52 results about "Quadriceps femoris muscle" patented technology

The present invention comprises a user-friendly, soft and resilient, biomimetic (mimicking biological entities) lower limb support outfits that can be worn externally by people to improve and enhance lower limb, legs and knees performance in sports, daily dynamic activities and medical rehabilitation / physical therapy. More specifically, the present invention relates to an outfit, which allows a portion of the upper limb's quasi-static weight and dynamic weight due to impact forces to be excluded from being transmitted to the lower limb, legs, quadriceps and hamstrings muscles and knees by directly transmitting them to the ankles, footwear and / or the ground, through soft elastic columnar quasi-legs that are equipped with smart biomimetic materials such as shape memory materials and artificial muscles such as synthetic and / or ionic polymeric muscles and provide lower limb support function by buckling and bending in accordance with the dynamic maneuvering of the user. The said lower limb performance enhancing outfit is encapsulated by user-friendly fabric means for easy wear. The upper portion of the outfit can be in the form of a sports short worn by the user and encapsulating the buttocks support plates.

The present invention comprises a user-friendly, soft and resilient, biomimetic (mimicking biological entities) back pack weight support and mobility enhancement system that can function like a caddie and can be worn externally by people carrying a back pack to improve and enhance shoulder, back, upper body, abdomen, waist, hips, lower limb, legs, knees, calves, quadriceps and hamstrings muscles performance in all dynamic activities while carrying a back pack. The present invention can comprise an outfit, allowing a portion of the back pack's weight to be excluded from being transmitted to the shoulder, back, upper body, abdomen, waist, hips, lower limb, legs, knees, calves, quadriceps and hamstrings muscles; instead directly transmitting the weight to the footwear and / or the ground, through soft elastic columnar quasi-legs equipped with smart biomimetic materials such as shape memory materials and artificial muscles such as synthetic and / or ionic polymeric muscles and provide support function by buckling and bending in accordance with the dynamic maneuvering of the user. The outfit can be encapsulated by user-friendly fabric means for easy wear. The upper portion of the outfit can be in the form of a pouch equipped with fastening portions to be attached to the bottom of the back pack worn by the user while the lower portion of the outfit can be attached to the footwear while transmitting the weight of the back pack to the ground or attached to a ball and socket wheel on the ground right behind the user.

A hand held weight lifting device with a finger grip system attached to a resistance mechanism that is visually located in the middle of the handle and is designed to target the hands, wrist and forearms. The handles may be removed allowing a person to perform all dumbell related exercises. When using a collar, that safely and securely stabilizes the weights in a stationary form, the device can transform from solo or single status, to a dual, unilateral exercise experience. The device can be adjusted from 10″ to 20″ depending on the type of exercise required. The device, coupled with ankle straps and shin pads, provides a person the ability to perform lower body exercises targeting the hamstrings (rear thighs), quadriceps (thighs), lower abs (leg raises) and calfs. In regards to the upper body, the handles provide a comfort grip while performing exercises targeting all major muscles associated with the torso as well as biceps (arms) and trapezius (shoulders). This device is equipped with a resistance bar. When attached to both handles and the handles are squeezed together, it in turn targets the pectoral (chest) muscle.

The invention relates to the technical field of rehabilitation equipment, in particular to joint rehabilitation exercise equipment for the orthopedics department. The joint rehabilitation exercise equipment comprises a bed plate and lower limb rehabilitation mechanisms; two brackets are symmetrically and fixedly mounted on the left side and the right side of the bed plate correspondingly, and thetwo lower limb rehabilitation mechanisms are symmetrically arranged on the front side and the rear side of the bed surface of the bed plate and arranged on a bottom plate; a rack is vertically mountedon the position, on the right sides of the lower limb rehabilitation mechanisms, of the bottom plate, a winding roller is rotatably mounted on the position, on the right sides of the lower limb rehabilitation mechanisms, of the bottom plate, a pulling rope is wound around the winding roller, a guiding roller is rotatably mounted at the top of the rack, the pulling rope penetrates through the guiding roller to be fixedly connected with the lower limb rehabilitation mechanisms, and the lower limb rehabilitation mechanisms are slidably connected with the rack. According to the joint rehabilitation exercise equipment, assisting exercise is conducted on knee joints of a patient, quadriceps femoris on the upper parts of the knees is enhanced, muscle supporting force during standing, running andbending-extending is increased, the pressure of cartilage of the knee joints, fat pads and ligaments is relieved, and various inflammations in the knee joints and around the knee joints are finally eliminated.

