80 results about "Fixation bone" patented technology

The present invention provides an osteosynthesis plate for fixing bone fragments in the repair of bone, particularly the mandible. [Solution] The plate body P comprises a plate body having at least one bridge portion BU used to bridge a gap S extending between bone fragments K1, the plate body comprising fixing portions BA1, BA2 each associated with at least one fixing point, at least one fixing point BP1, BP2 of the fixing portions formed on an island portion IA, the island portion being connected to each associated fixing portion only via spring segments FS1, FS2 which allow elastically restorable relative displacement between each fixing portion and each island portion, at least one of the spring segments causing relative displacement between the island portion and the associated fixing portion when a load is applied in the principal loading direction of the bone, and increasing the distance between the island portion and at least one bridge portion.

A bone clamp (1, 200, 300) for use in fixation of a fractured bone, or prevention of fracture of a bone, the clamp (1, comprising a pair of handles (2a, 2b) joined together at a pivot point (5), the handles (2a, 2b) each having an arcuate jaw (4a 4b), the arcuate jaws (4a, 4b) comprising a first end (7a, 7b) having an opening at a proximal end (12a, 12b) of the jaw (4a, 4b) in communication with a second end (8a, 8b) having an opening at a distal end (14a, 14b) of the jaw (4a, 4b), the first end (7a, 7b) and second end (8a, 8b) in communication via a channel (6a, 6b), in which the channel (6a, 6b) is configured to accommodate a cable, a wire, a suture, a band or other suitable flexible material, and wherein the channel (6a, 6b) is an open channel.

The invention discloses a reduction and fixation orthopedic correction device for the orthopedics department, and particularly relates to the field of correction devices. Comprising two shells which are oppositely arranged; the two limiting frames are arranged on the outer walls of the same sides of the two shells correspondingly; the first limiting teeth are arranged in the limiting frame; the limiting rod is arranged in the other limiting frame, and the second limiting teeth are clamped with the first limiting teeth; the plurality of clamping pieces are rotationally connected to the two shells respectively; the angle adjusting assembly is arranged in the two shells, and the angle adjusting assembly can adjust the rotating angle of the clamping piece according to the limb shape of the patient. By the adoption of the technical scheme, the problems that an existing clamping plate type fixing device is high in technical requirement for operators and inconvenient to adjust are solved, the wearing efficiency of the correction device is improved, and the labor intensity of medical staff is reduced.

The utility model discloses a novel orthopaedic orthopedic device for reduction and fixation, which relates to the technical field of orthopaedic orthopedic devices and comprises an upper fixing ring and an adjusting arm ring movably connected with the upper fixing ring, side seats are symmetrically arranged on the side surfaces of the upper fixing ring and the adjusting arm ring, an adjusting rod is clamped between the two side seats, and the adjusting rod is movably connected with the upper fixing ring. By means of the movable connection design of the upper fixing ring and the adjusting arm ring and the threaded connection mode of the side face seat and the X insertion frame through the limiting threaded rod, the orthopedic device for the orthopedics department achieves height adjustability, a doctor can adjust the position of the orthopedic device according to the specific fracture condition and orthopedic requirements of a patient, and the orthopedic device for the orthopedics department is convenient to use. The angle, the position and the fastening degree of the device are flexibly adjusted, meanwhile, due to the design of the limiting threaded rod, the stability of the device in the using process is guaranteed, looseness or displacement caused by movement or external force of a patient is effectively prevented, and therefore the orthopedic effect and the success rate of treatment are greatly improved.

The present application belongs to the technical field of medical devices, and particularly relates to a TPLO animal special bone plate, which comprises a handle body extending vertically as a whole for connecting a tibia stem, the top end of the handle body is suspended to form an arm body extending transversely as a whole for connecting a bone cut, the plate body of the handle body and the arm body is respectively provided with a protruding unit, when the protruding unit is positioned against the tibia, the plate body of the handle body and the arm body is arranged in the gap between the tibia. The arm body extending transversely as a whole can reliably support the middle and lower part of the bone cut, while reducing the surface area of the bone plate head covering the bone cut, and can also ensure the effective fixation of the bone plate to the bone cut. The protruding unit arranged on the inner side of the bone plate and the tibia form a point contact, which can ensure the reliable positioning of the bone plate and the tibia, and also keep a gap between the bone plate and the tibia for blood delivery and circulation, which is beneficial to the blood circulation of the bone block covered by the bone plate.

