ENDOSCOPE SURGERY DEVICE

Apparatus and methods for enzymatic debridement of skin lesions

An apparatus for debridement of devitalized tissue in skin lesions, that includes a plurality of height- and angle-adjustable inlet tubes and at least one outlet tube and a member that forms an occlusive seal around a skin lesion. The plurality of inlet tubes is adapted for directing a continuous stream of enzymatic solution to the surface and into the entire volume of the wound bed of the lesion and the at least one outlet is adapted for removing the enzymatic solution, fluids draining from the lesion and tissue debris from the occluded skin lesion.

Insertion system

An insertion system for inserting a sensor into fatty tissue, comprising an insertion device and an insertion needle containing a sensor, wherein the insertion device comprises a holder for the insertion needle, and a piercing mechanism so as to move the holder, with the needle held by the same, in a feed direction for a puncture. The piercing mechanism changes the feed direction during the puncture so that, at the end of the puncture, an insertion needle held by the holder is oriented obliquely or perpendicular to the initial feed direction. Also provided are methods for controlling a needle moved by an insertion device.

Endoscopic balloon tissue dissector and retractor

In endoscopic surgery, a retractor having independently spreadable retractor blades mounted at the distal end of a tube is introduced percutaneously. A balloon dissector is passed through the tube and expanded. Following dissection by expansion of the balloon, the balloon is contracted, the tube is advanced, and the dissected tissue is spread by moving the blades apart from each other. The balloon dissector is withdrawn and another instrument is then introduced to carry out surgery on the anatomical structure exposed by the dissection and spreading steps.

Spatial needle guidance system and associated methods

Methods and apparatus for positioning a elongate hollow member at a desired location in a body in a medical procedure are provided. A position marker is removably disposed within a sheath. The sheath may be disposable. The sheath and enclosed position marker may be inserted into a lumen of a member to be positioned. The position in space of the position marker may be monitored by a position sensor to provide real-time information regarding a position of the member. The spatial relationship between the position marker and member may be fixed by securing the mounting member to the sheath and securing the sheath to the member.

Flexible tissue rasp

Methods and devices are described for modifying tissue in a spine of a patient to treat or alleviate spinal stenosis. In one embodiment, a method may include: advancing at least a distal portion of an elongate tissue modification device into an epidural space and between target tissue and non-target tissue in the spine; positioning the tissue modification device so that at least one abrasive surface of the device faces target tissue and at least one non-abrasive surface faces non-target tissue; applying tensioning force at or near separate distal and proximal portions of the tissue modification device; and translating the tissue modification device back and forth while maintaining at least some tensioning force to abrade at least a portion of the target tissue with the at least one abrasive surface. Unwanted damage to the non-target tissue may be prevented via the at least one non-abrasive surface.

Apparatus and system for simultaneous use of multiple instruments

An apparatus for allowing simultaneous use of at least two surgical instruments through a single incision. The apparatus includes a first part having a proximal end, a distal end, an inner surface and an outer surface. The outer surface engages an incision and holds the incision in an open position. The inner surface defines a passageway through the first part from the proximal to the distal ends. The apparatus also includes a second part attached to the proximal end of the first part for sealing the proximal end of the first part and having at least two ports for receiving a surgical instrument. At least one of the ports includes a ball joint to allow articulation of the port relative to the second part. The ball joint allows the orientation of the port and the surgical instrument within it to be moved easily relative to the apparatus.

Needle holder

A needle holder for use in an image guided intervention procedure. The needle holder includes a clip for holding a needle and a guide arrangement for supporting the clip and directing the needle at a desired angle relative to a patient's body. The clip includes a releasable connection such that the needle can be disengaged from the guide arrangement by a lateral movement of the clip and/or the guide arrangement relative to the longitudinal axis of the needle.

Method and Apparatus for Delivering a Lead to a Heart

A method and apparatus for creating and accessing an anatomic space between a heart and a pericardial sac. The apparatus includes a catheter having a cryoadhesion member situated on the distal tip of the catheter. The cryoadhesion member is utilized to adhere to the pericardial sac and to retract the sac to create a tent like structure. The catheter allows introduction of an instrument to access the pericardial sac by puncture. The access to the pericardial sac allows delivery of a device, a drug, a biologic or other substance to the heart or the space around the heart.

Atraumatic Arthroscopic Instrument Sheath and Method

A removable, resilient atraumatic sheath for arthroscopic instruments. The sheath covers sharp edges on the arthroscopic instrument, particularly the distal tip of the rigid cannula, and thereby protects tissue and objects near a surgical site from accidental trauma. The sheath may be provided in the form of an inflow/outflow sheath that allows a surgeon to irrigate and drain a surgical field without the use of a separate irrigation instrument.

Surgical access apparatus

An access apparatus for use during a surgical procedure to provide access to the interior of the body includes an access member defining a longitudinal axis and having a proximal end for being disposed at an exterior side of the body and a distal end for extending into the interior of the body. The access member has a bore therethrough dimensioned to permit passage of an object. A seal is disposed within the bore of the access member. The seal includes a fabric material and an elastomeric material, and defines an internal passageway dimensioned to form a substantial sealing relation with an object inserted therethrough.

Thoracic access port

A surgical access port for accessing a cavity of a patient having an outer frame including first and second frame portions, wherein at least one of the frame portions is movable with respect to the other frame portion. The outer frame has a first length greater than the first width, wherein movement of at least one of the frame portions away from the other frame portion increases the outer frame to a third length greater than the first length. An inner member has a second length and a second width, the second length being substantially transverse to the first length of the outer frame and the second width being substantially transverse to the first width of the outer frame. A flexible member extends between the outer frame and inner member and is movable by movement of at least one of the frame portions.

Instrument for Minimally Invasive Surgery

An instrument for minimally invasive surgery suitable for use with a manipulator comprising a tube provided at its first end with a mouthpiece wherein control means for the mouthpiece pass through the tube, and wherein at a second end of the tube opposite to the first end comprising the mouthpiece control organs are provided that are coupled with the control means for the mouthpiece that are passing through the tube.

Microwave Spacers and Method of Use

Disclosed is a microwave spacer for guiding and positioning microwave energy delivery devices during a surgical procedure. The microwave energy device spacer includes a body forming a plurality of device apertures defined therein, the plurality of device apertures including at least two lumens and at least one arcuate slot. The lumens are configured to receive an energy delivery device therethrough. The arcuate slot includes a length, a width and a radius of curvature and is configured to receive an additional energy delivery device therethrough.

Retractable Cannula for Surgical Procedures

A cannula assembly having a plurality of outwardly-biased flexible fins capable of inward movement such that the fins converge upon insertion of a trocar device. The fins include a slot formed therein, with a corresponding raised feature on the trocar shaft capable of engaging the slots. Inward movement of the trocar within the cannula lumen causes the fins to converge. An additional embodiment utilizes outwardly-biased flexible fins that lock together in a closed position, with corrugated features in the fin inner surface that contact the trocar shaft such that, upon insertion of the trocar, the fins unlock and splay outward.

