33 results about "Rotator cuff injury" patented technology

The present invention provides compositions and methods for attaching tendon to bone. The present invention provides compositions and methods for treating rotator cuff injuries. In one embodiment, a method for treating rotator cuff injuries comprises providing a composition comprising PDGF disposed in a biocompatible matrix and applying the composition to at least one site of tendon reattachment on the humeral head.

The present invention provides application of a nanofiber membrane in preparation of a rotator cuff injury treatment material, the nanofiber membrane is an electrospinning fiber membrane to promote cell growth, the nanofiber membrane optimization preferably includes cytokines, a pharmaceutical excipient and a biodegradable polymer material, the mass ratio of cytokines to pharmaceutical excipient is (0.05-0.5) : (1000-10000), and the mass ratio of cytokines to biodegradable polymer material is (0.5-0.9) : (500-10000). The present invention provides a new use of the nanofiber membrane, the nanofiber membrane is used for preparation of the rotator cuff injury treatment material, the nanofiber membrane has good biocompatibility and biodegradability, can promote cell adhesion and regeneration, accelerates the remodeling of tendon bone area, promotes the healing of the tendon bone, can effectively promote the regeneration of the injured rotator cuff, is non-toxic, non-immunogenicity, and small in side effects, and has great significance in clinic.

The invention relates to the technical field of medical balloons, and discloses a balloon for treating rotator cuff injury. The balloon comprises a biological tissue layer, a balloon body with an inner cavity, a catheter and a liquid injection joint; the biological tissue layer wraps the balloon body so as to seal the balloon body in the biological tissue layer; the liquid injection joint is arranged outside the biological tissue layer, one end of the liquid injection connector is connected with one end of the catheter, and the other end of the catheter penetrates through the biological tissuelayer and communicates with the balloon body; and the balloon body is in a fan shape protruding upwards. The invention can solve the problems that a balloon in the prior art fractures in advance, isdisplaced, does not match the acromion-humeral head gap in shape, has poor biocompatibility, and the like.

The present invention discloses an application of mesenchymal stem cells combined with platelet-rich plasma in preparation of a medicine for promoting rotator cuff injury tendon-bone complex concrescence. The application uses the combined preparation of the mesenchymal stem cells (BMSCs) and the platelet-rich plasma (PRP) for the medicine for promoting promoting rotator cuff injury tendon-bone complex concrescence, and the anti-apoptotic ability of the mesenchymal stem cells is enhanced, the degradation velocity of growth factors of the platelet-rich plasma is released, and the mesenchymal stem cells and the platelet-rich plasma can mutually promote the expression of the growth factors, which are beneficial to the concrescence of tendon bone, of the mesenchymal stem cells and the platelet-rich plasma.

The invention provides a segmented nano coating modified artificial rotator cuff patch which comprises a humerus woven section 1, a tendon free fiber section 2 and a pull ring 900. A capitulum hole 3 is formed in the upper portion of the humerus woven section 1 and penetrates through the inner surface and the outer surface of the humerus woven section 1. The lower end of the humerus woven section 1 is connected with the upper end of the tendon free fiber section 2. A tendon end hole 4 is formed in the lower portion of the tendon free fiber section 2 and penetrates through the inner surface and the outer surface of the tendon free fiber section 2. By means of the segmented nano coating modified artificial rotator cuff patch, mechanical properties of rotator cuff tissue can be improved after a rotator cuff injury repair operation. Meanwhile, in the aspect of biological performance, the features of tendon-bone healing tissue through which a rotator cuff and a bone are connected can be simulated. The structure can enhance the inherent healing potential of tendons, and accordingly the success rate of the rotator cuff injury repair operation is increased.

The invention provides a segmented woven bionical type artificial rotator cuff patch which comprises a humerus woven section 1 and a tendon free fiber section 2. A capitulum hole 3 is formed in the upper portion of the humerus woven section 1 and penetrates through the inner surface and the outer surface of the humerus woven section 1. The lower end of the humerus woven section 1 is connected with the upper end of the tendon free fiber section 2. A tendon end hole 4 is formed in the lower portion of the tendon free fiber section 2 and penetrates through the inner surface and the outer surface of the tendon free fiber section 2. By means of the segmented woven bionical type artificial rotator cuff patch, mechanical properties of rotator cuff tissue can be improved after a rotator cuff injury repair operation. Meanwhile, in the aspect of biological performance, the features of tendon-bone healing tissue through which a rotator cuff and a bone are connected can be simulated. The structure can enhance the inherent healing potential of tendons, and accordingly the success rate of the rotator cuff injury repair operation is increased.