The application discloses a guiding locking device and a fracture fixation system thereof, and relates to the technical field of medical devices. The guiding locking device comprises a guiding locking pipe and a locking piece, at least one strip-shaped slot is arranged on the pipe wall of the guiding locking pipe and communicates with the pipe cavity of the guiding locking pipe, the strip-shaped slot penetrates through the locking end, and the locking piece can drive the pipe wall of the locking end to contract. The fracture fixation system comprises a bone plate, a bone needle and the guiding locking device, a fixing through hole is arranged on the bone plate, the connecting end of the guiding locking pipe is fixedly connected with the fixing through hole, the guiding locking pipe is arranged perpendicularly to the bone plate, the bone needle is arranged in the pipe cavity of the guiding locking pipe, and the locking piece can drive the pipe wall of the locking end to contract and clamp the bone needle. The application reduces the risk of fracture displacement when the bone needle is used to fix the fracture; avoids the influence of the bone needle on the placement of the bone plate; shortens the length of the bone needle entering the medullary cavity, so that the application scene of the temporary fracture fixation technology of the bone needle is not limited in the treatment of the fracture by the intramedullary nail; and the stability is better than that of the multiple bone needles used to fix the fracture.

A method of securing bones for fusion includes positioning an implant guide sleeve on a first bone, a second bone, and across a separation between the first bone and the second bone, the method further includes using the implant guide sleeve to guide creation of a first implant hole in the first bone and to guide creation of a second implant hole in the second bone, aligning an inserter operably connected to the implant with the implant guide sleeve, and advancing the inserter relative to the implant guide sleeve to position the implant in contact with the first bone and the second bone, wherein the implant bridges the first bone and the second bone.

1. Name of the product in this design: Straight Bone Plate. 2. Purpose of this design: This design is used for fixing bone plates at fracture sites. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D rendering 1.

Systems for treating bone fractures are disclosed. Exemplary systems may include a backpack and one or more bone plates for engaging bone members. The backpack may be configured to be temporarily attached to the bone plate in order to provide trajectories for fasteners received by the bone plate. The bone plates can receive one or more screws to secure the bone plates to an underlying bone member. The one or more screws can be inserted into bone plate holes that can be considered locking or non-locking. The bone plates described herein can have particular combinations of locking and / or non-locking holes. Additional bone plate holes can be used to accept sutures, K-wire, or other instrumentation.

This invention discloses a piezoelectric sensing adaptive internal pressure fixation bone plate system for treating tibial plateau fractures, belonging to the field of orthopedic implantable medical devices. It includes a bone plate, pressure bolts, and an external control module. The bone plate is available in three specifications according to the Schatzker classification: lateral L-type, medial T-type, and bilateral composite type, with transverse internal pressure holes. The pressure bolts embed a PZT-5H piezoelectric sensing device and have an overload-resistant groove between the head and neck, enabling real-time acquisition of the compressive stress at the bolt-bone interface. The external control module transmits signals wirelessly via Bluetooth 5.0 and uses a PID algorithm to non-contactly drive the bolts via magnetic field coupling to adaptively adjust the compressive stress to 30–50 MPa. The system has two levels of safety protection: 55 MPa coil power-off protection and 80 MPa groove breakage protection. This system eliminates the need for secondary surgery, dynamically maintains optimal stress throughout the fracture healing cycle, with a healing time ≤12.5 weeks, a complication rate ≤4%, and an excellent / good knee HSS score rate ≥88%. It is suitable for Schatzker type I-VI tibial plateau fractures.

