33 results about "Joint immobility" patented technology

The invention discloses a sacroiliac joint fixing device, and relates to the technical field of surgical instruments, the sacroiliac joint fixing device comprises an outer nail, an inner nail and a connector, threads are arranged on the peripheral wall of the outer nail, a containing hole is formed in the outer nail, a bolt head is arranged at the rear end of the outer nail, a plurality of open grooves are formed in the peripheral wall of the outer nail, the open grooves are communicated with the containing hole, and a porous structure is formed on the peripheral wall of the outer nail; the inner nail is arranged in the containing hole in a penetrating mode, the diameter of the inner nail is smaller than that of the containing hole, and the connector is detachably connected to the bolt head. The sacroiliac joint can be effectively fixed for a long time.

The utility model provides a disposable nail path protection device, and relates to the technical field of wrist joint fixing frames, the disposable nail path protection device comprises a supporting plate, a distance adjusting assembly is arranged on the surface of the supporting plate, the distance adjusting assembly comprises a fixing frame, the fixing frame is fixedly connected to the surface of one side of the supporting plate, and the distance adjusting assembly is arranged on the surface of the supporting plate. And a screw groove is formed in the surface of the other side of the supporting plate, a one-way screw is inserted into the screw groove, one end of the one-way screw is connected with a handle, and the other end of the one-way screw is connected with a first bearing. When the distance of the movable frame needs to be adjusted, the handle can be rotated to drive the one-way screw rod to rotate, so that the movable frame is moved through thread rotation, the distance between the movable frame and the fixed frame is adjusted, a screw channel can be protected through the sliding sleeve, and the overall practicability is improved; the problem that the distance of an existing nail channel cannot be adjusted according to the actual situation is solved.

The invention relates to the field of bone joint reduction, particularly discloses an orthosis for bone joint reduction and fixation, and solves the problems that an existing bone joint fixation orthosis, particularly a knee joint fixation orthosis, is single in function and is not beneficial to joint rehabilitation and later exercise recovery of a patient. The device comprises a base, a limiting box, an opening, a sliding frame, a clamping base, a fixing clamping plate, an adjusting assembly, a rotating shaft, an upper protection plate, a side plate, a sliding frame, a pressing base, a first rotating plate, a sliding base, a cam and a driving assembly, the outer side of the limiting box is slidably connected with a pulley, and a linkage assembly is arranged in the limiting box and used for driving the pulley to slide on the outer side of the limiting box. According to the device, the knee joint of a patient can be stably limited, fixed and corrected, the legs of the patient cannot be tightly clamped, blood circulation of the legs of the patient is facilitated, meanwhile, auxiliary pressing massage can be further carried out, muscles of the patient can be stimulated to keep vitality, and the follow-up rehabilitation exercise period is shortened.

The invention relates to the technical field of medical instruments, in particular to a flexible joint structure, a surgical instrument and a surgical robot. The flexible joint structure comprises a joint assembly, a driving wire and an elastic body. The joint assembly comprises a plurality of movable joints which are sequentially connected along the same axis, and every two adjacent movable joints are connected in a matched mode and form a transverse deflection freedom degree. The driving wire sequentially penetrates through all the movable joints in the axial direction of the joint assembly, the driving wire is fixedly connected with the movable joint at the far end of the joint assembly, and the joint assembly is deflected and bent towards the traction side by pulling the driving wire; the elastic body sequentially penetrates through all the movable joints in the axial direction of the joint assembly and forms radial elastic constraint on all the movable joints. Through the arrangement of the elastic body, the multiple movable joints can move cooperatively through a deformation transmission mechanism between the elastic body and the movable joints, the phenomenon of incoordination generated when the joint assembly is bent due to independent control over all the movable joints is avoided, and the overall performance of the joint assembly is improved.