The invention relates to a repair device for a shoulder joint and a prosthetic system. The repair device comprises a buffer part, a repair part and a bordering part, wherein the buffer part can be in an atrophic state or an expanded state, the buffer part comprises a cavity which is configured to be filled with a substance so that the buffer part is in an expanded state; the repair part is configured to be used for covering the humerus head or/and the tendon; and the bordering part is located on the side, away from the humerus head or/and the tendon, of the repair part, and the buffer part is movably connected with the repair part through the bordering part. According to the repair device for the shoulder joint, the repair part can be directly used for connecting the tendon and the humerus head, the repair part and the buffer part can be fixed in the tissue of the shoulder joint, the surgical operation is very simple and convenient, the repair part can be used for assisting in the healing of the rotator cuff tissue and reshaping the integrity of the rotator cuff, and in addition, the problems of shoulder joint pain and limited shoulder joint mobility caused by the rotator cuff injury can be quickly solved by utilizing the buffer part, so that a patient can quickly get rid of injury and illness troubles, and the problem of severe rotator cuff injury can be radically and quickly treated.

The invention discloses an adjustable shoulder abducting mat. The adjustable shoulder abducting mat comprises a body side vertical plate, an arm side oblique plate, an angle adjusting system, a horizontal plate and a fixing strap system, wherein the body side vertical plate is propped against the waist and belly on one side of the human body and cooperates with a human body waist and belly curve;the arm side oblique plate is propped against the forearm of the human body and cooperates with the human body forearm curve; the angle adjusting system is connected with the body side vertical plateand the arm side oblique plate and is used for adjusting the relative angle of the body side vertical plate and the arm side oblique plate; the fixing strap system is arranged bypass the shoulder, theneck, the waist and the belly of the human body; and a position adjacent to the top, of one side of the body side vertical plate is connected with a position adjacent to the top, of the arm side oblique plate through a ball joint. The adjustable shoulder abducting mat disclosed by the invention is light in weight, and comfortable to wear; the angle between parts can be conveniently adjusted to meet requirements of different patients in different rehabilitation stages; the adjustable shoulder abducting mat can assist early-stage brake and later stage rehabilitation of the injured shoulder; andthe application range of the adjustable shoulder abducting mat not only comprises illness in the category of sports medicine including rotator cuff damage, recurrent shoulder joint dislocation and the like, and the adjustable shoulder abducting mat is also benefit for illness in the category of wound orthopedics including proximal humerus fracture, glenoid fossa fracture and the like.

This document provides methods and materials related to treating rotator cuff conditions (e.g., rotator cuff tendonitis or rotator cuff injuries such as partial rotator cuff tears). For example, methods and materials for using zinc or a zinc chelator to treat rotator cuff conditions are provided.

The invention discloses a postoperative shoulder joint recumbent position fixing device for a patient with rotator cuff injury, and the device comprises: a forearm lifting pad which is arranged at the lower part of the forearm of the patient and is used for supporting the forearm of the patient; a fork pad that is placed at the armpit of the patient and is used for abducting the shoulder joint; and a chest strap that is connected with the forearm lifting pad and is used for fixing the forearm lifting pad on the forearm of the patient. According to the postoperative shoulder joint recumbent position fixing device for the patient with the rotator cuff injury, the sleep quality and comfort of the patient are remarkably improved, complications of postoperative rotator cuff retearing are avoided, early recovery of shoulder joint functions of the patient is promoted, the operation effect is maximized, and the postoperative shoulder joint recumbent position fixing device is worthy of clinical application and popularization.

