Elektrochirurgische Vorrichtung

Ausführungsformen der vorliegenden Erfindung stellen ein verbessertes chirurgisches Instrument mit mehreren Verbesserungen und Vorteilen gegenüber dem Stand der Technik bereit. Das chirurgische Instrument weist einen Endeffektor auf, der in der Lage ist, verschiedene Vorgänge auszuführen, einschließlich das Erfassen, Schneiden und Versiegeln und/oder Koagulieren von Gewebe, wobei einer der Vorgänge durch einen Griff gesteuert wird, der relativ zu dem Instrument bewegbar ist, um den Endeffektor zwischen zwei Zuständen zu bewegen. Die vorliegende Erfindung stellt einen vereinfachten Einrastmechanismus für diesen bewegbaren Griff bereit. Konkret besteht der Einrastmechanismus aus einer einzelnen einstückig ausgebildeten Komponente, die angeordnet ist, um mit dem Griff in Eingriff zu gelangen, so dass der Endeffektor in einem Zustand gehalten wird, wodurch der Benutzer eine Hand frei hat, um andere Funktionen des Instruments auszuführen. Bei der Anwendung kann ein Benutzer also das chirurgische ...

Etectrochirurghische, blutstillende klammervorrichtung

HÄMOSTATI POINT ION SEALING SYSTEM

DEVICE FOR PRESSURE CONTROL WITH MEDICAL PROCEDURES

MEDICAL PLIERS.

HÄMOSTATI POINT ION CATCH DEVICE

Method for calibrating the performance range of a pneumatically sealed trocar

A method and assembly for calibrating the pneumatic performance range of a system for delivering pneumatic power to a trocar, which includes the steps of: supplying pneumatic power to a trocar to achieve a desired cavity pressure; measuring the pneumatic power and cavity pressure over a time period, as the system attempts to maintain the desired cavity pressure; calculating performance characteristics of the trocar based on the measured cavity pressure and pneumatic power values; and adjusting the pneumatic power supplied to the trocar based upon the performance characteristics of the trocar.

Force limiting mechanism for medical instrument

Force Switch

Endoscopic reposable surgical clip applier

ENDOSCOPIC REPOSABLE SURGICAL CLIP APPLIER An overstroke mechanism (600) for use with a surgical instrument, the overstroke mechanism (600) comprising: an overstroke sleeve (610) including an outer surface and defining a counterbore (516n) extending therethrough, the outer surface including a longitudinal slot (616); an overstroke biasing element (620) disposed at least partially within the counterbore (516n) of the overstroke sleeve (610); a spindle (540) including a channel (548), a portion of the spindle (540) configured to longitudinally translate within the counterbore (516n) of the overstroke sleeve (610); an outer shaft (422) including a hole, a portion of the outer shaft (422) configured to longitudinally translate within the counterbore (516n) of the overstroke sleeve (610); and an overstroke pin (630) extending at least partially through the longitudinal slot (616) of the overstroke sleeve (610), extending at least partially through the hole of the outer shaft (422), and extending ...

Device and method for controlling compression of tissue

DEVICE AND METHOD FOR CONTROLLING COMPRESSION OF A surgical device, comprising: a first clamping member (1005) and a second clamping member (1010); an electric motor (410) configured to drive at least one of the first and second clamping members toward a predetermined tissue gap (1020) between the clamping members. A control unit (400) configured to monitor the electric motor and to control the motor to limit a clamping force exerted on the tissue by the clamping members in response to monitoring of the electric motor.

Method of controlling intraocular pressure and temperature

Thermal compress system

Surgical tissue treating device with locking mechanism

Impedance feedback monitor with query electrode for electrosurgical instrument

Stoma opening forming apparatus

FORCE SWITCH

A mechanical force switch to be disposed along a longitudinal device axis of a medical device includes an electrically conductive switching piston to form a first electrical contact of the switch, a hollow body, an end stop, a bias device, and an electrically conductive second contact of the switch electrically insulated from the piston. The piston is movably disposed in the body hollow along the axis to define different switch-making and -breaking positions. The piston is also movably disposed in a cavity of the stop and the stop is disposed in the body. The stop can be a smooth or threaded puck. The bias device surrounds the piston and imparts bias against it to retain it in one of the two positions until an external axis force overcomes the bias, at which time the switch indicates a state changeover. The switch can be normally open or closed.

FORCE-LIMITING AND DAMPING DEVICE

A force-limiting and damping device has a body (10), a tapping element (20), and an elastic element (30). The body (10) has a connecting segment (11) and a holding segment (12). The connecting segment (11) has a mounting hole (111). The holding segment (12) is formed on the body (10) opposite the connecting segment (11). The tapping element (20) is connected to the body (10) to move relative to the connecting segment (11). The elastic element (30) is mounted between the tapping element (20) and the connecting segment (11) to abut against the tapping element (20). The structural relationship between the connecting segment (11), the tapping element (20), and the elastic element (30) may provide a delayed rebound and damping effect to the reaction force, and the applied force is continuously transferred to a tapping object to reduce noise and the loss of energy.

APPARATUS AND METHOD FOR EFFECTING AT LEAST ONE ANATOMICAL STRUCTURE

Exemplary embodiments of apparatus and method for effecting at least one anatomical structure of a body can be provided. For example, at least one first arrangement can be provided which is structured to be at least partially inserted into the body and including an opening. In addition, at least one second arrangement can be provided which configured to increase and/or decrease a size of the opening by a motion thereof in a first direction. Further, at least one third arrangement can be provided which can be coupled to the second arrangement(s), and configured to move at least in a second direction which is at least approximately parallel to the second direction. In particular, when the anatomical structure(s) is/are provided or inserted in the opening and is pressed on by the second arrangement(s), a first motion of the second arrangement(s) toward the anatomical structure(s) in the first direction is reduced and/or terminated while a second motion of the third arrangement(s) in the second ...

Device for generating compressed air for application system for contactless application of component on surface, has electrically driven pump, energy storage for providing electric energy and open plastic container

Eine Vorrichtung zur Drucklufterzeugung weist eine elektrisch angetriebene Pumpe (41) und einen Energiespeicher (42) zur Bereitstellung elektrischer Energie auf. Diese Bauteile sind in einem offenen Kunststoffbehälter (11) aufgenommen. Eine Membran aus einem gasdurchlässigen Material verschliesst den Kunststoffbehälter. Eine solche Vorrichtung eignet sich besonders für Applikationssysteme im medizinischen Kontext. Durch die blisterartige Verpackung kann ein separates Systemgehäuse entfallen, und die Sterilisation wird vereinfacht. Eine Sicherheitseinrichtung (43) schützt vor schädlichem Überdruck.

Force limited mechanism for medical instrument

Method of deploying percutaneous puncture closure

A system for sealing a percutaneous puncture in a blood vessel in a living being and a method of sealing the puncture. The system includes a hemostatic closure, a blood vessel locator device for determining the position of the blood vessel via the percutaneous puncture, and a deployment instrument for deploying the closure within the puncture to seal the puncture. The vessel locator includes means for enabling blood from the vessel to flow therethrough so that the position of the vessel can be rapidly determined. Once the vessel has been located the deployment instrument, which includes a tubular carrier storing the closure, is extended into the puncture to deploy the closure. The closure basically comprises a radiopaque rigid anchor for location within the blood vessel, a compressed collagen plug for location within the puncture tract leading to the vessel, and a thin filament connecting the two in a pulley-like arrangement. The deployment instrument also includes a tamper which is used ...

Device and method for controlling compression of tissue

A method and device for controlling the compression of tissue include clamping tissue between a first clamping member and a second clamping member by driving at least one of the clamping members with an electric motor toward a predetermined tissue gap between the clamping members and, during the clamping, monitoring a parameter of the electric motor indicative of a clamping force exerted to the tissue by the clamping members. The method and device include, during the clamping, controlling the electric motor, based on the monitored parameter, to limit the clamping force to a predetermined maximum limit.

TISSUE ABLATION SYSTEMS

Tissue is treated using a radiofrequency power supply connected to an applicator having a chamber filled with an electrically non-conductive gas surrounded by a thin dielectric wall. A radiofrequency voltage is applied at a level sufficient to ionize the gas into a plasma and to capacitively couple the ionized plasma with the tissue to deliver radiofrequency current to ablate or otherwise treat the tissue.

Elektrochirurgische, blutstillende Vorrichtung

Elektrochirurgische, blutstillende Vorrichtung

Electrosurgical device

The surgical instrument has an end effector controlled by a handle moveable relative to the instrument to move the end effector between two conditions. A latching mechanism is formed of a single integrally formed component arranged to engage with the handle allowing the end effector to be retained in one condition, leaving the users hand free to perform other functions of the instrument. The latching mechanism comprises a protrusion 1120 extending from a moveable handle or trigger into a second handle which has a slideable receiving portion comprising two cam surfaces 1112, 1116 and a notch 1114. To lock the handle, the protrusion interacts with the first cam surface 1112 to push the receiving portion against the bias of a spring element 1104 until the protrusion can be held in the notch 1114. A lock out bar (4602, Figure 46) allows the latching moulding 326 to be moved manually in the handle, so the protrusion only interacts with the second cam surface 1116 and does not lock into the notch ...

HÄMOSTATI SEALING SYSTEM OF A PUNKTUR

ELECTRICALSURGICAL DEVICE FOR BLUTSTILLEN

HÄMOSTATI POINT ION SEALING SYSTEM

BLUTSTILLENDES DOTTING SEALING SYSTEM

ABRASION DEVICE

INSTRUMENT FOR THE ATTACHMENT OF CLAMPS WITH RETAINING MEANS FOR CLAMPS

EQUIPMENT FOR THE CATCH OF A GEFÄSSPUNKTION

HÄMOSTATI SEALING SYSTEM FOR A PUNKTUR

Electrosurgical hemostatic device

THERMAL COMPRESS SYSTEM

Varying tissue compression aided by elastic members

VARYING TISSUE COMPRESSION AIDED BY ELASTIC Abstract The present disclosure relates to surgical fastener applying apparatus (1000), and 5 the application of variable compression to tissue. More specifically, the presently disclosed surgical fastener applying apparatus (1000) including a first jaw (1010) having proximal and distal ends and including an anvil member (1100), the anvil member (1010) extending along a longitudinal axis and including a tissue contacting surface and a second jaw (1012) having proximal and distal ends movably coupled to the first jaw (1010), the io second jaw (1012) including a cartridge member (1200) and a channel (1209). The surgical fastener applying apparatus (1000) further includes a pair of elastic members (1224) positioned between the cartridge member (1200) and the channel of the second jaw (1012), the pair of elastic members (1224) configured and dimensioned to apply and maintain constant compressive forces to tissue regardless of tissue thickness.

An impactor

The invention provides an impactor for transmitting an assembly force to a component of an orthopaedic implant. The impactor has first and second telescoping parts which are biased apart by means of a main spring. The main spring is compressed when an assembly force is applied to the parts. An indicator is latched against movement until it is released when the extent of the compression of the main spring by the application of an assembly force exceeds a threshold. The indicator then moves to provide the user with an indication that a minimum assembly force has been applied.

Improved electrosurgical hemostatic device including an anvil

Force switch

FORCE-LIMITING AND DAMPING DEVICE

A force-limiting and damping device has a body (10), a tapping element (20), an elastic element (30), and a locking element (40). The body (10) has a connecting segment (11) and a holding segment (12). The connecting segment (11) has a mounting hole (111). The tapping element (20) is connected to the body (10) and has a mounting segment (21) and a tapping segment (22). The elastic element (30) is mounted between the tapping element (20) and the connecting segment (11) to abut against the tapping element (20). The locking element (40) is connected to the mounting segment (21) and abuts the connecting segment (11). The structural relationship of the force-limiting and damping device may provide a delayed rebound and damping effect to the reaction force, and the applied force is continuously transferred to a tapping object to reduce noise and the loss of energy.

DEVICE AND METHOD FOR CONTROLLING COMPRESSION OF TISSUE

A method and device for controlling the compression of tissue include clamping tissue between a first clamping member and a second clamping member by driving at least one of the clamping members with an electric motor toward a predetermined tissue gap between the clamping members and, during the clamping, monitoring a parameter of the electric motor indicative of a clamping force exerted to the tissue by the clamping members. The method and device include, during the clamping, controlling the electric motor, based on the monitored parameter, to limit the clamping force to a predetermined maximum limit.

SOFT TISSUE REPAIR SYSTEM AND METHOD

A soft tissue repair system and method are provided. The soft tissue repair system includes a barbed suture anchoring member attached to at least one suture member. A suture retaining member engages the suture member such that the length and tension of the suture may be selectively adjusted before the suture is permanently engaged in the retaining member. In use, the barbed suture anchoring member and suture member are inserted into the soft tissue repair site and across a tear. The suture member extends back through the original entry side of the tear. A retaining member is applied to the suture member followed by tensioning of the suture member to draw the sides of the tear into apposition. Following tensioning, the retaining member is permanently affixed to the suture member to maintain the selected tension and length of the suture member.

ELECTROSURGICAL HEMOSTATIC DEVICE WITH RECESSED AND/OR OFFSET ELECTRODES

An electrosurgical instrument is provided for cauterization and/or welding of tissue of varying impedances, thicknesses and vascularity especially in the performance of endoscopic procedures. The instrument compresses the tissue between an electrode associated with a first pole of a bipolar energy source located on one interfacing surface off a first element, and a second interfacing surface of a second element. The first and second elements are used to engage and compress tissue between the first and second interfacing surfaces. A second electrode associated with a second pole is located one of the two interfacing surfaces. The first electrode is either recessed into the first tissue contacting surface and/or offset from the second electrode on the same or opposing surfaces. A preferred application of the invention is in a cutting instrument wherein a hemostatic line is formed along a cut line using RF energy.

IMPEDANCE FEEDBACK MONITOR FOR ELECTROSURGICAL INSTRUMENT

An impedance monitoring device is provided for monitoring the electrical impedance of tissue as it is treated with electrosurgical energy. Based on a predicted model of tissue impedance and a number of initial impedance readings, the impedance at which tissue treatment is completed is predicted. More particularly, a minimum impedance level is measured and a function of the minimum impedance is used to determine impedance at which coagulation is completed. A control device is provided for bringing the output of the generator within an optimum range based on a system load curve. In one embodiment the impedance monitoring device is used in conjunction with a bipolar electrosurgical instrument. Preferably , the instrument comprises electrically opposite electrodes located on one or more tissue engaging surfaces for engaging tissue to be treated.

IMPROVED ELECTROSURGICAL HEMOSTATIC DEVICE

An improved electrosurgical instrument is provided for cauterization and/ or welding of tissue of varying impedances, thicknesses and vascularity especially in the performance of endoscopic procedures. The instrument compresses the tissue between one pole of a bipolar energy source located on one interfacing surface, and a second interfacing surface. A second pole is located on one of the two interfacing surfaces. In a preferred embodiment, the second pole is located on the same interfacin g surface as the first pole and an insulator electrically isolates the two poles. A preferred application of the invention is in a cutting instrument wherein a hemostatic line is formed along a cut line using RF energy.

