12 results about "Ligament repair" patented technology

A device and system for inserting and impacting bone dowel allografts or bone chips into a bone tunnel. The surgical impacting system includes a surgical tamp having a proximal end and a distal end with an elongated shaft extending therebetween. The surgical tamp has an inner channel extending therethrough from the proximal end to the distal end. The distal end of the surgical tamp can have a distal tip. The surgical tamp may have a handle at the proximal end or a proximal tip at the proximal end. The surgical tamp may also have one or more slots extending through the exterior surface of the elongated shaft and into the inner channel. The surgical tamp can be configured for insertion into a delivery tube. The delivery tube serves the purpose of containing a bone dowel or bone chips therein for smooth insertion into the joint.

The invention discloses a double-anchoring ligament repair fixing nail with wing anchoring, and belongs to the field of medical instruments, the double-anchoring ligament repair fixing nail comprises a nail body comprising a nail point and a nail cylinder, and the nail point is used for penetrating into a skeleton; the inside of the nail barrel is hollow and is provided with an internal connecting thread; the operating rod and the anchoring piece are rotationally connected with the nail point, and the rotating axes of the operating rod and the anchoring piece are perpendicular to each other; the adapter barrel is arranged between the operating rod and the nail barrel, and an outer connecting thread is arranged on the outer wall of the adapter barrel and matched with the inner connecting thread; wherein the operating rod is detachably connected with the adapter cylinder, and when the operating rod drives the adapter cylinder to rotate, the nail point and the nail cylinder are indirectly driven to generate axial relative displacement through interaction of the inner connecting thread and the outer connecting thread, so that the anchoring piece expands outwards in the process of approaching the nail cylinder along with the nail point and pierces the wall of a bone channel to move outwards; and holding force is actively provided for the fixing nail. By means of the arrangement, the device can actively pierce the wall of a bone channel after being arranged in the bone channel so as to provide initial holding force.

This invention provides a biomimetic periodontal complex multilayer hydrogel tissue engineering scaffold, its preparation method, and its application, relating to the technical field of tissue engineering scaffolds. The biomimetic periodontal complex multilayer hydrogel tissue engineering scaffold comprises, from the inside out, a cementum repair layer, a periodontal ligament repair layer, and an alveolar bone repair layer; the cementum repair layer and the alveolar bone repair layer include a mineralized hydrogel layer; wherein the raw materials for preparing the mineralized hydrogel layer include modified hyaluronic acid, methacrylamide type I collagen, and hydroxyapatite; the alveolar bone repair layer includes a non-mineralized hydrogel layer; wherein the raw materials for preparing the non-mineralized hydrogel layer include modified hyaluronic acid, methacrylamide type I collagen, and fibrin I. This invention precisely matches the mechanical and biological requirements of each layer of the periodontal complex through a three-layer structure, a reversibly hydrazone-regulated viscoelastic gradient, and a differentiated biochemical microenvironment of nHAp / FBN1.

The embodiments herein provide shape-transforming pharmaceutical compositions and modular kits for the treatment of soft and hard tissue injuries, bone and joint defects, tendon and ligament repair, and surgical or organ exposures. The compositions comprise sterile, dry adsorbent composite polymer particles that are hydrated in situ with a sterile liquid containing one or more pharmaceutical agents. Hydration causes the particles to aggregate and transform into a conforming, shape-retentive device that provides extended coverage and sustained or controlled drug release. Kits enable powders and liquids to be applied sequentially or simultaneously, allowing tailored therapy at the point of care. Therapeutic agents may include antimicrobial, anti-inflammatory, hemostatic, regenerative, or analgesic compounds. These devices retain structure for extended durations, support customizable release kinetics, and may serve as a temporary implant to protect tissue while delivering localized therapy. The invention provides a versatile platform for prolonged, modular drug delivery across clinical and surgical settings.

Compositions comprising a condensed mesenchymal cell body and a hydrogel are provided. The compositions may further include drugs or growth factors. The condensed mesenchymal cell body may include a connective tissue cell, or even a progenitor cell capable of producing connective tissue extracellular matrices such collagen and glycosaminoglycan. Also provided are methods of treating connective tissue defects, cartilage injury, and cartilage degradation.

