188 results about "Bone tibia" patented technology

An apparatus for performing an open wedge high tibiotomy comprising: a cutting apparatus for forming an osteotomy incision in the tibia, the cutting apparatus comprising: identifying a cutting plane through the tibia and terminating Targeting device of the borderline of the cut along the cutting plane, wherein the borderline is positioned inside the tibia, parallel to the anterior-posterior slope of the tibia and parallel to the sagittal plane of the patient. A method for performing an open wedge high tibiotomy, the method comprising: positioning a targeting device for identifying a cutting plane through the tibia and a borderline for terminating cuts made along the cutting plane, wherein the borderline is positioned at Inside the tibia, parallel to the anterior-posterior slope of the tibia and parallel to the patient's sagittal plane; cut the bone along the cutting plane, with the cut terminating at the borderline; move the bone on each side of the cut apart to create a wedge-shaped opening in the bone; and stable bone.

A method of changing a bone angle includes creating an osteotomy between a first portion and a second portion of a tibia of a patient; creating a cavity in the tibia by removing bone material along an axis extending in a substantially longitudinal direction from a first point at the tibial plateau to a second point; placing a non-invasively adjustable implant into the cavity, the non-invasively adjustable implant comprising an adjustable actuator having an outer housing and an inner shaft, telescopically disposed in the outer housing, and a driving element configured to be remotely operable to telescopically displace the inner shaft in relation to the outer housing; coupling one of the outer housing or the inner shaft to the first portion of the tibia; coupling the other of the outer housing or the inner shaft to the second portion of the tibia; and remotely operating the driving element to telescopically displace the inner shaft in relation to the outer housing, thus changing an angle between the first portion and second portion of the tibia.

The invention concerns a tibial prosthetic component comprising a plate (100) for forming a tibial plateau of a tibia (16), wherein a peripheral region of the plate (100) has a thickness of less than 3 mm. The invention also concerns a tibial prosthetic component having a keel of depth less than 9 mm. The invention also concerns a method of selecting a tibial prosthetic component comprising receiving measurements of at least one physical attribute of an individual into whom the tibial prosthetic component is to be implanted, selecting a thickness of a plate (100) and depth of keel of the tibial prosthetic component based on the measurements and providing a tibial prosthetic component comprising a plate (100) having the selected thickness and a keel having the selected depth. The invention may also comprise implanting a tibial prosthetic component selected in accordance with this method into an individual and a kit comprising a plurality of prosthetic components comprising plates having different thicknesses with keels of different depths.

The invention discloses a tibia unicompartmental osteotomy device. The tibia unicompartmental osteotomy device comprises an osteotomy plate, a guiding plate and a connecting structure, and osteotomy grooves are formed in the osteotomy plate. The guiding plate comprises a first surface, and the first surface is matched with a tibia platform and used for positioning the tibia unicompartmental osteotomy device; the connecting structure comprises a first connecting piece and a second connecting piece, the first connecting piece is arranged on the second connecting piece in a sliding mode, the first connecting piece is fixed on the guiding plate, and the second connecting piece is fixedly arranged on the osteotomy plate. The first connecting piece is arranged on the second connecting piece in a sliding mode, the osteotomy plate can move relative to the guiding plate to achieve position adjustment of the osteotomy plate, and therefore accurate positioning of the osteotomy plate is achieved.

The invention relates to a route planning method for robot assisted fracture reduction. A reduction route planning method of remote fracture end posture adjustment and double-plane collision prevention based on an A* algorithm is employed. In software mimics and Geomagic studio, fracture deviation parameters are confirmed based on an uninjured side image matching method, and fracture reduction route planning based on the A* algorithm is implemented in two different coordinate planes respectively. By adopting the fracture reduction route planning method provided by the invention, large-amplitude traction of a remote end and collision of the remote fracture end with surrounding tissue in reduction can be effectively avoided, and fracture reduction operation which is short in time, high in precision and safe in collision prevention can be achieved. The method has the advantages of being simple, safe, effective and the like, is applicable to robot assisted fracture reduction operations oflong bone such as thighbone and tibiae, and is capable of improving precision and security of fracture reduction operation, improving reduction efficiency and alleviating the working intensity of doctors.

