ХИРУРГИЧЕСКИЙ ЩИПЦОВЫЙ ИНСТРУМЕНТ И СПОСОБ МОНТАЖА В НЕМ ОПОРНОЙ СТРУКТУРЫ

Группа изобретений относится к медицинской технике, а именно к хирургическому щипцовому инструменту, в частности к лапароскопическому инструменту, а также к способу его изготовления. Щипцовый инструмент для обработки биологических тканей содержит первую браншу, удерживаемую на основании и отходящую от него, и вторую браншу, установленную на основании с возможностью поворота вокруг поворотной оси. Для установки второй бранши с возможностью поворота предусмотрена опорная структура с двумя опорными элементами, которые расположены соосно друг другу и совместно образуют разделенную опорную цапфу. Опорная структура выполнена на выполненном из пластика опорном вкладыше, который соединен с основанием. Способ монтажа опорной структуры в щипцовом инструменте по одному из предшествующих пунктов, характеризующийся тем, что берут опорную структуру, представляющую собой развернутую деталь, в которой обе опорные части и соединяющая их перемычка расположены в общей плоскости, перемещают опорные части в ...

Medizinische Vorrichtung

Eine medizinischen Vorrichtung (1) gemäß der Erfindung weist auf: eine Nadel (3) mit einem inneren Hohlraum (3a), welcher die Nadel von einem distalen Ende zu einem Basisende in Längsrichtung durchsetzt; einen Zuführabschnitt (4) für medizinisches Fluid, welcher mit dem Basisende der Nadel (3) verbunden ist und in den inneren Hohlraum (3a) ein medizinisches Fluid (A) einspeist, welches bei Erwärmung oder Abkühlung aushärtet; ein Temperaturänderungselement (5), welches am distalen Ende der Nadel (3) oder in der Nähe ihres distalen Endes angeordnet ist und welches durch Zufuhr von Energie erwärmt oder gekühlt werden kann; und eine Temperatureinstelleinrichtung (6), welche das Temperaturänderungselement (5) durch Zufuhr der Energie zu dem Temperaturänderungselement (5) erwärmt oder abkühlt.

Electrothermal device for coagulating, sealing and cutting tissue during surgery

Rotary powered surgical instruments with multiple degrees of freedom

A surgical instrument may comprise a drive system that is configured to electrically generate a plurality of discrete rotary control motions. In at least one form, the surgical instrument may include an elongate shaft assembly that is operably couplable to the drive system for receiving a first rotary control motion therefrom for rotating the elongate shaft assembly about a shaft axis. The elongate shaft assembly may be further configured to receive and transmit a second rotary control motion from the drive system to a surgical end effector that is operably coupled to the elongate shaft assembly to cause the surgical end effector to rotate about the shaft axis relative to the elongate shaft assembly. The elongate shaft assembly may be further configured to receive and transmit a third rotary control motion from the drive system to an articulation joint that communicates with the elongate shaft assembly and the surgical end effector to articulate the surgical end effector about an articulation ...

BARREL SYSTEM FOR USE WITH AN ENDOSCOPE

The present embodiments provide apparatus and methods for facilitating cauterization of tissue. In one embodiment, the apparatus comprises a proximal barrel and a distal barrel, which are coupled together and moveable with respect to one another. At least a portion of the proximal barrel may be coupled to an endoscope to secure the apparatus to the endoscope. At least one electrocautery member is disposed within a lumen of the distal barrel and configured to cauterize at least a segment of tissue pulled into a lumen of the proximal barrel and/or the lumen of the distal barrel.

SYSTEM FOR REGULATING HEATING IN A TISSUE SEALING AND CUTTING DEVICE

A device for handling tissue; including: a main body; a pair of opposing arms connected to the main body, the opposing arms having working surfaces thereon; a heating element disposed on one of the working surfaces; and a resistive element wired in parallel with the heating element.

ELECTROTHERMAL DEVICE FOR SEALING AND JOINING OR CUTTING TISSUE

A device and method are provided for sealing and joining or cutting tissue, which is particularly suitable for laparoscopic and endoscopic surgery. The device makes use of the controlled application of a combination of heat and pressure to seal adjacent tissues, to join adjacent tissues, or to anastomose tissues, whereby tissue is heated for an optimal time and at an optimal temperature under optimal pressure to maximize tissue seal strength while minimizing collateral tissue damage. The device of the present invention is lightweight and therefore portable, and is particularly useful in field conditions where a source of external power may not be readily available.

SURGICAL INSTRUMENT SOFT STOP

A surgical instrument includes a drive member movable by a drive motor between a home position and an end of stroke. A mechanical stop is disposed at or near the end of stroke and is structured to increase resistance to movement of the drive member from a first position to a second position. A control system detects a current spike associated with the increased resistance and interrupts power to the drive motor.

SELECTIVE ACTIVATION OF ELECTRONIC COMPONENTS IN MEDICAL DEVICE

A surgical instrument comprises a body, a transmission assembly, and a switch. The body comprises a control unit and an integral power source. The power source is operable to selectively deliver power to the control unit. The transmission assembly extends distally from the body. The transmission assembly also includes an end effector driven by the control unit. The switch is in communication with the control unit and the power source. The transmission assembly is operable to actuate the switch to enable delivery of power from the power source to the control unit.

SURGICAL INSTRUMENT FOR JOINING TISSUE

A surgical instrument for surgically joining tissue is provided. The surgical instrument includes a handle assembly that includes an actuator member. An end effector is operatively disposed adjacent a distal portion of an elongated shaft of the surgical instrument. The end effector includes a first jaw member pivotably disposed with respect to a second jaw member. The end effector is movable between a first position where the jaw members are spaced from one another, and a second position where the jaw members are in an approximated position. Each of the first and second jaw members includes a respective longitudinal track. An actuation assembly is disposed in mechanical cooperation with the end effector, wherein actuation of the actuation member causes the actuation assembly to translate from a distal portion of the end effector towards a proximal portion of the end effector through the tracks in the first and second jaw members.

Treatment apparatus

Energy treatment system, energy control device, and energy treatment tool

SURGICAL TOOL POSITIONING BASED ON SENSED PARAMETERS

Surgical instrument for sterilizing women by ligature of tubes

HEAT INCISION FORCEPS AND HEAT INCISION FORCEPS SYSTEM

Provided is a heat incision forceps incising a biological tissue by applying heat energy to the biological tissue with a forceps member, which comprises a heating element disposed at the forceps member to carry out cautery incision of the biological tissue by coming into contact with the biological tissue and causing heat generation using electric energy; a pair of detective electrodes capable of coming into contact with the biological tissue at both sides of where the heating element is inserted when the heating element comes into contact with the biological tissue; and a control unit detecting the state of incision of the biological tissue with the pair of electrodes and controlling supply of the electric energy to the heating element based on the state of incision. The control unit is disposed at an outer side of the forceps member; and the heating element and the pair of detective electrodes are connected to the control unit.

Surgical forceps

A forceps includes a pair of shafts each having a jaw member disposed at a distal end thereof. One (or both) of the shafts is moveable relative to the other about a pivot pin between a spaced-apart position and an approximated position to move the jaw members between an open position and a closed position. A knife assembly includes a knife blade mechanically keyed to the pivot pin and moveable between an initial position, wherein the knife blade is disposed within one of the jaw members, and an extended position, wherein the knife blade extends between the jaw members. An actuator arm(s) is mechanically keyed to the pivot pin and extends therefrom. The actuator arm(s) is moveable between an un-actuated position and an actuated position to rotate the pivot pin relative to the jaw members to move the knife blade between the initial position and the extended position.

THERMAL SURGICAL TOOL

An electrical conductor, such as a wire or catheter, which is coated circumferentially with a ferromagnetic material in a selected region, is fed from a high frequency alternating current source. The ferromagnetic material has a quick response in heating and cooling to the controllable power delivery. The ferromagnetic material can be used for separating tissue, coagulation, tissue destruction or achieving other desired tissue effects in numerous surgical procedures.

VESSEL SEALER AND DIVIDER

An endoscopic bipolar forceps includes an elongated shaft having opposing jaw members at a distal end thereof. The jaw members are movable relative to one another from a first position wherein the jaw members are disposed in spaced relation relative to one another to a second position wherein the jaw members cooperate to grasp tissue therebetween. The forceps also includes a source of electrical energy connected to each jaw member such that the jaw members are capable of conducting energy through tissue held therebetween to effect a seal. A generally tube-like cutter is included which is slidably engaged about the elongated shaft and which is selectively movable about the elongated shaft to engage and cut tissue on at least one side of the jaw members while the tissue is engaged between jaw members.

ADJUSTABLE CLAMP SYSTEMS AND METHODS

Tissue treatment systems include an actuator handle assembly coupled with a clamp assembly having a first jaw mechanism and a second jaw mechanism. A first jaw mechanism includes a first flexible boot, a first flexible ablation member coupled with the first flexible boot, and a first rotatable jawbone disposed within the first flexible boot. A second jaw mechanism comprises a second flexible boot, a second flexible ablation member coupled with the second flexible boot, and a second rotatable jawbone disposed within the second flexible boot.

Vessel sealer and divider

An endoscopic bipolar forceps includes an elongated shaft having opposing jaw members at a distal end thereof. The jaw members are movable relative to one another from a first position wherein the jaw members are disposed in spaced relation relative to one another to a second position wherein the jaw members cooperate to grasp tissue therebetween. The forceps also includes a source of electrical energy connected to each jaw member such that the jaw members are capable of conducting energy through tissue held therebetween to effect a seal. A generally tube-like cutter is included which is slidably engaged about the elongated shaft and which is selectively movable about the elongated shaft to engage and cut tissue on at least one side of the jaw members while the tissue is engaged between jaw members.

Multi-mode surgical tool

Thermal, electrosurgical and mechanical modalities may be combined in a surgical tool. Potentially damaging effects in a first modality may be minimized by using a secondary modality. In one example, thermal hemostasis may thus help electrosurgical applications avoid the adverse tissue effects associated with hemostatic monopolar electrosurgical waveforms while retaining the benefits of using monopolar incising waveforms.

System for regulating heating in a tissue sealing and cutting device

A device for handling tissue; including: a main body; a pair of opposing arms connected to the main body, the opposing arms having working surfaces thereon; a heating element disposed on one of the working surfaces; and a resistive element wired in parallel with the heating element.

SYSTEMS AND METHODS OF COMMUNICATING THERMAL INFORMATION FOR SURGICAL ROBOTIC DEVICES

A medical system includes a thermal instrument, one or more processors, and memory. The medical system receives first information indicating a temperature of the thermal instrument, and receives second information indicating a distance between the thermal instrument and a secondary object. The medical system determines whether the temperature indicated by the first information satisfies a first criterion, and determines whether the distance indicated by the second information satisfies a second criterion. The medical system sends one or more signals for providing a feedback signal to a user.

COMBINED DISSECTING, CAUTERIZING, AND STAPLING DEVICE

ХИРУРГИЧЕСКИЙ ИНСТРУМЕНТ С МЯГКИМ УПОРОМ

Изобретение относится к медицине, а именно к хирургическим инструментам. Хирургический инструмент содержит электромеханический стопор, приводной двигатель; приводной элемент, выполненный с возможностью перемещения приводным двигателем по приводному ходу между исходным положением и концом хода. При этом конец хода проходит между первым положением и вторым положением. Механический стопор, расположенный на дистальном конце хода или вблизи от него, и выполненный с возможностью увеличения сопротивления перемещению приводного элемента по приводному ходу от первого положения до второго положения. И система управления, выполненная с возможностью обнаружения скачка тока, связанного с увеличившимся сопротивлением, причем подача питания на приводной двигатель прерывается при обнаружении системой управления скачка тока. При этом механический стопор дополнительно содержит: упор, выполненный с возможностью перемещения из первого положения во второе положение и с возможностью контакта с приводным элементом ...

МЕХАНИЗМЫ РЕГУЛИРОВКИ МОЩНОСТИ ДЛЯ ХИРУРГИЧЕСКИХ ИНСТРУМЕНТОВ И АККУМУЛЯТОРОВ

Использование: в батарейных блоках для обеспечения питания хирургических инструментов. Технический результат - обеспечение приемлемого для утилизации уровня напряжения в батарейном блоке. Батарейные блоки могут содержать множество аккумуляторных элементов и содержать перемещаемый разъем для разряда. При присоединении к хирургическому инструменту разъем для разряда может электрически соединять анод батарейного блока с катодом батарейного блока, например, при помощи резистивного элемента для разрядки батарейного блока. 3 н. и 17 з.п.ф-лы, 72 ил.

ТОРАКОСКОПИЧЕСКИЕ СПОСОБЫ ЛЕЧЕНИЯ ЗАБОЛЕВАНИЯ БРОНХОВ

ELEKTROTHERMISCHES GERÄT ZUM VERSCHWEISSEN UND ZUSAMMENFÜGEN ODER ZUM SCHNEIDEN VON GEWEBE

Abherent surgical instrument and method

Method and means are disclosed for preventing tissue from adhering to surgical apparatus (e.g. a heated surgical scalpel) while operating at tissue temperatures (usually 100-500 DEG C) at which haemostasis with minimal tissue damage occurs, and include interposing between the surgical apparatus 11 and the tissue 13 being heated thereby a non-adherent coating 12 which has specific parameters including thermal impedance, thickness and thermal drop thereacross. The coating 12 may be of fluorocarbon polymers, silicones, metallic fluorides or organic phosphates, or may be a sacrificial solid or liquid layer of waxes, greases, oils or other fluorinated polymers or silicones. ...

ELECTRICALTHERMAL EQUIPMENT FOR WELDING AND JOINING OR FOR CUTTING FABRIC

Suture cutter

Barrel system for use with an endoscope

Device for generating a cold atmospheric pressure plasma

The invention relates to a device for generating a cold atmospheric pressure plasma for treating human and/or animal surfaces, comprising a flat flexible multilayer system with a face which faces the surface to be treated and a face which faces away from the surface to be treated. The multilayer system comprises the following layers: namely a first electrode layer on the multilayer system face facing away from the surface to be treated, a second electrode layer on the multilayer system face facing the surface to be treated, said electrode layer having a plurality of recesses or being designed in a grid-like or meandering manner, a dielectricum layer which is arranged between the first electrode layer and the second electrode layer, and a spacer layer which is arranged adjacently to the second electrode layer on the multilayer system face facing the surface to be treated. The invention further relates to a cable, a generator unit for providing a high voltage, and a system.

Surgical instrument with a soft stop

A surgical instrument includes a drive member movable by a drive motor between a home position and an end of stroke. A mechanical stop is disposed at or near the end of stroke and is structured to increase resistance to movement of the drive member from a first position to a second position. A control system detects a current spike associated with the increased resistance and interrupts power to the drive motor.

Thoracoscopic methods for treatment of bronchial disease

Abstract A method and apparatus for treatment of pulmonary conditions, including a device having an end effector sized and 0 shaped to contact a nerve component on the exterior of a bronchial segment and apply energy to that nerve component.

Multiple processor motor control for modular surgical instruments

In various forms, the modular motor control system may comprise one or more motor controllers (6314a, 6314b) each having an associated motor (6318a, 6318b). The one or more motor controllers may be in communication with a master controller (6306). The master controller is configured to provide control signals to the motor controllers to control the associated motors. In some forms, the one or more motor controllers and the associated motors may be located within a surgical module. The surgical module may provide a communications interface between the master controller and the one or more motor controllers.

ABHERENT SURGICAL INSTRUMENT AND METHOD

ABHERENT SURGICAL INSTRUMENT AND METHOD Method and means are disclosed for preventing tissue from adhering to surgical apparatus while operating at tissue temperatures at which hemostasis with minimal tissue damage occurs, and include interposing between the surgical apparatus and the tissue being heated thereby an abherent coating which is specifically limited to parameters including thermal impedance, thickness and thermal drop thereacross.

COMBINED DISSECTING, CAUTERIZING, AND STAPLING DEVICE

A medical device (1) for simultaneously cutting tissue with a heating element (16), cauterizing the tissue with sealing elements (14, 15), and stapling the tissue together. The heating elements comprise bipolar RF electrodes.

SYSTEM AND METHOD FOR TISSUE SEALING

An electrosurgical system is disclosed. The system includes an electrosurgical forceps including first and second jaw members pivotally attached in opposing relation relative to one another, the jaw members relatively movable from a first, open position wherein the jaw members are disposed in spaced relation relative to one another to a second, clamping position wherein the jaw members cooperate to grasp tissue therebetween with a predetermined clamping force, each of the jaw members including an electrically conductive sealing surface. The system also includes an electrosurgical generator configured to operatively couple to the electrosurgical forceps and to supply electrosurgical energy to the electrically conductive sealing surfaces. The electrosurgical generator includes at least one input control configured to record a user-defined setting associated with the electrosurgical energy; at least one sensor configured to measure at least one tissue parameter or at least one electrosurgical ...

TISSUE FUSION SYSTEM AND METHOD OF PERFORMING A FUNCTIONAL VERIFICATION TEST

A jaw heating element of a handpiece of a thermal tissue operating system is tested on an ongoing basis by supplying a test heater power signal to the jaw heating element between individual thermal tissue operations. Voltage and current through the jaw heating element is sensed and the resistance of the jaw heating element is calculated. If the calculated resistance is outside a range of predetermined acceptable values, an error condition is indicated.

CONTROL METHODS FOR SURGICAL INSTRUMENTS WITH REMOVABLE IMPLEMENT PORTIONS

A surgical instrument (10) for acting on tissue. The surgical instrument comprises at least one processor (3706), at least one motor (530) in communication with the processor and at least one actuation device (840). The processor is programmed to receive from a removable implement portion (3554, 3556, 3558) a first variable (3801) describing the removable implement. The processor is also programmed to apply the first variable to an instrument control algorithm (3802). Further, the processor is programmed to receive an input control signal (3818) from the actuation device and control the at least one motor to operate the surgical instrument in conjunction with the removable implement in accordance with the instrument control algorithm considering the input control signal.

ELECTROMECHANICAL SURGICAL DEVICE WITH SIGNAL RELAY ARRANGEMENT

A surgical instrument (4010) configured to relay a low-power signal from an end effector (4002) to a remote device (4014) is disclosed. The surgical instrument may comprise a handle, a shaft extending distally from the handle, and an end effector attached to the distal end of the shaft. A sensor (4116) may be disposed in the end effector. The sensor may generate a signal (4006) indicative of a condition at the end effector. A transmitter (4124) may be located in the end effector. The transmitter may transmit the signal from the sensor at a first power level. The signal may be received by a relay station (4008) located proximally to the shaft. The relay station is configured to retransmit the signal (4012) at a second power level, wherein the second power level is higher than the first power level.

THUMBWHEEL SWITCH ARRANGEMENTS FOR SURGICAL INSTRUMENTS

A thumbwheel control assembly operably supported on the handle assembly of a motor powered surgical instrument. The thumbwheel control assembly communicates with a motor in the handle such that when an actuator portion of the thumbwheel control assembly is pivoted in a first direction, the motor applies a rotary motion to one of an elongate shaft assembly and an end effector coupled thereto in the first direction and when the actuator portion is pivoted in a second direction, the motor applies the rotary motion to one of the elongate shaft assembly and end effector in the second direction.

ROTARY POWERED ARTICULATION JOINTS FOR SURGICAL INSTRUMENTS

An articulation joint for a surgical instrument. In at least one form, the articulation joint includes a proximal joint portion that is coupled to an elongate shaft assembly of the surgical instrument. A distal joint portion is movably coupled to the proximal joint portion and is configured to interface with a surgical end effector. A first gear train operably interfaces with a proximal firing shaft segment within the elongate shaft assembly and a distal firing shaft segment that is configured to operably interface with the surgical end effector for transmitting a rotary firing motion thereto from the proximal firing shaft segment to the surgical end effector. A second gear train operably interfaces with a proximal rotation shaft portion of the elongate shaft assembly for transmitting a distal rotational control motion to the surgical end effector to cause the surgical end effector to rotate relative to the elongate shaft assembly while facilitating articulation of the distal joint portion ...

IMPROVED SURGICAL INSTRUMENT

An improved surgical apparatus for use in endoscopic surgery having a user interface operatively coupled to an articulating tool assembly via an elongate tubular member. Movement at the articulating tool directly translates movement at the user interface thereby providing intuitive operation of the surgical apparatus. The apparatus is configured such that the range of motion of the articulating tool assembly emulates the range of motion of the human wrist. The improved apparatus is configured to provide precise and controlled movements such as to not endanger the life of the subject and minimizes any errant or unexpected movements or locking experienced in other surgical instruments.

ELECTROTHERMAL DEVICE FOR SEALING AND JOINING OR CUTTING TISSUE

A device and method are provided for sealing and joining or cutting tissue, which is particularly suitable for laparoscopic and endoscopic surgery. The device makes use of the controlled application of a combination of heat and pressure to seal adjacent tissues, to join adjacent tissues, or to anastomose tissues, whereby tissue is heated for an optimal time and at an optimal temperature under optimal pressure to maximize tissue seal strength while minimizing collateral tissue damage. The device of the present invention is lightweight and therefore portable, and is particularly useful in field conditions where a source of external power may not be readily available.

