8 results about "Tibia osteotomy" patented technology

The application discloses a data processing method and device, a storage medium and an electronic device. It relates to the technical field of medical treatment. The method comprises the following steps: a tibia three-dimensional model is constructed, and a plurality of target steel nail three-dimensional models are obtained; a plurality of second medical images are obtained, and a plurality of target steel nail first two-dimensional pixel point sets and a tibia second two-dimensional pixel point set are obtained according to the plurality of second medical images; target space conversion parameters of the plurality of target steel nails in the tibia coordinates are obtained by calculation according to the target steel nail first two-dimensional pixel point sets, the tibia second two-dimensional pixel point set, the tibia three-dimensional model and the steel nail three-dimensional models; a guide plate model is obtained according to the target space conversion parameters, and a target space posture of a tibia osteotomy plane is obtained according to the guide plate model. Through the application, the technical problem that the space posture of the tibia osteotomy plane is relatively low in accuracy because the space posture of the tibia osteotomy plane is determined by relying on artificial experience is solved.

The invention discloses a tibia unicompartmental prosthesis, a femur unicompartmental prosthesis and a knee joint unicompartmental prosthesis component, the tibia unicompartmental prosthesis comprises a first mounting surface, and the first mounting surface is used for being mounted to a tibia osteotomy surface; the first mounting surface is provided with a first bone cement area and a first porous area; the first bone cement area is used for being fixed to the front side of the tibia osteotomy surface, and a first bone cement groove is formed in the first bone cement area and used for containing bone cement; the first porous area is used for being fixed to the rear side of a tibia osteotomy surface, the first porous area is provided with a first porous structure, and pores for bone ingrowth are formed in the first porous structure. In the application, the front side of the corresponding unicompartmental prosthesis is fixed through the bone cement, and the rear side of the corresponding unicompartmental prosthesis is fixed through the porous structure, so that the mounting stability of the corresponding unicompartmental prosthesis can be improved.

The invention discloses an expanding and fixing device and method for tibia osteotomy. A distraction and fixation device for tibia osteotomy comprises a distraction assembly, and the distraction assembly comprises a left distraction device and a right distraction device which are detachably arranged left and right; the left spreader comprises a left overturning plate and a left fixing plate, and the front end of the left overturning plate is hinged to the front end of the left fixing plate; the right spreader further comprises a right turnover plate and a right fixing plate, and the front end of the right turnover plate is hinged to the front end of the right fixing plate. An upper notch is formed in the adjacent side of the left turnover plate and the right turnover plate, a rear end opening of the upper notch is used for switching a sliding-in opening for sliding in the moving plate and the supporting wedge, and the left turnover plate and the right turnover plate are linked through the moving plate; and the angle adjusting assembly is used for controlling the distraction angles of the left distraction device and the right distraction device. The distraction angle can be controlled, and control over the distraction angle is guaranteed by controlling the rotation angle of the driving rotary knob.

The invention discloses a data processing method and device, a storage medium and electronic equipment. The method comprises the following steps: constructing a tibia three-dimensional model, and obtaining a steel nail three-dimensional model of a plurality of target steel nails; obtaining a plurality of orthogonal second medical images, and obtaining a first two-dimensional pixel point set of the plurality of target steel nails and a second two-dimensional pixel point set of the tibia according to the plurality of second medical images; calculating according to the first two-dimensional pixel point set, the second two-dimensional pixel point set, the tibia three-dimensional model and the steel nail three-dimensional model to obtain target space conversion parameters of the multiple target steel nails under the tibia coordinates; and obtaining a guide plate model according to the target space conversion parameters, and obtaining a target space attitude of the tibia osteotomy plane according to the guide plate model. By means of the method and device, the technical problem that the accuracy of the space posture of the tibia osteotomy plane is low due to the fact that the space posture of the tibia osteotomy plane is determined through related technologies depending on artificial experience is solved.

