41 results about "Flexor tendon" patented technology

The present invention provides compositions of saratin and methods of use thereof. One aspect of the invention is a method of prevention or mitigation of the development of adhesions, keloids and scars. The adhesions, keloids and scars can be due to surgery, such as plastic surgery or orthopedic surgery, or can be pre-existing scars. Another aspect of the invention is a method for treatment of flexor tendon injuries.

An ergonomic holding assist device for endoscopes comprises an attachment mechanism to removably secure the hand assist device to an endoscope. An ergonomic component comfortably fills a space made between a naturally extended palm and the grip portion of the endoscope. A center plate sandwiched between the attachment mechanism and the ergonomic component provides an approximate ½-inch clearance to a top of the device so that the ergonomic component reaches a thenar crease of the palm more comfortably. The flexor tendon of the thumb is comfortably supported by the ergonomic component so that endoscope-work-related injuries are avoided.

The invention provides a design and preparation method for a customized fixing support used after repair of finger flexor tendon injuries. The method comprises the steps that a three-dimensional model of skin on the affected side of an arm and a three-dimensional model of skin on the uninjured side of a hand are reconstructed by utilizing CT scanning data, the three-dimensional model of the skin on the uninjured side of the hand is mirrored by taking a sagittal plane as a symmetry plane, and the three-dimensional model of the skin obtained through mirroring is used for replacing a corresponding part of the affected side and is combined with a forearm of the affected side to form a new three-dimensional model of the arm; the customized fixing support is designed by using the combined three-dimensional model as a basis, a finger part of the support adopts a rotary adjusting design, and therefore regular adjustment and coordination with early-stage functional exercise can be realized; and finite element analysis and mechanical experiments on the support are carried out, and the support is manufactured through 3D printing. According to the design and preparation method for the customized fixing support used after repair of the finger flexor tendon injuries, the designed and prepared customized support is accurate in shape, convenient to wear and good in fitting effect, and the method is superior to a traditional support manufacturing technology in terms of the precision, the machining efficiency, the material utilization rate and the like.

The invention relates to a wearable finger detection device based on pressure and electromyographic signals. The device is characterized by comprising a pressure signal collecting fingerstall, a connecting band, an electromyographic collecting finger ring, a signal transmission data cable and a fixing band, wherein the pressure signal collecting fingerstall is matched with the fingertip of a finger to be tested in shape and is connected with the electromyographic collecting finger ring through the connecting band, and the fixing band is arranged on the other side of the electromyographic collecting finger ring; a pressure plate is arranged on the portion, for sensing stress, of the pressure signal collecting fingerstall, and pressure signals are output through the signal transmission data cable; an electrode patch is arranged on the portion, for sensing flexor tendon stress, of the electromyographic collecting finger ring, and flexor tendon stress signals are output through the signal transmission data cable. Pressure signals and electromyographic signals of the finger can be collected and detected at the same time, and the requirement for verifying the authenticity and objectivity of electromyographic signal output by taking a pressure signal detection result as auxiliary data is met.

The invention relates to a radial artery puncture practice model and method and belongs to the technical field of medical machinery. The radial artery puncture practice model comprises an arm model, virtual intravascular and a pulse pressure pump. The arm model comprises virtual human skin, a virtual humeroradial tendon, a virtual carpi radialis flexor tendon and a radial artery channel, wherein the radial artery channel is located below the virtual human skin. The virtual intravascular is arranged in the radial artery channel and communicated with the pulse pressure pump so that virtual blood can be pumped into the virtual intravascular through the pulse pressure pump, and the human pulse can be simulated. Therefore, the radial artery puncture practice model enables the medical personnel to conduct puncture practice, improves the operating proficiency, relieves the pain of patients, can be repeatedly use due to the fact that the virtual intravascular and the virtual human skin can be replaced after being used, reduces the practice cost, and is simple in structure, real in simulation effect and simple and convenient in practice method.

