80 results about "Achilles tendon" patented technology

The invention relates to the technical field of finite element modeling, in particular to a kinematics and dynamics index output method based on a human body model, which comprises the following steps of: S1, establishing acceleration modules at the head, the chest, the hip and the lower limbs of the human body model for global and local acceleration and angular velocity output; s2, building displacement modules at the chest, abdomen, knee joints and achilles tendons of the human body model, wherein the displacement modules are used for outputting the compression amount and the elongation amount; and S3, establishing section force modules at the spine, crista iliaca, femur and tibia of the human body model for outputting local force and torque. According to the scheme, the technical problem that kinematics and dynamics indexes of the human body model cannot be effectively extracted in the prior art can be solved, the obtained kinematics and dynamics indexes can be compared with data collected by various sensors in a real physical test, and biological fidelity verification of the human body model is facilitated.

The invention discloses a humanoid robot bionic foot with autonomous terrain testing capability, which comprises a front sole component and a rear sole component which are flexibly connected through a sole fascia, a support connecting frame is hinged with an arch component to form a space transmission structure, and the support connecting frame and the arch component cooperate with the fascia to form an arched composite support. The locust-imitating foot pad has the innovation points that the locust-imitating foot pad realizes segmented flexible and local fitting buffering; the pelma fascia and the arch-shaped arch absorb impact in the initial gait stage, and rigid body transmission is reduced; the dorsal muscle imitating elastic sheet and the achilles tendon imitating elastic sheet store and release energy in the second half of the gait, and the dynamic stability is improved; pressure sensors are arranged at three points of the front / rear sole and the ankle joint, a space stress model is constructed, distribution of the force center and the touchdown point of the sole is analyzed in real time, and the terrain state is judged. Through structure-sensing coupling, the foot can autonomously judge the terrain under the non-driving state, passive foot landing adaptation is achieved, environment dependence is simplified, and the application range is wide. And the walking robustness under the complex terrain is improved.

The embodiment of the utility model discloses an achilles tendon stitching instrument which comprises two clamping blocks and a threading needle, the two clamping blocks are oppositely arranged, the distance between the two clamping blocks can be adjusted, clamping arms parallel to each other are arranged on one sides of the two clamping blocks respectively, the clamping arms are of an S-shaped structure, and needle threading holes with internal threads are formed in the clamping arms. The threading needle is provided with an external thread part, and the threading needle penetrates into the threading hole and is in threaded connection with the threading hole. By the adoption of the achilles tendon stitching instrument, compared with the prior art, two outer straight arms are relatively reduced, the needle penetrating holes with the internal threads are formed in the clamping arms, and the penetrating needles are directly fixed to the clamping arms in a threaded mode, so that the achilles tendon stitching instrument can be firmly positioned, and the use requirement is met; the influence of an outer straight arm is reduced, and operation of a doctor is facilitated; meanwhile, the traditional straight-arm-shaped structural design is changed, and the clamping arms are arranged to be S-shaped structures, so that the clamping arms are better attached to the achilles tendon part, the clamping arms can be easily and accurately inserted into the two sides of the achilles tendon, and operation is convenient.

The invention relates to the field of medical auxiliary instruments, in particular to an auxiliary device for preventing lower limb thrombus and foot drop. The problems of lower limb blood circulation disorder, foot drop and heel pressure sores of long-term bedridden patients are solved. The device comprises a foot moving mechanism, a bearing part and a massage part, the foot moving mechanism drives a foot sole to rotate through a motor, and passive bending and stretching of the foot sole are achieved through the magnetic interaction of a movable magnet and a fixed magnet set; the bearing part is provided with a heel accommodating groove and a heel tendon supporting ridge structure, so that the heel pressure is effectively dispersed; the massage part automatically triggers alternate work of a lifting air bag and a massage air bag through movement of the shank through a pneumatic transmission mechanism, and intermittent lifting of the heel and cyclic massage of the shank are achieved. The device can synchronously maintain the motion range of ankle joints, promote blood circulation of lower limbs and relieve heel pressure, and has the advantages of being high in automation degree, high in adaptability, safe and comfortable.

