44 results about "Joint immobility" patented technology

An arthrodesis implant is for a finger joint of a hand of a patient. The arthrodesis implant may include an extramedullary proximal anchor including a first member having a fastener-receiving passageway therethrough to receive a fastener to anchor the first member to an extramedullary portion of a proximal bone of the finger joint of the hand of the patient. The arthrodesis implant may also include an intramedullary distal anchor having a second member for being anchored within an intramedullary portion of a distal bone of the finger joint of the hand of the patient, and a coupling for securing the first and second members together.

A device is provided including a distal nail portion and a proximal nail portion that can be connected to each other to attain a rigid configuration. The device is to be placed internally within the medullary cavities of at least two bones forming a joint to accomplish arthrodesis of the joint. The device is placed intramedullarily in order to minimize incision size, excessive bone resection and post-operative tendon damage and tenderness. Additionally, one particular method for using the device is provided that includes placing and affixing the distal nail in a bone of a joint, placing the proximal nail in another bone of a joint, connecting the distal nail to the proximal nail, doing the desired geometrical adjustments, affixing the proximal nail to the distal nail by tightening the connection and affixing the proximal nail to the other bone of the joint to attain a rigid configuration.

A joint fixation system particularly useful for joints of the hand is disclosed. The joint fixation system includes a joint fixation plate having a distal section, a proximal section, and an intermediate section connecting the distal section and the proximal section. The distal section includes a distal section screw hole, and the proximal section includes a proximal section screw hole. The joint fixation plate is pre-bent such that the distal section and the proximal section form an included angle of less than 180 degrees. The joint fixation system includes a first screw dimensioned to engage an inner surface of the distal section screw hole, and a second screw dimensioned to engage an inner surface of the proximal section screw hole. The first screw is angulated proximally when inserted in the distal screw hole, and the second screw is angulated distally when inserted in the proximal screw hole.

The invention relates to a knee joint biomechanical property testing and evaluating device. The knee joint biomechanical property testing and evaluating device comprises a frame module, a joint fixing module, a knee joint module, a joint-bending driving module and a loading module. The joint fixing module is fixed to a frame base plate of the frame module. The bottom of the knee joint module is connected with the joint fixing module, and the top of the knee joint module is fixedly connected with the joint-bending driving module. The joint-bending driving module is fixed to the top end of the frame module. The loading module is mounted on the frame module, and loading of the knee joint module is achieved. According to the knee joint biomechanical property testing and evaluating device, the bending angle of each knee joint is adjusted, so that the motion state of lower limb joints of a human body is simulated; and external force is loaded, and the stress states, generated at different bending angles of the knee joints, of interfaces between bionic bone tissues and prostheses are tested. The knee joint biomechanical property testing and evaluating device has the beneficial effects that the structure is simple, flexible in movement, convenient to test and precise in testing; and the joint module is convenient to replace.

The invention is suitable for the technical field of medical rehabilitation equipment, and particularly relates to an orthopedic joint fixing training assisting device which comprises a resistance part, a foot arch supporting assembly, a shank fixing assembly, a thigh fixing assembly and a waist bandage. The shank fixing assembly is rotatingly connected to an upper end of the foot arch supporting assembly. The foot arch supporting assembly is used for supporting the arch of the foot of a user, the shank fixing assembly is rotationally connected with the thigh fixing assembly, the rotationally-connected position of the shank fixing assembly and the thigh fixing assembly is located at the axis position of rotation of the shank relative to the thigh, and the thigh fixing assembly is connected with the waist bandage through a connecting rod. The two ends of the connecting rod are rotationally connected with the thigh fixing assembly and the waist bandage respectively, and the resistance part is connected with the shank fixing assembly and the thigh fixing assembly simultaneously. The connecting position of the shank fixing assembly and the thigh fixing assembly is arranged at the axis position where the shank rotates relative to the thigh, so that the situation that the thigh fixing assembly and the shank fixing assembly slip is avoided, and damage to a patient is avoided.

