157 results about "Suture anchors" patented technology

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.

To provide a suture anchor used alone and formed of a soft material promoting an ability of fixing a suture without necessity of forming a knot, and adjusting, maintaining, and positioning a tissue to a desired position of a pilot hole during attachment of the anchor.SOLUTION: A knotless unstable anchor 10 includes an anchor having a first side surface and a second side surface, in which a suture material passes from the first side surface to the second side surface. The suture material includes: an adjustable loop 30 extending from the first side surface of the anchor; and a first rim 24 and a second rim 26 extending from the second side surface of the anchor. A splice 28 is formed in a first rim between a first end of the first rim and the anchor. A self folding loop 22 is formed in the first rim between the first end and the splice. The second rim extends so as to pass the splice of the first rim.SELECTED DRAWING: Figure 4

The present disclosure provides an all-suture anchor which includes a suture cannula, a pulling wire, an outer tube and an inserter, wherein the suture cannula is provided in the outer tube, the pulling wire goes through the suture cannula, the pulling wire wraps around the inserter, the suture cannula and the outer tube are both in plug-in fit with the inserter, both ends of the pulling wire pass through the suture cannula, respectively, and pass out of one end of the outer tube far from the suture cannula, the inserter is configured to push the suture cannula out of the outer tube, and the pulling wire is configured to pull the suture cannula pushed out of the outer tube, so that the suture cannula retracts, stacks and expands. The expanded suture cannula clings to the side wall of a bone tunnel to provide a fulcrum for fixing the anchor.

A toggle-type suture anchor that incorporates individual suture tensioning and locking without knot tying. The anchor includes several exemplary designs of toggle bodies having a working suture pre-threaded through one or more passages therethrough. A locking suture loop is pre-threaded relative to the working suture and includes a collapsible loop that encircles a portion of the length of suture running longitudinally adjacent the side of the anchor. With the loop open, the working suture can slide through the anchor, however, when the loop is closed the working suture is locked in position to retain tension on the working suture. Alternatively, the locking suture loop can be replaced with a mechanical locking member that moves from a first unlocked to a second locked position. The exemplary anchors can be utilized in a pre-strung connected array of anchors.

The invention relates to the technical field of periosteal repair, and particularly discloses a suture anchor for periosteal cartilage defect repair and a using method thereof.The suture anchor comprises at least two anchor bodies, the head of each anchor body is a pointed cone part, and a suture blind hole is formed in the tail of each anchor body; at least one group of threading rods which are arranged at intervals with the bottoms of the threading blind holes are arranged in the threading blind holes; the at least one tail line penetrates through the threading blind hole of the anchor main body; and the anchor main body and the tail line are made of biocompatible materials. After the tail line is tightened, irreversible fixation is achieved through an automatic locking structure, postoperative tail line loosening or periosteum displacement is avoided, and the cartilage regeneration effect is improved.

A suture anchor insertion assembly includes a needle pre-attached to a suture or suture tape, the needle being located within a housing of an inserter. The suture extends around a suture bridge of a suture anchor having at least one rib extending through an interior volume. An outer surface of a shaft of the inserter includes a groove sized to receive both the rib of the suture anchor and a length of the suture while still allowing the suture to slide relative to the inserter.

This utility model discloses a loading device for a full suture anchor and its separate implantation system, relating to the field of medical device technology. The full suture anchor includes an anchor body and a suture, with the suture exiting from both ends of the anchor body. The loading device includes a loading box with coaxially arranged anchor clamping and release positions. A clamping assembly slides within the loading box, clamping the anchor body at the anchor clamping position. When the clamping assembly slides to the anchor release position, it actively releases the full suture anchor, allowing it to be pushed out of the loading box. A winding wheel rotatably mounts on the loading box, with the suture symmetrically exiting from both sides of the clamping assembly and wound around the winding wheel. This loading device for the full suture anchor ensures accurate docking and smooth assembly of the inserter and the full suture anchor, improving the assembly efficiency of the full suture anchor and inserter, while also preventing contamination of the full suture anchor before implantation.

The invention discloses a suture-containing anchor device for fixing articular cartilage stripping and a fixing method. The device comprises an anchor, a soft needle, a buckle cylinder and a suture; the anchor is made of titanium alloy absorbable materials and is provided with a double-spiral decompression groove and a suture channel. The suture is made of eight strands of ultra-high molecular weight polyethylene coated with polylactic acid, one end is fixed with the anchor, and the other end is welded with a nickel-titanium alloy soft needle through laser; the buckle cylinder is detachable and wraps the suture and the soft needle connecting section. The method comprises the following steps: resetting a bone block and temporarily fixing the bone block, drilling a central bone tunnel, implanting an anchor nail, installing a buckle cylinder, then enabling a soft needle with a suture to penetrate out, drilling a peripheral bone tunnel, threading into a tension band in a bundle splitting manner, adjusting the tension to 0.5-1.2 N / mm < 2 >, and then combining and locking the SMC sliding knot and the surgical knot. Minimally invasive fixation is achieved, mechanical stability and tension uniformity are improved, and cartilage healing is facilitated.