Appts. for osteosynthesis tensioning - has compression unit engaging splint and bone portion to force bone portions together

ELECTROSURGICAL INSTRUMENT WITH CLAMPING PRESSURE CONTROL FOR ELECTRODE BRANCHES

Apparatus for collection of oocytes

An oocyte aspirator assembly for use in in vitro fertilization procedures includes a vacuum source for creating a vacuum in the assembly. The assembly also includes valve mechanisms to selectively vary the intensity of the vacuum created in the assembly between at least two levels, one of which is at a first low level at which oocytes can be safely aspirated from ovarian follicles, and a second of which is at a higher level than the first low level. The assembly also includes a control which can be manually or automatically actuated to change the vacuum level in the assembly. The control can take the form of one or more foot pedals or an occlude button mounted on a casing for the assembly. The assembly also may include a third vacuum level which equals the full output of the vacuum motor.

Bone fusion device

A bone fusion device for insertion between bones that are to be fused together, such as, for example, the vertebrae of a spinal column. The bone fusion device comprises at least one extendable tab and one or more tab extension assemblies. Each tab extension assembly is able to be adjusted in order to individually control the extension or contraction of a side of the tab thereby enabling adjustment of the height and/or angle of the tab with respect to the body of the bone fusion device. Each tab extension assembly is able to be individually adjusted such that the side controlled by each assembly is raised or lowered until the desired tab angle is achieved. The tab is advantageously positioned and angled to correspond to the vertebrae to help brace the device until the bone has fused.

Gravity thermal dilator

Treating instrument for operation and medical device using the treatment device

A treating instrument for an operation includes an elastic ring for reducing a load on an operator's fingers which contact first and second rings of first and second handle elements. The elastic ring is provided on a section of at least one of the first and second rings which contacts the operator's fingers.

Tissue securing device and method of use

This disclosure relates to a medical device. The medical device comprises a first and a second component. The first component comprises a first portion having a first handle part and a second portion having a grip. The second component is linked to the first component and is configured to be in communication with the first component to be actuated from an open to a closed position. The second component defines a third portion and a fourth portion, the third portion defining a second handle part and the fourth portion defining a second grip that is configured to grip a tissue in combination with the first grip portion of the first component. In certain embodiments, the first component or second component comprises a substantially straight member attached distally from the grip.

УСТРОЙСТВО ДЛЯ НАЛОЖЕНИЯ КЛИПС С ВОЗМОЖНОСТЬЮ ПРЕДОТВРАЩЕНИЯ ВЫПАДЕНИЯ КЛИПСЫ

Изобретение относится к хирургии и может быть использовано для наложения хирургических клипс на сосуды, протоки, шунты и т.п. В соответствии с вариантом осуществления, устройство для наложения хирургических клипс содержит корпус со спусковым рычагом и стержень. Спусковой рычаг соединен с возможностью перемещения с корпусом. Стержень продолжается из корпуса и имеет противостоящие зажимы, выполненные на дистальном конце стержня. Спусковой рычаг выполнен с возможностью выдвижения клипсы для установки клипсы в положение между зажимами и перемещения зажимов из разомкнутого положения в сомкнутое положение для обжима клипсы, расположенной между данными зажимами. Устройство для наложения хирургических клипс может содержать различные элементы для облегчения его применения, включая элементы для совмещения клипсы с зажимами, элементы для предотвращения непреднамеренного смещения клипсы и элементы для предотвращения выпадения клипсы во время придания ей формы. В результате предотвращается случайное ...

УСТРОЙСТВО ДЕМПФИРОВАНИЯ И ОГРАНИЧЕНИЯ УСИЛИЯ

Hämostatisches Abdichtsystem für ein Punktur

Greifinstrument

Greifinstrument mit zwei Maulteilen, die über ein Drehgelenk miteinander verbunden und durch Zusammendrücken zweier mit den Maulteilen verbundener Handgriffe aufeinander zu beweglich sind, dadurch gekennzeichnet, dass eines der Maulteile über einen in eine Drehrichtung (A) um das Drehgelenk wirkenden Drehanschlag (28) indirekt mit dem diesem Maulteil zugeordneten Handgriff verbunden ist, und zwischen dem Handgriff und dem Maulteil eine Feder vorgesehen ist, wobei der Drehanschlag so ausgebildet ist, dass der Drehanschlag beim Auseinanderdrücken der Handgriffe wirksam ist, so dass eine Bewegung des Handgriffs beim Auseinanderdrücken der Handgriffe über den Drehanschlag unmittelbar auf das Maulteil wirkt, während beim Zusammendrücken der Handgriffe die Federkraft der Feder zwischen Handgriff und Maulteil kraftübertragend wirksam ist, indem die Feder in eine Richtung wirkt, in der der Drehanschlag wirksam ist, so dass Handgriff und Maulteil miteinander in Anschlag sind, sofern zwischen beiden ...

CHIRURGISCHE FASS- UND HALTEZANGE

Electrosurgical device

Electrosurgical device

A surgical instrument having a handle 20, elongate shaft, end effector and a rotatable thumbwheel 28 located towards the rear of the handle 20. Rotation of the thumbwheel 28 causes corresponding rotation of the elongate shaft. A handswitch 27 is located on the handle directly above the thumbwheel 28, and operation of this switch 26 controls power supply to electrodes located on the end effector. A moveable grip 22 is located below the thumbwheel 28 and controls clamping movement of the jaw members. A trigger 24 controls deployment of a retractable blade.

Electrosurgical device

IMPEDANCE FEEDBACK SUPERVISOR FOR ELECTRICALSURGICAL INSTRUMENT

EQUIPMENT FOR THE ATTACHMENT OF CLIPS WITH A CLIP SAFETY MECHANISM

CLIP FEED MECHANISM WITH ORIENTATION CHARACTERISTICS

EQUIPMENT FOR THE FIGURATION OF A STOMAÖFFNUNG

Surgical clip applier methods

Force switch

FORCE SWITCH A mechanical force switch (1) to be disposed along a longitudinal device axis (2) s of a medical device includes an electrically conductive switching piston (10) to form a first electrical contact of the switch (1), a hollow body, and end stop, a bias device, and an electrically conductive second contact of the switch (1) electrically insulated from the piston (10). The piston (10) is movably disposed in the body hollow along the axis to define different switch-making and -breaking positions. The piston (10) is also movably 1o disposed in a cavity of the stop and the stop is disposed in the body. The stop can be a smooth or threaded puck. The bias device (50) surrounds the piston (10) and imparts bias against it to retain it in one of the two positions until an external axis force overcomes the bias, at which time the switch (1) indicates a state changeover. The switch (1) can be normally open or closed.

Surgical clip applier with integrated clip counter

SURGICAL CLIP APPLIER WITH INTEGRATED CLIP COUNTER A surgical clip applier (100) is provided including a channel assembly (108) and overlying a clip carrier (170) having a clip counter plate (192) slidably supported in the channel assembly (108), wherein the clip counter plate (192) is configured and adapted to display a change in status of the clip applier (100) upon actuation of the handle. C::: -AP ...

Device and method for controlling compression of tissue

Device for forming holes in tissue

Hemostatic puncture closure system and method of use

Medical instrument with force limiting mechanism

HEMOSTATIC PUNCTURE CLOSURE SYSTEM AND METHOD OF USE

Impedance feedback monitor for electrosurgical instrument

SELECTIVE AORTIC BALLOON OCCLUSION DEVICE, METHODS OF USE, AND USES THEREOF

A selective aortic balloon device includes a catheter comprising an open distal end configured to be inserted into a body cavity or vessel, and a plurality of adjustable port regions with inflatable balloons between adjacent adjustable port regions. Each adjustable port region is configured to move between a closed position and an open position to selectively allow fluid flow to enter the catheter through the open distal end and to exit the catheter through one or more of the plurality of adjustable port regions depending on an inflation pattern of the inflatable balloons.

DEVICES, SYSTEMS, AND METHODS FOR LOCATING PRESSURE SENSITIVE CRITICAL STRUCTURES

The present disclosure relates to devices, systems, and methods for controlling the pressure a sensor applies on the surface of tissue to facilitate locating underlying pressure sensitive critical structures. The laparoscopic device includes a handle and a shaft extending distally from the handle. A flexible member is slidably disposed within the shaft and movable between a retracted position and an extended position. A sensor is coupled to a distal end of the flexible member. The flexible member is configured to flex to limit an amount of pressure applied by the sensor to a tissue surface when the sensor is in contact with a tissue surface.

APPARATUS AND METHODS FOR INTRODUCING PORTALS IN BONE

Some introducer tools for bone portals have a handle coupled to a driving member by a force-limiting coupling. A bone portal comprising a bone-penetrating portion and a bone stop may be driven to a desired depth in bone when the force-limiting coupling allows application of force to the bone portal that is sufficient to drive the bone-penetrating portion of the portal into the bone but not sufficient to drive the bone stop significantly into the bone. Bone portals of various types are described herein. Various configurations for stylets suitable for use in introducing bone portals or otherwise penetrating bone and methods for inserting bone portals are also described herein.

DETECTION OF TENTING

A method, including measuring a force exerted by a probe on tissue of a patient and measuring a displacement of the probe while measuring the force. The method further includes detecting a tenting of the tissue responsively to a relation between the measured force and the measured displacement.

SURGICAL CLIP APPLIER WITH INTEGRATED CLIP COUNTER

A surgical clip applier is provided including a channel assembly and overlying a clip carrier having a clip counter plate slidably supported in the channel assembly, wherein the clip counter plate is configured and adapted to display a change in status of the clip applier upon actuation of the handle.

HEMOSTATIC PUNCTURE CLOSURE SYSTEM AND METHOD OF USE

A system and closure (22) for determining the position of a blood vessel (26 ) via a percutaneous puncture (24) and for sealing the percutaneous puncture in th e blood vessel. The system includes an introduces sheath (28, 28') and associated positioning de- vice.(200, 300, 400, 600), a hemostatic puncture closure (22), and a deployment instru- ment (20). The positioning device (200, 300, 400, 600) enables the introduce s sheath (28) to be positioned at a desired position within the vessel (26). The deploymen t instrument (20) includes a tubular carrier (100) storing the closure (22). The carrier (100) has a dis- tally located free end (104) to be extended via an introducer (28, 28') through the punc- lure (24) and its associated tract (24A). The closure (22) comprises a radiopaque rigid anchor (32, 32'), a compressed collagen plug (30), and a thin filament (34) connecting the two in a pulley-like arrangement. The carrier (100) ejects the anchor (3 2, 32') through the introducer (28, 28' ...

SURGICAL TISSUE TREATING DEVICE WITH LOCKING MECHANISM

A locking mechanism for ensuring proper sequential usage of a surgical instrument is provided for an instrument utilizing a tissue treatin g energy, particularly a tissue heating energy, such as, for example, electrosurgical, ultrasonic, thermal, laser, infrared light, or other heatin g energies. One embodiment includes a cutting element to be used after heat treatment of tissue is completed to a desired degree. The instrument of the preferred embodiment includes a feedback monitor arranged to provide a signal indicating completion of tissue treatment. One embodiment includes an electro-mechanical locking mechanism responsive to the tissue treatment complete feedback signal and arranged to unlock when tissue treatment is complete.

IMPEDANCE FEEDBACK MONITOR WITH QUERY ELECTRODE FOR ELECTROSURGICAL INSTRUMENT

Query electrodes are provided for monitoring the electrical impedance of tissue as it is treated with electrosurgical energy. In one embodiment, based on a predicted model of tissue impedance and a number of initial impedance readings, the impedance at which tissue treatment is completed is predicted. More particularly, a minimum impedance level is measured and a function of the minimum impedance is used to determine impedance at which coagulation is completed. A control device is provided for bringing the output of the generator within an optimum range based on a system load curve. In one embodiment the impedance monitoring device is used in conjunction with a bipolar electrosurgical instrument. Preferably, the instrument comprises electricall y opposite therapeutic electrodes, each located on one or more tissue engaging surfaces for engaging tissue to be treated, and electrically opposite query electrodes, located on one or more tissue engaging surfaces. The therapeutic electrodes provide ...

MEDICAL INSTRUMENT WITH FORCE LIMITING MECHANISM

A medical instrument (10) includes a handle (11), an elongate probe (13) having a proximal end mounted by the handle, and a distal end for applying force to anatomical tissue. A force limiting mechanism (12) moves the probe relative to the handle in a direction (F1) opposite the applied force when the applied force exceeds a predetermined threshold.

Catheter safety device, avoiding excessive pressure during injection

L'invention concerne un dispositif de sécurité pour cathéter, contre une surpression lors d'une injection de produit, qui est remarquable en ce qu'il comporte un manchon tubulaire (1") pourvu à chacune de ses extrémités d'un embout de raccordement (2"; 3") destiné au raccordement du dispositif, d'une part, au cathéter, et, d'autre part, au moyen d'injection (5), tandis que dans le manchon est aménagé entre lesdits embouts un tube de sécurité (6") qui est calibré pour que sa pression d'éclatement soit inférieure à celle de la partie du cathéter la moins résistante à la pression, de telle sorte qu'en cas de surpression lors d'une injection, ledit tube de sécurité (6") éclate ce qui abaisse immédiatement la pression dans le cathéter. Un tel dispositif peut être indépendant ou encore intégré au cathéter ou au moyen d'injection.

STAPLE FORMING POCKET ARRANGEMENT TO ACCOMMODATE DIFFERENT TYPES OF STAPLES

Multifunctional actuator rod and handle for pushing a driver cable of a biopsy grasping instrument

A plastic disposable scissor-action biopsy or grasping tool handle has a standard adapter tube attached to a front arm of the handle. An actuator rod attaches to the handle with the standard biopsy tool driver cable attached to the actuator rod. An actuator rod front tubular portion is slidable within the front handle arm. The actuator rod back portion has an elongated horizontal slot therethrough with a stop pin through the slot attached to a pair of mating stop pin holes within an actuator rod receiving recess in the back arm of the handle. A spring interacts between an actuator rod spring stop and the rear handle arm to regulate bite pressure of the biopsy cutting tool. The back handle arm pushes the driver cable to operate the biopsy cutting tool.

SURGICAL END EFFECTORS WITH STAPLE CARTRIDGES

A method for deforming a staple comprising a base, a first staple leg, and a second staple leg, wherein the base, the first staple leg, and the second staple leg are positioned within a common plane prior to being deformed, the method comprising positioning the first staple leg within a first cup of a staple pocket, the first cup comprising a first inner surface, applying a first compressive force to the first staple leg to bend the first staple leg toward the base and the second staple leg, contacting the first inner surface with the end of the first staple leg to bend the end of the first staple leg toward a first side of the base, and deforming the first staple leg such that the end of the first staple leg crosses a mid-line of the staple defined between the first staple leg and the second staple leg.