The invention discloses a combined elastic external fixation bracket for limb fracture, and relates to the technical field of fracture external fixation. The combined elastic external fixation bracketcomprises two reset brackets, a plurality of drawbars and a plurality of fixing assemblies. The reset brackets are connected by the drawbars, the fixing assemblies are fixed on the reset brackets, the angle can be adjuted, and locking can be achieved. The reset brackets are provided with through holes and through arc grooves. Each drawbar includes connecting bars at both ends and an intermediatefunction bar, and the function bar is a resilient element bar or a non-elastic element bar. The nut end of a function bolt of each fixing assembly is provided with a semicircular groove for containinga kirschner wire, and the function bolt penetrates the corresponding through arc groove of a semicircular bracket to be locked by a function nut. The bracket can achieve the slight joint activity after cross-joint fixing for the limb fracture, the joints fixed and not fixed can be moved actively to facilitate functional exercise and rehabilitation of patients, and the bracket is suitable for fracture cross-joint fixing popularization and application.

The invention relates to a joint part external skeletal fixator, which comprises an external fixator assembly and a joint fixator, wherein the external fixator assembly is fixedly arranged on the limb part of the body, the joint fixator comprises an outer framework and a plurality of bone surface fixation assemblies arranged on the outer framework, the outer framework is fixedly arranged on the outer part of the body through the external fixator assembly, the outer framework comprises at least two fixing frames, each bone surface fixing assembly comprises a plurality of fixing blocks, fixing cables are arranged among the fixing blocks, the fixing blocks are fixedly arranged on the fixing frames, a support framework formed by at least two fixing cables is arranged between the fixing frames, and the support framework is in contact with the bone surface and realizes the support on the bone.

The invention provides a joint fixing brace capable of realizing automatic massaging. The joint fixing brace comprises fixing brace bodies, wherein each fixing brace body is provided with a shank fixing plate capable of clamping a shank and a thigh fixing plate capable of clamping a thigh; a shank rotating shaft is fixedly connected with and arranged on each shank fixing plate; a shank rotating rod is fixedly connected with and arranged on each shank rotating shaft; a thigh rotating shaft is fixedly connected with and arranged on each thigh fixing plate; a thigh rotating rod is fixedly connected with and arranged on each thigh rotating shaft; and a rotating pin is arranged between a shank rotating rod and a thigh rotating rod. The joint fixing brace provided by the invention is simple in structure and easy to implement; a patient can quickly disassemble and assemble the fixing brace bodies by stirring sliding blocks and pulling ropes; and when the patient bends the shanks, massage wheels and massage blocks can massage the thighs and shanks far away from the periphery of an injured part, so the patient can be quickly cured after the joint fixing brace is used for a period of time.

The invention relates to an external fixation locking fixing device for treatment of fracture of distal radius, belonging to the technical field of medical instruments. The locking external fixation device comprises a frame body and screws, the frame body comprises a T-shaped fixing part and a strip-shaped fixing part, the T-shaped fixing part and the strip-shaped fixing part are uniformly provided with threaded holes, the threaded holes are matched with threads of the tail parts of the screws so as to enable the T-shaped fixing part to be fixed on a back side bone block of the distal radius, and the strip-shaped fixing part is fixed on the radius side of the distal radius so as to enable the fracture of the distal radius to realize diaplasis locking. By using the locking external fixation device, the trauma is small, the hemorrhage is less, the incision is reduced manifold, and the cicatrix is small and attractive; and the operative complications are obviously reduced. Taking out by second operation is not required, so that hospitalization costs are saved for a patient. Moreover, the locking external fixation device is light in weight, the patient suffering from less pain, and the locking external fixation device is conducive to rehabilitation of the patient. According to the locking external fixation device, the screw path injury is small, the screw path complications are fewer, and the operative safety is improved; and as the fixation does not cross a joint, the operative interference with the wrist joint is reduced.

The invention belongs to the field of protection of knee joints and particularly relates to a knee joint fixing support. The knee joint fixing support comprises a thigh mechanism and a shank mechanism, wherein the thigh mechanism is hinged to the shank mechanism. According to the knee joint fixing support, an injured knee joint can be drawn apart at a certain gap through turning a screw sleeve ona cylinder, and muscle of a corresponding leg is tightened through a leg band doing axial movement relative to an ejector pin while fixing, so that when a person equipped with the knee joint fixing support descends stairs or is pushed and shoved carelessly, the leg where the injured knee joint is located cannot suffer from that the knee joint bears relatively high stress instantly due to empty pedaling, the injured knee joint is protected from secondary injury, and meanwhile, the knee joint fixing support can be effectively and continuously fixed to the leg and continuously and effectively plays a role in supporting the injured knee joint.