DEVICE FOR GENERATING COLD PLASMA AT ATMOSPHERIC PRESSURE

Treatment system, and control method for treatment system

A treatment system (10) is equipped with: a high-frequency power source (73); a heat-generating power source (83); a pair of jaws (36a, 36b) having a pair of conductors (52a, 52b) and a heater member (53); and a control unit (94) which controls the temperature of the heat-generating power source (83) to be at a fixed temperature on the basis of the temperature of the heater member (53) and uses a heat-generating power parameter based on the initial changes of the heat-generating power characterized by increasing after the application of thermal energy begins and by reducing after reaching a maximum value in order to acquire a power reduction pattern for predicting the changes in the heat-generating power thereafter, and which controls the pattern of the heat-generating power source on the basis of the power reduction pattern after acquiring same.

Sensor straightened end effector during removal through trocar

System and method for force or torque limit correction

SEALING AND/OR CUTTING INSTRUMENT

A sealing and/or cutting instrument having a thermally active surface or element which may be used to seal and then cut tissue, ducts, vessels, etc., apart. The instrument may include a thermally active surface or element comprised of a conductor covered with a ferromagnetic material. The instrument may contact tissue with one or more surfaces comprised of a non-stick material. A sensor in communication with the instrument may be used to monitor a therapeutic procedure and signal when sealing and/or cutting of a tissue is complete.

MEDICAL DEVICES FOR MINIMALLY INVASIVE SURGERIES AND OTHER INTERNAL PROCEDURES

Minimally invasive surgical devices and related tools are provided. The devices (6a, 6b)include image acquisition devices and forceps (270) , scissors (254), clamps (280), ultrasound probes, lasers, cautery devices, staplers, knives, suturing devices, rivet drivers, ligation devices, aspiration devices, injection devices, biopsy devices, radiotherapy devices; and radioactive emitter loading devices.. Other devices useful for internal procedures in a patient's body or for facilitating such procedures are also provided.

THERMAL CAUTERY DEVICES WITH IMPROVED HEATING PROFILES AND METHOD OF TESTING THERMAL CAUTERY DEVICES

Thermal cautery and thermal ligating devices (1)improved by the addition of a thermally conductive plate proximate the resistive heating element (11) used in those devices.

Single action tissue sealer

An endoscopic bipolar forceps includes a housing and a shaft, the shaft having an end effector assembly at its distal end. The end effector assembly includes two jaw members for grasping tissue therebetween. The jaw members are adapted to connect to an electrosurgical energy source which enable them to conduct energy through the tissue to create a tissue seal. A drive assembly is disposed within the housing which moves the jaw members. A switch is disposed within the housing which activates the electrosurgical energy. A knife assembly is included which is advanceable to cut tissue held between the jaw members. A movable handle is connected to the housing. Continual actuation of the movable handle engages the drive assembly to move the jaw members, engages the switch to activate the electrosurgical energy source to seal the tissue, and advances the knife assembly the cut the tissue disposed between the jaw members.

Tissue fusion system and method of performing a functional verification test

A jaw heating element of a handpiece of a thermal tissue operating system is tested on an ongoing basis by supplying a test heater power signal to the jaw heating element between individual thermal tissue operations. Voltage and current through the jaw heating element is sensed and the resistance of the jaw heating element is calculated. If the calculated resistance is outside a range of predetermined acceptable values, an error condition is indicated.

SURGICAL INSTRUMENT AND METHOD

An actuator for use in a surgical instrument, the actuator includes an upper portion configured to be actuated by one or more fingers, wherein the upper portion has an upper distal portion for operating the surgical instrument in a first mode of operation, and an upper proximal portion for operating the surgical instrument in a second mode of operation, and wherein the upper distal portion and the upper proximal portion have different respective tactile configurations for informing the user of the first and second modes of operation, respectively.

Medical treatment apparatus and method of controlling the same

A medical treatment apparatus includes a heat transfer portion, a heating chip, a temperature measurement unit and a control unit. The heat transfer portion comes into contact with a living tissue and transfers heat to the living tissue. The heating chip includes a heating region, is joined to the heat transfer portion, and heats the heat transfer portion by inputting energy to the heating region. The temperature measurement unit acquires a temperature of the heating region. The control unit controls a temperature of the heat transfer portion to a target temperature by controlling the temperature of the heating region to a temperature differing from the target temperature by an offset value which changes in accordance with an amount of the energy.

ROTARY POWERED SURGICAL INSTRUMENTS WITH MULTIPLE DEGREES OF FREEDOM

A surgical instrument may comprise a drive system that is configured to electrically generate a plurality of discrete rotary control motions. In at least one form, the surgical instrument may include an elongate shaft assembly that is operably couplable to the drive system for receiving a first rotary control motion therefrom for rotating the elongate shaft assembly about a shaft axis. The elongate shaft assembly may be further configured to receive and transmit a second rotary control motion from the drive system to a surgical end effector that is operably coupled to the elongate shaft assembly to cause the surgical end effector to rotate about the shaft axis relative to the elongate shaft assembly. The elongate shaft assembly may be further configured to receive and transmit a third rotary control motion from the drive system to an articulation joint that communicates with the elongate shaft assembly and the surgical end effector to articulate the surgical end effector about an articulation ...

Surgical instrument cartridge sensor assemblies

Various cartridge assemblies for surgical instruments are provided. Cartridge assemblies can include active sensors for applying stimuli to a tissue clamped by an end effector of the surgical instrument and a circuit configured to determine a tissue type of the tissue according to a change in the tissue parameter detected by the sensor resulting from a stimulus from the active element. Cartridge assemblies can also include physical features and/or stored data that identify the cartridge. Surgical instruments further can be configured to resolve conflicts when the physical features and/or stored data are not consistent with each other in their identification of the cartridge type.

TREATMENT DEVICE AND TREATMENT TOOL

A medical treatment apparatus (10) to join target living tissues in a body, includes an energy source (14) which applies energy to the target living tissues, a first treating portion (62) which joins the target living tissues together when energy is applied thereto from the energy source, the first treating portion including at least a pair of holding members (72, 74) having holding surfaces (82, 84) to hold the target living tissues, and an energy output unit (82b, 84b) which is provided on the holding surfaces of the holding members and which join the target living tissues together when energy is applied thereto from the energy source, a second treating portion (64) which is interposed between the target living tissues and which removes surface portions of tissues in the joint surfaces of the target living tissues, an operation portion (42) having a function of operating the holding members so that at least one of the holding members moves relative to the other, and a controller (24) ...

IMPEDANCE MATCHING CIRCUIT

Surgical stapling apparatus with clamping assembly

A loading unit for use with a surgical stapling apparatus, the loading unit comprising: a proximal body portion configured for engagement with a portion of the surgical stapling apparatus; and an end effector disposed adjacent to a distal portion of the proximal body portion, the end effector including: an anvil assembly; a cartridge assembly, at least one of the cartridge assembly and the anvil assembly being movable with respect to the other between an open position wherein the cartridge assembly is substantially spaced from the anvil assembly and a closed position where the cartridge assembly and the anvil assembly are closer together; characterised by an inflatable clamping assembly configured for deployment from each of the anvil assembly and the cartridge assembly, wherein the inflatable clamping assembly is in fluid communication with the proximal body portion to receive a fluid.

Method for coating a substrate with a diamond like nanocomposite composition

The invention relates to a process for coating in a vacuum chamber a substrate at least in part with a diamond-like nanocomposite composition, comprising the steps of a) plasma etching of the substrate by bombardment of the substrate by ions of an inert gas such as Ar, b) introducing in the vacuum chamber, at a working pressure of between 5.10-3 and 5.10-2 mbar, a liquid organic precursor containing the elements C, H, Si, O to be deposited in suitable proportions, which proportions remain substantially constant during the deposition process, c) forming a plasma from the introduced precursor by an electron assisted DC-discharge using a filament with a filament current of 50-150 A, a negative filament bias DC voltage of 50-300 V and with a plasma current between 0.1 and 20 A, d) depositing the composition on the substrate, to which a negative DC-bias or negative RF self-bias voltage of 200 to 1200 V is applied, in order to attract ions formed in the plasma; the frequency of the RF voltage ...

Joystick switch assemblies for surgical instruments

ХИРУРГИЧЕСКИЕ ЩИПЦЫ

ХИРУРГИЧЕСКИЙ ИНСТРУМЕНТ С МЯГКИМ УПОРОМ

KROKODILMAUL-ZANGE ZUM KOAGULIEREN UND BLUTLOSEN DURCHTRENNEN VON GEWEBE

Vorrichtung zum schnellen, zuverlässigen elektrothermischen Verschmelzen und gleichzeitigen Schneiden von Gewebe

Vorrichtung zum Miteinanderverschmelzen von Gewebe an einer Berührungsstelle und zum gleichzeitigen Schneiden des verschmolzenen Gewebes längs eines linearen Weges durch die Berührungsstelle, mit: einem Instrument, das Backen mit Arbeitsflächen und einen Bewegungsmechanismus aufweist zum Bewegen der Backen aufeinanderzu, um die Gewebestücke an der Berührungsstelle zwischen den Arbeitsflächen der Backen zusammenzudrücken, wobei die Arbeitsflächen aus keramischem Material gebildet sind und eine Glätte haben, die durch einen Wert von Ra von 0,40 μm oder weniger definiert ist, wobei der Bewegungsmechanismus die Fähigkeit hat, ausreichend Kraft zum Zusammendrücken der Gewebestücke an der Berührungsstelle auf eine Dicke des zusammengedrückten Gewebes zu übertragen, die ausreicht, um die Gewebestücke an der Berührungsstelle miteinander zu verschmelzen, gefolgt von weiterem Zusammendrücken der Gewebestücke an der Berührungsstelle auf eine Dicke von null zum Schneiden der miteinander verschmolzenen ...

Apparatus and method for rapid reliable electrothermal tissue fusion and simultaneous cutting

PROCEDURE FOR THE PRODUCTION OF NICHTHAFTENDEM DIAMOND-WELL-BEHAVED NANOKOMPOSIT

DEVICE FOR THE ADJUSTMENT OF FABRIC WELDING CHEEKS

Surgical stapling apparatus with clamping assembly

Systems and methods for percutaneous intravascular access for arteriovenous fistula

A device for extending, elongating, or repairing a previously created arteriovenous fistula between a first blood vessel and an adjacent second blood vessel includes a main body having a primary lumen and an articulating jaw member disposed at the distal end of the main body. The jaw member is configured with two elements to allow rotation of one element about a pivot point to grasp tissue while being rotated. The jaw member is also configured to allow thermal energy delivery to one or both elements of the jaw member that allow tissue welding and cutting with DC, RF, Laser or Ultrasonic energy. A second lumen located within one element of the jaw member is configured to allow advancement over a guidewire into the second vessel while the other element of the jaw member remains within the first blood vessel at the position where the arteriovenous fistula, or aperture, exists between the first and second blood vessel.

Device for generating a cold atmospheric pressure plasma

The invention relates to a device for generating a cold atmospheric pressure plasma for treating human and/or animal surfaces, comprising a flat flexible multilayer system with a face which faces the surface to be treated and a face which faces away from the surface to be treated. The multilayer system comprises the following layers: namely a first electrode layer on the multilayer system face facing away from the surface to be treated, a second electrode layer on the multilayer system face facing the surface to be treated, said electrode layer having a plurality of recesses or being designed in a grid-like or meandering manner, a dielectricum layer which is arranged between the first electrode layer and the second electrode layer, and a spacer layer which is arranged adjacently to the second electrode layer on the multilayer system face facing the surface to be treated. The invention further relates to a cable, a generator unit for providing a high voltage, and a system.

IN-LINE VESSEL SEALER AND DIVIDER

An endoscopic forceps includes a housing having a shaft attached thereto, the shaft including a pair of jaw members disposed at a distal end thereof. The forceps also includes a drive assembly disposed in the housing which moves the jaw members relative to one another from a first position wherein the jaw members are disposed in spaced relation relative to one another to a second position wherein the jaw members are closer to one another for manipulating tissue. A pair of handles is operatively connected to the drive assembly and the handles are movable relative to the housing to actuate the drive assembly to move the jaw members. Each of the jaw members is adapted to connect to a source of electrical energy such that the jaw members are capable of conducting energy for treating tissue. The forceps also includes a first switch disposed on the housing which is activatable to selectively deliver energy of a first electrical potential to at least one jaw member for treating tissue in a monopolar ...

ABHERENT SURGICAL INSTRUMENT AND METHOD

DEVICE FOR GENERATING A COLD ATMOSPHERIC PRESSURE PLASMA

The invention relates to a device for generating a cold atmospheric pressure plasma for treating human and/or animal surfaces, comprising a flat flexible multilayer system with a face which faces the surface to be treated and a face which faces away from the surface to be treated. The multilayer system comprises the following layers: namely a first electrode layer on the multilayer system face facing away from the surface to be treated, a second electrode layer on the multilayer system face facing the surface to be treated, said electrode layer having a plurality of recesses or being designed in a grid-like or meandering manner, a dielectricum layer which is arranged between the first electrode layer and the second electrode layer, and a spacer layer which is arranged adjacently to the second electrode layer on the multilayer system face facing the surface to be treated. The invention further relates to a cable, a generator unit for providing a high voltage, and a system.

CONTROL METHODS FOR SURGICAL INSTRUMENTS WITH REMOVABLE IMPLEMENT PORTIONS

A surgical instrument (10) for acting on tissue. The surgical instrument comprises at least one processor (3706), at least one motor (530) in communication with the processor and at least one actuation device (840). The processor is programmed to receive from a removable implement portion (3554, 3556, 3558) a first variable (3801) describing the removable implement. The processor is also programmed to apply the first variable to an instrument control algorithm (3802). Further, the processor is programmed to receive an input control signal (3818) from the actuation device and control the at least one motor to operate the surgical instrument in conjunction with the removable implement in accordance with the instrument control algorithm considering the input control signal.

INDUCTIVELY HEATED SURGICAL TOOL

Oscillating electrical energy is delivered to an electrical conductor, such as a wire or catheter, which is coated circumferentially with a ferromagnetic material in a selected region. With high frequency electrical energy, the ferromagnetic material has a quick response in heating and cooling adjustable by the controllable power delivery. The ferromagnetic material can be used for separating tissue, coagulation, tissue destruction or achieving other desired tissue effects in numerous surgical procedures. Thermal, electrosurgical and mechanical modalities may be combined in a surgical tool. Potentially damaging effects in a first modality may be minimized by using a secondary modality. In one example, thermal hemostasis may thus help electrosurgical applications avoid the adverse tissue effects associated with hemostatic monopolar electrosurgical waveforms while retaining the benefits of using monopolar incising waveforms.

POWER CONTROL ARRANGEMENTS FOR SURGICAL INSTRUMENTS AND BATTERIES

Various embodiments are directed to battery unit for use with surgical instruments. The battery units may comprise a plurality of cells and include a translatable discharge drain. When attached to the surgical instrument, the discharge drain may electrically connect an anode of the battery unit to a cathode of the battery unit, for example, via a resistive element in order to drain the battery unit.

COMBINED DISSECTING, CAUTERIZING, AND STAPLING DEVICE

A medical device (1) for simultaneously cutting tissue with a heating element (16), cauterizing the tissue with sealing elements (14, 15), and stapling the tissue together. The heating elements comprise bipolar RF electrodes.

METHOD FOR MAKING A NON-STICKING DIAMOND-LIKE NANOCOMPOSITE

The invention relates to an improved non-sticking diamond-like nanocomposite composition comprising networks of a-C:H and a-Si:O wherein the Hconcentration is between 85 % and 125 % of the C-concentration. The composition comprises preferably 25 to 35 at% of C, 30 to 40 at% of H, 25 to 30 at% of Si and 10 to 15 at% of O. The invention relates also to a process for coating a substrate in a vacuum chamber with such a composition and to its use e.g. to cover surfaces of moulding means.

Medical treatment device

SURGICAL INSTRUMENTS FOR COAGULATION PURPOSES

INSTRUMENT CHIRURGICAL ANTIADHERENT ET PROCEDE POUR EMPECHER L'ADHERENCE AUX TISSUS D'UN INSTRUMENT CHIRURGICAL CHAUFFANT

PROCEDE POUR EMPECHER L'ADHERENCE DES TISSUS A UN INSTRUMENT CHIRURGICAL TOUT EN UTILISANT CET INSTRUMENT A DES TEMPERATURES DES TISSUS AUXQUELLES L'HEMOSTASIE SE PRODUIT AVEC UNE ALTERATION MINIMALE DES TISSUS. L'APPAREIL CHIRURGICAL CHAUFFANT 12 EST MUNI D'UN REVETEMENT ANTIADHERENT 12 DONT L'IMPEDANCE THERMIQUE N'EST PAS SUPERIEURE A 5C.CM, SON EPAISSEUR 7, EN CENTIMETRES, ETANT DONNEE ...

DEVICE FOR PROHIBITION AND FABRIC CUT

TREATMENT TOOL

A treatment tool which comprises: a pair of openable/closable holding portions which hold bodily tissue with an opposing pair of holding faces; an energy output portion which is provided on at least one of the pair of holding portions and which comprises, as at least one of the pair of holding faces, an energy applying face which applies high frequency energy to the bodily tissue and then applies resistance heating energy to the bodily tissue; and a gap maintaining portion which protrudes from at least one of the pair of holding faces and maintains the distance between the opposing pair of holding faces at a constant distance of 0.7 mm or less when the pair of holding portions is closed.

APPARATUS AND METHOD FOR RAPID RELIABLE ELECTROTHERMAL TISSUE FUSION

Pieces of tissue are fused together by compressing the pieces together at an interface, delivering an impulse of electrical power which is converted into sufficient thermal energy to fuse the pieces together at the interface. The impulse and the fusion occur within a preferable time of 0.5-2.0 seconds but no greater than 4.0 seconds. The temperature of the thermal energy is regulated between 1500C- 2000C. The tissue pieces are compressed to a thickness of 0.05-0.10 mm. Jaws which compress the tissue and transfer the energy have smooth working surfaces with an Ra of 0.15 or less microns to 0.40 microns.

SYSTEM FOR REGULATING HEATING IN A TISSUE SEALING AND CUTTING DEVICE

A device for handling tissue; including: a main body; a pair of opposing arms connected to the main body, the opposing arms having working surfaces thereon; a heating element disposed on one of the working surfaces; and a resistive element wired in parallel with the heating element.

Heating treatment system

A heating treatment system consists mainly of coagulating/incising forceps in which a plurality of heating elements are incorporated, and a main unit that feeds power to the heating elements incorporated in the coagulating/incising forceps and that drives and controls the heating elements. The main unit can be connected to coagulating/incising forceps in which up to four heating elements are incorporated. The main unit includes element temperature measurement/output control units and temperature setting units which are associated with four channels allocated to the heating elements. A control unit controls the element temperature measurement/output control units and temperature setting units. The control unit judges the type of connected forceps by referencing data stored in advance in a memory using information of the type of forceps received from the coagulating/incising forceps, and controls power feed to the heating elements.

ELECTRICALLY-HEATED INSTRUMENT.

Medical device with adjustable inner shaft movement

A medical device may include a tube having a first end and a second end, in which the first end can engage an instrument tip, an inner shaft disposed in the tube, a shaft end connected to the inner shaft and which can move lengthwise relative to the tube, a first abutment surface to abut a first shaft end stop of the shaft end, and a second abutment surface to abut a second shaft end stop of the shaft end generally opposite the first shaft end stop of the shaft end, in which the shaft end can slidably move along a length constrained by the abutment of the first shaft end stop against the first abutment surface and the second shaft end stop against the second abutment surface, and in which either one or both of the first abutment surface or the second abutment surface is positionally adjustable relative to the tube.

Unitary endoscopic vessel harvesting devices

Unitary endoscopic vessel harvesting devices are disclosed. In some embodiments, such devices may comprise an elongated body having a proximal end and a distal end. A conical tip may be disposed at the distal end of the elongated body. In addition, the surgical instrument may include one or more surgical instruments moveable in a longitudinal direction along an axis substantially parallel to a central longitudinal axis of the cannula from a retracted position proximally of a distal end of the tip to an advanced position toward the distal end of the tip to seal and cut a blood vessel.

Heating treatment system

A heating treatment system consists mainly of coagulating/incising forceps in which a plurality of heating elements are incorporated, and a main unit that feeds power to the heating elements incorporated in the coagulating/incising forceps and that drives and controls the heating elements. The main unit can be connected to coagulating/incising forceps in which up to four heating elements are incorporated. The main unit includes element temperature measurement/output control units and temperature setting units which are associated with four channels allocated to the heating elements. A control unit controls the element temperature measurement/output control units and temperature setting units. The control unit judges the type of connected forceps by referencing data stored in advance in a memory using information of the type of forceps received from the coagulating/incising forceps, and controls power feed to the heating elements.

Tissue Fusion System and Method for Performing a Self Test

An energy source of a thermal tissue operating system performs self-tests using simulation heating elements and jaw heating elements in tissue-grasping jaws of a handpiece. Power is supplied to the simulation heating elements and verified, without necessitating connection of a handpiece. Power is also delivered and verified to each of the two jaw heating elements when the handpiece is connected. Voltage and current are measured by peak hold detectors, and the peak hold detectors are tested to verify correct operation. All tests may be combined in a power on self-test (POST).

