13 results about "Ankle bone" patented technology

The utility model relates to a multifunctional heelpiece accessory which comprises a basic wrapping part, a structure part easy to put on and take off, an ankle sprain prevention stabilizing part and a composite function structure belt, and the shape of the basic wrapping part is matched with the shape of the heelpiece of a user; the easy-to-put-on and take-off structure part is arranged at the top of the middle of the heel of the basic wrapping part and is in a guide groove shape which is inclined upwards and turned outwards; the foot sprain prevention stabilizing parts are arranged at the tops of the two sides of the basic wrapping part, the rear parts of the foot sprain prevention stabilizing parts are mutually continuous with the easy-to-put-on and easy-to-take-off structure parts, the middle parts of the foot sprain prevention stabilizing parts form concave structures for avoiding ankle bones, and the front parts of the foot sprain prevention stabilizing parts extend obliquely upwards to integrally form side wall supporting parts for supporting the ankle bones and limiting unconventional overturning of ankle joints; the composite functional structure belt is compounded on the outer surface of the basic wrapping part and is in an inclined supporting arch shape with a high middle part and two low sides; the production positioning structure is arranged on the bottom assembling face of the basic wrapping part and used for being assembled with the shoe sole or the vamp part in an aligned mode. The utility model provides a multifunctional heelpiece accessory which integrates wearing and taking-off convenience, ankle sprain prevention during sports, safety protection and production optimization.

A surgical guide includes a body having four sides. The body comprises a first base at the first side, a second base at the second side and an elongated extension between the first and second base. The first base defines at least one first hole and the second base defines at least a second hole. The body is sized and configured to be installed above a joint line of a calcaneus and a talus bone and approximately mid-way along a longitudinal axis of a tibia. The first base is configured to receive at least one dowel of a second surgical guide in the at least one first hole and the second base is configured to receive at least one pin sleeve and pin in the second hole. Systems and methods are also disclosed.

The present application relates to the technical field of surgical robot control, and a laser osteotomy forming assisted ankle joint replacement surgery robot control method and system, comprising: using a surgical robot to cut and shave a simulated ankle bone to obtain an original osteotomy depth and a target sound wave signal group, identifying an osteotomy laser feature group of the target sound wave signal group, adjusting an original laser parameter group to obtain a replacement laser parameter group, performing a laser osteotomy test based on the replacement laser parameter group to obtain an adjusted osteotomy depth and an adjusted sound wave signal set, identifying an adjusted laser feature group set of the adjusted sound wave signal set, calculating a correlation intensity value, and determining a target laser parameter group set based on the correlation intensity value. The present application can improve the stability and accuracy of the laser osteotomy forming assisted ankle joint replacement surgery robot in cutting and shaving under complex geometric and complex material conditions, and improve the intelligent degree of the surgical robot control.

A talonavicular joint prosthesis includes a navicular component configured to be implanted in a navicular bone and including a base and a surface having an articulation recess formed therein; and a talar component configured to be implanted in a talus bone and including a bearing section configured to rest within the articulation recess. The talar component and the navicular component are shaped such that, when brought together, there is more conformity between the navicular component and the talar component in a dorsal-plantar plane than in a medial-lateral plane.

A threaded implant for bone fixation is provided. The implant includes a head. The implant includes a shaft extending distally from the head. The shaft includes a distal tip. The shaft includes a first set of threads extending a first predetermined length from the distal tip. The first set of threads are configured to capture cortical bone in one of a foot and / or ankle bone of a patient. The shaft includes a second set of threads extending a second predetermined length from the first set of threads. The second set of threads are configured to capture epiphyseal bone in the one of the foot and / or ankle bone. Related methods are also provided.

This invention provides a multi-mode motion robot and its motion method, including a ducted thruster, a hip module, a left leg module, a right leg module, and a control module; the ducted thruster is connected to the hip module; the hip module is symmetrically equipped with the left leg module and the right leg module; the hip module includes a thruster yaw unit and a hip joint unit; the left leg module and the right leg module are symmetrically equipped and respectively include a knee joint unit, a tibia unit, an ankle unit, and a heel unit; to achieve a unique multi-mode motion capability, thereby enabling a robot that can simultaneously perform search and rescue and reconnaissance missions in both ground and air environments.

This product is an ankle support sticker that is attached to the lower part of the outer ankle bone to promote blood circulation, improve core muscle function, and increase flexibility.