A device for exercising leg muscles, ligaments, and tendons attendant to movement of a human knee following knee replacement surgery or during rehabilitation following knee injury is provided. The user lies supine on a flat surface and braces the back of his or her upper thigh against the device's leg support bar, so that the user's upper thigh is approximately perpendicular to the user's upper torso. The patient maintains this position and exercises the knee by extending and flexing his or her lower leg. Some embodiments include an elastic band that attaches to the device in a position that limits the degree of leg flexion to within a desired range. Some embodiments include an ankle strap attached to a cord, which may be used to build quadriceps strength through application of resistance, and / or for applying downward pulling force to the lower leg during passive range-of-motion exercising.

This squat exercise machine is comprised of a dynamic seat connected to a dynamic foot-plate where the weights are used to counter the weight of the exerciser and thereby assist him to raise himself from a squatting position to a starting sitting position. The squat exercise machine exercises the thigh muscles otherwise known as the quadriceps and the buttock muscles otherwise known as the gluteus group of muscles. At least one adjustable hand bar is positioned to aid entry to and exit from the machine and at least one handle to help to stabilize the user while exercising.A method for using the assisted squat exerciser is comprised of sitting on the dynamic seat, and with the aid of gravity, allowing the body to lower towards the floor whereupon the legs will be in a squatting position. With the aid of the weights, the thigh and gluteus muscles lift the seated body to its starting sitting position.

The invention discloses a leg muscle trainer. The leg muscle trainer comprises three parts, including a leg placing frame part, a power damping cylinder part and a base part, wherein the leg placing frame part is rotatably connected onto the base part; the power damping cylinder part is mounted in the base part and is connected with the leg placing frame part; the leg placing frame part is matched with the power damping cylinder part; and the power damping cylinder part provides power to the leg placing frame part. The leg muscle trainer disclosed by the invention can be used for recovery training of gynecologic patients and can also be used for rehabilitation training of leg muscles of patients with leg muscle weakness and atrophy, caused by various types of diseases, and training of quadriceps femoris muscle of people who cannot do knee joint motion; and the leg muscle trainer has a rapid rehabilitation effect, does not need to consume physical strength of doctors, is suitable for early-period rehabilitation training and moving tendency of a human body, and has a good comfort feeling.

The invention discloses a quadriceps femoris rehabilitation training bed, and relates to the field of medical devices. The quadriceps femoris rehabilitation training bed includes a bed body, two flexion and extension mechanisms, two foot posture adjustment mechanisms, two guideways, two driving mechanisms and a controller. Each flexion and extension mechanism comprises a thigh support component and a crus support component, wherein one end of the thigh support component is articulated with a fixed support base connected with the bed body, the other end of the thigh support component is articulated with the end of the crus support component, the lower portion of the other end of the crus support component is articulated with a slider, and each slider can slide on the corresponding guide rail. The ends, away from the thigh support components, of the crus support components are provided with the foot posture adjustment mechanisms, and the ends, away from the crus support components, of the thigh support components are connected with the driving mechanisms which can drive the thigh support components to do reciprocating motion up and down, and the driving mechanisms are controlled by the controller. Through the combination of the quadriceps femoris rehabilitation training bed and active and passive rehabilitation strategies, quadriceps strength regeneration is effectively stimulated, the required driving force is reduced, and the flexibility of use is improved.

The invention provides a human body body hip modeling and simulation method based on muscle groups, and relates to the human body hip modeling and simulation method based on the muscle groups. The object of the method is to solve the problem that existing human hip models cannot take into account refined human body structures and finite element simulation implementing, and the human body hip modeling and simulation method based on the muscle groups is provided. The method comprises the steps of first, acquiring human hip image data; second, conducting geometric modeling on human hip, which includes geometric three-dimensional reconstruction of hip bone (cortical bone and cancellous bone), thigh bone (cortical bone and cancellous bone), articular cartilage, sartorius muscle, musculi quadriceps femoris, biceps femoris, semitendinosus, semimembranosus, gracilis, phalanges, long adductors, short adductors, adductor muscles, gluteus maximus, gluteus medius, gluteus maximus and entire hip; third, establishing muscle group models, conducting model assembly on the hip bone, the thigh bone, the articular cartilage, the muscle groups and the whole hip, establishing a fat and skin model, andadding tendon; fourth, determining meshing parameters, determining inter-tissue contact relationship, and implementing the meshing of the geometric models; fifth, attaching materials to the structureof each part of the human hip model, and determining the material parameters; sixth, achieving mechanical simulation of the human hip model. The method is used in the field of biomedical engineering.