The utility model discloses a calf achilles tendon stretching device which comprises a bottom plate and a pedal, and the first end of the pedal is connected with the bottom plate in a three-dimensional rotating mode. The calf achilles tendon drafting device further comprises a first telescopic assembly, the first end of the first telescopic assembly is connected with the bottom plate in a two-dimensional rotating mode, and the second end of the first telescopic assembly is connected with the second end of the pedal in a three-dimensional rotating mode. The first end of the first telescopic assembly is connected with the bottom plate in a three-dimensional rotating mode, and the second end of the first telescopic assembly is connected with the second end of the pedal in a three-dimensional rotating mode. The telescopic assembly can stretch out and draw back to adjust the length so as to adjust the posture of the pedal, so that the posture of the feet of a person is changed, and the effect of correcting the feet is achieved. The telescopic range of the telescopic assembly is large, the posture adjusting range of the pedal is large, and therefore the application range of the calf achilles tendon stretching device is widened.

An Achilles tendon repair that provides a minimally invasive surgical procedure that requires at least two medical devices comprising: at least one fascial elevator separator and at least one suture passer elevator separator with a paddle guide that assist with repair of Achilles tendons wherein a fascial elevator separator paddle guide that has a U-shaped portion at a distal end provides separation of a Paratenon from an Achilles tendon and also provides a surgical plane along a designated length of the Achilles tendon that eliminates a possibility of damage to either the Sural Nerve or Saphenous Vein. The suture passer elevator separator also provides for precise placement of multiple locking sutures along the medial and lateral free edge if the Achilles tendon which allows even tensioning of the surgical repair.

The utility model belongs to the technical field of women's shoes, and particularly relates to women's shoes capable of protecting feet, which comprise soles, vamps are arranged on the upper sides of the soles, shoelaces are arranged on the surfaces of the vamps, heels are arranged on the left sides of the lower ends of the soles, and protective sleeves are fixedly connected to the left side walls of the inner sides of the vamps. The right side of the protective sleeve is fixedly connected with a hook-and-loop fastener loop surface, the right side of the hook-and-loop fastener loop surface is bonded with a hook-and-loop fastener hook surface, the right side of the hook-and-loop fastener hook surface is fixedly connected with a protective piece, and the lower end of the heel is in contact with a wear-resistant block. Due to the fact that the protective sleeve is arranged and is made of the cotton materials, softness and pressure resistance of the inner side wall of the vamp of the women's shoe can be improved, the protective piece can be fixed under the cooperation of the hook-and-loop fastener loop face and the hook-and-loop fastener hook face, and due to the fact that the protective piece is made of the silica gel materials, skin-friendly performance and deformation performance of the vamp can be improved. Furthermore, the achilles tendon of the foot of the woman is protected.

The utility model discloses a pressure sore prevention body position pad which comprises a flat plate, side plates are hinged to the two sides of the flat plate respectively, fixing assemblies are arranged on the two sides of the flat plate, the side plates are fixed through the fixing assemblies after the angle of the side plates is adjusted relative to the flat plate around hinge parts, a plurality of first air bags are arranged at the top of the flat plate, and second air bags are arranged at the tops of the side plates. The first air bags are connected to the first main air pipe through the corresponding branch air pipes, the second air bags are connected to the second main air pipe, the three separated first air bags are driven to bulge so as to support the heels, the achilles tendon, the buttocks, the waist, the head and the shoulders of a patient, and the other two separated first air bags do not bulge so as to support the heels, the tendons, the buttocks and the shoulders of the patient. The side plates are fixed through the fixing assemblies after angle adjustment is carried out on the side plates around the hinge parts relative to the flat plate, so that the side-lying position of the patient is supported through the second air bag, meanwhile, a gap is formed between the second air bag and the back of the patient, and pressure sores are prevented from being carried out on the other parts of the patient.

