130 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 utility model relates to a rotator cuff stitching instrument which aims to solve the problem that a puncture core needle is broken. Comprising a front suturing part, a middle conduction part and a rear handle control part, and the front suturing part comprises an end-ring-shaped upper fixed lip valve used for clamping rotator cuff tissue and a needle-tube-shaped lower movable lip valve capable of being controlled to be folded upwards; the front end of the needle-tube-shaped lower movable lip valve is communicated with an upward tubular needle head used for penetrating through the upper fixed lip valve end ring upwards, and the PDS degradable suture line penetrates out of the upward tubular needle head through the needle-tube-shaped lower movable lip valve. The upper end of the upward tubular needle head is a beveled tube head needle opening with a backward opening. And the upper part of the upward tubular needle head is bent backwards in an arc shape. The disposable puncture core needle has the advantages that the problem that the disposable puncture core needle is broken during suturing is solved, the cost of the puncture core is saved, and the damage to the rotator cuff is small.

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.

The invention discloses a rotator cuff patch and a preparation method thereof, and belongs to the technical field of repair materials. According to the preparation method provided by the invention, the bioactive material is combined, the fibers are gradually transited from random arrangement to aligned arrangement through electrostatic spinning, the difference of fiber orientation structures between the random fiber layer and the aligned fiber layer is effectively reduced, and the bonding force between the layers of the patch is greatly enhanced in cooperation with steam welding treatment; the layering phenomenon is effectively avoided; the tensile strength of the rotator cuff patch prepared by the method reaches 18 MPa, and the rotator cuff patch has excellent mechanical properties, can meet the requirements on flexibility and tear resistance during sewing, can provide enough mechanical support for the rotator cuff in the repair process, and adapts to the complex shoulder movement environment.

The present invention provides a method and system for locating shoulder cysts based on magnetic resonance imaging (MRI) images, which relates to the technical field of medical image processing. The method includes: acquiring multiple MRI images; respectively constructing a target detection model for the humeral head region and a target detection model for cysts based on a deep learning algorithm; inputting the MRI images into the target detection model for the humeral head region for detection and outputting an image of the humeral head region; inputting the image of the humeral head region into the target detection model for cysts for detection and outputting an image of the cyst region; and determining the position of the cyst according to the center point coordinates of the cyst region image through a spatial positioning algorithm. The present invention reduces the influence of MRI images by speckle noise and echo perturbation, as well as the dependence on doctors' cognitive abilities and clinical experience, improves the image quality, makes the difference between cysts and normal tissues more obvious, and avoids confusing cysts with fluid accumulation caused by rotator cuff injuries.

The invention provides a swim bladder-based bioactive patch for rotator cuff tendon repair and a preparation method thereof, and relates to the technical field of biological materials.The swim bladder-based bioactive patch is composed of a swim bladder substrate and a metal-phenol toughening network component, has good tensile strength and biological activity and can be used for repairing rotator cuff tendons. The compound can support cell adhesion and proliferation, stimulate differentiation and phenotype maintenance of various cells derived from tendon-bone tissue, and is expected to be used for repairing rotator cuff tendon injury and promoting tendon-bone healing. Besides, the invention provides a preparation method of the swim bladder-based rotator cuff patch, a special microstructure of directionally arranged nano-matrix fibers is reserved, and a metal-phenol network further plays roles in toughening the patch and enhancing the biological activity of the material. Particularly, the metal-network has an active oxygen free radical response function, excessive free radicals at the shoulder joint part can be removed, and metal ions are released, so that the patch has the effects of resisting bacteria, resisting inflammation, resisting oxidation and improving healing.

The invention belongs to the technical field of medicines, and particularly relates to a BME-SIS biological membrane as well as a preparation method and application thereof. The BME-SIS biological membrane is provided through a screening preparation process based on an SIS material and through composite culture and decellularization treatment of the SIS material and BMSCs. The BME-SIS biological membrane has a good decellularization effect, and avoids the problem of insecurity caused by xenograft / allograft; compared with an SIS material, the BME-SIS biological membrane has the effects of remarkably promoting cell adhesion, proliferation and differentiation, is applied to a rat rotator cuff tearing model, is proved to have the effect of remarkably promoting rotator cuff tearing healing in multiple aspects of molecular biology, histology, motility, mechanics, imaging and the like, is beneficial to reducing the retearing risk after the rotator cuff operation, and has a good application prospect. And the treatment effect is stable. The BME-SIS biological membrane disclosed by the invention can be used for bioremediation patches, and has a good prospect in the aspect of rotator cuff tear healing.