The invention provides an electrospun membrane stent for promoting rotator cuff tendon bone healing and inhibiting muscle fat infiltration and a preparation method thereof. The preparation method of the electrospun membrane stent comprises the following steps of 1, ultrasonically dispersing MSNs in ethanol, adding triethoxysilane, performing stirring, performing centrifuging to collect nanoparticles, re-dispersing in sulfuric acid, heating to collect a final product, performing washing, and freeze-drying to obtain MSN-COOH nanoparticles; 2, adding lithium salt and the MSN-COOH into deionized water, performing stirring, then performing centrifuging, removing supernate, and drying precipitate in vacuum for 40-50 hours to obtain Li+@MSNs; and 3, dissolving a high polymer material and the Li+@MSNs in HFIP, stirring to prepare a uniform solution, and then preparing the electrospun membrane stent with a single fiber in a cowpea-like structure by adopting an electrospinning technology. The electrospun membrane stent can promote the bone healing of a rotator cuff tendon bone interface and inhibit rotator cuff muscle fat infiltration, meanwhile, provides an instant mechanical support effect after operation, and can provide a new idea for clinically repairing old rotator cuff injuries.

The invention provides a virtual reality-based rotator cuff injury postoperative rehabilitation training system and method, and the method comprises the following steps: S1, receiving basic information of a rotator cuff injury user, and formulating a corresponding training scheme according to the basic information; s2, training content based on virtual reality is returned to the user according to the training scheme, and in the step S2, the training content of the first stage is returned to the user firstly, the training content of the second stage is returned after the user completes the training content of the first stage, and so on until the training content of all stages in the corresponding user training scheme is completed. According to the scheme, the patient is helped to perform rehabilitation training based on virtual reality, the requirement of special situation experience can be met, the original repeated and boring training is changed into a situation type feedback exercise mode, and the training enthusiasm of the patient is improved.

The invention discloses an old-age upper-limb exercising device. The old-age upper-limb exercising device comprises a bottom plate, two groups of upper-limb exercising units are symmetrically arrangedon the two sides of the upper portion of the bottom plate, and a supporting unit is arranged at the portion, located between the two groups of upper-limb exercising units, of the upper portion of thebottom plate. The old-age upper-limb exercising device is high in applicability, exercising habits of different old-age users can be met, the safety performance is good, it can be avoided that a falling accident of the old-age users occurs when the old-age upper-limb exercising device is used, and therefore the personal safety of the old-age users can be guaranteed; burdens of the old-age users can be reduced, physical power of the old-age users is saved, and it can be avoided that due to physical exhaustion, the old-age users are in a dangerous situation; for old-age users suffering from rotator cuff injuries, after the users use the old-age upper-limb exercising device for exercising for four or five months, muscular tissue of the rotator cuff injuries can be gradually recovered, healthof upper limbs of the old-age users can be recovered, the old-age users keep the healthy body, and thus keep a cheerful mood, and therefore the living quality of the old-age users is improved.

The invention discloses a percutaneous acupoint electrical stimulation and ultrasonic wave combined rotator cuff injury rehabilitation therapeutic apparatus. The apparatus comprises a cabinet, an ultrasonic wave treatment assembly, a percutaneous acupoint electrical stimulation treatment assembly, leads and an arm ring, wherein the ultrasonic wave treatment assembly comprises an ultrasonic wave treatment probe and an ultrasonic wave treatment host; the percutaneous acupoint electrical stimulation treatment assembly comprises an electrode patch and a percutaneous acupoint electrical stimulation treatment host; the ultrasonic wave treatment probe and the electrode patch are respectively electrically connected with the ultrasonic wave treatment host and the percutaneous acupoint electrical stimulation treatment host through the leads; the ultrasonic wave treatment probe is detachably mounted outside the arm ring so as to circumferentially adjust the position around the top end of the upper arm of a user and close to a rotator cuff; and the levels of serum inflammatory factors TNF-alpha and IL-6 in a rotator cuff injury patient can be respectively intervened through ultrasonic waves and percutaneous acupoint electrical stimulation, so that the effects of eliminating swelling and relieving pain are exerted, the postoperative pain of the patient is reduced, the postoperative shoulder dysfunction of the patient is alleviated, and the postoperative early rehabilitation of the patient is promoted.

