51 results about "Active muscle" patented technology

A method for controlling movement using an active powered device including an actuator, joint position sensor, muscle stress sensor, and control system. The device provides primarily muscle support although it is capable of additionally providing joint support (hence the name “active muscle assistance device”). The device is designed for operation in several modes to provide either assistance or resistance to a muscle for the purpose of enhancing mobility, preventing injury, or building muscle strength. The device is designed to operate autonomously or coupled with other like device(s) to provide simultaneous assistance or resistance to multiple muscles.

The present invention relates to a method and an outfit for measuring of action of muscles of body, in which method electrical signals created by active muscles are measured with a measuring device and a response from action of muscles is given with a response device with a signal perceptible to a user. In the method in accordance with the invention electrical signals of muscles at various points of the body and / or limbs are measured with one or more measuring devices attached and connected to one or more outfits, the functioning of various muscles is monitored and the information is processed in measuring devices. In the outfit in accordance with the invention there are one or more measuring devices integrated for measuring the electrical signals created by the muscles, for monitoring the action, for processing the information, and the outfit includes a response device for giving response.

In order to provide an active muscle display unit that extracts a firing pattern of the individual motor unit without applying a load to living organisms and display the extracted motor unit, the active muscle display unit comprises multiple electrodes 1 that are arranged on a skin surface, a surface electromyogram measuring part 32 that measures a surface electromyogram on the skin surface at the multiple electrodes 1, a motor unit separating part 33 that estimates the individual motor unit constituting an active muscle based on the surface electromyogram measured by the surface electromyogram measuring part 32, a motor unit position estimating part 35 that estimates a three-dimensional position of the firing motor unit based on the motor unit estimated to be the firing motor unit by the motor unit separating part 33, and a display part 38 that displays the motor unit estimated by the motor unit position estimating part 35 in an image.

The present invention relates to a method and an outfit for measuring of action of muscles of body, in which method electrical signals created by active muscles are measured with a measuring device and a response from action of muscles is given with a response device with a signal perceptible to a user. In the method in accordance with the invention electrical signals of muscles at various points of the body and / or limbs are measured with one or more measuring devices attached and connected to one or more outfits, the functioning of various muscles is monitored and the information is processed in measuring devices. In the outfit in accordance with the invention there are one or more measuring devices integrated for measuring the electrical signals created by the muscles, for monitoring the action, for processing the information, and the outfit includes a response device for giving response.

A rotational resistance system is described herein, the system being adapted for a user so as to facilitate exercise of muscles throughout upper and lower extremities of the user's body. The system may include one or more rotational resistance devices arranged on one of a vertical planar surface or a horizontal planar surface. Each device may further include a rotatable plate thereon and internal resistance means therein for providing resistance and release of resistance against rotation of the plate. Performance of various exercise protocols by the user with the system activates selected under active muscles of the user and releases selected overactive muscles thereof to inherently effect myofascial balance therebetween.

Detects external noise using a motion sensor signal for example to increase the specificity of arrhythmia detections based on active muscle noise detection. Whenever a motion signal is present that is below or above a certain frequency, for example 5 Hz, or within a certain frequency range, for example 1 to 10 Hz, and / or above a certain amplitude, for example greater than 1 mg, or close to a known motion pattern, then the detection of fast ventricular arrhythmia is suspended. For the detection of slow arrhythmia, for example asystole or syncope, an episode is confirmed when a short lasting motion sensor signal occurs. Uses a motion sensor based signal, for example as obtained from an accelerometer on an implantable electrode lead and / or implantable device.

The invention relates to a knee joint moment estimation method based on surface myoelectricity and motion signals. The method comprises the following steps: firstly, establishing an offline knee jointmoment estimation model: establishing the knee joint moment estimation model by using sEMG of a pair of active muscles and antagonistic muscles under knee joint flexion motion, knee joint angles andknee joint angular velocities and by utilizing an LSTM network and optimizing the established model; and then carrying out online estimation on the knee joint torque signal. According to the invention, the characteristic quantity of the input model can be reduced, and the network complexity is reduced.