1. Name of the product in this design: Bone Plate (Y-type). 2. Purpose of this design: This design is used for fixing bone plates at fracture sites. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

A system including a tensioning element and a fixation element, the tensioning element including a connection element configured to be coupled to a fixation element and an anchoring element configured to be coupled to an external fixation point, the tensioning element being operable to apply a tension between the connection element and the anchoring element, the fixation element including a first portion configured to be coupled to the tensioning element and a second portion configured to be coupled to a bone, the tensioning element and the fixation element being configured to cooperate to apply a tension between the bone and an external fixation point when the anchoring element of the tensioning element is coupled to the external fixation point, the second portion of the fixation element is coupled to the bone, and the tensioning element is operated to apply the tension, thereby retaining the bone in a fixed position.

Tibial plateau leveling osteotomy (TPLO) bone plates for use in four-legged animals including canines and felines are disclosed, with the bone plates having one or more suture holes configured for suturing muscle such as the pes anserinus muscle group to the TPLO bone plate. The one or more suture holes may be positioned on a leading edge of the bone plate and shaped so that the tails of a suture engaged with the suture hole are directed medially from the underlying fixed bone.

The invention discloses orthopedic nail taking equipment and a using method thereof, and relates to the technical field of medical nail taking devices.The orthopedic nail taking equipment comprises a nail taking device used for fixing the end of a bone nail and stably moving the bone nail out, the nail taking device comprises a mounting shell and a fixator, one side of the mounting shell is of an opening structure, and a positioning opening is formed in the other side of the mounting shell; the fixator comprises a fixing shell, a mounting piece and a rotary nail clamping assembly, the fixing shell is clamped in the positioning opening, the mounting piece is mounted on one side of the fixing shell, the mounting piece is clamped in the mounting shell, the rotary nail clamping assembly is arranged in the fixing shell, and the rotary nail clamping assembly is used for clamping, fixing and loosening the end of the bone nail. The exposed part of a forearm bone nail of a patient can be fixed through the nail taking device and the positioning assembly, the bone nail can be driven to rotate and be separated from a forearm muscle adhesion position when the bone nail is automatically fixed through the rotating nail clamping assembly, and meanwhile the pulling-out angle of the bone nail can be limited; therefore, the muscle of the patient can be prevented from being torn and damaged when the nail is taken.

An osteosynthesis plate (P) for fixing bone fragments incudes an elongate main body (G) with a top side (G1) and an underside (G2) opposite the top side (G1). The underside (G2) is provided for placing the osteosynthesis plate (P) on the bone fragments. The osteosynthesis plate (P) includes multiple openings (A) for accommodating one screw (SK) each. An annular insert (R) formed in one piece is arranged in at least one of the openings (A). The insert (R) includes a first and a second portion (R1, R2). The first portion (R1) faces the top side (G1) and is arranged directly adjacent to the second portion (R2) in the axial direction. The first portion (R1) has a non-rotationally symmetrical outer contour (AD1) and the second portion (R2) has a rotationally symmetrical outer contour (AD2).

The application discloses a reduction device for femoral comminuted fracture surgery and belongs to the technical field of medical devices. The device comprises a guide rail, three sliding mechanisms are arranged on the guide rail, the bottom of the two side sliding mechanisms is connected with an electric control clamping mechanism through an extension mechanism, the electric control clamping mechanism is used for fixing the distal end and the proximal end of the fractured part, and the bottom of the middle sliding mechanism is connected with a component box. A roller is rotatably arranged in the component box through a bearing seat, gears are arranged at the two ends of the roller, a rope hook is arranged at the middle part of the roller, and the roller is connected with the shaft center of a take-up pulley outside the box. A rack meshing with the gears is arranged in the box, and the bottom end of the rack is connected with an arc-shaped pressing plate with a thermoplastic sheet. One end of a positioning rope is connected with the rope hook, the positioning rope is wound downwards through the pressing plate and then connected upwards to the component box. When the take-up pulley is rotated, the gears drive the rack to drive the pressing plate to press the bone downwards, and meanwhile, the roller drives the positioning rope to be synchronously wound and pulled. The application solves the pain points of uneven force of traditional reduction and complicated operation, and realizes accurate reduction and stable maintenance of the fractured part.