Bladeless obturators and bladeless obturator members

A surgical obturator that includes an elongated shaft defining a longitudinal axis and an obturator member disposed adjacent a distal end of the elongated shaft. The obturator member may include a proximal section being convex along a majority of its length. It may also include a central section disposed adjacent the proximal section, the central section including a first pair of surfaces disposed relative to each other on radially opposite sides of the central section, and a second set of surfaces disposed between the first pair of surfaces and further being disposed relative to each other on radially opposite sides of the central section, at least a portion of a length of each one of the first pair of surfaces being concave, and at least a portion of a length of each one of the second pair of surfaces being convex. The obturator member may also include a guiding nub disposed distally of the central section and including a rounded distal-most portion. The rounded distal-most portion of the guiding nub may be atraumatic to tissue.

Access port

A surgical access port assembly is provided including a cannula and an obturator insertable through the cannula. The cannula includes a housing having a hollow elongate tubular member extending distally from the housing. A duckbill valve is provided within the housing and includes an outer support rim and a pair of opposed multi-angle leaflets extending inwardly from the outer support rim. Each leaflet includes a lead in portion oriented at a first angle relative to the support rim and an entry portion extending from the lead in portion and oriented at a second angle relative to the support rim. The second angle is greater than the first angle.

Seal Assembly For A Cannula

The present disclosure relates to a seal assembly for a cannula. The cannula includes a housing having a proximal portion and a distal portion. The seal assembly is located in the proximal portion of the housing and includes a first seal including a first tri-slit, a second seal disposed co-axially and proximal to the first seal and including a second tri-slit, and a third seal disposed co-axially to the first seal and the second seal and including a central opening. A cap is coupled to the proximal portion of the housing and adjacent the third seal and includes a plurality of suture retaining features, such as tabs, for management of sutures during surgery. Fluid leakage out of the cannula, during surgery, is substantially reduced due to the leakage being limited to a channel defined by the first tri-slit, the second tri-slit, and the central opening.

Device and method for tracheotomy

A device for facilitating tracheotomy includes a first branch ( 14 ), which is adapted to be introduced down the trachea of a patient, such that the end thereof is located below the larynx, and a second branch ( 12 ), adapted to be arranged on the outside of the neck with the end thereof located adjacent to the site intended for the tracheostoma. The end of the second branch has a guiding tube for a needle, and the end of the first branch has a protection plate. When the needle is moved towards the skin through the guiding tube and penetrates the skin and tracheal wall in order to provide the tracheostoma, the needle is directed towards the protection plate, and may engage it after passage through the tracheal wall. In such a manner the other side of the tracheal wall is protected. Furthermore, the tracheostoma will automatically be located at the best position. The first branch ( 14 ) includes hooks ( 30, 31 ), adapted to slidingly engage with a tube ( 40 ) in trachea, the hooks being located close to the distal end of the first branch ( 14 ), for directing said first branch along said tube.

Method for providing surgical access

One embodiment is directed to a method for providing surgical access across a wall of a tissue structure, comprising: measuring a thickness of the wall of the tissue structure at a targeted entry location; and providing a helical needle having a helical needle pitch selected to pull an intercoupled suture member across the wall with a distal portion of the needle such that a deployed suture pattern is formed, the deployed suture pattern being characterized in that it is substantially helical and represents a number of helical loops substantially encapsulated by the wall of the tissue structure that is greater than about one helical loop, and is less than about three helical loops.

Endoscopic cleaner

A cleaning device for use with a percutaneous visualization device includes a cannula and a cleaning swab. The cannula has a first section pivotably connected to a second section. The cleaning swab is positioned at a distal end of the cannula and is configured to pivot into a position to clean at least a portion of a percutaneous visualization device upon insertion into the cannula. In an alternative embodiment, the cleaning device includes a cannula and a seal. The seal is disposed within the cannula and configured to clean at least a portion of a percutaneous visualization device upon insertion and retraction in the cannula. Further, the cannula has a cleaning surface on at least a portion of an inner surface thereof. The cleaning surface is also configured to clean at least a portion of said percutaneous visualization device upon insertion and retraction in the cannula.

Retractor

A retractor ( 101 ) for retracting the margins of a wound opening ( 103 ) comprises an inner anchoring O-ring ( 105 ) attached to a cylindrical sleeve ( 106 ) at a distal end and a reinforcing O-ring ( 109 ) attached to a proximal end of the sleeve ( 106 ). The sleeve ( 106 ) is led between an inner ring part ( 110 ) and a corresponding recess ( 116 ) in an outer ring part ( 111 ). The outer ring part ( 111 ) has anchor formations ( 120 ) over which the proximal end of the sleeve ( 106 ) is attached to anchor the sleeve ( 106 ). To retract the wound opening ( 103 ) the sleeve ( 106 ) is pulled while the guide rings ( 110, 111 ) are moved against the tissue surrounding the wound opening ( 103 ). This pulls the inner O-ring ( 105 ) against the inside of the tissue adjacent the wound opening ( 103 ), and retracts the wound opening ( 103 ). The sleeve ( 106 ) is manipulated locally for maximum retraction efficiency.

Cannula system

A cannula system is described. The cannula system may be formed of biocompatible materials that are suitable to be sterilized. Accordingly, the cannula system may be reusable for a relatively large number of surgical procedures assuming conventional sterilization techniques are employed after each surgical procedure. Additionally, the cannula system may be provided with an internal valve system disposed in a port portion thereof wherein the valve system may be operable to receive the trocar there through, as well as maintaining insufflation of the body cavity. Furthermore, the cannula system may be provided with a plurality of rib members formed on an external surface of the cannula shaft, wherein the rib members may engage the tissues adjacent the incision, thus maintaining the position of the cannula shaft and reducing and/or lessening relative movement of the cannula shaft.

Biliary Catheter Systems Including Stabilizing Members

Medical devices including devices and systems for endoscopic interventions that may access the biliary tree. An example biliary catheter system may include an endoscope having a working channel formed therein. An endoscopic instrument may be disposed in the channel. The endoscopic instrument may have a tool channel formed therein, a distal end, and a plurality of stabilizing members extending from the distal end. The plurality of stabilizing members may be configured to surround the ampulla of Vater during a biliary tract intervention.

Method and apparatus for performing transesophageal cardiovascular procedures

An apparatus for performing a transesophageal cardiovascular procedure includes an elongated tubular main access device having a first lumen with an open proximal end and a distal side opening, and a second lumen with a rigid outer wall and a collapsible inner wall. The second lumen is adapted to receive an elongated probe or surgical device. The apparatus further includes an inflatable sealing means on the outside of the main access device above and below the side opening, and a first fluid conduit extending along the main access device for inflating the sealing means so that when the main access device is inserted into a patient's esophagus and the sealing means are inflated. The portion of the esophagus opposite the side opening is isolated from the remainder of the esophagus above and below the side opening.