The invention discloses a biological patch and a preparation method thereof. The preparation method comprises the following steps: providing an in-vitro umbilical cord; pretreating the umbilical cord to remove umbilical cord blood and umbilical cord blood vessels contained in the umbilical cord; performing decellularization treatment on the pretreated umbilical cord to prepare a decellularized umbilical cord; performing a cross-linking reaction on the decellularized umbilical cord and an inducer solution, obtaining the composite scaffold, wherein the inducer solution is a solution capable of differentiating mesenchymal stem cells into cartilage cells; sequentially performing cleaning and freezing treatment on the composite scaffold, and obtaining the biological patch. The effect of repairing the rotator cuff injury is good.

The invention provides a composite hydrogel for promoting tendon-bone healing as well as a preparation method and the application thereof.The preparation method includes the steps that the surfaces of nanoscale bioglass particles are subjected to amino modification, kartogenin small molecules are grafted through amidation reaction, the materials are mixed with injectable temperature-sensitive hydrogel synthesized by methyl cellulose, polyvinyl alcohol, polyvinylpyrrolidone and sodium chloride; and the composite hydrogel is prepared. The composite hydrogel can effectively solve the two major problems of bone loss and cartilage loss confronted by old rotator cuff injury, and is in a viscous liquid state at room temperature and gelling in an environment of more than 35 DEG C for 30 seconds, that is, the composite hydrogel can be gelling in a short time after being injected into a body, release drugs in situ and induce cell differentiation. Due to the application of the injectable temperature-sensitive system, the operation is very convenient, and the purpose of in-situ gelling and medicine release can be achieved. A new idea can be provided for clinically repairing old rotator cuff injury, and meanwhile bone regeneration and cartilage regeneration of a tendon-bone interface are promoted.

The invention discloses an anchor system for rotator cuff injury repair and a using method thereof. The anchor system comprises an anchor, a suture line, a straight cylinder and a push rod; the anchorused for being inserted into the humerus head is provided with a threading hole and a square hole, the threading hole is used for threading the suture line, and the square hole is used for being matched with one end of the push rod; the push rod and the suture line are both arranged in a straight cylinder used for being inserted into the gap between the humerus head and the acromion, a reversingpart is arranged at one end of the straight cylinder, and when the push rod used for pushing the anchor pushes the anchor out of the reversing part, the direction of the anchor inserted into the humerus head deviates from the direction of the straight cylinder inserted into the gap between the humerus head and the acromion. The using method comprises the steps: enabling the end, away from the straight tube, of a bent tube to face the bone surface of the humerus head; enabling the tip end of the anchor to abut against the tendon, and piercing the tendon with the tip end of the anchor; screwingthe anchor into the humerus head; and finally, leaving the anchor and the suture line on the humerus head. The anti-pull-out performance of the anchor can be improved.

The invention discloses a pillow for assisting in sleep. The pillow for assisting in sleep comprises a pillow pad which is integrally C-shaped, wherein the pillow pad comprises a pillow pad left sidepart, a pillow pad right side part and a pillow pad back part; the pillow pad is filled with elastic and soft fillers; the pillow pad also comprises a deformation adjustor; at least one part of the deformation adjustor is positioned in the pillow pad; and the deformation adjustor also comprises a controller for controlling the deformation adjustor. The invention discloses the pillow for assistingin sleep. The pillow for assisting in sleep can relieve the pain of patients caused by rotator cuff injury and assist in sleep.

The invention discloses an abducting bag applied after rotator cuff injury repair operation based on an arthroscope. The abducting bag comprises a wearable vest, a supporting part, shoulder strap and a waist strap, a cavity is formed in the supporting part, the supporting part is of a step structure and comprises a second step surface, air holes are further formed in the supporting part, an elbow joint exercise device is arranged on the second step surface, the elbow joint exercise device comprises a pressing block, a first elastic piece, a second telescopic piece, an adjusting assembly and an air bag ball, the first elastic piece and the second telescopic piece are both located in the cavity of the supporting part, the pressing block is inserted into the cavity of the supporting part and connected to the first elastic piece, the air bag ball is connected to the second telescopic piece through an air pipe, the elastic force of the first elastic piece is adjusted, the adjusting assembly is connected to the output end of the air pipe, and air in the air pipe can be introduced into the cavity of the supporting part through the adjusting assembly. The abducting bag can meet strength needed by exercise of a patient in different recovery stages, meanwhile, the air permeability of the supporting part can be improved in the exercise process, and the comfort level of the patient during use is improved.