411 results about "Suture line" patented technology

The invention discloses a suture anchor storage module and a separated modular suture anchor implantation system, and relates to the technical field of medical instruments. The storage module for the anchor with the suture line comprises the anchor, the suture line, a bearing seat and a winding and tensioning assembly, wherein the suture line penetrates through the anchor. An insertion cavity and a clamping hole are formed in the bearing seat, and the insertion cavity penetrates through the two opposite ends of the bearing seat and is used for allowing the inserter to penetrate through; the clamping hole is communicated with the insertion cavity and is used for clamping an anchor nail; a mounting shaft is arranged on the side part of the bearing seat. The winding and tensioning assembly is rotationally connected with the mounting shaft, the suture line is wound on the winding and tensioning assembly, and the winding and tensioning assembly rotates to release the suture line. According to the separated modular suture anchor implanting system applying the suture anchor storage module, the anchor and the suture line are independently stored, and material preparation before an operation is facilitated; therefore, ordered release of the suture line is guaranteed, winding risks are avoided, and operation steps of an operation are simplified.

The utility model discloses a measurable surgical suture needle storage box which comprises a box body with an opening at one end, the box body is provided with a needle seat extending along the width direction of the box body and used for arranging and fixing a plurality of surgical needles along the width direction of the box body, and a suture fixing area positioned on one side of the needle seat, length scale marks which extend in the length direction of the box body and can display scales and a plurality of suture line fixing pieces which can correspond to the scales on the length scale marks are arranged on the suture line fixing area, the suture line fixing pieces are arranged in a plurality of rows, and fixing parts are arranged on the suture line fixing pieces; during use, one end of a surgical needle is fixed on the needle seat, and the tail end of a suture line is clamped on the fixing part. When the surgical needles of various models and specifications are fixed on the needle seat, suture lines on the surgical needles can be fixed on the corresponding suture line fixing pieces one by one according to different lengths, the surgical needles and the suture lines are arranged in order, appropriate needles and sutures can be conveniently taken according to length scale marks, convenience is provided for an operation, and the operation is facilitated.

The utility model relates to a synchronous cutting and rotating device of a barb suture line multi-strip multi-angle device. The synchronous cutting and rotating device structurally comprises a multi-shaft line pressing and rotating device and a multi-shaft clamping and rotating device. The multi-shaft line pressing rotating device comprises a first mounting frame and a plurality of rotating shafts arranged side by side, the rotating shafts are rotatably connected with the first mounting frame, the plurality of rotating shafts are driven by a first driving element to synchronously rotate, and center holes used for connecting suture lines in a penetrating mode are formed in the axes of the rotating shafts; a roller group for clamping a suture line is arranged at the end part of the rotating shaft; the multi-shaft clamping and rotating device comprises a second mounting frame and a plurality of thread pulling clamping jaws arranged side by side, the thread pulling clamping jaws are used for clamping suture lines, the thread pulling clamping jaws are rotatably connected with the second mounting frame, and a second driving element drives the thread pulling clamping jaws to rotate synchronously. According to the utility model, a plurality of sutures can be driven to rotate and move synchronously, the size is small, and miniaturization of processing equipment for the sutures is facilitated.

The invention relates to a degradable surgical suture capable of self-constricting under the driving of near-infrared light and accelerating wound healing as well as a preparation method and application of the degradable surgical suture, and the degradable surgical suture capable of self-constricting under the driving of the near-infrared light is developed by virtue of a photo-thermal conversion effect of polydopamine on the basis of a thermal response characteristic of a shape memory material. And on the basis, a thermal control drug release system is endowed to the suture line to synergistically accelerate the wound healing process, and various suture problems confronted by the internal wound of the body are solved.

The invention relates to the field of biomedical textile materials, and discloses a partially absorbable sports medicine orthopedic suture line and a preparation method thereof.The suture line is prepared from, by mass, 50%-90% of polylactic acid and 10%-20% of polyglycolic acid. The mass content of polyglycolic acid is 10%-50%, the composite material further comprises a bioactive component, the mass content of the bioactive component is 0.1%-10%, the bioactive component comprises bone morphogenetic protein, silver nanoparticles and hydroxyapatite, the tensile strength of the suture line is 30-120 MPa, and under different physiological conditions, the suture line is not prone to fracture, and the suture line is not prone to fracture. And the degradation product can be compatible with surrounding tissues. The shape of the suture line can be automatically adjusted at the physiological temperature by embedding the shape memory alloy, and the suture line can adapt to dynamic changes of the tissue and provide uniform tension and support when interacting with the biological tissue due to the intelligent response capability, so that the tissue healing is effectively promoted.