Adjustable surgical portal

A surgical portal includes a compressible, e.g., foam or rubber, portal having one or more longitudinal ports for passage of a surgical object. The portal is adapted to transition between a first condition having a first length and a second condition having a second length different from the first length. The portal includes an outer wall configured to maintain a substantial sealing relationship with tissue upon insertion therein.

Laparoscopic access port and port sleeve arrangement

Disclosed are embodiments of a laparoscopic access port having a head (portion 450 ) for use generally externally of a patient and for providing a seal around a laparoscopic tool (not shown)when said tool is inserted into the head via a (bore 408 ); and a sleeve portion ( 410 ) connected to the head and for accommodating the tool, the sleeve ( 410 ) extending along an axis and being adapted for inserting generally into the body of a patient in the direction of the axis;said access port being adjustable in overall length X in the direction of the axis, the sleeve portion comprising a shank ( 411 ) attached or attachable to the head ( 450 ) and a flanged piece ( 413 ) moveable relative to the shank by means of a mechanism for causing the overall length X of the port to adjust, the mechanism being operable externally of the patient at or adjacent the head, for example by means of rotation of an element of a lower head part ( 440 ), or by sliding motion of the shank ( 411 ) and flanged piece ( 413 ).

Open Architecture Imaging Apparatus and Coil System for Magnetic Resonance Imaging

Apparatus and method for using radio frequency coil systems for magnetic resonance imaging within an open architecture apparatus is provided. The MRI coil system includes a support structure with an open architecture in which secondary support structures, compression systems and plates containing RF coil systems may be introduced. These structures and RF coils can be moved relative to the patient, or removed entirely from the system. In one embodiment the system consists of a tabletop coil system, while another embodiment consists of a dedicated stretcher design.

Access sealing apparatus and method

A surgical access device includes a seal housing and a roller disposed in the housing and defining a working channel. The roller may be stationary or movable within the seal housing to form both a zero seal in the absence of an instrument, and an instrument seal in the presence of an instrument. Rotation of the roller is contemplated and low-friction surfaces are discussed to reduce instrument insertion forces. Multiple rollers, wiper elements, low-friction braid, pivoting elements and idler rollers are contemplated. The rollers will typically be formed of a gel material in order to facilitate the desired compliance, stretchability and elongation desired.

Ct and mri synchronous detection positioning needle

Disclosed is a CT and MRI synchronous detection positioning needle. The needle comprises a silicone tube which is internally provided with a guide needle; the two sides of the guide needle are provided with hollow cavities; each hollow cavity is internally provided with membranes dividing the hollow cavity into a plurality of small chambers which are filled with liquid, wherein a CT contrast agent is filled in a plurality of small chambers at one side of the guide needle, and an MRI contrast agent is filled in a plurality of small chambers at the other side of the guide needle. In the invention, specially designed silicone positioning needles are implanted in vivo, and synchronous comparison of different image data and pathological data is implemented by means of multi-plane reconstruction technology, so the CT and MRI synchronous detection positioning needle can be widely applied to experimental study on tumors.

Imaging-guided joint injection system

Systems for injecting fluids and/or other materials into a targeted anatomical location, in particular, an intra-articular space, include a handpiece assembly having a proximal end and a distal end, a needle extending from the distal end of the handpiece assembly, a fluid delivery module comprising a cassette and a fluid transfer device. A conduit is generally configured to place the fluid delivery module in fluid communication with the handpiece assembly. Medications, formulations and/or other fluids or materials contained within vials that are secured to the fluid delivery module can be selectively delivered into an anatomy through a needle located at the distal end of the handpiece assembly. In some embodiments, ultrasound or other imaging technologies can be used to locate a joint or other targeted anatomical location.

Expanding surgical access port

A surgical access port that includes a cylindrical member having a proximal end and a distal end and defining a longitudinal axis; at least two lumen extending through the cylindrical member along the longitudinal axis; at least one cavity defined in the cylindrical member and positioned radially within the at least two lumen; and a source of inflation fluid coupled to the at least one cavity, the source of inflation configured to permit selectable inflation of the at least one cavity, whereby inflation of the at least one cavity increases the radial distance between the at least two lumen.

Treatment device

A treatment device includes a probe for acquiring an image of a target using ultrasonic waves, a needle guide provided in the probe, a needle movable along the needle guide, a measurement unit for sensing a movement distance of the needle in a noncontact fashion, and a controller for calculating the movement distance of the needle based on a value measured by the measurement unit. The treatment device may further include a needle sensing unit to determine whether the needle has reached a reference position. The measurement unit is driven based on the determination of the needle sensing unit for measuring the movement distance of the needle.

Surgical portal apparatus with armature assembly

A surgical portal apparatus includes a portal housing, an elongated portal member connected to the portal housing and an armature assembly. The portal housing and the portal member have an axial bore for reception and passage of a surgical object. The armature assembly includes at least two arms disposed within the portal housing and an outer mount. The at least two arms extend at least radially inwardly and are adapted to move relative to the longitudinal axis from a rest position to an activated position during passage of the surgical object. The at least two arms are operatively connected whereby movement of a first arm causes corresponding movement of a second arm. The outer mount comprises a resilient material and is mounted to the at least two arms, and imparts a biasing force thereto toward the rest position.

Systems for remote generation of electrical signal in tissue based on time-reversal acoustics

A time-reversal acoustics system includes a transmitter configured to send a high intensity acoustic waveform signal focused on an implantable receiver. The receiver includes a piezoelectric transducer configured to convert received acoustic energy to an electrical signal used to energize an internal electrical circuit. Such circuit may be used to operate at least one tissue stimulating electrode, at least one sensor such as an ECG sensor, charge an internal battery or perform another useful function. The system of the invention may be used as a wireless cardiac pacemaker or a neurostimulator.

Trocar stability assembly

A stability assembly for a trocar cannula includes a conical stability member, a base, and a cannula retention member. The base has a passage defining an inner surface, and a constriction in the passage. The cannula retention member is rotatable within the passage, and advancement of the cannula retention member over the constriction reduces the inner diameter of the passage to restrain a cannula in the passage. Various latch mechanisms including interface surfaces on the base and the cannula retention member can be used in the stability assembly to secure the stability assembly around a cannula. Various conical stability members can be used in the stability assembly.

Surgical device and accessories

The present invention relates to a device developed for surgical interventions comprising (i) an inner end ( 1 ) guidable/steerable to the operation field, (ii) an outer end ( 3 ) operated by the user and (iii) a middle part ( 2 ) which connects both ends ( 1, 3 ) together. According to the main concept of the present invention, it further comprises force transmission units extending between the outer ( 3 ) and the inner ( 1 ) ends, and said force transmission units, the outer and the inner ends and the middle part ( 2 ) are designed to transfer the movements of the outer end ( 3 ) to the inner end ( 1 ) in an identical measure, as if the inner end ( 1 ) were the straight continuation of the outer end ( 3 ).

