227 results about "Bone plates" patented technology

A bone correction system is configured to attach to the medial cuneiform and the first metatarsal of a patient's foot in a deformed configuration. An articulation joint is configured to rotate and angulate the first metatarsal with respect to the medial cuneiform. A translation assembly is configured to cause the first metatarsal to travel toward and / or against the medial cuneiform. Thus, the bone correction system is configured to iterate the patient's foot from the deformed configuration to a corrected configuration. A bone plate can permanently fix the medial cuneiform and the first metatarsal in the corrected configuration.

A suture button system for fixing a syndesmotic injury comprises a flexible fixation implant and an inserter device used to deploy the implant across bones. The flexible fixation implant typically comprises a flexible connector and two suture buttons which interface with the bone surface or a bone plate or washer. The flexible connector comprises a plurality of suture strands. The buttons typically have a feature which allows them to interface with an instrument used to deploy the implant across the two bones. The inserter device is configured to interface with the flexible fixation implant and to position it across bones through a pre-drilled bone tunnel. The inserter device may comprise an cannulated insertion rod and a handle.

The invention discloses an intelligent bone fracture plate integrated with an optical fiber Fabry-Perot sensor and a healing monitoring method. The system comprises an intelligent bone fracture plate module, an in-vitro detection module and a data analysis module. The intelligent bone fracture plate module mainly comprises a bone fracture plate body, a diaphragm type optical fiber Fabry-Perot sensor packaged in a U-shaped groove in the bone fracture plate, and a subcutaneous coupling capsule connected through a leading-out optical fiber. The sensor converts mechanical strain of the bone fracture plate into optical signal change of the Fabry-Perot cavity. The in-vitro detection module is in wireless optical coupling with the subcutaneous coupling capsule through an external read-write equipment head of the in-vitro detection module, probe light is emitted, interference light signals are received and reflected, and the strain of the bone fracture plate is calculated through a spectrum analyzer / detector. And the data analysis module converts the strain data into a key load sharing ratio. By monitoring the trend that the ratio gradually decreases from the postoperation along with time and comparing the trend with a preset clinical threshold value, objective, quantitative, dynamic and non-invasive monitoring of the fracture healing process is achieved.

Bone plates are disclosed for veterinary uses. For example, the bone plates could be utilized for repairing medial patellar luxation in animals, such as canines, felines, or equines, for example. The bone plates may include various features for better accommodating the anatomy and native tissue structure of the proximal tibia of the animal.

The application belongs to the field of medical devices, and particularly relates to a humeral shaft middle-distal fracture anterolateral MIPPO bone plate, which comprises a bone plate main body, a plurality of screw holes one are uniformly arranged on the proximal end to the middle end and the distal end of the bone plate main body, a plurality of screw holes two are arranged on the distal end of the bone plate main body, the diameter of the screw hole one is greater than the diameter of the screw hole two, the screw holes of the proximal end and the distal end of the bone plate are respectively provided with screw holes matched with screws of different diameters, the structure of the bone plate is designed on the basis of CT scanning data of humeral bones of a plurality of patients, and the bone plate is designed according to the structure of the reconstructed three-dimensional model of the humeral bone, so that the bone plate is more in line with the anatomical characteristics of the patient, and the bone plate is more suitable for anterolateral MIPPO surgery in cooperation with a matching device, indirect reduction of a fracture can be realized, the operation is further simplified, the operation time is saved, the amount of bleeding is reduced, and the surgical trauma is reduced.

The invention provides a TTA bone plate. The TTA bone plate comprises a bone plate body and a plurality of connecting parts connected to the bone plate body. The bone plate body is provided with a first end and a second end which are oppositely arranged in the height extending direction of the bone plate body, and the multiple connecting parts are located on the two opposite sides of the first end in the first direction respectively. The bone plate body is provided with a cavity and two windows formed in the two opposite sides of the bone plate body in the first direction, and the two windows communicate with the cavity. At least two supporting beams which are connected in a crossed mode are arranged in each window, at least one end of each supporting beam is connected with the inner wall of the corresponding window, and the supporting beams are obliquely arranged relative to the height extending direction of the bone plate body. The TTA bone plate not only can bear load pressure in the first direction, the second direction and the third direction, but also can bear load pressure in the direction forming an included angle with the first direction, the second direction or the third direction, so that the TTA bone plate is better in mechanical property, and the treatment effect of the TTA bone plate is better.

This invention belongs to the field of medical device technology and discloses a distal femoral osteotomy guide plate for treating knee flexion deformity. It includes a first osteotomy device and a second osteotomy device connected together. The first osteotomy device has a first positioning hole and a distal femoral osteotomy hole. The second osteotomy device has a fixation plate with an adjustment device. The adjustment device has symmetrically arranged guide devices one and two, which together position the distal femoral osteotomy. This invention uses the first osteotomy device to perform distal femoral osteotomy, and the second osteotomy device to perform osteotomy in the posterior condyle, posterior oblique, anterior femoral, and anterior oblique directions. This can meet the individualized needs of patients and solve the problem of traditional osteotomy instruments being singular and unadjustable.