A pair of needle holding forceps for surgical suture comprises a left forceps body and a right forceps body which are provided with forceps beaks and forceps handles, the left forceps body and the right forceps body are hinged to form the needle holding forceps capable of being opened or closed, the opposite faces of the forceps beaks of the left forceps body and the right forceps body are respectively provided with an open through groove, groove openings of the two open through grooves are opposite, and the distance between the open through grooves and the front ends of the forceps beaks is 6-8 mm. The distance is the clamping surface of the forceps beak, blades used for cutting a suture line are installed in the open through grooves respectively, the cutting edge parts of the blades are opposite and extend in the longitudinal direction of the forceps beak, and the cutting edge part of at least one blade protrudes out of the clamping surface of the forceps beak, so that the two blades form scissors used for cutting off the suture line, and the needle forceps integrating sewing and cutting are formed.

Orthopedic implants and related surgical methods for using same. The implants have suture bore geometries that facilitate performance of the surgical methods, thereby providing for improved optimal biomechanical force application in various anatomies. The implants include suture bores that have an angled / diagonal, or skewed, orientation within the anatomical planes (lateral / sagittal and frontal / coronal). The suture bores have the skewed orientation so that the adjacent soft tissues (i.e., tendons or ligaments) can be advanced via the suture therethrough in superior-inferior and inferior-superior directions. Openings, or holes, at the ends of the suture bores are configured to approximate the adjacent associated soft tissue to the implant.

A minimally invasive method of correcting a bunion includes performing an osteotomy to divide the metatarsal into first and second portions, creating a pocket in the first portion implanting a nail in the pocket, securing a suture to the joint capsule, tensioning the suture to align the great toe with the metatarsal, attaching the suture to the nail, and fastening the nail to the second portion. The nail includes an anchor portion for anchoring in the first portion, a head for attachment to a second portion, a passage for attachment of the suture, a first aperture for a fastener to attach the head with the first portion, and a second aperture for a fastener to attach the head with the second portion.

The fixing device comprises an X-shaped steel plate and a straight steel plate which are located on the two sides of a bone respectively, a plurality of first penetrating holes are formed in the X-shaped steel plate, and a plurality of second penetrating holes are formed in the straight steel plate; a suture line, a loop turning line and a handle connecting line which are used for connecting the X-shaped steel plate and the straight steel plate are arranged in the first penetrating hole and the second penetrating hole in a penetrating mode, and the loop turning line is used for driving the straight steel plate to turn over relative to the X-shaped steel plate. The four corners of the X-shaped steel plate are all provided with stabs, and the stabs protrude out of the surface of the X-shaped steel plate and are used for stabbing into bone cortex. The X-shaped steel plate and the straight steel plate are arranged on the two sides of the fracture position respectively, meanwhile, the X-shaped steel plate is fixed to the fracture position through the spikes, the X-shaped steel plate and the straight steel plate are bound through the suture lines, so that fixation of the fracture position is achieved, and compared with a traditional operation, trauma is smaller, and fixation is firmer.

Methods for creating high-density arrays of suture stiches through a tendon into bone for reattachment of a torn tendon, particularly a rotator cuff tendon. The method includes providing a pre-strung plurality of anchors, each anchor having at least one passage therethrough with a continuous length of suture slidably and serially threaded through the at least one passage of each anchor. Each of the anchors further includes a locking assembly for locking the suture within the individual anchor. A first anchor is implanted through the tendon and the suture is locked. A second anchor is implanted a selected close distance from the first anchor, then applying tension to the suture extending from the first anchor and passing through the second anchor the second anchor is locked to create a single suture tensioned and locked stitch between the first and second anchor. This process is repeated for each anchor in the array.

A surgical suture of a synthetic fiber is provided. The suture includes a non-circular cross-section, and may further include maximal and minimal cross-sectional dimensions with the minimal cross-sectional dimension. The suture may further include a compressible width that supports knot formation and retention, and planar side surfaces that guide knot formation and curvatures. The suture may also include a series of microfilaments that define larger monofilaments or formations that are twisted or braided along the length of the suture.

