46 results about "Tissue clip" patented technology

A system for treating tissue including a clip assembly including a pair of clip arms, a proximal end of each of the clip arms slidably received within a channel of a capsule and moveable between a tissue receiving configuration and a tissue clipping configuration. The system also including an applicator releasably coupleable to the clip assembly, the applicator including a control member connectable to the proximal end of each of the clip arms and a locking sleeve coupleable to a proximal end of the capsule via a deflectable tab including an engaging structure configured to engage a corresponding engaging structure at the proximal end of the capsule and a releasing structure proximal of the engaging structure, the releasing structure engagable with a portion of the control member to deflect the deflectable member and disengage the engaging structure of the locking sleeve from the corresponding engaging structure of the capsule.

A surgical stapling system, including a stapler including a first jaw having a tissue clamping surface and a second jaw operable to receive interchangeable staple cartridges having different staple patterns, the first and second jaws relatively pivotable between an open position and a closed position. The surgical stapling system also includes a first staple cartridge having a first staple pattern and a second staple cartridge having a second staple pattern, the second staple pattern being different from the first staple pattern. The stapler is configured to perform a first firing stroke to form a first set of staples using the first staple cartridge and a second firing stroke to form a second set of staples using the second staple cartridge.

The utility model provides an insertion type tissue clamp closing device and its movement pole (200), movement pole (200) is integrative structure, has reservation section (220) and separate section (230). In the movement course of movement pole (200) along the third stroke, through the stop structure (540) on separate base (500), the reservation section (220) is formed limit, prevents the reservation section (220) from moving with separate section (230), thereby makes the reservation section (220) and separate section (230) break at first tear (240). Reservation section (220) and separate section (230) are integrative structure, convenient to process, need not secondary assembly, can simplify structure and assembly step. The separation of reservation section (220) and separate section (230) is mainly realized through the limiting effect of separate base (500), can simplify the clamping structure, and the whole clamping structure is smaller.

A clamping piece of an insertion type tissue clamping and closing device, the clamping piece comprising at least two clamping arms, each clamping arm comprising a clamping head and a bendable part, the bendable part having a deformation structure capable of bending towards a closing direction of the clamping piece and / or bending towards an opening direction of the clamping piece. In this structure, the sleeve in the prior art structure is omitted, the clamping piece is directly driven by a movement rod, and in combination with the deformation state of the bendable part, the opening and closing of the clamping piece are realized. Under the same opening width requirement, the length of the clamping piece is shorter than the combination of the clamping arm and the sleeve in the prior art. Moreover, in the clamping piece, some parts are manufactured separately, and after being assembled into an integral whole, the manufacturing difficulty is reduced, and the cost is reduced.

1. Name of the product in this design: Tissue clamping device clamping part. 2. Purpose of this design: Medical device for stopping or closing tissue bleeding. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The utility model relates to the technical field of medical apparatus and instruments, and discloses a flat nylon rope for purse-string suture under an endoscope, which comprises a flat annular nylon rope body, the length of the flat annular nylon rope body is matched with the edge of a wound surface, and the flat annular nylon rope body is made of a high-strength and high-flexibility medical nylon material; the elastic fixing buckle is detachably connected with the flat annular nylon rope body and is used for fixing after the nylon rope is tightened; according to the flat cross section design, when the tissue clamp is used for clamping, the tissue clamp can be kept in the direction perpendicular to the wound surface, and therefore the suturing stability and uniformity are improved. The stability and success rate of purse-string suture under the endoscope are improved, the operation difficulty is lowered, the operation time is shortened, meanwhile, the suture sealing performance is enhanced, and the risk of postoperative complications is reduced.

A tissue treatment device includes a balloon and first and second clip arms each having a proximal end received within the balloon for movement between an open configuration and a closed configuration. A tissue retention feature extends radially inward from each arm to grip tissue in the tissue gripping configuration and release the tissue in the open configuration. The retention feature is coupled to the arm via a curved portion. The second clip arm includes a second tissue retention feature extending radially inward from the first portion of the second clip arm toward the longitudinal axis.

