55 results about "Rotator cuff" 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 invention discloses a continuous suturing rotator cuff stitching instrument which comprises a supporting tube and is characterized in that a stitching tube is arranged on one side of the supporting tube, a right needle clamping seat and a left needle clamping seat are arranged on the two sides of the end of the stitching tube respectively, a connecting seat is arranged on one side of the supporting tube, and an adjusting seat is arranged on one side of the connecting seat. A sewing operation mechanism is arranged in the adjusting seat; one side of the right needle clamping seat and one side of the left needle clamping seat are provided with a right needle clamping hole and a left needle clamping hole respectively, and the right needle clamping seat and the left needle clamping seat are further internally provided with needle body fixing and adjusting mechanisms used for controlling suture needle bodies to be alternately fixed and completing continuous suture. Alternate and continuous suturing of tissue can be achieved, suturing efficiency in an operation is greatly improved, operation difficulty is reduced, uniform suturing force can be applied to the right needle clamping base and the left needle clamping base, puncture efficiency of the suturing needle is improved, and meanwhile suturing precision is 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.

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 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.

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.

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 relates to the technical field of rotator cuff sewing, and particularly discloses a rotator cuff sewing thread passing device which comprises a grip and a supporting tube fixedly connected to the upper end of the grip, a trigger is connected to the grip through a shaft and connected with a puncture tube through a driving mechanism, and the driving mechanism comprises a synchronous seat connected to the lower surface of the tail end of the puncture tube. The lower end of the synchronous seat is of an n-shaped structure, bent notches are evenly formed in the middle of the lower surface of the puncture tube, the puncture tube is connected with the supporting tube through a bending mechanism, the bending mechanism comprises an L-shaped supporting seat fixedly connected to the supporting tube, and the supporting tube is further connected with a wire inlet seat through a U-shaped supporting seat. And a wire inlet pipe is connected to the wire inlet seat in a penetrating manner. According to the invention, thread passing can be conveniently carried out in a rotator cuff repair operation, and the defects that a suture hook thread passing device excessively depends on doctor experience or an inner core blade of a suture gun is broken and the like are overcome.

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.

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 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 belongs to the technical field of medicine, and particularly relates to a BME-SIS biological membrane and a preparation method and application thereof. The BME-SIS biological membrane is prepared by screening a preparation process, based on SIS material, and through composite culture with BMSCs and decellularization treatment. The BME-SIS biological membrane has good decellularization effect, and avoids the problem of insecurity caused by xeno / allograft transplantation. Compared with SIS material, the BME-SIS biological membrane has the effect of significantly promoting cell adhesion, proliferation and differentiation. When applied to a rat rotator cuff tear model, the BME-SIS biological membrane of the application is confirmed to have the effect of significantly promoting rotator cuff tear healing from multiple aspects of molecular, histological, motility, mechanical and imaging, is beneficial to reducing the risk of postoperative re-tear of the rotator cuff, and has stability in the treatment effect. The BME-SIS biological membrane of the application can be used for biological repair patches, and has good prospects in the aspect of rotator cuff tear healing.

The invention discloses a manufacturing technology and device for an osteoporosis huge rotator cuff sewed absorbable button, and aims to provide the manufacturing technology and device for the osteoporosis huge rotator cuff sewed absorbable button with enhanced absorbability and strength. The preparation method comprises the following steps: 1, uniformly blending PLLA particles and beta-TCP powder; 2, granulating the blended composite material into uniformly dispersed composite master batches by using an extruder, and removing the moisture of the composite master batches to fully dry the composite master batches; 3, the dried composite master batch is subjected to injection molding to form the absorbable part; fourthly, the formed absorbable button parts are automatically positioned and placed in batches through a feeding tray in a preparation chamber, and the annealing transformation temperature is prepared; and 5, the feeding tray is put into an annealing chamber for temperature control annealing. The preparation method has the beneficial effect that the absorbable button which is high in mechanical support and absorbable integration degree and is suitable for seaming the huge raglan rotator cuff with osteoporosis is prepared.

