9 results about "Rotator muscles" patented technology

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 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 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.

This invention discloses a rotator cuff training device with multi-angle resistance adjustment in the field of training equipment technology, comprising: a frame serving as the mounting carrier for each component; a training rod rotatably mounted on the frame; a winding reel rotatably mounted on the frame and rotating synchronously with the training rod; a counterweight slidably mounted on the frame to provide resistance load for rotator cuff training; a rope connected at both ends to the winding reel and the counterweight respectively, for transmitting the rotational force of the winding reel to the counterweight; and a limiting component mounted on the frame to apply unidirectional damping resistance to the rope, exerting a damping effect only during the rope's descent. The unidirectional damping of the limiting component enables passive and slow repositioning, avoiding muscle compensation and secondary injury. Simultaneously, the rotation direction of the training rod can be adjusted to conduct targeted active resistance training, improving the accuracy and efficiency of rotator cuff rehabilitation training and adapting to the postoperative rehabilitation needs of rotator cuff injuries.

1. The name of the design product: shoulder abduction pillow. 2. The use of the design product: used in the process of shoulder injury or postoperative rehabilitation, help to limit shoulder joint activity, protect shoulder joint, reduce rotator cuff tendon tension. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

This invention relates to the field of biomechanics research technology and discloses an architectural device for studying rotator cuff biomechanics. The device includes a frame assembled from multiple alloy profiles. A support base is fixedly mounted on the bottom of the frame via a truss, and a scapular plate is obliquely mounted on one side of the support base. Multiple columns are bolted to the left side of the frame. Each column has two pulley assemblies connected to its sidewall. One pulley assembly is connected to a loading mechanism, and the other is connected to a support mechanism. The loading mechanism is movably mounted on the sidewall of the column and can generate linearly varying tension. This architectural device for studying rotator cuff biomechanics can apply linear tension to the rotator cuff muscle tissue in multiple directions, simulating the effect of muscle contraction on the humerus. It can also reverse the pulling action on the humerus to observe the contraction and extension state of the rotator cuff muscle tissue, which is beneficial for medical research and teaching demonstrations.

The application relates to the field of rotator cuff repair and discloses an anchor implantation guiding device for rotator cuff repair under arthroscopy, which comprises a positioning seat, the outer wall of the positioning seat is provided with a positioning assembly, the outer wall of the positioning seat is provided with an adjusting assembly, and the outer wall of the adjusting assembly is provided with a guiding assembly. According to the length specification of the anchor, the guide sleeve is slid, the guide sleeve is fixed by using the positioning pin on the side wall of the guide sleeve to adapt to anchors of different specifications, the inner diameter of the guide funnel at the top end of the guide pipe gradually decreases from top to bottom, the anchor can be quickly placed into the guide channel, after the anchor is placed into the guide channel through the guide funnel, the sliding limiting ring sets the implantation depth and is fixed through the adjusting bolt, different anchors can be flexibly adapted, the anchor can be quickly placed and positioned in depth, implantation depth deviation and placement jamming are avoided, the operation difficulty is reduced, the operation time is saved, the anchor implantation precision is ensured, and the operation efficiency and rotator cuff repair quality are improved.