Manipulator

A manipulator includes: an elongated body portion that can be inserted into a body; and an energy treatment mechanism provided at a distal end of the body portion. The energy treatment mechanism is provided with gripping pieces that can grip body tissue and an energy applying part configured to apply energy to the body tissue gripped by the gripping pieces. The body portion is provided with an energy transfer part configured to transfer energy to the energy applying part and a force amplifying mechanism configured to amplify gripping force of the gripping pieces.

Laparoscopic medical device with de-mateable tip

A laparoscopic instrument assembly with a handle member and a removable tip. The handle member and removable tip are mated using a double threaded design which provides a secure connection with low electrical resistance. Electrical energy is provided through an inner shaft to the removable tip, and a return energy path is formed using an outer tubing of the instrument assembly. The removal tip includes a cutting and sealing device with a resistive member that is provided with the electrical energy, thereby enabling the tip to cut and seal tissue.

Medical treatment apparatus and control method of medical treatment device

A medical treatment device to treat body tissues for conjugation, includes at least a pair of holding members configured to hold the body tissues, an energy output portion provided in at least one of the holding members and connected to an energy source to form a joined portion by supplying energy to the body tissues held by the pair of holding members and joining the body tissues, and a conjugation coating portion to a region from a neighborhood of a joined portion to coat joined surfaces with a substance capable of preventing fluid from invading during or after the body tissues being joined by adding the energy to the body tissues.

Surgical cutting and fastening device with descendible second trigger arrangement

A nested trigger assembly for a surgical instrument may generally comprise a first trigger and a second trigger, wherein the first trigger and the second trigger are movable together on a first stroke of the nested trigger assembly, wherein the second trigger is configured to be biased away from the first trigger after the first stroke and before a second stroke, and wherein the second trigger is configured to be moved toward to the first trigger during the second stroke. A surgical instrument may generally comprise a shaft comprising a proximal end and a distal end, a handle extending from the proximal end, wherein the handle comprises a gripping portion, and a nested trigger assembly extending from the handle. The nested trigger assemble may comprise one of a separable trigger assembly and a divisible trigger assembly.

LAPARSCOPIC TISSUE MORCELLATOR SYSTEMS AND METHODS

A surgical tissue cutting and extraction device includes a sleeve having a tissue extraction lumen. One or more jaw members are coupled to the sleeve and configured to pivot or flex relative to the sleeve to capture tissue. The captured tissue may then be resected using radio frequency or other cutting tools on the sleeve. 1. A surgical tissue cutting and extraction device , comprising:an axially-extending sleeve having a tissue extraction lumen;an electrode edge disposed at a distal end of the sleeve; andone or more jaw members coupled to the sleeve, the jaw members configured to pivot or flex exteriorly of the extraction lumen toward and away from one another to capture tissue therebetween.2. The surgical device of wherein at least one jaw and sleeve are axially moveable relative to one another.3. The surgical device of wherein the electrode edge is coupled to an RF source and a controller for generating a tissue-cutting plasma at the electrode edge.4. The surgical device of wherein the electrode edge comprises a first polarity electrode and at least one jaw comprises a second polarity electrode.5. The surgical device of wherein the sleeve is axially moveable relative to the jaw member.6. The surgical device of wherein the sleeve is rotationally moveable relative to the jaw member.7. The surgical device of wherein the sleeve is actuatable axially and/or rotationally by a manual actuator.8. The surgical device of further comprising a motor drive to axially and/or rotationally actuate the sleeve.9. The surgical device of wherein the jaws are moveable toward or away from one another by a manual actuator.10. The surgical device of further comprising a motor drive to move the jaws are moveable toward or away from one another by a motor drive.11. The surgical device of wherein the jaws and sleeve are actuatable by a motor drive in a selected sequence.12. The surgical device of further comprising an RF on-off limit switch which terminates RF delivery based on the axial ...

SURGICAL CLAMP HAVING TREATMENT ELEMENTS

A medical device is provided having a means for actuating a pair of opposing jaw members. The jaw members are movable relative to one another from a first position, wherein the jaw members are disposed in a spaced apart relation relative to one another, to a second position, wherein the jaw members cooperate to grasp tissue therebetween. An ablation tool is connected to at least one of the jaws members, such that the jaw members are capable of conducting ablation energy through the tissue grasped therebetween. 1. A medical device comprising an elongate shaft , a cooling element , and a second element movable with respect to the cooling element to define a clamp , wherein the movable element is selectively detachable from the shaft.2. The medical device of claim 1 , wherein at least a portion of each of the elongate shaft claim 1 , cooling element claim 1 , and second element are thermally insulated.3. The medical device of claim 1 , wherein the elongate shaft defines a coolant flow path.4. The medical device of claim 3 , wherein at least one of the cooling element and second element defines a coolant flow path that is in fluid communication with the coolant flow path defined by the elongate shaft.5. The medical device of claim 4 , wherein both the cooling element and second element each define a coolant flow path.6. The medical device of claim 1 , wherein at least one of the cooling element and the second element includes a temperature measurement device.7. The medical device of claim 6 , wherein at least one of the cooling element and the second element includes an impedance measurement device.8. The medical device of claim 1 , wherein the second element includes a temperature sensor.9. The medical device of claim 1 , wherein the device is operable to clamp an area of target tissue when the second element is attached to the shaft claim 1 , and the device is operable to ablate the target tissue area when the second element is either attached to the shaft or detached ...

MULTI-FUNCTIONAL MEDICAL DEVICE AND RELATED METHODS OF USE

A medical device including an elongate member having a proximal end, a distal end, and a lumen extending therebetween. The medical device may further include an end-effector disposed at the distal end of the elongate member. The end-effector may include a plurality of arms pivotally connected to one another, wherein each arm includes a tissue-contacting surface, a first portion of the tissue-contacting surface including a plurality of ridges configured to grasp tissue. Further, the tissue-contacting surface may include a channel oriented substantially parallel to a longitudinal axis of the medical device. 1. A medical device comprising:an elongate member having a proximal end, a distal end, and a lumen extending therebetween; andan end-effector disposed at the distal end of the elongate member, the end-effector including a plurality of arms pivotally connected to one another, wherein each arm includes a tissue-contacting surface, a first portion of the tissue-contacting surface including a plurality of ridges configured to grasp tissue,wherein the tissue-contacting surface includes a channel oriented substantially parallel to a longitudinal axis of the medical device.2. The device of claim 1 , wherein only one of the plurality of arms is configured to move.3. The device of claim 1 , wherein the entire tissue-contacting surface includes ridges.4. The device of claim 1 , wherein a second portion of the tissue-contacting-surface includes a mating surface having one or more teeth or ridges.5. The device of claim 1 , wherein the channel extends in a direction that is substantially parallel to a longitudinal axis of the elongate member.6. The device of claim 1 , further comprising a cutting element configured to be advanced through the channel.7. The device of claim 6 , wherein the cutting element includes a cautery device.8. The device of claim 1 , further comprising a locking device for selectively fixing a position of at least one of the plurality of arms.9. The device ...

Inductively heated multi-mode surgical tool

Thermal, Electrosurgical and Mechanical modalities may be combined in a surgical tool. Potentially damaging effects in a first modality may be minimized by using a secondary modality. In one example, thermal hemostasis may thus help electrosurgical applications avoid the adverse tissue effects associated with hemostatic monopolar electrosurgical waveforms while retaining the benefits of using incising waveforms.

Medical instrument and method of use

A medical for removing tissue from a patient includes an elongated probe with a working end. A pair of jaws is provided at the working end. The jaws may be closed for cutting and treatment of the tissue. Cutting may be effective through a sharpened cutting blade, and RF cutting blade, and similar cutting edges. The tissue may be remodeled using heat generated from passive heating elements on the jaws, active heating elements on the jaws, a PTCR heating element carried by the jaws, or resistive heaters on the jaws.

Treatment system and actuation method of treatment system

A treatment system includes a power source for heat generation which outputs power for heat generation, a grasping member having a heating element which applies the power for heat generation as thermal energy to a grasped living tissue and is disposed at a grasping surface, and a control section which repeats a first control mode of performing control such that the heating element reaches a first temperature and a second control mode of performing control such that the heating element becomes lower than the first temperature, and controls the power source for heat generation according to a temperature change parameter based on change in temperature of the heating element in the first control mode or the second control mode so as to end application of the thermal energy.

BLADE LOCKOUT MECHANISM FOR SURGICAL FORCEPS

A forceps includes first and second shaft members and a trigger assembly. The first and second shaft members each have a jaw member disposed at a distal end thereof. One or both of the jaw members are moveable to position the jaw members between an open position and a closed position. One of the jaw members is configured for reciprocation of a blade therethrough. The trigger assembly is movable between unactuated and actuated positions to selectively translate the blade between a retracted position and one or more extended positions. The blade extends at least partially through one or both of the jaw members in the one or more extended positions such that when the blade is disposed in the one or more extended positions, the trigger assembly is configured to move to the unactuated position upon movement of the jaw members from the closed position to the open position. 1. A forceps , comprising:first and second shaft members each having a jaw member disposed at a distal end thereof, at least one of the jaw members moveable to position the jaw members between an open position and a closed position for grasping tissue between the jaw members, at least one of the jaw members configured for reciprocation of a blade therethrough; anda trigger assembly movable between an unactuated position and an actuated position to selectively translate the blade between a retracted position and at least one extended position, the blade extending at least partially through at least one of the jaw members in the at least one extended position such that when the blade is disposed in the at least one extended position, the trigger assembly is configured to move to the unactuated position upon movement of the jaw members from the closed position to the open position.2. The forceps according to claim 1 , wherein the trigger assembly includes a trigger and at least one linkage claim 1 , the at least one linkage coupled at a first end to the trigger and coupled at a second end to the blade.3. ...

SURGICAL STAPLING APPARATUS WITH CLAMPING ASSEMBLY

A surgical stapling apparatus includes a handle assembly and an elongate portion extending distally from the handle assembly. An end effector disposed adjacent a distal portion of the elongate portion includes an anvil assembly and a cartridge assembly, wherein at least one of the cartridge assembly and the anvil assembly is movable with respect to the other to move the end effector between an open configuration where the cartridge assembly and the anvil assembly are substantially spaced and a closed configuration where the cartridge assembly and the anvil assembly are closer together. The end effector also includes a clamping assembly including a first clamping surface deployable to extend laterally from the anvil assembly, and a second clamping surface deployable to extend laterally from the cartridge assembly such that, when deployed, the first and second clamping surfaces oppose one another when the cartridge assembly is in the closed position. 111-. (canceled)12. A method of grasping tissue , the method comprising: a handle assembly;', 'a tubular elongate portion extending distally from the handle assembly and including a fluid conduit extending at least partially therethrough; and', a first jaw member including a first opposed surface;', 'a second jaw member including a second opposed surface; and', 'a fluid reservoir in fluid communication with the fluid conduit;, 'an end effector disposed adjacent a distal end of the tubular elongate portion, the end effector including], 'providing a surgical apparatus includinginflating the fluid reservoir to increase an effective clamping surface area over which the first and second jaw members oppose one another; andmoving the second jaw member relative to the first jaw member between an open position and an approximated position.13. The method of claim 12 , wherein the first jaw member includes an anvil assembly including a fastener forming surface thereon claim 12 , wherein the second jaw member includes a cartridge ...

SYSTEMS AND METHODS FOR PERCUTANEOUS INTRAVASCULAR ACCESS FOR ARTERIOVENOUS FISTULA

A device for extending, elongating, or repairing a previously created arteriovenous fistula between a first blood vessel and an adjacent second blood vessel includes a main body having a primary lumen and an articulating jaw member disposed at the distal end of the main body. The jaw member is configured with two elements to allow rotation of one element about a pivot point to grasp tissue while being rotated. The jaw member is also configured to allow thermal energy delivery to one or both elements of the jaw member that allow tissue welding and cutting with DC, RF, Laser or Ultrasonic energy. A second lumen located within one element of the jaw member is configured to allow advancement over a guidewire into the second vessel while the other element of the jaw member remains within the first blood vessel at the position where the arteriovenous fistula, or aperture, exists between the first and second blood vessel. 1. A device for elongating , extending , or repairing a tissue aperture , comprising:a handle;a body connected to and extending distally from the handle, comprised of a flexible material and having a primary lumen;a rigid jaw member connected to and extending distally from the flexible body; anda tissue cutting element disposed on the jaw member.2. The device as recited in claim 1 , wherein the flexible material comprising the body is a polymer.3. The device as recited in claim 2 , wherein the polymer comprising the body has a Shore A hardness of 70-90.4. The device as recited in claim 1 , wherein the rigid jaw member is fabricated of a rigid material comprising either a metal or a rigid polymer having a Shore A hardness greater than 90.5. The device as recited in claim 1 , wherein the jaw member comprises two elements claim 1 , each having distal ends claim 1 , wherein one of the elements is pivotable relative to the other element to create a spacing of varying sizes between the two elements at their respective distal ends.6. The device as recited in ...

APPARATUS FOR PERFORMING AN ELECTROSURGICAL PROCEDURE

A surgical instrument is provided and includes a housing having a shaft. An end effector assembly is operatively connected to a distal end of the shaft and has a pair of first and second jaw members that are movable relative to one another. A drive assembly operably couples to a handle assembly associated with the housing and is configured to impart movement of a respective jaw member when the handle assembly is actuated. A spring component operably associated with each of the jaw members is configured to provide a sealing force at the jaw members. 13-. (canceled)4. An endoscopic forceps , comprising:a housing having a shaft that extends therefrom defining a longitudinal axis therethrough;a handle assembly operatively coupled to the housing and movable relative thereto;an end effector assembly operatively coupled to a distal end of the shaft and having a pair of first and second jaw members, the first and second jaw members movable relative to one another from an open position wherein the first and second jaw members are disposed in spaced relation relative to one another, to a clamping position wherein the first and second jaw members cooperate to grasp tissue therebetween;a drive assembly operably coupled to the handle assembly, the drive assembly including two wires each including a proximal end that operably couples to the handle assembly and a distal end that operably couples to respective first and second jaw members, the two wires configured to impart movement of respective first and second jaw members when the handle assembly is actuated; anda center link operably coupled to the first and second jaw members via a respective cam member that is operably disposed within cam slots defined within respective first and second jaw members.5. An endoscopic forceps according to claim 4 , wherein each of the respective cam slots is disposed substantially parallel to the longitudinal axis and one another when the jaw first and second members are in the open position.6. ...

MEDICAL DEVICES FOR THERMALLY TREATING TISSUE

A medical device for treating tissue includes a tissue-contacting surface and a solid state heating element that is thermally coupled to the tissue-contacting surface. The solid state heating element is configured to generate heat to thermally treat tissue. 1. A medical device for treating tissue , comprising:a tissue-contacting surface; anda solid state heating element thermally coupled to the tissue-contacting surface, the solid state heating element configured to generate heat to thermally treat tissue.2. The medical device according to claim 1 , further comprising control circuitry coupled to the solid state heating element claim 1 , the control circuitry configured to regulate heat generation by the solid state heating element.3. The medical device according to claim 2 , wherein the control circuitry and the solid state heating element are packaged or integrated together.4. The medical device according to claim 2 , wherein the control circuitry and the solid state heating element are part of an integrated circuit.5. The medical device according to claim 2 , further comprising at least one temperature-sensing element configured to sense a temperature of at least one of: the solid state heating element claim 2 , tissue claim 2 , and another element thermally coupled to the solid state heating element or tissue.6. The medical device according to claim 5 , wherein the temperature-sensing element and the solid state heating element are packaged or integrated together.7. The medical device according to claim 5 , wherein the temperature-sensing element and the solid state heating element are part of an integrated circuit.8. The medical device according to claim 5 , wherein the temperature-sensing element is coupled to the control circuitry for feedback-based control of the solid state heating element.9. The medical device according to claim 8 , wherein the feedback-based control limits the temperature of the solid state heating element.10. The medical device according ...

SINGLE ACTION TISSUE SEALER

An endoscopic bipolar forceps includes a housing and a shaft, the shaft having an end effector assembly at its distal end. The end effector assembly includes two jaw members for grasping tissue therebetween. The jaw members are adapted to connect to an electrosurgical energy source which enable them to conduct energy through the tissue to create a tissue seal. A drive assembly is disposed within the housing which moves the jaw members. A switch is disposed within the housing which activates the electrosurgical energy. A knife assembly is included which is advanceable to cut tissue held between the jaw members. A movable handle is connected to the housing. Continual actuation of the movable handle engages the drive assembly to move the jaw members, engages the switch to activate the electrosurgical energy source to seal the tissue, and advances the knife assembly the cut the tissue disposed between the jaw members. 116-. (canceled)17. A bipolar forceps , comprising:a housing;an elongated shaft extending distally from the housing;an end effector assembly engaged to a distal end of the elongated shaft, the end effector assembly including a first jaw member and a second jaw member, the first jaw member pivotable relative to the second jaw member from a first open position to a second closed position for grasping tissue, the jaw members adapted to connect to an electrosurgical energy source such that the jaw members are capable of conducting energy through tissue grasped therebetween;a drive assembly disposed within the housing and operable to pivot the first jaw member from the first open position to the second closed position;a switch operably associated with the housing and actuatable to energize the jaw members;a knife advanceable to cut tissue grasped between the jaw members; anda movable handle connected to the housing and selectively rotatable about a pivot point, wherein continuous actuation of the movable handle is operable to force the drive assembly to pivot ...

MULTI-FUNCTION BI-POLAR FORCEPS

An end effector is disclosed. The end effector includes a first jaw member. The first jaw member comprises a first electrode. The first jaw member defines a first aperture at a distal end. The end effector includes a second jaw member. The second jaw member comprises a second electrode. The second jaw member defines a second aperture at a distal end. The second jaw member is operatively coupled to the first jaw member. The first and second apertures are configured to define a single aperture when the first and second jaw members are in a closed position. The first and second electrodes are configured to deliver energy. 1. An end effector comprising:a first jaw member defining a first aperture at a distal end, the first jaw member comprising a first electrode located proximally of the first aperture, wherein the first electrode comprises a positive temperature coefficient (PTC) material; anda second jaw member defining a second aperture at a distal end, the second jaw member comprising a second electrode located proximally of the second aperture, wherein the second jaw member is operatively coupled to the first jaw member, wherein the first and second apertures are configured to define a single aperture when the first and second jaw members are in a closed position, wherein the second electrode comprises a PTC material, and wherein the first and second electrodes are configured to deliver energy.2. The end effector of claim 1 , wherein the first and second jaw members define a longitudinal channel claim 1 , the end effector comprising a cutting member slideably receivable within the longitudinal channel claim 1 , wherein the cutting member is deployable along the longitudinal channel claim 1 , and wherein the longitudinal channel is located proximally of the first and second apertures.3. The end effector of claim 2 , wherein the first electrode comprises a first PTC (positive temperature coefficient) electrode and a second a PTC electrode claim 2 , wherein the first ...

Jaw assemblies for electrosurgical instruments and methods of manufacturing jaw assemblies

A jaw assembly includes a jaw member and a structural insert. The jaw member includes an arm member and a support base extending distally from the arm member. The arm member defines a first portion of the jaw member. The support base defines a second portion and a third portion of the jaw member. The second portion defines a cavity disposed between the first portion and the third portion. At least a portion of the structural insert is disposed within the cavity.

JAW ASSEMBLIES FOR ELECTROSURGICAL INSTRUMENTS AND METHODS OF MANUFACTURING JAW ASSEMBLIES

A jaw assembly includes an electrically-conductive tissue-engaging structure, a jaw member including a support base, and a non-electrically conductive member including a first portion configured to engage the electrically-conductive tissue-engaging structure and a second portion configured to engage the support base of the jaw member. The non-electrically conductive member adapted to electrically isolate the electrically-conductive tissue-engaging structure from the jaw member. The electrically-conductive tissue-engaging structure and the non-electrically conductive member cooperatively define a longitudinally-oriented knife channel therethrough. 1. A jaw assembly , comprising:an electrically-conductive tissue-engaging structure;a jaw member including a support base; anda non-electrically conductive member including a first portion configured to engage the electrically-conductive tissue-engaging structure and a second portion configured to engage the support base of the jaw member, the non-electrically conductive member adapted to electrically isolate the electrically-conductive tissue-engaging structure from the jaw member, wherein the electrically-conductive tissue-engaging structure and the non-electrically conductive member cooperatively define a longitudinally-oriented knife channel therethrough.2. The jaw assembly of claim 1 , wherein the electrically-conductive tissue-engaging structure includes a first portion and a second portion claim 1 , the first and second portions at least partially separated by the longitudinally-oriented knife channel.3. The jaw assembly of claim 1 , wherein the non-electrically conductive member includes a body defining a first lateral side portion having a first length and a second lateral side portion having a second length.4. The jaw assembly of claim 3 , wherein the first and second lateral side portions are joined at one end by an apex disposed at the distal end of the body and spaced apart at opposing ends to define an opening ...