The invention relates to a rehabilitation orthosis for rupture of finger flexor tendon, and belongs to the technical field of medical machinery. The device comprises a spring elasticity training device and a hand back protection orthosis, wherein the spring elasticity training device is arranged on the surface of the palm, and the hand back protection orthosis is arranged on the surface of the hand back. The spring elasticity training device comprises a fingertip fixing band, a fixing binding band, a tension positioning button, a pulling string, a wrist binding band, and a power device, the tension positioning button is used for limiting the pulling string, the power device comprises a knob, a power spring, a concentric shaft, and a power spring box, the power spring drives the pulling string to move, the hand back protection orthosis is formed by a hand back plate and a forearm back plate, and an included angle of 120 degrees to 180 degrees is arranged between the hand back plate and the forearm back plate. The rehabilitation orthosis is mainly used for the treatment of postoperative rehabilitation of the tendon rupture repair, effects of adhesion prevention, healing promotion, improvement of the healing quality, and the improvement of the hand function are achieved, the novel adjustment is convenient and simple, the comfort is high, and the effect of rehabilitation training is good.

Described is a plastic form conforming to the shape of the underside of an equine hoof and within the borders of the hoof wall that is affixed to the hoof by means of straps or adhesive tape. The function of the form is to support the sole and skeletal structure of the hoof while the hoof wall remains unsupported, the purpose being to allow the hoof wall to grow out undistorted following the occurrence of lamninitis or founder. The plastic form can have additional thickness at the heel area to reduce tension of the suspensor ligaments and flexor tendons. The form can be cushioned to allow for sensitive hoof soles.

The invention discloses a finger flexor tendon rehabilitation trainer. The trainer comprises an elastic rubber band, an adhesive tape, a palm fixing belt and reverse hooks, wherein an upper magic tape is fixed on the upper surface at one end of the palm fixing belt, a lower magic tape is fixed on the lower surface at the other end of the palm fixing belt, and the upper magic tape can be adhered to the lower magic tape; four reverse hooks are distributed in the middle of the palm fixing belt along the length direction of the palm fixing belt, and the direction pointed by the heads of the reverse hooks is in accordance with the width direction of the palm fixing belt; the elastic rubber band is annular; the adhesive tape is fixed on the annular elastic rubber band, and can be adhered to one end of the elastic rubber band; and the other end of the elastic rubber band can be arranged on one reverse hook. By adopting the mode, the elasticity of the rubber band can be reasonably controlled, fingers can be sufficiently freed, and passive flexion of fingers can be furthest exercised, and adhesion of flexor tendons can be effectively relieved.

Embodiments of surgical grafts, and methods, for the delivery of therapeutic agents to a target tissue via acellular matrices, are described. In some embodiments, nonviable matrices are successful in preventing or lessening adhesion formation by guiding tissue repair and remodeling, while also providing the target tissue with therapeutic agents that can act as repair and remodeling factors. An exemplary method to modulate flexor tendon healing and provide elimination or reduction of fibrotic adhesions involves loading a freeze-dried flexor digitorum longus allograft with recombinant adeno-associated viral (rAAV) vectors for the targeted and transient expression of growth/differentiation factor 5 (GDF5).

The invention relates to a guiding-type cutting knife assembly and a guiding device thereof. The guiding device comprises a guiding part, and a blade rail is formed in the guiding part and extends to the tail end of the guiding part. The guiding-type cutting knife assembly comprises the guiding device and a cutting knife, and the sliding side of the cutting knife is connected with the blade rail of the guiding device in a sliding mode. The guiding device has the multiple functions such as probing, positioning, guiding, opening, protecting and measuring; according to the accurate positioning function, accurate guiding function and safe protection effect of the guiding device, subsidiary injuries of the flexor tendon structure, digital nerve and vessel structure and the like are reduced or avoided, the scale measuring function of the guiding device is used, and the accurate and scientific judgment criteria is provided for whether an A1 tackle during operation is completely released or not so that the post-operation disease-condition recurrence rate can be reduced.

The invention relates to the technical field of medical instruments and in particular relates to a flexor tendon early-stage rehabilitation device comprising a forearm fixing device (1), finger tip fixing devices (2), a main traction wire (3), an auxiliary traction wire (4), a palm pipe (5), a rubber band (6), a binding band (7) and a rubber band fixing device (8). The flexor tendon early-stage rehabilitation device is characterized in that one side of the forearm fixing device (1) is provided with a fixing surface and the other side is provided with a work surface; the binding band (7) is mounted on the forearm fixing device (10; a traction mechanism is mounted on the work surface of the forearm fixing device (1); the traction mechanism is formed by a fixing traction part and a reset pulling-back part; the fixing traction part is formed by the finger tip fixing devices (2), the main traction wire (3) and the auxiliary traction wire (4); the finger tip fixing devices (2) consist of a finger tip sleeve, a middle section sleeve and a finger root sleeve; and one end of the main traction wire (3) is fixedly connected with one side of the finger end sleeve.