To improve an endoscopic tissue approximation system and methods.SOLUTION: A deployment system includes: a sheath; a torque able shaft having a handle positioned at its proximal end; a detachable helical first suture anchor positioned at the shaft distal end; and an elongate suture fixedly coupled to the suture anchor. The deployment system can be positioned in a first tissue, and causes the shaft to rotate to advance the helical first suture anchor into engagement with the first tissue. The shaft is detached from the first suture anchor, thereby deploying it in the first tissue location. Then, the deployment system is removed from the patient, and a second suture anchor is coupled to the distal end of the shaft. The deployment system is re-inserted into the patient, the distal end of the system is moved adjacent a second tissue location, and the process is repeated for a second suture anchor at the second tissue location. The suture extends between the first and second fasteners, and tension is applied to the suture to draw the first and second tissues toward each other to reconfigure the tissue.SELECTED DRAWING: Figure 1

Methods and anchor devices for repairing soft tissue with a suture are provided. An anchor device comprises an elongate body having a proximal end, a distal end, and a first lumen extending from the proximal end, the first lumen having at least one face which is sloped relative to the central axis of the elongate body such that the cross-sectional area of the first lumen decreases in the proximal direction. The anchor device also comprises a suture locking wedge movably disposed at least partially within the first lumen, the wedge consisting of a sloped face such that the cross-sectional area of the wedge decreases in the proximal direction, the sloped face of the wedge contacting the sloped face of the first lumen when the wedge is in a suture locking position, and a wedge lumen through the wedge located away from the proximal tip, wherein the wedge lumen is configured to allow the suture to pass through the wedge.

A suture assembly comprises a suture anchor, a repair suture, and a shuttle suture. Each suture has a looped end and a tail end. The tail end of the repair suture and the looped end of the shuttle suture extend out one side of the proximal end of the anchor, while the looped end of the repair suture and the tail end of the shuttle suture extend out the opposite side of the anchor. A method of repairing tissue includes implanting the suture anchor into a bone below and to one side of the tissue; passing the tail of the repair suture between a detached tissue and a bone, and then back over the detached tissue and through the loop of the repair suture to create a luggage tag construct before locking the tail of the repair suture against a portion of the suture anchor.

An anchor assembly secures a tissue to a bone with a repair strand. The anchor assembly includes an anchor sleeve having a lumen and an inner thread, an anchor tip having an opening, and an anchor insert inserted into the lumen of the anchor sleeve. The anchor sleeve is inserted into a bone socket in the bone. The opening receives the repair strand. The anchor insert has an outer thread configured to engage the inner thread of the anchor sleeve, where the anchor insert rotates relative to the anchor tip while being inserted into the anchor sleeve. The anchor assembly is used in a method of securing tissue to bone.

The utility model provides a full-suture anchor implanting device with an end guiding function, which comprises an operating handle, a straight pipe is arranged at the front end of the operating handle, a reciprocating mechanism is arranged in the operating handle, a guide pipe is coaxially arranged at the front end of the straight pipe, and the guide pipe is formed by sequentially hinging a plurality of guide joints end to end in a spherical manner. Any guide joint is internally provided with a front-back through guide channel, and the guide channels of all the guide joints are communicated with one another to form a pipe cavity of the guide pipe; an implantation tube is arranged at the front end of the guide tube; the implantation tube, the guide tube and the straight tube are communicated in sequence; an inner tube is further arranged in the tube cavity of the implantation tube, the tube cavity of the guide tube and the tube cavity of the straight tube; and the rear end of the inner pipe is connected with a reciprocating mechanism in the operating handle. Implantation of a nonlinear surgical approach is achieved, drilling and implanting steps are continuous through the integrated guide ring, and surgical efficiency and reliability are improved.

