71 results about "Suture fixation" patented technology

A suture anchor includes a threaded anchor body having a first central bore in communication with a second central bore. The suture anchor includes an internal eyelet formed of a loop disposed at least partially inside the first central bore. The ends extending from the loop are tied together to form at least one knot which is housed in the second central bore provided at the distal end of the anchor body. The knot increases the pullout strength of the suture even in soft bone, provides increased suture fixation, and eliminates the anchor “pull back.”

A system for repairing a meniscus includes a suture including a first anchor, a second anchor, and a flexible portion connecting the first anchor and the second anchor. The flexible portion includes a self-locking slide knot between the first anchor and the second anchor. The system also includes a needle having a longitudinal extending bore and an open end. The bore is configured to receive the first anchor and the second anchor. The system further includes a pusher configured to be movable within the bore of the needle. The pusher is configured to (1) discharge the first anchor and the second anchor, and (2) push the self-locking slide knot after the discharge of the second anchor.

Suture Locks, as well as related systems and methods, are provided for fixing strands of one or more sutures relative to tissue. The suture locks, systems and methods are simple and reliable in use, facilitate complete perforation closure and adjustment of the suture strands, and are adaptable to a variety of suture fixation and perforation closure situations. The suture lock includes a locking pin and a retaining sleeve. The locking pin has a main body and a grip. The retaining sleeve has a tubular body with an internal wall defining an internal passageway sized to receive the locking pin therein. The suture lock is operable between a locked configuration and unlocked configuration. In the locked configuration, the suture strands are compressed between the grip and the internal wall of the tubular body.

A suture lock, as well as related methods, are provided for fixing strands of one or more sutures relative to tissue. The suture lock and method are simple and reliable in use, facilitate complete perforation closure and adjustment of the suture strands, and are adaptable to a variety of suture fixation and perforation closure situations. The suture lock includes a locking cylinder and a retaining sleeve. The locking cylinder has a tubular body defining an interior surface and an exterior surface. The interior surface defines a first interior passageway. The tubular body defines a first aperture and a second aperture that are spaced apart and in communication with the first interior passageway. The retaining sleeve defines a second interior passageway sized to receive the tubular body of the locking cylinder. The suture strands are compressed between the tubular body and the retaining sleeve.

A knotless suture fixation device (1) and method having a anchor (2) with a top portion (4), a middle portion (5) and a bottom portion (6). The top portion having at least two wings (7) and the bottom portion having an aperture (8) that passes through the anchor. The interior of the middle portion is threaded to accept a screw (3). The screw pushes against the wings to spread the wings outward as the screw is tightened. An opening (29) between the middle portion of the anchor and the bottom portion of the anchor allows the screw to pass through the aperture and make contact with a tip (10) of the anchor as the screw is tightened, thereby locking any sutures that have been inserted through the aperture in place. In an alternative embodiment, the anchor may have one or more press fit ridges (31) instead of wings.

The invention discloses a process for manufacturing a wula sedge healthcare mattress. The process comprises the following steps: firstly, sterilizing wula sedge, maintaining the fragrance of the wula sedge, adding pine needles and bamboo filament, blanching in water once, draining off the water, performing stifling and compressing, and soaking in a solution so as to obtain a mixture I; blanching coconut fiber and linen fiber once, draining off the water, and soaking in a solution so as to obtain a mixture II; performing appropriate compressing and soaking on acorus calamus and schoenoplectus trigueter so as to obtain a mixture III; finally mixing the mixture I, the mixture II and the mixture III, performing scientific baking, performing hot pressing and trimming, and performing suture fixation, thereby obtaining the wula sedge healthcare mattress. The wula sedge healthcare mattress manufactured by using the process is comprehensively applicable to various people, is comfortable and healthy, is capable of effectively improving sleep quality, meanwhile has the effects of clearing and activating the channels and collaterals and improving blood circulation, is capable of enhancing the effects of improving immunity and improving sleep quality, and is very applicable to long-term use by various people.

