116 results about "Tissue clip" patented technology

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 tissue clamping system (1) includes a tissue clamping device (100) and a driving component (200). The tissue clamping device (100) includes a clamping part (10), a first supporting part (20), a second supporting part (30), and a restricting part (40). The clamping part (10) includes at least two supporting arms (110) and at least two clamping arms (120) in one-to-one correspondence with the at least two supporting arms (110). The at least two supporting arms (110) are provided on the first supporting part (20), and the at least two clamping arms (120) are provided on the second supporting part (30). The second supporting part (30) includes a guiding element (320). The restricting part (40) passes through the first supporting part (20) and is fixedly connected to the first supporting part (20). The driving component (200) passes through the restricting part (40) and is detachably connected to the second supporting part (30), and the driving component (200) is configured to drive the at least two supporting arms (110) to expand or close radially with respect to the restricting part (40), so that the at least two clamping arms (120) expand or close radially with respect to the restricting part (40). In a closed state, a distal end of the restricting part (40) is housed in the guiding element (320) such that the distal end of the restricting part (40) is housed in the guiding element (320) at the first moment when the supporting arm (110) is expanded, and the restricting part (40) and the guiding element (320) encase the driving component (200), which may form a better restricting and reinforcing effect on the driving component (200). It is beneficial to the force stability of the supporting arm (110) and the clamping arm (120) at the first moment when the supporting arm (110) is expanded, and thus no offset occurs during further opening process and subsequent closing process, and the clamping effect is better.

The invention discloses a tissue clamping piece which comprises a connecting base, a first driving part, a second driving part, a first elastic piece assembly and a second elastic piece assembly, and the first elastic piece assembly and the second elastic piece assembly integrally extend out of the two opposite side edges of the connecting base respectively. The first elastic piece assembly and the second elastic piece assembly each comprise a female elastic piece and a secondary elastic piece, and each secondary elastic piece is provided with a barb used for being connected with tissue. When the secondary elastic sheet is driven by the first driving part to reach the tissue or to be jointed with the tissue, the primary elastic sheet can be driven and controlled by the second driving part to move between a jointing state jointed with the tissue and a separating state separated from the tissue so as to detect whether the tissue is properly jointed by the secondary elastic sheet or not; after the tissue is properly jointed by the elastic piece, the female elastic piece and the elastic piece clamp the tissue at the same time. The invention also provides a valve repair device using the tissue holder.

According to the plug-in type tissue clamping device and the transmission part thereof, in the plug-in type tissue clamping device, when a clamping part clamps large tissue or hard tissue, an operator can apply larger acting force to the clamping part through the transmission part. Before the clamping piece completes the expected meshing effect, the clamping and abutting part is always opposite to the limiting part and cannot move to the locking window, at the moment, even if larger force is applied to the transmission piece, due to the fact that the limiting part limits the clamping and abutting part, an integral transmission structure is always kept between the pull rod and the separation head, and the clamping and abutting part cannot move to the locking window. The pull rod can drive the separation head to continue to move towards the locking window until the clamping and abutting part also moves to the locking window, the butt joint can push the clamping and abutting part to move towards the two sides of the separation head, the butt joint can be disengaged from the butt joint groove, and the clamping and abutting part can be clamped into the locking window. After the plastically deformed clamping and abutting part is locked to the locking window, the clamping and abutting part cannot return and rebound, and it can be guaranteed that the clamping piece is in a reliable clamping and closing state all the time.

The present disclosure pertains to medical devices. More particularly, the present disclosure pertains to tissue clip devices and related systems and methods. In an embodiment, a tissue clip may include a grasper including jaws at a first end, and a spring portion at a second end, and a longitudinal axis extending along a length of the grasper from the first end to the second end, wherein the spring portion is configured to bias the jaws toward each other. A wedge may be slidably disposed between the jaws such that an apex of the wedge is oriented toward the spring portion. A filament may be coupled to the wedge at a first end of the filament and may extend through a channel of the spring portion of the grasper to a second end of the filament.

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 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 present invention discloses a tissue clip and a hemostatic device, belonging to the technical field of medical devices. The tissue clip provided by the present invention comprises an upper arm of a tissue clip and a lower arm of a tissue clip, the first connecting end of the upper arm of the tissue clip and the second connecting end of the lower arm of the tissue clip are rotatably connected, and the first closed end of the upper arm of the tissue clip and the second closed end of the lower arm of the tissue clip are configured to have an open state and a closed state. The tissue clip is provided with a one-way rotation limiting mechanism at the rotation connection between the upper arm of the tissue clip and the lower arm of the tissue clip, so that the first closed end and the second closed end can be limited to a closed state, which greatly improves the tightness of the tissue clip after closing, and avoids the occurrence of loose closure and rebound opening of the tissue clip after closing. The hemostatic device provided in this embodiment can release the tissue clip and is easy to use.