The invention discloses a traditional Chinese medicine lotion used for treating flexor tendon stenosing tenosynovitis. The traditional Chinese medicine lotion used for treating flexor tendon stenosingtenosynovitis is prepared from, by weight, 9 to 15 parts of root of Soulie Barberry, 3 to 9 parts of dahurian angelica root, 3 to 15 parts of radix aconiti carmichaeli, 3 to 9 parts of rhizoma zingiberis, 4.5 to 9 parts of red sage root, 3 to 9 parts of safflower, and 3 to 9 parts of licorice. The traditional Chinese medicine lotion is prepared based on traditional Chinese medicine and pharmacy theory; raw material screening is carried out based on treatment based on syndrome differentiation; the formula is scientific and reasonable; the combination is simple; no toxic or side effect is caused; treatment course is short; effect is achieved quickly; the traditional Chinese medicine is mainly used for relieving swelling and pain to treat the symptoms, and warming channel and expelling cold,and promoting blood circulation to remove blood stasis to treat the root cause.

The invention relates to a walking stick assisting a user to walk, in particular to a bionic walking stick supporting foot pad. The bionic walking stick supporting foot pad in the bionic field comprises a grounding area and an inlaying area. The grounding area is of a bionic locust foot sole stereo structure, and the inlaying area is of a hollow cylindrical structure. By utilizing the physical characteristics of the simulated locust foot sole of the grounding area, the adhesive force to the ground of the bionic walking stick supporting foot pad is increased, and anti-slipping effect is improved. The anti-slipping performance of the bionic walking stick is improved based on a bionic design concept, a bionic locust supporting foot pad is added at the grounding end of the walking stick, and the special structure of the locust foot sole facilitates reduction of contact rigidity, increase of contact area and production of adhesion friction force enabling the foot sole to be stable in the contact process. Based on geometrical morphology of the surface of the locust foot sole and functional characteristics of flexor tendon of the locust foot sole, the bionic walking stick supporting foot pad simulating the locust foot sole plays a good anti-slipping effect.

The invention provides a reboundable finger flexor tendon injury fixing brace and belongs to the technical field of medical tools. The brace mainly comprises fixing belts and a rotation limiting structure, wherein the fixing belts are used for fixing a finger; the rotation limiting structure is used for limiting rotation angles of a finger joint; the fixing belts are connected with the rotation limiting structure; the fixing belts consist of an upper fixing belt and a lower fixing belt; the upper fixing belt and the lower fixing belt are connected through the rotation limiting structure; an elastic force shrinking structure for assisting finger bending is mounted on the lower fixing belt; and the elastic force shrinking structure is connected with the upper fixing belt. Due to arrangementof the rotation limiting structure, finger bending angles can be limited, different limiting angles can be selected, and finger bending training of different degrees can be achieved; and the elastic force shrinking structure is additionally arranged, the intensity of elastic force can be adjusted by adjusting the length of an elastic force line, and furthermore, the intensity of passive bending ofthe finger can be changed.

The invention discloses an externally-used liquid medicine for treating tenosynovitis of hand flexor tendons. The externally-used liquid medicine is prepared by soaking parts by weight of following Chinese herbs with yellow wine: 10-20 parts of crystobalite, 10-20 parts of magnetite, 5-15 parts of bidentate achyranthes, 5-15 parts of dendrobe, 5-10 parts of cinnamomum cassia, 5-10 parts of aleppo avens, 5-10 parts of radix rehmanniae, 5-10 parts of notopterygium incisum, 3-8 parts of radix saposhnikoviae, 3-8 parts of safflower, 3-8 parts of radix angelicae sinensis, 3-8 parts of unprocessed licorice, 1-5 parts of eucommia ulmoides, 1-5 parts of antelope horn, 1-5 parts of astragalus membranaceus, 1-5 parts of peach kernel, 1-5 parts of white poria, 1-5 parts of fructus aurantii, 1-5 parts of wild jujube seeds, 1-5 parts of caulis spatholobi, 1-5 parts of astragalus henryl and 1-5 parts of ganoderma lucidum. The externally-used liquid medicine is short in course of treatment, quick in effect, good in treatment effect, low in treatment cost and free of obvious side effects and adverse reactions, and the tenosynovitis of hand flexor tendons is unlikely to recur. The invention further discloses a preparation method of the externally-used liquid medicine for treating the tenosynovitis of hand flexor tendons. The preparation method comprises the following main steps: (1) primarily soaking; (2) secondarily soaking; (3) combining leachates. The preparation method is simple in steps and good in leaching effect.

