41 results about "Suture cutter" patented technology

The application provides a laparoscope reciprocating suture device middle wire guide intermittent release mechanism, the suture device comprises a curved needle mounting block, the curved needle mounting block is provided with a curved needle groove, a curved needle is movably arranged in the curved needle groove, the curved needle performs curve movement along the curved needle groove, the curved needle mounting block is provided with a first opening and a second opening, the first opening is located at the front end of the curved needle groove, the second opening is movably connected with a wire guide, the wire guide is connected with a suture wire, and the intermittent release mechanism is arranged at the position of the second opening.The wire guide is limited or released, the wedge-shaped teeth between the rotating buckle and the rotating buckle base, the reset spring and the two-face cutting flange are arranged, so that the curved needle automatically and intermittently draws out the wire guide from the second outlet and separates from the wire guide when reciprocating, the wire guide remains in the second outlet position, manual operation is not required for releasing the wire guide or limiting the wire guide each time, the order of suture wire routing is ensured, and the reliability and convenience of surgical suturing are improved.

A suturing device includes a first member, a distal carriage connected with the first member, a proximal carriage connected with the first member, a receiver connectable to at least one of the distal carriage and the proximal carriage, and an elastic coupling that couples the distal carriage and the proximal carriage. The first member is elongate and includes a footplate. The footplate includes a slot configured to retain a suture connector. The distal carriage and the proximal carriage are slidable with respect to the first member. Movement of the proximal carriage with respect to the first member results in movement of the receiver with respect to the first member. The receiver includes a suture connector capture that captures the suture connector. The elastic coupling is configured to compress when the distal carriage contacts an obstruction allowing the receiver to move with respect to the distal carriage and the first member.

The utility model relates to a surgical stitching instrument and an end actuator thereof, the end actuator comprises a first clamping component, a second clamping component and a push broach piece, the second clamping component is movably connected with the first clamping component and can be matched with the first clamping component to clamp tissue, the first clamping component is provided with a feed groove extending in the axial direction and a nail bin provided with anastomosis nails, and the second clamping component is provided with a push broach piece. The feed groove divides the opposite surfaces of the first clamping component and the second clamping component into a first part and a second part which are located on the two sides of the feed groove, the width of the first part is larger than that of the second part, and the nail bin is located on the first clamping component where the first part is located. According to the end executor, the nail bin is arranged on the single side of the feeding groove, the function of precisely suturing tissue needing to be reserved is achieved, meanwhile, the tissue to be cut off can be efficiently cut off, and resource waste cannot be caused; by reducing the width of the second part, the end effector is particularly suitable for treating the situation that the excision range of the tissue to be excided is narrow, and the flexibility and adaptability of surgical operation are remarkably improved.

The present invention relates to a suture device (100) including a first jaw (112) and a second jaw (114) connected by a. pivot (116), and an arm (102) connected to the second jaw (114) and the pivot (102) . The device (100) further includes a moving mechanism (108) that can move between an open position (151) and a closed position (152). The moving mechanism (108) includes a button (124) that compresses the arm (102), a support block (126) that supports the button (124) and moves within a support ledge (128) to allow the moving mechanism (108) to open (151) and dose (152), and a locking ledge (130) that maintains the position of a. hook (132) on the button (124) to lock the suture device (100) in the closed position (152). This suture device (100) provides improved control and ease of use during surgical procedures.

An apparatus includes a first stapling assembly, a plurality of staples a plurality of staple drivers, and a second stapling assembly portion. The first stapling assembly portion has a deck surface defining a plurality of apertures. The staple drivers can drive the plurality of staples through the staple apertures of the deck surface. The second stapling assembly can couple with the first stapling assembly portion. The second stapling assembly portion has a section that overlies the deck surface. At least one of the first or second stapling assembly portions include a first support feature that inhibits deflection of the deck surface during stapling.