The invention relates to a knee joint dynamic simulation device. The device comprises a hip joint simulation module, a thigh simulation module and a foot fixation module; the hip joint simulation module comprises a weight simulation block, a hip joint vertical sliding pair and a hip joint rotating pair, and is used for simulating the change of the center of gravity of squatting of a human body andhip joint movement; the thigh simulation model comprises a simulated bone plate, a quadriceps femoris connecting part and hamstring muscle connecting part, fixes specimen leg thighbone and is connected with tendons pulling the quadriceps femoris and the hamstring muscle, and is used for simulating the action of the thigh muscle in the squatting process; the foot fixation module is used for fixingthe foot of the specimen leg. By means of the weight simulation block, the device can move under the action of the gravity to bend the knee joint of the specimen leg to reproduce the movement state of the knee joint of the specimen leg, and dynamic simulation of the knee joint is completed.

The present invention provides a leg rehabilitation exercise apparatus, which includes: a base; a seat arranged on the base; a leg exercise frame arranged on the base; an upper rotation-supporting member arranged on the leg exercise frame; a lower rotation-supporting member arranged on the leg exercise frame; a reciprocating motion section including a left lifting / lowering motion section, a right lifting / lowering motion section, an upper connection section, and a lower connection section; a left lifting / lowering member arranged on the left lifting / lowering motion section; and a right lifting / lowering member arranged on the right lifting / lowering motion section. The left lifting / lowering motion section and the right lifting / lowering motion section are operable to do lifting / lowering motions in opposite directions. The leg rehabilitation exercise apparatus of the present invention achieves an effective result of training quadriceps muscles of thighs and shanks and is also an operation safe device.

The invention discloses a muscle force measuring platform which comprisies a base which is horizontally arranged, wherein the base is vertically provided with an upright and a seat which can regulate height and longitudinal position, the left side and the right side of the seat are respectively provided with a bottom part used for being fixed on handrail on the base, the rear part of the seat is provided with a back rest which can regulate angle in a stepless way, the top of the upright is provided with a control panel with induction, processing, displaying and printing functions, and the upright and the base are internally provided with a force measuring mechanism connected with the control panel. A conner sits and lies on the seat, the force measuring mechanism can accurately test muscle groups of a human body such as gluteus maximus, triceps surae muscle, tibialis anterior, musculus biceps brachii, musculus triceps brachii, brawn, back muscle, quadriceps femoris muscle, pectoralis major muscle, latissimus dorsi muscle, abdominal muscle and the like, data can be recorded and processed in real time by virtue of an inductor of the control panel and a computer, and the test result can be displayed and printed out.

The invention discloses an improvement of ant-rotating shoes. Two side wing plates of each anti-rotating shoe and the sole are combined into together, therefore, the stability is increased, and the unsoundness of the traditional heel nailed by wood plates is avoided. The soft upper and the hollow shoe insole can avoid the part in contact with feet generating sore, increase the comfort, and have the heat insulation function. The toes can not be covered by the upper and can expose out of the upper, thereby being convenient to observe the blood circulation of the toes. The overlapping length of the left upper and the right upper can be freely adjusted according to the size and fatness of the feet, therefore, the upper and the foot surface can be meshed. The invention has wide application, can be applied to patients with fracture accompanied by neurologic damage, patients in ankle joint fracture recovery period, paraplegics, patients in long-term sickbed, patients before and after artificial hip joint operation, and comas, can prevent foot drop, foot internal rotation and foot external rotation, has no influence on the sufficient motion of quadriceps femoris or ankle joint, prevent joint stiffness and muscular dystrophy, and performs active function on increasing the muscle force.

The invention discloses rehabilitation training equipment for medical postoperative care. The rehabilitation training equipment comprises a rehabilitation bed, wherein bottom peripheries of the rehabilitation bed are all fixedly connected with landing legs, bottoms of the landing legs are fixedly connected with support legs, one side of the rehabilitation bed is fixedly connected with a control panel, one end of the top of the rehabilitation bed is provided with a supporting mechanism, and a handle mechanism which is located above the control panel is arranged at the top of the rehabilitationbed. The rehabilitation training equipment has the beneficial effects that through the supporting mechanism, a sufferer can conveniently adjust an angle of an upper part of a body while lying on the rehabilitation bed, so that the degree of comfort of the sufferer during training is increased, and meanwhile, muscles of thighs of the sufferer can more easily exert force; through the handle mechanism, the sufferer can better leverage and exert force during training; through a training mechanism, the sufferer can conveniently carry out rehabilitation training on muscles of a lower part of the body, particularly musculi quadriceps femoris and musculi glutaeus maximus; and through matching between a limiting block and a snapping block, the sufferer can better lock a sliding plate at any time during force removing, and potential safety hazards are reduced.