The invention provides a bone setting assembly. The bone setting assembly comprises a tibia connecting piece; a talus connector; the angle adjusting piece is connected between the tibia connecting piece and the talus connecting piece, the angle adjusting piece comprises a swinging block, the swinging block is connected to one of the tibia connecting piece and the talus connecting piece, the swinging block is arranged on the other one of the tibia connecting piece and the talus connecting piece in a swinging mode, and a plurality of locking grooves are formed in the swinging block; the locking piece is provided with a locking position and an unlocking position; when the locking piece is located at the locking position, the locking piece is matched with one of the multiple locking grooves in an inserted mode so that the angle between the tibia connecting piece and the talus connecting piece can be fixed. When the locking piece is located at the unlocking position, the locking piece is separated from all the locking grooves, so that the angle between the tibia connecting piece and the talus connecting piece is adjustable. According to the technical scheme, the problems that in the prior art, an ankle joint bone fracture plate is poor in fitting degree and implantation stability are effectively solved.

The invention relates to the technical field of orthopedic surgery, and discloses a bone plate clamping device suitable for orthopedic surgery, which comprises a connecting piece, a clamping rod is hinged to the front side surface of the connecting piece, clamping plates are fixedly connected to the front end of the clamping rod, flexible pads are fixedly connected to the sides, close to each other, of the clamping plates, and the flexible pads are used for clamping and fitting a bone plate. According to the device, a clamping rod drives a clamping plate and a flexible pad to rotate and reset to clamp a bone plate, the bone plate is conveniently placed, a nut and an extension rod are fixed in a threaded mode, then a doctor can conveniently grab the bone plate, convenience is improved, after a connecting piece and the clamping rod are detached from the extension rod through the nut, cleaning and maintenance are convenient, a stirring piece is pressed towards the side close to the extension rod, and the bone plate can be conveniently clamped. The clamping rods can be opened more easily, the convenience is further improved, the extension rods rotate in the grip through the sleeve shafts and the rotating shafts, so that the connecting pieces and the clamping rods are driven to rotate, the angle of the bone plate is rapidly adjusted, and the applicability of the device is improved.

The utility model discloses a novel bone fracture plate for treating bone nonunion of humerus, which relates to the technical field of bone fracture plates, and comprises an internal connection rotating piece mounted in a bone fracture plate main body, according to the device, the internal connecting rotating piece is installed, the inclined face of the internal connecting rotating piece is matched with the angle adjusting piece with the inclined face, and therefore a doctor only needs to rotate the angle adjusting piece and the internal connecting rotating piece when needing to obliquely install a connecting screw, and the angle adjusting piece rotates around the axis (namely the rotating axis) of a connecting boss; meanwhile, the internal connection rotating part is rotated, so that the inclined plane position of the internal connection rotating part is spatially changed, the angle of the angle adjusting part of the inclined plane can be adjusted, the mounting angle of the connecting screw can be changed to a certain extent, the angle of the connecting screw of the device can be adjusted, and the device can be adjusted according to the age and the body shape of a patient. Therefore, a doctor can select a proper angle to obliquely hit a screw at a proper position to connect the screw.

Provided are bone plates and systems including such plates. The present plates may be used for example, to accommodate spinolaminar junction or as a plate locking screw system for posterior spinal fixation in the cervical, thoracic, lumbar and sacral spine, extremities, pelvis and long bone fixation. The present devices and systems may include modular plates, rods and rails. Devices and systems herein relate to both open methods and minimally invasive surgery applications. Also provided are locking plates and systems relating to tethering applications. Further provided are kits including any of the present kits or devices, and methods including insertion of any of the present plates or systems into a patient.

The present disclosure relates to computer-implemented methods (100) forgenerating a virtual model of a first section of bone tissue including cortical bonetissue. The method comprises (104) obtaining microstructural cortical parametersincluding an indication of a number of osteons (210) and of a cross-sectional areaof the osteons, a number of lamellae (212) forming the osteons, an indication oflocations of osteons in the section of bone tissue and of dominance of the osteons.The method further comprises generating a virtual model using a generativedesign algorithm comprising (1061) defining a geometric space, (1062) generatinga cortical cloud of points, (1064) segmenting the geometric space into substantiallycircular regions, defining an outer surface of the osteons. The method furthercomprises (1065) forming consecutive substantially concentric surfacescorresponding to the lamellae until the obtained virtual model satisfies boundaryconditions formed by the microstructural cortical parameters.