This utility model relates to a clamp magazine for a rapid-fire clamping pliers that facilitates stable clamping. It includes a groove-shaped clamp magazine and a pusher plate slidably disposed at an opening on the upper side of the clamp magazine. A compartment for holding tissue clips is formed between the pusher plate and the inner wall of the clamp magazine. The tissue clip includes two curved arms, with a support protrusion at the front end of each curved arm abutting against the bottom surface of the pusher plate and the inner bottom wall of the clamp magazine. The inner bottom wall of the clamp magazine has a limiting protrusion extending along the tissue clip conveying direction. The limiting protrusion is located between the support protrusions at the front ends of the two curved arms and abuts against the side wall of the tissue clip. The purpose of this utility model is to provide a clamp magazine for a rapid-fire clamping pliers that facilitates stable clamping, ensuring that the tongue of the pusher plate can effectively and reliably contact the hinge at the tail of the tissue clip, thereby ensuring smooth clamping.

An adaptable working-channel apparatus comprising: at an external working channel attached at its proximal end to a first mounting coupling; a handle-mounting sleeve for surrounding an endoscope shaft or handle, and having on its radially outer peripheral side at least one second mounting coupling for releasable mounting engagement with the first mounting coupling. The first mounting coupling comprises two spring-loaded clamping branches that are hinged together like a clothes pin and each form a clamping portion and an actuation portion. The second mounting coupling has a mounting rail extending in the longitudinal direction of the handle-mounting sleeve and has or forms at least one undercut that can be interlockingly clasped by the clamping branches of the first mounting coupling. Also provided is a distal tissue-clip application adapter that is connectable to the adaptable working-channel apparatus; and a surgical equipping system, having the working-channel apparatus and tissue-clip application adapter.

A tissue treatment device includes a capsule and first and second clamping arms, each having a proximal end received within the capsule for movement between an open configuration and a closed configuration. A tissue retention feature extends radially inward from each arm to clamp tissue in the tissue clamping configuration and release the tissue in the open configuration. The retention features are coupled to the arms via a curved portion. The second clamping arm includes a second tissue retention feature extending radially inward from the first portion of the second clamping arm toward a longitudinal axis.

A system for treating tissue including a clip assembly including a pair of clip arms, a proximal end of each of the clip arms slidably received within a channel of a capsule and moveable between a tissue receiving configuration and a tissue clipping configuration. The system also including an applicator releasably coupleable to the clip assembly, the applicator including a control member connectable to the proximal end of each of the clip arms and a locking sleeve coupleable to a proximal end of the capsule via a deflectable tab including an engaging structure configured to engage a corresponding engaging structure at the proximal end of the capsule and a releasing structure proximal of the engaging structure, the releasing structure engagable with a portion of the control member to deflect the deflectable member and disengage the engaging structure of the locking sleeve from the corresponding engaging structure of the capsule.

The embodiment of the invention relates to a medical instrument, and discloses a driving device of a running clip applier, the running clip applier comprises a tissue clip pushing structure, and a supporting rod is of a hollow structure and is used for installing the tissue clip pushing structure; the supporting rod is sleeved with a first sliding adapter and a second sliding adapter, the first driving assembly comprises a first connecting rod, a first spiral gear shaft and a second spiral gear shaft, the first end of the first connecting rod is connected with the first sliding adapter, and the second end of the first connecting rod is provided with a first helical tooth part and a second helical tooth part; the first helical tooth part is meshed with the first helical gear shaft, and the second helical tooth part is meshed with the second helical gear shaft; the first spiral gear shaft and the second spiral gear shaft are arranged on the two sides of the supporting rod correspondingly and can rotate synchronously to drive the first connecting rod to move, and then the first sliding adapter is driven to reciprocate in the axial direction of the supporting rod. The second driving assembly is connected with the second sliding adapter and used for driving the second sliding adapter to reciprocate in the axial direction of the supporting rod.