The invention provides a manual lateral meniscus stitching instrument under an arthroscope, and relates to the technical field of meniscus stitching. The manual lateral meniscus stitching instrument under the arthroscope comprises a sleeve, a sleeve and a puncture needle, an achilles tendon line used for stitching a meniscus is arranged in the sleeve, the achilles tendon line penetrates into the puncture needle all the time and penetrates out of a round hole, 1 cm away from a tip, in the front end of the puncture needle, an adjusting mechanism is arranged in the front end of the sleeve, and the adjusting mechanism is connected with the sleeve. The adjusting mechanism drives the sleeve to adjust the angle; an extension mechanism is arranged in the sleeve, and the extension mechanism drives the puncture needle to extend in the length direction; the puncture needle is internally provided with a thread guiding mechanism for guiding out the achilles tendon thread. The meniscus is sutured from inside to outside under a mirror, the meniscus can easily penetrate out of the upper portion and the lower portion of the torn meniscus, the technical difficulty is lowered, influences of the physiological position and the operative position of the small head of the fibula are avoided, and the anterior angle and the body part of the outer side meniscus can be sutured to be torn.

The invention relates to the technical field of shoemaking, and discloses a shoe with a counter built in a shoe heel part, the shoe comprises the shoe heel part with the counter built in, the counter comprises an extension part, an achilles tendon part and a heel cavity part, the extension part inclines backwards and upwards, an opening of the achilles tendon part is wide in the front and narrow in the rear, the heel cavity part is in a shape of wrapping a heel, and the heel cavity part is in a shape of wrapping the heel. The width of the welt part of the shoe heel part is set to be smaller than the horizontal width of the heel of a human body, and the welt part of the shoe heel part fits the achilles tendon part of a foot when the shoe is worn. The counter comprises an opening-shaped heel tendon part which is wide in the front and narrow in the rear and forms a protruding structure in the heel part, and the protruding structure is attached to the heel when the shoe is worn, so that the heel tendon part is not prone to falling off.

Ankle orthosis (10) with a medial stabilizing element (12) designed to be applied to the lower leg and having an upper section (18) that is positioned above the medial malleolus (14), an anterior section (20) that is positioned in front of the medial malleolus (14), a lower section (22) that is positioned below the medial malleolus (14) and a posterior section (24) that is positioned behind the medial malleolus (14), such that the stabilizing element (12) is open posteriorly and superiorly in plan view. wherein a first band (32) is attached to the upper section (18), which, when the orthosis (10) is applied, runs circularly around the lower leg (16) above the medial malleolus (14) towards the upper section (18), wherein a second band (34) is attached to the posterior section (24), which, when the orthosis (10) is applied, first runs posteriorly above the Achilles tendon (54) and then anteriorly over the upper dorsum of the foot (58) to the lower section (22), and wherein a third band (36) is attached to the lower section (22), which, when the orthosis (10) is applied, first runs over the arch of the foot (66) under the midfoot (17) to the outside, and then continues diagonally over the top of the foot (58) to the upper section (18).

The utility model relates to the technical field of ankle-foot orthotics, and discloses a lightweight multifunctional back-supporting type ankle-foot orthotics which comprises a base, an arch orthotics insole is arranged in the base, a multifunctional correction assembly for assisting standing and walking is arranged above the base, and the arch orthotics insole is arranged above the base. The orthosis assembly includes a first ankle foot orthosis body and a second ankle foot orthosis body. According to the light-weight multifunctional rear supporting type ankle-foot orthosis, the first ankle-foot orthosis body, the second ankle-foot orthosis body, the foot arch orthosis insole, the achilles tendon clamping groove and the shank clamping groove are arranged, the ankle joint is kept in the neutral position, ligament relaxation after abnormal stretching is avoided, standing and walking are assisted, malformation is corrected, muscular tension is affected, and the ankle-foot orthosis is suitable for being used for a long time. The problems that ankle diseases and flatfoot diseases cannot be treated at the same time, supporting correction cannot be conducted on foot arches, and an ankle-foot orthosis is limited in function and small in application range are solved.