The invention discloses a limb muscle function evaluation device, which comprises a mechanical part, a control circuit part and upper computer software, wherein the mechanical part comprises an angle detection module, a muscle pressure measurement module and a muscle force resistance module; the angle detection module, the muscle pressure measurement module and the muscle force resistance module are controlled through the control circuit part and upper computer software, and the collected data are comprehensively analyzed, so that under the condition of three joint movement degrees, the muscle surface pressure of the active muscle and the antagonistic muscle in three states of relaxation, moderate and tension and the active resistance in two directions are measured. The limb muscle function evaluation device can be used for measuring the overall functions of muscles, including joint movement degree, muscle contraction capacity, muscle elasticity and muscle extension capacity, and has the advantages of comprehensive evaluation functions, high response speed, high adaptation degree, convenience in movement and the like.

A rotational resistance system is described herein, the system being adapted for a user so as to facilitate exercise of muscles throughout upper and lower extremities of the user's body. The system may include a pair of separate rotational resistance devices in side-by-side relation for placement of a corresponding hand or foot of a user thereon. Each device may further include a support structure, a top surface of which being a rotatable plate, the plate connected to a means for providing resistance and release of resistance thereto. Use of various exercise protocols with the system activates selected under active muscles of the user and releases selected overactive muscles.

A work platform has a top member with a surface sized to receive a user's feet thereon while standing and a bottom member coupled to the top member. The bottom member has a width and length generally equal to the width and length of the top member. The bottom member has a curved surface generally at the longitudinal center of the work platform defined at least partially by a radius of curvature of between about 100 mm and about 850 mm. The curved surface induces instability under a user standing on the top member to thereby facilitate active muscle engagement in the user's legs while standing on the work platform.

The invention provides an intelligent scoring method and system for joint movement. The method comprises the following steps: acquiring six-degree-of-freedom inertial motion data and surface electromyogram signals, and establishing a motion sequence topological structure containing a space-time reference based on a dynamic sampling strategy; secondly, decomposing inertial data into rigid body and physiological tremor components, and generating a three-dimensional biomechanical model containing joint rotation center drift, multi-plane coupling errors and trajectory curvature; secondly, constructing a time-varying mapping relation between the surface electromyogram signals and the exercise load, segmenting the signals based on phase mutation points, analyzing phase synchronism of an active muscle group and an antagonistic muscle group, and extracting a muscle cooperation mode; and finally, generating a motion feature tensor in a four-dimensional space-time coordinate system through technologies such as space-time coupling and a dynamic transfer function, analyzing an evolution mode of the motion feature tensor in real time to construct a scoring function cluster, and generating a composite scoring value. According to the technical scheme provided by the invention, the accuracy and reliability of joint movement quality evaluation are remarkably improved.

The invention discloses a test method for detecting a muscle oxygen content and evaluating exoskeleton power assistance effect based on infrared spectroscopy. The method comprises the following steps:without wearing exoskeleton equipment, adjusting exercise load, and enabling active muscle to bear load exercise; carrying out statistical processing, carrying out polynomial function fitting on parameters, and approximately acquiring a function relation between different loads and corresponding muscle oxygen contents; wearing the exoskeleton equipment, adjusting the exercise load, enabling the active muscle to bear load exercise, and enabling the exoskeleton equipment to provide power assistance; substituting the corresponding average muscle oxygen content values under different loads into the function relation to obtain a motion load sensed under exoskeleton power assistance; calculating and recording the power assistance efficiency under each stage of load; carrying out polynomial function fitting approximation on the data to obtain a function relation between different loads and corresponding power assistance efficiencies; calculating definite integral of the function relation inan interval [0, 8], and dividing the definite integral by an interval length to obtain a power assistance efficiency mean value; and analyzing the power assistance efficiency mean value to evaluate the exoskeleton power assistance effect. The exoskeleton power assistance effect is scientifically evaluated.

The invention provides a functional electrical stimulation system and method for regulating and controlling joint torque and rigidity. The functional electrical stimulation system comprises a control module for sending an intensity signal to an electrical stimulator, an electrical stimulator module for generating electrical stimulation pulse current and a data acquisition module for acquiring mechanical, myoelectric and position signals. The data acquisition module transmits mechanical and position signals to the control module, the control module establishes a mapping table of joint torque and rigidity and electrical stimulation intensity of active muscles and antagonistic muscles, and the electrical stimulation intensity of two or more muscles required for generating the joint torque and rigidity is calculated through an interpolation look-up table method. The electrical stimulator module adjusts the amplitude or the pulse width of electrical stimulation pulses according to the required stimulation intensity, so that the torque and the rigidity of the joint are regulated and controlled.