1. Name of the product in this design: Clamping arm of a tissue clamping device. 2. Purpose of this design: To perform hemostasis or tissue closure by inserting an endoscope into the human body. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

A surgical staple cartridge includes installation poka-yoke features. The surgical staple cartridge is configured to be installed between a pair of closure plates of a surgical instrument. The closure plates are configured to push the surgical staple cartridge towards a staple anvil portion of the surgical instrument to clamp tissue between the surgical staple cartridge and the staple anvil portion. The surgical staple cartridge includes two opposite side walls extending in a longitudinal direction parallel to an installation direction of the surgical staple cartridge. A protrusion and / or a slot are provided on an outer surface of at least one of the side walls. The protrusion as well as the slot are configured to cooperate with corresponding features on the closure plates, so as to prevent an inappropriate installation of the surgical staple cartridge.

A system for treating tissue includes a capsule including a channel extending therethrough; first and second clip arms each extending from a proximal end to a distal end, the proximal ends being received within the channel of a capsule to be moved between an open tissue receiving configuration; and a closed tissue clipping configuration. The first clip arm includes a first tissue retention feature at a distal portion thereof configured to pierce through a target tissue when in the tissue clipping configuration and subsequently release the target tissue when the clip arms are moved to an at least partially open configuration. The second clip arm includes a second tissue retention feature at a distal portion thereof configured to pierce and retain the target tissue thereon when in both the closed tissue clipping configuration and the open tissue receiving configuration.

The invention belongs to the technical field of medical equipment, and discloses a stable positioning tissue clamp which comprises a sleeve, a supporting ring is fixed outside the sleeve, a push block is movably connected in the sleeve, a clamping mechanism is installed at one end of the sleeve, an extrusion mechanism is installed in the push block, and a limiting mechanism is installed at one end of the extrusion mechanism. Through cooperation of structures such as a first triggering piece, a first piston and a positioning needle, the device can press the first triggering piece and a second triggering piece, so that the first piston and a second piston extrude the space in a push block, then the interior of the push block is pressurized, compressed air is guided into a sleeve through guiding of an air conveying pipeline, and the device is more convenient to use. When the device is used for clamping the tissue, the positioning needle is pressed to make contact with the tail end of the positioning needle, then the positioning needle is extruded, the positioning needle can be inserted into the skin tissue of a patient after stretching out, then the tissue is clamped after stable positioning is kept, and the tissue clamping stability of the device is improved.

A clipping system includes a pusher element, a holder mounted over an insertion device and clips stacked along a length of the holder. The holder includes a longitudinally channel. Each clip extends along a curvature defining a tissue-receiving space therewithin and extends about the holder with an exterior surface of the holder holding the clip open with the first and second ends of the clip separated from one another to receive a tissue therein. Each clip is independently deployable from the holder so that, upon release of the clip from the holder, the clip reverts to a closed configuration. In the closed configuration, the first and second ends are moved toward one another to reduce a size of the tissue-receiving space so that tissue is gripped therewithin. The element is mounted over the holder and moved distally along the holder to independently deploy each clips.

The present disclosure relates to a surgical tissue clip application assembly (2) for an endoscope or for an endoscope, comprising a tissue clip (4) for suturing tissue, a cap (6) mountable on a distal end section of the endoscope, in particular insertable onto the end section, and a pull-out ring (8), the invention relates to an endoscope (1) having a cover (6), on which the tissue clip (4) is radially supported, or formed by a distal end section of the endoscope, and on a radially outer peripheral surface (10) of which the tissue clip (4) is radially supported, and a pull-out ring (7), which is arranged axially displaceably on the cover (6) and by means of an axial displacement of which the tissue clip (4) is displaceable in a distal direction, the cover (6) and the pull-out ring (8) can be or are connected to each other in a rotationally fixed manner. Furthermore, the present disclosure relates to an endoscope having a surgical tissue clip application assembly (2).