This utility model discloses an internal fixation bone transport system comprising a slide rail, pulleys, and titanium cable structure, including: an internal fixation bone transport guide plate assembly and an adjusting sleeve for the internal fixation bone transport system disposed on the internal fixation bone transport guide plate assembly. The adjusting sleeve for the internal fixation bone transport system includes: a fixed tube, a base tube threaded to both ends of the fixed tube, and an adjusting tube. The fixed tube is sleeved on the sleeve base of the internal fixation bone transport guide plate assembly, and a locking device is sleeved at the distal end of the fixed tube of the adjusting tube. This utility model uses pulleys and titanium cables to pull the bone to be transported, and achieves bone transport by pulling the titanium cable through a detachable screw-type adjusting sleeve. Compared with traditional external fixation bone transport, this can be completed within the patient's skin and flesh tissue, avoiding long-term wearing of external fixation braces, reducing the burden on the patient, and facilitating limb movement during bone transport.

Systems and methods for fixing bone using an intramedullary nail locked to an encircling anchor including a bushing and a locking member. An exemplary system may include any combination of the nail, one or more bushings, one or more locking members, an instrument to guide installation of the bushing, at least one drill, and a driver that attaches to the bushing. The instrument may define a guide axis and be configured to be coupled to a bone such that the guide axis extends across the bone. The instrument may be used to guide a drill, the bushing, and / or the locking member along the guide axis into the bone. The nail may be configured to be placed along the medullary canal of the bone such that the nail extends through the bushing, and the locking member may be configured to lock the nail to the bushing.

The invention discloses a treatment fixing device for rib fracture, and belongs to the technical field of medical instruments. The device comprises a surrounding claw, the surrounding claw is composed of grasping parts, a top face and a locking part, and the two grasping parts are symmetrically arranged at the front end and the rear end of the top face and jointly form a grasping space used for fixing a fracture part; a locking belt of the locking part is clamped with a buckle on the top face through meshing teeth, and anti-reverse teeth in the buckle ensure stable locking. One or more embracing claws connected through the connecting parts can be selected according to the fracture condition, the whole embracing claw is made of absorbable materials, and the grasping force is enhanced through the threaded structures of the top faces and the inner surfaces of the connecting parts. The fixing device is good in fixing effect and suitable for different fracture scenes, secondary surgery is avoided due to the degradable characteristic, and the problems that in the prior art, a fixing device is poor in adaptability, foreign matter is left and the like are effectively solved.

The application relates to the technical field of medical products, and discloses a bone nail fixing device. The bone nail fixing device is used for fixing a bone nail, and the bone nail fixing device comprises a nail fixing main body and a supporting shell. The nail fixing main body is sequentially provided with a guide channel and a nail clamping section. The guide channel is used for allowing a tool to pass through, and the nail clamping section is used for clamping the bone nail. The bone nail can be separated from the nail clamping section under the action of the tool. One end of the supporting shell is connected to the nail fixing main body, and the other end of the supporting shell extends beyond the nail clamping section. The application realizes the fixation of the bone nail before implantation, does not need manual holding, reduces the operation difficulty, and improves the operation success rate. Furthermore, the supporting shell is arranged, on one hand, the bone nail is convenient to adjust, so as to be aligned with a to-be-installed position; and on the other hand, the problem that the fixing precision of the bone nail fixing device is poor when the bone nail fixing device is used for installing the bone nail in a suspended state is solved, the skew phenomenon of the bone nail is prevented, and the installation precision of the bone nail is improved.