The invention relates to a force measuring seat for leg muscles, and belongs to the technical field of medical devices. The force measuring seat includes a seat body and a pedalling force measuring device; the pedalling force measuring device includes two pedalling force measuring assemblies; two pedalling force measuring assemblies are fixed on the seat body side by side. Each pedalling force measuring assembly includes a support part, a dynamometer and a pedal plate; the support parts are fixed with chair legs of the seat body; the dynamometers are inclinedly arranged on the support parts; the pedal plates are fixed with the movable ends of the dynamometers and used for cooperating with feet. The force measuring seat is mainly used for measuring the aging degree of leg muscles of the elderly. A tested person sits on the seat body, feet pedal on the pedal plates, and the pedal plates push the movable ends of the dynamometers to move, so that the dynamometers can accurately measure thevalue of the pedalling force, and then quantitatively study quadriceps femoris and other muscles. The measurement method is simple and convenient, the measurement results are intuitive, the aging degree of the leg muscles of the elderly is judged according to the measurement results, and the basis is provided for the follow-up research or treatment.

The invention discloses a quadruped bionic system based on the pneumatic muscle. The bionic system uses the pneumatic muscle to simulate the muscle of a quadruped to drive the neck, fore legs, thoracic joint, lumbar joint and hind legs to move, particularly simulate the pneumatic muscle having the actions of the sternocephalicus muscle, brachiocephalic muscle, musculi splenius, superficialis chestmuscle, arm triceps muscle, wrist radial extensor muscle, wrist oblique extensor muscle, wrist ulnar lateral flexor muscle, wrist radial flexor muscle and the like to drive the neck and the fore legsto flex, fold, unfold and rotate, simulate the posterior serratus muscle and the latissimus dorsi muscle to drive the thoracic joint to do lateral bending, pitching and circular rotation motions, simulate the internal oblique muscle and the medius arm muscle to drive the lumbar joint to do lateral bending, pitching and circular rotation motions, and simulate the pneumatic muscle having the actions of tensor fascia lata, quadriceps femoris, semitendinosus, tibialis anterior, peroneal longus, gastrocnemius and the like to drive the hind legs to flex, fold and unfold. According to the quadrupedbionic system based on the pneumatic muscle, the pneumatic muscle is used for driving, the quadruped bionic system based on the pneumatic muscle has the beneficial effects of being compact in structure, clean and good in explosion-proof performance and can be used for teaching and demonstration.

In the method of performing a modified intervastus approach in total knee arthroplasty procedures, a straight incision is initially made in a patient's knee. The incision is located medial to a midline of the patient's knee, in line with the medial border of the tibial tubercle distally extending proximal to the patient's patella. Fascia overlying a lateral edge of the patient's vastus medialis is then incised at a point where the patient's vastus medialis meets the patient's quadriceps tendon. The patient's vastus medialis is separated from the patient's quadriceps tendon and the patient's vastus medialis is elevated off of an underlying capsule. The underlying capsule is incised from a cephalad end to a caudal end thereof, extending medial to the patient's patella.

The invention relates to equipment for judging falling down of old people. The equipment comprises an electroencephalogram sensor, a myoelectricity sensor, a gyroscope and a pressure sensor which are connected with a central control chip, the electroencephalogram sensor is used for receiving electroencephalogram signals of a user, the myoelectricity sensor is used for receiving surface myoelectricity signals of upper humerus and quadriceps femoris muscles of the user, and the pressure sensor is used for receiving pressure signals of the outer sides of arms and thighs of the user; the central control chip is used for receiving and processing signals of the electroencephalogram sensor, the myoelectricity sensor and the pressure sensor and judging whether the user falls down or not. According to the equipment and the method, multiple sensors can be combined with multiple data for analysis, and the situation that a user tends to fall down but stands stably or falls down due to misjudgment is avoided.