Bone plates for engaging bone members are described herein. The bone plates can receive one or more screws to secure the bone plates to an underlying bone member. The one or more screws can be inserted into bone plate holes that can be considered locking or non-locking. The bone plates described herein can have particular combinations of locking and / or non-locking holes. Additional bone plate holes can be used to accept sutures, K-wire, or other instrumentation.

Systems and methods are provided for performing tensionable knotless surgical procedures. A locking ferrule that includes a one-way locking mechanism may be utilized for tensioning and locking one or more strands of suture during the surgical procedure. The one-way locking mechanism may be established by one or more locking barbs of the suture locking device.

Systems and methods for providing fixation of soft tissue (for example, ligament) to bone by employing a novel multi-piece device. The novel multi-piece device is a ligament fixation system consisting of a larger collar that is initially impacted into a bone aperture, and a smaller plug / bullet-shaped part that is impacted into the larger collar. During ligament repair / reconstruction, the graft is inserted into a bone tunnel with sutures from the graft extending outside the tunnel. The sutures are passed through a collar of the multi-part device and the collar is then inserted into the bone tunnel. The graft suture strands may be tensioned. Subsequently, the smaller plug / bullet-shaped part is impacted into the collar thereby maintaining the tension on the graft sutures. The plug / bullet-shaped part is tightened after the desired tension on the suture is achieved.

A method for closing a puncture in tissue that includes advancing a guide member into proximity with the tissue, the guide member having a needle guide, positioning a distal end of the guide member with the needle guide toward the tissue to present an opening of the needle guide toward the tissue the needle guide cooperating with a suture securing device that is slidably coupled to the guide member and a suture attached to the suture securing device, deploying the suture securing device, the suture securing device comprising a body with an anchor point for the suture and features that allow the suture securing device to pierce the tissue and resist retraction through the tissue, and establishing tension in the suture to move the suture securing device toward another suture securing device to thereby close the puncture in the tissue.

Systems and methods are provided for performing tensionable knotless surgical procedures. A suture locking device that includes a one-way locking mechanism may be utilized for tensioning and locking one or more strands of suture during the surgical procedure. The one-way locking mechanism may be established by one or more locking barbs of the suture locking device.

Disclosed herein is a metallic tilting suture anchor for attaching soft tissues to bone. The suture anchor is configured to tilt inside a drilled hole at bone, and make mechanical engagement with cancellous wall of the drilled bone. The geometrical design of the anchor produces a large horizontal offset between its center of mass and eyelet, creating a weight induced tilting moment. Hence, once the surgeon pulls the suture thread, the anchor tilts and engages with the bone, with no need for the surgeon to hold the anchor simultaneously. Also, transversely extended cutting teeth are applied to the proximal and distal bone engagement surfaces of the anchor to enhance the mechanical engagement of the anchor with bone, in high-density cancellous bone applications. The anchor is made from biocompatible metal alloys to increase the effectiveness of the weight force tilting moment and bone engagement teeth.

Systems and methods are provided for performing tensionable knotless surgical procedures. A suture locking device that includes a one-way locking mechanism may be utilized for tensioning and locking one or more strands of suture during the surgical procedure. The one-way locking mechanism may be established by one or more locking barbs of the suture locking device.

A guiding apparatus, system, method, and forceps device for facilitating placement of sutures in a surgical procedure. The apparatus including a shaft portion having a non-circular aperture extending laterally therethrough and a blade portion having a shank extending at an angle from the shaft portion and a blade having a blade aperture extending from the shank. The system includes a plurality of the apparatuses held substantially parallel by an elongated rod through the apertures of the shafts. The blade apertures guide the at least one suture to a desired location to pierce through a target body tissue.

The invention belongs to the technical field of medical instruments, and particularly relates to an abdominal fascia suturing and puncturing device which comprises a suturing instrument, a puncturing thread hooking device and a damper. The stitching instrument is inserted into the puncture cannula, the upper surface of the first swing part abuts against the inner wall of the abdominal cavity side wall, the puncture thread hooking device pierces into the side wall of a puncture wound till an opening of a thread hooking groove moves to the position below a suture line, the puncture thread hooking device is pulled out, the lower end of the thread hooking groove abuts against the suture line, and the suture line is pulled out. The other end of the suture line is hooked out according to the same method, the puncture cannula, the connecting pipe and the like are pulled out, the two ends of the suture line are located on the outer side of the puncture wound, the middle of the suture line is left in the abdominal cavity and penetrates through the side walls of the two sides of the puncture wound, and the wound is sutured according to a conventional method. The fascia suturing work is completed; the suturing and puncturing device can solve the problem that instruments are frequently replaced in the operation process.

