41 results about "Ankle motion" patented technology

The present invention relates to a foot and ankle exercise device. The exercise device may include a foot strap, a pull strap, a handle, and a resistance band. The foot strap may be adjustable to secure the device to a user's foot. The pull strap may have a first end attached to the foot strap. The handle may be disposed on a second end of the pull strap and may be configured to allow the user to apply tension to the pull strap. The resistance band may be disposed on the pull strap between the first end and the second end of the pull strap.

Devices and methods for preventing ankle sprain injuries. To protect the ankle joint from acute ankle supination or inversion sprain injuries, the device comprises a sensing part configured to sense data of an ankle motion; an analyzing part configured to analyze the data to judge whether the motion is a sprain motion; and a stimulating part configured to stimulate one or more lower limb muscles against the motion in light of a result of the analyzing. The method also involves sensing data of an ankle motion; analyzing the data to judge whether the motion is a sprain motion; and stimulating one or more lower limb muscles against the motion if the motion is a sprain motion.

The invention discloses a flexible ankle rehabilitation robot system. An execution module is connected with a foot module through a Bowden cable and a shank module, and a tension module for measuringtransmission force of the Bowden cable is arranged between the shank module and the foot module; a shank gyroscope is arranged on the shank module, a foot gyroscope and a pressure insole are arrangedon the foot module, a heel pressure sensor and a foot sole pressure sensor are arranged on the pressure insole, and the shank gyroscope and the foot gyroscope are arranged on the front face and the foot face of the shank of a user correspondingly; the pressure insole is located inside the foot module, sends a control instruction towards the execution module through an upper computer and receives sensing feedback information; the execution module transmits torque through the Bowden cable and the shank module to the foot module, so that ankle movement is assisted; and the shank gyroscope and thefoot gyroscope are mutually matched for detecting ankle motion information. The flexible ankle rehabilitation robot system is low in weight and achieves the gait training function for users with abnormal gaits of foot drop and strephenopodia.

The invention discloses a tandem experiment facility with five degrees of freedom for simulating ankle gaits. The tandem experiment facility comprises a general framework, a tibial shaft, a cadaver ankle tibia insertion rod, a frontward and backward movement mechanism and control system, a sagittal-plane-within rotation mechanism and control system, a coronal-plane-within rotation mechanism and control system, a level-within rotation mechanism and control system, a vertical movement mechanism and control system, a tibia loading mechanism and control system, and a muscle loading mechanism and control system. The tandem experiment facility can simulate kinematics actions in the stance phase of the ankle giants within 3 seconds to 5 seconds, can simulate dynamics in the stance phase of the ankle giants, and can collect ankle kinematics and dynamics data to obtain complete, comprehensive and effective data of original experiments on kinematics and dynamics in the stance phase of the ankle gaits, thereby providing a dynamics experiment and theoretical research platform for discussions of clinical ankle motion system disease mechanism, scientific verification of operative plans, researches of ankle motion injury and protection, development of bionic ankle systems, and the like.

The invention discloses a robot crus structure capable of imitating human body ankle motions by utilizing pull rods. The robot crus structure capable of imitating human body ankle motions by utilizing the pull rods comprises a supporting frame, a foot plate, a framework, an inner shaft rod and the two rear pull rods, wherein the supporting frame is arranged under knees of a robot and is adjacent to the positions of two driving modules, two first pivot joint portions are arranged at the top of the supporting frame, the foot plate is arranged at the bottom of the supporting frame, the framework is positioned between the two first pivot joint portions, outer shaft rods are respectively arranged at two corresponding sides of the framework, each outer shaft rod is in pivot joint with each first pivot joint portion and penetrates through each first pivot joint portion to be connected with each driving module, the inner shaft rod penetrates through the other two corresponding sides, a connection rod is arranged at one end of the inner shaft rod, two ends of each rear pull rod are respectively connected with the connection rod and the foot plate, when the outer shaft rods and the inner shaft rod are respectively driven to move, the framework and the connection rod respectively swing back and forth, and side to side, and the pull rods are similar to crus muscles of a human body and control the foot plate to make various ankle motions.