SURGICAL TOOL

Disclosed is a surgical tool. The surgical tool comprises a surgical tool head () and a rod shaft (). The surgical tool head () is connected with the shaft (). The shaft () is a flexible shaft and comprises a flexible core and a flexible sleeve. The flexible sleeve has an inner cavity, and the flexible core is slidably disposed in the inner cavity. The surgical tool head () comprises two jaws (). The flexible core and the flexible sleeve are respectively connected with the two jaws (), and the flexible core is able to slide relatively to the flexible sleeve to drive the two jaws () to make relative opening and closing movements. The shaft () of the surgical tool can be bent freely into any shape, and thus can be integrated into a flexible surgical tool and applied in a wider range. 1. A surgical tool , comprising:a surgical tool head comprising a first jaw and a second jaw; and a flexible core connected with the second jaw; and', 'a flexible sleeve connected with the first jaw, the flexible sleeve comprising an inner cavity, and the flexible core being slidably disposed in the inner cavity and operable to slide relatively to the flexible sleeve to drive relative opening and closing of the first and second jaws., 'a shaft connected with the surgical tool head and comprising2. The surgical tool according to claim 1 , wherein the flexible core comprises:an elastic metal wire;a first covering tube wrapping the elastic metal wire and fixed relatively to the elastic metal wire.3. The surgical tool according to claim 1 , wherein the flexible sleeve comprises:a metal tube forming the inner cavity; anda second covering tube wrapping the metal tube and fixed relatively to the metal tube.4. The surgical tool according to claim 3 , wherein the first jaw comprises an electrode connected with the metal tube.5. The surgical tool according to claim 3 , wherein the metal tube comprises a spiral metal band claim 3 , a metal wire mesh or a corrugated metal tube.6. The surgical tool ...

METHOD OF MANUFACTURING MEDICAL HEATER, MEDICAL HEATER, TREATMENT TOOL, AND TREATMENT SYSTEM

A method of manufacturing a medical heater that includes arranging, on an electrically isolated substrate, (i) a heating element configured to generate heat based on a supply of electric current to the heating element, (ii) a metal film electrically connected to the heating element, and (iii) a wiring member bonded to the film. The method arranges a lead wire of the wiring member on the film, and arranges a metal bypass member on the film. A pair of welding electrodes are connected with the lead wire, and then welding the lead wire to the film occurs by allowing electric current to flow between the pair of welding electrodes. 1. A method of manufacturing a medical heater , the method comprising:arranging, on an electrically isolated substrate, (i) a heating element configured to generate heat based on a supply of electric current to the heating element, (ii) a metal film electrically connected to the heating element, and (iii) a wiring member bonded to the film;arranging a lead wire of the wiring member on the film;arranging a metal bypass member on the film;connecting a pair of welding electrodes with the lead wire; andwelding the lead wire to the film by allowing electric current to flow between the pair of welding electrodes.2. The method according to claim 1 , further comprising pressing the lead wire against the film.3. The method according to claim 1 , wherein:a bypass region is formed on the film, andthe bypass member is arranged such that at least a part of the bypass member is located in the bypass region.4. The method according to claim 3 , wherein the bypass region is a region that is located between two virtual lines that partition a region covering all of the film claim 3 , the virtual lines individually passing through contact points of the pair of welding electrodes to the lead wire claim 3 , and the virtual lines are located orthogonally to a direction connecting the contact points.5. The method according to claim 4 , wherein:the bypass member is ...

TRANSLATABLE OUTER TUBE FOR SEALING USING SHIELDED LAP CHOLE DISSECTOR

Aspects of the present disclosure are presented for a surgical instrument for cutting and sealing tissue. In some embodiments, the surgical instrument includes a handle assembly, a shaft, and an end effector. The end effector may include: a blade that vibrates at an ultrasonic frequency, a shielded portion enclosing a back edge of the blade, a high-friction surface coupled to the shielded portion and positioned between the shielded portion and the back edge of the blade. A space is defined between the high-friction surface and the back edge of the blade when the end effector is in a cutting configuration. In a sealing configuration, the high-friction surface contacts the back edge of the blade, which generates heat based on ultrasonic vibrations of the blade rubbing against the high-friction surface. The shielded portion can coagulate bleeding tissue based on heat transfer from the high-friction surface to the shielded portion. 1. An end effector , comprising:a blade having a cutting edge configured to dissect and coagulate tissue and a back edge, the blade is configured to couple to an ultrasonic waveguide and configured to vibrate at ultrasonic frequency to dissect and coagulate the tissue;a shielded portion enclosing the back edge of the blade; anda high-friction surface coupled to the shielded portion and positioned between the shielded portion and the back edge of the blade, wherein a space is defined between the high-friction surface and the back edge of the blade when the end effector is configured into a dissecting configuration;wherein, when the end effector is configured into a sealing configuration, the high-friction surface contacts the back edge of the blade and is configured to generate heat by frictionally coupling the ultrasonic vibrations of the blade to the high-friction surface, and wherein the shielded portion is configured to coagulate tissue by coupling heat from the high-friction surface to the tissue.2. The end effector of claim 1 , further ...

BIPOLAR FORCEPS

A bipolar forceps may include a first forceps arm having a first forceps arm conductor tip; a second forceps arm having a second forceps arm conductor tip; and an input conductor isolation mechanism having a first forceps arm housing and a second forceps arm housing. The first forceps arm may be disposed in the first forceps arm housing and the second forceps arm may be disposed in the second forceps arm housing. The first forceps arm conductor tip may include a chrome conversion coating configured to prevent tissue from sticking to the first forceps arm conductor tip during a surgical procedure. The second forceps arm conductor tip may include a chrome conversion coating configured to prevent tissue from sticking to the second forceps arm conductor tip during a surgical procedure. 1. An instrument comprising:a first forceps arm having a first forceps arm distal end and a first forceps arm proximal end;a first forceps arm grip of the first forceps arm having a first forceps arm grip distal end and a first forceps arm grip proximal end wherein the first forceps arm grip distal end is disposed between the first forceps arm distal end and the first forceps arm proximal end and wherein the first forceps arm grip proximal end is disposed between the first forceps arm distal end and the first forceps arm proximal end;a first forceps jaw of the first forceps arm having a first forceps jaw distal end and a first forceps jaw proximal end wherein the first forceps jaw distal end is the first forceps arm distal end and wherein the first forceps jaw proximal end is disposed between the first forceps arm grip distal end and the first forceps arm distal end;a first conductor tip of the first forceps arm having a first conductor tip distal end and a first conductor tip proximal end wherein the first conductor tip distal end is the first forceps arm distal end and the first forceps jaw distal end and wherein the first conductor tip proximal end is disposed between the first forceps ...

END EFFECTOR ENABLING GRASPING OF TISSUE AND PLASMA RADIATION TO TISSUE, AND ENDOSCOPIC SYSTEM COMPRISING SAID END EFFECTOR

Provided is an end effector enabling the grasping of tissue and plasma radiation to tissue. This end effector comprises: a grasping member for grasping tissue; and a plasma generation mechanism capable of generating plasma. A pulling means is connected to the plasma generation mechanism, and by operation of the connected pulling means, grasping of tissue by the grasping means is achieved. The plasma generation means is configured so as to enable plasma to be radiated at the position where the grasping member grasps tissue. 1. An end effector comprising:a grasping member for grasping tissue; anda plasma generation mechanism that can generate plasma.2. The end effector of claim 1 , further comprising a hinge part claim 1 , wherein:the grasping member and the plasma generation mechanism are connected to each other at the hinge part; andthe grasping member is configured to be able to rotate around the hinge part.3. The end effector of claim 1 , further comprising a connection part that can connect with a pulling means that can pull the plasma generation mechanism claim 1 , wherein activation of the pulling means that has been connected achieves grasping of the tissue with the grasping member.4. The end effector of claim 3 , wherein the connection part is configured so that the puling means would be detachable.5. The end effector of claim 1 , wherein the grasping member is configured to be able to be electrically controlled.6. The end effector of claim 1 , wherein the plasma generation mechanism is configured so that the plasma can be irradiated to a position where the grasping member grasps the tissue.7. The end effector of claim 1 , wherein the grasping member comprises a plurality of grasping pieces.8. The end effector of claim 1 , wherein:the plasma generation configuration has a housing shape having a hollow part;the housing comprises a first electrode and a second electrode that is different from the first electrode; andthe plasma generation mechanism turns gas ...

TREATMENT SYSTEM, AND TREATMENT METHOD FOR LIVING TISSUE USING ENERGY

A treatment system includes a pair of holding members, a high-frequency energy output section, a heat generating section and a control section. At least one of the pair of holding members moves to the other holding member. The high-frequency energy output section and the heat generating section are provided on at least one of the holding members. The high-frequency energy output section exerts high-frequency energy to a living tissue to denature the living tissue, and collects the biological information of the living tissue. The heat generating section applies heat to it held between the holding members, generates the heat owing to the supply of the energy, and conducts the heat therefrom to denature the living tissue. The control section controls the output of the energy to the high-frequency energy output section and the heat generating section based on the biological information collected by the high-frequency energy output section. 1. A surgical controller for controlling an electrosurgical apparatus , the surgical controller comprising:a circuit configured to detect an impedance of a tissue between a pair of holding members disposed at the electrosurgical apparatus and to output an impedance value indicative of the impedance; and controlling a first generator to apply a first electric power to a first energy element that is provided on each of the holding members and is configured to apply a first energy to the tissue, the first energy generating Joule heat in the tissue to heat the tissue;', 'receiving the impedance value from the circuit;', 'when the impedance value reaches a first threshold value, controlling a second generator to set a second electric power to be applied to a second energy element to a value higher than before reaching the first threshold value, the second energy element being configured to apply a second energy to the tissue, the second energy coagulating the tissue from a surface side of the tissue contacting a grasping face of the ...

SURGICAL FORCEPS AND LATCHING SYSTEM

A surgical forceps comprising: a first working arm and a second working arm configured to move towards and away from each other; and an electromagnetic latching system; wherein the electromagnetic latching system is configured to create a force that is in a direction aligned with closing of the forceps or opposite to the closing of the forceps when an electromagnetic activation button is depressed. 1) A surgical forceps comprising:a first working arm and a second working arm configured to move in a direction that is towards and away from each other in a manner that creates a resilient moving force; andan electromagnetic latching system located in or on the first working arm, the second working arm, or both;wherein a first electromagnetic latch of the electromagnetic latching system has a constant magnetic field, and a second electromagnetic latch of the electromagnetic latching system has a variable magnetic field.2) The surgical forceps of claim 19 , wherein the force applied is based upon a measurement of impedance of tissue held between the first working arm and the second working arm.3) (canceled)4) (canceled)5) The surgical forceps of claim 1 , wherein both of the first electromagnetic latch and the second electromagnetic latch one or more electromagnetic latches are connected to power so that when power is applied each of the electromagnetic latches create a force that biases the first working arm and the second working arm towards each other; a force that biases the first working arm and the second working arm apart; or both.6) (canceled)7) The surgical forceps of claim 1 , wherein an amount of force required to move the first working arm and second working arm apart claim 1 , together claim 1 , or both is variable by a user.8) (canceled)9) The surgical forceps of claim 1 , wherein the surgical forceps are an electrosurgical device.10) The surgical forceps of claim 1 , wherein the first working arm and the second working arm include a neutral position and ...

GRASPING TREATMENT UNIT, GRASPING TREATMENT INSTRUMENT, AND GRASPING TREATMENT SYSTEM

A grasping treatment unit includes a first jaw, and a second jaw openable and closable relative to the first jaw. In the first jaw, a heating wire continues without branching from a first extending end to a second extending end, and heat is generated over an entire length from the first extending end to the second extending end when the electric current flows through the heating wire. In a heating portion, a calorific value per unit area is higher in a distal portion than in a proximal portion in the first jaw when the heat is generated from the heating wire. On a treatment surface of the first jaw, an amount of heat transfer from the heating portion is greater in the distal portion than in the proximal portion. 1. A grasping treatment unit configured to grasp and treat a living tissue , the grasping treatment unit comprising:a first jaw which extends from a proximal portion toward a distal portion, and which has an outer surface exposed to an outside;a second jaw which extends from a proximal portion toward a distal portion, and which is openable and closable relative to the first jaw;a heating portion including a heating wire, the heating wire being disposed in a range from the proximal portion to the distal portion in the first jaw, continuing without branching from a first extending end which is one end to a second extending end which is the other end in an extending direction, and being configured to generate heat over an entire length from the first extending end to the second extending end when an electric current flows therethrough, the heating portion being higher in calorific value per unit area in the distal portion than in the proximal portion in the first jaw in a state where the heat is generated from the heating wire; anda blade which includes a treatment surface facing the second jaw on the outer surface of the first jaw, and in which a protruding portion, protruding toward the second jaw as compared to other parts of the treatment surface, and an ...

Apparatus and Method for Rapid Reliable Electrothermal Tissue Fusion

A method of electrothermally fusing together pieces of tissue at an interface includes: compressing the tissue pieces together at the interface sufficiently for fusing the tissue pieces together at the interface; delivering an impulse of electrical power of no greater than 4.0 seconds time duration which contains sufficient energy to fuse the tissue pieces together at the interface within the time duration of the electrical power impulse; converting the electrical power impulse into thermal energy applied at the interface to fuse the tissue pieces; and regulating the temperature of the thermal energy applied at the interface in a range of 150° C. to 200° C. while fusing the tissue pieces by controlling characteristics of the electrical power impulse. 1. A method of electrothermally fusing together pieces of tissue at an interface , comprising:compressing the tissue pieces together at the interface sufficiently for fusing the tissue pieces together at the interface;delivering an impulse of electrical power of no greater than 4.0 seconds time duration which contains sufficient energy to fuse the tissue pieces together at the interface within the time duration of the electrical power impulse;converting the electrical power impulse into thermal energy applied at the interface to fuse the tissue pieces; andregulating the temperature of the thermal energy applied at the interface in a range of 150° C. to 200° C. while fusing the tissue pieces by controlling characteristics of the electrical power impulse.2. A method as defined in claim 1 , wherein the electrical power impulse has a time duration of no greater than 2.0 seconds.3. A method as defined in claim 1 , wherein the electrical power impulse has a time duration of approximately 0.5 seconds.4. A method as defined in claim 1 , wherein the electrical power impulse has a time duration in the range of 0.5 seconds to 2.0 seconds.5. A method as defined in claim 4 , further comprising:releasing compression of the interface ...

Free scar instrument and method

The inventor provides a surgical device for use through a plurality of passageways in a tissue and methods of use. The new invention performs surgery with a minimum of trauma to the tissue, so that tissue healing occurs by the first intention without causing visible tissue scars. The invention including: (a) two or more elongated rods, each including a proximal end and a distal end; and (b) a holder; wherein each said proximal end is connectable to said holder, is provided. The invention including: (a) a plurality of elongated rods, each including a proximal end and a distal end; (b) a holder; and (c) a functional element; each said proximal end is connectable to said holder; wherein each said distal end is connectable to said functional element, is provided.

Medical treatment instrument

Provided is a medical treatment instrument including: a pair of openable/closable pinching portions that pinch a body tissue via a pair of pinching surfaces facing each other; an energy output section provided in at least one of the pair of pinching portions, the energy output section including an energy application surface as at least one of the pair of pinching surfaces; a cutting member capable of advancing/retracting inside the pinching portion; a guiding groove including a recess portion in the energy application surface, the guiding groove guiding the cutting member; and a plurality of gap maintaining portions provided at a fixed interval along an axial direction at an end face of the guiding groove in such a manner that the end face on the guiding groove side and an inner face on the energy output section side are flush with each other.

APPARATUS AND METHOD FOR RAPID RELIABLE ELECTROTHERMAL TISSUE FUSION AND SIMULTANEOUS CUTTING

A method of electrothermally fusing together pieces of tissue at an interface and simultaneously cutting the fused tissue along a linear path through the interface, including: compressing the tissue pieces together at the interface sufficiently for fusing the tissue pieces together and for cutting the fused tissue pieces in the linear path through the fused tissue at the interface; delivering an impulse of electrical power of no greater than 4.0 seconds time duration which contains sufficient energy to fuse the tissue pieces together at the interface and to simultaneously cut the fused tissue; converting the electrical power impulse into thermal energy applied at the interface; and regulating the temperature of the thermal energy applied at the interface in a range of 200° C. to 320° C. while fusing and simultaneously cutting the tissue pieces at the interface by controlling characteristics of the electrical power impulse. 1. A method of electrothermally fusing together pieces of tissue at an interface and simultaneously cutting the fused tissue along a linear path through the interface , comprising:compressing the tissue pieces together at the interface sufficiently for fusing the tissue pieces together and for cutting the fused tissue pieces in the linear path through the fused tissue at the interface;delivering an impulse of electrical power of no greater than 4.0 seconds time duration which contains sufficient energy to fuse the tissue pieces together at the interface and to simultaneously cut the fused tissue in the linear path through the fused tissue at the interface within the time duration of the electrical power impulse;converting the electrical power impulse into thermal energy applied at the interface to fuse the tissue pieces and to simultaneously cut the fused tissue pieces in the linear path through the interface; andregulating the temperature of the thermal energy applied at the interface in a range of 200° C. to 320° C. while fusing and ...

SURGICAL INSTRUMENT AND METHOD

An actuator for use in a surgical instrument, the actuator includes an upper portion configured to be actuated by one or more fingers, wherein the upper portion has an upper distal portion for operating the surgical instrument in a first mode of operation, and an upper proximal portion for operating the surgical instrument in a second mode of operation, and wherein the upper distal portion and the upper proximal portion have different respective tactile configurations for informing the user of the first and second modes of operation, respectively. 118-. (canceled)19. A surgical instrument for harvesting a vessel , comprising:an elongated body having a distal end and a proximal end;an electrical circuit;a surgical device at the distal end of the body, wherein the surgical device comprises an electrode coupled to the electrical circuit; anda handle coupled to the proximal end of the elongated body;wherein the electrical circuit has a first wire and a second wire that are parts of a circuit coupled to the electrode, the second wire being a backup wire.20. The surgical instrument of claim 19 , wherein the first and second wires are electrically connected to the electrode claim 19 , the second wire being a backup wire for supplying energy to the electrode.21. The surgical instrument of claim 19 , further comprising a fuse that couples to the electrode claim 19 , wherein the first wire and the second wire are electrically coupled to the fuse claim 19 , the second wire being a backup wire for supplying energy to the fuse.22. The surgical instrument of claim 19 , further comprising an electrical switch within the handle claim 19 , wherein the first wire and the second wire are electrically coupled to a switch terminal at the electrical switch claim 19 , the second wire being a backup wire for supplying energy to the switch terminal.2353-. (canceled) This application is a continuation-in-part of U.S. patent application Ser. No. 12/472,657, filed on May 27, 2009, pending, ...

BIPOLAR FORCEPS WITH VESSEL SEAL TESTING

A forceps system for sealing a blood vessel can include a first jaw and an opposing second jaw. At least one of the first and second jaws includes at least a first electrode having first and second electrode portions that are laterally separated to permit electrical isolation between the first and second electrode portions, and the first and second electrode portions are independently addressable to permit individual testing by the first and second electrodes portions of a blood vessel characteristic. This can help permit individual testing of each side of a target seal region of the blood vessel. 1. A forceps system for sealing a vessel , the forceps system comprising:a forceps including first jaw and an opposing second jaw,wherein at least one of the first and second jaws includes at least a first electrode having first and second electrode portions that are laterally separated to permit electrical isolation between the first and second electrode portions, andwherein the first and second electrode portions are independently addressable to permit individual testing by the first and second electrodes portions of a vessel characteristic.2. The forceps system of claim 1 , comprising a slot between at least a portion of the laterally separated first and second electrode portions.3. The forceps system of claim 2 , further comprising a retractable blade extendable in the slot between the first electrode portion and the second electrode portion.4. The forceps of claim 2 , wherein the first electrode portion and the second electrode portion are laterally separated by the slot.5. The forceps of claim 2 , wherein the first electrode portion and the second electrode portion each extend from between a distal portion and a proximal portion of the first jaw.6. The forceps system of claim 1 , wherein the other of the first and second jaws includes a second electrode.7. The forceps of claim 6 , wherein the first and second electrodes comprise a first plate electrode and a second ...

Unitary Endoscopic Vessel Harvesting Devices

Unitary endoscopic vessel harvesting devices are disclosed. In some embodiments, such devices may comprise an elongated body having a proximal end and a distal end. A conical tip may be disposed at the distal end of the elongated body. In addition, the surgical instrument may include one or more surgical instruments moveable in a longitudinal direction along an axis substantially parallel to a central longitudinal axis of the cannula from a retracted position proximally of a distal end of the tip to an advanced position toward the distal end of the tip to seal and cut a blood vessel. 1. A method for harvesting a blood vessel comprising:advancing a cannula having a conical dissection tip disposed at a distal tip of an elongated body along a main vessel to separate the main vessel and its branch vessels from the surrounding tissue;moving one or more surgical instruments in a longitudinal direction along an axis substantially parallel to a central longitudinal axis of the cannula from a retracted position proximal of a distal end of the tip to an advanced position toward the distal end of the tip;manipulating the one or more surgical instruments to seal and cut the branch vessel.2. The method of claim 1 , wherein claim 1 , in the step of advancing claim 1 , the tip is removable to expose the distal end of the elongated body.3. The method of claim 1 , wherein claim 1 , in the step of advancing claim 1 , the tip is retractable over the elongated body to expose the distal end of the elongated body.4. The method of claim 1 , wherein claim 1 , in the step of advancing claim 1 , the tip includes one or more optical windows.5. The method of claim 4 , wherein the cannula further comprises a cover moveable from a first position over the one or more optical windows to cover the one or more optical windows to a second position away from the one or more optical windows to expose the one or more optical windows.6. The method of claim 1 , wherein claim 1 , in the step of moving ...