The fiber ring stitching instrument comprises a handheld part, a rod body coaxially connected with the handheld part and a U-shaped hook body connected to the far end of the rod body, the back side wall and the abdomen side wall of the handheld part, the back side wall and the abdomen side wall of the rod body and the back side wall and the abdomen side wall of the U-shaped hook body are provided with a continuously-penetrating U-shaped groove and a circular channel respectively, and the U-shaped groove forms a U-shaped opening in the end of the U-shaped hook body. A penetrating hole is formed in the end of the U-shaped hook body, a flexible ejector rod is arranged in the circular channel, when the flexible ejector rod is pressed, the far end of the flexible ejector rod can push out a line knot or an anchor rod embedded in the end of the U-shaped hook body, the line is wound in the U-shaped groove, one end of the line is knotted or connected with the anchor rod and embedded in the tip end of the U-shaped hook body, and the other end of the line is located at the top end of the handheld part. After being tensioned, the nut is fixed by a nut at the top end of the handheld part; the device is used for a suture mode of threading from the inside to the outside of the fiberoptic ring crevasse under a spine endoscope, is simple to operate, and can obviously reduce the probability of false healing of the fiberoptic ring.

A device includes a housing, a locking arm, and a spring, and is configured for use with a linear surgical stapler having a first stapler half and a second stapler half, the first stapler half having a frame and a clamping lever, and the second stapler half having a latching protrusion. The locking arm is rotatable between a locked position and a bypass position and is biased toward the locked position by the spring. In the locked position, the locking arm prevents the proximal end of the clamping lever, which is in a closed state, from engaging with the proximal end of the frame. In the bypass position, the locking arm allows the proximal end of the clamping lever, which is in a closed state, to engage with the proximal end of the frame. The locking arm changes from the locked position to the bypass position only when the latching protrusion is properly engaged by the clamping lever, which is in a closed state.

This invention relates to a suture cutter for cutting sutures, comprising a handle, a tube, a connecting member, a suture adjusting mechanism, and a cutter. The proximal end of the tube is connected to the handle; the connecting member is connected to the distal end of the tube, and the connecting member can be slidably threaded through the suture and can slide on the suture under a pushing force; the suture adjusting mechanism is movably mounted on the handle and can be detachably connected to the suture. When connected to the suture, the suture adjusting mechanism can move relative to the handle under an external force to tension the suture. After tensioning, and after the external force is removed, the suture adjusting mechanism is limited on the handle and remains stationary relative to the handle, thereby locking the relative position of the handle and the suture; the cutter is slidably mounted on the connecting member and can slide on the connecting member under a driving force, thereby cutting the suture threaded through the connecting member. The suture cutter of this invention helps to reduce the length of sutures retained in the patient's body.

The application discloses a stapler assembly, the safety mechanism of which comprises a first position and a second position; in the first position, the safety mechanism is combined with a first operating member to lock the first operating member, thereby preventing the first operating member from driving a stapling needle to move; the safety mechanism is separated from a third operating member to unlock a clamping mechanism, and in response to the third operating member being operated, a clamping member moves from a connecting position connected with a sleeve assembly to a separating position separated from the sleeve assembly to separate the stapler from the sleeve assembly; in the second position, the safety mechanism is combined with the third operating member to lock the clamping mechanism to keep the clamping member connected with the sleeve assembly; the safety mechanism is separated from the first operating member to unlock the first operating member, and in response to the movement of the first operating member, the stapling needle performs a needle ejection movement. The stapler assembly of the application can ensure that the clamping mechanism is not mistakenly operated when the stapling needle is driven to move, so that the stapler is not separated from the sleeve assembly, and the normal operation of the surgery is effectively ensured.

A suture cutter that can easily load and hold a tensioned or untensioned suture in place for cutting. The cutter has a handle with an integral stem, and a shaft coupled to and extending from the handle. A tip has a cutting channel with a cradle for catching a suture before cutting. A piston in the handle drives a blade pusher to cut the suture in response to movement of the stem. A guide assembly in the body is formed by a pair of members that fold together via a living hinge to provide a slot for the head of the piston. The pusher is planar and horizontally oriented within the shaft, while the blade is planar and vertically oriented at a right angle to the pusher. The blade has a tab that is captured by a notch in the pusher to interlock the blade and the pusher.

The invention provides a fibrous ring stitching instrument, and belongs to the technical field of medical instruments. The clamp-shaped suture front end comprises a pair of arc-shaped forceps claws which are rotationally connected through a hinge part, a sharp part is arranged at the front end of each arc-shaped forceps claw, the two sharp parts are provided with matched diagonal planes, and a lead hole communicated with the diagonal planes and the rear ends of the arc-shaped forceps claws is formed in each arc-shaped forceps claw. The pair of arc-shaped clamp claws has an unfolded state and a closed state, and in the closed state, the two sharp parts are aligned and abut against each other through the diagonal planes, and the lead holes are in butt joint, so that the pair of arc-shaped clamp claws jointly define a complete annular structure; in the unfolded state, the two sharp portions are separated from each other. The technical problems that the threading success rate is low and the operation efficiency is affected due to the defects of an existing fibrous ring suturing means can be solved.