The invention relates to the technical field of medical apparatus and instruments, and discloses a novel adjustable knee joint fixing and correcting device for limb fracture rehabilitation, which comprises two thread rotation type height adjusting mechanisms and two thread stress type clamping mechanisms. According to the novel adjustable knee joint fixing and correcting device for limb fracture rehabilitation, the position state of a clamping part can be automatically adjusted according to the specific injured part of a patient, so that the clamping effect is better, in addition, the device uses liquid pressure as a clamping power source, and the device is convenient to use. Meanwhile, the knee joint of the patient is effectively clamped in cooperation with the elastic rubber bag, the characteristic of high fitting degree is achieved, so that the clamping force on the knee joint of the patient is more uniform, and the stress pressure on the knee joint of the patient caused by the liquid pressure in unit area is reduced; and the stability and the safety degree of the clamped bone are improved.

The utility model discloses an osteoarthritis middle-symptom joint fixator which comprises an upper support, a lower support and a connecting mechanism connected between the upper support and the lower support. The upper support comprises an upper support arm corresponding to the side face of the leg, an upper surrounding part connected to the upper support arm and extending towards the front side of the thigh in an arc mode, and a first upper connecting belt matched with the upper surrounding part to bind the upper support to the leg, and the first upper connecting belt is detachably assembled with the upper surrounding part and / or the upper support arm through a quick snap fastener. The lower support comprises lower support arms corresponding to the side faces of the legs, lower enclosures connected to the lower support arms and extending towards the rear sides of the shanks in an arc mode, and first lower connecting belts matched with the lower enclosures to bind the lower support to the legs, and the first lower connecting belts are detachably assembled with the lower enclosures and / or the lower support arms through quick snap fasteners. The joint fixator for osteoarthritis can be stably worn on the legs of a user and prevented from loosening, and the joint fixator for osteoarthritis can be quickly worn through quick disassembly and assembly of the quick snap fasteners.

The invention discloses a joint fixing device for bone joint surgical nursing, and relates to the technical field of bone joint surgical nursing equipment, the joint fixing device comprises a front fixing protector and a rear fixing protector for fixing a lower limb thigh and a lower limb shank; the two movable angle adjusting devices are symmetrically arranged at the butt joint points of the two sides of the front fixing protective tool and the rear fixing protective tool; the movable angle adjusting device comprises a connecting assembly arranged at the butt joint point of the front fixing protection tool and the rear fixing protection tool, and the front fixing protection tool and the rear fixing protection tool are connected through the connecting assembly and rotate by multiple angles with the connecting point as the axis. An angle adjusting assembly is arranged at the side end of the connecting assembly, and a locking assembly is arranged at the side end of the angle adjusting assembly. According to the leg bending training device, the effects that the legs of the patient can be effectively fixed and cannot move, when bending training is needed, the bending angle range is adjusted in real time according to the training process, and operation is convenient and fast are achieved.

The utility model relates to the technical field of knee joint fixing, in particular to a knee joint fixing brace for children, which comprises a first support plate (100) and a second support plate (200) which are oppositely arranged, and at least two first belt buckles (104) and at least two second belt buckles (105) are arranged on one side of the first support plate (100). One side of the second supporting plate (200) is provided with at least two third belt buckles (204) and at least two fourth belt buckles (205), and the first belt buckle (104) of the first supporting plate (100) is provided with a hook-and-loop fastener bandage (300). The hook-and-loop fastener bandage (300) sequentially penetrates through the third belt buckle (204), the fourth belt buckle (205) and the second belt buckle (105), corresponding to the first belt buckle (104), on the second supporting plate (200) and then is folded back to be adhered to the hook-and-loop fastener bandage (300). The leg rehabilitation device not only can be adjusted according to the length and thickness of the legs of a patient, but also is light in overall weight and free and convenient to wear.

The present invention provides an intramedullary nail structure comprising a first fixing nail, a second fixing nail, and a first flexible connector. The first end of the first flexible connector is disposed within and connected to the first fixing nail, and the second end of the first flexible connector is disposed within and connected to the second fixing nail. The first and second fixing nails are movable relative to each other via the first flexible connector. The technical solution provided in this application can address the prior art issue of joint immobility after fusion therapy.