Electrosurgical instrument including an adhesive applicator assembly

The surgical instrument for sealing and/or cutting tissue includes a handle assembly and an end effector assembly operatively connected to the handle assembly. The end effector assembly includes first and second jaw members each including a jaw housing and an electrically conductive surface defining a plurality of bores and an adhesive applicator assembly disposed in one of the jaw members. The electrically conductive surfaces are configured to effect a tissue seal. The adhesive applicator assembly includes a platform defining a reservoir therein and a plurality of needles in communication with the reservoir. The platform is movable between a neutral position in which the plurality of needles are disposed within the jaw housing and an actuated position in which the plurality of needles extend through the respective plurality of bores defined in the electrically conductive surface.

ELECTROSURGICAL SCISSORS

Embodiments are directed to various monopolar and bipolar electrosurgical scissor instruments. A monopolar electrosurgical scissor instrument includes one scissor blade that has an electrically conductive tapered edge, where the tapered edge is insufficiently sharp to shear or otherwise mechanically cut tissue. The scissors also include another electrically insulated scissor blade movably mounted to the first scissor blade. The second scissor blade includes a flat contact surface that is aligned with the tapered edge of the first scissor blade. The scissors further include a scissor body that includes a conductor that transfers electrical energy from an energy source to the tapered edge of the first electrically conductive scissor blade to electrically cut interlaying tissue located between the first electrically conductive scissor blade and the second electrically insulated scissor blade. 1. A monopolar electrosurgical scissor instrument , comprising:a first electrically conductive scissor blade having a tapered edge that concentrates electrical energy transmitted from the electrosurgical scissor instrument to patient tissue during an electrosurgical procedure, the tapered edge being insufficiently sharp to shear or mechanically cut tissue;a second scissor blade movably mounted to the first scissor blade, the second scissor blade comprising a contact surface that is aligned with the tapered edge of the first scissor blade; anda scissor body comprising a conductor that transfers electrical energy from an energy source to the tapered edge of the first scissor blade to electrically cut interlaying tissue located between the first scissor blade and the second scissor blade.2. The monopolar electrosurgical scissor instrument of claim 1 , wherein the tapered edge of the first scissor blade includes a dropdown rounded corner that allows continuous electrosurgical tissue cutting.3. The monopolar electrosurgical scissor instrument of claim 1 , wherein the second scissor ...

Single action tissue sealer

An endoscopic bipolar forceps includes a housing and a shaft, the shaft having an end effector assembly at its distal end. The end effector assembly includes two jaw members for grasping tissue therebetween. The jaw members are adapted to connect to an electrosurgical energy source which enable them to conduct energy through the tissue to create a tissue seal. A drive assembly is disposed within the housing which moves the jaw members. A switch is disposed within the housing which activates the electrosurgical energy. A knife assembly is included which is advanceable to cut tissue held between the jaw members. A movable handle is connected to the housing. Continual actuation of the movable handle engages the drive assembly to move the jaw members, engages the switch to activate the electrosurgical energy source to seal the tissue, and advances the knife assembly the cut the tissue disposed between the jaw members.

APPARATUS AND METHOD FOR REGULATING TISSUE WELDER JAWS

A surgical apparatus and methods for severing and welding tissue, in particular blood vessels. The apparatus includes an elongated shaft having a pair of relatively movable jaws at a distal end thereof. A first heating element on one of the jaws is adapted to heat up to a first temperature and form a welded region within the tissue, while a second heating element on one of the jaws is adapted to heat up to a second temperature and sever the tissue within the welded region. The first and second heating elements may be provided on the same or opposite jaws. A control handle provided on the proximal end of the elongated shaft includes controls for opening and closing the jaws, and may include an actuator for sending current through the first and second heating elements. The first and second heating elements may be electrically connected in series, and the first heating element may be bifurcated such that it conducts about one half of the current as the second heating element. A force-limiting mechanism provided either within the control handle, in the elongated shaft, or at the jaws limits the pressure applied to the tissue by the jaws to ensure that the tissue is severed and the ends effectively welded within a short amount of time. 1. A surgical apparatus for welding and severing tissue , comprising:first and second relatively movable elongated jaws having facing surfaces;an elongated shaft having the first and second relatively movable jaws attached to a distal end thereof;at least one heating element provided on the facing surface of one of the first or second jaws;a control handle connected to the elongated shaft; a control actuator for alternately separating and bringing together the facing surfaces of the elongated jaws; anda force-limiting mechanism interposed between the control actuator and the jaws adapted to regulate the magnitude of closing force of the jaws to between about 1-3 lbs (0.45-1.36 kg) to ensure the heating element effectively welds and severs ...

Tissue Ablation Devices and Methods of Using the Same

Tissue ablation devices are provided. Aspects of the tissue ablation devices include an elongated member having a proximal and distal end. At the distal end are first and second jaws that are configured to apply ablation energy to tissue disposed between the jaws during use. Each jaw includes a surface proximal radiofrequency (RF) ablation energy component and a surface distal thermal ablation energy component. Also provided are systems that include a tissue ablation device operatively coupled to an energy source, as well as kits that include the devices and methods of using the devices in tissue ablation applications, including cardiac tissue ablation applications. 1. A tissue ablation device , the device comprising:an elongated member having a proximal and distal end;first and second jaws at the distal end that are configured to apply ablation energy to tissue disposed between the jaws during use, wherein each jaw comprises a surface proximal radiofrequency (RF) ablation energy component and a surface distal thermal ablation energy component; anda connector at the proximal end for operatively connecting to an ablation energy source.2. The tissue ablation device according to claim 1 , wherein the RF ablation energy component comprises one or more elongated electrodes.3. The tissue ablation device according to claim 2 , wherein RF ablation energy component comprises two elongated electrodes.4. The tissue ablation device according to claim 3 , wherein the elongated electrodes of each of the jaws are configured to have opposite polarity during use.5. The tissue ablation device according to claim 1 , wherein thermal ablation energy component comprises a positive temperature co-efficient of resistivity (PTC) material.6. The tissue ablation device according to claim 5 , wherein the thermal ablation energy component comprises a linear arrangement of two or more PTC resistors.710-. (canceled)11. The tissue ablation device according to claim 1 , wherein the surface proximal ...

SURGICAL FORCEPS

An end effector of a forceps includes first and second jaw members movable between spaced-apart and approximated positions for grasping tissue. Each jaw member includes a tissue sealing plate that is selectively energizable. The tissue sealing plates are configured to conduct energy therebetween and though tissue to seal tissue. A knife includes a distal surface and an upper surface. The knife is selectively translatable between a retracted position and an extended position wherein the knife extends between the jaw members. The distal surface is configured for dynamic tissue cutting upon translation of the knife from the retracted to the extended position. The upper surface is configured for static tissue cutting with the knife in the extended position. The knife is selectively energizable and is configured to conduct energy between the knife and one or both of the tissue sealing plates and through tissue to electrically cut tissue. 120-. (canceled)21. A surgical instrument , comprising: first and second jaw members, at least one of the first and second jaw members movable relative to the other between a spaced-apart position and an approximated position for grasping tissue therebetween, at least one of the first and second jaw members adapted to connect to a source of energy; and', 'a knife including a distal tissue-cutting surface and an upper tissue-cutting surface, the knife selectively translatable relative to the first and second jaw members between a retracted position and an extended position wherein the knife extends between the first and second jaw members, the knife configured to selectively translate between the retracted and extended positions in each of the spaced-apart and approximated positions of the first and second jaw members, the distal tissue-cutting surface of the knife configured to cut tissue upon translation thereof from the retracted position to the extended position with the first and second jaw members disposed in the approximated ...

SURGICAL INSTRUMENT

An electrosurgical instrument for removal of tissue from a patient and a method for doing the same. The electrosurgical instrument includes a pair of lever members each of which having an associated end effector associated. One of the end effectors includes a cutting element forming a loop on the end of the end effector. The cutting element is also configured to receive electrical energy from an electrical energy source. The other of the end effectors includes a pad that can be brought into a position generally opposing the cutting element during relative movement of the end effectors toward one another. When electrical energy is discharged from the cutting element and the end effectors moved toward one another, dissection and cauterization of tissue from a patient is facilitated. 1. An electrosurgical instrument for removal of tissue from a patient , the electrosurgical instrument comprising:a pair of lever members;an end effector associated each of the lever members for the removal of tissue, the end effectors being supported by the lever members for relative movement generally toward one another;one of the end effectors including a cutting element that is configured to receive electrical energy from an electrical energy source, the cutting element forming a loop on the end of the end effector;the other of the end effectors including a pad provided thereon, the cutting element and the pad being brought into a position opposing one another during relative movement of the end effectors toward one another; andwherein electrical energy is discharged from the cutting element facilitating dissection and cauterization of the tissue of the patient.2. The electrosurgical instrument of claim 1 , wherein the cutting element is a wire.3. The electrosurgical instrument of claim 1 , wherein the loop defines an opening therein claim 1 , the opening extending through the loop.4. The electrosurgical instrument of claim 3 , wherein the pad corresponds in shape to the loop.5. The ...

TREATMENT TOOL

The disclosed technology is directed to a treatment tool having a blade configured to engage with a treatment target. A heater is configured to be spaced apart from the blade. A first thermally conductive member is sandwiched between the blade and the heater so as to transmit heat to the blade. The first thermally conductive member includes respective first and second portions each of which is disposed on respective distal-end and proximal-end sides in longitudinal directions of the blade for thermally conducting a different prescribed quantity of heat per unit time from each of the respective first and second portions to the blade via the heater. The first thermally conductive member includes a first thermal conductivity anisotropy that is higher in longitudinal directions of the blade and is lower in widthwise directions transverse to the longitudinal directions. 1. A treatment tool comprising:a blade configured to engage with a treatment target;a heater configured to be spaced apart from the blade; anda first thermally conductive member sandwiched between the blade and the heater so as to transmit heat to the blade wherein the first thermally conductive member includes a first thermal conductivity anisotropy that being higher in longitudinal directions of the blade and being lower in widthwise directions transverse to the longitudinal directions.2. The treatment tool of claim 1 , whereinthe first thermal conductivity anisotropy is higher in plane directions of a plane transverse to the widthwise directions and is lower in the widthwise directions.3. The treatment tool of claim 2 , whereinthe first thermally conductive member is defined by a plurality of first stacked sheets extending in the plane directions of the plane transverse to the widthwise directions.4. The treatment tool of claim 3 , whereineach of the plurality of sheets is substantially made of either carbon or graphite or combination thereof.5. The treatment tool of claim 4 , whereineach of the sheets ...

ELECTROSURGICAL INSTRUMENT

An electrosurgical forceps includes a shaft that extends from a housing of the electrosurgical forceps. An end effector assembly is operably coupled to a distal end of the shaft and includes a pair of first and second jaw members. Each jaw member has a jaw housing and an electrosurgical seal plate. The first jaw member is movable relative to the second jaw member from an open configuration to a clamping configuration. The first jaw member includes an elongated channel defined in its respective jaw housing and extends along a length thereof. A drive assembly operably couples to the first jaw member via a drive rod that is engageable with the elongated channel to move the first jaw member from the open configuration to the clamping configuration and to provide a closure force between the jaw members when the jaw members are in the clamping configuration. 113-. (canceled)14. An electrosurgical forceps , comprising:a housing;a shaft having a proximal end coupled to the housing, and a distal end;a drive rod disposed within the shaft and longitudinally translatable therein; a first jaw member; and', 'a second jaw member movable relative to the first jaw member between an open configuration for positioning tissue between the first and second jaw members, and a clamping configuration for grasping tissue between the first and second jaw members; and, 'an end effector assembly operably coupled to the distal end of the shaft and includinga camming member coupled to the second jaw member, wherein distal movement of the drive rod engages the camming member and cams the second jaw member from the open configuration to the clamping configuration.15. The electrosurgical forceps according to claim 14 , wherein the first jaw member is fixed relative to the shaft.16. The electrosurgical forceps according to claim 14 , wherein the camming member is arcuate.17. The electrosurgical forceps according to claim 14 , wherein the camming member is attached to a proximal end of the second jaw ...

GRASPING TREATMENT UNIT, GRASPING TREATMENT INSTRUMENT AND GRASPING TREATMENT SYSTEM

A grasping surface opposed to a second jaw is provided on an outer surface in a first jaw of the grasping treatment unit, and a heat applying portion applying heat to a treated target is provided in a grasping-surface-side part in the first jaw. The heat applying portion includes a projection portion in which the grasping surface projects toward the second jaw, and the projection portion includes a first thermal conduction portion, and a second thermal conduction portion with a thermal conductivity which is different from that of the first thermal conduction portion. The second thermal conduction portion is continuous with the first thermal conduction portion in a longitudinal direction of the first jaw. 1. A grasping treatment unit comprising:a first jaw extending in a longitudinal direction from a proximal portion toward a distal portion thereof;a second jaw opposed to the first jaw and configured to grasp a biological tissue between the second jaw and the first jaw;a heat applying portion including, on an outer surface of the first jaw, a grasping surface opposed to the second jaw, the heat applying portion being configured to apply heat, which is produced by energy supplied from an energy source unit, to the biological tissue;a first thermal conduction portion including a projection portion projecting from the grasping surface toward the second jaw in a state in which the projection portion is continuous from the proximal portion to the distal portion of the first jaw, the first thermal conduction portion being configured to conduct the heat from the heat applying portion;anda second thermal conduction portion extending in the longitudinal direction in the distal portion of the first jaw in a state in which the second thermal conduction portion continuous with a distal portion side of the first thermal conduction portion in the projection portion, the second thermal conduction portion having a thermal conductivity which is different from a thermal conductivity ...

Apparatus for performing an electrosurgical procedure

A surgical instrument is provided and includes a housing having a shaft. An end effector assembly is operatively connected to a distal end of the shaft and has a pair of first and second jaw members that are movable relative to one another. A drive assembly operably couples to a handle assembly associated with the housing and is configured to impart movement of a respective jaw member when the handle assembly is actuated. A spring component operably associated with each of the jaw members is configured to provide a sealing force at the jaw members.

Electrosurgical forceps for video assisted thoracoscopic surgery and other surgical procedures

A surgical instrument includes a shaft defining an axis, an end effector coupled to a distal portion thereof, a fixed handle coupled to a proximal portion thereof, a drive bar, a movable handle, and a linkage. The drive bar is disposed within the shaft and operably coupled to the end effector. The movable handle is movable relative to the fixed handle between open and closed positions and is coupled to the drive bar via a first pin on the axis. The linkage includes a first end portion coupled to the movable handle via a second pin and a second end portion coupled to the shaft via a third pin on the axis. In the closed position of the movable handle, the second pin is disposed in a near-over-center position relative to the axis to reduce a force necessary to maintain the movable handle in the closed position.

Forceps having removable tips

An electronic forceps system includes a handle including a pair of pivotable arms distally extending from a proximal end of the handle, at least one arm of the pair of arms having an electrically-conductive arm element connectable to a power source, wherein each arm of the pair of arms comprises a respective pair of arm interfaces, and the electrically-conductive arm element extends to at least one interface of the pair of interfaces. Also provided is a pair of tips, at least one tip of the pair of tips having an electrically-conductive tip element, wherein each tip has a tip interface configured to removably connect to a respective arm interface, each tip has a distal working surface, the electrically-conductive tip element is configured to removably and electrically connect to the electrically-conductive arm element, the electrically-conductive tip element is connected to a heater.

ENERGY TREATMENT INSTRUMENT

An energy treatment instrument includes: a first jaw including a first holding surface including a first end region, a second end region and a first reference position; a second jaw including a second holding surface including a third end region, a fourth end region and a second reference position; a first electrode disposed in the first end region; and a second electrode disposed in one of the second end region and the fourth end region, electrical current being applied between the first electrode and the second electrode. In a state in which the first holding surface and the second holding surface face each other, a clearance between the first holding surface and the second holding surface is continuously changed toward the first reference position and the second reference position and a clearance between the first reference position and the second reference position is greatest. 1. An energy treatment instrument comprising: a first end region,', 'a second end region that is separated from the first end region, and', 'a first reference position that is located between the first end region and the second end region;, 'a first jaw that includes a first holding surface, the first holding surface including'} a third end region formed by projecting the first end region onto the second holding surface in a state in which the first holding surface and the second holding surface face each other,', 'a fourth end region formed by projecting the second end region onto the second holding surface in the state in which the first holding surface and the second holding surface face each other, and', 'a second reference position formed by projecting the first reference position onto the second holding surface in the state in which the first holding surface and the second holding surface face each other;, 'a second jaw that includes a second holding surface that holds biological tissue with the first holding surface, the second holding surface including'}a first electrode that is ...

Surgical forceps and latching system

A surgical forceps comprising: a first working arm and a second working arm configured to move towards and away from each other; and an electromagnetic latching system; wherein the electromagnetic latching system is configured to create a force that is in a direction aligned with closing of the forceps or opposite to the closing of the forceps when an electromagnetic activation button is depressed.

RECONFIGURABLE ELECTROSURGICAL DEVICE

An electrosurgical device comprising: forceps including: (i) a first working arm and (ii) a second working arm; a blade; wherein the electrosurgical device is capable of being switched between: (A) a first mechanical configuration where the first working arm and second working arm are free to move in a direction towards each other to grasp tissue therebetween; (B) a second mechanical configuration where the first working arm and second working arm are secured together by an arm securing mechanism that prevents movement of the first working arm and the second working arm in a direction towards each other; and (C) a third mechanical configuration where the first working arm and second working arm are secured together so that the first working arm and the second working arm are prevented from moving in a direction towards each other, and the blade is substantially flush with or extend beyond a distal end of the first working arm and the second working arm; and wherein the electrosurgical device is configured to: deliver a bipolar current between the first working arm and the second working arm, and to prevent current from flowing from the blade when the electrosurgical device is in the first mechanical configuration and the second mechanical configuration; and deliver current through the blade when the electrosurgical device is in the third mechanical configuration. 1. An electrosurgical device comprising: i. a first working arm and', 'ii. a second working arm;, 'forceps includinga blade; A. a first mechanical configuration where the first working arm and second working arm are free to move in a direction towards each other to grasp tissue therebetween;', 'B. a second mechanical configuration where the first working arm and second working arm are secured together by an arm securing mechanism that prevents movement of the first working arm and the second working arm in a direction towards each other; and', 'C. a third mechanical configuration where the first working arm ...

Surgical Tool Positioning Based on Sensed Parameters

Devices, systems, and methods are provided in which movement of a tool is controlled based on sensed parameters. In one embodiment, an electromechanical tool is provided having an instrument shaft and an end effector formed thereon. The electromechanical tool is configured to be mounted on an electromechanical arm, and the electromechanical tool is configured to move with or relative to the electromechanical arm and perform surgical functions. A controller is operatively coupled to the electromechanical arm and the electromechanical tool and is configured to retard advancement of the electromechanical tool toward a tissue surface based on a sensed amount of displacement of a tissue surface, a strain on the tissue of the patient, the temperature of the electromechanical tool, or the like. 1. A surgical system , comprising:an electromechanical arm configured for movement in multiple axes;an electromechanical tool having an instrument shaft and an end effector formed thereon, the electromechanical tool being configured to be mounted on the electromechanical arm, and the electromechanical tool being configured to move with or relative to the electromechanical arm and apply energy to tissue engaged by the end effector; anda controller operatively coupled to the electromechanical arm and the electromechanical tool, the controller configured to retard advancement of the electromechanical tool toward a tissue surface based on a sensed temperature of the end effector.2. The surgical system of claim 1 , further comprising a sensor configured to sense the temperature of the end effector.3. The surgical system of claim 2 , wherein the sensor comprises an IR sensor.4. The surgical system of claim 2 , wherein the sensor comprises a thermocouple disposed on the end effector.5. The surgical system of claim 1 , further comprising a sensor configured to sense a position of the end effector relative to a tissue surface.6. The surgical system of claim 1 , wherein the controller is ...

SURGICAL FORCEPS

A forceps includes a pair of shafts each having a jaw member disposed at a distal end thereof. One (or both) of the shafts is moveable relative to the other about a pivot pin between a spaced-apart position and an approximated position to move the jaw members between an open position and a closed position. A knife assembly includes a knife blade mechanically keyed to the pivot pin and moveable between an initial position, wherein the knife blade is disposed within one of the jaw members, and an extended position, wherein the knife blade extends between the jaw members. An actuator arm(s) is mechanically keyed to the pivot pin and extends therefrom. The actuator arm(s) is moveable between an un-actuated position and an actuated position to rotate the pivot pin relative to the jaw members to move the knife blade between the initial position and the extended position. 120-. (canceled)21. A forceps , comprising: first and second jaw members; and', 'a pivot pin coupling the first and second jaw members to one another, wherein the first and second jaw members are movable relative to one another about the pivot pin between an open position and a closed position; and, 'an end effector assembly including a knife blade mechanically keyed to the pivot pin and movable between an initial position wherein the knife blade is disposed within one of the first and second jaw members, and an extended position wherein the knife blade extends at least partially between the first and second jaw members; and', 'an actuator mechanically keyed to the pivot pin and extending therefrom, the actuator selectively actuatable to rotate the pivot pin relative to the first and second jaw members to move the knife blade from the initial position to the extended position., 'a knife assembly, including22. The forceps according to claim 21 , wherein at least one of the first and second jaw members includes a seal plate adapted to connect to a source of energy.23. The forceps according to claim 21 , ...