The application discloses an anti-wrinkle firming soothing efficacy component combination based on skin cell energy and application, and belongs to the technical field of cosmetics. The composition comprises EPHMER mitochondrial marine protective factors, adenosine silanol, DPHP ligament repair factors and AQUXYL five-dimensional barrier repair factors in specific proportions. The application takes mitochondrial energy metabolism as the core, constructs a "protection-energy supply-repair-barrier" multi-pathway synergistic system, and breaks through the single target limitation of traditional anti-aging components. The composition can specifically target mitochondria, significantly increase the ATP content of cells, efficiently promote collagen synthesis, strengthen the skin barrier and reduce irritation, and is especially suitable for sensitive skin anti-aging. Through cell, 3D skin model and human body test verification, the composition shows significant and mild effects in terms of anti-wrinkle, firming and soothing. The composition provided by the application can be widely applied to cosmetics such as essence and cream.

Methods and devices for the repair of a ruptured ligament using a scaffold device are provided. Aspects of the invention may include a scaffold attached by one or more sutures to one or more anchors. In aspects of the invention, the anchors may be secured to a bone near or at the repair site.

The self-cinching adjustable loop suture construct includes a suture strand having a first end, a second end, and an adjustment loop. The end loop is disposed at the first end, and a continuous loop is disposed on the suture strand at the adjustment loop, the continuous loop being movable along the suture strand at the adjustment loop. A self-cinching section is disposed on the suture strand between the adjustment loop and the end loop. An anchor is disposed in the end loop. A shuttle suture is disposed in the continuous loop, and a threading suture is disposed in the end loop. The suture construct provides a self-cinching adjustable loop tensioning device for securely fastening tissue that can be securely fastened without the use of knots to maintain tension during ligament repair or reconstruction.

Methods and devices for the repair of a ruptured ligament using a scaffold device are provided. Aspects of the invention may include a scaffold attached by one or more sutures to one or more anchors. In aspects of the invention, the anchors may be secured to a bone near or at the repair site.

The invention relates to the technical field of ligament repair, in particular to an ACL stump high-strength line suture and bone tunnel assembly traction fixing method which comprises the steps of ACL tearing type exploration, thighbone and tibia bone tunnel establishment, stump high-strength line suture, miniature steel plate fixation, adjustable loop tension adjustment, outer row anchor nail reinforcement and the like. The special instrument combination comprises a high-strength line, a line passing gun, a micro-fracture tool, a tibia locator, a micro steel plate, an adjustable loop and an outer row of anchor nails. By optimizing the surgical operation process and the synergistic effect of multiple components, the surgical accuracy, the fixing stability and the postoperative healing effect are improved, and the reliability and recovery efficiency of ligament repair are remarkably improved.

The utility model relates to ankle joint protector technical field, especially a kind of protector for ankle joint ligament repair.Its technical scheme includes: detachable ankle brace and hard ankle protector, the hard ankle protector can be used alone or cooperate with detachable ankle brace, fixed installation in hard ankle protector and cover in whole ankle joint and atmosphere bag of foot, small air bag connecting piece is movably installed on hard ankle protector, small air bag connecting piece is installed with the small air bag for providing accurate target pressing mechanics stimulation on it.The utility model adopts the design of atmosphere bag and small air bag combination.Atmosphere bag is used to eliminate lower limb ankle joint swelling, promote blood circulation through extensive pressure distribution, reduce swelling and pain.Small air bag provides accurate pressurization to ligament local, promotes the healing and regeneration of ligament through accurate mechanics stimulation.This design ensures the comprehensiveness of treatment, and improves the pertinence and efficiency of treatment.

An arthroscopic system for repairing torn ligaments is provided. An aspect of the present invention includes a scaffold that surrounds a graft, is attached to a fixation device by sutures, and is inserted into the repair site via an arthroscopic instrument. The scaffold, graft, and sutures are further fixed near or to the repair site via an arthroscopic instrument having an elongated delivery member containing the scaffold, graft, and sutures, prior to insertion of the scaffold, graft, and sutures into the repair site.