The utility model discloses a shock-absorbing sports sock, which comprises a sports sock body, the sports sock body comprises a sock sole, a sock instep, a sock leg and a sock welt, three shock-absorbing protective pads are arranged at the sock sole, and the shock-absorbing protective pads are respectively positioned at a sock tip, a sock heel and a front sole of the sock sole between the sock tip and the sock heel; a plurality of vertical contraction damping strips are distributed at the position of an ankle where the bottom of the sock leg is in transition with the sock sole, the bottoms of the vertical contraction damping strips are tightly attached to the sock heel, and a plurality of transverse contraction damping strips are distributed at the position of a heel muscle key of the sock sole. The sock is reasonable in structural design, comfortable to wear, good in air permeability and better in buffering performance, the foot is well protected, the current situation that the foot sole of a long-distance runner is blistered, and fingernails are blackened due to insufficient blood supply of the fingernails after long-term exercise is greatly improved, and the foot of the long-distance runner is really protected by the sock due to shock absorption.

This utility model discloses a breathable and non-slip honeycomb running sock, comprising a mid-calf sock body, an elastic band for securing the sock body at its upper end, an Achilles tendon protective pad sewn to the back of the sock body, protective side wings to expand the protective area of ​​the Achilles tendon protective pad fixedly installed on both sides, and an adjustment strap fixedly installed at the front end of the protective side wings. A first breathable mesh and a second breathable mesh are provided on the upper surface of the sock body corresponding to the instep, both of which are honeycomb mesh structures. This breathable and non-slip honeycomb running sock adopts a novel structural design, with an Achilles tendon protective pad and protective side wings inside the sock body. When the sock body is worn, the Achilles tendon protective pad and protective side wings correspond to the wearer's Achilles tendon position, using both to wrap and compress the Achilles tendon, reducing Achilles tendon movement during running and achieving the purpose of Achilles tendon protection.

To provide a one-tooth Japanese clog capable of simultaneously achieving stretching of an Achilles tendon, opening of toes, a stimulation of sole pressure points, and strengthening of the core.SOLUTION: Each one of health Japanese clogs includes: an arch-shaped thong also as toe opener 3 for holding a foot on an upper surface 1 of the healthy Japanese clog by a second toe; two rubber pipe-made toe opening projections to be arranged between other toes; and sole pressure point-pressing projections 13 as necessary. The Japanese clog is held by arranging a heel holding part in a heel part with the use of a heel holder 6 and a heel holding adjustment belt 7. Besides, by standing with one tooth set at the center of the Japanese clog, users can strengthen their core so as to achieve a well-balanced physical body.SELECTED DRAWING: Figure 1

The invention provides an achilles tendon boot structure beneficial to gait walking, which comprises a sole, an instep limiting structure and a heel pad which are arranged in a split manner, the two sides of the sole are provided with symmetrical side protection plates, and the sides, close to the achilles tendon, of the two side protection plates are connected through an achilles tendon protection structure; the two side protecting plates are connected through a flexible connecting piece; when the front side of the shoe sole tilts upwards and the rear side of the shoe sole is flatly placed on the ground, the included angle between the front side of the shoe sole and the ground is 23-32 degrees. The method is mainly based on the behavior characteristics that after the achilles tendon operation or injury, the achilles tendon cannot bear the weight and can only walk on tiptoe with the forefoot. The achilles tendon boot structure beneficial to gait walking has the advantages of being scientific in design, easy and convenient to operate and good in protection effect, and is suitable for achilles tendon postoperative rehabilitation protection tools.

A shoe rim cushion can protect an Achilles tendon of a user from injuries caused by rubbing of a heel collar of a shoe against the Achilles tendon. The rim cushion can be secured to the back of a shoe without adhesives through an internal biasing that can pinch the rim cushion onto the back of the shoe. The rim cushion can cover the rim of the heel collar so that the rim is unable to rub against the Achilles tendon. The rim cushion can include a double shield with a semi-rigid inner brace and a resilient cushioning pad that can disperse forces applied by the rim to the Achilles tendon.