The utility model discloses a novel stitching instrument line pressing connector connecting structure which comprises a line pressing connector body, the line pressing connector body is composed of an equal-diameter part and a conical closing-up part installed at one end of the equal-diameter part, an observation through hole is formed in one side of the equal-diameter part, and an observation hole is formed in the other side of the equal-diameter part. A suture line is connected to the end, located at the conical closing-up part, in the line pressing connector body through a clamping connector. The suture pressing connector has the advantages that the observation through hole structure is arranged on the suture pressing connector body, so that the position, penetrating into the suture pressing connector body, of a suture line after hot melting can be observed, and the depth of the size of the connecting part of the suture line and the suture pressing connector body is accurately positioned; and compared with the prior art that barbs are machined in the line pressing connector body, machining of the observation through holes is more convenient, the uncertainty after the line pressing connector body and the suture line are connected is effectively reduced, the operation efficiency is improved, and the operation safety is improved.

Tensionable, knotless, self-locking surgical constructs and methods for surgical repairs are disclosed. A soft suture anchor and a flexible strand (flexible coupler) are provided integrally, as a one-piece machine taper construct. The repair system can include one or more shuttle / pull devices. The suture comes out of the cannulated sheath and braids to a smaller diameter round suture which is then passed back through the sheath. The braided suture may be furcated or branched to provide a plurality of passing sutures.

The utility model discloses a surface stitching instrument for plastic and aesthetic surgery, which relates to the technical field of medical instruments, and comprises a first stitching plate and a second stitching plate, the outer side of the first stitching plate and the outer side of the second stitching plate are respectively provided with a side plate and an adhesive patch; according to the surface stitching instrument for the plastic and aesthetic surgery, when a first stitching plate and a second stitching plate need to be tensioned, the output ends of two sets of driving motors are controlled to drive a driving gear to be engaged along the outer side of a driven gear, so that the driven gear drives a winding wheel to rotate, and then a pull rope is wound; when the skins on the two sides abut against each other, a pressure sensor and an extrusion plate are driven to descend through the output end of an electric push rod, a pull rope is extruded through the extrusion plate, the structure is simple, operation is convenient and fast, the distance between the first suture plate and the second suture plate does not need to be manually adjusted, and operation is convenient. Automatic synchronous adjustment is achieved, and practicability is improved.

A method is used to cut a suture. The method provides a drive wire coupled with a cutter. The cutter has a first blade defining a first plane, and a second blade defining a second plane that is non-parallel with the first plane. The first blade and the second blade define an opening. The method hooks a suture into the opening. The method cuts the suture by pulling the drive wire in a proximal direction.

The invention discloses an endoscope purse-string stitching instrument which comprises a cannula component, a lower clamp portion is fixed to the far end of the cannula component, an upper clamp portion is hinged to the far end of the cannula component, the upper clamp portion and the lower clamp portion are divided into a left part and a right part, one part is of an anastomosis component, and the other part is of a purse-string stitching component. Slideways extending from near ends to far ends are arranged on the upper sides and the lower sides of the upper clamp part and the lower clamp part, a pressing block is arranged between the far end of the sleeve part and the near end of the lower clamp part and can move along the slideways, and first near-end sections and second far-end sections of the upper clamp part and the lower clamp part are connected through slopes; when the pressing block moves on the sliding way, the opening angle and pressing fit of the upper forceps part can be controlled, a driving rod is arranged in the sleeve part, two purse-string needles extending in the far-near direction are arranged on one side of the driving rod, and when the cutting purse-string suture assembly is closed, the two purse-string suture needles penetrate through the positions between the forceps teeth respectively. The device is simple in structure, convenient to operate and easy to control cutting and sewing.

