98results about "Muscles" patented technology

A device for interfacing at least one filamentous structure, with real or simulated biological tissue, comprising at least one body (10, 20) for anchoring the filamentous structure, said device being characterized in that said body (10, 20) comprises: at least one capstan (12, 22, 22', 22'), said capstan (12, 22, 22') being configured for wrapping the filamentous structure; at least one porous portion (13, 13', 24) having a trabecular structure (300); and system for regeneration, or repair, or replacement, or simulation of tendon and / or ligamentous tissue comprising said device and at least one filamentous structure comprising a plurality of nanofiber assemblies obtained by electrospinning, said plurality of assemblies being arranged to form a single bundle; said bundle being wrapped to the capstan (12).

A method for attaching tissue to bone includes the steps of inserting a first anchor into bone, advancing a first limb of a first suture from the first anchor through the tissue and a scaffold, and advancing a second limb of the first suture from the first anchor though the tissue. Alternate methods for attaching tissue to bone are also disclosed.

An arthroscopic system for the repair of a ruptured ligament is provided. Aspects of the invention include a scaffold surrounding a graft and attached by a suture to an fixation device and inserted into a repair site via arthroscopic equipment. The scaffold, the graft, and suture are further secured near or at the repair site via arthroscopic equipment having an elongated delivery member that contains the scaffold, graft, and suture prior to inserting the scaffold, graft, and suture into the repair site.

The present disclosure relates to a medical felting system (1). The medical felting system comprises a felting device (200) and a power unit (100). The felting device comprises at least one felting needle (203) configured to move back and forth between two end positions. The power unit comprises a battery (155) storing electrical energy, an electric motor (165) and a controller (164). The electric motor is configured to actuate the at least one felting needle. The electric motor is electrically connected to the battery. The controller is configured to control the electric motor and to actuate the motor to drive the felting needle. The felting device and the power unit are separable from each other. The felting system comprises a mechanical coupler (300) operably and releasably connecting the power unit to the felting device. The mechanical coupler transfers rotational motion from the motor to the at least one felting needle.

The described system designed to promote the biological attachment of fibrous connective tissue to a bone implant features a bone implant with a scaffold defining a porous attachment surface, a suction port, and a manifold that distributes a negative pressure gradient across the attachment surface. The system also includes an extracorporeal vacuum pump and a percutaneous suction hose connecting the suction port of the implant to the vacuum pump. The implant is placed in the patient's body with connective tissue applied over the attachment surface, and the suction hose is attached and connected to the vacuum pump. The vacuum pump, operating outside the body, creates a negative pressure gradient over an extended period, promoting the growth of slow growing Sharpey's fibres for superior biological integration. A highly vascularised tissue graft, such as a pedicled muscle flap, may be applied adjacent to the avascular tendon to enhance endogenous growth factor migration.

The utility model relates to tendon pre-tensioning instrument field, specifically is a kind of tendon pre-tensioning instrument, including metal plate and upper pulley, the upper pulley is arranged in the upper side of metal plate one side, the upper pulley is used to change the direction of force, the lower side of upper pulley is provided with spring assembly, spring assembly is used to convert force into spring compression amount for measurement, the lower side of metal plate one side is provided with curling assembly, curling assembly is used to curl metal wire, the function double-beam kit of the utility model is through ingenious metal wire reverse folding structure, utilizes movable pulley principle to make tendon force reduction half, not only reduce the operation difficulty, also revolutionize pre-tensioning mode.It kit support, square cylinder and fixed part one work together, ensure that structure is stable and operation safety.Anatomy single-beam and anatomy double-beam kit are aimed at the characteristics of isolated tendon, provide reliable attachment point for tendon wire fixation and tensioning through notch, recess, fixed part two and perforation etc. design, meet the special needs of tendon processing under different operation.

The application provides a kind of extrusion nail and its assembly for orthopedics, which is applied to the technical field of orthopedic surgical instruments.The extrusion nail adopts a threadless structure and is composed of a nail body, a barb and an extrusion groove, and can be adapted to different length bone tunnels through the head-to-tail matching of multiple nails.The assembly includes an execution end and an impact handle, which can provide linear impact force to realize the linear implantation of the extrusion nail.The application replaces the rotary screwing with linear advancement, fundamentally avoiding the shearing and torsional injury of ligaments, and has the advantages of precise implantation, convenient operation and stable fixation, which meets the clinical needs of orthopedic ligament reconstruction surgery and improves the safety of surgery and the quality of postoperative healing.

A graft configured for arthroscopic insertion to an implantation site within a body of a patient comprises a substantially flat portion defined by at least a first edge, a second edge, and a third edge, a first guiding lumen disposed along a portion of the first edge, a second guiding lumen disposed along a portion of the second edge, and a leading lumen disposed along a portion of the third edge. Each of the first guiding lumen, the second guiding lumen, and the leading lumen are configured to receive a suture. The third edge is substantially perpendicular to the first edge and the second edge such that the leading lumen is substantially perpendicular to the first guiding lumen and the second guiding lumen.