The invention discloses a high-applicability achilles tendon minimally invasive suturing instrument, and belongs to the technical field of achilles tendon minimally invasive instruments.The high-applicability achilles tendon minimally invasive suturing instrument comprises a U-shaped arm, universal devices are installed at the two ends of the U-shaped arm, outer side arms are movably arranged on the universal devices and fixedly connected with the universal devices through fixing screws, outer side rings are fixed to one ends of the outer side arms, and outer side rings are fixed to the other ends of the outer side arms. A sleeve is movably arranged on the outer side ring; a hinge device is arranged on the U-shaped arm, the hinge device is composed of an upper hollow sleeve and a lower hollow sleeve, the upper sleeve is connected with the U-shaped arm, two measuring rods are movably arranged in the lower sleeve, the two measuring rods are fixedly connected with the sleeves through fixing screw rods respectively, and oval forceps fixers are installed at the ends, away from each other, of the two measuring rods; the device is high in adaptability and accuracy, can be matched with any oval forceps in an operating room, is remarkable in minimally invasive property, greatly reduces tissue damage, reduces the postoperative infection rate, shortens the recovery period, and is adaptive to patient groups needing rapid recovery.

The invention belongs to the technical field of robots, and discloses a mechanical leg with a bionic hydraulic ankle joint and a structure thereof, and the mechanical leg comprises a thigh, a shank oil cylinder, a shank, an achilles tendon oil cylinder and an ankle joint; a traditional mechanism such as a connecting rod speed reducer for achieving inward turning and outward turning movement is simplified into the ankle joint capable of being actively driven through the arc-shaped oil cylinder, and by means of the design, the advantage of large driving force of a hydraulic system is brought into play, and meanwhile the flexibility of the joint is improved; all linear velocities on the long edge of the square piston are kept consistent, and the problem that the oil cylinder is stuck due to rolling of a sealing ring caused by inconsistent linear velocities of all points on the lower round edge of the round section can be avoided; the designed oil cylinder serves as a joint main body to be embedded in the joint, compared with a traditional joint, redundant externally-loaded accessory mechanisms are not needed, the design is more compact, the size is smaller, meanwhile, a buffering mechanism is designed in the dorsal stretching and plantar flexion movement directions, and the bionic kinematics principle is better met.

The utility model provides an achilles tendon postoperative lifting pad auxiliary recovery device which comprises a lifting pad. A leg groove is formed in the top face of the lifting pad, a massage cavity is formed in the lifting pad, a massage assembly is installed in the massage cavity, an inclination angle mechanism is installed in the middle of the bottom face of the lifting pad, and an auxiliary angle groove is formed in the position, located on one side of the inclination angle mechanism, of the bottom face of the lifting pad. An adjusting groove is formed in the bottom face of the lifting pad and located on the other side of the inclination angle mechanism. The training mechanism comprises a protruding block and reset assemblies, the protruding block is fixedly connected to the top face of the adjusting groove, the reset assemblies are installed on the portions, located on the two sides of the protruding block, of the top face of the adjusting groove respectively, an angle shaft is rotationally connected to the interior of the protruding block, and a U-shaped block is rotationally connected to one side of the protruding block through the angle shaft. Through mutual cooperation of the lifting cushion, the massage assembly, the inclination angle mechanism and the training mechanism, rehabilitation training of a patient can be achieved, and rehabilitation of the patient is accelerated.

Embodiments of footwear, in particular, a shoe, sandal or boot, that have the unexpected benefit of reducing the pressure on the plantar surface of the foot while also reducing metabolic demand of walking while also gait speed and improving walking, running, hiking, as well as jumping, hopping, and other motion involving the ankle, lower leg and Achilles tendon, through integration of force-carrying mechanisms within footwear that manage the forces and energy associated with such motion by productively harvesting and storing energy during dorsiflexion motion and releasing and returning energy during plantar flexion and limiting range of motion that conduce towards ankle inversion and eversion. Such footwear may comprise a yoke connected to footwear at a pivot region in parallel to the axis of rotation of the ankle and a tension spring region suspended between the yoke and the posterior portion of the footwear sidewalls or sole.