In order to provide an active muscle display unit that extracts a firing pattern of the individual motor unit without applying a load to living organisms and display the extracted motor unit, the active muscle display unit comprises multiple electrodes that are arranged on a skin surface, a surface electromyogram measuring part that measures a surface electromyogram on the skin surface at the multiple electrodes, a motor unit separating part that estimates the individual motor unit constituting an active muscle based on the surface electromyogram measured by the surface electromyogram measuring part, a motor unit position estimating part that estimates a three-dimensional position of the firing motor unit based on the motor unit estimated to be the firing motor unit by the motor unit separating part, and a display part that displays the motor unit estimated by the motor unit position estimating part in an image.

A lower limb simulating weight-bearing traction device and a work flow thereof are disclosed. The lower limb simulating weight-bearing traction device including belt, shoulder strap, Cable capstan andplantar pressure plate, one end of the shoulder strap is fixed on the waistband, The other end of the strap is fixed to the shoulder of the person, The weight scale is fixed in the middle of the upper surface of the plantar pressure plate and the cable winch is fixed in the upper middle surface of the lower surface of the plantar pressure plate, symmetrical traction cables are worn on both sidesof the plantar pressure plate, one end of the traction cables is fixed on the central axis of the cable winch and the other end of the traction cables is fixed on the clasp of the waistband. This product is suitable for most of the existing equipment in hospitals, which makes CT scanning in standing position possible, accurate, reliable and repeatable. This product is not limited to ankle, even knee joint, wide range of application. The device has the active muscle participation, can more truly reflect the standing position weight-bearing state, and the data accuracy is good.

The invention discloses a lower limb knee joint active muscle myoelectricity fitting method based on biodynamics. The method comprises the steps that intention-related myoelectricity is obtained through angle signals and a muscle fiber recruitment model; useful torque generated in the movement process is obtained through the height, the weight and the angle, and then muscle force related myoelectricity is obtained through an inverse hill muscle force model; the muscle length in the movement process is obtained through the initial resting muscle length and angle, and then muscle length related myoelectricity is obtained through a muscle shuttle feedback model; and finally, the three types of myoelectricity is fused by using strategies of configuring corresponding models at different motion stages and a least square search parameter method containing a loss function, and then the combination is fused with white noise to obtain final myoelectricity. The method has the characteristics of comprehensiveness, low error, good fitting effect, physiological significance, stable myoelectricity generated by the sub-model, conformity with the meaning of the sub-model and the like.

The invention relates to the technical field of medical rehabilitation equipment, in particular to a surgical postoperative rehabilitation nursing auxiliary device and method based on the Internet of Things, and the device comprises a bearing part, a driving part, a base, a monitoring part and a remote interaction part, the driving part comprises a first driving assembly for providing relative resistance for a using object and a second driving assembly for driving the thigh and the shank to move relatively. The method comprises the steps that in a single training period, the passive muscle activation degree and the active muscle activation degree are determined to determine the rehabilitation degree of the muscle function of a using object; according to the limb movement track and the muscle strength balance condition of the feature movement part, the movement control ability of the using object is determined, and a rehabilitation training scheme of the using object is adjusted according to the rehabilitation degree or the movement control ability. According to the invention, comprehensive monitoring and remote transmission of the rehabilitation process of the use object are realized, and the rehabilitation process can be accurately controlled by medical personnel.

The utility model discloses a remote control heating active muscle stimulator, which relates to the field of muscle stimulation equipment, and comprises a remote controller and a receiver, the receiver is composed of two stimulator units, the two stimulator units are electrically connected through a wire, each stimulator unit comprises a machine box and a sticking type heating electrode plate, and the machine box is provided with a heating electrode. A large female buckle and two small female buckles are arranged on the machine box, a large male buckle and two small male buckles are arranged on the heating electrode plate, the large male buckle and the large female buckle are electrically connected in a plug-in mode, and the heating electrode plate and the machine box are directly connected and pasted and fixed to the body part, needing to be acted, of a user. Through cooperation of the machine box and the heating electrode slice, electric pulse treatment can be conducted on an affected part, the effects of exciting neuromuscular tissue, promoting local blood circulation and easing pain can be achieved, meanwhile, the heating electrode slice can emit heat, the hot compress effect is achieved, and the ice-cold discomfort caused when the heating electrode slice makes contact with the skin is improved.

