68 results about "Suturing guide" patented technology

A valve repair system, preferably including an annuloplasty prosthesis and a holder for the prosthesis. The holder includes a first component having a central opening, a circumferential surface and an outwardly extending member. The annuloplasty prosthesis is located adjacent to the circumferential surface, above the outwardly extending member. The holder further includes a second component movable upwardly relative to the first holder component and includes a rigid penetrating member extending downward from the second component into the prosthesis, holding it adjacent the circumferential surface. The holder also includes a suturing guide for assisting a physician in valve repair surgery, which may be a cuttable suture extending across the central opening along a path approximating a desired line of leaflet coaption. The cuttable suture may additionally secure the first and second components to one another. The suturing guide may also be incorporated into one-piece annuloplasty prosthesis holders or into stand-alone tools that do not carry annuloplasty prostheses.

A needle delivery device is described and includes generally, a needle made of a shape memory alloy pre-formed in an unconstrained configuration, such as, for example, an arc or a curved needle. The needle delivery device also includes a needle delivery guide, a suturing guide and a positioning member. The needle has an eye at its leading tip for holding suture material. The needle delivery guide has a needle channel for passage of the needle therethrough. The needle channel is configured to hold the needle in a constrained configuration, for example, in substantial alignment with the longitudinal axis of the needle channel. The suturing guide is pivotally connected to the delivery guide. The positioning member moves the suturing guide between an extended position and a collapsed position, wherein, in the extended position, the suturing guide is configured to stabilize the tissue and guide the needle in its unconstrained configuration and to enable access by, for example, a grasper or other tool, to the suture material.

Methods and apparatuses are disclosed relating to surgical implants having one or more strands extending from the implant to assist with the installation of the implants into patients. In one example, the strand may be used during installation to provide a constant reference to the trailing edge of the implant in situ. In another example, the strand may be used during installation to provide guidance to the implant for instrumentation. In another example, the strand may be used during installation to provide the ability to pull back on the implant. In another example, the strand allows for novel designs of installation and removal instruments.

A surgical stapling device for deploying staples connected with suture to tissue includes a handle having a staple actuator mechanism, a tubular support shaft having a longitudinal axis and extending from the handle, and a staple cartridge mounted on the support shaft and connected to the staple actuator mechanism for applying one or more staples to the tissue. The cartridge has a cartridge housing adapted to receive a plurality of staples in a row for longitudinal movement therethrough and an anvil mounted on the housing. The cartridge further includes a mechanism for advancing the forwardmost staple in the row into engagement with the anvil, and a suture guide supporting a length of suture that extends in a loop for attachment to the staples as they are secured to the tissue.

Suture delivered patches adapted for interposition, augmentation or repair devices for use in tendon and ligament repair, including rotator cuff repair, have been developed as well as methods for their delivery using suture guided arthroscopic methods. The repair patches may be provided from suitable biocompatible materials. The patches may be delivered using anchored sutures already in use during a surgical repair including, open, minimally invasive, endoscopic, and arthroscopic repair procedures. Additionally, fixation of the suture delivered repair patch is secured along with the normal suture securing workflow of the one or more sutures used to deliver the patch.

An assembly for holding a substantially flexible suture guide of predetermined length in a substantially taut position used to achieve a suture line having a dimension equal to the length of the suture guide, such as the circumference about a heart valve annulus. The assembly includes a rigid suture guide holder having a surface against which the length of suture guide is releasably positioned. The guide holder can have a shape or geometry, such as a circumference or circumferential segment, equivalent to the shape or geometry of the intended suture line. The shape of the guide holder can therefore be selected to hold the suture guide in the shape most advantageous to placing the desired suture line. The assembly further includes a mechanism for releasably binding the suture guide to the surface of the holder and a detachable handle extendibly attached to the holder by means of a lanyard so that the handle can be detached to afford an unobstructed view of the surgical site, but cannot be removed from the surgical site until the holder has also been removed.

An annuloplasty ring holder including a head having an upper surface and an annuloplasty ring receiving surface facing opposite the upper surface. The annuloplasty ring holder also includes means for attaching an annuloplasty ring to the annuloplasty ring receiving surface. The means for attaching an annuloplasty ring to the annuloplasty ring receiving surface may include one or more suture guides operatively associated with the head and configured to position one or more sutures to removably associate an annuloplasty ring with the annuloplasty ring receiving surface. The head may include a central hub and more than one spoke radiating out from the central hub. If the head is thus configured, each spoke will include a portion of the annuloplasty ring receiving surface.

A valve repair system, preferably including an annuloplasty prosthesis and a holder for the prosthesis. The holder includes a first component having a central opening, a circumferential surface and an outwardly extending member. The annuloplasty prosthesis is located adjacent to the circumferential surface, above the outwardly extending member. The holder further includes a second component movable upwardly relative to the first holder component and includes a rigid penetrating member extending downward from the second component into the prosthesis, holding it adjacent the circumferential surface. The holder also includes a suturing guide for assisting a physician in valve repair surgery, which may be a cuttable suture extending across the central opening along a path approximating a desired line of leaflet coaption. The cuttable suture may additionally secure the first and second components to one another. The suturing guide may also be incorporated into one-piece annuloplasty prosthesis holders or into stand-alone tools that do not carry annuloplasty prostheses.