A device and a method to prevent ankle sprain injuries, which are able to detect hazardous situations during malpractice of physical or regular activity and to avoid incidents by deploying an inflatable airbag to block and stabilize the user's ankle joint. A series of sensors monitor the user's ankle motion pattern and provide data to an analyzing part, which indicates whether the movement is hazardous and, upon danger recognition, triggers the inflation of an airbag device to block the user's ankle.

An exercise device for exercising the lower legs of airline passengers. The device includes a support structure, and a foot platform that is movably mounted to the support structure. A motor is interconnected with the foot platform by a crank arrangement to provide powered reciprocation of the foot platform. The exercise device has a low profile, enabling the exercise device to fit under an airline seat. Elastic straps or other suitable restraints are provided on the moving foot platform to hold a passenger's feet in place. The ankle motion resulting from the reciprocation of the foot support stretches and/or relaxes the lower leg muscles to alleviate blood stasis of the lower leg.

The invention belongs to the technical field of signal identification, particularly relates to a Parkinson's disease patient dyskinesia quantification and identification method based on a support vector machine, and aims to solve the problem that Parkinson's disease patient dyskinesia quantification and identification cannot be accurately realized in the prior art. The method comprises the following steps: acquiring wrist motion signals and ankle motion signals of a tested object and a healthy person; carrying out resampling and signal synthesis on the signals; extracting a walking interval through a sliding window; extracting the gait features of the measured object and the healthy person respectively; normalizing the gait features and classifying the gait features through a trained support vector machine; calculating Pr values, wherein the intervals Pr is greater than 0.9, Pr is less than 0.9 and greater than or equal to 0.6, Pr is less than 0.6 and greater than or equal to 0.5 and Pr is less than 0.5, which corresponds to a severe Parkinson's disease patient, a moderate Parkinson's disease patient, a mild Parkinson's disease patient and a non-Parkinson's disease patient respectively. The Parkinson's disease patient dyskinesia quantification and identification method is high in accuracy, high in precision, small in occupied resource, suitable for remote medical treatment, lowin cost and high in efficiency.

The invention discloses an ankle joint rehabilitation training device, including a drive unit, a linkage mechanism, a pedal unit, a fixing unit and a controller, wherein at the time of use, the sole of the foot of the patient steps on the pedal unit, and the fixing unit is used to adjust and fix the position while the patient adjusts proper posture; after the power supply is turned on, the controller is used to start the device, and then the motor starts to work to drive the lead screw to start to run, the lead screw drives the guide block, the external thread on the lead screw and the internal thread in the guide block cooperate with each other, the guide block moves forward and backward to drive the connecting rod mechanism connected with it; and at the same time, the pedal device arranged on the connecting rod mechanism can swing backward and backward. The invention has the advantages of simple structure, convenient use and portability, and can be used for treating patients with different injury degrees of ankle joints, can control ankle movement strength and angle, can prevent patients with long-term bed rest from foot droop and muscle atrophy, and has good therapeutic effect,fast recovery time and strong practicability, and can reduce the workload of nurses and family members.

The invention discloses a vehicle-mounted brake device for an automobile rear impact test, which mainly comprises an electric control device, a pneumatic device and a mechanical connection device. Theelectric control device comprises a controller; the controller is electrically connected with a valve control module, a test trigger interface, a reset button, a trigger switch and a delay module; the test trigger interface is externally connected to the trigger switch; and the trigger switch is attached to the most protruding part of the rear impact surface of an impacted vehicle. The pneumaticdevice comprises a gas cylinder, a pipeline and a leg type device, the gas cylinder is connected with the leg type device through the pipeline, the valve control module is arranged on the pipeline, and the leg type device is a cylinder and piston rod assembly; the mechanical connection device is used to connect the leg type device to a seat and simulate knee and ankle motions. The vehicle-mountedbrake device has the advantages of simple structure, convenient installation, stable and reliable braking effect, and installation and use are not limited by the vehicle type.

A lower leg guard device is disclosed allowing a full range of ankle motion, while at the same time preventing impact injuries to the lower leg, including the Achilles area, the ankle, and the shin. The lower leg guard device includes two substantially rigid exterior shells each with a cushioned interior liner. The lower leg guard device can be securely attached to the lower leg with one or more attachment straps, and with at least one floating attachment pad that attaches to the wearer's footwear. A floating attachment pad can be positioned over both the inner side and outer side of the ankle, preferably attached to footwear that covers the ankle. The floating attachment pads are attached to the footwear using removable fasteners, located on the exterior surface of the footwear worn by the wearer, so that the guard device can be quickly and easily put on and removed.