The invention provides a suprasternal median incision suturing fixation bandage. The suprasternal median incision suturing fixation bandage comprises a flexible belt A and a hook-shaped suture needle B, wherein the flexible belt A comprises a front part A1 and a rear part A2 which are connected; one end of the front part A1, which is away from the rear part A2, is connected with the tail part of the suture needle B; one end of the rear part A2, which is away from the front part A1, is connected with a fastening device A3; the front part A1 is in a taper shape with the cross section size gradually decreased in a direction away from the rear part A2; the inner side of the rear part A2 is provided with a single-direction toothed groove matched with the fastening device A3. According to the suprasternal median incision suturing fixation bandage, the front part A1 is in the taper shape with the cross section size gradually decreased in the direction away from the rear part A2, so that a design which is optimally matched with the suture needle as well as the external dimension of the front end of the embedded flexible belt is obtained, and further injury to intercostal soft tissues during a suturing process can be minimized.

The invention provides a fibrin sealant which comprises a fibrin polymer and a thrombin-like enzyme, wherein a ratio of the thrombin-like enzyme to the fibrin polymer is 0.01 to 100 IU:1 mg. The fibrin sealant can be used on the aspects of hemostasis, healing promotion, defect enclosing, bonding prevention, tendon suture fixation tendon injury, molding repair of bony defect, regeneration of skin tissue, carrier slow release and the like.

The invention discloses an anorectum support drainage tube for infants. The anorectum support drainage tube comprises a transparent catheter with a round periphery and smooth lines, elliptical quick discharge holes, an inverted-gourd-shaped air bag and a conical disc-shaped buckle. Scales are arranged on the wall of the catheter, an oblique plane at the angle ranging from 30 degrees to 50 degrees is arranged at an upper port, the elliptical quick discharge holes are formed in two sides of the catheter and are positioned below the upper port, the inverted-gourd-shaped air bag annularly sleeves a position below the quick discharge holes of the catheter, and the conical disc-shaped buckle annularly sleeves a position below the inverted-gourd-shaped air bag on the catheter. The anorectum support drainage tube has the advantages that the anorectum support drainage tube can bring convenience for observing anastomotic stomas, is large in relative vertical plane drainage area and can bring convenience for quickly effectively discharging different types of intestinal juice, secretion and feces in intestinal tracts, the anorectum anastomotic stoma can be uniformly compressed, internal hemorrhage can be reduced, and anastomotic stoma scar contracture can be prevented and treated; the anorectum support drainage tube is easy to operate, tube change operation can be carried out at any time as needed, suture fixation can be omitted, and accordingly suffering of child patients can be relieved; different models of anorectum support drainage tubes with different sizes and lengths can be selected according to growth and development characteristics of the infants; the anorectum support drainage tube is suitable for postoperative posterior anorectum anastomotic stoma treatment on the infants.

A suture fixation arthroscope apparatus of the temporomandibular joint (TMJ) disk comprises a first suture needle and a first inner core, a second suture needle and a second inner core, and a third suture needle. The tail ends of the first and second suture needles are connected with a big handle via a valve panel, a vertical groove is opened towards the center of a circle of the surface of the big handle, a horizontal groove which is the same size as the vertical groove is vertically set at the place of the big handle connecting the valve panel. The first inner core includes a seamless tube and a top welded with wire snares, the second inner core includes a seamless tube and a top welded with a crochet hook, the radian near the tails of the first and second inner cores is 90 degrees, a small handle is connected at the tails. The first and second inner cores can pass through the vertical groove of the big handle of the first and second suture needles respectively, the corner of the 90 degrees tail is able to lock rightwards or leftwards at the horizontal groove, the wire snare or the crochet hook at the top of inner cores are able to come out from the top of the suture needles.

