89 results about "Rotator muscles" patented technology

The invention relates to the technical field of sports medicine auxiliary diagnosis, in particular to a rotator cuff tearing recovery evaluation method and system. By combining multiple groups of indexes and image group feature data, the rotator cuff tearing recovery process can be effectively evaluated, score data reflecting the current rotator cuff repair postoperative development state can be obtained, and the postoperative recovery degree and potential risks are more visually determined through the score data. Therefore, automatic evaluation and prediction of the repair process are realized.

The invention relates to the technical field of clinical medicine, and discloses an intertrochanteric fracture postoperative progressive rehabilitation system, which comprises an intertrochanteric fracture comprehensive data acquisition module, a dynamic data monitoring module, a rehabilitation scheme generation module, a rehabilitation execution module, a rehabilitation mode adjustment module, a diet structure adjustment module and a rehabilitation interaction feedback module, the intertrochanteric fracture comprehensive data acquisition module is responsible for acquiring static and semi-dynamic data of a rehabilitation full cycle, the dynamic data monitoring module monitors physiological and motion change data of a patient in daily activities in real time, the rehabilitation scheme generation module generates a personalized stage rehabilitation scheme, and the rehabilitation execution module executes a full-process rehabilitation action. The rehabilitation mode adjusting module is used for adjusting a rehabilitation exercise mode, the diet structure adjusting module is used for optimizing a diet structure, and the rehabilitation interaction feedback module is used for collecting feedback so as to correct the scheme.

The present application relates to a kind of composite rotator cuff patch and its preparation method and application, belong to the field of biomaterials technology.The structure layer and biological layer are all biological medical materials, do not need to introduce crosslinking agent, and by the structure layer and biological layer alternate composite design, avoid the problem that traditional synthetic material is not degradable or short degradation period, with controllable degradation period, improve the tear resistance and mechanical support of patch, effectively reduce the risk of inflammatory response, improve the biocompatibility and safety of patch, finally realize the applicability and effect of improving composite rotator cuff patch in clinical application.

The invention belongs to a biological signal identification and data processing technology, and relates to a multi-sensor fusion action identification system for shoulder rehabilitation evaluation. Comprising a flexible strain sensor, an inertial measurement unit, a multi-channel data acquisition module, a data preprocessing module and an action recognition module, the flexible strain sensor comprises a plurality of sensing areas and connecting areas which are distributed around the rotator cuff area; the multichannel data acquisition module acquires multichannel sensing signals, and the multichannel sensing signals are preprocessed by the data preprocessing module. The action recognition module adopts a multi-modal feature fusion algorithm based on a bidirectional cross-modal interactive attention and time period specificity adaptive weight mechanism to realize dynamic correlation modeling between a strain sensing signal and inertial measurement data in a unified time sequence space, and cross-modal time sequence features are fused; capturing the global and local dependency relationship of the shoulder movement, and recognizing various rehabilitation actions. The method effectively overcomes the static limitation of the prior art, and remarkably improves the precision and robustness of shoulder rehabilitation evaluation.

The invention relates to a composite rotator cuff patch and a preparation method and application thereof, and belongs to the technical field of biological materials. The structural layer and the biological layer are all-biomedical materials, a cross-linking agent does not need to be introduced, the problem that a traditional synthetic material is non-degradable or short in degradation period is solved through the alternate composite design of the structural layer and the biological layer, the degradation period is controllable, the tear resistance and mechanical support of the patch are improved, and the application prospect is wide. The risk of inflammatory reaction is effectively reduced, the biocompatibility and safety of the patch are improved, and finally the applicability and effect of the composite rotator cuff patch in clinical application are improved.