The invention discloses a titanium-magnesium nail plate system capable of promoting fracture healing and a manufacturing and forming method. The manufacturing and forming method comprises the steps that a bone fracture plate digital model containing a bone trabecula simulation porous area and a partition filling cavity is established according to a bone anatomical structure, and a titanium-based workpiece of a porous structure is manufactured through selective laser melting forming; a titanium-zinc-calcium component gradient transition layer is constructed layer by layer on the surface of the porous inner wall of the titanium-based workpiece through a directional deposition process, interface bonding is strengthened through low-temperature heat treatment, and the titanium-based workpiece with a gradient interface is obtained; the titanium-based workpiece with the gradient interface is placed in an inert atmosphere, after heating is conducted, molten magnesium or magnesium alloy is injected into all the cavities through a partitioned vacuum pressure injection technology, and after cooling is conducted, a titanium-magnesium composite workpiece is formed; through a customized and interface-controllable manufacturing method, a high-strength titanium skeleton and a degradable healing-promoting magnesium material are firmly combined, and integrated design and manufacturing of mechanical support and biological activity of the internal fixation device are achieved.

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 invention relates to the technical field of medical instruments, in particular to a biodegradable zinc alloy bone fracture plate. A biodegradable zinc alloy bone fracture plate connects two fractured bones through locking screws and forcing screws and comprises a bone fracture plate body and adjusting mechanisms, and each adjusting mechanism comprises a worm gear, an arc-shaped block and a first driving unit. Each worm gear is provided with a locking hole and a sliding hole. Each forcing screw is arranged in the corresponding sliding hole and makes contact with the inner side wall of the corresponding arc-shaped block. The first driving unit is used for driving the worm gear to rotate, so that the plane where the connecting line of the circle center of the locking hole and the circle center of the sliding hole is located is kept perpendicular to the plane where the bone fracture extending direction is located, and then pressure generated when the pressurizing screw is matched with the arc-shaped block is perpendicular to the plane where the bone fracture extending direction is located. And various fracture fracture surface directions can be adapted. The invention provides a biodegradable zinc alloy bone fracture plate to solve the problem that the pressurizing direction of an existing bone fracture plate on bones cannot be adjusted.

The utility model discloses a bone fracture plate locking device, which relates to the technical field of medical instruments, and comprises a clavicle main body, the clavicle main body comprises a clavicle plate, the middle of the clavicle plate is provided with a screw inserting groove, the top of the screw inserting groove is provided with a screw cap accommodating groove, the middle of the screw inserting groove is provided with a locking screw, and the locking screw is provided with a screw cap. A nut is arranged at the top of the locking screw, and a locking assembly is arranged on the side face of the clavicle plate. The locking assembly is used for fixing the clavicle plate, the arc-shaped locking claw clamp and the connecting sliding plate are connected in the mounting sliding groove in a sliding mode, the limiting bolt penetrates through the limiting groove to be connected with the connecting soft plate, and therefore the arc-shaped locking claw clamp and the connecting sliding plate are connected in a positioning mode. The arc-shaped locking claw clamp is clamped at the fracture position, so that the locking effect of the clavicle plate is improved, the device is suitable for users of different ages, and the practicability of the device is improved.

A modular bone implant for affixation to a bone having a bone end surface and a bone side surface oriented at an angle with respect to each other. The implant comprises an anchor seat with an inner seat surface configured for abutting the bone end surface, and an elongate stem extending from the anchor seat with a proximal end portion, a distal end portion and a stem long axis. The proximal end portion comprises a planar surface obliquely angled relative to the stem long axis and configured for positioned placement under the bone side surface. At least one fixating element extends from the anchor seat adjacent the stem, having a fixator long axis parallel to the stem long axis and a length shorter than that of the stem. The implant may include a connecting portion configured to breach the bone side surface for attachment to a bone plate, which may be covered by a fixation 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.

Periprosthetic bone fixation plates are disclosed including, for example, periprosthetic proximal femur plate, periprosthetic distal femur plate, periprosthetic humerus plate, periprosthetic ring plate, and periprosthetic troch plate. In use, the periprosthetic bone fixation plates are arranged and configured for use in periprosthetic fractures. That is, the periprosthetic plates include one or more features to facilitate positioning and securement of the bone fixation plate to a patients bone that previously received a surgically implanted orthopedic device or implant such as, for example, an intramedullary nail, a hip prosthesis, a knee prosthesis, etc. In use, the one or more features are designed and configured to facilitate avoidance of the previous surgically implanted orthopedic device or implant. In addition, the periprosthetic bone fixation plates are arranged and configured to facilitate plating of a longer working length as compared to existing bone fixation plates (e.g., plating from, for example, femoral condyle to greater trochanter).

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.