The invention discloses a memory alloy C ring and an implanting and taking-out device thereof. The C ring is composed of a beam, two clasping claws and two oblique shoulders. The implanting and taking-out device comprises a lead screw, a frame, a sliding block, a screw rod, a left hook, a right hook and a knob. The memory alloy C ring is convenient to implant due to the small size and will not injure ribs due to the gentle strength; the distance between the two hooks of the implanting and taking-out device of the C ring can be adjusted, C rings of different specifications can be quickly and conveniently arranged on a funnel chest orthopedic plate and the ribs in a clasping mode, the C rings recover to a preset C shape at the body temperature after being implanted in the body, and thus fixation of the orthopedic plate and the ribs is achieved without additional suture fixation; when it is needed to take out the product, the C rings do not need to be cooled, and the C rings of differentspecifications can be easily and quickly taken out through a small incision and operation space by means of the implanting and taking-out device, so that it is easy and fast to implant and take out the orthopedic plate, and the operation time is greatly shortened.

The invention relates to a ligament fixation system comprising a suspensory steel plate and an absorbable implant and an application method of the system. The ligament fixation system includes the suspensory steel plate, the absorbable implant, a suspensory thread and a suture. The implant is in a cylindrical shape, parallel open pore passages are symmetrically distributed in the periphery of theimplant, an arc-shaped groove smoothly connected with a ligament graft is formed in the top of the implant, and a square groove for facilitating suture fixation is formed in the bottom of the implant.The implant makes the contact area of the ligament graft and the surface of a bone tunnel increased, prevents synovial fluid from permeating into the bone tunnel, effectively reduces the occurrence of a 'windshield wiper' effect, and prevents friction and breakage of the ligament graft. The application of the absorbable material is beneficial to achieving true tendon-bone healing. The ligament fixation system has wide raw material sources, and is convenient to manufacture, fast to assemble and easy to use, the tendon processing steps can be simplified, the operation time can be shortened, andthe firmness of the ligament graft can be significantly improved.

The invention discloses a combined spiral reinforced bone anchor and belongs to the field of medical apparatuses and instruments. The combined spiral reinforced bone anchor disclosed by the invention comprises two parts, namely an anchor and a screwed nail, wherein the anchor comprises an anchor head and an anchor main body; the screwed nail comprises a spiral main body; the front of the spiral main body is provided with a sharp nail head, and the rear of the spiral main body is provided with a nail tail used for rotationally implanting the screwed nail. According to the combined spiral reinforced bone anchor disclosed by the invention, the anchor and the screwed nail are organically combined, the anchor is first knocked in and then the screwed nail is screwed in during use, holding force of the anchor in bones is provided by utilizing the screwed nail, the holding force is high, conditions that the bone anchor is easy to loosen during operation or after operation and the like are avoided, the stress can be effectively dispersed, and bone destruction is small. In addition, the limitation of distances and quantities of implanted anchors is small, anchor implantation density is high, and the bone anchor is particularly suitable for tendon suture fixation of patients with osteoporosis; moreover, when the anchor loosens, a larger-diameter replaced screwed nail can be implanted in situ again, and the operation is simple and flexible.

A biological material with composite extracellular matrix component, in which decellularized small intestinal submucosa (SIS) is treated as the interlayer and decellularized urinary bladder matrix (UBM) is treated as superior and inferior surface layers. The interlayer is totally encapsulated by the mentioned superior and inferior surface layers, forming a sandwich structure with advantages of integrating UBM and SIS to have high bioactivity with bionic structure, UBM isolates the immunogenicity of SIS and direct contact with host tissue, and after implantation the basic type of inflammatory interaction in the host-implant marginal zone is the same as that of pure UBM, with high biocompatibility; effective endotoxin removal optimize the biosafety of the material after implantation; feasibility for industrial large-scale production; the stiffness of the material can be maintained even after hydration, with good handling feel and fit condition, beneficial for the suture fixation and also shorten the fixation or surgery time.