The present invention belongs to the field of medical device technology, and in particular relates to a continuous-fire clip applier drive mechanism. The present invention addresses the problem in the prior art of requiring another transmission method to replace the special-shaped cam, and provides a continuous-fire clip applier drive mechanism comprising a clamp head and a clamp head push rod connected to the clamp head at one end, the clamp head push rod having a clamp head propulsion structure connected to the end away from the clamp head, a drive handle drivingly connected to the clamp head propulsion structure, and a tissue clamp propulsion structure that propels the tissue clamp via the tissue clamp push rod. A transmission structure having a clamping distance compensation function is provided between the drive handle and the tissue clamp propulsion structure, and the drive handle is drivingly connected to the tissue clamp propulsion structure via the transmission structure. The present invention utilizes a transmission structure having a clamping distance compensation function to replace the previously used special-shaped cam structure, thereby avoiding the problems associated with the use of the special-shaped cam structure.

The present disclosure relates to a tissue clip adaptive attachment or retrofit set (1) with a cap attachment (2). The tissue clip adaptive attachment or retrofit set (1) is designed to be attached, particularly to be mounted, to the distal end of a shaft-type medical endoscope (3), and for this purpose has a preferably proximal attachment or mounting portion (4) and a preferably distal tissue clip holding portion (5). In the region of the proximal attachment or mounting portion (4) and the distal tissue clip holding portion (5), a cavity (6) is formed therein that is open at least in the distal direction, and a tissue clip (9) is radially supported on its radially outwardly facing outer circumferential surface (8) and can be displaced distally by a distancing device in the form of a cable-pull operable distancing ring (10) that is axially slidably mounted on the radially outer circumferential surface (8) of the tissue clip holding portion (5) to move the tissue clip (9). The cable pull is in direct contact with the distancing ring (10) at at least two connection or engagement points (18) for transmitting a sliding force.

A surgical instrument and an associated method are disclosed. The surgical instrument includes an end effector having an ultrasonic scalpel, a metal jaw clamp, and a partially conductive tissue pad coupled to the jaw clamp. The tissue pad includes a polymer substrate in which conductive traces are formed on a surface of the polymer substrate. The polymer substrate may be formed of polytetrafluoroethylene (PTFE), and the surface of the PTFE substrate may be treated to improve the adhesion of the conductive traces. The tissue pad is ergoerable during activation of the ultrasonic scalpel. The conductive traces may be multilayer laminates. A method of constructing the surgical instrument includes forming the conductive traces on the surface of the polymer substrate and securing the polymer substrate to the metal jaw clamp.

The present disclosure relates to compression clips, and more specifically, to compression clips delivered to a target site through an endoscope for use in tissue resection, for example, within the gastrointestinal tract. In examples, clips are configured to be actuatable in response to a compressive force to transition between an open configuration and a closed configuration. In an embodiment, a tissue clipping device may include a first member with a plurality of arms. Each of the arms may extend from a first end to a second end, and the first end of each arm may be received within the first member. The arms may be movable between the open configuration and the closed configuration. A second member may be slidably disposed with respect to the first member.

A continuous clip applier based on an anastomat comprises an anastomat instrument, a connecting assembly and a clip applier assembly, one end of the connecting assembly is connected with the clip applier assembly, and the other end of the connecting assembly is detachably connected to the anastomat instrument; the clip applier assembly comprises a clip feeding and closing push tube, a clip feeding assembly and a clip closing assembly, the clip feeding and closing push tube is connected with the clip feeding assembly and the clip closing assembly, and the clip feeding and closing push tube pushes the clip feeding assembly to push the tissue clip to a working position and further pushes the clip closing assembly to close the tissue clip. Based on the design of the utility model, in one operation, the handle of one anastomat can be combined with the clip applier assembly and the anastomat assembly for multiple times, so that the operation cost can be reduced.