The application relates to the field of bone joint reduction, and particularly discloses an orthosis for bone joint reduction and fixation, which solves the problems of single function of existing bone joint fixation orthosis, especially the fixation orthosis for knee joints, and the problems of being not conducive to the rehabilitation of the joints of patients and the post-exercise recovery, and the orthosis comprises a base, a limiting box, an opening, a sliding frame, a clamping seat, a fixing clamping plate, an adjusting assembly, a rotating shaft, an upper guard plate, a side plate, a sliding frame, a pressing seat, a rotating plate I, a sliding seat, a cam, and a driving assembly, the outer side of the limiting box is slidably connected with a pulley, a linkage assembly is arranged in the limiting box, and the linkage assembly is used for driving the pulley to slide on the outer side of the limiting box. The device can stably position and fix the knee joints of patients and perform orthosis, does not cause relatively tight clamping to the legs of the patients, is conducive to blood circulation of the legs of the patients, can also assist in pressing and massaging, is conducive to stimulating the muscles of the patients to keep active, and reduces the subsequent rehabilitation and exercise period.

An expandable sacroiliac (SI) joint fixation device includes a housing translationally coupled to a distal pivot body along a longitudinal axis. At least one endplate is pivotally coupled to the distal pivot body and configured to pivot outwardly from a closed position to an expanded position upon translation of the housing toward the distal pivot body. At least one deployable anchor is movably coupled to the distal pivot body and configured to move from a retracted position within the endplate to a deployed position extending outwardly through the endplate and into bone adjacent to the SI joint. An actuation mechanism, including a screw drive, is configured to simultaneously cause the endplates to expand and the anchors to deploy, providing both joint distraction and enhanced fixation in a single actuation step. The device is inserted in a compact configuration through a posterior approach and expanded in situ.

The utility model provides a subtalar joint fixing device, and belongs to the technical field of medical instruments. The subtalar joint fixing device comprises a foot support, and the foot support is arranged on the heel portion of a wearer in a sleeving mode. The foot support comprises a bottom plate, a first side plate and a second side plate, the first side plate and the second side plate are arranged at the top ends of the two sides of the bottom plate, the first side plate and the second side plate are oppositely bent inwards, and the top ends of the first side plate and the second side plate are sunken towards the bottom plate to form grooves. The first side plate and the second side plate are attached to the ankle of a wearer. The subtalar joint fixing device is simple in structure, good in adaptability and high in safety, the front foot activity space can be fully opened, the wearing discomfort is reduced, and a user can exercise by himself to remodel muscle ligaments and exert force during walking.

Devices, systems, and methods for surgical treatment of mid-foot disorders such as osteoarthritis, spacing disorders, or alignment disorders, including mid-foot arthroplasty devices and systems for the 2nd and 3rd tarsometatarsal (TMT) joint, implants for post-osteotomy spacing and realignment, arthroplasty articular implants, dowel grafts for TMT arthrodesis or fusion, dowel grafts for navicular cuneiform (NC) arthrodesis, dowel grafts for intercuneiform arthrodesis, and / or locking dowels for joint fusion.

The invention discloses a knee joint fixing brace and a using method thereof, and belongs to the technical field of medical instruments, the knee joint fixing brace comprises a thigh fixing support and a shank fixing support, air bags are arranged on the inner side walls of the thigh fixing support and the shank fixing support, the air bags are connected with an external pressure pump through air pipelines, and air pressure valves are arranged on the air pipelines; the thigh fixing support and the shank fixing support are connected together through a connecting assembly to form a cylindrical structure, an upper connecting rod is arranged on the outer side wall of the thigh fixing support, a lower connecting rod is arranged on the outer side wall of the shank fixing support, and the upper connecting rod and the lower connecting rod are connected together through a hinge assembly. Gradient pressure changes are applied to limbs, the limbs are regularly inflated and deflated, the effect similar to muscle contraction and relaxation is generated, blood backflow and lymph circulation are promoted, blood supply of local tissue is improved, blood circulation is promoted, edema is relieved, and the risk of lower limb deep vein thrombosis is reduced.