The utility model discloses a tension-reducing stitching instrument for skin, the tension-reducing stitching instrument is arranged in pairs, each tension-reducing stitching instrument comprises a base plate, a base, a locking bar, a first elastic sheet and a second elastic sheet, and the base plate is attached to one side of a wound. The base is fixed on the base plate, the base comprises a vertical plate and a horizontal plate, a through hole is formed in the vertical plate, and the horizontal plate is parallel to the base plate and located above the vertical plate. The locking bar is fixed to the first face of the vertical plate and extends in the horizontal direction, and a plurality of ratchets are arranged on the locking bar in the length direction of the locking bar. One end of the first elastic piece is fixed to the second face, opposite to the first face, of the base, the other end of the first elastic piece is located on the side, away from the cable strip, of the vertical plate and suspended, the first elastic piece is located below the horizontal plate, and at least one pawl clamped with the ratchets is arranged on the lower surface of the first elastic piece. One end of the second elastic piece is fixed on the upper surface of the first elastic piece, and the other end is suspended and abuts against the horizontal plate. The stitching instrument adopts a double-elastic-sheet structure, so that the connection stability is improved.

Provided herein are closure devices and systems as well as methods of using the same for facilitating the closing of openings in blood vessels following interventional medical procedures. Further provided herein are systems for treating a blood vessel, which include a closure device and one or more of: an access sheath, a reverse flow device and a suture cutter unit.

The invention belongs to the technical field of medical instruments, particularly relates to a modular assembly, a drainage tube fixing modular suturing instrument and a use method, and aims to solve the problems that an existing suturing instrument is difficult to adapt to different wounds, a suturing needle is easy to deviate, a drainage tube is inconvenient to install, illumination is lacked and the like. The mounting seat is in sliding fit with the main body through the sliding chute and the sliding rail, and the handle and the limiting block clamp and fix the mounting seat and can be replaced as required; the T-shaped plate drives the pressing block through the push plate and the connecting rod to press the suture needle, the supporting plate II is limited, and the pressing rod is released from limiting; the driving structure is convenient to operate, and the conveying structure automatically pushes the suture needle; the suture needle is U-shaped and is provided with a hollow ring at the top to facilitate installation of the drainage tube; illuminating lamps are arranged at the bottoms of the limiting blocks for illumination.

The utility model discloses an abdominal wall suturing device relates to medical technical field, the utility model discloses a support frame, the support frame outer wall is provided with fixed establishment, the support frame inside bottom is provided with suturing mechanism, the utility model discloses a rubber pole is set up, when needing to suture the incision, when this can first pinch the incision both sides, then the fixed establishment center point is placed in the top of incision, simultaneously the rubber pole is pressed against the skin of incision both sides, then rotates the worm, the worm will drive the worm wheel to rotate now, then the worm wheel will drive the bidirectional screw rod to rotate, simultaneously the bidirectional screw rod will drive the clamping arm of both sides to be close to the incision both sides, and the clamping arm of the other side will also slide in the limiting rod no.

The clamping arm assembly comprises an upper jaw and a lower jaw, a window is formed in the upper jaw, a cover plate is movably arranged in the window, a thread clamping seam is formed between the cover plate and the wall face of the window, and an elastic piece is connected between the cover plate and the upper jaw; the upper jaw comprises a limiting part, and the limiting part is located above the thread clamping seam; under the elastic action of the elastic piece, the top surface of the cover plate abuts against the bottom surface of the limiting part for limiting; the stitching instrument comprises a base assembly, a barrel and the clamping arm assembly. After line puncture is completed, a suture is clamped in the suture clamping seam, the suture can be directly taken out of a human body by moving the clamping arm assembly, additional tool operation is not needed, when the suture is pulled to take out the suture, the acting force of the suture on the cover plate is opposite to the pressing direction of the cover plate, and the cover plate cannot be tighter and tighter by pulling the suture; the suture can be taken out as long as the acting force for pulling the suture is larger than the acting force for pressing the cover plate, the suture can be taken out easily, and the risk of pulling the suture apart does not exist during suture taking.

The utility model discloses a kind of suture devices facilitating to adjust suture force, belong to suture device technical field, the suture device facilitating to adjust suture force, including easy tear film, easy tear film top end one side is fixedly installed with first hydrocolloid composite film, easy tear film top end other side is fixedly installed with second hydrocolloid composite film, the one side of first hydrocolloid composite film and second hydrocolloid composite film is fixedly installed with tear and pull section, the top of first hydrocolloid composite film and second hydrocolloid composite film is provided with suture mechanism, the inside of suture mechanism is provided with adjusting mechanism. The utility model is equipped with suture mechanism and adjusting mechanism, so that medical staff in operation process, can directly adjust from the side of skin incision, without like traditional method respectively from the adjustment of two sides of wound, greatly reduce operation time and difficulty, especially in emergency medical situation or the scene needing to handle wound quickly, can significantly improve suture efficiency.