The invention provides an improved videman method rabbit knee joint fixing structure, and relates to the technical field of arthritis treatment. The improved videman method rabbit knee bone joint fixing structure is characterized in that the structure comprises a fixing box, a detachable assembly is connected to the side wall of the fixing box, a leg fixing device is fixedly connected to the side,away from the fixing box, of the detachable assembly, leg through holes are formed in the two sides of the fixing box, a head through hole is formed in the front side of the fixing box, and a restraint strap is rotatably connected to the bottom of the fixing box. According to the structure, the rabbit pelvis is fixed in a trunk fixing mode; the postures of examination, treatment and evaluation ofthe experimental rabbits are standardized; so that the reproducibility of the knee joint range of motion and imaging index measurement in the rabbit knee osteoarthritis experiment, the structure is beneficial to implementation of traditional Chinese medicine external treatment methods such as acupotomy and acupuncture and moxibustion, so that the traditional Chinese medicine external treatment methods are normalized and standardized in operation and better serve for basic research, and experimental errors are reduced.

The invention discloses an auxiliary fixing device for bone joint rehabilitation, which comprises a base, a storage battery, a supporting leg, a handrail, a graphene heating pad, a rotating shaft, a connecting rod, a hand-cranking handle, a leg joint fixing plate, a magic tape fixing belt, a massage groove, a motor, a rotating rod, a massage roller, massage particles, a damping plate and a damping spring, the supporting legs are arranged on the base, and the handrails are arranged on the supporting legs. The invention belongs to the technical field of bone joint rehabilitation, particularly relates to an auxiliary fixing device for bone joint rehabilitation, and effectively solves the problems that after a bone joint rehabilitation auxiliary fixing device in the current market fixes a joint for a long time, muscle atrophy and ankylosis are caused, rehabilitation of a patient is not facilitated. The problem that secondary injury is caused if the movement range is too large is solved, and the advantages that the fixing structure is simple, muscle joints are convenient to move, the movement range is convenient to control, and muscles can be relaxed are achieved.

The invention discloses an auxiliary fixing device for joint trauma in the orthopedics department. The auxiliary fixing device comprises two annular sleeves, the bone joint fixing assembly is located between the two annular sleeves and comprises a spherical mounting base used for covering the bone joint part, a fixing plate is arranged in the spherical mounting base and comprises an arc-shaped fixing plate, and fixing flat plates are hinged to the two ends of the arc-shaped fixing plate correspondingly; three first fastening bolts which abut against the arc-shaped fixing plate and the two fixing flat plates correspondingly are arranged on the spherical mounting base in a penetrating mode. According to the bone joint fixing assembly, the joint of a patient is fixed, the bone joint fixing assembly is fixedly connected with the annular sleeves arranged on the two sides of the bone joint of the body of the patient in a sleeving mode, the legs of the patient are stably fixed to the same position and angle, and dislocation movement of the bone joint of the patient can be avoided. In addition, the bone joint fixing assembly can achieve adjustment of the fixing position and the fixing angle, adjustment to the proper fixing angle and position is facilitated, and bone joints are prevented from being damaged.

An arthrodesis surgical method and apparatus. After a guide pin is inserted into the joint to be fused, a core saw creates a cored-out cavity in the joint to be fixated. An autograft bone core is harvested with a core saw and is inserted into the cored-out cavity. The joint is then immobilized for the healing process.

The invention provides a preparation method of animal whole-body bones and connected entirety specimen thereof, and belongs to the technical field of specimen manufacturing. The method comprises the following steps: carrying out joint corrosion prevention on a to-be-treated animal carcass material, and then carrying out corrosion treatment and joint fixation to obtain a whole-body integral bone and a connected integral display specimen thereof, wherein the corrosion treatment sequentially comprises preliminary overall corrosion, joint fixation and joint corrosion on the specimen subjected to joint corrosion. The method is simple in operation, wherein the time for manufacturing the whole display specimen is short, cartilages such as costal cartilage and part of ligaments are reserved, and procedures such as reduction, series connection and fixation or adhesion of bones are avoided. The relative position between bones of the whole display specimen is not changed, so that the morphological characteristics of the whole body bone and the connection thereof can be comprehensively and accurately observed.