Apparatus for performing a multidirectional tibial tubercle transfer, comprising a jig for positioning against the anterior portion of the tibia, the jig comprising first and second guide surfaces which simultaneously converge towards one another as they extend distally down, and posteriorly towards, the tibia; a medial extender for attaching to the jig, wherein the medial extender comprises a third guide surface which is directed towards a point distal to the point of convergence of the first and second guide surfaces as the third guide surface extends distally down, and posteriorly towards, the tibia; and a lateral extender for attaching to the jig, wherein the lateral extender comprises a fourth guide surface which is directed towards a point distal to the point of convergence of the first and second guide surfaces as the fourth guide surface extends distally down, and posteriorly towards, the tibia.

The invention discloses an osteophyte recognition method and device, electronic equipment and a storage medium. The osteophyte recognition method comprises the following steps: acquiring a medical image; inputting the medical image into a trained first segmentation model to obtain a femur region and/or a tibia region and/or a fibula region and/or a patella region in the medical image; and inputting the femur region and/or the tibia region and/or the fibula region and/or the patella region into a trained second segmentation model to obtain a femur osteophyte and/or a tibia osteophyte and/or a fibula osteophyte and/or a patella osteophyte. Accordingly, the osteophyte can be quickly, accurately and intelligently identified by utilizing the first segmentation model and the second segmentation model. Doctors can be assisted in surgical planning, operation is easy, accuracy is high, and individual differences of patients can be met, and meanwhile, the accuracy of follow-up surgeries can be improved and a large amount of time can be saved for orthopedists by perfecting basis data of preoperative planning and guiding surgical planning and prosthesis selection.

The invention relates to a method for constructing a three-dimension finite element model which treats a tibial plateau posterior-lateral fracture with different inner fixing manners. The method specially includes the following steps that CT tomography is used for obtaining cross-sectional image data of a normal tibia attached outer steel plate and a normal tibia attached rear steel plate; application open source software ITK-SNAP is used for carrying out medical image processing and cutting; a solid geometric model is generated in professional three-dimension finite-element mesh generating software HyperMesh; solid geometric models in different assemblies are selected according to needs in the HyperMEsh and assembled, a needed model containing the whole tibia, a tibial fracture model and a model for treating the tibial fracture with different inner fixing manners are generated, each model is composed of multiple assemblies, each assembly is divided into grids respectively and multiple tetrahedron finite element models which treat the tibial fracture with different inner fixing manners and of the tibia are finally generated. According to the method for constructing the three-dimension finite element model which treats the tibial plateau posterior-lateral fracture with different inner fixing manners, the ITK-SNAP and the HyperMesh software are used for rapidly and accurately setting up the three-dimension finite element model which treats the tibial plateau posterior-lateral fracture with different inner fixing manners, the modeling speed and the modeling quality are greatly improved and a base is laid for further biomechanical analysis.

The invention discloses medicinal liquor for strengthening bone and a preparation method thereof. The medicinal liquor for strengthening bone contains sheep tibia, sheep kidney, cinnamon, medlar, zaocys dhumnades and white spirit. The preparation method for the medicinal liquor for strengthening bone comprises the following steps of: adding cinnamon, medlar, and zaocys dhumnades into sheep tibia lyophilized powder and sheep kidney lyophilized powder, putting a mixture into a cloth bag, putting the cloth bag into a container, adding wine into the container, covering, and heating the container over fire for more than 10 minutes, keeping the container away from the fire, cooling, sealing for immersing for more than 3 days, and shaking everyday and filtering dregs out to obtain the medicinal liquor for strengthening bone. The medicinal liquor is convenient to prepare, stable in medicinal property, and safe and effective; the effect of the medicinal liquor is achieved through the mutual effect of the white spirit and medicines; the curative effect is improved; the medicinal liquor is used for treating wind-toxin and waist and knee weakness which are caused by liver-kidney deficiency, and exogenous and endogenous pathogenic factors, patients who suffer from pain, swelling, and stiffness of shoulders, backs and limbs and have symptoms of rheumatic arthritis, rheumatoid arthritis, and senile degenerative osteoarthritis or patients who suffer from arthralgia, swelling and stiffness after trauma and bone fracture; and the medicinal liquor for strengthening bone can address both the symptoms and root causes, and does not have toxic or side effects; and after the medicinal liquor for strengthening bone is taken by patients, disease relapse is prevented.