The invention relates to the technical field of medical instruments, and discloses a lower limb force line measuring device which comprises a fixing assembly and a force line rod, the force line rod is provided with two connecting ends, one connecting end is provided with a first developing ring, and the first developing ring is connected with the fixing assembly through an adjusting part; the adjusting part is provided with a first moving direction and a second moving direction, and the first moving direction is perpendicular to the second moving direction. The second developing ring is arranged at the other connecting end of the force line rod, a clamping claw is arranged on the second developing ring, and the clamping claw is used for restraining the second developing ring in the projection of the ankle bone in the horizontal plane; in the operation process, the knee joint ectropion and ectropion osteotomy correction condition can be judged in real time, the lower limb force line of a patient is confirmed, and the operation effect is guaranteed.

A system for preparing an ankle bone to receive an ankle prosthesis is provided. The system includes a patient specific cutting guide that has an anterior surface, a posterior surface, and at least one cutting feature extending through the guide from the anterior surface. The posterior surface comprising a first protrusion or other member that extends from a first end fixed to the posterior surface to a second end disposed away from the first end of the first protrusion. The posterior surface has a second protrusion or other member that extends from a first end fixed to the posterior surface to a second end disposed away from the first end of the second protrusion. The first and second protrusions are spaced apart and have a length such that when the patient specific cutting guide is coupled with first and second bone references, which can include bushings implantable in bones, a clearance gap is provided between the posterior surface and the ankle bone.

To provide socks that can maintain the talus bone in its normal position. [Solution] The sock S comprises a sock body 1, an inner support portion 2 formed in a band shape from above the medial malleolus a downward through the medial malleolus a and less stretchable than the sock body 1, a sole support portion 3 formed in a band shape from the lower end of the inner support portion 2 across the sole of the foot and less stretchable than the sock body 1, a posterior support portion 5 that covers the heel and is formed upward from the heel along the Achilles tendon and less stretchable than the sock body 1, and an arch support portion 6 formed to cover the arch of the sole of the foot and less stretchable than the sock body 1, wherein the inner support portion 2 and the posterior support portion 5 are spaced apart in the circumferential direction at their upper ends.

The invention discloses a personalized 3D printing ankle joint bone fracture plate and a navigation operation guide plate system matched with the personalized 3D printing ankle joint bone fracture plate, and relates to the technical field of orthopedic medical instruments, in particular to the personalized 3D printing ankle joint bone fracture plate and the navigation operation guide plate system matched with the personalized 3D printing ankle joint bone fracture plate. The main body plate is provided with a locking hole group, a pressurizing hole group, a supporting wing and an identification groove; the guide plate base plate is provided with guide columns and fixing nail holes corresponding to the hole positions of the main body plate. The inner side face of the main body plate is profiled according to the bone cortex of a patient and is provided with micron-sized concave textures, and the outer side face of the main body plate is a smooth plane and is provided with an operation driving groove. And the supporting wings are thin wings and form a structure adaptive to the included angle of the bone surface with the main body plate. Personalized customization of the bone fracture plate is achieved through the 3D printing technology, the bone fracture plate is matched with the guide plate base plate with the precise positioning guide columns, the operation precision is effectively improved, the attaching stability of the bone fracture plate and the bone surface is enhanced, and postoperative recovery is facilitated.

Provided is a prosthesis for ankle arthroplasty including a talar dome component configured to be attached to a talus bone. Also provided is a guide instrument for guiding a reamer to prepare a talus to receive the talar dome component.

An ankle arthrodesis implant can include an elongate shaft sized and shaped to be implanted in an intramedullary canal of a tibia of a patient; a first angled opening through the shaft, the first angled opening defining a first axis that extends through the tibia and into a talus bone of the patient across a tibio-talar joint when the elongate shaft is implanted; a first elongate slot through the shaft, the first elongate slot defining a second axis that extends into the patient's talus when the elongate shaft is implanted, the first elongate slot being configured to allow a first fixation member to translate axially relative to the shaft within the first slot from a first position to a second different position to compress a tibio-talar joint, wherein the second axis is perpendicular to a sagittal plane of the ankle; a second elongate slot through the shaft, the second elongate slot defining a third axis that extends into a patient's calcaneus when the elongate shaft is implanted, the second elongate slot being configured to allow a second fixation member to translate axially relative to the shaft within the second slot from a first position to a second different position to compress a subtalar joint; a second angled opening through the shaft, the second angled opening defining a fourth axis that extends through the calcaneus and into a talus bone of the patient across the subtalar joint when the elongate shaft is implanted; and a third angled opening through the shaft, the third angled opening defining a fifth axis that extends into a calcaneus bone of the patient when the elongate shaft is implanted.