METHODS OF MANUFACTURING JAW MEMBERS OF AN END-EFFECTOR ASSEMBLY FOR A SURGICAL INSTRUMENT

A method of manufacturing a jaw member of an end-effector assembly includes forming one or more stress-relief cavities within a sealing plate. Each one of the one or more stress-relief cavities defines a pad portion of an electrically-conductive surface of the sealing plate. The method also includes forming a stop member on each pad portion of the electrically-conductive surface of the sealing plate, performing an overmolding operation wherein the one or more stress-relief cavities is configured to prevent force applied to a bottom surface of the sealing plate during the overmolding operation from stressing each pad portion to avoid compromising adhesion between the stop member and the electrically-conductive surface of the sealing plate. 1. A method of manufacturing a jaw member of an end-effector assembly , comprising:forming at least one stress-relief cavity within a sealing plate, each one of the at least one stress-relief cavities defining a pad portion of an electrically-conductive surface of the sealing plate;forming a stop member on each pad portion of the electrically-conductive surface of the sealing plate; andperforming an overmolding operation wherein the at least one stress-relief cavity is configured to prevent force applied to a bottom surface of the sealing plate during the overmolding operation from stressing each pad portion to avoid compromising adhesion between the stop member and the electrically-conductive surface of the sealing plate.2. The method of claim 1 , wherein forming at least one stress-relief cavity includes forming a first portion of each one of the at least one stress-relief cavities configured to facilitate the formation of a stop member having a circle-like shape.3. The method of claim 1 , wherein forming at least one stress-relief cavity includes forming a second portion of each one of the at least one stress-relief cavities configured to prevent stress from external forces applied to the sealing plate from compromising adhesion ...

SURGICAL INSTRUMENT CARTRIDGE SENSOR ASSEMBLIES

Various cartridge assemblies for surgical instruments are provided. Cartridge assemblies can include active sensors for applying stimuli to a tissue clamped by an end effector of the surgical instrument and a circuit configured to determine a tissue type of the tissue according to a change in the tissue parameter detected by the sensor resulting from a stimulus from the active element. Cartridge assemblies can also include physical features and/or stored data that identify the cartridge. Surgical instruments further can be configured to resolve conflicts when the physical features and/or stored data are not consistent with each other in their identification of the cartridge type. 1. A cartridge for a surgical instrument configured to grasp a tissue , the cartridge comprising: an active element configured to stimulate the tissue; and', 'a sensor configured to take measurements corresponding to a tissue parameter associated with the tissue;', 'wherein the circuit is configured to determine a tissue type of the tissue according to a change in the tissue parameter detected by the sensor resulting from a stimulus from the active element., 'a circuit, comprising2. The cartridge of claim 1 , wherein the active element comprises a heating element and the stimulus comprises thermal energy.3. The cartridge of claim 2 , wherein the sensor is configured to measure a change in a temperature of the tissue resulting from the thermal energy applied by the heating element.4. The cartridge of claim 1 , wherein the active element comprises a pressure-applying element and the stimulus comprises pressure.5. The cartridge of claim 4 , wherein the pressure-applying element comprises an electroactive polymer.6. The cartridge of claim 4 , wherein the sensor is configured to measure a viscoelastic response of the tissue resulting from the pressure applied by the pressure-applying element.7. The cartridge of claim 1 , wherein the circuit comprises a flex circuit.8. The cartridge of claim 1 , ...

ADJUSTABLE LENGTH LAPAROSCOPIC INSTRUMENT

An adjustable length laparoscopic instrument is provided. The instrument includes a shaft with a shaft distal end and a shaft proximal end. The instrument further includes an actuation rod with an actuation rode distal end and an actuation rod proximal end. The actuation rod is receivable by the shaft such that the actuation rod can translate longitudinally relative to the shaft to actuate an end effector. The instrument further includes a handle configured to hold the shaft and the actuation rod. The handle is configured to cause the actuation rod to translate longitudinally relative to the shaft to actuate the end effector. The instrument further includes a length adjustment mechanism configured to adjust a shaft length. The shaft length is defined between the handle and the shaft distal end. 1. A laparoscopic instrument comprising:a shaft comprising a shaft distal end and a shaft proximal end;an actuation rod comprising an actuation rod distal end and an actuation rod proximal end, the actuation rod receivable by the shaft such that the actuation rod will translate longitudinally relative to the shaft to actuate an end effector;a handle configured to hold the shaft and the actuation rod, the handle configured to cause the actuation rod to translate longitudinally relative to the shaft to actuate the end effector; anda length adjustment mechanism configured to adjust a shaft length, the shaft length defined between the handle and the shaft distal end.2. The laparoscopic instrument of claim 1 , where the length adjustment mechanism is further configured to simultaneously adjust the shaft length and an actuation rod length claim 1 , the actuation rod length defined longitudinally between the handle and the distal end of the actuation rod.3. The laparoscopic instrument of claim 1 , where the length adjustment mechanism is further configured to adjust the actuation rod length without changing an end separation distance claim 1 , the end separation distance defined ...

BLADE LOCKOUT MECHANISM FOR SURGICAL FORCEPS

A forceps includes first and second shaft members and a trigger assembly. The first and second shaft members each have a jaw member disposed at a distal end thereof. One or both of the jaw members are moveable to position the jaw members between an open position and a closed position. One of the jaw members is configured for reciprocation of a blade therethrough. The trigger assembly is movable between unactuated and actuated positions to selectively translate the blade between a retracted position and one or more extended positions. The blade extends at least partially through one or both of the jaw members in the one or more extended positions such that when the blade is disposed in the one or more extended positions, the trigger assembly is configured to move to the unactuated position upon movement of the jaw members from the closed position to the open position. 1. (canceled)2. An electrosurgical forceps , comprising:a first shaft member having a first handle disposed at a proximal end thereof and a first jaw member at a distal end thereof;a second shaft member having a second handle disposed at a proximal end thereof and a second jaw member at a distal end thereof, the first and second handles movable relative to one another to pivot the first and second shaft members relative to one another about a pivot to move the first and second jaw members between an open position and a closed position, at least one of the first or second jaw members adapted to connect to an electrosurgical energy source;a blade configured to move between a retracted position and an extended position, the blade configured to extend through the pivot and at least partially through the first and second jaw members when the blade is in the extended position;a trigger coupled to one of the first or second shaft members and configured to rotate between an unactuated position and an actuated position, the trigger including a first camming surface configured to engage a second camming surface ...

COUPLING MEANS CONNECTING AN ELECTROSURGICAL INSTRUMENT TO A VACUUM SOURCE, AN ELECTROSURGICAL INSTRUMENT PROVIDED WITH THE COUPLING MEANS, A KIT INCLUDING THE COUPLING MEANS AND THEIR USES

A coupling means () serves for connecting a suction channel () of an electrosurgical instrument () to a vacuum source via a suction tubing () and/or for guiding an electrical cable (), that supplies electrical energy from an electrosurgical generator to the electrosurgical instrument (). The electrosurgical instrument () comprises a hollow elongated main body () having a first end () for securing a first means () for application of the electrical energy to a surgical site and an opposite second end (), which hollow elongated main body () has a switch means () to be operated by means of an associated actuator () to control application of the electrical energy to the surgical site. The coupling means () comprises at least a first coupling part (″) for inserting between the second end () of the hollow elongated main body () and the suction tubing (), which first coupling part (″) is configured to attach the suction tubing () in tandem with said hollow elongated main body () and/or to accommodate the electrical cable () exiting the hollow elongated main body () along the longitudinal axis of said first coupling part (″). A kit including the coupling means and other components for an electrosurgical instrument is also disclosed. 1. A coupling means for connecting a suction channel of an electrosurgical instrument to a vacuum source via a suction tubing and/or for guiding an electrical cable that supplies electrical energy from an electrosurgical generator to the electrosurgical instrument , the electrosurgical instrument comprises a hollow elongated main body having a first end for securing a first means for application of the electrical energy to a surgical site and an opposite second end , which hollow elongated main body has a switch means to be operated by means of an associated actuator to control application of the electrical energy to the surgical site , wherein the coupling means comprises at least a first coupling part for inserting between the second end of the ...

ELECTROSURGICAL INSTRUMENT

An electrosurgical instrument and apparatus for use with the instrument A bipolar electrosurgical instrument for use with an electrosurgical generator. The bipolar electrosurgical instrument incorporates a transformer having an input side or end electrically connected to the electrosurgical generator and an output side or end electrically connected to said bipolar electrosurgical instrument. The inexpensive bipolar electrosurgical instrument can be used with most conventional bipolar electrosurgical generators as well as with bipolar electrosurgical generators specifically designed for use with said instrument. 1. A handheld electrosurgical instrument with a connector for connection of the electrosurgical instrument to an electrosurgical generator , electrode means , and a handle for manipulating the electrode means , wherein the electrosurgical instrument incorporates a transformer having an input electrically connected to the connector and an output electrically connected to the electrode means , the transformer being a step-up transformer adapted to increase the voltage of an electrical signal from the generator to the electrode means , wherein the transformer is incorporated inside the handle.2. The electrosurgical instrument according to claim 1 , where the transformer comprises adjustment means for adjusting the ratio between voltage of the electrical signal from the generator and voltage of the electrical signal to the electrode means.3. The electrosurgical instrument according to claim 1 , wherein the transformer comprises a core claim 1 , a primary coil having a first number of windings claim 1 , and a secondary coil with a second number that is higher than the first number of windings.4. The electrosurgical instrument according to claim 3 , wherein the second number of windings is at least 1.3 times the first number of windings.5. The electrosurgical instrument according to claim 3 , wherein that the secondary coil is connected to one of the electrodes.6. ...

ELONGATED ELECTROSURGICAL INSTRUMENT, A SUCTION TIP FOR THE ELECTROSURGICAL INSTRUMENT AND METHOD OF ADJUSTING THE AXIAL POSITION OF THE SUCTION TIP ON THE ELECTROSURGICAL INSTRUMENT

An elongated electrosurgical instrument () serves to at least cutting tissue of a patient during surgery by application of electrical energy supplied from an electrosurgical generator to a surgical site. The electrosurgical instrument has a hollow elongated main body () with an electrode means (). Suction means comprises a suction channel () extending inside the hollow elongated main body (), a first suction port () arranged facing the first means (), a second suction port () provided with a suction tubing () in communication with the vacuum source, and a suction tip (). The suction tip () has a coupling end part () that has a first engagement means () for engagement with a second engagement () means provided on the hollow elongated main body (). The first engagement means () and the second engagement means () are configured so that an axial position of the suction tip () in relation to the first means () is adjustable in response to movement of the suction tip () about and/or along a longitudinal axis (A) of said suction tip (). The invention provides the possibility of combining separate components into plural different electrosurgical instruments and thus offers the surgeon a hitherto unknown possibility of creating his/her favourite tool with excellent suction properties. 1. An elongated electrosurgical instrument comprisinga first means for at least cutting tissue of a patient during surgery by application of electrical energy supplied from an electrosurgical generator to a surgical site,a hollow elongated main body having a first end and an opposite second end, which first end has a first opening through which the first means protrudes, and which second end is configured for being electrically coupled to the electrosurgical generator and a vacuum source,a suction means for removing at least smoke from the surgical site,the suction means comprises a suction channel extending inside the hollow elongated main body, a first suction port arranged facing the first ...

Medical device

A medical device that includes a support member, a heat insulator provided on at least a portion of a first surface of the support member, an energy output member configured to output energy, the energy output member provided on at least a portion of a first surface of the heat insulator, the output energy configured to treat biological tissue and a heat conductor provided on at least a portion of the first surface of the support member and contacting a second surface of the heat insulator, the second surface of the heat insulator opposite the first surface of the heat insulator, wherein a portion of the support member is located proximal than the energy output, and the energy output member is configured to transfer heat to the heat insulator, and wherein the heat conductor is configured to conduct the heat from the heat insulator to the support member.

SURGICAL DEVICE

A surgical device includes a longitudinal first leg having a first distal tip portion pivotably coupled to a longitudinal second leg having a second distal tip portion. The first and second legs are transitionable between a first position such that the first and second tip portions are spaced apart from each other and a second position where the first and second tip portions are proximate each other. The first tip portion includes a concave face and the second tip portion includes a convex face configured such that the first and second faces oppose each other in the first and second positions and touch each other in the second position. The convex face fits within the concave face in the second position. 1. An surgical device , comprising:a longitudinal first leg having a first distal tip portion;a longitudinal second leg having a second distal tip portion, the first leg pivotably coupled to the second leg, wherein the first and second legs are transitionable between a first position such that the first and second tip portions are spaced apart from each other and a second position where the first and second tip portions are proximate each other;wherein the first tip portion includes a concave face and the second tip portion includes a convex face such that the first and second faces oppose each other in the first and second positions and touch each other in the second position;wherein the convex face fits within the concave face in the second position.2. The surgical device of claim 1 , wherein the first leg includes a first proximal portion and the second leg includes a second proximal portion claim 1 , and the first proximal portion is coupled to the second proximal portion to form a hinge.3. The surgical device of claim 2 , wherein the first proximal portion is fused to the second proximal portion.4. The surgical device of claim 2 , wherein the first and second legs are yieldably urged apart in the first position and transitionable under force to a second ...

Tissue Joiner

Developed is a tissue joining device for endoscopic surgery, which can be used in NOTES, or the like. As a result of intensive studies carried out to solve the problem described above, the inventors of the present invention have conceived of two tissue joining device having quite novel structures and completed the present invention.

Surgical device using energy

A surgical device configured to apply energy to a biological tissue as a treatment target, and treat the biological tissue, includes: first and second jaws relatively openable/closable to each other to enable holding the biological tissue including the treatment target and its surrounding tissue; a pair of first holding sections provided respectively on inner sides of outer edges of the first and second jaws, and configured to hold the biological tissue; an energy discharge section provided on at least one of the pair of first holding sections, and configured to give energy for a treatment to the biological tissue; and a pair of second holding sections which are provided respectively between the first holding sections and the outer edges of the first and second jaws, and configured to hold the surrounding tissue of the biological tissue while bending the surrounding tissue with respect to the biological tissue.

TREATMENT DEVICE FOR MEDICAL TREATMENT

A treatment device for a medical treatment heats a biotissue. The device includes first and second heat transfer portions which come in contact with the biotissue. The device includes first and second resistance elements which are supplied a power having a first power value and a second power value to heat the first heat transfer portion and second heat transfer portion, respectively. The device includes temperature acquiring section which acquires a first temperature of the first heat transfer portion. The device includes a control section which calculates the first power value based on the first temperature, and determines the second power value corresponding to the first power value. The device includes first and second power supplying sections which supply the power having the first and second power value to the first and second resistance elements, respectively. 1. A treatment device for a medical treatment configured to heat a biotissue at a desired temperature to perform the medical treatment , the device comprising:a first heat transfer portion configured to come in contact with the biotissue to transfer heat to the biotissue;a second heat transfer portion configured to move relatively to the first heat transfer portion, and hold the biotissue together with the first heat transfer portion to transfer the heat to the biotissue;a first resistance element to which a power having a first power value is supplied to heat the first heat transfer portion;a second resistance element to which a power having a second power value is supplied to heat the second heat transfer portion;a temperature acquiring section configured to acquire a temperature of the first heat transfer portion as a first temperature;a control section configured to calculate the first power value to set the first temperature to the desired temperature based on the first temperature, and determine the second power value corresponding to the first power value;a first power supplying section ...

Energy treatment apparatus

In an energy treatment apparatus, maximum source electric power of source electric power output from an electric power source is defined, first energy is generated by supplying first driving electric power to a first energy generator due to the source electric power, and second energy is generated by supplying second driving electric power to a second energy generator due to the source electric power. A controller keep the sum of the first driving electric power and the second driving electric power that are supplied per unit time less than or equal to the maximum source electric power of the electric power source continuously with time.

Treatment system and control apparatus

A treatment system includes a control apparatus having respective first and second output sources that supplies respective high-frequency power defined by a first electrical energy and a second electrical energy. The control apparatus includes a processor configured to acquire a first value based on the first electrical energy and a second value based on the second electrical energy. Based on the first value, the processor determines influence given to the second value by the first electrical energy. Based on the influence given to the second value, the processor adjusts an output instruction value to the second output source by the first electrical energy and the second value based on the second electrical energy. The control apparatus is configured to properly calculate a physical quantity relating to the first and second electrical energies even when an electrical noise is generated in a state in which multiple electrical energies are simultaneously supplied.

WIRE RETENTION UNIT FOR A SURGICAL INSTRUMENT

An electrosurgical instrument includes a housing including an elongated shaft. A stationary actuation member is axially disposed within the elongated shaft and includes a cam pin. An actuating mechanism is operably coupled to the elongated shaft and is moveable relative to the housing to selectively cause movement of the elongated shaft. An end effector includes a pair of opposing first and second jaw members operably coupled about a common pivot. One or both of the jaw members includes a camming slot configured to engage the cam pin. Each jaw member includes an electrically conductive tissue sealing surface adapted to connect to a source of electrosurgical energy. A knife blade is supported in the elongated shaft and moveable in a longitudinal direction to cut tissue disposed between the jaw members. A wire retention unit is supported within the housing and includes a plurality of wire clasps and a plurality of guide ribs configured to define at least one wire path. 1. A surgical instrument , comprising:a housing including an elongated shaft having distal and proximal portions, the proximal portion coupled to the housing, the elongated shaft defining a longitudinal axis;a stationary actuation member axially disposed within the elongated shaft, the actuation member including a cam pin mechanically coupled to a distal end thereof;an end effector including a pair of opposing first and second jaw members operably coupled about a common pivot such that at least one of the jaw members is movable relative to the other jaw member from a first position wherein the jaw members are disposed in spaced relation relative to one another to a second position wherein the jaw members cooperate to grasp tissue therebetween, each jaw member including an electrically conductive tissue sealing surface extending along a length thereof, each tissue sealing surface adapted to connect to a source of electrosurgical energy for conducting electrosurgical energy through tissue grasped ...

DYNAMIC AND STATIC BIPOLAR ELECTRICAL SEALING AND CUTTING DEVICE

An end effector assembly includes opposed jaws moveable from an open to a closed position for grasping tissue therebetween. Each jaw includes an electrically conductive surface adapted to conduct electrosurgical energy through tissue disposed between the jaws. A static bipolar cutting portion including at least one electrically conductive cutting element and at least one insulating element having a first configuration is disposed on at least one of the jaws. The static cutting portion is configured to electrically cut tissue disposed between the jaws upon activation of the cutting element and at least one of an opposing sealing surface and an opposing cutting element. A dynamic cutting portion including at least one electrically conductive cutting element and at least one insulating element having a second configuration is disposed on at least one of the jaws. The dynamic cutting portion electrically transects tissue during movement relative to tissue. 110-. (canceled)11. A method of treating tissue , comprising: first and second jaw members coupled to one another;', 'a static electrical cutting portion disposed on at least one of the jaw members, the static electrical cutting portion including at least one first electrically conductive cutting element and at least one first insulating element cooperating to define a first configuration; and', 'a dynamic electrical cutting portion disposed on at least one of the jaw members, the dynamic electrical cutting portion including at least one second electrically conductive cutting element and at least one second insulating element cooperating to define a second configuration different from the first configuration;, 'providing an end effector assembly includinggrasping tissue between the first and second jaw members;energizing the at least one first electrically conductive cutting element to electrically cut tissue statically grasped between the first and second jaw members;releasing the grasped tissue;energizing the at ...

SYSTEM AND METHOD FOR FORCE OR TORQUE LIMIT COMPENSATION

A system and method of force or torque limit compensation includes a surgical instrument for use with a computer-assisted medical device. The surgical instrument includes an end effector located at a distal end of the instrument, a drive unit for operating a degree of freedom of the instrument, a shaft coupled to the drive unit, and one or more drive mechanisms in the shaft for coupling force or torque from the drive unit to the end effector and the articulated wrist. To control the degree of freedom, the instrument is configured to determine a current position of the degree of freedom, determine a force or torque limit compensation based on the current position, alter one or more force or torque limits based on the force or torque limit compensation, and adjust the degree of freedom subject to the one or more force or torque limits. 1. A method of operating an instrument for using with a computer-assisted device comprising:determining, by a control unit, a current position of a degree of freedom of the instrument;determining, by the control unit, a force or torque limit compensation based on the current position;altering, by the control unit, one or more force or torque limits based on the force or torque limit compensation; andadjusting, by the control unit using a drive unit, the degree of freedom subject to the one or more force or torque limits.2. The method of claim 1 , wherein the degree of freedom is associated with:an angle of gripping jaws of an end effector of the instrument;an amount of extension of a cutting blade of the end effector; ora flex angle of an articulated wrist coupling the end effector to a shaft of the instrument.3. The method of claim 1 , wherein the one or more force or torque limits include an upper limit associated with a maximum force or torque that may be applied to adjust the degree of freedom.4. The method of claim 1 , wherein the one or more force or torque limits include an upper limit and a lower limit specifying a range of ...