A bone fixation system configured to fix one or more bone segments of extremity bones is provided.

The invention discloses a limb protection device for fall injury nursing, which relates to the technical field of medical apparatus and instruments and comprises a foot fixing assembly for fixing a human foot, a knee joint fixing assembly for fixing a human knee joint and an ankle joint protection assembly for adapting to a human ankle joint, the knee joint fixing assembly, the foot fixing assembly and the ankle joint protection assembly are detachably connected in sequence; the foot fixing assembly, the knee joint fixing assembly and the ankle joint protection assembly are arranged and matched with a detachable connection mode, all-directional protection covering key parts of the lower limbs of the human body is formed, movement of the key joints of the lower limbs can be limited, the ankle joints and the knee joints can be protected at the same time, secondary injury is effectively prevented, and the safety of the human body is improved. Meanwhile, ankle joints can be massaged, flexible combination is achieved according to requirements, the nursing requirements of different fall injury parts are met, and a reliable guarantee is provided for nursing and rehabilitation of fall injury limbs.

The utility model relates to X, and particularly discloses a line pressing locking plate for joint fixation, which comprises a bottom plate, locking nail holes are symmetrically arranged at two ends of the bottom plate, a groove is arranged in the middle of the bottom plate, a first screw hole penetrating through the bottom plate is arranged in the groove in the middle of the bottom plate, a line slot shaped like a Chinese character'mi 'is arranged in the middle of the bottom plate, and the line slot shaped like the Chinese character'mi' penetrates through the groove; the wire pressing plate is arranged in the groove, a second screw hole is formed in the wire pressing plate, a wire locking device screw is arranged in the second screw hole, and the wire pressing plate is connected and matched with the first screw hole through the wire locking device screw; a notch is formed in the bottom of the wire locking device screw; the bottom plate can be conveniently and quickly placed at a joint and the like needing to be fixed, and the bottom plate is fixed on a bone by using screws through the locking nail holes in the two ends; therefore, the whole device forms a stable fixing structure, further dislocation of the joint can be effectively prevented, the operation is relatively simple, and the fixation is relatively firm.

The invention relates to the technical field of medical instruments, and provides a snake bone structure, a flexible slender structure and a flexible surgical system.The snake bone structure comprises a joint, an elastic part and a control element; an elastic piece is arranged between every two adjacent joints; the elastic piece is fixedly connected with the joint; the elastic piece has elasticity; a control element channel is arranged on the joint, and the control element is arranged in the control element channel in a penetrating mode. The flexible slender structure comprises a bending section and an insertion section, the bending section is connected with the insertion section; the bent section comprises a snake bone structure; a flexible surgical system includes a trolley system, a control system, a positioning arm, an insertion arm, a guide bracket, a drive assembly, and a flexible elongate structure. According to the technical scheme, accurate control over bending of the snake bone structure and the flexible slender structure can be achieved, the consistency of the axial position is kept, the snake bone structure can be smaller in size and suitable for operation in a smaller cavity, and cost is greatly reduced.

The utility model relates to the technical field of medical instruments, in particular to a rotary opening type atlantoaxial lateral mass joint supporting fusion device. Comprising a supporting body, the supporting body is provided with four side faces which are sequentially connected end to end, the four side faces are two symmetrically-arranged insertion contact faces and two symmetrically-arranged supporting contact faces respectively, the head of the supporting body is in a triangular wedge shape, and the tail of the supporting body is detachably connected with a surgical operation handle; and the width of the insertion contact surface is gradually reduced from one end close to the head part to one end close to the tail part. According to the supporting fusion device, the width of the contact surface where the supporting body is inserted is gradually reduced from the end close to the head to the end close to the tail, when the supporting contact surface makes contact with the joint, the supporting body is in the state that the front end is high and the rear end is low, and the function of fixing the angle of the atlantoaxial lateral mass joint is achieved; the regulation and control of the atlantoaxial lateral mass joint fixing angle and the physiological fusion function are achieved through a minimally invasive surgery method.

