58 results about "Tarsal Bone" patented technology

The invention discloses a method for acquiring foot shape data based on pictures, which includes five steps of taking pictures, preprocessing the pictures, calculating the foot length, foot width, calculating the tarsal height, and selecting shoes for matching; firstly, two foot shape pictures are taken, The photos are preprocessed to extract the foot profile data; according to the two foot profile data, the foot length, foot width, and front tarsus bump height are calculated respectively to obtain the corresponding foot shape parameters; finally, according to the user's gender , age, and foot type parameter data, match the brand and style of a certain shoe in the online store, and recommend the best size for the user. The invention can conveniently and quickly extract foot shape data, and accurately size match shoes of different brands and types according to the foot shape data, which can greatly improve the user's online shoe shopping experience and reduce the risk of inaccurate size when users buy shoes online. The return rate caused by the appropriate has the advantages of simple operation, convenient use, and low cost.

The present invention relates to an inner sole for a shoe, comprising a base body, a covering layer and several cushioned layers arranged on the surface of the sole. A first cushioned layer is provided in the ball area of the forefoot, a second cushioned layer is included in the transition area of the metatarsus and the tarsus and a third cushioned area is provided between the metatarsus and the heel. The cushioned layers are subdivided into individual, separate plateau-like fields which are located close to each other in the transversal direction of the sole surface. This provides an inner sole which brings about a substantial improvement in the transport of fluids in the venous and lymphatic vessel system in the legs during movement of the foot joints and ankle joints by means of synergistic support of the muscle structure.

The invention provides a fastener implant for osteosynthesis of fragments of the first metatarsal bone in its proximal portion situated towards the tarsal bone, the implant comprising at least a fastener element for fastening via a fastener face on or against the outside surface of the first metatarsal bone in order to hold the bone fragments together, wherein said fastener face includes at least one anatomical surface portion of shape that is substantially complementary to the shape of the plantar surface of the proximal portion of the first metatarsal bone.

The invention relates to a sole which is a sole structure of sports shoes, wherein the bottom surface of the sole structure is divided into a phalange section, a big toe section, a first metatarsus section, a second metatarsus section, a tarsal bone section and an external calcaneus section, corresponding to phalange, metatarsus, tarsal bone and calcaneus of human foot. The phalange section, the big toe section, the first metatarsus section, the second metatarsus section, the tarsal bone section and the external calcaneus section are respectively provided with a plurality of sucking discs which are provided with concave sucking disc bodies in an embedding manner. The inner concave surfaces of the sucking disc bodies are provided with a bulge respectively. The sole structure is designed on basis of an octopus sucking disc structure and a plurality of sucking discs are internally embedded at the phalange section, the big toe section, the first metatarsus section, the second metatarsus section, the tarsal bone section and the external calcaneus section respectively so as to ensure that the sucking discs can firmly adsorb on the ground of a place by means of differences of inside and outside atmospheric pressures of the sucking disc, thus providing stronger adsorption force to the ground and stability.

The invention discloses a series-parallel damping humanoid three-freedom-degree mechanical foot and belongs to the field of humanoid robots. The series-parallel damping humanoid three-freedom-degree mechanical foot comprises a mechanical shank, a tarsal bone rod A, a tarsal bone rod B, a tarsal bone rod C, a metatarsal bone rod A, a metatarsal bone rod B, a metatarsal bone rod C, a mechanical toe, a shank spring connecting the mechanical shank with the tarsal bone rod A, an ankle large gear, an ankle motor, an ankle small gear, a tarsal bone large gear, a tarsal bone motor, a tarsal bone small gear, an ankle shaft, a tarsal bone hinge, a metatarsal bone shaft, a toe shaft, a tarsal and metatarsal spring, a toe spring, a toe large gear, a toe small gear and a toe motor, wherein the ankle large gear, the ankle motor and the ankle small gear are arranged on the tarsal bone rod B. The ankle shaft is fixedly combined with the mechanical shank and provided with the ankle small gear. The metatarsal bone shaft is fixedly combined with the metatarsal bone rod A and provided with the ankle small gear. The toe shaft is fixedly combined with the mechanical toe and provided with the toe small gear. The mechanical foot is a humanoid mechanical foot which is simple in structure, has the three freedom degrees and a damping function and is in a series-parallel mode.

The invention provides a method for constructing the arch rod structure based on the main axis of inertia of the living arch of the foot bone. Based on the center of mass of the living arch of the foot bone, the main axis of inertia of the living bone is solved according to a specific rotation sequence; Three-dimensional rectangular coordinate system; select six maximum and minimum marked points along the three coordinate axes in the established three-dimensional rectangular coordinate system; reverse the six marked points in the reverse order of specific rotation; connect the six points to form a living arch The rod structure of the bone; the rod structure connecting 7 tarsal bones and 5 metatarsals constitutes the arch rod system; a new method for foot statics, dynamics analysis and optimal calculation of the foot wear structure is formed, with the rod structure With a sufficient mechanical model, mechanical analysis can be carried out as needed.

Effective treatments of pain and / or inflammation from tendonitis, carpal tunnel syndrome, tarsal tunnel syndrome, osteoarthritis, bursitis and / or an oral-facial disease are provided. Through the administration of an effective amount of at least one alpha adrenergic agonist at or near a target site, one can reduce, prevent or treat pain and / or inflammation from tendonitis, carpal tunnel syndrome, tarsal tunnel syndrome, osteoarthritis, bursitis and / or an oral-facial disease.