The invention discloses an anatomical patellofemoral joint prosthesis which comprises a thighbone part, a fibula part is connected to the thighbone part, a tibia part is connected to one side of the fibula part, a patella part is installed on the thighbone part, and an installation assembly is arranged on the outer wall of the thighbone part. The mounting assembly comprises threaded fastening grooves formed in the inner walls of the two sides of the thighbone part, threaded fastening rods in threaded connection with the threaded fastening grooves and limiting mounting plates fixed to the outer walls of the threaded fastening rods, and the upper end and the lower end of the patella part are connected with quadriceps femoris and patella tendons correspondingly; according to the patella prosthesis, the installation assembly is arranged and comprises the threaded fastening groove, the threaded fastening rod, the limiting installation plates, the closing plate and the groove, the installed patella can be placed correctly through the pushing-in direction formed by the two sets of limiting installation plates, and the patella prosthesis is not prone to being abraded.

The invention relates to a physical exercise equipment, in particular to a physical exercise equipment for quadriceps training. The technical problem of the present invention is to provide a physical exercise for quadriceps femoris training that can independently adjust the exercise intensity, provide a buffer for the falling of the counterweight, automatically remove the limit bar for exercise, further lock the limit bar and easily unlock it. equipment. A kind of physical training equipment for quadriceps femoris training, comprising: a base plate, a first cushion block connected to the upper side of the base plate; a first support frame, a first support frame connected to the upper side of the first cushion block; a support mechanism, A support mechanism is provided on the upper part of the first support frame; an exercise mechanism is provided with an exercise mechanism on the support mechanism. The present invention pushes the fifth support frame to move downward through the third support frame and the counterweight, and the first spring is compressed, so as to provide buffering effect for the third support frame and the counterweight to fall downward, avoiding parts damage.

The invention relates to the technical field of medical treatment, and discloses a progressive increase type resistance sports apparatus in dialysis. The sports apparatus comprises a bottom plate, andthe upper side surface of the bottom plate is fixedly connected with a fixed plate. According to the progressive increase type resistance sports apparatus in dialysis, a balancing weight with the proper weight is pulled upwards through a bottom plate, a fixed plate, a middle binding belt, two first bearing ropes, two middle limiting rings, two middle guide grooves, two upper connecting shafts, two lower connecting shafts, two upper guide wheels, and two lower guide wheels; two connecting columns and two clamping rods enable the balancing weight with the proper weight to be pulled upwards, sothat the quadriceps femoris muscle and the lumbar iliac muscle of the user can be exercised; therefore, the invention solves the problems that no resistance exercise instrument used for dialysis treatment of a maintainable hemodialysis patient exists at present, and then absolute braking of the upper limb of the internal arteriovenous fistula side of the maintainable hemodialysis patient in the treatment process is achieved; and diversified resistance training is provided for the lower limbs to improve the fitness of the muscles of the lower limbs, so most patients needing to be exercised do not have proper exercising equipment for convenient use at present.

The invention relates to a joint motion estimation method based on an EMG model and an unscented Kalman filter. Firstly, the biceps femoris, quadriceps femoris, vastus lateralis, vastus medialis, half The EMG signals and real-time angles of the tendon and gracilis muscles are processed by band-pass filtering, and the wavelet coefficients and root mean square features are extracted, and then a method that combines muscle dynamics, joint dynamics, bone dynamics and The state-space myoelectric model of relevant myoelectric features, through the unscented Kalman filter algorithm, obtains the Sigma sampling set χ i and weight W i , and then make further predictions, calculate the system state variables and covariance matrix P(k+1|k), and realize the estimation of the continuous motion of the knee joint after an iterative cycle. Compared with the traditional angle estimation method, this method reduces the influence of system error, cumulative error and external interference, has high precision, good stability, and quick response to target maneuvering, which has been significantly improved.

The invention discloses a massage chair with the fitness and power generation functions, which comprises a massage chair body, a massage chair backrest cavity with an upward opening is formed in the right side in the massage chair body, a massage chair backrest rotating shaft is rotatably connected between the front wall and the rear wall of the massage chair backrest cavity, and a massage chair backrest is fixedly arranged on the outer circle face of the massage chair backrest rotating shaft in a sleeving mode; the upper end face of the massage chair backrest extends to the upper side of the upper end face of the massage chair, armrest connecting rods which are symmetrical front and back are fixedly arranged in the center of the upper end face of the massage chair, sliding devices are arranged on the upper sides of the front armrest connecting rod and the rear armrest connecting rod, and the sliding devices can control the massage chair backrest to rotate. By means of the device, a user is assisted in massaging. Meanwhile, quadriceps femoris muscles of the user are exercised by manually changing the number of the balancing weights. Meanwhile, mechanical energy generated when the user exercises can be collected and converted through the device, the massaging device is charged with the mechanical energy, and energy is saved.