User-controllable power-assisted system and method for the application of pressure

A system and a method for a controllable power-assisted application of pressure includes a force sensor capable of sensing a user-applied force; and a force generator responsive to the sensed user-applied force and capable of generating a force that is applied to a pressure-applying device. A force magnitude of the force applied to the pressure-applying device is based on a magnitude of the sensed user-applied force. One embodiment provides that the force applied to the pressure-applying device by the force generator exerts a predetermined amount of pressure against a surface. Another embodiment provides that the force magnitude is greater than a magnitude of the sensed user-applied force. Yet another embodiment provides that the force magnitude is proportional to a magnitude of the sensed user-applied force.

Atraumatic circumcision apparatus and method of using same

A disposable neonatal circumcision device that secures the foreskin of the penis in a precise location, applies radially circumferential clamping, and delivers a longitudinal circumferential cutting device along the path precisely controlled by the device itself, not the operator, ensuring the incision to the clamped foreskin is made in the precise location, independent of the operator.

Surgical staple cartridge

A staple cartridge assembly for use with a surgical stapling instrument is disclosed. The staple cartridge assembly comprises a plurality of staples and a cartridge body. The cartridge body comprises an elongate slot extending along a first longitudinal axis between a proximal end and a distal end of the cartridge body. The cartridge body further comprises a plurality of first staple cavities arranged in a first row. Each first staple cavity defines a first axis and comprises a first proximal end portion and a first distal end portion. The cartridge body further comprises a plurality of second staple cavities arranged in a second row. Each second staple cavity defines a second axis and comprises a second proximal end portion and a second distal end portion. Each first axis and each second axis are transverse to the first longitudinal axis. Each first axis is transverse to each second axis.

Surgical Clip Applier Methods

A surgical clip applier and methods for applying surgical clips to a vessel, duct, shunt, etc., during a surgical procedure are provided. In one exemplary embodiment, a surgical clip applier is provided having a housing with a trigger movably coupled thereto and an elongate shaft extending therefrom with opposed jaws formed on a distal end thereof. The trigger is adapted to advance a clip to position the clip between the jaws, and to move the jaws from an open position to a closed position to crimp the clip positioned therebetween.

ELECTROSURGICAL DEVICE

Embodiments of the present invention provide an improved surgical instrument having an end effector mounted on the end of an elongate shaft extending from a handle. The end-effector is capable of several different operations, including grasping, cutting, and sealing and/or coagulating tissue, and one of the operations is controlled by a trigger mechanism contained within the handle. In some embodiments, the end effector includes a pair of curved jaw members and a blade assembly having a cutting blade at its distal end. The trigger mechanism is arranged to drive the blade assembly longitudinally within the elongate shaft such that the cutting blade protrudes between the jaw members. In order to help the trigger mechanism push the blade assembly around the curved jaws, the distal end of the blade has a graduated flexibility such that it can more easily bend to the shape of the jaw members. The distal end of the blade may also be provided with a low friction coating so that it can more easily ...

FIRING ASSEMBLY COMPRISING A MULTIPLE FAILED-STATE FUSE

CONTROL SYSTEM CONFIGURED TO CARRY OUT A METHOD FOR CALIBRATING THE PERFORMANCE RANGE OF A PNEUMATICALLY SEALED TROCAR

УСТРОЙСТВО ДЛЯ НАЛОЖЕНИЯ КЛИПС С ВОЗМОЖНОСТЯМИ СОПРОТИВЛЕНИЯ СМЕЩЕНИЮ

Изобретение относится к хирургии и может быть использовано для наложения хирургических клипс на сосуды, протоки, шунты и т.п. В соответствии с вариантом осуществления устройство для наложения хирургических клипс содержит корпус со спусковым рычагом и стержень. Спусковой рычаг соединен с возможностью перемещения с корпусом. Стержень продолжается из корпуса и имеет противостоящие зажимы, которые расположены на дистальном конце стержня. Спусковой рычаг выполнен с возможностью выдвижения клипсы для установки клипсы в положение между зажимами и перемещения зажимов из разомкнутого положения в сомкнутое положение для обжима клипсы, расположенной между данными зажимами. Устройство для наложения хирургических клипс может содержать различные элементы для облегчения применения устройства, включая элементы для совмещения клипсы с зажимами, элементы для предотвращения непреднамеренного смещения клипсы и элементы для предотвращения выпадения клипсы во время придания ей формы. В результате предотвращается ...

УСТРОЙСТВО ДЛЯ НАЛОЖЕНИЯ КЛИПС С ВОЗМОЖНОСТЬЮ ПРЕДОТВРАЩЕНИЯ ВЫПАДЕНИЯ КЛИПСЫ

... 1. Усовершенствованное эндоскопическое устройство для наложения хирургических клипс, содержащее зажимы, которые смыкаются для сближения тканей, подлежащих клиппированию, нажимной шток, предназначенный для смыкания зажимов, спусковой рычаг, предназначенный для приведения в действие нажимного штока, и храповой механизм, предназначенный для предотвращения размыкания спускового рычага на, по меньшей мере, участке хода смыкания, при этом усовершенствованное устройство содержит предварительно нагруженное соединение, выполненное между нажимным штоком и рычажной передачей, связывающей нажимной шток со спусковым рычагом, при этом предварительно нагруженное соединение функционально предназначено для поддерживания зажимов в, по существу, фиксированном, частично сомкнутом положении, когда спусковой рычаг частично разомкнут во время хода смыкания, чтобы удерживать частично сформированную клипсу между зажимами. 2. Устройство для наложения хирургических клипс по п.1, в котором предварительно нагруженное ...

УСТРОЙСТВО ДЛЯ НАЛОЖЕНИЯ КЛИПС С ВОЗМОЖНОСТЯМИ СОПРОТИВЛЕНИЯ СМЕЩЕНИЮ

... 1. Усовершенствованное эндоскопическое устройство для наложения хирургических клипс, содержащее зажимы, которые смыкаются для сближения тканей, подлежащих клиппированию, и выдвигающий клипсы узел, предназначенный для последовательного выдвижения множества клипс в зажимы, при этом усовершенствованное устройство содержит участок выдвигающего клипсы узла, содержащий механизм толкателя, который расположен в направляющей клипс и может перемещаться к зажимам для выдвижения множества клипс последовательно в зажимы, причем механизм толкателя выполнен с возможностью создания трения c направляющей клипс для предотвращения непреднамеренного смещения механизма толкателя в направляющей клипс и выполнен с возможностью перемещения, когда выдвигающий клипсы узел приводят в действие для выдвижения механизма толкателя в дистальном направлении. 2. Эндоскопическое устройство для наложения хирургических клипс по п.1, в котором механизм толкателя содержит выступ, выполненный на данном механизме и находящийся ...

HÄMOSTATISCHES ABDICHTSYSTEM EINER PUNKTUR

Bone fixation assembly

A bone fixation system includes at least one bone fixation member and a bone fixation instrument. The bone fixation member includes a strap and a locking mechanism. The strap can be pulled through the locking mechanism so as to form a loop about a target bone so as to secure first and second bone segments in an approximated, compressed configuration. The bone fixation instrument is configured to apply tension to the loop about the target bone. The fixation instrument includes a tension assembly that is configured to secure a free end of the bone fixation member to the fixation instrument. The tension assembly is further configured to pull the free end so as to increase tension in the loop while the tension in the loop is less than a select tension. The tension assembly is unable to further increase tension in the bone fixation member once the tension in the bone fixation member has reached the select tension. The fixation instrument further includes a cutter assembly that is configured to cut the free end of the bone fixation member so as to separate the free end from the loop.

Injection needle assembly and drug injection apparatus

An injection needle assembly includes a needle tube having a needle tip to be stuck into a skin, a first member, a second member, an adjustment portion, and a pressing force restricting member. The first member holds the needle tube and the second member holds the first member movably toward the axial direction of the needle tube. A discharge portion of the syringe is fitted into this second member The adjustment portion is provided at the periphery of the needle tube and includes a needle protrusion surface which abuts the skin in a case in which the needle tube is stuck to the living body. The pressing force restricting member is arranged between the first member and the second member, and restricts the pressing force added from the first member to the skin.

Force Switch

A switch of a device having a longitudinal axis, and comprising a switching element parallel to the longitudinal axis of the device, a hollow body defining an interior cavity in which the switching element is movably disposed to define a switch-making position at a first longitudinal position and a switch-breaking position at a second longitudinal position, a biasing element imparting a variable longitudinal bias to the switching element to place the switching element in one of the switch-making position and the switch-breaking position until an external force imparted to the switching element exceeds the longitudinal bias causing the switching element to move to the other of the switch-making position and the switch-breaking position, and an electrically-conductive contact coupled to the switching element and defining a switch-making state when the switching element is in the switch-making position and a switch-breaking state when the switching element is in the switch-breaking position.

Surgical clip applier with integrated clip counter

A surgical clip applier is provided including a channel assembly and overlying a clip carrier having a clip counter plate slidably supported in the channel assembly, wherein the clip counter plate is configured and adapted to display a change in status of the clip applier upon actuation of the handle.

End effector for use with a surgical fastening instrument

A surgical staple including a crown and a deformable member extending from the crown, the deformable member having a notch configured to cause the deformable member to bend at the notch when the staple is deformed from a first shape into a second shape. The crown of the surgical staple, in various embodiments, further includes a forming surface, or anvil, which is configured to deform the deformable member and/or guide a distal end of the deformable member when the distal end contacts the crown.

CAM Lock Pedicle Screw

The present invention is directed to a pedicle screw fixation system which can be made for either posterior cervical, thoracic, lumbar spine, or elsewhere. With this type of system a surgeon can implant a pedicle screw system utilizing the same instrument set for an open or closed procedure. The system is designed to avoid cross threading and splitting of tulip heard by use of an outer threaded tulip and reducing donut. The system also provides the ability for superior angulation for hard to reach areas that are common in spinal procedures. The system allows for a bio-absorbable part (the reduction donut) that enhances fusion in the coming months after the procedure. With the elongate tulip portion of the system the user is able to avoid the need for other cannula type instruments; the need of additional parts; the need of additional instruments which could introduce bacteria into the patient and the need for fluoroscopy. The system is completely cannulated so as to permit a HOLDING wire driven procedure. The rods employed with these pedicle screws can be either flexible or rigid. Preferably a rod which is octagonal in cross section is employed with the system so as to prevent rotation in the tulip and slippage.

ARTHROSCOPIC DEVICES AND METHODS

A fluid management system includes a pump connectable to a fluid source. An inflow line removably connects to a cannula for delivering a fluid flow from the pump into a surgical site, such as a joint cavity. A flow pressure sensor is coupled to measure flow pressure in the inflow line and produce a measured pressure value, A controller is connected to the pump and the flow pressure sensor, and the controller maintains a pressure set point by controlling a pump speed based on a backpressure-adjusted pressure value calculated by subtracting a backpressure value selected from a backpressure table from the measured pressure value. The BAPV is monitored to determine whether the BAPV deviates outside an initial BAPV range, and corrective measure are taken should such deviations occur. 120.-. (canceled)21. A method for arthroscopic surgery , comprising:operating simultaneously: (i) a fluid flow system to flow fluid through a fluid-filled working space in a patient: (ii) an arthroscopic cutter to cut tissue in the fluid-filled working space; and (iii) a videoscopic system to generate video image signals from the fluid-filled working space,wherein, during said operating, a video processor of the videoscopic system that is analyzing the video image signals detects a color condition that indicates blood in the fluid-filled working space and in response to the color condition provides a control signal to a controller that increases a rate of fluid flow through the fluid-filled working space.22. The method of claim 21 , wherein said operating simultaneously utilizes a single surgical unit that houses: (i) the controller; (ii) the video processor; (iii) an inflow pump and an outflow pump of the fluid flow system; and (iv) an electrical source for powering the arthroscopic cutter.23. The method of claim 21 , wherein the videoscopic system includes an endoscope with a distal image sensor that claim 21 , during said operating claim 21 , is positioned in the fluid-filled working ...

METHOD FOR FORMING A STAPLE

A method for deforming a staple comprising a base, a first staple leg, and a second staple leg, wherein the base, the first staple leg, and the second staple leg are positioned within a common plane prior to being deformed, the method comprising positioning the first staple leg within a first cup of a staple pocket, the first cup comprising a first inner surface, applying a first compressive force to the first staple leg to bend the first staple leg toward the base and the second staple leg, contacting the first inner surface with the end of the first staple leg to bend the end of the first staple leg toward a first side of the base, and deforming the first staple leg such that the end of the first staple leg crosses a mid-line of the staple defined between the first staple leg and the second staple leg. 1. A method of forming a surgical staple comprising a base , a first staple leg , and a second staple leg , wherein the base , the first staple leg , and the second staple leg are positioned within a common plane prior to being deformed by an anvil , said method comprisingsupporting the base of the staple;positioning a staple pocket of the anvil in opposition to the staple, wherein the staple pocket comprises a longitudinal axis;positioning the first staple leg within a first cup of the staple pocket, wherein the first cup comprises a first inner surface at least partially positioned on a first side of the longitudinal axis;positioning the second staple leg within a second cup of the staple pocket, wherein the second cup comprises a second inner surface at least partially positioned on a second side of the longitudinal axis;applying a first compressive force to an end of the first staple leg to bend the first staple leg toward the base and toward the second staple leg;applying a second compressive force to an end of the second staple leg to bend the second staple leg toward the base and toward the first staple leg;contacting the first inner surface with the end of ...

ENDOSCOPIC REPOSABLE SURGICAL CLIP APPLIER

An overstroke mechanism for use with a surgical instrument includes an overstroke sleeve, an overstroke biasing element, a spindle, an outer shaft, and an overstroke pin. A first condition of the overstroke mechanism is configured to prevent a predetermined closure force from acting on the jaw members of the surgical instrument when a stroke is provided by a handle assembly of the surgical instrument that is greater than the predetermined closure force. A second condition of the overstroke mechanism is configured to prevent a further predetermined closure force from acting on the jaw members of the surgical instrument when the jaw members are approximated on an obstruction. 1. An overstroke mechanism for use with a surgical instrument , the overstroke mechanism comprising:an overstroke sleeve including an outer surface and defining a counterbore extending therethrough, the outer surface including a longitudinal slot;an overstroke biasing element disposed at least partially within the counterbore of the overstroke sleeve;a spindle including a channel, a portion of the spindle configured to longitudinally translate within the counterbore of the overstroke sleeve;an outer shaft including a hole, a portion of the outer shaft configured to longitudinally translate within the counterbore of the overstroke sleeve; andan overstroke pin extending at least partially through the longitudinal slot of the overstroke sleeve, extending at least partially through the hole of the outer shaft, and extending at least partially through the channel of the spindle;wherein a first condition of the overstroke mechanism is configured to prevent a predetermined closure force from acting on the jaw members of the surgical instrument when a stroke is provided by a handle assembly of the surgical instrument that is greater than the predetermined closure force, and wherein a second condition of the overstroke mechanism is configured to prevent a further predetermined closure force from acting on ...