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 present invention relates to the field of medical device technology, and discloses a tendon anchor implantation system. The tendon anchor implantation system includes a drill rod, an inner core rod, and an implantation rod, wherein the implantation rod is provided with a first guide hole; the tendon anchor is provided with a penetrating second guide hole, the first end of the inner core rod is passed through the first guide hole and the second guide hole, one end of the drill rod is connected to the first end of the inner core rod, and the other end is conical and extends out of the second guide hole; the tendon anchor includes a fixing seat and a nail body that are connected to each other, the implantation rod abuts against the fixing seat, the fixing seat is used to fix the patch, and the side wall of the nail body is provided with a barbed protrusion. Compared with the prior art, the present invention does not need to set a pre-piercing point on the rotator cuff, does not need to pull the lead wire, reduces damage to the rotator cuff, and realizes the fixation of the patch. The tendon anchor can quickly and conveniently complete the implantation process in conjunction with the implanter, thereby improving the efficiency of the operation and shortening the operation time.

The invention relates to a rotator cuff muscle rehabilitation massager, and belongs to the technical field of medical rehabilitation instruments.The rotator cuff muscle rehabilitation massager comprises a fixator, a supporting frame and a massager body, the supporting frame comprises a vertical rod and a transverse rod integrally arranged at the top end of the vertical rod, and an arc transition section is arranged at the intersection of the transverse rod and the vertical rod; the massager comprises a massage plate, a telescopic massage head, an electrode plate and a sliding rail, the sliding rail comprises an electromagnetic slide way and an electromagnetic sliding block, connecting rods are fixedly arranged at the two ends of the electromagnetic sliding block, and the other ends of the connecting rods extend out of the sliding rail to be fixed to the massage plate. The arc-shaped transition area is creatively arranged, comfort is remarkably improved, the arc-shaped transition area is creatively utilized, the arc-shaped track is designed according to local conditions, therefore, multi-directional full-coverage massage is conducted on rotator cuff muscles of a patient, and possibility is provided for improving muscle vitality, promoting metabolism, awakening muscle memory and accelerating focus rehabilitation.

The utility model discloses a rotator cuff injury treatment pad, and relates to the technical field of rotator cuff injury treatment pads. Comprising a patch which is provided with a plurality of wire inlet holes. And the mounting mechanism is arranged at the bottom of the patch and comprises an anchor nail, a fine line, a line fixing rod and an elastic sheet. When the patch is used, a fine line can penetrate through the corresponding line inlet hole and be pushed into the anchor nail through the anchor nail, the line fixing rod punctures the fine line, the elastic force of the elastic piece pushes the line binding block to abut against the fine line, the fine line is buckled in the anchor nail, and then the patch is completely attached to the corresponding tissue position of the rotator cuff. The bunching block can move towards the fine line through the bunching rod, so that the bunching rod penetrates through the fine line, and the stability of the fine line buckled on the anchor nail is effectively guaranteed. The problem that according to a traditional rotator cuff injury treatment gasket, the contact area of a first thin line and a first gasket is limited, the contact area of a second thin line and a second gasket is limited, and the first gasket and the second gasket are prone to displacement at the rotator cuff tissue is solved.

The present invention belongs to the field of biomedical engineering technology, and in particular, relates to a biological rotator cuff patch with a dual gradient structure and a preparation method thereof. The preparation method is: electrospinning a spinning solution, controlling the rotation speed of a receiving drum to increase at a constant rate during the electrospinning process, and obtaining a nanofiber membrane after electrospinning; L-polylactic acid and D-polylactic acid are dissolved in the spinning solution at the same time; the minimum rotation speed of the receiving drum is 100-500rpm and the maximum is 3000-4000rpm. The biological rotator cuff patch with a dual gradient structure finally obtained presents an orientation gradient and a piezoelectric effect gradient on a thickness scale at the same time, and has both mechanical support capability and biocompatibility, realizing the bionic healing of the gradient structure patch.