The utility model discloses a fracture connecting suite for orthopedic surgery, relates to the technical field of medical instruments, and aims to solve the problems that the existing winding fixing mode has the probability of loosening after being used for a long time, the protection on fingers at fracture is low, the condition of secondary bruise exists, the use stability of a fixing piece at the finger fracture is reduced, and the use cost is reduced. The finger rehabilitation device comprises a palm sleeve arranged outside a palm in a sleeving mode, a plurality of finger fixing pieces combined with fingers are fixedly arranged on one side of the palm sleeve, each finger fixing piece comprises an upper cover, and a lower cover is fixedly installed at the bottom of each upper cover; by means of the design that the upper cover and the lower cover are separated and combined, installation and operation can be facilitated, fingers at the fractured position can be wrapped conveniently, then the fixing plate can be extruded to move under the movement of the adjusting block in cooperation with clamping of the clamping plate, and the fixing device has the advantages that the fractured finger fixing position is stable, and protectiveness is enhanced.

The utility model provides a kind of intelligent bone external fixation support of micro motion, including tail box, control system, fixed sliding block and micro motion sliding block, tail box one end is equipped with connecting rod and micro servo electric jar, fixed sliding block is installed on connecting rod and position is adjustable, micro motion sliding block is slidably arranged on connecting rod, the telescopic end of micro servo electric jar is hinged with micro motion sliding block, for driving micro motion sliding block moves along connecting rod, fixed sliding block and micro motion sliding block are all installed with screw for fixing bone, force sensor for measuring the telescopic end of micro servo electric jar thrust and position sensor for measuring the telescopic displacement of telescopic end of micro servo electric jar are equipped on micro servo electric jar, control system is arranged in tail box, and respectively with micro servo electric jar, force sensor and position sensor electric connection.The utility model cooperates through control system, micro servo electric jar and sensor, can realize high-precision micro motion control, it is easy to operate and cost is reasonable.

An improved external fixator assembly for fixating fractures that includes a proximal frame assembly, a distal frame assembly and a polyaxial joint. The polyaxial joint comprises articulating components that engage to have multi-axial or polyaxial translational motion to allow for distraction / reduction and adjustment of flexion / extension, radial / ulnar deviation, pronation / supination of the wrist to an optimal wrist position. The polyaxial joint may be lockable. Fixation screws are also provided for engaging the patient's bone tissue on opposite sides of a fracture.

The invention provides an integrated orthopedic fixation system that enhances precision, reproducibility, and biomechanical stability in bone and soft-tissue repair. In one aspect, a loop suture includes one or more integrally formed loops spaced along its length, each functioning as a selectable tensioning point that enables a surgeon to incrementally "dial in" soft-tissue tension without manual knot-tying. In another aspect, a bone plate with a slip-knot pathway incorporates strategically oriented holes, tunnels, and slots configured to guide a suture in a unidirectional, self-locking manner, forming a stable, knotless construct. In a further aspect, a lateral ulna plate is anatomically contoured for placement on the lateral surface of the proximal ulna and integrates the slip-knot suture pathway to provide rigid fracture fixation while minimizing hardware prominence and optimizing triceps-tendon tension control. The combined system allows precise, repeatable, and adjustable fixation of bone and soft tissue using a single low-profile implant platform.

The present invention provides a bone fixation plate for fixing bone fragments, and a method for manufacturing such a bone fixation plate. [Solution] A bone fixation plate (P) for fixing a bone fragment, comprising a long body (G) having an upper surface (G1) and a lower surface (G2) opposite to the upper surface (G1), the lower surface being provided for positioning the bone fixation plate on a bone fragment, the bone fixation plate having a plurality of openings for each receiving a screw, an integrally molded annular insert (R) being positioned in at least one of the openings, the insert comprising a first and a second portion, the first portion facing toward the upper surface and positioned directly adjacent to the second portion in the axial direction, the first portion having a non-rotationally symmetric outer contour, and the second portion having a rotationally symmetric outer contour.