The tibia osteotomy positioning assembly comprises a base, a mounting seat and a pointer structure, at least one inserting piece is arranged on each of the two sides of the base in the first direction, each inserting piece is used for being inserted into an osteotomy groove of an osteotomy block, and the inserting pieces on the two sides of the base in the first direction have a height difference in the second direction; the mounting seat is arranged on one side of the base in the second direction; the pointer structure comprises a connecting rod and at least one measuring pointer, the measuring pointers are connected with the connecting rod, each measuring pointer comprises an abutting end used for abutting against the articular surface of the tibia, and the connecting rod is rotationally connected with the mounting base; the connecting rod can rotate around a first rotating axis relative to the mounting seat so as to drive the abutting end to rotate, and the connecting rod extends along the first rotating axis; and / or the mounting seat can rotate around a second rotating axis relative to the base, and the second rotating axis is basically parallel to the second direction. According to the tibia osteotomy positioning assembly provided by the embodiment of the invention, the measuring pointer can accurately abut against the lowest point of the tibia articular surface.

The utility model provides a positioning device for tibia osteotomy, and belongs to the technical field of medical instruments. The positioning device for tibia osteotomy comprises a force line adjusting telescopic assembly, an osteotomy guide assembly and a fixing assembly, the osteotomy guide assembly is arranged at the upper end of the force line adjusting telescopic assembly, the fixing assembly comprises an ankle holding device and a leg holding device, the ankle holding device is arranged at the lower end of the force line adjusting telescopic assembly, and the leg holding device is arranged at the lower end of the force line adjusting telescopic assembly. The ankle holding device is used for being arranged at the ankle joint of the patient, the leg holding device is arranged on the force line adjusting telescopic assembly and is arranged over the ankle holding device, and the leg holding device is used for being arranged at the shank of the patient. According to the positioning device for tibia osteotomy, the ankle holding device and the leg holding device are arranged, the ankle holding device is used for clamping the ankle joint of a patient, the leg holding device is used for clamping the shank of the patient, and the stability of the device in the using process is improved.

The utility model belongs to the field of tibia osteotomy auxiliary devices, and discloses an osteotomy auxiliary device for tibia extramedullary positioning, which comprises a main body, a clamping seat, a connecting seat, a first end cap, a screw rod and a second end cap, the connecting seat is connected with the main body, the first end cap, the screw rod and the second end cap are sequentially and coaxially connected, a pair of clamping arms is hinged on the clamping seat, and the screw rod is arranged between the clamping seat and the connecting seat and meshed with the clamping seat; the clamping seat is in sliding fit with the connecting seat, the connecting seat is clamped between the first end cap and the second end cap, the first end cap is provided with a plurality of acting parts, the connecting seat is provided with an elastic deformation movable assembly, and the movable assembly is clamped between the adjacent acting parts. According to the scheme, when the main body support on the ankle holding assembly is moved, moving distance feedback can be generated, an operator can accurately perceive the real moving distance of the main body support, the operator is prevented from being disturbed by external factors such as vibration and noise, and the working efficiency is improved. The moving precision is improved.

The utility model provides a tibia osteotomy positioning device, and belongs to the technical field of medical instruments. The tibia osteotomy positioning device comprises a force line adjusting rod assembly, an osteotomy guide assembly, a positioning assembly and an ankle holding device, the positioning assembly is arranged at the upper end of the force line adjusting rod assembly, abuts against an intercondylar bulge and is used for positioning the intercondylar bulge, the osteotomy guide assembly is arranged on the force line adjusting rod assembly, and the ankle holding device is arranged on the force line adjusting rod assembly. The osteotomy guiding assembly is arranged below the positioning assembly, and the ankle holding device is arranged at the lower end of the force line adjusting rod assembly and used for being arranged at the ankle joint of a patient. According to the tibia osteotomy positioning device, the positioning assembly is arranged and located at the upper end of the force line adjusting rod assembly, when the tibia osteotomy positioning device is used, the positioning assembly is placed on an intercondylar bulge of a patient, the measurement and calculation accuracy of the osteotomy amount is improved, and the situation that the recovery of the patient is affected due to the fact that the osteotomy amount is too large is avoided.