The described system, designed to promote the biological attachment of fibrous connective tissue to a bone implant, features a bone implant having a scaffold defining a porous attachment surface, a suction port, and a manifold distributing a negative pressure gradient across the entire attachment surface. The system also includes an external vacuum pump and a percutaneous suction hose connecting the implant's suction port to the vacuum pump. The implant is placed inside the patient's body with the connective tissue grafted to the attachment surface, the suction hose is attached, and it is connected to the vacuum pump. The vacuum pump, operating outside the body, creates a negative pressure gradient over an extended period, promoting the growth of Sharpey's fibers, which grow slowly for optimal biological integration. To promote endogenous growth factor transport, highly vascularized tissue grafts, such as pedicled muscle flaps, may be grafted adjacent to avascular tendons.

A bone anchor comprising an elongated hollow length, wherein a first portion of the elongated hollow length extends through a second portion of the elongated hollow length.

Systems and methods for detecting spontaneous tissue contraction are described herein. In one exemplary embodiment, a functional response waveform may be processed, including obtaining a first waveform that includes at least one contraction response and at least one relaxation response of the manipulated tissue. A predicted contraction type may be determined from among a plurality of contraction types (e.g., single and dual types) for the first waveform. A model may be fitted to the first waveform based on the predicted contraction type, and the model parameterizes the growth of at least one contraction response of the manipulated tissue independently of the growth of at least one relaxation response of the manipulated tissue. A second waveform may be generated from the model fitted to the first waveform such that the second waveform includes a noise-filtered representation of the first waveform.

A mechanical fixation device for a muscle of an animal's body. A mechanical fixation device (1) for a first connective tissue (11) of an animal's body, particularly the human body or the body of a mammal, comprising: - an interface piece (2), - at least one element (3) for fixing the interface piece (2) to a second connective tissue (12) of that body, and - at least two first mechanical connecting threads (4) intended to be fixed to a first connective tissue (11) or to several first connective tissues (11), and - at least two first needles (5), each first mechanical connecting thread comprising: - a proximal end (41) fixed, in particular knotted, to the interface piece (2), and - a distal end (42) fixed, in particular knotted, to a first needle (5). Figure for the abstract: 1

The invention relates to the field of medical tissue wraps for internal anatomical structures as well as a use and a method of treating a nerve lesion using such medical tissue wraps. In particular, the invention relates to medical tissue wraps for neural tissue supporting the repair of peripheral nerve lesions by facilitating secure application of the medical tissue wrap. Accordingly, a medical tissue wrap (10) for an internal anatomical structure of a mammal is suggested, wherein the medical tissue wrap (10) is formed by a coiled wall (12) having a circumferential inner end portion (20) and a circumferential outer end portion (22) extending around and overlapping the circumferential inner end portion (20). The wall (12) thereby defines a longitudinal through-hole (16) for accommodating a portion of the anatomical structure. According to one aspect of the invention, the circumferential outer end portion (22) is radially spaced-apart from the circumferential inner end portion (20) by a discontinuous spacing in the circumferential direction. According to a further aspect, the tissue wrap comprises a structural outer surface modification at opposing longitudinal end portions of its wall.

A flexible material fixation device configured for fixing a flexible material to a bone, the device comprising: an anchor having a distally tapering structure, the anchor sized and shaped to fit into a hole in a bone, where the anchor is formed from a single unitary portion where the anchor is configured to be inserted into the hole in the bone; the anchor is sized for insertion into a hole in a bone and exerts sufficient pressure on one of the tissue and the artificial material such that the one of the tissue and the artificial material is anchored to the bone.

A method to remove a memory metal orthopedic staple from that is implanted in a bone repair site is disclosed. The orthopedic staple is in its relaxed state and the method includes (a) attaching an inserter tool / cartridge assembly to the orthopedic staple's bridge portion; (b) actuating the inserter tool to change the orthopedic staple from its relaxed state to its insertion state in which the two legs of the orthopedic staple are substantially parallel to each other; and (c) removing the orthopedic staple from the bone repair site.

A transplantable prosthesis for preventing, reinforcing and / or repairing an anatomical defect including a parastomal hernia that can occur after formation of an opening of a stoma or ostomy formed simultaneously with an ileostomy or colostomy. The prosthesis can include a body of a biocompatible material having a preformed three-dimensional channel configured to receive a portion of intestine that has been moved outward and formed simultaneously with parastomal hernia repair or ostomy creation. An adhesion-resistant barrier is located on the inner surface of the channel to isolate a portion of intestine that has been moved outward from the tissue-infiltratable surface of the body and can reduce or eliminate potential adhesion between the body and the intestine that has been moved outward. A portion of the channel can include a flared segment extending from the outer periphery inwardly, and at the open end of the channel, reduces the pressure on a portion of intestine that has been moved outward.