The present invention provides a type of tibial near -end lock board, including main components and connecting components. The main components are used to fix the outer side of the proximal tibia;Forces, the head of the head wraps on the tibia near -end platform is fixed and fixed. The pole parts fit the outer sides of the tibial and orthopedic and fix it.Piece parts of the side column.The present invention realizes the fixation of the outer tibial side through the main component, and the design of the component of the parts to enhance the fixation of the rear column of the back column of the near -end platform of the tibia, so that the outer outer lock plate of the tibia can be used for the proximal fracture of the tibia, dry and dry.In the surgery of end fractures, joint fractures, and peripheral fractures of prosthesis; in addition, the head of the main component is wrapped in the outer side column of the near -end platform of the tibia, which is fixed and reliable than the existing curved surface bone plate.

The invention relates to the field of medical instruments, in particular to a device for high tibial osteotomy. The device comprises a near-end component, a far-end component, a connecting bridge component, Kirschner wires, a fixing component and a calibration force line component, wherein the near-end component and the far-end component are located at the two ends of the connecting bridge component respectively and fixed to a tibia through Kirschner wires; the calibration force line component is connected with the near-end component through a bolt; and the fixing component is attached to thesurface of the tibia having undergone force line correction and connected with the near end and the far end of the tibia through Kirschner wire hole sites. According to the invention, the design of bony wainscots for the near end and the far end of the tibia is adopted, so the area of a tibia incision near an osteotomy line can be reduced, an operative wound is narrowed, and tissue around the osteotomy line is better protected; the device integrates three functions of osteotomy, force line correction and temporary immobilization and steel plate installation in a high tibial osteotomy operation; operation steps are simplified, operation time is shortened, operation risks are reduced, and the effect of treating knee osteoarthritis through the high tibial osteotomy operation can be better promoted.

The invention discloses an adjustable tibia probe. The adjustable tibia probe comprises a vertical rod, a rotating rod is arranged at the upper end of the vertical rod, a sleeve is arranged outside the rotating rod, a probe is arranged in the middle of the vertical rod, a guide rod is arranged at the lower end of the vertical rod, a height adjusting mechanism is arranged in the middle of the rotating rod, a prompting mechanism is arranged at the lower end of the rotating rod, and a connecting mechanism is arranged on one side of the guide rod; the height adjusting mechanism can accurately adjust the height of the probe, the prompting mechanism makes a sound every time when the probe is adjusted by 1 mm, a doctor can conveniently and accurately judge the adjusting height of the probe, the measuring precision is improved, the connecting mechanism can be very conveniently connected with a tibia osteotomy module, and the operation time is shortened.

The invention relates to the technical field of medical treatment, in particular to a matching method of a tibial prosthesis and a tibia and a treater. The matching method comprises the following steps: performing operation so as to obtain the image of the tibia, determining the position of a walking surface of the tibia according to the image, determining the upper edge position of the tibial prosthesis according to the position of the walking surface and the thickness of the cartilage of the tibia, selecting a target thickness of the tibial prosthesis, and determining the lower edge positionof the tibial prosthesis according to the upper edge position and the target thickness, wherein the surface, attached to the lower edge position, of the tibia is the mounting surface of the tibial prosthesis; and performing operation so as to obtain the shape and size of the mounting surface, and determining the shape and size of a projection surface of the tibial prosthesis according to the shape and size of the mounting surface, wherein the projection surface is an orthographic projection surface of the tibial prosthesis on the mounting surface. According to the matching method, the mounting position of the tibial prosthesis can be determined, and errors which are caused during model selection of the tibial prosthesis can be reduced.