The invention relates to the field of medical instruments, and discloses a monitoring device for ankle pump movement. The mounting device comprises: an ankle sleeve used for being arranged outside theankle of a patient in a sleeving mode; toe sleeves used for being arranged on toes of the patient in a sleeving mode; an elastic rope, wherein the first end of the elastic rope is arranged at the front end of the outer side of the ankle sleeve, and the second end of the elastic rope is arranged at the upper end of the outer side of the toe sleeves, and when the patient plantar flexion occurs, theelastic rope is stretched and pressed against the instep of the patient; a foot sleeve used for sleeving one foot of the patient and positioned between the two ends of the elastic rope; a detection unit arranged on the upper portion of the outer side of the foot sleeve, located under the elastic rope and used for detecting whether the upper portion of the foot sleeve has no pressure for a long time and outputting detection signals; a control unit used for receiving the detection signals and outputting a control signal in a delayed manner; and a wireless communication module connected with thecontrol unit and used for sending the control signal to a monitoring terminal of a medical worker. Compared with the prior art, the monitoring device is convenient for medical staff to monitor the ankle movement of a patient.

Relating to the technical field of wheelchairs, the invention discloses artificial intelligence exercise auxiliary equipment. The equipment includes a seat cushion, a bracket is fixedly connected under the cushion to support the whole equipment, bearing plates are movably connected to lateral sides of the seat cushion, through use of hook and loop fasteners can achieve fixation of feet, the ankleexercise can be more stable, thus avoiding incomplete training caused by loosening in the training process, through the cooperative use of swing rods and the bearing plates, legs can be trained in theexercise process, and the up-and-down movement of shanks drives the knees to do training synchronously, thus increasing the functions of the whole equipment, the cooperative use of movable plates andpedals can drive foot sole to automatically swing up and down, thus reaching the purpose of automatic ankle training, and the use of special-shaped wheels enables the equipment to climb stairs, therefore the whole equipment is more intelligent.

The invention discloses a mechanical supporting device and method for preventing ankle movement sprain. The device comprises an air bag body, a fixing accessory and an air bag stress unloading control unit, and the fixing accessory is connected with the air bag body and used for fixing the air bag body to the ankle of a sporter. The fixing accessory part comprises a belt body, a belt female buckle and a belt hole; the air bag body part comprises an air bag, an air nozzle, a toe end supporting claw, a heel supporting claw, a semi-closed partition wall, anti-skid particles, a belt sub-buckle and a belt bolt; and the air bag stress unloading control unit comprises a male thread ventilation hole channel, a female thread inner wall, a low-permeability porous medium valve plate, a valve seat, a ball valve, a connecting rod, a bearing plate, a telescopic bag, a telescopic bag seat clamp, an inflation chamber, a shell and a through hole. By means of the ankle protection device, stable mechanical support and protection can be provided for the ankles when a sporter takes off and falls to the ground, and the ankles are prevented from being injured.

The invention provides a 3D printing shoe inner metatarsal bone fracture fixing protection tool which comprises a protection tool body used for wrapping the foot of a patient. The protection tool main body comprises an ankle joint fixed part corresponding to the position of an ankle joint; the metatarsal bone fixed part corresponds to the inboard position of the foot including the metatarsal bone and the phalanx; the metatarsal bone opposite side surrounding part corresponds to the foot outer side position containing the metatarsal bone; the foot sole part corresponds to the foot arch position of the foot sole; detachable fixing pieces are arranged on the front surfaces of the metatarsal bone fixed part and the metatarsal bone opposite side surrounding part. 3D printing personalized design and manufacturing are combined, and foot geometric contours and ergonomic design of a patient can be better met; in order to avoid the full limitation of gypsum, on the premise that the metatarsal bone fracture position is fixed and the ankle movement is limited, the movement is ensured as much as possible; the design mode that the brace can be placed in a shoe is adopted, fixed parts are used for fixing, the brace is convenient to wear due to the opening structure, and a patient can adjust the brace according to actual living conditions.