Retention member for laparoscopic access device

A surgical access port and method of using is disclosed, the surgical access port comprising a cylindrical member defining a longitudinal axis and having proximal ends defined by a pair of rims oriented substantially transverse to the longitudinal axis. At least one lumen extends from the proximal end to the distal end of the cylindrical member, the lumens substantially parallel to the longitudinal axis. A sealing member having proximal and distal ends with opposing openings is disposed externally of the cylindrical member, the opening at the proximal end of the sealing member in contact with the proximal end of the cylindrical member.

Adjustable cannula

A cannula having a tubular body having a proximal end and a distal end and a central axis defined therethrough, a first protruding member coupled to a first region of the tubular body, and a second protruding member coupled to a second region of the tubular body. Further, the tubular body has a bore formed therethrough. Each of the first protruding member and the second protruding member are coupled to an outer surface of the tubular body. Finally, a length of the tubular body is adjustable along the central axis.

Surgical access assembly with adapter

A surgical access assembly is disclosed, including a resiliently compressible access port defining a longitudinal axis and having proximal and distal ends. At least one lumen extends from the proximal end to the distal end of the access port and is substantially parallel to the longitudinal axis. The surgical access assembly includes a resiliently compressible adapter having proximal and distal ends, an opening at the proximal end, and a passage for receipt of the access port. The adapter has a diameter at its distal end different from the diameter of the distal end of the access port. The adapter has at least one opening in its distal end to allow an object to exit the at least one lumen. The surgical access assembly may also include a sleeve positionable through an opening in tissue.

Access port with integrated flexible sleeve

A surgical apparatus for positioning within a tissue tract accessing an underlying body cavity is adapted to tissues having different thicknesses. The surgical apparatus includes an anchor member and a flexible sleeve integrated with the anchor member. The anchor member defines at least one longitudinal port for reception of a surgical instrument. The surgical apparatus defines an adjustable length to accommodate tissues with different thicknesses.

Control System and Method for Precisely Guiding a Percutaneous Needle Toward the Prostate

A needle holder device for treating the prostate, involving a series of steps of inserting a needle into the prostate, has a rectal probe for ultrasonic 3D imaging and a computer for processing the image acquired by the probe and for computing the position of the needle relative to the prostate. The computer is controlled so as to periodically output information on the movement of the prostate after each of the insertion steps in order to validate the insertion parameters relative to a treatment schedule and, if need be, modifying the insertion parameters relative to the schedule in the event the movement is greater than a threshold value.

Apical puncture access and closure system

A device, system, and method for providing access to, and sealing of, a body organ includes an implant device. An implant device has a main body having an internal access lumen, with a plurality of prongs extending from a distal end of the main body. The main body can include two lumens, one slidable within the other, to form a single continuous lumen with an adjustable length. The main body has an expanded configuration with an expanded diameter, and an unexpanded configuration with an unexpanded diameter. The prongs have a generally straight configuration where they extend distally of the distal end of the main body, and a bent configuration where the prongs bend around so that their tips extend proximally of the distal end of the main body. The device may include a hemostatic barrier to prevent fluid leakage therethrough when the main body is in the unexpanded configuration.

Delivery systems for brachytherapy, and associated methods

Delivery systems adapted for implementation during a brachytherapy procedure are provided. The delivery system includes a plurality of brachytherapy seeds and a plurality of spacers. Each spacer is formed of a matrix material carrying a plurality of microparticles and/or nanoparticles. The microparticles and/or nanoparticles carry an agent and are biodegradable and/or biocompatible. The brachytherapy seeds and the spacers are configured to be delivered to a target site. Associated methods are also provided.

Devices and methods for performing procedures on a breast

A needle is used to mark a tissue area of interest. The needle may have one or more indicators which indicate selected angular orientations relative to the needle. The indicators may also be coupled to anchors which are deployed in the tissue to anchor the needle in the tissue. The needle may be positioned to guide an excisional device to remove tissue.

Apparatus and methods to create and maintain an intra-atrial pressure relief opening

The present disclosure relates to a method and a device for treating heart failure by normalizing elevated blood pressure in the left and right atria of a heart of a mammal The present disclosure includes methods for creating and maintaining an opening in the atrial septum. Tools for making an opening and enlarging the opening are also disclosed. Use of the techniques and tools described herein prolongs the patency of an intra-atrial pressure relief opening.

Follicular extraction punch and method

Provided herein is an instrument and method useful to incise in to the skin to a precise depth and at a specific angle with respect to the surface of the skin of a patient, for the extraction of individual follicular groups or individual follicular units. An instrument according to the invention precisely limits the depth of incision, and creates a circular incision around a hair, follicular unit, or follicular cluster in a manner such that no damage occurs to any of the hair shafts.

Immobilization Device

A device for immobilizing a patient for a medical test or operation includes a molding element that is convertible from a flexible, elastic form to a rigid form by the application of a vacuum. The molding element is attached to the patient by an elastic layer while in the flexible, elastic form where it conforms to the contours of the patient's body. Then the molding element is converted to its rigid form thereby immobilizing the patient. Auxiliary devices can be attached to the immobilizing device and these devices, such as a pivot arm suspension can be used to fix the immobilized patient to an operating table.

Apparatus and Method for Ablating Tissue

A control system alters one or more characteristics of an ablating element to ablate tissue. In one aspect, the control system delivers energy nearer to the surface of the tissue by changing the frequency or power. In another aspect, the ablating element delivers focused ultrasound which is focused in at least one dimension. The ablating device may also have a number of ablating elements with different characteristics such as focal length.

Wound retractor

An incrementally adjustable wound retractor ( 500 ), having a first ring ( 504 ) with a diameter greater than the desired diameter of the wound incision, a flexible second ring ( 502 ), having a lumen and a diameter greater than the desired diameter of the wound incision, and a flexible sleeve ( 506 ), disposed in a generally cylindrical form between the first and second rings ( 502, 504 ), where the second ring may be rolled over itself to provide a sleeve with a radical retraction force sufficient to stretch the incision to the desired diameter.

Dissection handpiece and method for reducing the appearance of cellulite

A dermatological skin treatment device is provided. The device comprises a handpiece and a cutting tool, wherein the tool is inserted through the conduit and percutaneously inserted into a tissue disposed within a recessed area of the handpiece. The device and method cut the fibrous structures under the skin that cause cellulite at an angle substantially parallel to the surface of the skin and replace these structures with a non-cellulite forming structure by deploying a highly fibrous mesh through a single needle hole to create a highly fibrous layer directly or through wound healing processes.

Positioning Cage

A positioning device and method of using are provided herein. The positioning device includes an expandable cage through which blood can flow. The expandable cage is insertable into a bodily organ, for example a heart, and expanded to temporarily secure the positioning device within the organ. Then, the cage can be used to steady the implantation of an annuloplasty device, for example. Alternatively, the expanded cage can be used to locate a desired area or feature of the body organ in which it is inserted by way of fluoroscopy.

Surgical tool holder

Apparatuses are provided to hold surgical tools during surgery. Such apparatuses may be fixed to a patient's body and include a base member, tool engagement member and one or more intermediary members. Each member may be attached to another by a knob and mating engagement section. Fixation between members may be provided individually for each attachment or may be provided so as to fix more than one attachment at a time.