PRESSURE RELIEF FOR A CATHETER BALLOON DEVICE

A method of limiting an inflation system pressure for dilating a region of a patient's nasal sinus passageways. The method includes grasping an inflation device. The inflation device includes a syringe including a plunger slidably disposed within a barrel, a connector for fluidly connecting an outlet of the syringe with a surgical instrument balloon, and a mechanical pressure indicator associated with the syringe, the mechanical pressure indicator including a housing and an indicator body disposed within the housing. The method also includes delivering the surgical instrument balloon to a patient's paranasal sinus target area, operating the plunger within the barrel of the syringe to deliver pressurized fluid to the surgical instrument balloon, and transitioning the indicator body to extend outside of the housing when a predetermined inflation pressure of the surgical instrument balloon is reached. 1. A method of limiting an inflation system pressure for dilating a region of a patient's nasal sinus passageways , the method comprising: a syringe including a plunger slidably disposed within a barrel;', 'a connector for fluidly connecting an outlet of the syringe with a surgical instrument balloon; and', 'a mechanical pressure indicator associated with the syringe, the mechanical pressure indicator including a housing and an indicator body disposed within the housing;, 'grasping an inflation device, the inflation device comprisingdelivering the surgical instrument balloon to a patient's paranasal sinus target area;operating the plunger within the barrel of the syringe to deliver pressurized fluid to the surgical instrument balloon; andtransitioning the indicator body to extend outside of the housing when a predetermined inflation pressure of the surgical instrument balloon is reached.2. The method of claim 1 , further comprising:Releasing the pressurized fluid through a relief port associated with the mechanical pressure indicator when the system exceeds the ...

METHOD FOR FORMING A STAPLE

A method for deforming a staple comprising a base, a first staple leg, and a second staple leg, wherein the base, the first staple leg, and the second staple leg are positioned within a common plane prior to being deformed, the method comprising positioning the first staple leg within a first cup of a staple pocket, the first cup comprising a first inner surface, applying a first compressive force to the first staple leg to bend the first staple leg toward the base and the second staple leg, contacting the first inner surface with the end of the first staple leg to bend the end of the first staple leg toward a first side of the base, and deforming the first staple leg such that the end of the first staple leg crosses a mid-line of the staple defined between the first staple leg and the second staple leg. 122-. (canceled)23. A powered surgical instrument for cutting and stapling the tissue of a patient , wherein said powered surgical instrument comprises: a first jaw;', 'a second jaw movable relative to said first jaw between an unclamped position and a clamped position, wherein said first jaw and said second jaw exert a compression force on the patient tissue when said second jaw is in said clamped position;', 'an anvil; and', 'a staple cartridge comprising a longitudinal slot;, 'an end effector, comprisingan elongate shaft, wherein said end effector extends from said elongate shaft;an actuation system configured to move said second jaw into said clamped position, wherein said actuation system comprises a cutting member including a laterally extending member, and wherein said actuation system is configured to couple said first jaw and said second jaw during a firing stroke and limit said compression force between said first jaw and said second jaw to prevent over clamping of the patient tissue; and a power source;', 'a motor configured to output a rotary motion, wherein said motor is configured to receive a first power from said power source and a second power from ...

METHODS OF STAPLING TISSUE

A method of stapling tissue is disclosed. The method can include obtaining a staple cartridge including a plurality of staples, wherein each staple has a base and a leg extending from the base. The stapling method can also include firing the staples from the staple cartridge, wherein the staples are fired into tissue in a staple line. The staple line can include a first portion having a first flexibility and a second portion having a second flexibility, wherein the second flexibility is different than the first flexibility. A method of stapling tissue can also include adapting an anvil with an anvil plate having an arrangement of staple-forming pockets that differs from the staple-forming pockets in the anvil. 120-. (canceled)21. A staple cartridge for use with a surgical instrument , wherein the staple cartridge comprises:a longitudinal slot;a longitudinal row of obliquely-oriented inner staples positioned adjacent the longitudinal slot on a first side of the longitudinal slot;a longitudinal row of obliquely-oriented outer staples positioned on the first side of the longitudinal slot; anda longitudinal row of obliquely-oriented intermediate staples positioned on the first side of the longitudinal slot intermediate the longitudinal row of obliquely-oriented inner staples and the longitudinal row of obliquely-oriented outer staples, wherein a first lateral spacing is defined between the longitudinal row of obliquely-oriented inner staples and the longitudinal row of obliquely-oriented intermediate staples, wherein a second lateral spacing is defined between the longitudinal row of obliquely-oriented outer staples and the longitudinal row of obliquely-oriented intermediate staples, and wherein the first lateral spacing and the second lateral spacing are different.22. The staple cartridge of claim 21 , wherein the first lateral spacing comprises a lateral gap claim 21 , and wherein the second lateral spacing comprises an overlap.23. The staple cartridge of claim 21 , ...

METHODS OF STAPLING TISSUE

A method of stapling tissue is disclosed. The method can include obtaining a staple cartridge including a plurality of staples, wherein each staple has a base and a leg extending from the base. The stapling method can also include firing the staples from the staple cartridge, wherein the staples are fired into tissue in a staple line. The staple line can include a first portion having a first flexibility and a second portion having a second flexibility, wherein the second flexibility is different than the first flexibility. A method of stapling tissue can also include adapting an anvil with an anvil plate having an arrangement of staple-forming pockets that differs from the staple-forming pockets in the anvil. 1. A method , comprising:obtaining a staple cartridge comprising a plurality of staples, wherein each staple comprises a base and a leg extending from the base; and a first portion comprising a first flexibility; and', 'a second portion longitudinally offset from the first portion, wherein the second portion comprises a second flexibility, and wherein the second flexibility is different than the first flexibility., 'firing the staples from the staple cartridge, wherein the staples are fired into tissue in a staple line, and wherein the staple line comprises2. The method of claim 1 , further comprising selecting the staple cartridge from at least two different staple cartridges.3. The method of claim 2 , wherein the at least two different staple cartridges comprise different arrangements of staple cavities.4. The method of claim 1 , wherein the first portion comprises a distal portion.5. The method of claim 1 , wherein the first portion is laterally offset from the second portion.6. The method of claim 1 , wherein the first portion comprises a first row of staples claim 1 , and wherein the second portion comprises a second row of staples.7. A method claim 1 , comprising:obtaining a staple cartridge comprising a plurality of staples, wherein each staple ...

METHODS OF STAPLING TISSUE

A method of stapling tissue is disclosed. The method can include obtaining a staple cartridge including a plurality of staples, wherein each staple has a base and a leg extending from the base. The stapling method can also include firing the staples from the staple cartridge, wherein the staples are fired into tissue in a staple line. The staple line can include a first portion having a first flexibility and a second portion having a second flexibility, wherein the second flexibility is different than the first flexibility. A method of stapling tissue can also include adapting an anvil with an anvil plate having an arrangement of staple-forming pockets that differs from the staple-forming pockets in the anvil. 1. A method , comprising:obtaining a staple cartridge comprising a plurality of staples, wherein each staple comprises a base and a leg extending from the base; and{'claim-text': ['a first portion comprising a first flexibility; and', 'a second portion longitudinally offset from the first portion, wherein the second portion comprises a second flexibility, and wherein the second flexibility is different than the first flexibility.'], '#text': 'firing the staples from the staple cartridge, wherein the staples are fired into tissue in a staple line, and wherein the staple line comprises:'}2. The method of claim 1 , further comprising selecting the staple cartridge from at least two different staple cartridges.3. The method of claim 2 , wherein the at least two different staple cartridges comprise different arrangements of staple cavities.4. The method of claim 1 , wherein the first portion comprises a distal portion.5. The method of claim 1 , wherein the first portion is laterally offset from the second portion.6. The method of claim 1 , wherein the first portion comprises a first row of staples claim 1 , and wherein the second portion comprises a second row of staples.7. A method claim 1 , comprising:obtaining a staple cartridge comprising a plurality of staples ...

Pressure relief for a catheter balloon device

An inflation device for selectively inflating a balloon of a surgical instrument including a syringe, a connector, a mechanical pressure indicator, and a relief port. The syringe includes a plunger slidably disposed within a barrel. The connector fluidly connects an outlet of the syringe with a surgical instrument balloon to establish a closed inflation system between the syringe and an interior of the balloon. The mechanical pressure indicator is associated with the syringe and configured to transition from a non-alert state to an alert state when a pressure of the inflation system has reached a predetermined level. The relief port is associated with the mechanical pressure indicator and configured to relieve a pressure of the inflation system when the system at least reaches the predetermined level.

Tissue Securing Device And Method Of Use

This disclosure relates to a medical device. The medical device comprises a first and a second component. The first component comprises a first portion having a first handle part and a second portion having a grip. The second component is linked to the first component and is configured to be in communication with the first component to be actuated from an open to a closed position. The second component defines a third portion and a fourth portion, the third portion defining a second handle part and the fourth portion defining a second grip that is configured to grip a tissue in combination with the first grip portion of the first component. In certain embodiments, the first component or second component comprises a substantially straight member attached distally from the grip.

STAPLE FORMING POCKET ARRANGEMENT TO ACCOMMODATE DIFFERENT TYPES OF STAPLES

A surgical stapling system is disclosed. In various embodiments, the system comprises a staple cartridge attachment portion, a first staple cartridge configured to be operably attached to the cartridge attachment portion, wherein the first cartridge comprises a plurality of first staples comprising first staple legs, and a second staple cartridge configured to be operably attached to the cartridge attachment portion in lieu of the first cartridge, wherein the second cartridge comprises a plurality of second staples comprising second staple legs, and wherein the second staples are different than the first staples. The system further comprises an anvil comprising a tissue-engaging surface and a plurality of forming pockets defined in the surface, wherein each pocket comprises a first landing zone configured to receive a leg of a first staple of the first cartridge and a second landing zone configured to receive a leg of a second staple of the second cartridge. 1. A surgical stapling system , comprising:a staple cartridge attachment portion;a first staple cartridge configured to be operably attached to said staple cartridge attachment portion, wherein said first staple cartridge comprises a plurality of first staples comprising first staple legs;a second staple cartridge configured to be operably attached to said staple cartridge attachment portion, wherein said second staple cartridge comprises a plurality of second staples comprising second staple legs, and wherein said first staples and said second staples are different; and a tissue-engaging surface; and', a first landing zone configured to receive a said leg of a said first staple; and', 'a second landing zone configured to receive a said leg of a said second staple., 'a plurality of forming pockets defined in said tissue-engaging surface, wherein each said forming pocket comprises], 'an anvil, comprising2. The surgical stapling system of claim 1 , wherein said anvil comprises an anvil slot defining an anvil ...

Method and System for Controlling Pressurization of a Patient Cavity Using Cavity Distension Measured by a Pressure Sensor of a Trocar

According to one embodiment, a method includes positioning a trocar having a pressure sensor in or on the trocar into a patient cavity such that distension of the patient cavity causes an altitude of the pressure sensor to increase. The method also includes distending the patient cavity by supplying an insufflation gas to the patient cavity, thereby increasing an altitude of the pressure sensor from a first altitude to a second altitude. The method also includes determining a change in pressure at the pressure sensor resulting from increasing the altitude of the pressure sensor from the first altitude to the second altitude and controlling the supply of insufflation gas to the patient cavity in response to the determined change in pressure resulting from increasing the altitude of the pressure sensor from the first altitude to the second altitude.

Hannah Cervical Cup

A cervical cup includes a body having a flange and a vacuum port so that application of a vacuum to the port will secure the cervical cup to a cervix disposed inside of the body of the cup. Example of the disclosed methodology to treat preterm birth includes inserting of a cervix into a cervical cup and applying a vacuum to a vacuum port of the cervical cup so as to secure the cervical cup to the cervix.

FORCE SWITCH

A method of adjusting a switch of a device, wherein the method comprises using a biasing force-adjusting element to adjust a magnitude of a biasing force that is imparted to a switching element of the switch by a biasing element that is disposed about the switching element. The biasing force places the switching element in one of a first position and a second position, wherein the first position corresponds to a first electrical state and the second position corresponds to a second electrical state. 1. A method of adjusting a switch of a device , comprising:using a biasing force-adjusting element, adjusting a magnitude of a biasing force imparted to a switching element of the switch by a biasing element disposed about the switching element, wherein the biasing force places the switching element in one of a first position and a second position, the first position corresponding to a first electrical state and the second position corresponding to a second electrical state.2. The method according to claim 1 , wherein an electrically-conductive contact is coupled to the switching element to define:the first electrical state when the switching element is in the first position; andthe second electrical state when the switching element is in the second position.3. The method according to claim 1 , wherein the switching element moves to the other one of the first position and second position when a magnitude of an external force imparted to the switching element exceeds the magnitude of the biasing force.4. The method according to claim 1 , wherein the switching element is a piston.5. The method according to claim 2 , wherein the electrically-conductive contact is movable along a switching axis in-between the first position and the second position.6. The method according to claim 1 , wherein the biasing force-adjusting element comprises a stop element.7. The method according to claim 6 , wherein:the switching element comprises a bias contact; andthe biasing element is ...

Bone fusion device

A bone fusion device for insertion between bones that are to be fused together, such as, for example, the vertebrae of a spinal column. The bone fusion device comprises at least one extendable tab and one or more tab extension assemblies. Each tab extension assembly is able to be adjusted in order to individually control the extension or contraction of a side of the tab thereby enabling adjustment of the height and/or angle of the tab with respect to the body of the bone fusion device. Each tab extension assembly is able to be individually adjusted such that the side controlled by each assembly is raised or lowered until the desired tab angle is achieved. The tab is advantageously positioned and angled to correspond to the vertebrae to help brace the device until the bone has fused.

Electrical Surgical Instrument with Knife Return

Electrically operated surgical instrument, comprising a handle having a power supply; a drive assembly having an electrical motor, a controller electrically connected to the power supply and motor, and a drive part selectively moved by the motor between a fully extended position and a fully retracted position; and a control assembly operably connected to the motor to control a rotation of the motor; an end effector having a tissue-cutting assembly comprising: a blade connected to the drive part to move between opposing compression surfaces over the course of a blade stroke to cut tissue compressed between the compression surfaces, the blade stroke being comprised of the drive part advancing the blade towards the tissue to an extended position and retreating proximally to a retracted position, the control assembly being operable to selectively cause the motor to automatically retreat the drive part to place the blade in the retracted position.