The invention relates to a preparation method of spray for traumatic injuries. The spay for the traumatic injuries is obtained by preparing raw materials, soaking in ethanol liquid and mixing. The spray for the traumatic injuries is mainly used for treating all kinds of traumatic injuries such as closed soft tissue contusion, fracture and dearticulation local swelling and pain, trauma local wound bleeding and stenosing tenovaginitis of flexor digitorum and also can be used for treating rheumatic arthritis, gouty arthritis and cellulitis.

The invention discloses a muscle tendon exercising brace which comprises a brace plate, a guide plate, a plurality of fixing strips, a rubber band, a fixing block and a hook-and-loop fastener belt. The brace plate is a rectangular flat plate, the guide plate is fixed to one short side of the brace plate, and the guide plate and the upper surface of the brace plate form an angle of greater than 90 degrees. The fixing strips are distributed on the upper surface of the brace plate, a plurality of clamping grooves are formed in each fixing strip, and openings of the clamping grooves deviate from the guide plate. Guide holes are formed in the positions, corresponding to the fixing strips, of the guide plate. One end of the rubber band is clamped in the clamping grooves and penetrates through the guide holes. The fixing block is fixed to the lower surface of the brace plate, a hook-and-loop fastener belt slotted hole is formed in the fixing block, and the hook-and-loop fastener belt penetrates through the hook-and-loop fastener belt slotted hole. In the mode, the muscle tendon exercising brace can safely and accurately exercise the functions of the flexor tendon.

The invention discloses an ergonomics optical mouse with a palm pad. The ergonomics optical mouse with the palm pad comprises a shell, a first button, a second button and the palm pad; a cavity is formed in the shell, and the upper surface of the shell is recessed, so that numbness of fingers due to long-time tendon extrusion of a little finger and a thumb is prevented mainly; the first button and the second button are matched with the shell, the effect of relieving the digital flexor tendon is achieved, and aching pain and numbness which are caused by long-time tendon extrusion of an index finger and a middle finger are mainly prevented; and a recessed part and a projected part of the palm pad are attached to a palm, therefore, nerves in a carpal canal are maintained at normal positions and are not folded or pressed, and carpal tunnel syndrome is prevented effectively. The palm pad is more effective than a common separating palm pad. Because the palm pad and the mouse are integrated, the palm pad moves along with the mouse when the mouse moves, and the circumstance that the effect is reduced due to displacement of the common separating palm pad is avoided. Effects of preventing carpal tunnel syndrome and preventing palm calluses are greatly improved.

A prosthesis to replace a flexor tendon pulley. The prosthesis comprises a tendon holding member with a hollow cylindrical shape and a connecting plate attached to the tendon holding member. The tendon holding member is configured to receive and hold a tendon of the human hand. The connecting plate is configured to be attached to a phalange of the human hand. The tendon holding member comprises an outer layer on an outer surface of the tendon holding member and an inner layer on an inner surface of the tendon holding member. The outer layer comprises hydroxyapatite to secure the tendon holding member to the surrounding tissues. The inner layer comprises of hyaluronic acid to secure the tendon holding member to the surrounding tissues.

The invention discloses gelatin sponge as well as a preparation method and a storage method thereof. The preparation method comprises the following steps: mixing bovine flexor tendon fiber collagen with a mixture of cyanic acid and methanol, and homogenizing by virtue of a pore pump, so as to prepare a gelatin mixture; and adhering the gelatin mixture and sponge to form the gelatin sponge.