The present disclosure provides an anastomotic reinforcement patch, comprising: a backing, end caps, a patch, suture lines, and traction lines. The backing has a first surface and a second surface facing away from each other in the thickness direction, and the backing is configured as an arc-shaped structure. A first end and a second end with opposite directions are provided in the extending direction of the arc-shaped structure, and the backing is used for assembling an arc-shaped stapler; the patch has an arc-shaped structure, is disposed on the first surface, and is detachably connected to the backing; the end caps are disposed on the first surface of the backing and are used for restricting the connection between the anastomotic reinforcement patch and the arc-shaped stapler; the suture lines are disposed on the backing and are used for suturing the backing to the patch and the end caps, and the suture lines are arranged as a closed loop on the backing; the traction lines are sleeved on the suture lines near the second end, and when an external force acts on the traction lines, the traction lines are dragged to drive the separation of the suture lines from the backing.

A knotless suture anchor system is disclosed for improved anchoring in tissue. The knotless suture anchor system includes an anchor body having an exterior surface, a proximal end, a distal end, a longitudinal axis extending between the proximal and distal ends, an interior longitudinal passageway extending at least partway from the proximal end toward the distal end, a proximal opening communicating with the longitudinal passageway nearer the proximal end, and a distal opening communicating with the longitudinal passageway nearer the distal end. The knotless suture anchor system also includes an interference member insertable distally into the longitudinal passageway to secure a portion of a suture within the longitudinal passageway by compressing the portion of the suture between the interference member and the anchor body, and a frangible connection that joins a proximal member to the anchor body.

The invention discloses a knotter for laparoscopic minimally invasive surgery suture, and relates to the technical field of surgical instruments. The device comprises a handle, a guide rod is fixedly connected to one side of the handle, a clamping plate is fixedly connected to one side of the guide rod, and an adjusting plate is arranged at the bottom of the clamping plate; and a cutting assembly is arranged in the clamping plate and comprises a moving frame, the moving frame is slidably connected into the clamping plate, and a cutting knife is fixedly connected to one side of the moving frame. Through the arrangement of the clamping assembly, when a medical worker holds a handle with a hand, a suture line can be clamped through an adjusting plate and a clamping plate, the position of the clamping plate is fixed, when the suture line is clamped, the adjusting plate can be driven by a moving pipe to rotate with a fixing shaft as the axis, and when the adjusting plate is attached to the clamping plate, the suture line can be fixed; and then medical personnel hold another clamp to move the suture needle to suture the surgical wound of the patient, and knotting is carried out in cooperation with the clamping plate.

A suture transfer device and method of use provides the suture transfer device to facilitate passage of suture through a channel bored through a bone. The suture transfer device may also be installed upon a surgical drill. The device extends through bone tissue providing a temporarily installed suture passage with an overall cylindrical configuration and a linear trough, the device can be included on a bone drill during the drilling process, with the device deployed within the drilled channel within the bone upon completion of the drilled channel in the bone, providing smooth passage of one or more sutures during tissue repair through the linear trough, the device further removed upon completion of the surgery without disruption of the suture or sutures. Kits are also provided.

Systems and methods are provided for performing tensionable knotless surgical procedures. A suture locking device that includes a one-way locking mechanism may be utilized for tensioning and locking one or more strands of suture during the surgical procedure. The one-way locking mechanism may be established by one or more locking barbs of the suture locking device.

A navigation system is used to provide the real-time position of a patient's anatomy during the procedure. An innovative suture anchor is used to temporarily affix a navigation marker to a patient's anatomy for an orthopedic procedure. The suture anchor includes a first suture having a hollow passageway connecting a knot end and a leash end, a second suture having a hollow passageway connecting a knot end and a leash end, and a third suture having two leash ends and passing through the hollow passageways of the first and second sutures and interconnecting the knot ends thereof. When the two leash ends of the third suture is pulled it causes the knot ends of the first and second sutures to interlock and expand into an enlarged knot, and the enlarge knot is adapted to engage a small diameter superficial hole in a patient's bone.