Clip applier comprising clip advancing systems

A surgical device for clipping tissue is disclosed. The surgical device comprises a housing, a shaft defining a shaft axis, and an end effector. The end effector comprises a first jaw, a second jaw, and a receiver. The first jaw and the second jaw are movable relative to each other between an open position and a closed position. The receiver is at least partially defined between said first jaw and said second jaw. The surgical device further comprises a rotatable clip magazine configured to rotate about the shaft axis, a first advancing system, and a second advancing system. The clip magazine is configured to store at least two clips. The second advancing system is configured to operate sequentially with the first advancing system. The first advancing system and the second advancing system are configured to sequentially advance the clips into the receiver of the end effector.

Clip applier comprising a movable clip magazine

A surgical device for clipping tissue is disclosed. The surgical device comprises a housing, a shaft extending from the housing, an end effector extending from the shaft, a motor, a rotary input configured to rotate in response to the motor, and a clip magazine comprising a plurality of clips. The shaft defines a shaft axis. The clip magazine is operably connected to the rotary input. The clip magazine is movable in a first direction through a clip feed stroke in response to the rotation of the rotary input. The clip magazine is movable in a second direction in response to the rotation of the rotary input. The second direction is transverse to the first direction.

AN IMPACTOR

The invention provides an impactor for transmitting an assembly force to a component of an orthopaedic implant. The impactor has first and second telescoping parts which are biased apart by means of a main spring. The main spring is compressed when an assembly force is applied to the parts. An indicator is latched against movement until it is released when the extent of the compression of the main spring by the application of an assembly force exceeds a threshold. The indicator then moves to provide the user with an indication that a minimum assembly force has been applied. 1. An impactor for transmitting an assembly force to a component of an orthopaedic implant , the impactor comprising:(i) a first member having first and second ends, wherein the first end has a surface which is adapted to have an assembly force applied to it,(ii) a second member having first and second ends, wherein the first end is adapted to directly or indirectly transmit the assembly force applied to the first member to the component of the orthopaedic implant,wherein one of the first and second members has a bore extending within it from its second end which defines a longitudinal axis, and the second end of the other of the first and second members is received in the bore so that one of the first and second member can slide within the bore in a telescoping manner,and wherein the impactor includes a main spring acting between the first and second members, the main spring being retained in a compressed condition within the first and second members so that, in the absence of an applied assembly force, it exerts a compression force against the first and second members, and so that an assembly force applied to the first member does not compress the main spring further unless the assembly force exceeds the compression force.2. The impactor of claim 1 , wherein the compression force is at least about 1.0 kN.3. The impactor of claim 1 , wherein the impactor further comprises an indicator which can ...

Hannah Cervical Cup

A cervical cup includes a body having a flange and a vacuum port so that application of a vacuum to the port will secure the cervical cup to a cervix disposed inside of the body of the cup. Example of the disclosed methodology to treat preterm birth includes inserting of a cervix into a cervical cup and applying a vacuum to a vacuum port of the cervical cup so as to secure the cervical cup to the cervix. 1. A cervical cup , comprising:a body generally extending along an axial axis thereof;a flange attached to a proximal end portion of said body; anda vacuum port disposed at a distal end portion of said body,wherein, application of a vacuum to said vacuum port will secure the cervical cup to a cervix disposed inside of the body of the cervical cup.2. The cervical cup according to claim 1 , further comprising:an applicator comprising a stem connecting the vacuum port to a vacuum source.3. The cervical cup according to claim 2 , wherein said applicator further comprises a pressure gauge to monitor the vacuum applied to the cervical cup.4. The cervical cup according to claim 1 , further comprising:a cutoff device disposed substantially near the vacuum port to maintain the vacuum when the applicator is disconnected from the cervical cup.5. The cervical cup according to claim 1 , further comprising:threads disposed on an inner wall of the body to assist securing the cervical cup to the cervix.6. The cervical cup according to claim 1 , further comprising:a stylet inserted through the vacuum port and passing through the body of the cervical cup.7. The cervical cup according to claim 6 , further comprising:cervical clasps connected to one end of said stylet, said cervical clasps to be attached to end portions of the cervix so as to guide the cervix into the cervical cup once the stylet is pulled through the cervical cup from another end of said stylet.8. The cervical cup according to claim 6 , further comprising:a cervical band connected to one end of said stylet, said ...

Shafts With Pressure Relief in Cryotherapeutic Catheters and Associated Devices, Systems, and Methods

Cryotherapeutic systems with features that can facilitate pressure relief in the event of exhaust-passage blockage and associated devices, systems, and methods are disclosed herein. A cryotherapeutic system configured in accordance with a particular embodiment can include an elongated shaft having a distal portion and a pressure-relief portion proximal to the distal portion. The cryotherapeutic system can further include a supply lumen, an exhaust passage, and a balloon configured to receive refrigerant from the supply lumen and to exhaust refrigerant to the exhaust passage. The pressure-relief portion can be configured to release refrigerant from the exhaust passage when a pressure of refrigerant in the exhaust passage exceeds a threshold pressure less than a pressure rating of the balloon. The pressure-relief portion, for example, can include a rupture element configured to rupture at about the threshold pressure.

Force Switch

A method of creating a switch, comprising disposing a switching element movably within an interior cavity of the switch to define first and second positions along a switching axis of the switching element, disposing a biasing element about the switching element to impart a biasing force to the switching element to place the switching element in one of the first and second positions until an external force imparted to the switching element exceeds the biasing force to cause the switching element to move to the other position, disposing a biasing force-adjusting element in cooperative engagement with the biasing element such that a magnitude of the biasing force is adjustable, and coupling a conductive contact to the switching element to define a first switching state when the switching element is in the first position and a second switching state when the switching element is in the second position.

Laterally actuatable articulation lock arrangements for locking an end effector of a surgical instrument in an articulated configuration

A surgical instrument that includes an elongate shaft that has an end effector coupled thereto for selective articulation relative to the shaft. At least one articulation link operably interfaces with a source of articulation motions and is coupled to the end effector for applying articulation motions thereto. An articulation lock member corresponds to each articulation link and is configured to laterally move into locking engagement with the corresponding articulation link from an unlocked position that is laterally adjacent to the corresponding articulation link. An actuation system operably interfaces with each of the articulation lock members to selectively laterally move each articulation lock member from the unlocked position into locking engagement with the corresponding articulation link.

Retrieval devices and related methods of use

A retrieval device may include a sheath including a distal end and a proximal end, and an end effector at the distal end. At least a portion of the end effector may be movable relative to the sheath between extended and retracted states. The end effector may include a support member extending from the distal end of the sheath, and a movable member extending from the distal end of the support member. The device may include a handle assembly at the proximal end of the sheath, having an actuation member for transitioning the end effector between the extended and retracted states. The device may include a biasing member coupled to at least one of the actuation member and the sheath that may control a force, exerted by one of the movable members and the support member on the other, generated by relative movement between the movable and support members.

Electrical Surgical Instrument with Differential Rate of Closing Motion Speed

A surgical instrument comprised of an end effector having two opposing tissue-compression surfaces, wherein at least one of the tissue-compressing surfaces is movable with respect to the other of the tissue-compressing surfaces, and a handle connected to the end effector. The handle comprises a power source, an electric motor supplied with power from the power source, and a closure assembly comprising a drive part that is selectively moved by the motor along a drive-part axis and is operatively connected to the end effector such that, when the motor is supplied with power, the drive part advances the movable tissue-compressing surface towards the opposing tissue-compressing surface at a differential rate of speed dependent upon a position of the drive part along the drive-part axis.

Electrosurgical device

A surgical instrument has an end effector mounted on the end of an elongate shaft extending from a handle. The end-effector grasps, cuts, and seals and/or coagulates tissue, and one of the operations is controlled by a trigger mechanism. The trigger mechanism has an actuator, drive shaft and flanged component for transferring movement of the actuator to the drive shaft whose movement controls the end effector. The actuator has a collar portion arranged to receive and retain the component. The component is free to rotate within the collar and has a keyhole-shaped arrangement, with a wider upper portion, and narrower lower portion to provide a sliding fit to the component main body. The component can be inserted into the wider upper portion, and then the main body of the component lowered into the narrower lower portion, with the flange of the component helping the component to be retained therein axially.

Electrosurgical device

An improved surgical instrument having an end effector mounted on the end of an elongate shaft extending from a handle. The end-effector is capable of several different operations, including grasping, cutting, and sealing and/or coagulating tissue, and one of the operations is controlled by a trigger mechanism contained within the handle. In some embodiments, the end effector includes a blade assembly, the trigger mechanism being formed of a three pivot slider-crank mechanism arranged to drive the blade assembly longitudinally along a rotatable drive shaft contained within the elongate shaft. As such, the mechanism is configured so as to drive the blade assembly with enough force that the cutting blade is able to cut through tissue without the user needing to apply any additional force to the trigger, the me. Such an arrangement is particularly advantageous when the blade is being used to cut thick tissue.

Electrosurgical device

A surgical instrument having an end effector mounted on the end of an elongate shaft extending from a handle. The end-effector is capable of different operations, including grasping, cutting, and sealing and/or coagulating tissue, and one of the operations is controlled by a trigger mechanism contained within the handle. In some embodiments, the end effector includes a blade assembly, the trigger mechanism being arranged to drive the blade assembly longitudinally within the elongate shaft. Specifically, the trigger mechanism is formed of a three pivot slider-crank mechanism, wherein one of the pivot points includes a component to which the proximal end of the blade assembly is connected. In this respect, the proximal end of the blade assembly has a distinctive profile corresponding to the internal profile of the component such that the blade can be easily connected to the component without the need for any further features and subsequently retained therein.

Electrosurgical device

Invention provides improved surgical instrument having end effector mounted on end of elongate shaft extending from a handle. End-effector is capable of several different operations, including grasping, cutting, and sealing and/or coagulating tissue, and one of the operations is controlled by actuating mechanism contained within handle. Mechanism includes drive shaft, actuator and component for transferring movement of actuator to drive shaft, which in turn controls end effector. Mechanism is configured wherein component and drive shaft are assembled via a snap-fit connection, thus providing a simple assembly without need for any additional features. For example, proximal end of drive shaft is provided with flexible tabs arranged to engage with a shoulder within internal cavity of component. As such, when drive shaft is inserted in to internal cavity of component, flexible tabs snap into shoulder and retain drive shaft firmly in place.

Electrosurgical device

An improved surgical instrument having an end effector mounted on the end of an elongate shaft extending from a handle. The end-effector has different operations, including grasping, cutting, and sealing and/or coagulating tissue, and one of the operations is controlled by a drive handle mechanism. The drive handle mechanism includes an actuator, a drive shaft and a spring assembly for transferring movement of the actuator to the drive shaft, which in turn controls the end effector. The drive handle mechanism limits the amount of force transferred from the drive handle mechanism to the end effector, preventing damage to the tissue. As the actuator is operated, the spring assembly transfers the movement of the actuator to the drive shaft and the end effector. At the same time, the spring assembly compresses to absorb some of the force applied. Such configuration prevents the tissue being unintentionally damaged by the end effector.

SURGICAL CLIP APPLIER WITH INTEGRATED CLIP COUNTER

A surgical clip applier is provided including a channel assembly and overlying a clip carrier having a clip counter plate slidably supported in the channel assembly, wherein the clip counter plate is configured and adapted to display a change in status of the clip applier upon actuation of the handle. 1. (canceled)2. A surgical clip applier , comprising: 'a clip counter plate slidably supported in the channel assembly, the clip counter plate including a plurality of discrete indicia formed on and along a length of a first surface and a plurality of recesses formed in a second surface thereof, wherein the clip counter plate is configured and adapted to display a change in a status of the clip applier upon actuation of the clip applier; and', 'a channel assembly operatively coupled to an actuation assembly, the channel assembly includinga walking beam translatably disposed within the channel assembly and operatively coupled to the actuation assembly, the walking beam including a tab dimensioned to selectively engage the plurality of recesses formed in the second surface of the clip counter plate, wherein upon actuation of the actuation assembly, the walking beam is translated in a first direction, such that the tab of the walking beam engages the clip counter plate to slide the clip counter plate in the first direction, wherein upon sliding of the clip counter plate in the first direction, one discrete indicia of the plurality of discrete indicia is discernible to display the change in the status of the clip applier.3. The clip applier according to claim 2 , further comprising:a housing supporting the channel assembly;a clip carrier disposed within the channel assembly and defining a channel; anda plurality of clips slidably disposed within the channel of the clip carrier.4. The clip applier according to claim 3 , wherein each discrete indicia of the plurality of discrete indicia relates to a corresponding quantity of clips of the plurality of clips contained in the ...

Method for usage of the shroud as an aspect of sensing or controlling a powered surgical device, and a control algorithm to adjust its default operation

A method for controlling a surgical instrument is disclosed. In at least one instance, the surgical instrument comprises a shroud and the operation of the surgical instrument is modified based on input from a sensing circuit configured to sense a parameter of the shroud. In certain instances, the surgical instrument comprises a strain gage circuit and the operation of the surgical instrument is modified based on input from the strain gage circuit.

Ultrasonic energy device which varies pressure applied by clamp arm to provide threshold control pressure at a cut progression location

Surgical instruments and system and methods for using surgical instruments are disclosed. A surgical instrument comprises an end effector comprising an ultrasonic blade and clamp arm, an ultrasonic transducer, and a control circuit. The ultrasonic transducer ultrasonically oscillates the ultrasonic blade in response to a drive signal from a generator. The end effector receives electrosurgical energy to weld tissue. The control circuit determines a resonant frequency measure indicative of a thermally induced change in resonant frequency and a electrical continuity measure; calculates a weld focal point based on the determined measures, controls closure of the clamp arm to vary a pressure applied by the clamp arm to provide a threshold control pressure to the tissue loaded into the end effector, and maintains a gap between the ultrasonic blade and clamp arm at a point proximal to the proximal end of the tissue. Pressure is varied based on corresponding weld focal point.

Force-limiting and Damping Device

A force-limiting and damping device has a body, a tapping element, and an elastic element. The body has a connecting segment and a holding segment. The connecting segment is formed on an end of the body and has a mounting hole. The holding segment is formed on the body opposite the connecting segment. The tapping element is connected to the body to move relative to the connecting segment. The elastic element is mounted between the tapping element and the connecting segment to abut against the tapping element and to enable the tapping element to move relative to the connecting segment. The structural relationship between the connecting segment, the tapping element, and the elastic element may provide a delayed rebound and damping effect to the reaction force, and the applied force is continuously transferred to a tapping object, and this may reduce noise and the loss of energy.

Method for operating surgical instrument systems

A method for adjusting the operation of a surgical instrument using machine learning in a surgical suite is disclosed.