Systems and methods for bone fixation are disclosed herein. According to aspects illustrated herein, there is provided a fastener for use in securing a bone plate that includes an outer member having a first outer section and a second outer section, wherein formed in the first outer section is a first bore with a first shape and formed in the second outer section is a second bore with a second shape; and an internal member longitudinally moveable within the outer member, the internal member having a first internal section having an outer surface that is sufficiently designed to fit within and engage a wall of the second bore of the outer member and a second internal section sufficiently sized to fit within the first bore of the outer member, the second internal section having an outer end with a peripheral engagement portion.

The utility model relates to the technical field of limb orthopedics, in particular to a limb orthopedics outer frame which comprises mounting rings which are symmetrically arranged at intervals, avoiding holes which can penetrate through limbs of a patient are formed in the mounting rings, a plurality of mounting holes used for fixing bone nails are formed in the mounting rings, and a plurality of connecting parts are arranged on the mounting rings in the circumferential direction. A plurality of connecting grooves are formed in the connecting parts, a plurality of telescopic bone extension assemblies connected to the connecting grooves are rotationally connected between the two mounting rings, a protrusion is arranged between every two adjacent connecting grooves in each connecting part, a limiting rod used for limiting the fixing position of the connecting piece is arranged in each connecting groove, and the limiting rods are elastically connected to the protrusions. Therefore, the bone lengthening component can be quickly adjusted, the adjusting efficiency is improved, the bone lengthening component is convenient to install, and the installation time is saved.

The present invention discloses a wirelessly operable implant system for providing controlled lengthening of a bone. The wirelessly operable implant system (100) comprises a bone lengthening intramedullary nail (110), an extracorporeal wireless controller (130), and an implantable drive unit (120). The bone lengthening intramedullary nail (110) fixes in intramedullary cavity (16) and its extending elements (111) and (112) fix with different bone segments (14) and (15). The bone lengthening intramedullary nail (110) distracts the bone segments (14) and (15) when provided with input rotational motion to the unit (113) fitted within. This input rotational motion is given with physical connection by extramedullary implant (120) which is intracorporal and extramedullary. The extramedullary implant (120) is operated by an extracorporeal wireless controller (130).

The invention discloses a reduction and fixation orthopedic robot for the orthopedics department, and relates to the field of medical instruments. The movable assembly is assembled at the upper end of the base and used for providing spatial position adjustment of multiple degrees of freedom; the self-adaptive locking assembly is assembled at the upper end of the movable assembly and used for wrapping, supporting and locking the fracture part of the patient; according to the reduction and fixation orthopedic robot for the orthopedics department, automatic adjustment can be achieved through the self-adaptive locking assembly according to skeleton structures of different patients, it is ensured that the robot is tightly attached to a fracture part, and discomfort and complications in the healing process are reduced; meanwhile, the closely attached supports can effectively limit movement of the fracture part and reduce displacement of the fracture part, so that healing of the bone is facilitated, it is guaranteed that the fracture part does not displace in the rehabilitation process, and the risk of secondary injury is reduced.

The utility model discloses a lateral position fixing device for guiding directional installation of an acetabular cup, which comprises a back supporting bracket and a front supporting bracket, the back supporting bracket is used for supporting the back of a patient, the back supporting bracket is used for supporting the pelvis of the patient, clamping components are fixedly arranged on the front supporting bracket and the back supporting bracket, and the front supporting bracket is used for supporting the pelvis of the patient. The clamping assembly is used for being fixed to an operating bed, the front supporting support comprises a T-shaped support, supporting units are movably arranged at the three ends of the T-shaped support, the T-shaped support comprises a transverse pipe fitting and a vertical pipe fitting, the transverse pipe fitting is fixed to the middle of the outer wall of one side of the vertical pipe fitting, and the transverse pipe fitting and the vertical pipe fitting are perpendicularly arranged. The three supporting units on the front supporting support are matched, the front portion of the pelvis is fixed through three points, the anterior superior iliac spine and the pubis on the two sides are combined, fixing is firmer, the pelvis is better positioned, displacement of the pelvis in the operation process is reduced, and the anterior angle and the abduction angle of the acetabular cup can be guided in the operation.