FORCEPS DEVICE AND SURGICAL SYSTEM

Provided is a forceps device including: an elongated body portion; a pair of gripping pieces that are provided at a distal end of the body portion, at least one of which possesses conductivity; a motive-power output portion that is provided at a base end of the body portion; a motive-power converting mechanism that connects the pair of gripping pieces and the motive-power output portion, and that converts motive power output by the motive-power output portion into relative opening/closing motions of the pair of gripping pieces; and an insulating member that is provided in a pathway connecting the pair of gripping pieces and the motive-power output portion via the motive-power converting mechanism. 1. A forceps device comprising:an elongated body portion;a pair of gripping pieces that are provided at a distal end of the body portion, at least one of which possesses conductivity, and that can be opened/closed relative to each other;a motive-power output portion that is provided at a base end of the body portion and that outputs motive power;a motive-power converting mechanism that connects the pair of gripping pieces and the motive-power output portion, and that converts the motive power output by the motive-power output portion into relative opening/closing motions of the pair of gripping pieces; andan insulating member that is provided in a pathway connecting the pair of gripping pieces and the motive-power output portion via the motive-power converting mechanism, and that electrically insulates the pair of gripping pieces and the motive-power output portion from each other.2. A forceps device according to claim 1 , wherein the insulating member is at least one of a plurality of components constituting the motive-power converting mechanism.3. A forceps device according to claim 1 , wherein the motive-power converting mechanism is provided with:a manipulation wire that is placed along a longitudinal direction in the body portion and that is made to undergo linear ...

THREAD-LIKE KNIFE FOR TISSUE CUTTING

An end effector assembly for use with an electrosurgical instrument is provided. The end effector assembly includes a pair of opposing jaw members configured to grasp tissue therebetween. The assembly also includes a thread-like member having a first end coupled to at least one jaw member and a drive member coupled to a second end of the thread-like member. The drive member is configured to position the thread-like member between a first position and a second position, wherein the thread-like member cuts tissue when positioned in the second position. 118-. (canceled)19. An end effector assembly , comprising:a first jaw member and a second opposing jaw member, at least one of the first or second jaw members movable relative to the other from a first position wherein the jaw members are spaced relative to one another to a second position wherein the jaw members are closer to one another and configured to grasp tissue within a space defined therebetween;a thread-like member having a first end fixed to a proximal portion of the first jaw member, a cutting portion configured to loop around a guiding roll disposed in a distal portion of the second jaw member, and a second end fixed to the proximal portion of the first jaw member;a moveable guide roll disposed in the first jaw member and configured to engage and guide the thread-like member; anda drive member operably connected to the first jaw member and configured to engage and move the movable guide roll distally from a proximal position to a distal position which, in turn, stretches and rolls the thread-like member over the moveable guide roll and the guide roll as the thread-like member is forced distally through the space between the first and second jaw members.20. The end effector assembly according to claim 19 , wherein the second end of the thread-like member is positioned proximal of the first end of the thread-like member.21. The end effector assembly according to claim 19 , wherein the cutting portion of the ...

MEDICAL SYSTEMS, DEVICES, AND RELATED METHODS

In one example, a medical device may be adapted for use with a delivery device, and the medical device may include a handle including at least one actuator; a body adapted to releasably mount to a distal portion of the delivery device, the body supporting a pair of jaws rotatably coupled to the body; and a control wire coupled to the pair of jaws and the actuator. The actuator may be configured to open and close the pair of jaws.

SURGICAL INSTRUMENTS WITH AN END-EFFECTOR ASSEMBLY INCLUDING OPTICAL FIBER FOR TREATING TISSUE

An end-effector assembly includes first and second jaw members, a first outer housing associated with the first jaw member, and a second outer housing associated with the second jaw member. Each of the first and second jaw members includes a sealing plate. One or both of the first and second jaw members is movable from a first position wherein the jaw members are disposed in spaced relation relative to one another to a second position wherein the sealing plates cooperate to grasp tissue therebetween. One or more longitudinal-firing optical fibers are associated with either one or both of the first and second outer housings. One or more transverse-firing optical fibers are associated with either one or both of the first and second jaw members. 1. An end-effector assembly , comprising:first and second jaw members, each of the first and second jaw members including a sealing plate, at least one of the first and second jaw members movable from a first position wherein the jaw members are disposed in spaced relation relative to one another to a second position wherein the sealing plates cooperate to grasp tissue therebetween;at least one longitudinal-firing optical fiber disposed in at least one of the first jaw member or the second jaw member; andat least one transverse-firing optical fiber disposed in at least one of the first jaw member or the second jaw member.2. The end-effector assembly of claim 1 , wherein the longitudinal-firing optical fiber is configured to output light along a longitudinal axis defined by the longitudinal-firing optical fiber.3. The end-effector assembly of claim 1 , wherein the transverse-firing optical fiber is configured to output light along a plane perpendicular to a longitudinal axis defined by the transverse-firing optical fiber.4. A forceps claim 1 , comprising:a housing;a shaft including a distal end and a proximal end, the proximal end operatively coupled to the housing, the shaft defining a longitudinal axis;an end-effector assembly ...

ELECTROSURGICAL INSTRUMENT

A surgical instrument having a first jaw and a second jaw arranged in a hinged manner with respect to each other. A tool is slidably supported in a longitudinal direction in a tool channel, preferably in or on the first jaw. The tool may be moved in longitudinal direction by an actuation device. The actuation device has an actuation element and a drive element that are pivotably supported around a pivot axis, preferably on the first jaw. A rotational coupling may be established between the actuation element and the drive element via a coupling device. 1. A surgical instrument comprising:a first jaw and a second jaw that are supported on one another in a hinged manner and that can be pivoted between an open position and a closed position relative to each other;a tool that is movably supported in a longitudinal direction in a guided manner on or in the first jaw;an actuation element and a drive element that are pivotably supported around a pivot axis on first jaw, whereby the drive element is movably coupled with the tool; anda coupling device comprising a coupling element configured to be moved between a coupling position and a decoupling position and configured to establish a rotational coupling between the actuation element and the drive element in the coupling position and to allow a relative rotation between the actuation element and the drive element in the decoupling position.2. The surgical instrument according to claim 1 , wherein the coupling element is movable by means of the second jaw.3. The surgical instrument according to claim 1 , wherein the second jaw is configured to move the coupling element out of the decoupling position and into the coupling position if the first jaw and the second jaw are pivoted relative to one another into the closed position.4. The surgical instrument according to claim 1 , wherein the drive element comprises a coupling recess into which the coupling element projects in coupling position.5. The surgical instrument according ...

GRASPING TREATMENT INSTRUMENT

A grasping treatment instrument includes a sheath, a first grasping piece provided at a distal end of the sheath, a second grasping piece and a movable member. The second grasping piece is connected to the sheath at a first rotation axis perpendicular to a longitudinal axis of the sheath. The movable member is connected to the second grasping piece at the second rotation axis parallel to the first rotation axis, and is configured to move along the longitudinal axis. The first rotation axis is configured to move within the sheath or the second grasping piece in a plane perpendicular to the first rotation axis. The second rotation axis is configured to move within the movable member or the second grasping piece in a plane perpendicular to the second rotation axis. 1. A grasping treatment instrument comprising:a sheath;a first grasping piece provided at a distal end of the sheath;a second grasping piece connected to the sheath to rotate about a first rotation axis perpendicular to a longitudinal axis of the sheath so as to be opened and closed with respect to the first grasping piece;a movable member connected to the second grasping piece, and configured to move along the longitudinal axis; anda second rotation axis connecting the second grasping piece and the movable member, provided in parallel with the first rotation axis, and configured to convert movement of the movable member along the longitudinal axis into movement of the second grasping piece in an opening/closing direction,wherein the first rotation axis is rotatable and movable in the opening/closing direction with respect to at least one of the sheath and the second grasping piece, andthe second rotation axis is rotatable and movable in the opening/closing direction with respect to at least one of the movable member and the second grasping piece.2. The grasping treatment instrument according to claim 1 , whereinone of the second grasping piece and the movable member is provided with a second axis member ...

TREATMENT TOOL

A treatment tool includes a rotary member that is rotatable in unison with an elongated member such as a sheath or shaft and an end effector around a predetermined axis of rotation with respect to a housing. The rotary member includes a first ridge and a second ridge each of which projects to an outer circumferential side. The second ridge is contiguous to a distal-end side of the first ridge. A second distance from the axis of rotation to a protrusive end of the second ridge is longer than a first distance from the axis of rotation to a protrusive end of the first ridge. 1. A treatment tool comprising:a housing;an elongated member having respective proximal and distal ends wherein the elongated member configured to be attached to the housing via the proximal end, the elongated member being rotatable around an axis of rotation with respect to the housing;an end effector configured to be attached to the distal-end of the elongated member; anda rotary member configured to be attached to the elongated member, the rotary member being rotatable in unison with the elongated member and the end effector around the axis of rotation, the rotary member having at least respective first and second ridges wherein the at least first ridge being projected to an outer circumferential side and having a first distance from the axis of rotation to a protrusive end thereof and the at least second ridge being contiguous to a distal-end side of the at least first ridge, projecting to the outer circumferential side and having a second distance from the axis of rotation to a protrusive end thereof, the second distance being longer than the first distance.2. The treatment tool of claim 1 , wherein the at least second ridge includes a recess formed in the circumferential directions of the rotary member.3. The treatment tool of claim 2 , wherein the recess that defined in the at least second ridge is shaped so as to fit over the pad of an index finger.4. The treatment tool of claim 1 , wherein ...

Methods and devices to treat nasal airways

Methods and devices for treating nasal airways are provided. Such devices and methods may improve airflow through an internal and/or external nasal valve, and comprise the use of mechanical re-shaping, energy application and other treatments to modify the shape, structure, and/or air flow characteristics of an internal nasal valve, an external nasal valve or other nasal airways.

Pediatric Combination Surgical Device

A combination surgical device is provided and includes a dissection blade moveably mounted in a first jaw of the surgical device. The surgical device includes a second jaw movably mounted relative to the first jaw and a handle assembly. The handle assembly includes an advancement mechanism for incrementally advancing the blade out of the first jaw and a lever to open and close the first and second jaws. A lock member is provided to maintain the blade in an extended condition and a release lever is provided to disable the lock member. The surgical device additionally includes a safety or lock out mechanism which prevents the jaws from moving while the blade is in the extended condition.

Energy treatment device

An energy treatment device includes a treatment portion that receives a supply of energy and treats a treatment target, a controller that controls the supply of energy with respect to the treatment portion, a converter that is configured to receive heat energy generated with the treatment of the treatment target, and to convert a temperature difference into an electric energy, and a receiver that receives the electric energy converted at the converter.

METHOD OF MANUFACTURING A FLEXIBLE CIRCUIT ELECTRODE FOR ELECTROSURGICAL INSTRUMENT

The disclosure provides a method of manufacturing a flexible circuit electrode assembly and an apparatus manufactured by said method. According to the method, an electrically conductive sheet is laminated to an electrically insulative sheet. An electrode is formed on the electrically conductive sheet. An electrically insulative layer is formed on a tissue contacting surface of the electrode. The individual electrodes are separated from the laminated electrically insulative sheet and the electrically conductive sheet. In another method, a flexible circuit is vacuum formed to create a desired profile. The vacuum formed flexible circuit is trimmed. The trimmed vacuum formed flexible circuit is attached to a jaw member of a clamp jaw assembly. 125.-. (canceled)26. A method of manufacturing a flexible circuit electrode assembly , the method comprising:vacuum forming a flexible circuit;trimming the vacuum formed flexible circuit; andattaching the trimmed vacuum formed flexible circuit to a jaw member of a clamp jaw assembly.27. The method of claim 26 , further comprising:placing the vacuum formed flexible circuit in a molding tool; andmolding a substrate to support a profile of the vacuum formed flexible circuit.28. The method of claim 27 , wherein attaching the trimmed vacuum formed flexible circuit to the jaw member of the clamp jaw assembly comprises molding the trimmed vacuum formed flexible circuit over the jaw member.29. The method of claim 27 , wherein attaching the trimmed vacuum formed flexible circuit to a jaw member of a clamp jaw assembly comprises attaching the trimmed vacuum formed flexible circuit to a jaw member having a complementary jaw member profile to the profile of the vacuum formed flexible circuit.30. The method of claim 26 , wherein attaching the trimmed vacuum formed flexible circuit to the jaw member of the clamp jaw assembly comprises adhering the trimmed vacuum formed flexible circuit to the jaw member with adhesive.31. The method of claim 26 ...

LIVING TISSUE BONDING SYSTEM, TREATMENT INSTRUMENT CONTROL APPARATUS, AND OPERATION METHOD OF LIVING TISSUE BONDING SYSTEM

A living tissue bonding system includes a treatment instrument having a heating element which applies thermal energy to living tissue, an element temperature measuring section configured to measure an element temperature T of the heating element, a power source configured to generate power, a first calculating section configured to estimate a temperature difference ΔT between the element temperature T and a temperature T of the living tissue using a table or an equation stored beforehand in order to estimate the temperature difference ΔT based on an output value of the power source, a second calculating section configured to estimate the tissue temperature T from the element temperature T and the temperature difference ΔT estimated by the first calculating section, and a control section configured to control the power source based on the tissue temperature T estimated by the second calculating section. 1. A living tissue bonding system comprising:a clamping section configured to clamp living tissue;a power source configured to generate treatment energy for bonding the living tissue clamped by the clamping section;an output section provided on the clamping section and configured to output the treatment energy to the living tissue;a temperature measuring section configured to measure a temperature of the output section;a first calculating section configured to use a table or an equation stored beforehand and indicating a correlation between a temperature difference between the temperature of the output section measured in the temperature measuring section and a temperature of the living tissue clamped by the clamping section and an output value outputted from the power source to the clamping section, and to estimate the temperature difference from the table or the equation based on the output value of the power source according to an application time period of the treatment energy;a second calculating section configured to estimate the temperature of the living tissue ...

MULTI-FUNCTIONAL MEDICAL DEVICE AND RELATED METHODS OF USE

A medical device including an elongate member having a proximal end, a distal end, and a lumen extending therebetween. The medical device may further include an end-effector disposed at the distal end of the elongate member. The end-effector may include a plurality of arms pivotally connected to one another, wherein each arm includes a tissue-contacting surface, a first portion of the tissue-contacting surface including a plurality of ridges configured to grasp tissue. Further, the tissue-contacting surface may include a channel oriented substantially parallel to a longitudinal axis of the medical device. 120-. (canceled)21. A medical instrument comprising:a member having a proximal end and a distal end;an end effector having a first arm and a second arm, wherein the first arm and the second arm are coupled to the distal end of the member, and the first and the second arm are moveable relative to one another;a plurality of ridges extending along the first arm and the second arm; andan unridged portion on the first arm, facing the second arm, and proximal to at least some of the plurality of ridges of the first arm, wherein the unridged portion extends along an entire lateral width of the first arm, wherein a lateral direction is perpendicular to a longitudinal axis of the unridged portion, and wherein the longitudinal axis extends from a proximal end of the unridged portion to a distal end of the unridged portion.22. The medical instrument of claim 21 , further comprising: one or more staples positioned along at least a portion of the second arm claim 21 , opposite the unridged portion of the first arm claim 21 , wherein the unridged portion of the first arm includes an anvil for striking the one or more staples.23. The medical instrument of claim 22 , wherein the one or more staples are positioned opposite only the unridged portion of the first arm.24. The medical instrument of claim 21 , wherein axes of the plurality of ridges of the second arm intersect one ...

TREATMENT TOOL

A treatment tool includes: a treatment member configured to transmit heat to living tissue; an insulating substrate having a first surface that is joined to the treatment member and a second surface that is opposite to the first surface; a heat generation area that is arranged on the first surface, the heat generation area being configured to generate heat by supply of power; an interconnection area that is arranged on the second surface, the interconnection area being configured to supply the power to the heat generation area; and a first conductor configured to make conduction between the heat generation area and the interconnection area. 1. A treatment tool comprising:a treatment member configured to transmit heat to living tissue;an insulating substrate having a first surface that is joined to the treatment member and a second surface that is opposite to the first surface;a heat generation area that is arranged on the first surface, the heat generation area being configured to generate heat by supply of power;an interconnection area that is arranged on the second surface, the interconnection area being configured to supply the power to the heat generation area; anda first conductor configured to make conduction between the heat generation area and the interconnection area.2. The treatment tool according to claim 1 , wherein the interconnection area has a resistance-temperature coefficient smaller than a resistance-temperature coefficient of the heat generation area.3. The treatment tool according to claim 1 , wherein the interconnection area has a resistance value smaller than a resistance value of the heat generation area.4. The treatment tool according to claim 3 , wherein the interconnection area has an electrical resistivity smaller than an electrical resistivity of the heat generation area.5. The treatment tool according to claim 1 , wherein the interconnection area has a resistance-temperature coefficient claim 1 , a resistance value claim 1 , and an ...

PRESSURE SENSITIVE TISSUE TREATMENT DEVICE

Methods and devices for treating nasal airways are provided. Such devices and methods may improve airflow through an internal and/or external nasal valve, and comprise the use of mechanical re-shaping, energy application and other treatments to modify the shape, structure, and/or air flow characteristics of an internal nasal valve, an external nasal valve or other nasal airways. 1. A device for treating a patient's nasal airway , the device comprising:an elongate, rigid shaft having a proximal end and a distal end, and defining a longitudinal axis;a handle at the proximal end of the shaft;an elongate treatment element extending from the distal end of the elongate shaft, the treatment element having a length that is parallel to the longitudinal axis of the shaft;a pressure plate mounted to the treatment element via multiple springs, wherein the pressure plate comprises a front tissue-contact surface that faces in a direction perpendicular to the longitudinal axis of the shaft;at least two non-penetrating, bipolar, radiofrequency electrodes protruding from the front tissue-contact surface of the pressure plate; anda force transducer coupled with the treatment element and configured to measure an amount of force applied to the pressure plate when the pressure plate is pressed against tissue in the nasal airway.2. The device of claim 1 , wherein the front tissue-contact surface comprises a shallow convex shape defining a curve that is perpendicular to the longitudinal axis of the shaft.3. The device of claim 1 , further comprising a cooling mechanism coupled with the pressure plate for cooling the tissue in the nasal airway.4. The device of claim 1 , further comprising a controller coupled with the handle and configured to:receive the amount of force measured by the force transducer;determine whether the amount of force is equal to or greater than a minimum required amount of force for activating the at least two electrodes; anddeliver radiofrequency energy to the at ...

Electrosurgical Sealer and Divider

An electrosurgical instrument has a movable tissue cutting mechanism, a first elongated shaft housing at least a proximal portion of the movable tissue cutting mechanism, and a pair of jaws for clamping tissue. Each jaw of the pair of opposing jaws is rotatable relative to the first elongated shaft, and the movable tissue cutting mechanism is slidable relative to the first elongated shaft. A first link has a distal end rotatably coupled to a proximal one of a pair of non-conductive bushings in the first jaw and a proximal end rotatably coupled to a second elongated shaft, the second elongated shaft interior of and translatable relative the first elongated shaft. 1. An electrosurgical instrument comprising:a movable tissue cutting mechanism with an elongated slot therethrough;a first elongated shaft housing at least a proximal portion of the movable tissue cutting mechanism;a pair of opposing jaws having a first jaw and a second jaw, the pair of opposing jaws shaped and configured to move between a closed position for clamping and sealing tissue therebetween and an open position, each one of the pair of opposing jaws comprising an electrically conductive core member, an elongated slot for receiving the movable tissue cutting mechanism, and a sealing surface having a sealing surface area, wherein the first jaw has a first pair of non-conductive bushings, and the second jaw has a second pair of non-conductive bushings;a pin coupled to the first elongated shaft and extending through the elongated slot of the movable tissue cutting mechanism and a distal one of the pair of non-conductive bushings in each of the jaws, wherein each one of the pair of opposing jaws is rotatable relative to the first elongated shaft, and wherein the movable tissue cutting mechanism is slidable relative to the first elongated shaft; anda first link having a distal end rotatably coupled to a proximal one of the pair of non-conductive bushings in the first jaw and a proximal end rotatably ...

MEDICAL TREATMENT DEVICE, OPERATION METHOD OF MEDICAL TREATMENT DEVICE, AND TREATMENT METHOD

A medical treatment device includes a pair of holding members with which a subject part to be joined in a body tissue is clampable; an energy application unit provided on at least one of holding members of the pair of holding members, so as to contact the subject part clamped by the pair of holding members, thereby to apply energy to the subject part; and a processor comprising hardware, the processor being configured to control the energy to be applied from the energy application unit, wherein, in a period from start to end of application of energy to the subject part, the processor is further configured to cause the energy application unit to: apply at least high-frequency energy in a first period; apply only ultrasonic energy in a second period after the first period; and apply at least thermal energy in a third period after the second period. 1. A medical treatment device comprising:a pair of holding members with which a subject part to be joined in a body tissue is clampable;an energy application unit provided on at least one of holding members of the pair of holding members, so as to contact the subject part when the subject part is clamped by the pair of holding members, thereby to apply energy to the subject part; anda processor comprising hardware, the processor being configured to control the energy to be applied from the energy application unit to the subject part, thereby to treat the subject part, whereinin a period from when application of energy to the subject part is started until when treating the subject part is completed, the processor is further configured to cause the energy application unit to:apply at least high-frequency energy to the subject part in a first period;apply only ultrasonic energy to the subject part in a second period after the first period; andapply at least thermal energy to the subject part in a third period after the second period.2. The medical treatment device according to claim 1 , wherein the processor is further ...