Pressure-regulated balloon apparatus positioned in the cavity formed in the brain after surgery

A pressure-regulated balloon apparatus is provided to prevent brain collapse, to solve negative/positive pressure imbalances formed, and to prevent bleeding by pressure with a soft effect to the cavity formed after brain cyst and tumor surgery.

STAPLE FORMING POCKET ARRANGEMENT TO ACCOMMODATE DIFFERENT TYPES OF STAPLES

A surgical stapling system is disclosed. In various embodiments, the system comprises a staple cartridge attachment portion, a first staple cartridge configured to be operably attached to the cartridge attachment portion, wherein the first cartridge comprises a plurality of first staples comprising first staple legs, and a second staple cartridge configured to be operably attached to the cartridge attachment portion in lieu of the first cartridge, wherein the second cartridge comprises a plurality of second staples comprising second staple legs, and wherein the second staples are different than the first staples. The system further comprises an anvil comprising a tissue-engaging surface and a plurality of forming pockets defined in the surface, wherein each pocket comprises a first landing zone configured to receive a leg of a first staple of the first cartridge and a second landing zone configured to receive a leg of a second staple of the second cartridge. 1. A surgical stapling system , comprising:a staple cartridge attachment portion;a first staple cartridge configured to be operably attached to said staple cartridge attachment portion, wherein said first staple cartridge comprises a plurality of first staples comprising first staple legs;a second staple cartridge configured to be operably attached to said staple cartridge attachment portion, wherein said second staple cartridge comprises a plurality of second staples comprising second staple legs, and wherein said first staples and said second staples are different; and a tissue-engaging surface; and', a first landing zone configured to receive a said leg of a said first staple; and', 'a second landing zone configured to receive a said leg of a said second staple., 'a plurality of forming pockets defined in said tissue-engaging surface, wherein each said forming pocket comprises], 'an anvil, comprising2. The surgical stapling system of claim 1 , wherein said anvil comprises an anvil slot defining an anvil ...

Surgical clip applier with integrated clip counter

A surgical clip applier is provided including a channel assembly and overlying a clip carrier having a clip counter plate slidably supported in the channel assembly, wherein the clip counter plate is configured and adapted to display a change in status of the clip applier upon actuation of the handle.

Drive mechanisms for surgical instruments such as for use in robotic surgical systems

A gearbox assembly and surgical instrument including the same. The gearbox assembly includes a drive gear including a round gear and a lead screw such that a rotational input to the round gear rotates the lead screw. A first hub is threadingly engaged about the lead screw such that rotation of the lead screw translates the first hub. A second hub is spaced-apart from the first hub and engaged with a drive rod. A compression spring is disposed between the hubs. When a force acting against the drive rod is below a threshold, the rotational input translates the first hub, compression spring, second hub, and drive rod. When the force is equal to or above the threshold, the rotational input translates the first hub and compresses the compression spring against the second hub to maintain the second hub and drive rod in position.

Handle to apply a torque and delivery unit provided with such handle

A handle connectable to a screw-type mechanical drive component for transmitting to the latter a first torque comprises first connection means, defining a constraint axis, for the connection of the handle to the mechanical drive component, a ring nut to which a second torque is manually applicable, support means of the ring nut for rotatably supporting the latter around an axis of rotation coinciding, in use, with the constraint axis, second means for connecting the ring nut to the support means, for connecting/disconnecting the ring nut and the support means in a mechanical and selective way, so that the ring nut is kinematically connected to the support means when rotated around the axis of rotation with a second torque lower than a threshold value and kinematically disconnected from the same upon exceeding such a threshold value.

Bone fusion device

A bone fusion device for insertion between bones that are to be fused together, such as, for example, the vertebrae of a spinal column. The bone fusion device comprises at least one extendable tab and one or more tab extension assemblies. Each tab extension assembly is able to be adjusted in order to individually control the extension or contraction of a side of the tab thereby enabling adjustment of the height and/or angle of the tab with respect to the body of the bone fusion device. Each tab extension assembly is able to be individually adjusted such that the side controlled by each assembly is raised or lowered until the desired tab angle is achieved. The tab is advantageously positioned and angled to correspond to the vertebrae to help brace the device until the bone has fused.

Clip Applier with Clip Follower

A surgical clip applier and methods for applying surgical clips to a vessel, duct, shunt, etc., during a surgical procedure are provided. In one exemplary embodiment, a surgical clip applier is provided having a housing with a trigger movably coupled thereto and a shaft extending therefrom with opposed jaws formed on a distal end thereof. The trigger is adapted to advance a clip to position the clip between the jaws, and to move the jaws from an open position to a closed position to crimp the clip positioned therebetween. The surgical clip applier can include a variety of features to facilitate use of the device, including features to align a clip with the jaws, features to prevent unintentional migration of a clip, and features to prevent clip fallout during formation. 1. A surgical clip applier , comprising:a shaft;first and second jaws at a distal end of the shaft and adapted to receive tissue therebetween;a clip carrier extending through the shaft having a plurality of clips seated therein;a clip follower shoe disposed within the clip carrier for urging the plurality of clips in a distal direction, the clip follower shoe including a first tab extending projecting from a first surface of the clip follower shoe and a second tab projecting from a second surface of the clip follower shoe opposite to the first surface;a clip advancer member extending through the shaft, wherein the clip advancer member engages with the first tab of the clip follower shoe as the clip advancer member is moved distally such that the clip follower shoe is moved distally to advance the plurality of clips, and wherein the second tab of the clip follower shoe engages a feature as the clip advancer member is moved proximally such that the feeder show is prevented from moving proximally.2. The surgical clip applier of claim 1 , wherein the first tab of the clip follower shoe is configured to extend into a window in the clip advancer member to engage a ledge of the window.3. The surgical clip ...

DISPENSING DEVICE AND METHOD FOR DELIVERING FILAMENTARY MATERIAL INTO A PATIENT

There are disclosed various dispensing mechanisms for dispensing filamentary material through a catheter into a treatment site of a patient, for example into an aneurysm sack in a patient's vessel. In one embodiment the assembly includes a conical material carrier which is substantially aligned with the dispensing direction, thereby avoiding the need to have a rotating carrier. Another embodiment has a carrier which is at least partially cylindrical. The carrier provides for efficient dispensation of filamentary material at substantial dispensing speeds. 1. A carrier for carrying filamentary material deliverable into a patient , the carrier including an elongate body portion having a distal end and a proximal end; and filamentary material wound around the body portion , the filamentary material being wound from the distal end of the carrier to the proximal end of the carrier.2. A carrier according to claim 1 , wherein at least a part of the filamentary material is wound on the material carrier in sections from the distal end to the proximal end.3. A carrier according to claim 1 , wherein at least a part of the filamentary material is wound on the material carrier in sections up to a maximum wound diameter on the material carrier from the distal end to the proximal end.4. A carrier according to claim 1 , wherein at least a part of the filamentary material is wound in conical layers on the carrier.5. A carrier according to claim 1 , wherein the filamentary material carried on the material carrier includes one or more of: SIS claim 1 , polysaccharide claim 1 , a biocompatible polymeric thread or other biocompatible material.6. A carrier according to claim 1 , wherein the filamentary material carried on the material carrier includes one or more of: woven polyester claim 1 , polyamide claim 1 , expanded polytetrafluoroethylene; bioremodelable materials such as: extracellular matrix material including submucosa claim 1 , renal capsule membrane claim 1 , dermal collagen ...

AUTOMATED INTRAOCULAR PRESSURE TAMPONADE

An ophthalmic surgical system includes an imaging device configured to acquire a first image of a fundus of an eye and a hemorrhage detecting unit. The hemorrhage detecting unit includes a processor configured to receive the first fundus image from the imaging device, analyze the first fundus image to detect a hemorrhage in the eye, and in response to detecting the hemorrhage, send a signal to an intraocular pressure controller. The ophthalmic surgical system further includes the intraocular pressure controller, which includes a processor configured to receive the signal from the hemorrhage detecting unit, in response to the received signal, determine if a current intraoperative pressure of the eye is below a predetermined threshold, and in response to determining the current intraoperative pressure of the eye is below the predetermined threshold, generate a signal to increase the intraoperative pressure of the eye. 1. An ophthalmic surgical system , comprising:an imaging device configured to acquire a first image of a fundus of an eye; receive the first fundus image from the imaging device;', 'analyze the first fundus image to detect a hemorrhage in the eye; and', 'in response to detecting the hemorrhage, send a signal to an intraocular pressure controller;, 'a hemorrhage detecting unit comprising a processor configured to receive the signal from the hemorrhage detecting unit;', 'in response to the received signal, determine if a current intraoperative pressure of the eye is below a predetermined threshold; and', 'in response to determining the current intraoperative pressure of the eye is below the predetermined threshold, generate a signal to increase the intraoperative pressure of the eye., 'the intraocular pressure controller comprising a processor configured to2. The ophthalmic surgical system of claim 1 , wherein the processor of the intraocular pressure controller is further configured to:prior to generating a signal to increase the intraoperative pressure ...

Device and method for controlling compression of tissue

A method and device for controlling the compression of tissue include clamping tissue between a first clamping member and a second clamping member by driving at least one of the clamping members with an electric motor toward a predetermined tissue gap between the clamping members and, during the clamping, monitoring a parameter of the electric motor indicative of a clamping force exerted to the tissue by the clamping members. The method and device include, during the clamping, controlling the electric motor, based on the monitored parameter, to limit the clamping force to a predetermined maximum limit.

Surgical Clip Applier Methods

A surgical clip applier and methods for applying surgical clips to a vessel, duct, shunt, etc., during a surgical procedure are provided. In one exemplary embodiment, a surgical clip applier is provided having a housing with a trigger movably coupled thereto and an elongate shaft extending therefrom with opposed jaws formed on a distal end thereof. The trigger is adapted to advance a clip to position the clip between the jaws, and to move the jaws from an open position to a closed position to crimp the clip positioned therebetween. 18-. (canceled)9. A surgical clip applier , comprising:a housing having an elongate shaft extending therethrough with a pair of jaws at a distal end thereof, the pair of jaws being movable between an open position and a closed position;a camming assembly extending from the housing through the elongate shaft, the camming assembly being configured to move distally to apply a closing force to the pair of jaws to move the jaws from the open position to the closed position;wherein a force required to distally move the camming assembly to move the pair of jaws from the open position to the closed position is prevented from exceeding a threshold force, and wherein the threshold force increases as the camming assembly moves distally to move the jaws from the open position to the closed position.10. The surgical clip applier of claim 9 , wherein the camming assembly is configured to apply a non-linear closing force to the pair of jaws.11. The surgical clip applier of claim 9 , further comprising a clip stack disposed within the elongate shaft claim 9 , and a clip advancing assembly configured to distally advance the clip stack and to advance a distal-most clip into the pair of jaws.12. The surgical clip applier of claim 9 , further comprising an overload assembly disposed within the housing and configured to prevent the force required to distally move the camming assembly from exceeding the threshold force.13. The surgical clip applier of claim 12 ...

SURGICAL STAPLING APPARATUS EMPLOYING A PREDICTIVE STAPLING ALGORITHM

A surgical device is provided that includes a tool assembly having an anvil assembly and a cartridge assembly configured to grasp tissue therebetween, the cartridge assembly including a plurality of surgical fasteners. A motor is configured to fire one or more surgical fasteners. A sensor determines a first parameter of the tool assembly and a control system adjusts a second parameter of the motor used to fire the one or more surgical fasteners based on the first parameter detected by the sensor. 1. A surgical device , comprising:a tool assembly having an anvil assembly and a cartridge assembly configured to grasp tissue therebetween, the cartridge assembly including a plurality of surgical fasteners;a motor configured to fire one or more surgical fasteners;a sensor configured to determine a first parameter of the tool assembly; anda control system configured to adjust a second parameter of the motor used to fire the one or more surgical fasteners based on the first parameter detected by the sensor.2. The surgical device of claim 1 , wherein the first parameter is a clamp force between the anvil assembly and the cartridge assembly.3. The surgical device of claim 2 , wherein the second parameter is a firing speed of the motor.4. The surgical device of claim 2 , wherein the second parameter is a wait time between a clamping state of the surgical device and a firing state of the surgical device.5. The surgical device of claim 1 , wherein the sensor is a strain gauge.6. The surgical device of claim 1 , further comprising a display configured to display a predicted firing speed of the surgical device.7. A method for determining a firing speed of a surgical device having a tool assembly with a cartridge assembly and an anvil assembly and a motor configured to actuate the tool assembly claim 1 , the method comprising:determining a clamp force between the cartridge assembly and the anvil assembly;determining a firing speed of the motor based on the clamp force.8. The method ...

Electrical Surgical Instrument with Optimal Tissue Compression

A surgical device that comprises a tissue compression device that applies a compression force to tissue, a tissue-compression-measurement device having a mechanically-biased switching element disposed in line with the tissue compression device, wherein the tissue-compression-measurement device indicates when an amount of the compression force applied to the tissue reaches a pre-determined optimal compression force, and a feedback controller electrically connected to the tissue-compression-measurement device and receiving the indication from the tissue-compression-measurement device. A staple firing procedure is permitted to be carried out on the compressed tissue only when the feedback controller receives the indication that the pre-determined optimal compression force has been reached. 1. A surgical device , comprising:a tissue compression device, comprising an anvil and a staple cartridge positioned opposite one another such that, upon closure of the anvil, a compression force is applied to tissue interposed between the anvil and the staple cartridge;a tissue-compression-measurement device comprising a mechanically-biased switching element disposed in line with the tissue compression device, wherein the tissue-compression-measurement device indicates when an amount of the compression force applied to the interposed tissue reaches a pre-determined optimal compression force; anda feedback controller electrically connected to the tissue-compression-measurement device and receiving the indication from the tissue-compression-measurement device that the pre-determined optimal compression force has been reached; andwherein a staple firing procedure is permitted to be carried out on the compressed tissue only when the feedback controller receives the indication that the pre-determined optimal compression force has been reached.2. The surgical device according to claim 1 , wherein the switching element has first and second switching states changed solely by mechanical ...

BONE FUSION DEVICE

A bone fusion device for insertion between bones that are to be fused together, such as, for example, the vertebrae of a spinal column. The bone fusion device comprises at least one extendable tab and one or more tab extension assemblies. Each tab extension assembly is able to be adjusted in order to individually control the extension or contraction of a side of the tab thereby enabling adjustment of the height and/or angle of the tab with respect to the body of the bone fusion device. Each tab extension assembly is able to be individually adjusted such that the side controlled by each assembly is raised or lowered until the desired tab angle is achieved. The tab is advantageously positioned and angled to correspond to the vertebrae to help brace the device until the bone has fused. 1. A bone fusion device for insertion into a desired location comprising:a body;a tab configured to selectively move from a retracted position adjacent to the body to an extended position at least partially protruding from the body;a first extension assembly comprising a first drive mechanism and a first drive screw having a first cutout, the first extension assembly configured to selectively move the tab between the retracted position and the extended position; anda second extension assembly comprising a second drive mechanism and a second drive screw, the second extension assembly configured to selectively move the tab between the retracted position and the extended position, wherein a portion of the second drive mechanism is positioned within the first cutout of the first drive screw.2. The device of claim 1 , wherein each of the first and second drive mechanisms comprise a worm gear operably coupled between the first or second drive screw and a support jack such that rotation of the first or second drive screw rotates the worm gear which retracts or extends the support jack into or out of the worm gear.3. The device of claim 2 , wherein at least one of the first and second drive ...