The application belongs to biological signal recognition and data processing technology, and is a multi-sensor fusion motion recognition system for shoulder rehabilitation evaluation. The system comprises a flexible strain sensor, an inertial measurement unit, a multi-channel data acquisition module, a data preprocessing module and a motion recognition module. The flexible strain sensor comprises a plurality of sensing areas and connecting areas distributed around the rotator cuff area. The multi-channel data acquisition module acquires multi-channel sensing signals, which are preprocessed by the data preprocessing module. The motion recognition module adopts a multi-modal feature fusion algorithm based on bidirectional cross-modal interaction attention and time period-specific adaptive weight mechanism to realize dynamic correlation modeling between strain sensing signals and inertial measurement data in a unified time sequence space, fuse cross-modal time sequence features, capture global and local dependency of shoulder movement, and recognize multi-class rehabilitation actions. The application effectively overcomes the static limitation of the prior art and significantly improves the accuracy and robustness of shoulder rehabilitation evaluation.

Described herein are methods for repairing tissues (e.g., a meniscus, anterior cruciate ligament, rotator cuff, etc.) using collagen implants suitable. For example, the collagen implants are injected into a repair site to heal the tissue. Further described are collagen slurries, injectable collagen implants and methods of preparation thereof.

The utility model discloses a shoulder pillow device for limiting an affected limb after a rotator cuff repair operation. The shoulder pillow device comprises a bottom pad and a clamping bag. The bottom pad is arranged from the shoulder of the affected side to the arm of the affected side, so that the shoulder of the affected side is lifted up to the arm of the affected side. The clamping bag is triangular and is clamped between the affected arm and the trunk, one corner of the clamping bag is attached to the interior of the armpit of the affected side, and the space of the armpit of the affected side is filled. When a patient sleeps at night, the patient after the rotator cuff repair lies on the sickbed, the shoulder of the affected side is supported to the height of the arm of the patient through the bottom pad, the abduction angle of the shoulder joint of the affected side is supported through the clamping bag, the clamping bag is attached to the abduction position of the affected limb to be placed, the abduction position braking effect of the affected limb is achieved, postoperative wound growth is promoted, and secondary injury caused by traction due to adduction of the arm of the patient is avoided; and the patient feels comfortable.

The utility model relates to the technical field of locking steel plates for proximal humerus fracture, in particular to a locking steel plate for proximal humerus greater tuberosity rotator cuff stop point fracture, which comprises a locking steel plate body and a top end fixing component used for fixing a small fracture block of a rotator cuff stop point, the top end fixing assembly comprises a positioning plate integrally connected with the top end of the locking steel plate body, a screw hole and a suture hole which are formed in the positioning plate, and a screw which penetrates through the screw hole to fix the positioning plate and a small fracture block at a rotator cuff dead point on a proximal humerus greater tubercle; the top end fixing assembly is arranged on the locking steel plate body, the positioning plate extends in the direction away from the top end of the locking steel plate body and covers a rotator cuff stop point, and the positioning plate and the top end of the locking steel plate body form an attaching face attached to the proximal humerus greater tubercle. And the firm fixation of the rotator cuff dead point bone block is realized.

Described herein are methods for preparing collagen slurries and collagen implants suitable for injection into a repair site to repair a tissue, for example, an anterior cruciate ligament, rotator cuff tendon, and / or a meniscus. Further described are slurries and implants prepared by such methods.

The utility model relates to a rotator cuff patch fixator, and relates to the technical field of rotator cuff injury repair, the fixator comprises an implanting machine and a fixing piece, the implanting machine is used for nailing the fixing piece into a rotator cuff and fixing a rotator cuff patch on the rotator cuff, and the implanting machine comprises a shell, a fixing piece and a fixing piece, the two groups of guide rails are arranged in the shell and are used for guiding the fixed part; the pushing part is used for pushing the fixing part to slide in the shell, pushing the fixing part out of the shell and nailing the fixing part into the rotator cuff; and the driving piece is used for driving the pushing piece to reciprocate. The shell abuts against the rotator cuff patch, the pushing piece is driven by the driving piece to slide towards the side close to the rotator cuff patch, the fixing piece on the guide rail is pushed by the pushing piece to slide forwards, and finally the fixing piece on the guide rail is pushed to penetrate through the rotator cuff patch and be inserted into the rotator cuff tissue, so that the rotator cuff patch is fixed; the operation difficulty of doctors is reduced; and the implantation efficiency is improved.