The adjustable achilles tendon traction ankle brace comprises a foot fixing sleeve with an opening in the upper end, the rear portion of the foot fixing sleeve is rotationally connected with a shank fixing sleeve, inner connecting discs are arranged on the two sides of the rear portion of the foot fixing sleeve, outer connecting discs are arranged on the two sides of the lower end of the shank fixing sleeve, and adjusting grooves are inwards formed in the outer connecting discs; a rotating hole is formed in the bottom of the adjusting groove, the inner connecting disc is connected with a rotating shaft penetrating out of the rotating hole and rotationally connected with the rotating hole, and a limiting chuck is arranged at the free end of the rotating shaft. A circle of outer limiting clamping teeth are arranged on the edge of the inward side of the limiting chuck, a circle of inner limiting clamping teeth in one-to-one correspondence with the outer limiting clamping teeth are arranged in the adjusting groove, an adjusting shaft located on the outer side of the corresponding limiting chuck is rotationally connected into the adjusting groove, an eccentric protruding strip is arranged on the outer side of the adjusting shaft, and an adjusting shifting piece is arranged on the outer side of the adjusting shaft. The angle can be rapidly adjusted in one step, the angle adjusting device is more user-friendly, efficient and reliable, and angle adjustment of the brace is more convenient.

The invention provides a novel achilles tendon boot structure with nonlinear heel pad adjustment, which comprises a sole, an instep limiting structure and a heel pad which are arranged in a split manner, the two sides of the sole are provided with symmetrical side protection plates, and the sides, close to the achilles tendon, of the two side protection plates are connected through an achilles tendon protection structure; the heel pad comprises a hard connecting structure and a flexible supporting structure, and the hard connecting structure is detachably connected with the achilles tendon protection structure; the two side protection plates are connected through a flexible connecting piece. The novel achilles tendon boot structure has the advantages of being scientific in design, easy and convenient to operate and good in protection effect, and is suitable for achilles tendon postoperative rehabilitation.

The utility model relates to the technical field of electrostatic discharge, in particular to an electrostatic foot ring which comprises a connecting assembly, a containing assembly arranged in the connecting assembly and a pressurizing assembly arranged between the connecting assembly and the containing assembly. The connecting assembly comprises a hollow seat, and a first binding belt, a second binding belt and a lead which are respectively arranged on the hollow seat, as well as an air bag arranged in the hollow seat; the storage assembly is arranged in the hollow seat; the pressurizing assembly is arranged in the hollow seat and connected with the storage assembly and the air bag, when a user fixes the foot ring to the ankle, through cooperation of the storage assembly and the pressurizing assembly, the air bag is inflated while the first binding belt and the second binding belt are tightened, the expanded air bag can better wrap the achilles tendon, and the user feels more comfortable. And the situation that the foot is abraded due to the fact that the contact area between the achilles tendon and the foot ring is too small in the moving process is avoided, and the achilles tendon can be better protected.

The utility model relates to the technical field of dressing changing and dressing, in particular to a novel integrated achilles tendon postoperative dressing changing and dressing which comprises a protection ring, a connecting groove is formed in the inner side wall of the protection ring, a protruding block is fixedly connected into the connecting groove, one side of the protection ring is fixedly connected with a connecting belt, and the other side of the protection ring is fixedly connected with the connecting belt. One side of the connecting belt is provided with a son hook-and-loop fastener, and one side of the son hook-and-loop fastener is provided with a mother hook-and-loop fastener. According to the novel integrated achilles tendon postoperative dressing change dressing, due to the arrangement of the protection ring, the protruding blocks, the connecting belt, the child hook-and-loop fasteners and the mother hook-and-loop fasteners, in the dressing change process, after the protection ring is attached to the two sides of the achilles tendon of a patient in a surrounding mode, empty grooves in the two sides of the achilles tendon are filled with the protruding blocks, and then the connecting belt surrounds the protection ring, so that the child hook-and-loop fasteners are attached to the mother hook-and-loop fasteners; further, the protection ring is connected with the surface of the achilles tendon, the protection ring is prevented from sliding off, the occurrence of ankle sprain can be reduced through the protruding blocks, and the effects of ensuring the stability of the ankle and improving the dressing change efficiency are achieved.