Medical Access Device Having A Protection Against An Excessive Application Of Leverage

A medical access device for creating an access to a body for minimally invasive intervention has a hollow body assembled from at least two parts having longitudinal extending edges. Each part has a distal body portion and at an angle to the latter a proximal body portion. A locking mechanism locks the assembled proximal hollow body portions. The locking mechanism has a hook projecting from an edge of a proximal body. A nose of the hook can enter from proximal to distal in a recess in an edge joining said edge having said hook.

Single piece, dual component sealing pad and methods

A tissue puncture closure device includes a carrier tube and a sealing plug. The carrier tube includes a distal end configured for insertion into the tissue puncture. The sealing plug is positioned in the carrier tube and arranged for ejection from the distal end of the carrier tube into the tissue puncture. The sealing plug includes a first collagen portion having a first cross-linked chemical structure, and a second collagen portion positioned proximal of the first collagen portion in the carrier tube. The second collagen portion has a second cross-linked chemical structure that is different from the first cross-linked chemical structure.

Needle detection in medical image data

A system for processing an image data volume acquired with a medical imaging acquisition device 100 from a body comprising a needle is provided. It has been realized it is advantageous to display 150 a plane intersecting the image data volume showing the needle to a user of the system. This allows better positioning of the needle. The system comprises a needle-plane determination 110 module for determining a plane being parallel to and intersecting a representation in the image data volume of the needle and being parallel to a viewing direction. The needle plane determination module may make use of pixel processing and/or spectral transformation, in particular the Gabor transform.

Method and Apparatus for the Containment of a Surgical Site

An apparatus for the containment of a surgical site includes an enclosure, with at least one port, securely coupled to the surgical site and a source of pressurized fluid in fluid communication with the enclosure via the at least one port providing pressurized fluid to the surgical site. The pressurized fluid establishes a hemostatic equilibrium within the enclosure by reducing blood egress through injuries in blood vessels at the surgical site thereby preventing bleeding at the surgical site. A method for the containment of a surgical site includes securely coupling an enclosure to a surgical site; fluidly coupling a source of pressurized fluid to the enclosure; and continuously providing pressurized fluid to the enclosure from the source of pressurized fluid and draining fluid from the enclosure. The pressurized fluid establishes a hemostatic equilibrium within the enclosure.

Devices and methods for treatment of vascular aneurysms

The present invention relates to devices and methods for the treatment of diseases in the vasculature, and more specifically, devices and methods for treatment of aneurysms found in blood vessels. In a first embodiment of the present invention, a two part prostheses, where one part is an expandable sponge structure and the other part is an expandable tubular mesh structure, is provided. In the first embodiment, the expandable sponge structure is intended to fill the aneurysm cavity to prevent further dilatation of the vessel wall by creating a buffer or barrier between the pressurized pulsating blood flow and the thinning vessel wall. In the first embodiment, the expandable tubular mesh structure is placed across the aneurysm, contacting the inner wall of healthy vessel proximal and distal to the aneurysm.

Tissue irradiation

Devices and methods are disclosed for treatment to tissue surrounding a body cavity or other intracorporeal site, such as after removal of tissue, e.g. cancer. Such a device includes a treatment location on a distal portion of the device with one or more radiation shielding components that partially encircle a radiation source at the treatment location to control emitted radiation from the radiation source. The device minimizes radiation damage to healthy tissue surrounding the body cavity or other site while irradiating tissue not shielded by the radiation shielding components. A device embodying features of the invention can include a sealing member at a location on a shaft of the device proximal to a treatment location to seal the passageway leading to the body cavity.

Low-profile surgical access devices with anchoring

A surgical access device includes a proximal housing having proximal and distal end portions, the distal end portion of the housing being configured and adapted to engage a proximal portion of a flexible wound retractor. The proximal housing can be provided with a plenum chamber being defined therein, the plenum chamber being in fluid communication with at least one nozzle. The nozzle is preferably configured to direct pressurized fluid in an axial direction from the plenum chamber into a central bore of the surgical access device to provide a constant gaseous seal around a surgical instrument inserted therethrough, while inhibiting a loss of pressurized fluid from the body cavity therethrough. The plenum chamber can be adapted and configured to receive pressurized fluid and conduct the pressurized fluid to the at least one nozzle.

System for use in tissue repair

The present disclosure relates to a system for use in tissue repair. The system includes a cannulated guide, an obturator configured for insertion through the guide, a drill configured for insertion through the guide, and an anchor delivery tool configured for insertion through the guide.

Sternal locators and associated systems and methods

Apparatuses, systems, and methods for sternal locators for placement of an intraosseous device into the sternum of a human patient.

Surgical Snare with Electrosurgical Tip and Method of Use

A medical device includes a tissue dissector and a snare loop on a common shaft. At least the distal tip of the snare loop is energizable to function as an electrosurgical element for tissue dissection. In use the snare loop is partially extended from the shaft to expose the electrosurgical element for electrosurgical dissection, and the snare loop is fully extended from the shaft to deploy the snare loop for retrieval and positioning of an implant such as a gastric banding device. The snare loop may be deployed through a pair of jaws also mounted on the shaft for use in tissue dissection.

Introducer for radiofrequency needle

An introducer for a radiofrequency needle includes a hollow tube. An introducer for a radiofrequency needle may also include a radiofrequency needle that extends through the hollow tube. The hollow tube includes a first portion that includes a longitudinal axis and a second portion that includes a longitudinal axis, that extends at an angle relative to the longitudinal axis of the first portion and has a distal tissue piercing tip segment and a bevel. The bevel has a heel segment in which the inner edge is rounded. The inner edge is rounded substantially continuously along the heel segment in an amount sufficient to prevent snagging of a radiofrequency needle on the inner edge as the radiofrequency needle is moved during placement.

Full Core Biopsy Device

A biopsy device includes coaxially disposed inner and outer needles in which the outer needle tip is configured for obtaining a tissue sample. The inner surface of the outer needle includes a tissue retention feature which may include a countersink and/or a feature formed in the inner surface. The device may be introduced to a biopsy site through an introducer in which the introducer is vented and/or a certain ratio of introducer inner diameter and biopsy device outer diameter is maintained.

Magnetic based device for retrieving a misplaced article

A device for locating and retrieving a misplaced foreign body that has metallic characteristics includes a shaft connected to a handle and a retrieval tool that is coupled to the shaft and moves between a deployed position and collapsed position. The tool has a magnetic element that generates a magnetic field, wherein the magnetic field extends over a greater area in the deployed position and is of sufficient strength to attract the foreign body such that it is held in contact with the tool. The device can be part of an automated robotic system and can also include a metal detector to assist in locating the misplaced foreign body.