The invention discloses a four-degrees-of-freedom series-parallel impact resistant mechanical foot for a humanoid robot, which belongs to the field of humanoid robots. The four-degrees-of-freedom series-parallel impact resistant mechanical foot for the humanoid robot comprises a mechanical shank, a tarsal skeleton, an ankle shaft A, an ankle shaft B, a metatarsal skeleton, a toe, a toe joint, a sole, two compression resistant rubber columns, two tensile springs, a torsion spring B and a torsion spring A, wherein the toe joint is used for connecting the toe with the metatarsal skeleton; the torsion spring B is mounted between the toe and a metatarsal bone rod C; the torsion spring A is mounted between a tarsal bone rod C and a metatarsal bone rod A; the tarsal skeleton comprises a tarsal bone rod A, a tarsal bone rod B and a tarsal bone rod C; the metatarsal skeleton comprises a metatarsal bone rod A, a metatarsal bone rod B and a metatarsal bone rod C; the two tensile springs are mounted on the external sides of the two compression resistant rubber columns and always in a tensile and stressed state; the mechanical shank can rotate around the ankle shaft A; the ankle shaft B is orthogonal to the ankle shaft A; and the mechanical shank can realize twisting motion around the ankle shaft B. The invention is the humanoid robot foot with reasonable structure, impact resistance and four-degrees-of-freedom series-parallel mode.

The invention discloses a high-frequency series humanoid four-freedom-degree mechanical foot, and belongs to the field of humanoid robots. The high-frequency series humanoid four-freedom-degree mechanical foot comprises a tarsal bone board, a metatarsal bone board, a toe, an ankle joint connecting the tarsal bone board with a mechanical crus, a tarsal bone joint connecting the tarsal bone board with the metatarsal bone board and a toe joint connecting the metatarsal bone board with the toe; the ankle joint comprises a first ankle gear shaft, a second ankle gear shaft, a first U-shaped frame, a first motor, an ankle rotation shaft, a bearing frame, a bolt and a fourth motor; the first ankle gear shaft is perpendicular to the ankle rotation shaft; the tarsal bone joint comprises a first tarsal bone gear shaft, a second tarsal bone gear shaft and a second motor; the first tarsal bone gear shaft is in mesh transmission with the second tarsal bone gear shaft, and an output shaft of the second motor is connected with one end of the first tarsal bone gear shaft; the toe joint comprises a first toe gear shaft, a second toe gear shaft, a third U-shaped frame and a third motor. The humanoid robot foot is reasonable in structure and better in humanoid effect and has four freedom degrees, the high-frequency motion characteristic and the series mode.

The invention discloses an ostrich-stimulated high-speed stability joint. The joint is composed of a first rigid rod piece, a rear side upper end boss, an outer side upper end boss, an outer side cross flexible element, a rear side parallel flexible element, an outer side joint buffer pad, an inner hexagon screw, an outer side lower end boss, a rear side lower end boss, a second rigid rod piece, afront side lower end boss, an inner side lower end boss, an inner side cross flexible element, a double-spring buffering seat, an inner side inter-joint buffering pad, a buffering sliding block, a front side parallel flexible element, a head screw, an inner side upper end boss and a front side upper end boss. According to the ostrich-stimulated high-speed stability joint, engineering bionic operation is carried out on the special joint morphology, a soft tissue structure as well as a ratchet-similar wheel, a triangular sesamoid bone and other limiting features of an ostrich inter-tarsal-bonejoint, the bionic joint which can be applied to high-speed motion and has internal and external rotation, buffering, antagonism and other limiting features is designed; and a connection movement pairof the joint is a spherical pair, so that various loads caused by different ground environments can be borne without causing abrasion of the surface of the joint.

The invention discloses a four-degree-of-freedom humanoid parallel-connection vibration-reduction mechanical foot and belongs to the field of humanoid robots. The four-degree-of-freedom humanoid parallel-connection vibration-reduction mechanical foot comprises an ankle joint shaft, a tarsal bone plate, an ankle motor, a tarsal bone shaft, an H-shaped metatarsal plate, a tarsal bone motor, a toe shaft A, a toe shaft B, a parallel-connection toe A, a parallel-connection toe B, a toe motor A and a toe motor B. The ankle joint shaft is provided with a mechanical shank. The ankle motor is arranged on the tarsal bone plate and connected with one end of the ankle joint shaft. The tarsal bone shaft is provided with the tarsal bone plate. The tarsal bone motor is arranged on the H-shaped metatarsal plate. The toe shaft A and the toe shaft B are arranged on the front side and the rear side of the H-shaped metatarsal plate correspondingly. The parallel-connection toe A is arranged on the toe shaft A. The parallel-connection toe B is arranged on the toe shaft B. The toe motor A is arranged on the H-shaped metatarsal plate and connected with the toe shaft A. The toe motor B is arranged on the H-shaped metatarsal plate and connected with the toe shaft B. The four-degree-of-freedom humanoid parallel-connection vibration-reduction mechanical foot further comprises a toe torsion spring A, a toe torsion spring B, a tarsometatarsus torsion spring and an ankle shaft torsion spring. The four-degree-of-freedom humanoid parallel-connection vibration-reduction mechanical foot is a parallel-connection mode humanoid mechanical foot which is reasonable in structure and better in imitation effect, and has four degrees of freedom of motion and a vibration reduction function.