Device and method for controlling compression of tissue

A method and device for controlling the compression of tissue include clamping tissue between a first clamping member and a second clamping member by driving at least one of the clamping members with an electric motor toward a predetermined tissue gap between the clamping members and, during the clamping, monitoring a parameter of the electric motor indicative of a clamping force exerted to the tissue by the clamping members. The method and device include, during the clamping, controlling the electric motor, based on the monitored parameter, to limit the clamping force to a predetermined maximum limit.

VASCULAR CLOSURE DEVICES AND METHODS PROVIDING HEMOSTATIC ENHANCEMENT

Vascular closure devices and methods for closing a blood vessel puncture site disposed at a distal end of a tissue tract are described. A combination of the body's own natural mechanism with chemical and/or biological agents is relied upon to accelerate the hemostatic process. Included are steps of introducing a closure device through the tissue tract and deploying an expansible member at a distal end of the device within the blood vessel to occlude the puncture site. A sealing member disposed proximal the expansible member is then displaced by retracting and tensioning a coil spring so as to expose a chemical and/or biological region or release region of the device. The retraction and tensioning of the coil spring is limited by a coupling member. Exposure of blood and tissue to the chemical and/or biological sealing member promotes the clotting processing to accelerate the occlusion process in the tract. 151-. (canceled)52. A method for closing a blood vessel puncture site disposed at a distal end of a tissue tract , the method comprising:introducing a closure device through the tissue tract;deploying an expansible member at a distal end of the closure device within the blood vesselretracting the closure device through the tissue tract so that the deployed expansible member is seated against the puncture site; anddeploying a tensioning element proximal the deployed expansible member to seal the deployed expansible member against the puncture site.53. The method of claim 52 , further comprising gauging claim 52 , with the aid of the tensioning element claim 52 , tension applied to the deployed expansible member as the expansible member is seated against the puncture site.54. The method of claim 53 , wherein the tension applied is gauged to prevent a user from applying excessive force on the closure device.55. The method of claim 52 , further comprising providing claim 52 , with the aid of the tensioning element claim 52 , compliance in response to patient movement ...

Electrosurgical forceps

An electrosurgical forceps includes a pair of first and second shaft members pivotably coupled to one another, an end effector assembly coupled to the pair of first and second shaft members, and a resilient, compressible pivot assembly pivotably coupling the first and second shaft members to one another.

Surgical stapling instrument with mechanical indicator to show levels of tissue compression

Various forms of surgical instruments are disclosed. In various embodiments, the instrument includes a cartridge supporting assembly for operably supporting a staple cartridge therein. The cartridge supporting assembly may be responsive to firing and retraction motions applied thereto from a firing assembly. An anvil may be operably coupled to an anvil closure assembly. The anvil closure assembly may be constructed to selectively move the anvil in a proximal direction toward the cartridge supporting assembly to enable a portion of tissue to be clamped between a cartridge supported by the cartridge supporting assembly and the anvil under a predetermined amount of compression. The device may further include a closure actuator that operably interacts with the anvil closure assembly such that as the closure actuator is moved in a first direction, the anvil closure assembly causes the anvil to move in the proximal direction to increase the compression of the tissue between the staple cartridge and the anvil. A variable load generating member may cooperate with the anvil closure assembly and the closure actuator to apply a resistive load to the closure actuator in relation to an amount of compression applied to the tissue between the anvil and the staple cartridge.

System and method for externally controlled surgical navigation

The present invention is directed to a system and method which allows for the mounting of a medical navigation system external to a patient. In one embodiment, displacement device is mounted around a patient's torso and serves to displace (e.g., distract or compress) the patient's skeleton in a manner such that the target site becomes fixed relative to a site on the displacement device. A navigation transmitter can then be mounted to the displacement device. The device has a quick disconnect that allows it to be removed without first releasing the displacement. Displacement can be controlled by pneumatic, hydraulic, electrical or by screw action. In one embodiment, the device can be used to position a patient on an operating table.

Controlled food flow in a patient

In the treatment of morbid obesity or heartburn and reflux disease an elongated restriction member ( 12 ) is formed in a substantially closed loop around a human's stomach or esophagus to form a stoma opening in the stomach or esophagus. The size of the stoma opening is adjustable by an implanted adjustment device. A control device ( 22 ) is utilized to control the adjustment device, in order to either reduce or enlarge the size of the stoma opening, for example in response to the time of the day. Nausea in a treated obese human can be minimized or substantially eliminated as a result of the control device controlling the adjustment device to keep the stoma opening substantially fully open between meals (such as at night when the human is sleeping). A sensor ( 23 ), such as a pressure or position sensor, is surgically implanted in the human's body so that the sensor may either directly or indirectly sense a physical parameter of the human, such as the pressure in the stomach or the human's orientation with respect to the horizontal. If in response to sensing by the sensor it is determined by the control device that a significant change in the physical parameter has occurred, then the control device controls the adjustment device to either reduce or enlarge the size of the stoma opening.

Surgical clip advancement mechanism

A surgical clip applier and methods for applying surgical clips to a vessel, duct, shunt, etc., during a surgical procedure are provided. In one exemplary embodiment, a surgical clip applier is provided having a housing with a trigger movably coupled thereto and an elongate shaft extending therefrom with opposed jaws formed on a distal end thereof. The trigger is adapted to advance a clip to position the clip between the jaws, and to move the jaws from an open position to a closed position to crimp the clip positioned therebetween.

Stoma opening forming apparatus

An apparatus for forming a stoma opening is used for the treatment of morbid obesity or heartburn and reflux disease. An implanted elongated restriction member (12) of the apparatus is formed in a substantially closed loop around a human's stomach or esophagus to define a restriction opening (16), whereby a corresponding stoma opening is formed in the stomach or esophagus. The size of the restriction opening is adjustable by an implanted adjustment device. A control device (22) is utilized to control the adjustment device, in order to either reduce or enlarge the size of the restriction opening. Nausea in a treated obese human can be minimized or substantially eliminated as a result of the control device controlling the adjustment device to keep the restriction opening substantially fully open between meals (such as at night when the human is sleeping). A sensor (23), such as a pressure or position sensor, is surgically implanted in the human's body so that the sensor may either directly or indirectly sense a physical parameter of the human, such as the pressure in the stomach or the human's orientation with respect to the horizontal. If in response to sensing by the sensor it is determined by the control device that a significant change in the physical parameter has occurred, then the control device controls the adjustment device to either reduce or enlarge the size of the restriction opening.

Surgical clip advancement mechanism

A surgical clip applier and methods for applying surgical clips to a vessel, duct, shunt, etc., during a surgical procedure are provided. In one exemplary embodiment, a surgical clip applier is provided having a housing with a trigger movably coupled thereto and an elongate shaft extending therefrom with opposed jaws formed on a distal end thereof. The trigger is adapted to advance a clip to position the clip between the jaws, and to move the jaws from an open position to a closed position to crimp the clip positioned therebetween.

Integrated cement delivery system for bone augmentation procedures and methods

Stoma opening forming apparatus

An apparatus for forming a stoma opening is used for the treatment of morbid obesity or heartburn and reflux disease. An implanted elongated restriction member (12) of the apparatus is formed in a substantially closed loop around a human's stomach or esophagus to define a restriction opening (16), whereby a corresponding stoma opening is formed in the stomach or esophagus. The size of the restriction opening is adjustable by an implanted adjustment device. A control device (22) is utilized to control the adjustment device, in order to either reduce or enlarge the size of the restriction opening. Nausea in a treated obese human can be minimized or substantially eliminated as a result of the control device controlling the adjustment device to keep the restriction opening substantially fully open between meals (such as at night when the human is sleeping). A sensor (23), such as a pressure or position sensor, is surgically implanted in the human's body so that the sensor may either directly or indirectly sense a physical parameter of the human, such as the pressure in the stomach or the human's orientation with respect to the horizontal. If in response to sensing by the sensor it is determined by the control device that a significant change in the physical parameter has occurred, then the control device controls the adjustment device to either reduce or enlarge the size of the restriction opening.

End effector for use with a surgical fastening instrument

A staple cartridge comprising a cartridge body is disclosed. The cartridge body comprises staple cavities defined in the cartridge body. The staple cavities are arranged in an inner longitudinal row of staple cavities, a middle longitudinal row of staple cavities, and an outer longitudinal row of staple cavities. The staple cartridge also comprises a proximal staple driver configured to eject a first quantity of staples. The staple cartridge also comprises an intermediate staple driver positioned distally to the proximal staple driver, wherein the intermediate staple driver is configured to eject a second quantity of staples. The staple cartridge further comprises a distal staple driver positioned distally to the intermediate staple driver, wherein the distal staple driver is configured to eject a third quantity of staples.

Articulatable surgical instruments with articulation stroke amplification features

A surgical tool assembly that includes an elongate shaft that has an end effector coupled thereto for selective articulation relative to the shaft. A first articulation link operably interfaces with a source of articulation motions configured to selectively axially move the first articulation link a first axial distance in a first articulation direction. A second articulation link operably interfaces with the surgical end effector to apply articulation motions thereto. An articulation stroke multiplier operably interfaces with the first articulation link and the second articulation link such that when the first articulation link is axially moved the first axial distance in the first axial direction, the articulation stroke multiplier moves the second articulation link another first axial distance in the first axial direction that is greater than the first axial distance.

Staple forming pocket arrangement to accommodate different types of staples

A surgical stapling system is disclosed. In various embodiments, the system comprises a staple cartridge attachment portion, a first staple cartridge configured to be operably attached to the cartridge attachment portion, wherein the first cartridge comprises a plurality of first staples comprising first staple legs, and a second staple cartridge configured to be operably attached to the cartridge attachment portion in lieu of the first cartridge, wherein the second cartridge comprises a plurality of second staples comprising second staple legs, and wherein the second staples are different than the first staples. The system further comprises an anvil comprising a tissue-engaging surface and a plurality of forming pockets defined in the surface, wherein each pocket comprises a first landing zone configured to receive a leg of a first staple of the first cartridge and a second landing zone configured to receive a leg of a second staple of the second cartridge.

Staple cartridge and staple cartridge channel comprising windows defined therein

A surgical instrument is disclosed comprising a cartridge jaw and a series of windows in the cartridge jaw configured to permit a clinician to observe the firing progress of the surgical instrument.

Surgical stapling systems

A system is disclosed. The system can comprise a replaceable staple cartridge comprising a plurality of staples, a proximal laterally-protruding lug, and a distal laterally-protruding lug. The system can further comprise a channel configured to receive the replaceable staple cartridge, wherein the channel comprises a sidewall comprising a proximal receptacle positioned and dimensioned to receive the proximal laterally-protruding lug and a distal receptacle positioned and dimensioned to receive the distal laterally-protruding lug.

Staple cartridge including a compressible member

A staple cartridge comprising a cartridge body, a surgical staple, and a compressible member is disclosed. The surgical staple is movable from an unfired position to a fired position. The surgical staple is deformable from a first shape in the unfired position to a second shape in the fired position during a firing stroke. The surgical staple is ejected from the cartridge body during the firing stroke. The surgical staple comprises a crown, a first deformable member extending from the crown, and a second deformable member extending from the crown. The compressible member is positioned intermediate the first deformable member, the second deformable member, and the crown after the surgical staple has been deformed into the second shape. The compressible member is at least partially positioned between the first deformable member and the second deformable member of the surgical staple when the surgical staple is in the unfired position.

Methods of stapling tissue

A method of stapling tissue is disclosed. The method can include obtaining a staple cartridge including a plurality of staples, wherein each staple has a base and a leg extending from the base. The stapling method can also include firing the staples from the staple cartridge, wherein the staples are fired into tissue in a staple line. The staple line can include a first portion having a first flexibility and a second portion having a second flexibility, wherein the second flexibility is different than the first flexibility. A method of stapling tissue can also include adapting an anvil with an anvil plate having an arrangement of staple-forming pockets that differs from the staple-forming pockets in the anvil.

Surgical staple cartridge with movable camming member configured to disengage firing member lockout features

A surgical staple cartridge for use with a surgical end effector that includes a lock member that is movable between a locked configuration wherein a firing member is prevented from axial travel through the surgical end effector and an unlocked configuration wherein the firing member is axially advanceable. The staple cartridge includes a cartridge body that supports a cam assembly therein that is movable between a starting position and an ending position. The cam assembly defines a central axis and includes at least one unlocking feature that is laterally offset from the central axis and is configured to engage the lock member when the cartridge body is seated within the end effector and the cam assembly is in said starting position to thereby move the lock member to the unlocked configuration.

Firing assembly comprising a lockout

Surgical instruments are disclosed which comprise a firing assembly configured to apply a firing force to an end effector. The surgical instruments further comprise a firing force lockout configured to stop and/or prevent a firing stroke of the firing assembly.

Staple forming pocket arrangement to accommodate different types of staples

A surgical stapling system is disclosed. In various embodiments, the system comprises a staple cartridge attachment portion, a first staple cartridge configured to be operably attached to the cartridge attachment portion, wherein the first cartridge comprises a plurality of first staples comprising first staple legs, and a second staple cartridge configured to be operably attached to the cartridge attachment portion in lieu of the first cartridge, wherein the second cartridge comprises a plurality of second staples comprising second staple legs, and wherein the second staples are different than the first staples. The system further comprises an anvil comprising a tissue-engaging surface and a plurality of forming pockets defined in the surface, wherein each pocket comprises a first landing zone configured to receive a leg of a first staple of the first cartridge and a second landing zone configured to receive a leg of a second staple of the second cartridge.

Articulatable surgical end effector with asymmetric shaft arrangement

A surgical tool assembly. A surgical end effector is movably coupled to a shaft assembly by an articulation joint that is configured to facilitate selective articulation of the surgical end effector relative to the shaft assembly. The shaft assembly includes a proximal end portion and a distal end portion. The distal end portion is operably coupled to the articulation joint. An elongate notch is provided in the distal end portion and is located on one lateral side of a shaft axis that is defined by the shaft assembly. The shaft assembly may be configured to prevent the distal end portion from buckling when an axial actuation motion is applied to the proximal end.

Method for resetting a fuse of a surgical instrument shaft

Methods for resetting a fuse in a surgical instrument are disclosed.