Surgical system entry guide

An entry guide tube and cannula assembly, a surgical system including the assembly, and a method of surgical instrument insertion are provided. In one embodiment, the assembly includes a cannula having a proximal portion that operably couples to an accessory clamp of a manipulator arm, and a distal tubular member coupled to the proximal portion, the tubular member having an opening for passage of at least one instrument shaft. The assembly also includes an entry guide tube rotatably coupled to the proximal portion of the cannula, the entry guide tube including a plurality of channels for passage of a plurality of instrument shafts, wherein the entry guide tube is rotatably driven relative to the proximal portion of the cannula by rotation of at least one instrument shaft about a longitudinal axis of the entry guide tube.

Shape-transferring cannula system and method of use

The present invention is directed to a novel shape-transferring cannula system, which provides access to tortuous and unsupported paths. The shape-transferring cannula system and method enables exploration of hollow body structures, and creates a custom-contoured access port for insertion and removal of, for example, diagnostic, surgical, or interventional instruments to and from a site within the body to which the physician does not have line-of-sight access.

Trans-catheter ventricular reconstruction structures, methods, and systems for treatment of congestive heart failure and other conditions

Embodiments described herein include devices, systems, and methods for reducing the distance between two locations in tissue. In one embodiment, an anchor may reside within the right ventricle in engagement with the septum. A tension member may extend from that anchor through the septum and an exterior wall of the left ventricle to a second anchor disposed along a surface of the heart. Perforating the exterior wall and the septum from an epicardial approach can provide control over the reshaping of the ventricular chamber. Guiding deployment of the implant from along the epicardial access path and another access path into and through the right ventricle provides control over the movement of the anchor within the ventricle. The joined epicardial pathway and right atrial pathway allows the tension member to be advanced into the heart through the right atrium and pulled into engagement along the epicardial access path.

Over-the-wire cardiac implant delivery system for treatment of chf and other conditions

Medical devices, systems, and methods reduce the distance between two locations in tissue in a minimally invasive manner, often for treatment of congestive heart failure. In one embodiment, an anchor of an implant system may, when the implant system is fully deployed, reside within the right ventricle in engagement with the ventricular septum. A tension member may extend from that anchor through the septum and an exterior wall of the left ventricle to a second anchor disposed along an epicardial surface of the heart. Deployment of the anchor within the right ventricle may be performed by inserting a guidewire through the septal wall into the right ventricle. The anchor may be inserted into the right ventricle over the guidewire and through a lumen of a delivery catheter. Delivering the anchor over the guidewire may provide improved control in the delivery and placement of the anchor within the right ventricle.

Trocar System

Systems and methods for using a trocar system are disclosed. The system generally includes a handle having a first end a second end, a trocar disposed adjacent the first end of the handle, cannulas disposed on the trocar, and a drive system. The drive system is disposed for forward movement of the cannulas in a longitudinal direction away from the second end of the handle.

Method and apparatus for performing transesophageal cardiovascular procedures

An apparatus for performing a transesophageal cardiovascular procedure includes an elongated tubular main access device having a first lumen with an open proximal end and a distal side opening, and a second lumen with a rigid outer wall and a collapsible inner wall. The second lumen is adapted to receive an elongated probe or surgical device. The apparatus further includes an inflatable sealing means on the outside of the main access device above and below the side opening, and a first fluid conduit extending along the main access device for inflating the sealing means so that when the main access device is inserted into a patient's esophagus and the sealing means are inflated. The portion of the esophagus opposite the side opening is isolated from the remainder of the esophagus above and below the side opening.

Surgical access device and surgical access system

In a first aspect of the invention, a surgical access device for inserting surgical instruments into the body of a patient comprises a sleeve section defining a longitudinal axis and also a working channel. A ratio between a length and an internal diameter of the sleeve section lies in a range of approximately 4:1 to approximately 14. In a second aspect of the invention, a surgical access system comprises a surgical access device for introducing surgical instruments into the body of a patient which comprises a sleeve section defining a longitudinal axis, and also comprising an insertion instrument for inserting the access device into an abdominal wall of the patient in particular. A ratio between a length and an internal diameter of the sleeve section lies in a range of approximately 4:1 to approximately 14:1.

Dissection handpiece and method for reducing the appearance of cellulite

A dermatological skin treatment device is provided. The device comprises a handpiece and a cutting tool, wherein the tool is inserted through the conduit and percutaneously inserted into a tissue disposed within a recessed area of the handpiece. The device and method cut the fibrous structures under the skin that cause cellulite at an angle substantially parallel to the surface of the skin and replace these structures with a non-cellulite forming structure by deploying a highly fibrous mesh through a single needle hole to create a highly fibrous layer directly or through wound healing processes.

Large bore location device and methods

A vascular closure system includes a body portion, an anchor, at least one suture member, and a plurality of needles. The anchor assembly includes a hub and a wire assembly. The hub has at least one aperture defined in a sidewall thereof. The wire assembly includes an actuator member extending proximally through the body portion and hub, and at least one pre-formed wire having a free proximal end and a distal end that is connected to the actuator member. Withdrawing the actuator member extends the proximal end of the at least one pre-formed wire out of the at least one aperture to capture a portion of the vessel wall between the pre-formed wire and the body portion. The plurality of needles extend through the vessel wall adjacent to the vessel puncture and are configured to connect to the at least one suture member.

Surgical method and apparatus

An apparatus for use in connection with an endoscopic surgery comprises an elongated body adapted to be placed at least partially in the vagina of a female patient partially passing through the wall of the vagina such that an end portion of said elongated element is introduced into rectouterine pouch; the elongated body comprises at least an attachment means for accommodating at least a part of at least a surgical instrument comprising an end portion adapted to be received inside the vagina, the surgical instrument and the apparatus are movable to each other. An endobag having an elongated port is provided through the vagina into the pelvis. A method for use in a pelvic or peritoneal surgery is provided wherein at least an elongated end portion of a surgical instrument is provided in the cavity of the uterus through the vagina of a female patient such that the uterus can be repositioned by manipulating the surgical instrument and an incision is performed on the vaginal wall for accessing to the rectouterine pouch, a flexible element is provided in pelvis wherein the flexible element is looped around the uterus such that the flexible element encircles the uterus.

Blood vessel access system and device

An access system and device having a needle injector pivotally attached to an ultrasound transceiver is operated to place a sterilizable needle or needle/cannula unit within a blood vessel by a single user-device operator in which the blood vessel is made visible in a monitor image by ultrasound insonification. A guidance template having an expected path trajectory is overlapped on at least one of a transverse short axis, a longitudinal long axis, or a three-dimensionally imaged blood vessel that illustrates the predicted path of the needle or needle with overlapping cannula when it undergoes movement implemented by a controller located on the needle injector. In alternate embodiments the needle injector, ultrasound transceiver, and needle or needle/cannula unit may be contained within a flexible sheath that is capable of being sterilized.

Substaintially rigid and stable endoluminal surgical suite for treating a gastrointestinal lesion

Exemplary embodiments of devices and method for affecting at least one anatomical tissue can be provided. A configuration can be provided that includes a structure which is expandable (i) having and/or (ii) forming at least one opening or a working space through which the anatomical tissue(s) is placed in the structure. For example, the structure, prior to being expanding, can have at least one partially rigid portion. In addition, or as an alternative, upon a partial or complete expansion thereof, the structure can be controllable to have a plurality of shapes. Further, the structure can be controllable to provide the working space with multiple shapes and/or multiple sizes.

