25 results about "Ankle bone" patented technology

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.

1. Name of the design product: ankle bone fixing band. 2. Use of the design product: auxiliary rehabilitation instrument for fixing ankle bone. 3. Design points of the design product: in shape. 4. Picture or photo best indicating the design points: perspective view 1.

The dressing change bracket comprises a base and a telescopic rod installed on the top surface of the base, the telescopic end of the telescopic rod is fixedly connected with a supporting plate, the supporting plate is horizontally connected with supporting plates in a sliding mode, installation blocks are installed on the two supporting plates, clamping grooves are symmetrically formed in the supporting plates, and the clamping grooves are connected with the supporting plates in a sliding mode. The mounting block is provided with a bandage, one end, far away from the mounting block, of the bandage is fixedly connected with a connecting block, two sides of the connecting block are fixedly connected with clamping blocks, the clamping blocks are connected with the clamping grooves in a clamping manner, the device further comprises a clamping assembly and a limiting assembly, and the clamping assembly is used for limiting the clamping blocks. According to the utility model, the bolts are pulled out of the limiting holes, the two supporting plates slide, adjustment is carried out according to the length of the legs of a patient so as to adapt to different patients, and after adjustment is completed, the bolts are inserted into the limiting holes again to limit the two supporting plates, so that the two supporting plates are prevented from sliding in the dressing change process.

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.

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 application provides a visual human-imitating ankle intelligent teaching aid and a preparation method thereof, and relates to the technical field of teaching aids.The visual human-imitating ankle intelligent teaching aid comprises a human-imitating ankle body, human-imitating muscles, a position sensor, a force sensor and a controller.The human-imitating ankle body comprises human-imitating phalanges, human-imitating metatarsal bones, human-imitating cuboid bones, human-imitating wedge bones, human-imitating navicular bones, human-imitating fibula bones, human-imitating anterior tibiofibular ligaments, human-imitating calcaneus bones, human-imitating talus bones, human-imitating calcaneofibular ligaments and human-imitating tibia bones arranged according to human body structure.The position sensor and the force sensor are connected with the controller.The human-imitating muscles wrap the human-imitating ankle body, the position sensor and the force sensor.The acceleration sensor and the angular velocity sensor are arranged on the human-imitating talus near the human-imitating anterior tibiofibular ligaments.The force sensor is arranged on the human-imitating talus near the human-imitating calcaneus bone.The application can quantize the data of bone-setting methods of experts and trainers, so that the deviation of the bone-setting methods of the trainers can be obtained, and the trainers can learn better.

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 configured to capture epiphyseal bone in the one of the foot and / or ankle bone. Related methods are also provided.

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.

The utility model relates to the technical field of medical care, and particularly discloses a restraining device with a sponge cushion structure, which comprises a restraining mechanism and a fixing mechanism assembled on the restraining mechanism, the restraint mechanism comprises supporting seats, a sleeve rod is slidably mounted between the supporting seats, a sponge ring is slidably mounted at the top of each supporting seat, a placement opening is formed in the top of each sponge ring, a fixing belt is connected to the top of each sponge ring, and a sealing block clamped with the corresponding placement opening is fixedly mounted at the bottom of each fixing belt. The fixing mechanism comprises first binding bands fixedly installed on the two sides of the supporting base and second binding bands fixedly installed at the front end of the sleeve rod. The position of the ankle bone can be restrained, the position of the knee does not need to be limited, the lower limbs of the old can be effectively prevented from curling up, meanwhile, the heel can be raised, the old can be prevented from feeling uncomfortable due to pressure, the restraining feeling is relieved, and the comfortable effect is improved.

The boot comprises a boot upper and a boot sole, protective layers are arranged on the boot upper corresponding to the tibia, the ankle bone, the metatarsal bone and the heel part of the human body, and the protective layers are made of rubber materials. Functionality and comfort of the fire extinguishing protective boots are optimized through ergonomics, protective properties such as smashing prevention and puncture prevention of the fire extinguishing protective boots are enhanced, meanwhile, the purpose of weight reduction can be achieved, portability and comfort of the boots are improved, important skeleton parts of a human body can be mainly protected, high-strength protection, portability and comfort are integrated, and the fire extinguishing protective boots are worthy of popularization and application. And good anti-skid and wear-resistant properties are achieved. Compared with the existing fire-extinguishing protective boots, the fire-extinguishing protective boots for the firefighters have the advantage that the weight can be reduced by more than 20%.

The invention relates to the technical field of surgical robot control, in particular to a laser osteotomy forming assisted ankle joint replacement surgical robot control method and system.The method comprises the steps that a surgical robot is used for cutting a simulated ankle bone, the original osteotomy depth and a target sound wave signal set are obtained, and an osteotomy laser feature set of the target sound wave signal set is recognized; the method comprises the steps of obtaining an original laser parameter set, adjusting the original laser parameter set to obtain a replacement laser parameter set, carrying out a laser osteotomy test based on the replacement laser parameter set to obtain an adjusted osteotomy depth and an adjusted acoustic signal set, identifying an adjusted laser feature set of the adjusted acoustic signal set, calculating a correlation intensity value, and determining a target laser parameter set based on the correlation intensity value. The cutting stability and accuracy of the laser osteotomy forming auxiliary ankle joint replacement surgical robot under the conditions of complex geometry and complex materials can be improved, and the intelligent degree of surgical robot control is improved.

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 aims at providing a novel medical ankle fracture multi-angle positioning device, and relates to the technical field of medical instruments, a plurality of fixing belts are arranged on a telescopic rod, and when the device is used, the telescopic rod is fixed to the leg through the fixing belts; a telescopic column is fixedly arranged at the front end of the telescopic rod, a rotating rod is rotatably arranged at the extending end of the telescopic column, a U-shaped head is fixedly arranged at the front end of the rotating rod, and a guide block is rotatably installed in the U-shaped head; a guide cylinder is slidably arranged on the guide block; during use, the guide cylinder is adjusted to the ankle joint through stretching and retracting of the telescopic rod, the inclination direction of the guide cylinder is adjusted through rotation of the rotating rod, the angle of the guide cylinder can be adjusted through rotation of the guide block, the angle of the guide cylinder is limited through the locking bolt on the U-shaped block, and after the position of the guide cylinder is adjusted, the ankle joint can be fixed through sliding of the guide cylinder. The distance between the guide cylinder and the fracture position is adjusted, so that guide positioning is achieved, the device does not need to be held by hand, and a kirschner wire and a screw can be implanted through the guide cylinder.

A calcaneal prosthesis system includes a body having a dorsal surface, a plantar surface, an anterior surface, and a posterior end. The posterior end has a tuberosity. The anterior surface has at least a concavity or convexity shaped for receiving a cuboid bone or mid-foot bone. The dorsal surface includes a convex or concave surface for engaging a talus bone or distal tibia. An integrally formed intramedullary (IM) nail extends from the dorsal surface.

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.

The present application relates to the technical field of automobile crash test, and more particularly to a lower limb structure for vehicle crash test, which comprises a knee bone, a lower leg assembly arranged at one end of the knee bone, an ankle bone assembly arranged at the other end of the lower leg assembly, a foot assembly movably arranged at the other end of the ankle bone assembly, a first driving assembly arranged on the ankle bone assembly and in transmission connection with the foot assembly, and a second driving assembly arranged on the ankle bone assembly and in transmission connection with the foot assembly. The lower limb structure can actively respond to actions in the crash test, so that the test conditions and test results are closer to the real situation.

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.