A kit and method for reconstructing an Achilles tendon may include a first anchor member, a first flexible member configured to engage the first anchor member, a second anchor member, a second flexible member configured to engage the second anchor member, a first adjustable anchor assembly including a first outer member and a first inner member configured to axially translate within a first lumen of the first outer member in response to rotation of the first inner member relative to the first outer member, a second adjustable anchor assembly include a second outer member and a second inner member configured to axially translate within a second lumen of the second outer member in response to rotation of the second inner member relative to the second outer member, and a collagen implant configured to engage a surface of the Achilles tendon. -41- ABSTRACT2022202627 20 2022 Apr 1 / 34 20 22 20 26 27 2 0 A pr 2 02 2 150 160 100 162 110 120 FIG. 1

The utility model relates to a stable shoe heel part easy to put on and take off, which comprises a shoe heel part body, the shoe heel part body comprises a wrapping part used for wrapping the heel of a human body, a waist contraction part matched with the rear ankle and an external expansion part positioned on the upper side of the waist contraction part, and a splayed convex part is arranged on the inner wall surface of the shoe heel part body. The splayed protruding part is in an inclined shape with the middle area higher than the left side and the right side, and an achilles tendon space used for avoiding and containing the achilles tendon of the human body is naturally formed in the middle of the splayed protruding part. The splayed protruding part comprises a left protruding part and a right protruding part, and the upper side face of the left protruding part and the upper side face of the right protruding part are inclined transition faces which are used for guiding the heel to penetrate into the wrapping part. By means of the splayed protruding part which is uniquely designed, the heels can be rapidly guided in and stably wrapped, accidental disengagement is prevented, meanwhile, the wearing and taking-off convenience and comfort are improved, the back ankles are effectively prevented from being scratched by the waist contraction part, and remarkable progress and innovation are achieved.

An Achilles tendon repair device comprises a handle for physician gripping and base having a first set of tendon rods disposed in an arcuate or U-shaped pattern about the base to engage the posterior surface of the tendon and impart a contour, or drape, the tendon in the posterior-anterior plane to increase the surface area for suturing. A second set of suture guide rods extend from the sides of the base and are spaced apart to allow insertion of suture needles along the entire length of the suture guide rods, and at any angle. A suture needle housing guide can be slidingly attached to the suture guide rods and includes sidewalls with predefined suture holes / angles. An adjustable clamping arm can engage the tendon's posterior surface such that the device grasps the tendon on both the anterior and posterior tendon surfaces simultaneously, while increasing posterior-anterior plane surface area to facilitate suturing.

The invention discloses a composite shoe sole which comprises a supporting layer and a flexible traction piece, the supporting layer comprises a toe area, a forefoot and midfoot area and a midheel area, the forefoot and midfoot area arches downwards in the first direction, the traction piece is arranged above the forefoot and midfoot area, and the traction piece is provided with a first end and a second end which are oppositely arranged in the first direction; the first end is coupled with the front side of the front middle foot area, the second end is coupled with the rear side of the front middle foot area, so that an interval space is formed between the lower portion of the traction piece and the upper portion of the front middle foot area, and the traction piece can be reversely stretched in the pedal-off stage to apply traction force pointing to the traction piece to the middle heel area. The flexible traction piece is arranged above the front middle foot area of the supporting layer, forward traction force is applied to the middle heel area through the reverse drawing force of the traction piece, the pressure of achilles tendon and shank rear side muscle groups is relieved while the pedaling torque at the pedaling and stretching time is not changed, the pedaling-off movement performance is not affected, and excellent boosting of the half sole is kept; and the matching range of the running shoe and a runner is increased.

Embodiments of footwear, in particular, a shoe, sandal or boot, that have the unexpected benefit of reducing the pressure on the plantar surface of the foot while also reducing metabolic demand of walking while also gait speed and improving walking, running, hiking, as well as jumping, hopping, and other motion involving the ankle, lower leg and Achilles tendon, through integration of force-carrying mechanisms within footwear that manage the forces and energy associated with such motion by productively harvesting and storing energy during dorsiflexion motion and releasing and returning energy during plantar flexion and limiting range of motion that conduce towards ankle inversion and eversion. Such footwear may comprise a yoke connected to footwear at a pivot region in parallel to the axis of rotation of the ankle and a tension spring region suspended between the yoke and the posterior portion of the footwear sidewalls or sole.