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.

The present invention relates to the field of endoscopic instruments, and in particular to a chuck of a soft tissue clamp. The chuck comprises a protective sleeve and a clamping unit installed in the protective sleeve, wherein the protective sleeve is arranged outside the clamping unit, one end of the protective sleeve is a clamping end, and the other end is a limiting end; one end of the clamping unit extending outside the clamping end of the protective sleeve is the clamping end, and the other end of the clamping unit extends into the interior of the protective sleeve, and a limiting piece is arranged at the other end of the clamping unit, and the protective sleeve is provided with a limiting hole corresponding to the limiting piece at its limiting end. The clamping end can be prevented from opening and separating from the soft tissue at the wound, so as to facilitate the healing of the wound.

1. The name of this design product: clamping arm of tissue clip. 2. Purpose of the product of this design: a medical device used through an endoscope to stop bleeding or close tissue. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

An insertable tissue clamping device, the clamping structure of which has a locking and mating part, and the moving part has a locking part. The locking part locks with the locking and mating part when the clamping arm clamps the target tissue to prevent the clamping arm from opening, so that the clamping arm can be stably held in the clamping state.

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.

The present disclosure pertains to medical devices. More particularly, the present disclosure pertains to tissue clip devices and related systems and methods. In an embodiment, a tissue clip may include a grasper including jaws at a first end, and a spring portion at a second end, and a longitudinal axis extending along a length of the grasper from the first end to the second end, wherein the spring portion is configured to bias the jaws toward each other. A wedge may be slidably disposed between the jaws such that an apex of the wedge is oriented toward the spring portion. A filament may be coupled to the wedge at a first end of the filament and may extend through a channel of the spring portion of the grasper to a second end of the filament.

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.

An apparatus includes a shaft assembly, an ultrasonic blade, and a clamp assembly. The shaft assembly includes an acoustic waveguide operable to transmit ultrasonic vibrations to the blade. The clamp assembly includes a clamp arm pivotable toward and away from the blade about a pivot axis, to clamp tissue between the clamp arm and the blade. A rotation feature may provide rotation of the blade relative to the clamp arm about the longitudinal axis of the waveguide. Alternatively, the rotation feature may provide rotation of the clamp arm relative to the blade about the longitudinal axis. The rotation feature may be driven based on pivotal positioning of the clamp arm relative to the blade about the pivot axis. The rotation feature may selectively lock and unlock the angular position of either the blade or the clamp arm about the longitudinal axis at any of a number of predetermined angular positions.

The utility model relates to the technical field of medical instruments, in particular to a multi-channel tissue clip running-hair clip forceps for ligating and closing lumen tissues. Comprising a holding mechanism (2), a forceps clip mechanism (3), a closing mechanism (4) and a multichannel tissue clip (5), the holding mechanism (2) comprises a fixed handle (20) and a rotating wheel (21); the fixed handle (20) is of a pistol type structure formed by combining a left piece and a right piece, a coaxial multi-section type cylindrical groove (202) is formed in the inner side of the fixed handle (20), and the front end of the cylindrical groove (202) is connected with the rotating wheel (21) in a matched mode so that the rotating wheel (21) can rotate but cannot move in the axial direction. The forceps clip mechanism (3) is composed of a forceps pressing handle (30), a forceps pressing pipe (31), a forceps pressing reset spring (32), a clip seat pipe (33), an upper forceps head (34) and a lower forceps head (35). The closing mechanism (4) is composed of a front push needle (41), a rear push needle (42) and a push needle pin (43).

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 present application relates to a tissue clamp and a continuous clamp applicator, belonging to the technical field of medical devices, which includes a tissue clamp, including a first clamp body and a second clamp body for clamping tissue, the first clamp body and the second clamp body are an arched first clamp body and an arched second clamp body that cooperate with each other and bend in the same direction, the first clamp body and the second clamp body are hinged at one end, the first clamp body head is provided with a slot, the second clamp body head is provided with a clip, and a continuous clamp applicator using the tissue clamp. The tissue clamp in the present application adopts a brand-new structure in which one end rotates and the other end engages, and without changing the operating habits of the existing clamp applicator, it completely solves the problem of insufficient elasticity of the existing polymer tissue clamp, improves the root strength of the existing tissue clamp, reduces the risk of deformation and fracture, and provides a reliable and practical solution for the promotion of continuous clamp applicator technology.

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.

A system for compressing body tissue including a clip having first and second tissue contacting surfaces. The clip is movable from a closed position to an open position wherein the clip receives tissue between the first and second tissue contacting surfaces to compress tissue between the first and second tissue contacting surfaces. A clip deployment device has a first clip engagement member and a second clip engagement member engageable with the clip, the first and second clip engagement members movable between first and second positions to controllably move the clip from the closed position to the open position.