32 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.

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.

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.

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 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.

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 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.

A tissue sealing and cutting instrument includes a jaw actuation handle movably coupled to the instrument body handle and configured to move a pair of opposing jaws disposed on a shaft extending from the instrument body from an open position to an approximate position for clamping tissue therebetween. A cutting member is disposed in the shaft in a retracted position, wherein the cutting member may be advanced distally to cut tissue clamped between the jaws by a cutting member translation assembly that includes a rack and pinion assembly mounted in the instrument body, wherein a portion of the jaw actuation handle interferes with and prevents rotation of the pinion, and corresponding distal advancement the cutting member, unless the jaw actuation handle is moved sufficiently towards the instrument body handle to move the pair of opposing jaws into the approximate position.

1. The name of the design product: paper towel buckle. 2. The use of the design product: the design product is used as a component of a paper towel box. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The invention relates to a blood flow pressure airtight triple feedback type tubular anastomat system, which relates to the technical field of tubular anastomats, and comprises a near-infrared detection module, which is used for evaluating microcirculation blood flow of a target anastomosis area in real time and identifying an ischemic area in a tissue pre-clipping stage; the intelligent pressure sensing module is used for monitoring the pressure distribution of the contact surface of the nail bin and the tissue in real time in the tissue clipping process and estimating the tissue thickness; the dynamic airtightness detection module is used for performing automatic airtightness detection on the anastomotic stoma after anastomosis is completed and the central rod is withdrawn; and the central data processing module comprises a data acquisition and preprocessing unit, a feature extraction and data matching unit and an intelligent judgment unit. Synchronous acquisition, cleaning, matching and comprehensive analysis of three-dimensional data of blood flow, pressure and airtightness are realized through the central data processing module.

1. The name of the design product: graphical user interface of electronic device for medical instrument operation. 2. The use of the design product: an electronic device. 3. The design points of the design product: in the graphical user interface. 4. The picture or photo that best shows the design points: change state figure 1. 5. The use of the graphical user interface: for displaying the state information of the medical instrument to the operator, and prompting the anastomosis operation process of the medical instrument (from the squeezing process to the firing process). When the user operates the medical instrument to close the clamp after clamping the tissue, the interface is as shown in the front view, prompting the user that the clamp is fully closed. When the clamp is fully closed and the squeezing starts, the interface changes to change state figure 1, prompting the user that the 15-second countdown of the squeezing starts, and the interface displays the remaining time of the countdown in real time in the center position of the interface, and the interface changes from change state figure 1 to change state figure 2 to change state figure 6 in turn, and change state figure 2 to change state figure 6 respectively display the interface when the countdown is 12 seconds, 9 seconds, 6 seconds, 3 seconds and 0 seconds (the countdown is completed), the arc-shaped structure in the interface changes with the countdown, and the five short arc-shaped areas constituting the arc-shaped structure will be darkened one by one counterclockwise every 3 seconds, and when the countdown is completed (the center of the interface displays 0 seconds), the arc-shaped structure is fully darkened, prompting the user to start the firing operation after the squeezing is completed, and the interface changes from change state figure 6 to change state figure 7, according to the thickness of the tissue in the firing process, the corresponding firing gear (1 gear, 2 gear, 3 gear) is matched, at the same time, the sector area in the interface will display the range of the sector area of the corresponding gear according to the range of the gear value, and the corresponding gear value is displayed in the center position of the interface, and the specification of the distal end execution assembly is displayed in the lower right corner of the interface, and the progress bar in the lower left corner of the interface represents the progress of the knife during firing or backtracking, when the progress bar is empty, it means that the knife is in the original position, and when the progress bar is full, it means that the knife is at the farthest position. Change state figure 7 displays the interface when the firing gear is 1, and a sector area is correspondingly lighted up, and the current progress of the knife is displayed.

The utility model discloses a multi-angle adjustable endoscopic tissue clamp, relates to the technical field of endoscopic tissue clamps, and specifically comprises a mounting rod and a mounting rack, the mounting rod is located above the mounting rack, the inner wall of the mounting rod is rotatably connected with a threaded rod, the outer surface of the threaded rod is in threaded connection with a threaded block, and the threaded block is located above the mounting rack. A fixing block is fixedly connected to the inner wall of the mounting rod, the upper surface of the fixing block is rotationally connected with the threaded rod, a connecting rod is fixedly connected to the lower surface of the fixing block, and a fixing plate is fixedly connected to the lower surface of the connecting rod. According to the multi-angle adjustable endoscope tissue clamp, a threaded rod is driven to rotate by rotating a mounting ring, a threaded sleeve is driven to ascend and descend at the same time, and then through cooperative arrangement of a fixing plate, a connecting frame, a sliding groove, a sliding block, a sliding frame, a connecting block, a movable rod and a placement frame, the mounting frame and the clamp are driven to facilitate angle adjustment; therefore, the adjusting effect is achieved, and the adjusting purpose is achieved.

The invention relates to the technical field of medical instruments, and discloses a tissue clipping device. The tissue clipping device comprises a clamping assembly, a second elastic piece and two first elastic pieces, the clamping assembly comprises two clamping arm beams extending in the first direction, and the two clamping arm beams are symmetrically arranged in the second direction; the two first elastic pieces are located at the two ends of the clamping assembly in the first direction, the two ends of the first elastic pieces elastically clamp the opposite sides of the two clamping arm beams correspondingly, and the two ends of the first elastic pieces are slidably connected to the two clamping arm beams correspondingly; the opposite sides of the two clamping arm beams are each provided with at least one second elastic piece, the second elastic pieces are connected to the ends of the first elastic pieces, and the second elastic pieces are used for applying pulling force to the ends of the first elastic pieces. According to the tissue clipping device, under the condition that the size of the tissue clipping device in the first direction is fixed, the boundary dimension of the tissue clipping device in the first direction is reduced in the closed state, a large distance can be generated between the two clamping arm beams in the open state, the maximum clamping area is increased, and the operation difficulty is reduced.

An insertion-type tissue clipping device. Clamping heads and bendable portions remain relatively fixed to each other. Each clamping head is opened and closed by means of a bending function of each bendable portion. In the device, a moving member is arranged in a clamping member in such a manner that the moving member can move in the axial direction of the clamping member. The device dispenses with a sleeve in the prior art, and the moving member directly drives a clamping arm, such that the clamping arm is opened and closed in combination with a deformation state of the bendable portion. With the same requirement for an opening amplitude, the length of the clamping arm is shorter than the combined length of a clamping arm and the sleeve in the prior art.