The utility model relates to the technical field of determination of physical and chemical properties of materials, in particular to a mechanical property testing device for a metal implantable material. The metal implantable material mechanical property testing device comprises a static side fixing seat for fixing one end of a simulated broken bone and a movable side fixing seat for fixing the other end of the simulated broken bone, and the two broken parts of the simulated broken bone are fixed together through a bone fracture plate and a bone fracture nail. The testing device comprises a pressure detection device used for detecting the pressure between the simulated broken bone and the bone fracture plate, and the movable side fixing seat is connected with a loading device used for applying an alternating load to the movable side fixing seat so as to enable the simulated broken bone and the bone fracture plate to move relatively to generate friction. A pressure value can be obtained through the pressure detection device, the pressure value can be adjusted by adjusting the number of screwing turns of the bone setting nail, the pressure is in positive correlation with friction force, the friction degrees are different when the pressure is different, and therefore the influence of different degrees of fretting friction on the mechanical property of the simulated broken bone can be tested.

Provided herein are methods and systems for the compression and / or distraction of a bone fracture. The system includes a rod configured to be at least partially inserted into the bone and a body defining a bore configured to circumscribe a portion of the rod. The system further includes a device with a first member and a second member joined at a fulcrum. The first member includes a channel for receiving a portion of the rod. The bone fracture compression or distraction includes inserting the rod into the bone, placing the first member of the device over the rod, positioning the second member of the device into a feature of a bone plate, and moving the first member and the second member toward each other.

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.

The invention discloses an optimization method, device and equipment of a biodegradable bone fracture plate and a storage medium, and is applied to the technical field of medical instruments, and the method comprises the following steps: constructing a finite element model of femoral shaft fracture; in the finite element model, applying a dynamic biomechanical load simulating a human body walking cycle; the stress level of the bone fracture plate and the displacement level of the fixed thighbone are used as optimization targets, and multi-dimensional parameters of the bone fracture plate are optimized; delimiting a safety area of the bone fracture plate according to the optimized bone fracture plate design parameters; according to the method, the technical steps of base material type selection and process optimization, finite element model construction and dynamic load application, multi-dimensional parameter optimization, safety area demarcation and personalized adaptation and the like are organically combined; the technical problems of secondary operation, stress shielding, high biological safety risk, poor adaptability, high engineering difficulty and the like of a traditional bone fracture plate are effectively solved.

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. A drill guide comprising: a handle; a base connected to the handle, the base further comprising: a body; a lip on an outer surface of the body, the lip configured to mate with an upper surface of a bone plate; a guide hole extending through the body from a first surface of the body to a second surface of the body; and a flank extending between the first surface of the base and the second surface of the body.

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.

Instruments, implants, bone plates, systems and methods for correcting bone deformities and fractures in the lower extremity are disclosed. Specifically, targeting instruments, implants, bone plates, systems and methods used for correcting bone deformities and / or fractures in the foot using compression are disclosed.

The invention relates to the technical field of bone implant testing, and discloses a bone implant anti-fatigue testing device which comprises a closed storage mechanism, a quasi-bending energy supply mechanism installed on the closed storage mechanism and a quasi-bending pressure bearing mechanism installed in the closed storage mechanism. The fatigue detection mechanism is mounted between the quasi-bending energy supply mechanism and the quasi-bending pressure-bearing mechanism; the bone implantation assembly is assembled on the fatigue detection mechanism; and the closed storage mechanism is used for providing permeation of the simulation medium for the fatigue detection mechanism. The two to-be-detected bone plates are respectively installed on the two corresponding assembly blocks, and a sealed storage environment is provided for the fatigue detection mechanism by means of the main shell and the auxiliary shell; the fatigue test can be carried out on the two bone plates by matching the quasi-bending function mechanism driven by the motor with the quasi-bending pressure-bearing mechanism so as to simulate the human body environment where the bone plate assembled on the bone joint is located for testing, and the authenticity of the anti-fatigue test of the selected bone plate can be enhanced.

This application provides a modular orthopedic device for fracture treatment, belonging to the field of orthopedic device technology. The device includes a fixation component, a locking component, and a connecting component. The fixation component has at least one first slot and at least one second slot, which communicate with each other. The locking component is accommodated within the first slot, and the connecting component is accommodated within the second slot and cooperates with the fixation component, allowing it to move or rotate relative to the fixation component. The locking component is used to lock the connecting component and the fixation component together. The connecting component can be a round rod, a polygonal rod, or a toothed connector, and the fixation component can include a toothed fixator, a ball-and-socket fixator, a ball-and-socket fixator, or a universal ball-and-socket fixator. This modular orthopedic device allows for flexible selection of component modules based on fracture type and soft tissue conditions, achieving precise, personalized, and minimally invasive fracture treatment, filling the technological gap between bone plate systems, intramedullary nail systems, and external fixation systems.