A surgical tool incorporates a suture guide and anchor driver supporting an anchor where the anchor is maintained at a distance from the suture guide until release of a detent mechanism. Thereafter, the anchors allowed to move into proximity to the suture guide, fixing a suture supported by the suture guide to a substrate, the entire procedure being achievable with a single hand.

A suture cutting device is provided, the device suitable for cutting high strength suture materials used in arthroscopic surgeries. The device includes a distal blade portion movable within a distal suture guide, the distal suture guide including a lateral suture guide slot. The distal blade portion includes a dorsal recess that, in combination with an upper wall of an enclosed blade guide slot, controls an amount of dorsal movement of a cutting edge during a longitudinal movement of the cutting edge. The combined dorsal movement and longitudinal movement of the cutting edge creating a sliding / slicing movement of the cutting edge against a suture in the suture guide slot. At least a proximal blade portion and an extension blade portion are made of a single blade, those portions defining a spring, contacting a trigger, and effectuating a movement from a first position to a second position.

The invention provides a safe fascia stapler and a method of use, which solve the technical problems of the prior art such as large hidden danger of safety and the like. The fascia stapler comprises ahousing; the housing is provided with a folding transformation structure; the folding transformation structure is connected with the folding control structure; the housing is provided with a guide channel for the suture guide needle to penetrate; an axial direction of the guide channel is offset from the axial direction of the housing; a soft cushion for insertion of a suture guide needle is arranged on the folding transformation structure. The soft cushion is arranged corresponding to the guide channel when the folding transformation structure is in the unfolded state; the folding transformation structure comprises a plurality of spanner wings hinged on the lower end of the housing, the soft cushion is arranged on the spanner wings, and one end of each spanner wings away from the lower end of the housing is hinged with a limiting protector. Suture-guided needle penetrating abdominal wall tissue into the abdominal cavity, and then through the soft cushion, and finally the needle tip against the limiting protector, so that the needle tip will not be inserted into the patient's organs or tissues, increasing the safety of fascia tissue suture surgery, which can better protect patients.

The invention discloses a vascular interventional surgical robot, and belongs to the field of medical equipment. The robot is used to replace human hands for vascular interventional surgery, and comprises five modules: a pushing device, a twisting device, a guide suture guide device, a suture pressing device and a bedside positioning device. The pushing device drives the twisting device to clamp aguide suture catheter to move linearly. The twisting device drives a two-finger chuck coaxial with a big gear to clamp the guide suture catheter to rotate, and the two-finger chuck clamps the guide suture catheter by opening and closing. The guide suture guide device drives a cam to adjust distance of guide wheels to adapt to the diameter of the guide suture catheter. The suture pressing device is controlled by an electromagnet, two moving fingers are closed when being electrified to clamp and fix the position of a guide suture. When power is cut off, the moving fingers are separated, and theguide suture can move freely. The bedside positioning device comprises an X-axis moving device and a Y-axis moving device, and the X-axis moving device drives the Y-axis moving device to move linearly through a ball screw. The Y-axis moving device drives the vascular interventional surgical robot to move and position through the ball screw.

A suturing device for use with a tubular vessel, tissue or organ including a hollow housing, an activation mechanism and a flexible suture guide. The suturing device includes a suture which may be pre-knotted or include a crimp, anchor or other retaining means. The flexible suture guide of the suturing device is placed around the outer diameter of the tubular vessel, tissue or organ and the activation mechanism causes the suture to be placed around the outer diameter of the tubular vessel, tissue or organ and knotted. The suturing device may include a severing means which severs the suture at the knot.

An implantable annuloplasty suture guide is intended to lie against at least a portion of an annulus surrounding a human heart. The implantable annuloplasty suture guide is made of an elongated ribbon of braided, heat setable material. The braided, heat-setable material is heat-set in a curved lengthwise configuration corresponding to at least a portion of the annulus of the human heart valve. A method of making an implantable annuloplasty suture guide configured to lie against at least a portion of an annulus defined by tissue surrounding a human heart. The method includes the steps of providing an elongate biocompatible ribbon comprising a braided, heat setable material. A fixture is provided, with the fixture comprising a heat conducting material defining an elongate cavity having a curved length-wise configuration corresponding to at least a portion of the annulus defined by the tissue surrounding the human heart. The elongate biocompatible ribbon is placed in the cavity and the fixture is heated to provide a select temperature for a select time in the cavity, the select temperature and the select time being sufficient to heat-set the elongate biocompatible ribbon in the curved length-wise configuration.

A system for piercing through biological tissue and providing access to internal structures; particularly, intra-abdominal structures, and closing an opening in the tissue. The system includes a suture guide sub-system having a tissue positioning sub-system for engaging segments of tissue disposed proximate the tissue opening and a suture passer sub-system that slideably engages the suture guide sub-system. The suture passer sub-system includes suture deployment and capture means that is configured to removably secure a suture thereto and deliver the suture to the segments of tissue disposed proximate the tissue opening.