The present disclosure provides a shoulder prosthesis. The shoulder prosthesis includes a glenoid component, a humeral component, and an articulation component. The glenoid component includes a glenoid body having a proximal side and a distal side, the distal side shaped to engage with a resected portion of a glenoid cavity. The humeral component includes a humeral body having a proximal side and a distal side, the distal side shaped to engage with a resected portion of a humerus. The articulation component is positionable between the proximal side of the glenoid component and the proximal side of the humeral component, the articulation component configured to be maintained between the glenoid and humeral components, after implantation, by at least one of a deltoid muscle and a rotator cuff.

Methods and apparatus for creating a seam like array of suture stitches joined in series by sequential anchors in bone. The anchors are transtendon implants positioned through the tendon in the original tendon footprint and each array includes four or more anchors. The seam like array extends across at least a portion of the tendon. The stitches can extend generally perpendicular to the direction of the tendon orientation. In rotator cuff repair, the anchors are positioned in the original footprints of the infraspinatus and / or supraspinatus tendons and the seam like array extends in an anterior to posterior direction across the particular tendons torn and repaired. The entire array of anchors can be positioned in the medial half of the original footprints.

The invention discloses a variable-diameter labor-saving humerus prosthesis for rotator cuff deficiency. The variable-diameter labor-saving humerus prosthesis comprises an outer-layer humerus head prosthesis and an inner-layer humerus head prosthesis, wherein the appearance of the outer humerus head prosthesis is of a partial spherical structure, and the diameter of the outer humerus head prosthesis is larger than that of a physiological humerus head of a patient; the appearance of the humerus head prosthesis connected with the inner layer of the humerus handle is of an over-hemisphere structure or a complete spherical structure; at least the part, exceeding the hemisphere, of the inner-layer humerus head prosthesis is embedded in the outer-layer humerus head prosthesis, and the inner-layer humerus head prosthesis can rotate in a universal mode in the outer-layer humerus head prosthesis; the sphere center of the inner humerus head prosthesis is deviated to the globe top side of the outer humerus head prosthesis relative to the sphere center of the outer humerus head prosthesis, so that the rotation center of the prosthesis moves inwards, the arm of force is increased, the labor-saving effect of the upward lifting action is achieved, and it is guaranteed that the tensioned deltoid muscle can complete the initial 30-degree upward lifting action; a middle buffer structure passing through a hemisphere can be arranged between the two layers of prostheses, so that the structural stability of the whole prosthesis in use is ensured on the basis of ensuring that the arm of force is increased to the maximum extent.

This invention provides a humeral support device, relating to the field of medical devices. The support device includes a first support portion, a second support portion, and a connecting portion, with the first and second support portions fixedly connected via the connecting portion. The first support portion has multiple first through holes, and the second support portion has multiple second through holes. A first fastener secures the first support portion to the lesser tubercle of the humerus through the first through holes, and a second fastener secures the second support portion to the anteromedial aspect of the humerus through the second through holes. The implantation direction of the first and / or second fasteners intersects the plane of motion of the humerus rotating about the sagittal axis relative to the shoulder joint. By limiting the implantation direction of the fasteners to intersect with the direction of the rotator cuff traction force, it can directly support the medial aspect of the humerus and effectively resist the humeral inversion force caused by the rotator cuff, reducing the risk of secondary humeral displacement caused by rotator cuff traction and improving postoperative stability.

Determining properties of muscle structures using artificial neural networks. Techniques for determining a quantification of at least one property of a muscle structure including at least one muscle and at least one tendon are disclosed. A quantification of at least one property of a rotator cuff can be determined by using at least one artificial neural network and based on one or more medical images depicting the muscle structure of a patient.