Blood vessel access devices, systems, and methods

A device having a needle injector pivotally attached to an ultrasound transceiver is operated to place a sterilizable needle or needle/cannula unit within a blood vessel by a single user-device operator in which the blood vessel is made visible in a monitor image by ultrasound insonification. A guidance template is overlapped on at least one of a transverse, longitudinal, or three-dimensionally imaged blood vessel that illustrates a predicted path of the needle when it undergoes movement implemented by a controller. In alternate embodiments the needle injector, ultrasound transceiver, and needle or needle/cannula unit may be contained within a flexible sheath that is capable of being sterilized.

Treatment instrument

Provided is a treatment instrument including a guide member with a tip surface to be pressed against an outer surface of a pericardium; a pericardium fixing member including at least one needle-shaped portion having a sharp pointed end extending diagonally forward along a circumferential direction at a tip of a cylinder-shaped body rotatable around the axis thereof; a perforating member for forming a through-hole for a guide wire in the pericardium to which the pericardium fixing member is fixed; and a pointed end position restricting portion for restricting the position of the pointed end in a direction of the axis relative to the tip surface of the guide member at a location where the pointed end of the pericardium fixing member does not reach the outer surface of a heart while the tip surface of the guide member is pressed against the outer surface of the pericardium.

Apparatus and method for forming pilot holes in bone and delivering fasteners therein for retaining an implant

Apparatus and methods for forming pilot holes in bone and deploying a staple therein for fixing a sheet-like implant to the bone. A pilot hole forming trocar assembly including a trocar and a position retention sleeve can be included. The trocar can be releasably coupled to the position retention sleeve and slide in keyed arrangement within the sleeve when uncoupled. The trocar can include a distal portion having a retractable blade and a pair of pilot hole forming spikes extending distally from the trocar shaft. Once the pilot holes are formed, the position retention sleeve maintains the position relative to the pilot holes while the trocar is removed and a staple delivery device can be inserted in the lumen of the position retention sleeve to deploy a staple in the pilot holes.

Impedance responsive ablation rf driving for moderating return electrode temperature

The inventive method for ablating a tissue mass associated with a human or animal patient being treated comprises positioning an ablating electrode in a tissue mass to be ablated. A plurality of return electrodes are positioned on the patient. Electrical energy is applied between the return electrodes and the ablating electrode. The temperature of the return electrodes is measured to generate a temperature measurement signal which is used to control ablation current through the return electrodes.

Reduced backflash joint and method of making same

A joint and a corresponding method of creating a precision-fit joint, including creating a mating surface on a first joint component so that the mating surface includes one or more interfering features, connecting a second joint component with the mating surface such that the interfering feature is compressed, and heating the mating surface above a glass transition temperature or melting temperature of the mating surface, or otherwise treating the surface, so as to induce flow of material from the interfering feature to a area of relatively low pressure between the first joint component and the second joint component.

Trocar system for use in laparoscopic surgery

A trocar system for use in laparoscopic surgery is disclosed. According to an embodiment of the present invention, the trocar system includes: an upper housing having a circular or oval shape with a lower opening; a plurality of protrusion membranes provided to the upper housing to install a trocar; one or more tubes for sustaining air passage installed on the upper housing; and a lower guide formed at the lower edge of the upper housing, installed on the upper portion of a laparoscopic retractor, and conveniently removed therefrom. The trocar is fixedly installed on the protrusion membrane, and includes: a trocar body having a cylindrical shape; a valve cover disposed over the trocar body to close the upper space thereof; a recess for an installation ring disposed on the lower outer circumference of the trocar body; and an elastic press which is moved in conjunction with the side portion of an upper valve to open the upper valve; the trocar system further includes a seal part. When the trocar body is inserted into the protrusion membrane, the seal part is disposed at the recess for an installation ring to fix the outer circumference of the protrusion membrane.

Electrophysiological endocardiology tool

Apparatus and methods for pacing the heart. The apparatus may include, and the methods may involve, an elongated member having: a delivery lumen that is configured to traverse the heart wall, the lumen having a proximal opening for receiving the instrument and a distal opening for deploying the instrument; and an electrically conductive member that is configured to deliver to the heart wall a current that modifies a contraction frequency. The apparatus may include an access opening closure device that has: a distal end that is configured to be disposed interior the heart and contact endocardial tissue adjacent the access opening; and a proximal end that is configured to be disposed exterior the heart and contact heart tissue adjacent the access opening; and an electrode that is configured to discharge electrical energy into the heart wall to change the frequency. The apparatus may include an injectable needle pacing electrode.

Dissection handpiece and method for reducing the appearance of cellulite

A dermatological skin treatment device is provided. The device comprises a handpiece and a cutting tool, wherein the tool is inserted through the conduit and percutaneously inserted into a tissue disposed within a recessed area of the handpiece. The device and method cut the fibrous structures under the skin that cause cellulite at an angle substantially parallel to the surface of the skin and replace these structures with a non-cellulite forming structure by deploying a highly fibrous mesh through a single needle hole to create a highly fibrous layer directly or through wound healing processes.

Minimally invasive surgical techniques

Apparatus and methods are described including a trocar ( 40 ) that defines a lumen therethrough, configured to provide a passage through skin of a subject into a body of the subject. A cannula ( 60 ) is configured to be placed into the subject's body via the passage provided by the trocar, the cannula being configured to be slidable with respect to the trocar. The cannula includes an outer tube ( 64 ) having a first expandable element ( 77 ) disposed at a distal end thereof, and an inner tube ( 62 ) having a second expandable element ( 72 ) disposed at a distal end thereof, the inner tube being configured to be slidable with respect to the outer tube. A vacuum port ( 61 ) applied vacuum pressure to the first expandable element via a space ( 65 ) between the inner and outer tubes of the cannula. Other applications are also described.

Minimally invasive surgical acess device

A minimally invasive surgical access device that allows access to a pathology being treated while significantly reducing the risk of damaging anatomical structures proximate the pathology. The access device includes a base portion having a central bore extending therethrough, and retractor blades pivotably mounted to the base portion. An insertion handle is coupled to the base portion to thread the retractor blades into the patient. The insertion handle is removed from the base portion, and a core hollow screw is threaded into the base portion to separate the retractor blades to gain access to the pathology through the hollow screw.

Surgical introducer and access port assembly

A surgical apparatus for permitting access to tissue includes an elongated introducer and a surgical port. The introducer includes an outer wall segment defining a longitudinal axis, a longitudinal port passage extending therethrough and a longitudinal slot in communication with the port passage. The introducer is dimensioned for at least partial introduction within an opening in tissue. The surgical port includes a port body mounted to the introducer with one of its leading and trailing ends disposed within the port passage and with the intermediate segment extending through the longitudinal slot and the other of the leading and trailing end external of the elongated introducer. The port body is dimensioned to be advanced within the port passage for deployment through the opening in the tissue and is adapted to transition from a compressed state to a released state.