A mechanical heart valve implantable as heart valve replacement comprising of an annular valve body with a central orifice and an exterior surface incorporating a suture ring having a plurality of suture tunnels, and a valve implantation flap assembly disposed on the valve body surface and wrapping around the suture ring. The inside lumen carries the occluder mechanism. The valve holder comprises of at least two parts, both parts having suture guiding grooves on the outer surface corresponding to and matching with the tunnels on the suture ring, such as to form a continuous path for the sewing material. The parts of the valve holder can be detached separately from the valve after taking all the sutures, the part on the ventricular side before lowering the valve into the heart and the other part after lowering and positioning the heart valve in the; desired position inside the heart.

An anastomosis normally closed clip comprising a first side including at least one first suture guide, the first suture guide being disposed on a top of the clip, the first end portion and the first suture guide defining a first suture space open toward the top of the clip, the first side further including a first carrier slot on the bottom of the clip; and a second side which is the mirror image of the first side. An introducer device is used to open the clip and introduce it into a patient over two organ segments to be sutured together and allow the clip to close. The suture spaces allow for continuous suturing of the organ segments. The introducer device is used to remove the clip from the patient after the suture procedure.

The invention relates to a minimally invasive suture guiding device for treatment of oblique hernia in children and a using method. The device comprises a linear guide rod having a cavity, a first arc-shaped guide rod, a second arc-shaped guide rod and a third arc-shaped guide rod; one end of the linear guide rod is communicated with the first arc-shaped guide rod, and the other end of the linearguide rod is provided with a valve; the second arc-shaped guide rod is slidingly mounted in the first arc-shaped guide rod, the third arc-shaped guide rod is slidingly mounted in the second arc-shapedguide rod, and the radians of the three arc-shaped guide rods are all 120 degrees; after the second arc-shaped guide rod extends out along the first arc-shaped guide rod and the third arc-shaped guide rod extends out along the second arc-shaped guide rod, the three arc-shaped guide rods form a complete circular structure; interlocking devices are mounted on the three arc-shaped guide rods respectively. According to the suture guiding device, secondary needle insertion is avoided, secondary suture hooking is not needed, operation processes are simplified, the operation time is saved, surgicaltrauma is reduced, and surgical complications are reduced.

A surgical stapling device for deploying staples connected with suture to tissue includes a handle having a staple actuator mechanism, a tubular support shaft having a longitudinal axis and extending from the handle, and a staple cartridge mounted on the support shaft and connected to the staple actuator mechanism for applying one or more staples to the tissue. The cartridge has a cartridge housing adapted to receive a plurality of staples in a row for longitudinal movement therethrough and an anvil mounted on the housing. The cartridge further includes a mechanism for advancing the forwardmost staple in the row into engagement with the anvil, and a suture guide supporting a length of suture that extends in a loop for attachment to the staples as they are secured to the tissue.

A system for piercing through biological tissue and providing access to internal structures; particularly, intra-abdominal structures, and closing an opening in the tissue. The system includes a suture guide sub-system having a tissue positioning sub-system for engaging segments of tissue disposed proximate the tissue opening and a suture passer sub-system that slideably engages the suture guide sub-system. The suture passer sub-system includes suture deployment and capture means that is configured to removably secure a suture thereto and deliver the suture to the segments of tissue disposed proximate the tissue opening.

The invention discloses a surgical suture fixing device for operating room nursing. The surgical suture fixing device comprises a suture box and a cover body installed at an opening in the top of thesuture box. A winding reel is rotatably installed in the suture box; a rotating rod is fixedly connected into the winding reel in a sleeved mode; the right end of the rotating rod rotatably penetratesthrough the external part of the suture box and is fixedly connected with a rotating disc in a sleeved mode; and the left end of the rotating rod is rotationally mounted on the left inner wall of thesuture box. According to the surgical suture fixing device, a surgical suture can be positioned and fixed in time when not used, so that the phenomenon that the surgical suture is messy is prevented;meanwhile, a suture guide wheel further has the compression buffering effect, so that the surgical suture is prevented from being broken due to the too high suture outlet speed when rotationally conveyed from the two sides of the winding reel, and the functions of rotation prevention and non-return are further achieved when the surgical suture is discharged for use; and meanwhile, the problem that the surgical suture is difficult to stably fix when not used due to the fact that the winding reel rotates can be prevented, so that the messy phenomenon of the surgical suture is further avoided, and the use demands of people are greatly met.

A machine for winding suture into a suture tray package includes a base platform with package nests, each nest including upwardly-extending locating pins. A workstation places an empty tray onto one nest. Another workstation feeds a needle with attached suture in the tray and parks the needle in the tray. A winding station for winding the suture into a tray winding channel includes a rotatable winding head with configurable suture guiding pins, a stripper plate pushing the wound suture off the guiding pins, a suture control arm with proximal and distal ends and top and bottom sides, the distal end having a front standoff and a rear standoff incorporating a suture guiding channel, and a base member mounting the arm to base platform. A lid placement station places a lid onto a nest, a lid attachment station attaches lid to tray and an offloading station removes trays from nests.