MEDICAL INSTRUMENT AND METHOD OF USE

A medical for removing tissue from a patient includes an elongated probe with a working end. A pair of jaws is provided at the working end. The jaws may be closed for cutting and treatment of the tissue. Cutting may be effective through a sharpened cutting blade, and RF cutting blade, and similar cutting edges. The tissue may be remodeled using heat generated from passive heating elements on the jaws, active heating elements on the jaws, a PTCR heating element carried by the jaws, or resistive heaters on the jaws. 1. Apparatus for treating tissue , comprising:an introducer having a first and a second jaw;an actuator for moving said jaws between open and closed positions to clamp tissue therebetween;a cutting element disposed on at least one jaw; anda remodeling element disposed on at least one jaw;wherein the cutting element is configured to cut said tissue as the jaws are closed over said tissue and said remodeling element is configured to heat and remodel said tissue after the jaws have been closed over the tissue.2. The apparatus of wherein the cutting element comprises a sharp edge at a first perimeter of at least one jaw.3. The apparatus of wherein the cutting element comprises an RF electrode edge at a first perimeter of at least one jaw.4. The apparatus of wherein the remodeling element is further configured to apply pressure over said tissue after the jaws have been closed over the tissue.5. The apparatus of wherein the remodeling element comprises a Joule heating and/or a passive conductive heating element.6. The apparatus of wherein said remodeling element comprises first and second opposing polarity electrodes carried by the at least one jaw for passing RF current therebetween.7. The apparatus of wherein the first and second opposing polarity electrodes are carried in the first and second jaws claim 6 , respectively.8. The apparatus of wherein the remodeling element comprises a PTCR (positive temperature coefficient of resistance) material for passing ...

SURGICAL INSTRUMENTS WITH COOLING ASSEMBLY

A cooling assembly for use with an electrosurgical instrument is provided. The cooling assembly includes a body, and a cavity. At least a portion of an inner perimeter of the body is configured for selective engagement with a jaw member of the electrosurgical instrument. The cavity is defined within the body and configured to contain a fluid therein. The fluid is capable of at least one of cooling or thermal insulation to areas laterally adjacent the jaw member. 1. A cooling assembly for use with an electrosurgical instrument , the cooling assembly comprising:a body, at least a portion of an inner perimeter of the body configured for selective engagement with a jaw member of the electrosurgical instrument; anda cavity defined within the body and configured to contain a fluid therein capable of providing at least one of cooling or thermal insulation to areas laterally adjacent the jaw member.2. The cooling assembly according to claim 1 , wherein the fluid is passively cooled.3. The cooling assembly according to claim 1 , wherein the fluid is actively cooled.4. The cooling assembly according to claim 1 , wherein the fluid includes at least one of expandable gas and alcohol.5. The cooling assembly according to claim 1 , wherein the body includes silicone.6. The surgical instrument according to claim 1 , wherein the body is U-shaped.7. The cooling assembly according to claim 1 , wherein the fluid is configured to provide at least one of cooling or thermal insulation to areas distally adjacent the jaw member.8. A surgical instrument claim 1 , comprising:a handle assembly;an elongated shaft extending distally from the handle assembly;an end effector engaged to a distal portion of the elongated shaft, the end effector including a first jaw member and a second jaw member, at least one of the first and second jaw members movable with respect to the other jaw member to grasp tissue therebetween; anda cooling assembly disposed in mechanical cooperation with the first jaw ...

SURGICAL INSTRUMENT

A surgical instrument includes a first jaw and a second jaw serving as grasping parts, a first joining part, a first dissecting part, a second joining part, a second dissecting part, and a tissue preservation part disposed between the first joining part and the second joining part and configured to preserve a non-joining region between the first joining part and the second joining part when the first joining part and the second joining part join living body tissue. 1. A surgical instrument comprising:a pair of grasping parts having distal end portions and proximal end portions, having shapes extending along a longitudinal central axis connecting the distal end portions and the proximal end portions, and having a pair of grasping surfaces disposed to face each other such that the pair of grasping surfaces are capable of grasping living body tissue;a first joining part disposed at the vicinity of the distal end portion of the grasping part and configured to irreversibly join the living body tissue grasped by the pair of grasping parts;a first dissecting part configured to cut the living body tissue joined by the first joining part in the longitudinal central axis direction in a region in which the living body tissue is joined by the first joining part;a second joining part disposed away from the first joining part, disposed at the vicinity of the proximal end portion of the grasping part, and configured to irreversibly join the living body tissue grasped by the pair of grasping parts;a second dissecting part configured to cut the living body tissue joined by the second joining part in the longitudinal central axis direction in a region in which the living body tissue is joined by the second joining part; anda tissue preservation part disposed between the first joining part and the second joining part, having a recessed portion formed to be recessed with respect to the pair of grasping surface and disposed at the pair of grasping surfaces such that the tissue ...

IN-LINE VESSEL SEALER AND DIVIDER

An endoscopic forceps includes a housing having a shaft attached thereto, the shaft including a pair of jaw members disposed at a distal end thereof. The forceps also includes a drive assembly disposed in the housing which moves the jaw members relative to one another from a first position wherein the jaw members are disposed in spaced relation relative to one another to a second position wherein the jaw members are closer to one another for manipulating tissue. A pair of handles is operatively connected to the drive assembly and the handles are movable relative to the housing to actuate the drive assembly to move the jaw members. Each of the jaw members is adapted to connect to a source of electrical energy such that the jaw members are capable of conducting energy for treating tissue. The forceps also includes a first switch disposed on the housing which is activatable to selectively deliver energy of a first electrical potential to at least one jaw member for treating tissue in a monopolar fashion. A second switch is disposed on the housing and is activatable to selectively deliver energy of a first electrical potential to one jaw member and selectively deliver energy of a second electrical potential to the other jaw member for treating tissue in a bipolar fashion. 17-. (canceled)8. An endoscopic forceps , comprising:a shaft having a proximal end and a distal end;a housing attached to the proximal end of the shaft;a pair of jaw members disposed at the distal end of the shaft, each jaw member adapted to connect to a source of electrical energy such that the jaw members are capable of conducting energy for treating tissue;a drive assembly disposed in the housing, the drive assembly operable to move at least one of the pair of jaw members relative to the other jaw member from a first position wherein the jaw members are disposed in spaced relation relative to one another, to a second position wherein the jaw members are closer to one another for manipulating tissue; ...

APPARATUS AND METHOD FOR REGULATING TISSUE WELDER JAWS

A surgical apparatus and methods for severing and welding tissue, in particular blood vessels. The apparatus includes an elongated shaft having a pair of relatively movable jaws at a distal end thereof. A first heating element on one of the jaws is adapted to heat up to a first temperature and form a welded region within the tissue, while a second heating element on one of the jaws is adapted to heat up to a second temperature and sever the tissue within the welded region. The first and second heating elements may be provided on the same or opposite jaws. A control handle provided on the proximal end of the elongated shaft includes controls for opening and closing the jaws, and may include an actuator for sending current through the first and second heating elements. The first and second heating elements may be electrically connected in series, and the first heating element may be bifurcated such that it conducts about one half of the current as the second heating element. A force-limiting mechanism provided either within the control handle, in the elongated shaft, or at the jaws limits the pressure applied to the tissue by the jaws to ensure that the tissue is severed and the ends effectively welded within a short amount of time. 128-. (canceled)29. A surgical method of severing a target tissue while welding the severed ends using a surgical apparatus , the surgical apparatus comprising a shaft and first and second jaws extending from a distal end of the shaft , wherein the first jaw is relatively movable with respect to the second jaw; the surgical apparatus further comprising a first electrode and a second electrode electrically connected in series , wherein the first electrode is operatively associated with one of the first and second jaws and is adapted to weld tissue , and wherein the second electrode is operatively associated with one of the first and second jaws and is adapted to sever tissue , the method comprising: closing the jaws upon the target tissue; ...

TISSUE WELDING AND CUTTING APPARATUS AND METHODS

A surgical apparatus and methods for severing and welding tissue, in particular blood vessels. The apparatus includes an elongated shaft having a pair of relatively movable jaws at a distal end thereof. A first heating element on one of the jaws is adapted to heat up to a first temperature and form a welded region within the tissue, while a second heating element on one of the jaws is adapted to heat up to a second temperature and sever the tissue within the welded region. The first and second heating elements may be provided on the same or opposite jaws. A control handle provided on the proximal end of the elongated shaft includes controls for opening and closing the jaws, and may include an actuator for sending current through the first and second heating elements. The first and second heating elements may be electrically connected in series, and the first heating element may be bifurcated such that it conducts about one half of the current as the second heating element. A force-limiting mechanism provided either within the control handle, in the elongated shaft, or at the jaws limits the pressure applied to the tissue by the jaws to ensure that the tissue is severed and the ends effectively welded within a short amount of time. 1. A surgical apparatus for welding and severing tissue , comprising:first and second relatively movable elongated jaws having jaw-facing surfaces;an elongated shaft having the first and second relatively movable jaws attached to a distal end thereof;a first heating element for welding tissue provided on the jaw-facing surface of the first jaw, the first heating element being adapted to heat up to a first temperature upon application of power; anda second heating element for severing tissue also provided on the jaw-facing surface of the first jaw, the second heating element being adapted to heat up to a second temperature greater than the first temperature upon application of power.2. The apparatus of claim 1 , wherein the first heating ...

TREATMENT TOOL

A treatment tool includes: a pair of openable/closable jaws; a substrate provided on at least one of the jaws; a wiring pattern provided on one surface of the substrate in a state of being electrically insulated from the substrate, the wiring pattern including an electric resistance pattern configured to generate heat when a current is carried to the electric resistance pattern, and a connecting section configured to be electrically continuous to the electric resistance pattern; and a heat transfer plate disposed facing the one surface and configured to transfer, to a living tissue, the heat in contact with the living tissue; and a lead wire configured to be a current-carrying path to the wiring pattern, the lead wire being positioned on a side separated from the heat transfer plate with respect to the wiring pattern and being electrically connected to the connecting section from the separated side. 1. A treatment tool comprising:a pair of openable/closable jaws;a substrate provided on at least one of the pair of jaws; an electric resistance pattern configured to generate heat when a current is carried to the electric resistance pattern, and', 'a connecting section configured to be electrically continuous to the electric resistance pattern; and, 'a wiring pattern provided on one surface of the substrate in a state of being electrically insulated from the substrate, the wiring pattern including'}a heat transfer plate disposed facing the one surface and configured to transfer, to a living tissue, the heat from the electric resistance pattern in contact with the living tissue; anda lead wire configured to be a current-carrying path to the wiring pattern, the lead wire being positioned on a side separated from the heat transfer plate with respect to the wiring pattern and being electrically connected to the connecting section from the separated side.2. The treatment tool according to claim 1 , further comprising a heat-transferring adhesive sheet that is interposed ...

Tissue Forceps

A forceps instrument comprises, for the support of at least one pivotally supported branch, a bearing insert which is inserted into a base in order to support at least one pivotable branch. The bearing insert may be inserted transversely with respect to the pivot axis into a corresponding compartment of the base and fixed there in the compartment, for example due to detent action. The bearing insert comprises two bearing elements, such as cylindrical journals, which are arranged on bearing parts of the bearing insert, without being in contact with each other, said bearing parts having the form of plates, for example, that are oriented parallel to each other. The two journals come into engagement with corresponding openings of the branch, in which case the distance remaining between the end sides of the journals can be used for the arrangement of miscellaneous elements, such as a cutting knife. 110. A forceps instrument () for the treatment of biological tissue , comprising:{'b': 16', '22', '17', '22', '23, 'a first branch () that is held on a base () and extends away from said base, a second branch () that is held on the base () so as to be pivotally movable about a pivot axis (), and'}{'b': 27', '17', '28', '29, 'a bearing structure () that pivotably supports the second branch () including two bearing elements (, ) which are coaxially arranged with respect to each other and, together, form a divided bearing journal,'}{'b': 27', '24', '22, 'wherein the bearing structure () is formed on a bearing insert () which is connected to the base ().'}224322422. The forceps instrument according to claim 1 , wherein the bearing insert () has a connecting structure () which supports the bearing insert () in the base () in a stationary manner.3242223. The forceps instrument according to claim 1 , wherein the bearing insert () is configured to be inserted in the base () transversely with respect to the pivot axis ().4223924224017412439. The forceps instrument according to claim 1 ...

THERAPEUTIC TREATMENT SYSTEM AND OPERATION METHOD FOR THERAPEUTIC TREATMENT SYSTEM

A therapeutic treatment system includes a holding section configured to hold a biological tissue, electrodes provided in the holding section and capable of outputting first high-frequency energy for sealing the biological tissue at a first sealing temperature and second high-frequency energy for dissecting the biological tissue at a first dissection temperature higher than the first sealing temperature, electrodes provided in the holding section and capable of outputting first thermal energy for sealing the biological tissue at a second sealing temperature higher than the first sealing temperature and second thermal energy for dissecting the biological tissue at a second dissection temperature lower than the first dissection temperature and higher than the second sealing temperature, and a control section configured to control temperature of each of the electrodes to output the second thermal energy after the output of the first high-frequency energy. 1. An electrosurgical controller for use with biological tissue , the electrosurgical controller comprising:one or more power generators configured to supply electric power to one or more electrodes disposed on a pair of holding members and one or more electric elements; and detect and receive an input from an interface;', 'in response to the received input, select from: (i) a plurality of sealing modes for sealing the biological tissue at different sealing temperatures, and (ii) a plurality of dissection modes for dissecting the biological tissue at different dissection temperatures, in accordance with the input received from the interface;', 'generate a set of control modes for controlling the one or more electrodes and the one or more electric elements by combining the selected modes; and', 'control the one or more power generators to supply the electric power to one or more electrodes and the one or more electric elements based on the generated set of control modes., 'one or more processers configured to2. The ...

TREATMENT SYSTEM AND TREATMENT TOOL

A treatment system comprises a power supply device and a treatment tool configured to communicate electrically with the power supply device so as to perform an operation on a treatment target. The treatment tool includes a sheath and an end effector configured to detachably attach to the sheath and being capable of bending with respect to the sheath. The end effector includes an electric element used to apply a treatment energy to the treatment target using an electric energy. The power supply device includes a processor. The processor sets to increase an output of the electric energy to be supplied to the electric element at in a second state. The sheath and the end effector are bent at a predetermined angle with respect to one another, compared with a first state where the sheath and the end effector are disposed straight in line with one another. 1. A treatment system comprising:a power supply device; and a sheath, and', 'an end effector configured to detachably attach to the sheath and being capable of bending with respect to the sheath, the end effector includes an electric element used to apply a treatment energy to the treatment target using an electric energy and wherein the power supply device includes a processor,', 'the processor sets to increase an output of the electric energy to be supplied to the electric element at in a second state where the sheath and the end effector are bent at a predetermined angle with respect to one another as compared with a first state where the sheath and the end effector are disposed straight in line with one another., 'a treatment tool configured to communicate electrically with the power supply device so as to perform an operation on a treatment target wherein the treatment tool having'}2. The treatment system of further comprisesa pair of clamp members capable of being opened and closed with respect to one another and wherein acquires a parameter that varies according to the bent state of the end effector with respect ...

FLEXIBLE CIRCUITS FOR ELECTROSURGICAL INSTRUMENT

The disclosure provides a method of manufacturing a flexible circuit electrode assembly and an apparatus manufactured by said method. According to the method, an electrically conductive sheet is laminated to an electrically insulative sheet. An electrode is formed on the electrically conductive sheet. An electrically insulative layer is formed on a tissue contacting surface of the electrode. The individual electrodes are separated from the laminated electrically insulative sheet and the electrically conductive sheet. In another method, a flexible circuit is vacuum formed to create a desired profile. The vacuum formed flexible circuit is trimmed. The trimmed vacuum formed flexible circuit is attached to a jaw member of a clamp jaw assembly. 1. A method of manufacturing a flexible circuit electrode , the method comprising:laminating a flexible electrically conductive sheet to a flexible electrically insulative sheet with an adhesive therebetween to produce a flexible laminate;forming at least one electrode on the flexible electrically conductive sheet;forming at least one electrically insulative layer on a tissue contacting surface of the least one electrode; andseparating the at least one electrode from the flexible laminate.2. The method of claim 1 , wherein the flexible electrically conductive sheet is selected from any one of copper claim 1 , gold plated copper claim 1 , silver claim 1 , platinum claim 1 , stainless steel claim 1 , or aluminum claim 1 , or alloys thereof.3. The method of claim 1 , wherein the flexible electrically insulative sheet is selected from any one of polyimide claim 1 , polyester claim 1 , fluorocarbon claim 1 , or any polymeric material claim 1 , or any combinations thereof.4. The method of claim 1 , wherein forming the at least one electrode on the flexible electrically conductive sheet comprises etching at least one electrode on the flexible electrically conductive sheet.5. The method of claim 4 , wherein etching comprises:screen ...

SURGICAL INSTRUMENTS WITH INTEGRATED LIGHTING SYSTEMS

A surgical device comprises a shaft extending between proximal and distal portions, a surgical tool located at the distal portion, a handpiece located at the proximal portion, a lumen extending through the shaft from the proximal portion to the surgical tool, a light conductor extending into the proximal portion and at least partially through the shaft, and a light emitter connected to the light conductor to emit light from the light conductor toward the surgical tool. A method for illuminating dye while performing a laparoscopic surgical procedure comprises making an incision in a patient to form a laparoscopic port, marking target tissue for removal with a dye, inserting a laparoscopic device into the port, emitting light from a light source, passing the light through the laparoscopic device to illuminate the target tissue within the patient, and removing the target tissue with a surgical tool attached to the laparoscopic device. 1. A device for performing a surgical procedure , the device comprising:a shaft extending from a proximal portion to a distal portion;a surgical tool located at the distal portion;a lumen extending through the shaft from the proximal portion to the surgical tool;a light conductor extending into the proximal portion and at least partially through the shaft; anda light emitter connected to the light conductor to emit light from the light conductor toward the surgical tool.2. The device of claim 1 , wherein the surgical tool comprises an instrument for treating tissue.3. The device of claim 2 , wherein the surgical tool comprises an ablator selected from the group consisting of a thermal-ablator claim 2 , a cryo-ablator claim 2 , an electro-ablator and an ultrasonic-ablator.4. The device of claim 1 , wherein the surgical tool comprises an optical device for viewing tissue.5. The device of claim 1 , further comprising a light generator coupled to the light conductor.6. The device of claim 5 , further comprising:a handpiece located at the ...

OPHTHALMIC SURGICAL DEVICE FOR CAPSULOTOMY

A surgical device and procedure are provided for performing microsurgery, including a capsulotomy of a lens capsule of an eye. The device has an elastically deformable cutting element mounted within an elastomeric suction cup. The suction cup is attached to an arm for manipulating the device. The device can be inserted into the anterior chamber of the eye, through a corneal incision, to cut a piece from the anterior portion of the lens capsule of the eye. The device is secured against the lens capsule using suction applied by one or more suction elements. The device is then removed from the eye, with the cut piece of membrane retained within the device by suction. 1. A surgical device for excising tissue , the device comprising:a single continuous cutting element including an annular ring shape with a cross section having an inner edge and an outer edge, wherein the cutting element is collapsible for insertion through an incision in a tissue layer to access the tissue for excision, and wherein the cutting element is configured to return to the annular ring shape after the insertion through the incision;two electrical leads attached to the cutting element such that, when an electrical pulse is applied, the electrical pulse is capable of traveling around the entire annular ring shape of the cutting element; andan arm attached to the cutting element and configured for manipulating the cutting element.2. The device of claim 1 , wherein the two electrical leads are disposed within the arm.3. The device of claim 1 , wherein the two electrical leads are connected to the electrical cutting element on two different sides of an insulating gap in the cutting element such that claim 1 , when the electrical pulse is applied claim 1 , the electrical pulse is capable of traveling from a first of the two electrical leads around the entire annular ring shape of the cutting element to a second of the two electrical leads to excise the tissue.4. The device of claim 3 , wherein the two ...

SURGICAL INSTRUMENTS INCLUDING 3D INJECTION MOLDED ELECTRICAL CIRCUITS AND CONNECTIONS

An end effector assembly includes a first jaw member and a second jaw member. The first and second jaw members are operably movable relative to one another between an open position and a clamped position. The first and second jaw members each include an electrically conductive plate. The electrically conductive plates of the first and second jaw members oppose each other and are configured to conduct energy through tissue clamped therebetween. The first jaw member further includes an insulative spacer having a rib and a conductive strip. The rip extends from a surface of the insulative spacer towards the electrically conductive plate. The conductive strip is integrally formed on a surface of the rib to contact the electrically conductive plate. The conductive strip is configured to transmit an electrical potential to the electrically conductive plate. 1. An end effector assembly comprising:a first jaw member including a first electrically conductive plate; 'a first insulative spacer having a rib and a conductive strip, the rib extending from a surface of the first insulative spacer towards the first electrically conductive plate, the conductive strip integrally formed on a surface of the rib contacting the first electrically conductive plate, the conductive strip configured to transmit a first electrical potential to the first electrically conductive plate.', 'a second jaw member including a second electrically conductive plate, the first and second jaw members being operably moveable relative to one another between an open position and a clamped position wherein the first and second electrically conductive plates oppose each other, the first and second electrically conductive plates being configured to conduct energy through tissue clamped therebetween, the first jaw member further including2. The end effector assembly of claim 1 , wherein the second jaw member includes a second insulative spacer having a rib and a conductive strip claim 1 , the rib extending from ...