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 present invention discloses a rotator cuff patch, its preparation method and application, belonging to the technical field of composite biomaterials in medical engineering. The present invention prepares an oriented nanofiber patch by electrospinning a synthetic biodegradable high polymer and a natural bioactive protein of biological origin. Calcium silicate nanoparticles are in-situ coprecipitated at the distal end of the oriented nanofiber patch, and connective tissue growth factor is loaded at the proximal end of the oriented nanofiber patch to obtain the rotator cuff patch. It is a gradient composite rotator cuff patch with a tendon-promoting region loaded with connective tissue growth factor, a cartilage-promoting region co-loaded with connective tissue growth factor and calcium silicate, and a bone-promoting region with calcium silicate deposition. It can be used for the treatment of acute rotator cuff tears, effectively realizing multi-tissue regeneration of tendon, cartilage and bone, and then synchronously completing tendon-bone interface healing and promoting rotator cuff injury repair.

The utility model discloses a pistol type rotator cuff sacculus conveying device which comprises a pistol type holding handle, a conveying outer tube, a conveying inner tube, a Luer connector tube and a control assembly. The pistol type holding handle is provided with a transversely extending accommodating part and a holding part which obliquely extends downwards from one end of the accommodating part; one end of the conveying outer pipe is fixedly connected with the accommodating part; the conveying inner tube is inserted into the conveying outer tube and can axially move in the conveying outer tube, one end of the conveying inner tube is arranged in the containing part, the other end of the conveying inner tube extends out of the conveying outer tube, and a rotator cuff balloon is arranged at the other end of the conveying inner tube; at least part of the Luer taper pipe is arranged in the accommodating part, is fixedly connected with one end of the conveying inner pipe and is configured to move along the axial direction of the accommodating part; the control assembly is at least partially arranged in the holding part, one end of the control assembly is connected with the Luer taper pipe, and the control assembly is used for controlling the Luer taper pipe to move in the axial direction of the containing part. The pistol type rotator cuff balloon conveying device is easier to hold, and the operation accuracy can be improved.

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 invention embodiment discloses a stationary closed-kinetic chain free-standing five-piece upper and lower extremity neuromuscular exercise station. The apparatus comprises a rectangular shaped diamond plate steel standing platform as base and counterweight with a welded eyelet and a welded-angled steel pipe flange situated towards one end. A polyoxymethylene (POM) bushing disposes within the pipe flange and receives a round polished steel shaft. An ultra-high molecular weight polyolefin (UHMWPE) handgrip houses steel bearings or bushing. The said handgrip disposes onto end of the steel shaft. A plurality of anchor endcaps disposes onto one end of the shaft for resistive strengthening. The said apparatus serves to strengthen the body core, scapular stabilizers, weakened rotator cuff muscles by the user grasping the moveable handgrip and moving the carriage along the motion directed steel guide rail using body weight to push the carriage along into shoulder flexion, abduction, adduction, or a combination thereof.

The present invention provides a rehabilitation training system for rotator cuff tendon tears. Compared with the prior art, the present invention further includes a fixed seat, a lifting device that supports and connects to the bottom of the support cushion of the fixed seat to drive the fixed seat to perform lifting operations relative to the ground, a stable fixation module that is cooperatively arranged on the fixed seat and fixes the thoracic region of the patient, a correction module that corrects and adjusts the sitting posture of the patient's legs, a support module that supports and protects the patient's arm, and a training module that is cooperatively arranged on the fixed seat to enable the user's arm to be traction-stretched in different directions. The present invention effectively improves the rehabilitation training efficiency of the patient by adjusting and fixing the sitting posture of the patient and adapting and adjusting the position drive of the corresponding training module based on the evaluation of the patient's height parameters.

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 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 relates to the technical field of medical instruments, in particular to a rotator cuff postoperative fixing brace which comprises two protective shells and first hook-and-loop fasteners, the first hook-and-loop fasteners are movably connected to the outer sides of the two protective shells, a fixing plate is fixedly connected to the right sides of the protective shells, and a first movable plate is connected to the top of the fixing plate. A first rotating shaft is inserted into the connecting point of the fixed plate and the first movable plate, the first movable plate is rotationally connected with the fixed plate through the first rotating shaft, the right end of the first movable plate is connected with a second movable plate, and a supporting assembly is arranged between the first movable plate and the fixed plate. Through the arrangement of the supporting assembly, the lifting supporting angle of the limbs of a patient can be adjusted according to needs, self-adaptive adjustment is conducted under the condition that the support is worn, a movable block inclines in a movable groove according to the seesaw principle, accordingly, a first movable plate is limited, the elbows cannot be suspended, and therefore the patient can conveniently and rapidly sit on the elbow. The joint soreness is reduced; and the comfort of deltoid muscles is improved.