Jaw actuated lock arrangements for preventing advancement of a firing member in a surgical end effector unless an unfired cartridge is installed in the end effector

A surgical end effector including a first jaw that is configured to operably support a surgical staple cartridge therein and a second jaw that is movably supported relative to the first jaw between open and closed positions. A firing member is supported for axial movement within the first jaw along a shaft axis between a starting position and an ending position. A firing member lockout system is movable between an unlocked position wherein the firing member lockout system is out of engagement with the firing member and a locked position wherein the firing member lockout system is configured to prevent the firing member from being distally advanced from the starting position unless an unfired staple cartridge comprising a cam assembly that is located in an unfired position is supported within the first jaw. The firing member lockout system is configured to be moved from the unlocked position to the locked position when the second jaw is moved to the closed position.

Laterally actuatable articulation lock arrangements for locking an end effector of a surgical instrument in an articulated configuration

A surgical instrument that includes an elongate shaft that has an end effector coupled thereto for selective articulation relative to the shaft. At least one articulation link operably interfaces with a source of articulation motions and is coupled to the end effector for applying articulation motions thereto. An articulation lock member corresponds to each articulation link and is configured to laterally move into locking engagement with the corresponding articulation link from an unlocked position that is laterally adjacent to the corresponding articulation link. An actuation system operably interfaces with each of the articulation lock members to selectively laterally move each articulation lock member from the unlocked position into locking engagement with the corresponding articulation link.

Surgical instrument for use with a robotic surgical system

A surgical instrument for use with a robotic system is disclosed. The surgical instrument comprises a mounting portion, an elongate shaft, an articulation joint, an end effector, and a firing member. The end effector comprises an anvil and an elongate channel configured to receive a cartridge including staples. The anvil comprises a proximal end connected to the elongate channel, an outer surface, an under surface facing the elongate channel, a plurality of forming pockets defined in the undersurface, and a distal end extending below the under surface. The firing member is translatable from a starting position to an ending position to eject the staples from the cartridge during a firing stroke in response to an output motion from the robotic system. The firing member is viewable by a clinician through an opening at a proximal end of the end effector when the firing member is in the starting position.

Surgical stapling systems

A method is disclosed. The method can comprise obtaining a first staple cartridge and obtaining a second staple cartridge, wherein the first staple cartridge and the second staple cartridge comprise the same length and the same width. The method can further comprise inserting the first staple cartridge into a channel comprising a keyed profile, wherein complete insertion of the first staple cartridge into the channel is prevented by the keyed profile. Additionally, the method can comprise inserting the second staple cartridge into the channel, wherein complete insertion of the second staple cartridge into the channel is permitted by the keyed profile.

Articulatable surgical instrument with independent pivotable linkage distal of an articulation lock

A surgical tool assembly that includes a elongate shaft assembly that defines a shaft axis. A surgical end effector is movably coupled to the elongate shaft assembly by a distal support link that is pivotally coupled to the surgical end effector to define an articulation axis that is transverse to the shaft axis. The distal support link is pivotally and axially movably coupled to the elongate shaft assembly to facilitate selective articulation of the surgical end effector relative to the elongate shaft assembly about the articulation axis between a first unarticulated position and articulation position located on one side of the shaft axis.

Protective cover arrangements for a joint interface between a movable jaw and actuator shaft of a surgical instrument

A surgical tool assembly that includes an axially movable closure member and an axially movable firing member that is movable between an unfired position and a fired position. The tool assembly includes a second jaw that has a mounting portion and mounting walls that are movably mounted to a first jaw. The mounting portion defines a cam area that is configured for engagement by the movable closure member to move the second jaw from an open position to a closed position. The mounting walls define an open-topped parking area for accommodating the firing member therein when in the unfired position. A protective cap member is attached to the mounting walls such that it covers at least a portion of the open topped parking area.

Surgical stapling systems

A system is disclosed. The system can comprise an end effector configured to receive a compatible replaceable staple cartridge, wherein the end effector comprises a first outer surface, and wherein a classifying identification of the end effector is inscribed on the first outer surface. The system can also comprise the compatible replaceable staple cartridge comprising a second outer surface, wherein a classifying identification of the compatible replaceable staple cartridge is inscribed on the second outer surface. The classifying identification of the compatible replaceable staple cartridge can correspond to the classifying identification of the end effector.

Articulation lock arrangements for locking an end effector in an articulated position in response to actuation of a jaw closure system

A surgical instrument that includes a surgical end effector that is articulatable relative to an elongate shaft. The end effector includes a first jaw and a second jaw. The second jaw is movable between an open position and closed positions when a closure member is moved in a closing direction. An articulation lock is configured to move from a locked configuration wherein the end effector is prevented from articulating and an unlocked configuration wherein the end effector is articulatable. The articulation lock is configured to move from the locked configuration to the unlocked configuration when the closure member is moved from the open position in the closing direction.

APPARATUS FOR THE FORMATION OF A STOMA OPENING.

Un aparato (10) para formar una abertura de estoma en el estómago (14) o en el esófago (15), comprendiendo el aparato (10): un miembro de restricción alargado implantable (12) adaptado para ser conformado adoptando una forma de bucle sustancialmente cerrado alrededor del estómago (14) o el esófago (15) del paciente, de manera que el bucle defina una abertura de restricción (16), un dispositivo de ajuste implante (18) para el ajuste del miembro de restricción (12) dentro del bucle para modificar el tamaño de la abertura de restricción (16), un dispositivo de control (12) para el control del dispositivo de ajuste para ajustar el miembro de restricción (12) para modificar el tamaño de la abertura de restricción (16), y un sensor implantable (23) para la detección de al menos un parámetro físico asociado con el paciente, caracterizado porque el dispositivo de control está adaptado para controlar el dispositivo de ajuste en respuesta a la detección por parte del sensor (23) de un cambio en el parámetro físico. An apparatus (10) for forming a stoma opening in the stomach (14) or in the esophagus (15), the apparatus (10) comprising: an implantable elongated restriction member (12) adapted to be shaped by adopting a loop shape substantially closed around the stomach (14) or the patient's esophagus (15), so that the loop defines a restriction opening (16), an implant adjustment device (18) for adjusting the restriction member (12) within of the loop to modify the size of the restriction opening (16), a control device (12) for controlling the adjustment device to adjust the restriction member (12) to modify the size of the restriction opening (16) , and an implantable sensor (23) for the detection of at least one physical parameter associated with the patient, characterized in that the control device is adapted to control the adjustment device in response to detection by the sensor (23) of a change in the physical parameter.

Surgical jaw coupling methods and devices

A surgical end effector is provided having upper and lower jaws pivotally coupled to one another by at least one connecting member that is configured to allow a gap between the jaws to be set at a desired height. In one embodiment, the connecting member can be pivotably coupled to the upper jaw and fixed within a slot in the lower jaw. The connecting member can be fixed within the slot in one of multiple positions so as to position first and second tissue contacting surfaces of the upper and lower jaws at a predetermined distance from one another when the first and second jaws are in the closed position. The connecting member can include a pin formed thereon that extends into a bore formed in the upper jaw. Alternatively, the upper jaw can include a pin formed thereon that extends into a bore formed in the connecting member.

Intraluminal occlusion device and method

A vascular occlusion device for occluding a blood vessel including a lumen, a resilient deformable member in communication with the lumen, and a fluid-impervious cover surrounding the deformable member, wherein the deformable member has an expanded state at atmospheric pressure and a collapsed state at a second pressure that is lower than atmospheric pressure. Also, a method for occluding a blood vessel using a vascular occlusion device comprised of a lumen, a deformable member in communication with the lumen at the distal end of the lumen, and a fluid impervious cover surrounding the deformable member, including the steps of deflating the deformable member by reducing the pressure therein below atmospheric pressure, inserting the distal end into a blood vessel, and allowing the deformable member to inflate by allowing the pressure in the deformable member to return to atmospheric pressure.

Surgeon feedback sensing and display methods

Various embodiments described herein are directed to surgical instruments with visual feedback. In one embodiment, a surgical instrument with visual feedback comprises an end effector. The end effector has a first jaw member and a second jaw member. At least one sensor is coupled to the end effector. The at least one sensor is configured convert at least one state of the end effector to a feedback signal. The feedback signal is corresponding to the at least one state of the end effector. The feedback signal may be transmitted to a display to render a visual representation of the at least one state of the end effector. The surgical instrument may further comprise an instrument mounting portion to mount to a robotic surgical system. The instrument mounting portion comprises an interface to mechanically and electrically interface to the surgical instrument.

Devices, systems, and methods for locating pressure sensitive critical structures

The present disclosure relates to devices, systems, and methods for controlling the pressure a sensor applies on the surface of tissue to facilitate locating underlying pressure sensitive critical structures. The laparoscopic device includes a handle and a shaft extending distally from the handle. A flexible member is slidably disposed within the shaft and movable between a retracted position and an extended position. A sensor is coupled to a distal end of the flexible member. The flexible member is configured to flex to limit an amount of pressure applied by the sensor to a tissue surface when the sensor is in contact with a tissue surface.

ARTHROSCOPIC DEVICES AND METHODS

A fluid management system includes a pump connectable to a fluid source. An inflow line removably connects to a cannula for delivering a fluid flow from the pump into a surgical site, such as a joint cavity. A flow pressure sensor is coupled to measure flow pressure in the inflow line and produce a measured pressure value, A controller is connected to the pump and the flow pressure sensor, and the controller maintains a pressure set point by controlling a pump speed based on a backpressure-adjusted pressure value calculated by subtracting a backpressure value selected from a backpressure table from the measured pressure value. The BAPV is monitored to determine whether the BAPV deviates outside an initial BAPV range, and corrective measure are taken should such deviations occur. 120.-. (canceled)21. An arthroscopic system , comprising:an arthroscopic treatment tool positionable in a fluid-filled working space in a patient;a videoscopic system that includes an endoscope coupled to an image display adapted to display a video image of the fluid-filled working space; anda video processor adapted to analyze the video image as the arthroscopic treatment tool is being operated in the fluid-filled working space and to provide a first control signal to a controller to adjust an operating parameter of the arthroscopic treatment tool in response to the arthroscopic treatment tool becoming absent from the video image.22. The arthroscopic system of claim 21 , wherein the arthroscopic treatment tool includes a sharp rotatable cutting edge.23. The arthroscopic system of claim 21 , wherein the arthroscopic treatment tool includes an RF electrode.24. The arthroscopic system of further comprising a fluid flow system configured to provide fluid flows through the fluid-filled working space.25. The arthroscopic system of comprising a single surgical unit that houses at least: (i) the image display; (ii) the controller claim 24 , (iii) the video processor claim 24 , (iv) an inflow pump ...

Ultrasonic energy device which varies pressure applied by clamp arm to provide threshold control pressure at a cut progression location

Surgical instruments and system and methods for using surgical instruments are disclosed. A surgical instrument comprises an end effector comprising an ultrasonic blade and clamp arm, an ultrasonic transducer, and a control circuit. The ultrasonic transducer ultrasonically oscillates the ultrasonic blade in response to a drive signal from a generator. The end effector receives electrosurgical energy to weld tissue. The control circuit determines a resonant frequency measure indicative of a thermally induced change in resonant frequency and a electrical continuity measure; calculates a weld focal point based on the determined measures, controls closure of the clamp arm to vary a pressure applied by the clamp arm to provide a threshold control pressure to the tissue loaded into the end effector, and maintains a gap between the ultrasonic blade and clamp arm at a point proximal to the proximal end of the tissue. Pressure is varied based on corresponding weld focal point.

Method for operating surgical instrument systems

A method for adjusting the operation of a surgical instrument using machine learning in a surgical suite is disclosed.

Bone fusion device

A bone fusion device for insertion between bones that are to be fused together, such as, for example, the vertebrae of a spinal column. The bone fusion device comprises at least one extendable tab and one or more tab extension assemblies. Each tab extension assembly is able to be adjusted in order to individually control the extension or contraction of a side of the tab thereby enabling adjustment of the height and/or angle of the tab with respect to the body of the bone fusion device. Each tab extension assembly is able to be individually adjusted such that the side controlled by each assembly is raised or lowered until the desired tab angle is achieved. The tab is advantageously positioned and angled to correspond to the vertebrae to help brace the device until the bone has fused.

Apparatus for the closure of wide skin defects by stretching of skin

An apparatus for closing wide skin defects may be used with two long interdermal needles configured for insertion underneath skin close to margins of a skin defect. The skin closing apparatus may include two U-shaped retaining members configured as a flange connecting two legs and forming a U-shaped profile. Each of the legs may include a sharp hook at the end of the leg adapted for piercing the skin and engaging one of the long interdermal needles. Each retaining member may include a pivoting platform that pivots up to 20° from an initial position indicated by a detent mechanism. A contracting mechanism such as a screw may connect the retaining members and approximate the interdermal needles, while bringing the skin margins together until final closure of the skin defect results. The skin closing apparatus may also include a clutch mechanism configured to disengage the screw from a knob or handle, when a predetermined force is met or exceeded. A visual or auditory element may also be provided to indicate the amount of force applied to the skin. A retractor may be packaged with the skin closing apparatus and long interdermal needles in a presterilized kit. The retractor may exhibit atraumatic ends having curved edges. The retractor may also exhibit english and metric measuring scales to aid in placing the skin closing apparatus and long interdermal needles about the skin defect. The device may be configured as a single use device utilized with gamma sterilization. In the event the device is configured for multiple uses, any conventional sterilization method may be utilized.

Fluid-carrying components of apparatus for automatic control of intraocular pressure

An ophthalic device and system for measuring and controlling relative fluid pressure inside an ocular globe includes a surgical instrument which is adapted to penetrate the ocular globe. A fluid pressure transducer is mounted on the instrument so that when the instrument penetrates the ocular globe the transducer is located adjacent to an opening that communicates with the interior of the globe so that it can react to pressure changes in the fluid therein and generate signals in response to changes in the pressure of the fluid. The signal is transmitted external of the instrument to a control system which is operatively connected to the transducer for first receiving signals from the transducer and the controlling a fluid supply system in response to signals according to a predetermned set of instructions. The control system is connected to a closed loop feed system in which fluid is continuously circulated. Fluctuations in intraocular pressure cause the control system to divert fluid from the feed system to the ocular globe to a conduit connected to the closed loop.

Method for forming a staple

A method of forming a surgical staple comprising a base, a first staple leg, and a second staple leg is disclosed. The method comprises positioning the first staple leg within a first cup of a staple pocket and positioning the second staple leg within a second cup of the staple pocket, contacting the first staple leg to bend the first staple leg toward a first side of the base wherein the first staple leg is maintained in an unformed and unheated configuration until a first compressive force is applied to the first staple leg, and contacting the second staple leg to bend the second staple leg toward a second side of the base wherein the second staple leg is maintained in an unformed and unheated configuration until a second compressive force is applied to the second staple leg.