Syndesmosis fixation assemblies, systems, and methods thereof. A syndesmosis fixation assembly includes a suture retaining portion having a plurality of suture openings formed therein and a suture securing portion rotatably connected to the suture retaining portion. The suture securing portion is movable between a first position wherein a suture is moveable within the suture retaining portion and a second position wherein the suture is frictionally secured within the suture retaining portion. A bone insertion portion has a distal bone insertion end adapted for insertion into a bone, a proximal bone insertion end connected to the suture retaining portion, and a central longitudinal axis extending between the distal bone insertion end and the proximal bone insertion end.

The invention discloses a sutureless capsular bag tension device for lens subluxation of the ophthalmology department. The sutureless capsular bag tension device comprises a head part, a body part anda tail part which are integrally formed and sequentially arranged; and one end of the head part is provided with one or more reverse teeth, the other end of the head part is connected with the body part, the body part is of an arc-shaped structure, one end of the body part is connected with the head part, the other end of the body part is connected with the tail part, and the tail part is of an annular retractor structure. The sutureless capsular bag tension device is used for maintaining the stability of the lens capsular bag in lens subluxation operation of the ophthalmology department, theedge of the head part of the sutureless capsular bag tension device is provided with the multiple reverse teeth, after the head part enters a sclera interlayer, the sutureless capsular bag tension device can be fixed, the body part is of the arc-shaped structure and is attached to the edge of a capsular bag, the tail part is of the annular retractor structure, in the operation, a tail retractor enables the body part to be fully implanted into the capsular bag through a manual lens position-adjusting hook, the sutureless capsular bag tension device can be fixed to the sclera interlayer throughthe reverse teeth at the heat part, and additional suture fixation is avoided.

A suture fixation system includes a suture assembly having an anchor, an introducer, and a delivery device. The introducer is attachable to a finger of a person and includes a platform attached to an exterior of the introducer and a zip line attached to the platform. The delivery device is movable along the zip line and configured to removably retain the anchor. The introducer allows the finger to identify a target landmark within a patient and the delivery device is movable along the zip line and attachable to the platform to position the anchor for insertion to the target landmark.

The invention discloses a suture fixer and a stitching instrument. The suture fixer comprises a main rod body, a suture lead clamp and a baffle structure, wherein the main rod body is provided with asuture fixing end; the suture lead clamp is rotationally arranged at the suture fixing end; the suture lead clamp forms a threading channel; the suture lead clamp is further provided with a suture hooking hole communicating with the threading channel; the baffle structure is positioned at the suture fixing end; the suture lead clamp is rotated relative to the main rod body to unfold the suture lead clamp and a suture relative to the main rod body; at least a part of the main rod body, the suture lead clamp and the baffle structure form a baffle space in a surrounding manner; suture hooking pincers extend into the suture hooking hole to hook up the suture; and the baffle structure is used for baffling the suture hooking pincers from penetrating through the baffle space. The technical schemeof the invention aims to optimize fixation modes of the suture, puncture injury caused by the suture hooking pincers to organs in an abdominal cavity in the stitching process is avoided, and the security of the stitching instrument can be improved.

The invention relates to the technical field of venous catheters, in particular to a multi-cavity central venous catheter. The multi-cavity central venous catheter comprises a first branch catheter, asecond branch catheter is arranged on one side of the first branch catheter, a connector is arranged at one ends of the first branch catheter and the second branch catheter, and one end of the firstbranch catheter and one end of the second branch catheter are communicated with the inside of the connector. According to the multi-cavity central venous catheter, by arranging a plurality of side holes, occurrence of the blocking condition of the catheters is reduced, workloads of the medical staffs are thus reduced, and the problem that an existing central venous catheter is easy to block is solved; the multi-lumen central venous catheter is provided with a fixing device, breathing and sweat absorption of the skin at the fixed position are facilitated, and occurrence of pressure sores is avoided. The design is humanized, a traditional mode of needlework suture fixation is changed, pains of a patient are reduced, and the problem that the fixing mode of the existing central venous catheteris easy to bring pains to the patient is solved.