The invention belongs to the field of medical treatment, and provides a multidirectional adjustable rotator cuff injury accurate detection device based on ultrasonic guidance, which comprises a mounting mechanism, the mounting mechanism comprises a mounting side plate, the bottom of the mounting side plate is hollow, and an electric hydraulic push rod is arranged in the mounting side plate. A rotating mechanism is arranged at the bottom of the electric hydraulic push rod, the rotating mechanism comprises a mounting block, a moving mechanism is arranged on the side face of a mounting side plate, and a first inspection mechanism and a second inspection mechanism are arranged below the moving mechanism. By adopting non-fixed installation, the device is more convenient to install and detach, and can be adjusted in multiple directions, so that the examination range of the device is expanded, and the device can be adjusted in multiple planes to adapt to the complex anatomical structure of the rotator cuff.

The invention discloses a 360-degree all-dimensional motion T-shirt production method and a T-shirt. The method comprises the steps that the adaptability of the T-shirt to 360-degree composite motion is achieved by adopting the combination mode of rotator cuff structure optimization, armpit area integrated design, front fly seamless adhesive pressing treatment, three-dimensional model adaptation and stress concentration area seamless weaving; the rotator sleeve structure is optimized to adopt a small-angle rotator sleeve connecting design; the integral design of the armpit area is that the sleeve bottom cutting piece, the front side piece and the rear side piece are integrally cut; the seamless adhesive pressing treatment of the top fly is that an ultrasonic seamless adhesive pressing process is adopted on the top fly; according to the three-dimensional model, the abdomen allowance is increased on the front piece, and a hidden waist tightening structure is formed on the rear piece through side abutted seam dart waist tightening. The seamless weaving of the stress concentration area is that a seamless weaving technology is adopted in the shoulder transition area and the armpit stress concentration area. According to the method, the comfort, the degree of freedom and the durability in the movement process are remarkably improved.

Provided herein are chondro-promotive nanogels, and multilayer membranes with one layer including a dispersion of the chondro-promotive nanogels, and another layer including encapsulated osteo-promotive agents. The provided materials are particularly useful for guiding fibrocartilaginous interface regeneration in a subject having an injured tendon–bone interface. Also provided are methods of producing the disclosed multilayer membranes, and methods of using the multilayer membranes for repair of tendon–bone interfaces.

The utility model relates to the field of medical instruments, in particular to a forceps head and grasping forceps for a rotator cuff suturing operation, and the forceps head for the rotator cuff suturing operation comprises an upper clamping jaw, a lower clamping jaw, a lower clamping jaw, an upper clamping jaw and a lower clamping jaw, and the lower clamping jaw is hinged with the upper clamping jaw and is provided with a lower through hole through which a suture line penetrates, and the lower through hole is opposite to the upper through hole when the forceps head clamps the rotator cuff. According to the forceps head for the rotator cuff suture operation, the problem that in the existing rotator cuff suture operation process, a surgeon difficultly hooks a suture line drilled out of the lower surface of a rotator cuff and pulls the suture line back to the upper surface of the rotator cuff through tools such as a line hooking device, and consequently time and labor are wasted in the threading process of the rotator cuff suture operation is solved; therefore, when the rotator cuff is clamped and fixed, a surgeon can simply, conveniently and quickly thread the rotator cuff.

An apparatus to facilitate effective pectoral fly and shoulder rotation exercises comprises a base platform, an adjustable seat, and a frame with a backrest. The apparatus comprises at least a pair of lever mechanisms with two or more levers connected to a first weight stack via a cable-and-pulley system. One or more rotating members are pivotally connected to the levers, to allow the user to perform shoulder rotation exercise by rotating the rotating member about its pivot ends, while enabling rotational movement of the rotating member along a rotational axis, parallel to a horizontal axis of the apparatus, to effectively activate rotator cuff muscles of the user. The rotating member includes a handle configured to allow the user to grip the handle and rotate the rotating member in up-and-down direction to perform shoulder rotation exercise and rotate the levers towards a central axis of the apparatus to perform pec fly exercise. The apparatus includes range controllers to control resistance provided by the weight stacks for performing the pec fly and shoulder rotation exercises and adjust range of motion of the pec fly and shoulder rotation exercises.