The invention discloses a localization and fixation device for animal tibia surgery. The localization and fixation device comprises a tibia localization and fixation arm connected with an external fixation frame; the tibia localization and fixation arm is provided with a popliteal fossa localization unit, a knee fixation unit and an ankle fixation unit; and the tibia localization and fixation armis used for defining and fixing a surgery standard position of an animal tibia during tibia surgery, and thus, a surgical small environment operating platform of a three-dimensional standard positionimage of the tibia surgery is formed. According to the localization and fixation device, three-dimensional fixed-point surgical fixation for the orthopedic surgery on a laboratory animal tibia is realized, and thereby, implementation of tibia bone fixation needle puncture, the surgical standardized operation of a fracture and segmental bone defect experimental model, and the repeatability and thedata reliability of a surgical technique of an experimental animal tibia model can be guaranteed. Assisted by a three-dimensional adjustable fixation frame as the external fixation frame, the localization and fixation device makes the tibia localization and fixation arm have stable three-dimensional variability based on vertical and horizontal axial directions, so that a required surgical big environment suitable body position can be provided for a surgery operator.

The invention discloses a manufacturing method of an individualized customized knee joint topological optimization bionic prosthesis based on 3D printing, which relates to the technical field of medical artificial joints. The problem that the manufacturing method is urgently needed to reduce prosthesis looseness or fracture around the prosthesis is solved, and the method comprises the steps: establishing and assembling a tibia model and a knee joint prosthesis model, and performing finite element analysis and topological optimization; carrying out fairing; designing a specific structure of themodel, optimally reserving an internal region by adopting a solid structure, optimally reserving an outer layer region and optimally removing the region by adopting a grid structure, and forming a gradient between the regions; introducing back an assembly state of a tibia model, performing finite element analysis, comparing with a first finite element analysis result, judging whether 3D manufacturing and application are performed or not, and performing topological optimization again if the 3D manufacturing and application cannot be performed. The prosthesis prepared by the invention reduces the problem of prosthesis looseness or prosthesis peripheral fracture, provides space for ligament stop point implantation and internal bone grafting, is light in weight, and is beneficial to bone tissue ingrowth.

The invention provides an allogeneic demineralized bone material used for nose job filling and a preparation method thereof. The method comprises the steps of using a human cortical bone as a raw material, and taking the cortical bone of a middle segment of a tibia or a femur to prepare a cortical bone lamella with thickness of 2-10 mm, width of 15-50 mm and length of 20-80 mm; drilling the cortical bone on a drilling machine evenly, wherein holes are through holes or non-through holes; adopting a chloroform/methyl alcohol (1 to 1) solution for conducting room-temperature soak degreasing on the cortical bone with the holes; soaking the cortical bone with the holes in purified water at 60+/-1 DEG C for 10 h to conduct virus inactivation; conducting demineralization treatment in hydrochloricacid or acetic acid by means of an ultrasonic method, conducting ultrasonic cleaning on the demineralized cortical bone by means of purified water, and replacing the purified water hourly until a cleaning liquid pH is 5.8-7.5; conducting freeze-drying treatment on the demineralized cortical bone; and adopting at least two layers of bacteria-isolating plastic bags for packaging the freeze-dried cortical bone, and conducting irradiation sterilization. The method is simple in preparation process, the structure is stable, the biocompatibility is good, shaping is easy, complications of translocation and the like are not liable to happen, and finally, the allogeneic demineralized bone material used for nose job filling can be replaced by self-tissue.