Multi-portion wound protector

A surgical apparatus for positioning within a tissue tract accessing an underlying body cavity is adapted to allow passage of a hand to conduct hand-assist procedures, and is also adapted to allow passage of surgical instruments to conduct typical minimally invasive procedures. The surgical apparatus includes a rigid anchor member having an open proximal end, a flexible member having a closed distal end and a string attached thereto. The flexible member is configured to invert upon pulling the string in a proximal direction to expose the closed distal end proximally beyond the open proximal end.

Pulmonary nodule access devices and methods of using the same

In certain embodiments, a device is configured to be delivered to the site of a nodule in the lung or other body organ or lumen. The device can be configured to attach directly to the target nodule or to tissue adjacent the target nodule. The device can be configured to provide repeatable access to the site of the target nodule. In some embodiments, the device includes a guide wire that can extend proximal the device. The guide wire can be configured to engage with a catheter or other medical device to provided repeatable and dependable navigation to the site of the target nodule. In some embodiments, the device can include a channel portion through which medical devices and/or instruments can be navigated. In some embodiments, the device can be deployed in the wall of an airway or other body lumen to provide transluminal access to a nodule outside of the lumen.

Devices and methods for performing procedures on a breast

A guide element is used to guide a cutting device when removing breast tissue. The cutting device may have a tissue collection element for collecting tissue. The tissue collection element may be detachable so that the collection element may be removed independent from the cutting device.

Surgical device having indicia for cutting to size

A surgical apparatus includes a seal anchor member including a compressible material. The seal anchor member may be adapted to transition between a first condition for insertion of at least a portion of the seal anchor member within a tissue tract and a second condition to facilitate a securing of the seal anchor member within a tissue tract and in substantial sealed relation with tissue surfaces defining a tissue tract. The seal anchor member may define at least one port extending between the proximal and distal ends, the at least one port being adapted for the reception of an object whereby compressible material defining the at least one port is adapted to deform to establish a substantial scaled relation with the object. The seal anchor member may include indicia that indicates to a user a location at which the member may be cut to reduce the size of the member.

Floating, multi-lumen-catheter retractor system for a minimally-invasive, operative gastrointestinal treatment

Improved methods and devices for performing an endoscopic surgery are provided. Systems are taught for operatively treating gastrointestinal disorders endoscopically in a stable, yet dynamic operative environment, and in a minimally-invasive manner. Such systems include, for example, an endoscopic surgical suite. The surgical suite can have a reversibly-expandable retractor that expands to provide a stable, operative environment within a subject. The expansion can be asymmetric around a stabilizer subsystem to maximize space for a tool and an endoscope to each be maneuvered independently to visualize a target tissue and treat the target tissue from outside the patient in a minimally invasive manner.

Rib-protecting devices for thoracoscopic surgery, and related methods

Methods and devices are disclosed to reduce tissue trauma when a surgeon performs surgery by thoracoscopy. Methods and devices are disclosed for protecting tissues adjacent to an intercostal incision from trauma caused by impingement of instruments into an intercostal incision. In one part, these methods and devices include devices that have controls that stick up out of the incision, permitting adjustment by the surgeon. In another part, methods and devices are disclosed for smaller devices that reside entirely under this skin and require no adjustment by the surgeon.

Apparatus and method for forming pilot holes in bone and delivering fasteners therein for retaining an implant

Apparatus and methods for forming pilot holes in bone and deploying a staple therein for fixing a sheet-like implant to the bone. A pilot hole forming trocar assembly including a trocar and a position retention sleeve can be included. The trocar can be releasably coupled to the position retention sleeve and slide in keyed arrangement within the sleeve when uncoupled. The trocar can include a distal portion having a retractable blade and a pair of pilot hole forming spikes extending distally from the trocar shaft. Once the pilot holes are formed, the position retention sleeve maintains the position relative to the pilot holes while the trocar is removed and a staple delivery device can be inserted in the lumen of the position retention sleeve to deploy a staple in the pilot holes.

Apex closure device

Wound closure devices, systems, and methods may be used to close an opening, such as a puncture wound or incision, formed in tissue, such as heart tissue. A wound closure device may be configured and adapted to be placed within the puncture wound or incision to close and/or seal the puncture wound or incision. A bioadhesive may be used to strengthen the closure and/or seal of the puncture wound after placement of the wound closure device relative to the puncture wound.

Devices and methods for treatment of vascular aneurysms

The present invention relates to devices and methods for the treatment of diseases in the vasculature, and more specifically, devices and methods for treatment of aneurysms found in blood vessels. In a first embodiment of the present invention, a two part prostheses, where one part is an expandable sponge structure and the other part is an expandable tubular mesh structure, is provided. In the first embodiment, the expandable sponge structure is intended to fill the aneurysm cavity to prevent further dilatation of the vessel wall by creating a buffer or barrier between the pressurized pulsating blood flow and the thinning vessel wall. In the first embodiment, the expandable tubular mesh structure is placed across the aneurysm, contacting the inner wall of healthy vessel proximal and distal to the aneurysm.

Multi-lumen-catheter retractor system for a minimally-invasive, operative gastrointestinal treatment

Improved methods and devices for performing an endoscopic surgery are provided. Systems are taught for operatively treating gastrointestinal disorders endoscopically in a stable, yet dynamic operative environment, and in a minimally-invasive manner. Such systems include, for example, an endoscopic surgical suite. The surgical suite can have a reversibly-expandable retractor that expands to provide a stable, operative environment within a subject. The expansion can be asymmetric around a stabilizer subsystem to maximize space for a tool and an endoscope to each be maneuvered independently to visualize a target tissue and treat the target tissue from outside the patient in a minimally invasive manner.

Surgical tissue collection bag

An improved surgical dilator extractor is introduced into the abdominal cavity through a trocar cannula and expanded, forming a tissue receiving space, at the distal end. The tissue receiving space is enlarged by passing a grasper through a lumen of the dilator extractor to interact with a guide surface on the interior of dilator extractor to expand a dilator portion having a single leaf beyond the natural resiliency of the leaf. The tissue being extracted is then manipulated into the space with the grasper. The tissue is then removed from the cavity by the surgeon applying a force onto the dilator extractor that insures the elongation of the tissue and temporarily dilates the entry wound to the extent necessary for the tissue to be removed. Alternative embodiments of the surgical dilator extractor and related instrument tool sets and methods for the use thereof also are disclosed.

Laparoscopic device insertion cannula

The present invention is directed to a laparoscopic device insertion cannula (“LDIC”). The LDIC can be configured to store a surgical implant and can be formed from a hollow cylindrically shaped tube including a tapered closed tip at a distal end and a cap at a proximal end. The hollow tube can also include an opening adjacent the distal end. The opening can be covered, for example, by a flexible window. The flexible window can include a slit from which the surgical implant can be extracted from the LDIC. The surgical implant can be, for example, a gastric band.