Various methods and devices are provided for a graft fixation device for fixing a graft member within a bone tunnel. In one embodiment, a graft fixation device is provided having a radially expandable sheath adapted to be disposed within a bone tunnel, and a sheath expander adapted to be received within the radially expandable sheath to expand the sheath and thereby anchor a graft between the sheath and the bone tunnel. In an exemplary embodiment, the graft fixation device is particularly useful to affix a graft within a femoral tunnel.

A system and method for processing functional response waveforms obtained from artificial tissue are described herein. In one exemplary embodiment, the system and method includes obtaining a first waveform, which includes the contraction and relaxation responses of the artificial tissue during a contraction-relaxation cycle. A model that independently parameterizes the growth of the contraction and relaxation responses is then fitted to the first waveform. A second waveform is then generated from the model fitted to the first waveform, such that the second waveform includes a noise-filtered representation of the first waveform. Feature values(s) can then be extracted from the second waveform, which can be used to develop artificial intelligence (AI) or, otherwise, for downstream tasks such as drug discovery and development, by performing noise filtering and enabling high-fidelity and large synthetic training datasets.

A transplantable prosthesis for repairing tissue defects comprises a layer of repair fabric and a plurality of microtexture grip segments attached to the repair fabric. The grip segments have perforations on the tissue-facing surface that promote in-growth of tissue.

A graft suspension device for suspending a ligament in a bone hole having a first loop and a second loop suspending from an 8-hole anchor, and a cradle at the opposite end of the loops to the anchor. The loose ends of the suture are routed through holes in the anchor separate from the loops and are joined together to form a single tail. A finger loop allows a surgeon to adjust the distance of the cradle from the anchor with the cradle staying centered with respect to the anchor as the distance is adjusted.

A bone anchor (400), comprising: a bone engaging member (410) comprising: a first proximal bone engaging portion (418) and a second distal bone engaging portion (422); and an expansion feature configured to allow radial expansion of the first bone engaging portion (418) and the second bone engaging portion (422); an expander (700, 800) having: a first proximal expansion portion (710, 810) and a second distal expansion portion (712, 812) the expander (700, 800) being displaceable between a first position relative to the bone engaging member (410) and a second position relative to the bone engaging member (410); a tissue capture feature; wherein the first expansion portion (710, 810) of the expander (700, 800) is configured to expand the first bone engaging portion (418) of the bone engaging member (410) and the second expansion portion (712, 812) of the expander (700, 800) is configured to expand the second bone engaging portion (422) of the bone engaging member (410) when the expander (700, 800) is in the second position, wherein the bone engaging member (410) has two or more types of teeth (428).

A soft suture anchor assembly (100) includes a soft anchor (300) defining a tubular body (302). A locking member (304) has a locking member body (306) coupled directly to and extending distally from the distal end (302b) of the soft anchor (300). The locking member body (306) defines at least one passage (308) therethrough. At least one transfer member (400) extends along the tubular body (302) and through the at least one passage (308) of the locking member (304). The at least one transfer member (400) is configured to draw at least one repair suture through the at least one passage (308) in a first direction. The at least one passage (308) is configured to allow the at least one repair suture to slide freely in the first direction through the at least one passage (308) and to prevent the at least one repair suture from sliding freely in a second direction opposite the first direction through the at least one passage (308).

An implant assembly for introducing and positioning implants within patients may comprise an implant device, an implant, and a sheath. The implant device may include a head, an upper beam, a lower beam, and an implant positioning component. The implant may be disposed between the upper beam and the lower beam and may include a first face engaged with the upper beam and a second face engaged with the lower beam. Additionally, the implant may be at least partially disposed around the implant positioning component. The sheath may be disposed around the implant positioning device and the implant.

Surgical constructs and methods for surgical repairs are disclosed. A surgical construct is in the form of a soft suture anchor with flexible coupler terminating in two opposing ends. One of the two ends forms at least one splice and anchoring loops formed with the other end.

The present invention relates to an artificial ligament (10) comprising a hollow textile sheath (20) receiving a deformable and elastic insert that shifts the rigid deformation phase of said artificial ligament (10) when a longitudinal tensile force is applied to it. Figure for the abstract: Fig. 1.

The application relates to a ligament rupture repair implant, belonging to the field of ligament repair technology, which comprises an implant body and a net body, the implant body is used for being inserted between two ends of a ligament tear, and the net body is provided with one at each end of the implant body, and the net body is circumferentially arranged on the implant body. The application has the advantages that a suture can be easily sutured to the net body circumferentially arranged on the implant body, suture operation of medical staff is facilitated, and in the suture process, the net body can be deformed along with the suture of the suture, the possibility of causing a ligament tear during suture is reduced, and the suture effect of the implant at the ligament tear is improved.