A bone fixation system configured to fix one or more bone segments of extremity bones is provided.

The utility model relates to the technical field of clamping plates, in particular to a clamping plate convenient for joint fixation, which comprises an end supporting plate, an extension supporting plate is inserted into one end of the end supporting plate, binding belts are fixed on the surfaces of the end supporting plate and the extension supporting plate, and one ends of the two binding belts are respectively fixed on the bottom surfaces of the end supporting plate and the extension supporting plate through magic tapes; the clamping plate has the beneficial effects that the clamping plate is composed of the end supporting plate and the extending supporting plate, and rapid assembly and disassembly are achieved in the mode that the assembly grooves and the assembly strips are connected in an inserted mode. The clamping plates can be easily assembled and adjusted without tools or additional operation steps. According to the finger length of a user, the extension supporting plates with the matched number can be selected for splicing, and it is ensured that the clamping plates are matched with fingers with different lengths. In addition, through the design of the binding belts and the hook-and-loop fasteners, the clamping plates can be tightly attached to the fingers of different thicknesses, and the fixing comfort and stability are improved.

Techniques are disclosed for posing three-dimensional (3D) objects in extended reality (XR) environments using multiple hands. In some embodiments, an animation application selects a posing mode based on user interactions and adjusts joints and / or bones associated with a 3D object based on the posing mode and the user interactions. The posing mode can be a symmetric bimanual posing mode in which two joints are selected and adjusted simultaneously, an asymmetric bimanual posing mode a reference joint is selected with one hand to serve as a pivot while a second joint is adjusted by another hand, a virtual hand posing mode in which virtual hands are created to fix joints in place, or a bone manipulation mode in which bones can be selected and adjusted, with adjustments to the bones influencing joints that are connected to the bones.

Devices, systems and methods for surgical treatment of mid-foot disorders such as osteoarthritis, spacing disorders, or alignment disorders, including mid-foot arthroplasty devices and systems for the 2nd and 3rd tarsometatarsal (TMT) joint, implants for post-osteotomy spacing and realignment, arthroplasty articular implants, dowel grafts for TMT arthrodesis or fusion, dowel grafts for navicular cuneiform (NC) arthrodesis, dowel grafts for intercuneiform arthrodesis, and / or locking dowels for joint fusion.

The weight line confirmation device comprises a force rope which is located above a patient and used for displaying the weight line of the lower limb, and the two ends of the force rope are arranged on a hip joint femoral head center determiner and an ankle joint center determiner respectively; the hip joint femoral head center determiner comprises a door-shaped mounting frame which is mounted on an operating bed, and a front side fixing assembly which is used for fixing one end of a force rope and can be adjusted up and down is arranged on the mounting frame; the ankle joint fixator comprises a foot fixing assembly used for fixing the foot, a rear side fixing assembly used for fixing the other end of the force rope and capable of being adjusted in the left-right direction and the up-down direction, and a pressure applying assembly used for applying pressure to the foot. A force rope is arranged for simulating a lower limb weight line, the lower limb weight line is visible, comparison of the lower limb weight line is convenient to correct, meanwhile, a pressure applying assembly is arranged on an ankle joint fixator, when the lower limb weight line is determined, pressure can be applied to a foot, the standing state is simulated, and then the accuracy of simulation of the lower limb weight line is guaranteed.

