8 results about "Lateral malleolus" patented technology

The present application provides a ligament isometric analysis method, device, and system, including: determining the center position of the femoral head based on the position set of the femoral positioning device during femoral rotation, and determining the center position of the ankle joint based on the medial and lateral malleolus positions; during knee flexion, converting the acquired femoral ligament insertion point position, intercondylar notch apex position, tibial ligament insertion point position, tibial plateau center position, femoral head center position, and ankle joint center position in the local coordinate system to a global coordinate system; determining the knee flexion angle based on the intercondylar notch apex position, tibial plateau center position, femoral head center position, and ankle joint center position in the global coordinate system; determining the ligament length based on the femoral ligament insertion point position and tibial ligament insertion point position in the global coordinate system to obtain the ligament length difference; and constructing a ligament isometric curve showing the ligament length difference as the knee flexion angle changes. The present application can improve the accuracy of determining the ligament insertion point position.

An ankle protector garment for surrounding the ankle of a wearer of a boot has a resilient woven toeless tubular body extending from an upper cuff to a lower cuff. Pockets on either side of the body receive foam pads. Each pad has an upper segment with downwardly extending forward and rear tabs which are spaced on either side of a gap, with the rear tab being shorter than the forward tab. The body positions the tabs of each pad about the lateral and medial malleolus of a wearer, to thereby lessen the bearing of the boot on the protruding portions of a wearer's ankle. The gap is open downwardly, accommodating a range of wearer malleolus positions. The pads further extend above the upper margin of the boot to alleviate the bearing of the boot on the wearer's lower leg.

The invention provides a ligament isometric analysis method, device and system. The ligament isometric analysis method comprises the steps that the center position of a femoral head is determined according to a position set of a femoral positioning device in the femoral rotation process, and the center position of an ankle joint is determined according to the medial malleolus position and the lateral malleolus position; in the knee bending movement process of the knee joint, the obtained femoral ligament dead point position, the obtained intercondylar fossa vertex position, the obtained tibia ligament dead point position, the obtained tibia plateau center position, the obtained femoral head center position and the obtained ankle joint center position under the local coordinate system are converted into a global coordinate system; determining a knee bending angle according to the vertex position of the intercondylar fossa, the central position of the tibial plateau, the central position of the femoral head and the central position of the ankle joint under the global coordinate system, and determining the ligament length according to the stop position of the femoral ligament and the stop position of the tibial ligament under the global coordinate system to obtain a ligament length difference value; and constructing a ligament isometric curve with the ligament length difference value changing along with the knee bending angle. The accuracy of determining the position of the ligament stop point can be improved.

The present disclosure is directed to an improved orthosis system for stabilizing an ankle and a foot of a user against undesired orientations and having a calf brace and a foot brace. The system uses first and second risers coupled to a foot section using a construction and configuration whereby the more the risers are deflected relative to the foot section, the more the system bias the risers toward their initial orientation relative to the foot section. To increase lateral stability, the first riser curves forward around at least a portion of a lateral malleolus of a user's ankle, while the second riser curves rearward and around at least a portion of a medial malleolus of the user's ankle. To increase forward and rearward stability, the foot section extends across at least half the length of the sole of a user's foot.

To provide a lower limb holding mat capable of easily fixing a limb position and changing a body position with a simple structure, and preventing a bedsore and a peroneal nerve palsy in a head part of a fibula, a the lateral malleolus part or a heal part. It is another object of the present invention to provide an arm support mat which can prevent the occurrence of a decubitus ulcer at the elbow while stably supporting the arm during drip infusion, dialysis, or insertion of a catheter.SOLUTION: According to a first aspect of the present invention, there is provided a leg support mat comprising: a mat body made of a resin pipe piece as a filler; a pair of tubular bag bodies having side portions sewn together in a longitudinal direction; and a window portion formed between a sewn portion of the side portions and a sewn portion of lower end edges of the tubular bag bodies. The structure of the upper limb support mat according to the present invention is substantially the same as that of the lower limb support mat, but is characterized in that a thumb support portion is further provided below the tubular bag body.SELECTED DRAWING: Figure 1

A shoe includes a shell made of an elastic material, the shell including a bottom wall portion and a peripheral wall portion. A bulging portion, which bulges toward an insertion space configured to receive a foot of a wearer and includes an easy-deformable portion configured of a three-dimensional mesh structure body, is provided at a position of the peripheral wall portion corresponding to at least one of a portion behind a medial malleolus point of the wearer's foot and a portion behind a lateral malleolus point of the wearer's foot. A highly rigid portion is provided at a position of the peripheral wall portion lower than a portion of the peripheral wall portion provided with the bulging portion. At least a portion of the peripheral wall portion including the bulging portion and the highly rigid portion is configured of a single member.

The invention provides an ankle joint replacement joint fixing device based on 3D printing, and belongs to the technical field of medical instruments. The device comprises a bottom plate, an adjusting assembly, a foot fixing groove and a tibia fixing assembly, and a core structural part is integrally formed through 3D printing; during use, the foot is placed in the foot groove, the tibia is placed between the tibia fixing blocks, then the adjusting assembly drives the sliding block to move, the angle of the foot fixing groove is adjusted between-30 degrees and 52 degrees, then the first fixing piece is used for fixing the foot dorsum to prevent horizontal displacement, the second fixing piece and the third fixing piece are used for limiting the inner and outer ankles to prevent transverse displacement, and finally the rotating wheel is rotated to drive the lead screw. And the tibia is clamped and locked by the tibia fixing assembly within the range of 0-86mm. The problems that a traditional device is single in angle, unstable in fixation and long in manufacturing period are solved, the adaptability and operation accuracy of the device are improved, meanwhile, the production cost is reduced, and the production period is shortened.

The application provides an ankle guard, comprising: a fixed part, the fixed part comprising a tendon fitting part, an arch fitting part, a lateral malleolus fitting part, and a heel hollow part; a connecting part, the connecting part comprising a first connecting part and a second connecting part, the distal end of each of the first connecting part and the second connecting part being provided with a connecting unit; a hollow part, the hollow part being provided on the fixed part and / or the connecting part; wherein one of the first connecting part and the second connecting part can pass through the hollow part from the inner side of the ankle guard to be connected to the outer side of the ankle guard through the connecting unit thereof, and the other one can be connected to the outer side of the ankle guard through the connecting unit thereof and form an overlapping area in the front malleolus area. Through the above-mentioned ankle guard, the ankle guard can be quickly worn and fixed; the ankle guard can provide good protection for the whole ankle, especially the overlapping area part can form a cross-pressing structure in the front malleolus area to provide better protection for the ankle joint; and the fixing stability of the ankle guard can be improved.