The invention relates to the technical field of medical treatment, and particularly discloses a suture anchor and an implanting device thereof.The suture anchor comprises sutures and an anchor cone penetrated by the sutures, the number of the sutures is two, the head ends and the tail ends of the two sutures penetrating through the anchor cone movably penetrate through anchor columns, the anchor columns and the anchor cone form a segmented anchor mechanism, and the segmented anchor mechanism is connected with the sutures. The segmented anchoring mechanism is implanted into a bone through the implanting mechanism, and the implanting mechanism comprises a guide assembly, a sleeve core assembly and an implanting rod which are used in a matched mode. The guide assembly is arranged to have multiple radians, the universality can be enhanced, an original integrated anchor is designed to be a segmented anchor mechanism, the segmented anchor mechanism can adapt to the guide assembly with multiple radians, and the problem that a traditional hard material anchor cannot pass through the guide assembly with the large radian is solved. Furthermore, the segmented anchoring mechanism is matched with the guide assemblies with multiple radians, so that the device adapts to damage to part of specific areas, and the fixing effect can be improved.

Surgical anchor constructs, fixation devices, and methods for tissue repairs are disclosed. A soft suture anchor has a cannulated sheath (that is fixed in bone), at least one repair suture attached to the sheath, and at least one hybrid shuttling link attached to the sheath. The hybrid shuttling link is configured to act as both a shuttle / pull device and a repair suture. A free end of the repair suture is passed through the lumen and the body of the sheath to form at least one splice and a an adjustable, flexible, tensionable, knotless loop around soft tissue to be attached to bone. The hybrid shuttling link may form a knotted loop around soft tissue to be attached to bone.

Knotless or knotted constructs, surgical systems, assemblies, and methods of tissue repairs are disclosed. A construct can create a knotted or knotless repair. In an embodiment, a construct as described herein can be self-locking and tensionable. A construct can include fixation devices in the form of soft suture anchors attached to a length of flexible coupler. A flexible coupler can be passed multiple times through the fixation devices to form a tensionable mechanism.

A delivery device for suture deployment for post-procedural closure of access sites after removal of an interventional device is disclosed. The delivery device includes a distal assembly including an elongate member, a proximal housing including one or more control elements for controlling one or more components of the delivery device, and a plurality of delivery tubes extending distally from the proximal housing to the elongate member. Each delivery tube of the plurality of delivery tubes includes a suture anchor stored within a distal portion of the delivery tube and a push rod configured to push the suture anchor distally out of the distal portion of the delivery tube to deploy the suture anchor into a target tissue.

Adjustable tissue repair systems and methods are provided for reducing and fixating tissue to bone. The proposed systems and methods utilize two or more suture anchors and one or more adjustable suture loops for reducing and fixating the tissue to the bone. The suture anchors may be positioned as part of a multi-row fixation technique for providing a desired area of footprint compression over top of the tissue.

A suture anchor includes an implanted portion configured to insert within an opening formed in bone of a patient and exposed portion configured to remain exposed. One or more sutures are laced through at least the implanted portion and possibly the exposed portion. Once tensioned, the suture causes the implanted portion to wedge within the opening and resist removal. The exposed portion may be placed over and / or around tissue and the suture may be passed through the tissue and knotted to secure the tissue to the suture anchor. The implanted portion may be infused with bone growth factors and the exposed portion may be infused with healing factors, such as Bone Morphogenic Protein-2 (BMP-2) and Platelet Rich Plasma (PRP).

Provided herein are suturing systems, methods of anchoring to a bone, methods for anchoring a soft tissue to a bone, and methods of anchoring a first soft tissue portion to a second soft tissue portion. An exemplary suturing system includes an anchor and a suture inserter device. The anchor includes a plurality of anchor inserts coupled to a portion of the suture between a first end and second end of the anchor. The anchor has an insertion configuration that is substantially linear and a deployed configuration that is at least partially nonlinear. The suture inserter device includes a housing comprising a housing lumen and a housing shaft disposed therein, and an inserter fork coupled to the housing shaft. The housing shaft is axially translatable, and the inserter fork is axially translatable, via the housing shaft, between a distal position and a proximal position.

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.

A suture anchor includes a material having thermoplastic properties and is fixated in a hard tissue opening by liquefying at least part of this material and letting it penetrate into walls of the hard tissue opening. During the named fixation and preferably towards the end of it, the suture being held in a distal suture conduit is locked relative to the hard tissue by being clamped between the suture anchor and the wall of the hard tissue opening or by being clamped or braked through collapse of the suture conduit.

Systems and methods for opposing abnormal motion of an adjacent bone are provided. One exemplary embodiment of a surgical method includes delivering and securing a bone barrier to a bone bed of a glenoid such that at least a portion of the bone barrier extends laterally beyond the bone bed and can oppose, prevent, and / or reduce abnormal motion of an adjacent bone (e.g., a humeral head). The bone barrier can be secured along a periphery of a glenoid of a shoulder. More particularly, the bone barrier can be placed and secured such that at least a portion of the bone barrier extends laterally over the glenoid and can oppose abnormal motion of the humeral head. In some embodiments at least one suture anchor and suture can secure the bone barrier to the bone bed.