The utility model discloses a joint fixing device for medical imaging examination, which relates to the technical field of limb joint fixation and comprises two fixing support frames, a plurality of fixing magic tapes are arranged at the bottom ends of the fixing support frames, and an angle fixing component is arranged at a contact point between the two fixing support frames. A support lining is arranged on the inner side of the fixed supporting frame. Through mutual cooperation of the adjusting threaded column, the movable adjusting block, the pulley supporting shaft, the tension pulley and other structures, the movable adjusting block is controlled to move in the movable adjusting groove, the position of the tension pulley is changed, and therefore the tension of the elastic rope is adjusted, and the device can adapt to limb thicknesses and joint conditions of different patients; and through mutual cooperation of angle rotating gears, angle smooth sliding grooves and supporting columns at the two ends of the fixing supporting frame, fixing can be conducted after the angle is adjusted through fixing pressing pieces and fixing screws in the angle fixing assemblies, and the requirements of different types of medical image examinations for joint fixing angle diversification are met.

The utility model discloses an orthopedics department clinical joint fixing support in the technical field of orthopedics department, which comprises a support body, an air bag is arranged on the inner side of the support body, an air cylinder is fixedly arranged on the outer side of the support body, and the part, located on the inner side of the support body, of the outer side end of a connecting pipe is fixedly connected to the air bag; a movable frame is fixedly arranged on the upper side of the mounting disc; a toothed plate is fixedly arranged on the inner side of the fixed block; a movable plate is movably arranged on the outer side of the movable frame; a plurality of groups of toothed grooves in butt joint with the toothed plate are formed in the outer side of the movable plate; a positioning mechanism in butt joint with the movable plate is arranged on the inner side of the movable frame. By means of the simple installation structure, the nude joint support can be conveniently adjusted to the degree of tightness comfortable for a patient, rehabilitation of the patient is better facilitated, and the nude joint support is good in practical effect and worthy of being used and popularized in the existing market.

Devices and methods for generating fusion between two bones to promote healing are provided, including instrumentation and methods for performing distraction arthrodesis SI joint fusion. Said instruments include a joint finder, working cannula, and a plunger delivery device wherein implantation of a spacer to promote fusion does not require the spacer to be impacted with a hammer. Said methods include the steps of locating the entrance to the sacroiliac joint with a guide wire, distracting the joint with a joint finder, inserting a working cannula to hold the joint in a distracted state, drilling a cavity in the sacroiliac joint at the distal end of the working cannula, and inserting a spacer into the prepared cavity of said sacroiliac joint.

The utility model provides a joint fixing support frame for medical image detection, which belongs to the field of medical auxiliary equipment and comprises a photography frame, a lifting component and a fixing component. A mounting frame is mounted at the top of the photographing rack, and two sliding blocks are mounted in the mounting frame in a sliding manner; the supporting arm is installed on the surface of the sliding block, the lifting rod is installed at one end of the supporting arm in a sliding mode, the support is installed at the bottom of the lifting rod, and due to the fact that the fixing holes are formed in the surfaces of the supporting arm and the lifting rod, when the lifting rod slides in the supporting arm in a lifting mode, the support can be driven to ascend and descend, and the height of the support is adjusted. After the height of the support is adjusted, a fixing pin is inserted into a fixing hole in a penetrating mode, so that the supporting arm and the lifting rod are fixed, the height of the support is kept unchanged, and image shooting is facilitated.

A bone fixation system configured to fix one or more bone segments of extremity bones is provided.

Techniques are disclosed for posing three-dimensional (3D) objects in extended reality (XR) environments using multiple hands. In some embodiments, an animation application selects a posing mode based on user interactions and adjusts joints and / or bones associated with a 3D object based on the posing mode and the user interactions. The posing mode can be a symmetric bimanual posing mode in which two joints are selected and adjusted simultaneously, an asymmetric bimanual posing mode a reference joint is selected with one hand to serve as a pivot while a second joint is adjusted by another hand, a virtual hand posing mode in which virtual hands are created to fix joints in place, or a bone manipulation mode in which bones can be selected and adjusted, with adjustments to the bones influencing joints that are connected to the bones.