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 invention discloses a method for simultaneously detecting residual quantity of EDC and EDU in a rotator cuff patch. According to the present invention, acetonitrile and methanol are respectively added to perform extraction treatment on the rotator cuff patch, an ultra-high performance liquid chromatograph-mass spectrometer is adopted to detect the extraction liquid, and the residual amounts of EDC and EDU in the rotator cuff patch are calculated by using an external standard method according to a linear regression equation. The detection method is good in repeatability, high in sensitivity, simple, rapid, accurate in result and suitable for detecting the residual quantity of EDC and EDU in the rotator cuff patch, and the appearance time, parent ions and corresponding qualitative and quantitative ion information of EDC and EDU can be rapidly obtained by directly analyzing the standard solution through an ultra-high performance liquid chromatograph-mass spectrometer. By defining the key parameters, a targeted quantitative detection method can be directly established without a complicated pre-experiment or parameter exploration process, so that the development period of the method is effectively shortened, and the establishment efficiency and convenience of the detection method are improved.

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 application discloses a preparation method of a multi-phase "core-shell" biomimetic tissue engineering support, and constructs a multi-phase "core-shell" in-situ biomimetic support to promote the reconstruction of a rotator cuff tendon-bone interface; the support is made of PCL / PEO biological materials and mixed with a plurality of bioactive factor microspheres, the support fiber is a "core-shell" structure, the "shell" contains SDF-1 chitosan slow-release microspheres, the "inner core" is a bone tissue layer, a fibrocartilage layer and a tendon layer, the layers are continuously printed, the spatial distribution of various factors is fine and controllable, the tendon-bone interface is reconstructed in a biomimetic manner, the sequential controllable release of SDF-1 in the outer layer and various differentiation induction factors in the inner core is realized by using the "core-shell" structure fiber, the endogenous MSCs recruitment and the ordered directional differentiation of each layer are promoted, and the application develops an electrohydrodynamic coaxial 3D printing technology on the basis of the electrohydrodynamic printing technology, and constructs a multi-phase "core-shell" in-situ biomimetic support to promote the reconstruction of the rotator cuff tendon-bone interface.

Provided is a method performed by an apparatus for reading a shoulder disorder, the method including acquiring medical data including a shoulder image; preprocessing the acquired medical data; inputting the preprocessed medical data into a pre-trained neural network model to read a tear state of a rotator cuff; and generating result information on the medical data based on the read tear state of the rotator cuff.

The utility model relates to the related technical field of medical assistance, in particular to a rotator cuff cold and hot compress pad which comprises a water injection pad, and a sealing valve mechanism is arranged on the surface of one side of the water injection pad. According to the cold and hot compress pad for the rotator cuff part, the sealing valve mechanism is arranged, when the sealing valve mechanism is sealed, spring force enables a top plate to tightly press a valve shell, a sealing block is clamped into a sealing groove, and a sealing strip enters the sealing groove to prevent water leakage, when water is injected, an external device is connected with a clamping block to inject water, water applies force to the top plate, the spring force is overcome to enable all parts to move, and the sealing strip is separated from the groove; when a plurality of groups of water injection pads are spliced, a valve shell of one water injection pad is inserted into a water inlet of another water injection pad, a clamping block extrudes a top plate to enable a valve to be communicated, and the two groups of water injection pads are bonded and fixed through a loop surface and a hook surface of a hook-and-loop fastener and can be flexibly adjusted and attached to a curve according to a rotator cuff. The cold and hot compress effect is enhanced.

The present invention relates to a pharmaceutical composition for preventing or treating rotator cuff laceration comprising, as active ingredients, deteptided collagen and induced pluripotent stem cell-derived tendinocytes, and has confirmed that the induced pluripotent stem cell-derived tendinocytes have excellent adhesion and viability, can be used to produce a cell-support complex, and can be used to treat rotator cuff laceration. Especially, the compound with the detelopeptide collagen can enable cells to survive and maintain for a long time in the rotator cuff lacerated tissue. Furthermore, the apotelocollagen-induced pluripotent stem cell-derived tendinocyte complex exhibits a more excellent therapeutic effect than other complexes in terms of mechanical strength recovery and tissue regeneration promotion, and thus can be effectively used as a preparation for preventing or treating rotator cuff tear.

A novel device for bioinductive implant placement in an in vivo surgical site, and method of use thereof, is disclosed. Sequential actuation of a series of levers (or other actuation means) operates to allow for expansion or splaying of a bioinductive implant patch, such as a patch comprised of collagen fibers, over an in vivo surgical site such as a torn tendon in a shoulder rotator cuff. With the patch expanded, it may be surgically fixed in place and provide for more efficient and thorough healing and repair of the tendon.