45 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.

The present disclosure provides surgical systems and method for joint fixation device with a self-locking mechanism to provide stabilization and immobilization of a joint, such as a facet joint or the like. The present invention includes an elongated fixation mechanism that is placed through an opening in a joint and inserted into a retention mechanism. The retention mechanism is operable to provide a self-locking mechanism to the elongated fixation mechanism to provide fixation of the joint. In an exemplary embodiment, the present invention can be utilized by a surgeon through a minimally-invasive surgical procedure to provide facet joint fixation.

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.

An orthopedic instrument assembly for placing an implant into a medial cuneiform of a foot, the assembly includes a targeting guide having a body with an elongated linear base. A threaded rack is disposed along the elongated linear base. A compression-distraction frame pre-compresses the joint prior to placement of a joint fixation element. The compression-distraction frame is translatably connected to the rack of the guide body base. The compression-distraction frame is releasably, statically connectable to a first metatarsal bone and a post. The post has a generally cylindrical shape and a longitudinal axis, and has a plurality of threaded cylindrical bores disposed therethrough at predefined angles relative to the longitudinal axis. The post is releasably, statically connectable to the targeting guide.

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.

In general, various embodiments of the present invention comprise an external fixation device, an internal fixation device, and a lower extremity stabilizer. The external fixation device is connected to the lower extremity stabilizer and the external fixation device is adjustably connected to the internal fixation device. The internal fixation device is capable of being attached to at least one bone in a patient's foot, ankle, and / or lower extremity. The system is capable of simultaneously compressing and stabilizing at least one bone for treating Charcot neuroarthropathy, fractures, revisional foot and ankle surgery including but not limited to malunions, nonunions, delayed unions, fibrous unions, avascular necrosis, resected osteomyelitis, incorporated autogenous and / or allogenic bone grafts for arthrodesis procedures, pseudoarthrosis and bones with decreased mineral density and cortical stiffness, and / or the like for any reconstructive and / or elective foot and ankle surgery where a compression arthrodesis is needed. The external fixation device and / or lower extremity stabilizer can be removed after a certain period of time, leaving the internal fixation system within the body for prolonged stabilization and maintenance of the arthrodesis site(s).

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 the technical field of medical instruments, in particular to a multi-degree-of-freedom knee joint fixing support in knee joint arthroplasty. The multi-degree-of-freedom knee joint fixing support in the knee joint arthroplasty comprises a bottom support, an X-axis direction moving mechanism, a Z-axis direction rotating mechanism, a foot support mechanism and an X-axis direction rotating mechanism, the X-axis direction moving mechanism is arranged at the upper end of the bottom support and can move at the upper end of the bottom support in the X-axis direction, the Z-axis direction rotating mechanism is connected with the X-axis direction moving mechanism, the X-axis direction rotating mechanism is connected with the Z-axis direction rotating mechanism, and the foot support mechanism is connected with the X-axis direction rotating mechanism. The multi-degree-of-freedom knee joint fixing support can move in the X-axis direction and rotate in the X-axis direction and the Z-axis direction, multi-angle adjustment is achieved, the situation that a doctor adjusts and protects the soft tissues and ligaments of the knee joint through a retractor is replaced, and the problem of knee joint exposure can be well and stably solved.

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 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 to minimize incision size, excessive bone resection and post-operative tendon damage and tenderness. Additionally, a 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.

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 is directed to a compound of the formula I wherein the variables are as defined herein, or a stereoisomeric form thereof, mixture of stereoisomeric forms, in any ratio, or a salt thereof. Another aspect of the present invention is directed to a pharmaceutical composition comprising, a pharmaceutically effective amount of one or more compounds of formula I according to claim 1 in admixture with a pharmaceutically acceptable carrier. The invention is also directed to a method for effecting the prophylaxis and therapy of degenerative joint diseases such as osteoarthroses, spondyloses, cartilage loss following joint trauma or a relatively long period of joint immobilization following meniscus or patella injuries or ligament ruptures, diseases of the connective tissue such as collagenoses, periodontal diseases, wound healing disturbances and chronic diseases of the locomotory apparatus such as inflammatory, immunological or metabolism-associated acute and chronic arthritides, arthropathies, myalgias and disturbances of bone metabolism, for the treatment of ulceration, atheroscleroses and stenoses, and for the treatment of inflammations, cancer diseases, tumor metastasis formation, cachexia, anorexia, cardiac insufficiency and septic shock or for the prophylaxis of myocardial and cerebral infarctions, in a patient in need thereof, comprising administering to the patient a pharmaceutically effective amount of the compound of formula I according to claim 1, or a pharmaceutically acceptable salt, solvate or prodrug thereof. Furthermore the invention is directed to a method for preparing a compound of formula I.

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 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.