A suture device. The suture device includes a spiral gripper and a spiral gripping drive mechanism; the spiral gripper includes: a gripping tip, a first spiral portion connected to the gripping tip, and a drive flexible shaft connected to the first spiral portion; the spiral gripping drive mechanism includes a spiral drive assembly; the spiral drive assembly includes a first drive motor and a spiral transmission assembly, the spiral transmission assembly being connected to the drive flexible shaft, and the first drive motor being configured to drive the drive flexible shaft to rotate about its axis via the spiral transmission assembly, thereby driving the first spiral portion and the gripping tip to rotate. This suture device eliminates the need for medical personnel to manually rotate the spiral gripper, thus significantly reducing the workload of medical personnel and improving surgical efficiency.

A suturing device, comprising an operating component and an angle observation assembly. The angle observation assembly is arranged on the operating component. The angle observation assembly comprises a base body having a concave cavity and a dial mounted in the base body. A concave surface is formed in the concave cavity of the base body. Scale marks are arranged on the concave surface or the dial. A rotating hole is formed in the center of the dial. The angle observation assembly further comprises a first pointer, a second pointer, and a rotating shaft connecting the first pointer and the second pointer. The rotating shaft is arranged in the rotating hole and can rotate around the rotating hole. The arrangement of the angle observation assembly provides a reference when the angle of the suturing device is adjusted, so that the suturing device can be accurately adjusted to a required angle. The present invention solves the technical problem that the angle of the suturing device is difficult to determine.

This application discloses a suture assembly / disassembly device, belonging to the field of suture technology. The suture assembly / disassembly device includes a base and a cover plate, with the cover plate detachably fitted onto the base. The base is provided with an assembly structure and a first disassembly structure, which are respectively located at different positions along the circumference of the base. The cover plate is provided with a second disassembly structure that cooperates with the first disassembly structure. On the one hand, by integrating the assembly structure and the cooperating first and second disassembly structures, the installation and disassembly of the suture actuator can be realized, improving the convenience of assembly and disassembly. On the other hand, the assembly structure and the first disassembly structure are staggered along the circumference of the base, reducing mutual interference between assembly or disassembly operations and making the overall operation process smoother.

The utility model discloses a knot-pushing thread trimmer, which relates to the technical field of medical instruments and comprises a thread trimming component, a knot-pushing component, a handle and a tail cap, the knot-pushing component is mounted inside the handle, the tail cap is mounted at the tail of the handle, and the thread trimming component comprises a shearing inner core rod and a shearing outer sleeve; one end of the shearing outer sleeve is connected with the knot pushing assembly; one end of the shearing inner core rod penetrates through the knot pushing assembly, extends into the handle and is connected with one end of the tail cap; a lead opening groove is formed in one end, far away from the tail cap, of the shearing inner core rod, a convex part is further arranged on one side of the lead opening groove, and a sewing thread penetrates through the lead opening groove and extends to be tightly attached to the convex part; a shearing blade is arranged at the end part of the shearing outer sleeve far away from the handle; the knot pushing assembly is pushed to drive the shearing outer sleeve to approach the convex part and shear the suture. Through the arrangement of the lead opening groove and the convex part, a suture line can be quickly led in, the time of lead operation is shortened, and the efficiency in the operation process is improved.

The application discloses a cavity purse string suture device, which comprises a sleeve part, a lower clamp part fixed at the distal end of the sleeve part, an upper clamp part hinged to the distal end of the sleeve part, the upper clamp part and the lower clamp part are divided into left and right two parts, one part is an anastomosis component, and the other part is a purse string suture component, the upper clamp part and the lower clamp part are provided with sliding ways extending from the proximal end to the distal end on the upper and lower sides, a pressing block is arranged between the distal end of the sleeve part and the proximal end of the lower clamp part, the pressing block can move along the sliding way, the proximal end first section and the distal end second section of the upper clamp part and the lower clamp part are connected through a slope, the opening angle and the pressing of the upper clamp part can be controlled when the pressing block moves on the sliding way, a driving rod is arranged in the sleeve part, two purse string needles extending along the direction of the proximal end and the distal end are arranged on one side of the driving rod, and the two purse string needles pass through the clamp teeth when the cutting purse string suture assembly is closed. The application has the advantages of simple structure, convenient operation, easy cutting and suture control.