The application provides a knot-free suture anchor and implanting device, relates to the technical field of medical devices, and aims to solve the problem that traditional metal anchors and polymer material anchors need to be manually knotted during implantation, and provides a knot-free anchor structure made of suture and related implanting device. The knot-free suture anchor comprises a deformation sleeve, a suture and a traction line, the deformation sleeve is a hollow structure, the suture is arranged in the deformation sleeve, the suture comprises a sliding end and a fixed end, the sliding end is connected with the fixed end and forms a ring structure arranged on the deformation sleeve, a traction sleeve is further arranged on the suture, the traction line is arranged in the deformation sleeve through the traction sleeve, and one end of the traction line located outside the deformation sleeve is provided with a traction ring through which the sliding end of the suture passes; when the sliding end is pulled, the deformation sleeve is contracted and deformed.

Methods of repairing tissue include obtaining a suture including a first end defining an opening and a second end capable of passing through the opening; passing the first end through the tissue at a first location; passing the second end through the tissue at a second location; forming a luggage tag configuration by passing the second end through the first end; and securing the luggage tag configuration against the tissue. In some examples, the suture is a continuous closed loop, and in others the suture has a barbell configuration, with a linear central portion and a loop at each end. In still examples, the suture has a loop at one end and a tail at the other. The suture may be used without an anchor or may be part of a suture assembly including a suture anchor and, optionally, at least one other suture.

An anchor inserter is provided that includes an inserter tube extending along a longitudinal axis, the inserter tube having a proximal inserter end and a distal inserter end. The inserter also includes an inserter tip attached to the distal inserter end and extending distally from the distal inserter end. The inserter tip has a proximal tip end and a distal tip end, with a suture anchor retention slot extending through the distal tip end. The inserter has one or more cutting edges extending at least partially along an outer perimeter edge of the distal tip end. The distal tip end has a first arm and a second arm. The first arm is substantially straight and the second arm is curved.

The invention belongs to the technical field of weft-knitted rotator cuff patches, and relates to an integrally-formed weft-knitted rotator cuff patch with a full-stitch anchor and preparation of the integrally-formed weft-knitted rotator cuff patch with the full-stitch anchor, and the whole rotator cuff patch is of a sheet-shaped structure formed by weft knitting of yarn and stitches; the whole body formed by yarns in the rotator cuff patch is divided into a patch main body area, a patch forking and extending area and a nail body area which are sequentially arranged in the longitudinal direction, a sewing thread is only located in the nail body area and does not participate in knitting and looping, at least one sewing thread is arranged in each nail body area, and the nail body area and the sewing thread in the nail body area form a full-sewing-thread anchor nail. During preparation, a computerized flat knitting machine is adopted for production, firstly, yarn is adopted for knitting a patch main body area, then a knitting area is gradually narrowed down, a patch forking and extending area is formed in the process, finally, yarn is adopted for knitting a nail body area, a sewing thread is introduced into the knitting area in a weft insertion mode, and then the sewing thread is taken out of the knitting area in the weft insertion mode. The rotator cuff patch has the characteristics of high mechanical strength, uniform stress distribution, high fixing strength and the like.

A method and apparatus for securing soft tissue to bone can include loading a suture through an eyelet of a suture anchor. The suture anchor can have a longitudinal axis and a distal tip. An anchor inserter assembly can be positioned in contact with the suture anchor. The anchor inserter assembly can include a sleeve portion and an impacting portion. The suture can be engaged with a suture engaging member on the suture inserter assembly at a location adjacent to the eyelet. The sleeve portion can be translated relative to the impacting portion from an alignment position to an insertion position thereby moving the suture a first distance offset from the eyelet in a direction away from the distal tip. The anchor insert assembly can be advanced to a driven position thereby advancing the suture anchor into the bone. The suture engaging member can be released from the suture.

1. Name of the product in this design: Handle of the wire anchor inserter. 2. Application of this design: This design is used for screwing in and hammering in suture anchors during orthopedic surgery. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

Surgical anchor constructs, fixation devices, and methods for tissue repairs are disclosed. A soft suture anchor has a cannulated sheath (that is fixed in bone) with dimensions designed to fit bone holes of about 1.0 to about 1.1 mm. At least one flexible strand is attached to the sheath and passed through the lumen of the sheath in a specific direction to form one or more adjustable, flexible, tensionable loops extending around and through the cannulated sheath.