The invention relates to a tissue fixing device with a clutch locking function. The tissue fixing device comprises a supporting mechanism, a clutch mechanism and a locking control assembly. The supporting mechanism comprises a fixed connecting assembly and a driving assembly capable of axially moving, and the driving assembly controls opening and closing actions of the clamping mechanism through axial displacement. The clutch mechanism transmits axial thrust and pulling force to the driving assembly by driving the operating rod. The locking control assembly achieves position locking of the driving assembly through cooperation of the sliding driving part and the limiting part, and when the sliding driving part is located at the initial position, the limiting part is engaged to lock axial movement; and unlocking when sliding to a preset position. Clutch transmission and sliding type mechanical locking are combined, so that the driving performance of quick response of the clamping mechanism is guaranteed, and the tissue clamping stability is guaranteed through a double-locking mechanism.

The application discloses a tissue holder, comprising: a clip, the distal end of the clip having at least two clip arms extending to the distal side, the proximal end of the clip having an operating arm extending to the proximal side; a cylindrical clip seat, the clip seat being provided with a locking structure, the proximal end of the clip being received in the clip seat; and a control piece, the control piece comprising a control arm extending to the distal side, the control arm being releasably connected with the operating arm in the clip seat, so that the control piece can drive the clip to move along the axial direction of the clip seat to change the opening and closing state of the at least two clip arms. The control arm biases the operating arm radially outward when the control arm is connected with the operating arm; the control arm is located radially outside the locking structure, so that, with the control arm being separated from the operating arm, the operating arm moves radially inward to be engaged with the locking structure of the clip seat to lock the clip in the closed state. According to the embodiment of the application, the clip and the clip seat structure are simple, the part features are few, and the price cost is low by using the internal locking structure.

A surgical stapling system, including a stapler including a first jaw having a tissue clamping surface and a second jaw operable to receive interchangeable staple cartridges having different staple patterns, the first and second jaws relatively pivotable between an open position and a closed position. The surgical stapling system also includes a first staple cartridge having a first staple pattern and a second staple cartridge having a second staple pattern, the second staple pattern being different from the first staple pattern. The stapler is configured to perform a first firing stroke to form a first set of staples using the first staple cartridge and a second firing stroke to form a second set of staples using the second staple cartridge.

An example medical device is disclosed. An example medical device includes a tissue clamping device including a bushing having a distal end, a proximal end, and a lumen extending therethrough. A clip including at least a first arm and a second arm is configured to be coupled to the distal end of the bushing, wherein one of the first arm and the second arm includes a tissue grasping member. A control wire having a proximal end and a distal end is configured to extend through the lumen of the bushing, and a helical member is configured to be coupled to the distal end of the control wire. The control line is configured to advance the helical member in a distal direction along a longitudinal axis of the tissue gripping device and retract the helical member in a proximal direction along a longitudinal axis of the tissue gripping device.

This utility model relates to a clip magazine for a series-fired clamp for correcting clip orientation. It includes a clip magazine and a pusher plate slidably disposed within the magazine. Several tissue clips are installed within the magazine, each tissue clip including two curved arms. A guiding component is provided on the front side wall of the magazine, comprising an elastic plate and a lever for correcting the orientation of the tissue clips. One end of the elastic plate is fixed to the side wall of the magazine, and its free end can deform and swing outwards from the magazine. The lever is disposed at the free end of the elastic plate and extends into the magazine, engaging with the clamping surface of one of the curved arms of the foremost tissue clip within the magazine. The purpose of this utility model is to provide a clip magazine for a series-fired clamp for correcting clip orientation, capable of adjusting the orientation of the tissue clips within the magazine, ensuring effective and secure contact between the pusher plate tongue and the hinge at the tail of the tissue clip, thereby ensuring smooth clip application.