The invention relates to the technical field of biomedical materials, and discloses a rotator cuff repair patch and a preparation method and application thereof, and the method comprises the following steps: spinning solution preparation, electrostatic spinning, porous membrane preparation, composite assembly and post-treatment. Through gradient degradation collaborative design of a polyglycolic acid PGA nanofiber layer and a polylactic acid co-caprolactone PLCL porous membrane layer, the PGA layer rapidly degrades and releases acidic metabolites to activate a local microenvironment restoration mechanism, the PLCL layer maintains long-term structural stability, a space-time dual regulation effect is formed, the requirements for early inflammation regulation and later mechanical support of rotator cuff tendons are met, and the application prospect is broad. The bionic anchoring structure of the extension wing part and the suture hole covers a tendon-bone interface in a wrapping manner and optimizes suture tension distribution, so that the stress concentration phenomenon of a traditional patch is eliminated, and the mechanical self-adaption of the implant under a dynamic load is realized.

The invention relates to the technical field of medical surgery, and discloses an improved parachute technology and bone marrow stimulation combined rotator cuff repair method, which comprises the following steps: establishing at least five operation admission paths: a posterior lateral admission path, an anterior lateral admission path, a far-end anterior lateral admission path, a posterior lateral front admission path and a BMS (Battery Management System) and anchor channel admission path, and bone marrow stimulation operation is carried out in the rotator cuff footprint area, specifically, a drill bit with the diameter being 2 mm is used for drilling holes with the hole depth being 5 mm and the interval being 5 mm till bone marrow seeps out, and at least one inner side anchor nail is placed at the position about 2 mm away from the outer edge of the joint cartilage of the humerus head and close to the front edge of the rotator cuff tear. According to the improved parachute technology and bone marrow stimulation combined rotator cuff repairing method, the improved Mason-Allen suture bridge technology and the bone marrow stimulation technology are organically combined, a parachute suture structure is introduced, double optimization of mechanical stability and biological healing is achieved, meanwhile, the parachute structure only needs three times of threading, the threading path is clear, the operation is simple, and the operation is convenient. The operation difficulty is obviously reduced, the operation time is shortened, and the iatrogenic injury to the tendon tissue is reduced.

To address such a problem that in a case of distal clavicle fractures requiring osteosynthesis, even when being fixed using a hook plate or tension band fixation, problems such as rotator cuff tears, restricted range of motion, acromial resorption, or insufficient fixation strength have been observed.SOLUTION: A distal end of a plate stem and a bent part allow for fixation of a distal bone fragment to a proximal bone fragment. When a locking screw is fixed within a bone marrow through a hole in the bent part, complications associated with hooks of conventional hook plates are eliminated and an effect similar to that of a hook plate is achieved. In addition, a tension band fixing method, etc. can be performed through the hole of the bent part. This solves problems such as the rotator cuff tears, restricted range of motion, acromial resorption, or insufficient fixation strength. It can also be applied to fractures other than acromioclavicular joint dislocation and distal clavicle fractures.SELECTED DRAWING: Figure 5

The application provides a composite material rotator cuff patch and a preparation method thereof, and belongs to the technical field of biomaterials. First, a fabric is sequentially subjected to immersion treatment and freeze drying to obtain a single-layer mesh composite; then the single-layer mesh composite is sequentially subjected to rehydration, stacking, immersion treatment and freeze drying to obtain a multi-layer stacked composite; finally, the multi-layer stacked composite is sequentially subjected to crosslinking treatment and sterilization treatment, and a composite material rotator cuff patch with a thickness of 0.5-8 mm is obtained, which can be cut into a "chevron" shape in the thickness direction to wrap a tendon stump when in use, and the use method is flexible. The composite material rotator cuff patch prepared by the application has good mechanical properties and biocompatibility, can provide sufficient mechanical support in the early implantation period, can promote tissue regeneration, can repair damaged tendons and can reduce the re-tear rate.

The application discloses a micro-nano dual-phase structure scaffold for shoulder rotator cuff tissue regeneration, a preparation method and application. The micro-nano dual-phase structure scaffold comprises an oriented nanofiber membrane in an upper layer and a porous micrometer fiber scaffold in a lower layer of the oriented nanofiber membrane; the oriented nanofiber membrane comprises a first high-molecular polymer-small-molecule drug; the porous micrometer fiber scaffold comprises a second high-molecular polymer, and the porous micrometer fiber scaffold is loaded with one or more of a small-molecule compound, an inorganic mineral and a bioactive ion. The micro-nano dual-phase structure scaffold is particularly suitable for tissue regeneration and repair under a complex interface environment at a rotator cuff insertion. Through the synergistic effect of a biomimetic hierarchical design and biochemical regulation, the micro-nano dual-phase structure scaffold can realize the gradient heterogeneity regulation of an immune microenvironment and induce a biomechanics-biology adaptive response while realizing the differentiation repair function of a tendon and a bone, and finally realizes the biomimetic reconstruction of a rotator cuff injury.

The present invention provides a knotless anchoring suture for reconstructing ruptured rotator cuff and ligament tissue, comprising a suture member (100) extending elongate in a longitudinal direction; and a sewing member (100). The structural member (200) is partially coupled to the other end of the suture member (100) and moves relative to the suture member (100) to be bundled together; the present invention relates to a suture assembly comprising a protrusion or a storage protrusion protruding from the suture member, which can form a mutual snap with the human body, and when the surgeon pulls the knots in a direction opposite to the insertion, the knots can be bundled together and increased in thickness and size, which has the advantage of allowing the surgeon to securely pull the suture.

Described herein are collagen slurries and collagen implants suitable for injection into a repair site to repair a tissue, for example, an anterior cruciate ligament, rotator cuff tendon, and / or a meniscus. Further described are systems including collagen implants, methods of preparing collagen slurries and implants, and methods of use thereof.

The application provides a graphene oxide hydrogel for treating rotator cuff injury and a preparation method thereof, and relates to the technical field of medical materials. The preparation method comprises the following steps: uniformly dispersing graphene oxide into water to form a graphene oxide suspension; dissolving a water-soluble synthetic high-molecular skeleton material in water to obtain a skeleton material solution, and then adding a pore-forming auxiliary agent to form a mixed solution after dissolution; and sequentially adding the graphene oxide suspension, an anion crosslinking agent and a solution stabilizer into the mixed solution, and then uniformly mixing, cooling to room temperature, low-temperature freezing and freeze-drying to obtain the graphene oxide hydrogel. In-vivo evidence is provided, which proves for the first time that the above material can promote microfracture treatment of rotator cuff injury and significantly enhances tendon-bone healing in a rat model. A transformable combination strategy is verified, which directly solves the limitation of microfracture lacking of a support, and provides a promising method for improving rotator cuff repair.

The invention relates to the technical field of medical instruments, and discloses a surgical retractor for rotator cuff repair, which comprises a first retractor ring and a retractor unit arranged on the inner wall of the first retractor ring, and the retractor unit comprises a universal component arranged on the inner wall of the first retractor ring; the universal component comprises a second drag hook ring arranged on the inner wall of the first drag hook ring and a third drag hook ring arranged on the inner wall of the second drag hook ring, and by arranging the drag hook rod controlled by the pedal inflation pump, medical staff can conduct drag hook expansion on the tissue area of a patient without help of other people, and therefore the medical staff can conduct expansion on the tissue area of the patient. The retractor is simple in structure and convenient to use, the retractor process is stable, the stability of the operation view field is facilitated, by arranging the multiple retractor rings, when the retracted angle needs to be adjusted, one of the retractor rods can be folded firstly, the position of the retractor rod can be adjusted, the positions of the multiple retractor rods are sequentially adjusted in a reciprocating mode, and then the retraction angle and range can be adjusted.