The utility model discloses an accurate muscle strength training device based on muscle strength monitoring, which comprises a training bandage, bandage fixing components are arranged at two ends of the training bandage, and a resistance applying air bag is arranged on the inner side surface of the training bandage. The device is conveniently fixed by arranging a training bandage, a first hook-and-loop fastener and a second hook-and-loop fastener, muscle strength is conveniently collected by arranging a resistance applying air bag, an air pipe, a first electromagnetic valve, a micro-control unit, a booster pump, a pressure sensor, an exhaust pipe and a second electromagnetic valve, and the muscle contraction condition is sensed; then, resistance is actively applied to related muscles, a patient is stimulated to accurately contract the related muscles, the resistance can be actively adjusted, corresponding pressure is applied to the muscles according to the active contraction muscle force, collected by a pressure sensor, of the muscles of the patient, and the muscle fiber recruitment stimulation efficiency can be improved through the dynamic pressure on the muscles; the neuromuscular coordination control capability can be quickly recovered, and the muscle force recovery is promoted.

The present invention discloses a limb muscle function assessment device, including a mechanical part, a control circuit part, and a host computer software. The mechanical part includes three parts: an angle detection module, a muscle pressure measurement module, and a muscle resistance module. The angle detection module, the muscle pressure measurement module, and the muscle resistance module are controlled by the control circuit part and the host computer software, and the collected data are comprehensively analyzed to achieve the measurement of the muscle surface pressure of the agonist and antagonist muscles in the three states of relaxation, moderate, and tension, and the active resistance in two directions under three joint activity conditions. A limb muscle function assessment device of the present invention can be used to measure the overall muscle function, including joint activity, muscle contraction ability, muscle elasticity, and muscle extension ability, and has the advantages of comprehensive evaluation function, fast response speed, high adaptability, and easy movement.

The application discloses a motion sensing jacket and a motion sensing system, wherein the motion sensing jacket comprises a jacket body and a distributed strain sensor; the jacket body is elastic; the distributed strain sensor comprises a stretchable conductor unit; the stretchable conductor unit comprises a plurality of concentrated sensing areas; the plurality of concentrated sensing areas are arranged on at least all or part of the following areas on the jacket body: an area corresponding to the latissimus dorsi muscle, an area corresponding to the trapezius muscle and an area corresponding to the biceps brachii muscle; and the concentrated sensing area is flexible so that the concentrated sensing area can generate an electrical property change following deformation of the jacket body. In the scheme, the concentrated sensing area is arranged on the area corresponding to the main active muscle on the jacket body, the activity of the corresponding part can be detected through the concentrated sensing area, and compared with optical positioning and motion capture technology and inertial motion capture technology, the concentrated sensing area has the characteristics of high precision, low cost and being not easily disturbed by the outside world.

Implantable electromedical device or loop recorders or ILRs that solve the problem of very low arrhythmia detection specificities in, i.e., high number of false positives, based on detection and analysis of external noise, specifically muscle noise surrounding the electromedical device. Embodiments generally employ active detection of lead or device movement that induces signal artifacts indicative of external noise. One or more embodiments may detect lead or device movement through use of a piezoelectric transducer, for example located proximally to the device or in the lead of the electromedical.

The embodiment of the present invention relates to a skeletal robot control method, device, exoskeleton robot and storage medium. The method includes: detecting whether the rectus femoris muscle generates an action potential; if the rectus femoris muscle generates an action potential, acquiring the The myoelectric signal of the rectus muscle within a preset time period; determine the angle to be bent of the hip joint based on the electromyography signal; control the movement of the exoskeleton of the exoskeleton robot based on the angle to be bent, and advance the action through the electromyography signal To predict the action intention corresponding to the EMG signal, assist the user to complete the lower limb movement, and improve the user experience.

The invention relates to a cervical vertebra muscle training instrument based on stable and unstable planes, the training instrument comprises an elastic band device, a hydraulic rod and a base; the hydraulic rod and the elastic band device are sequentially installed at the upper part of the base, the hydraulic rod is fixed at the upper part of the base, and the elastic band device is fixed on thehydraulic rod or is fixed on the hydraulic rod through a pedestal; a cervical vertebra instability plane training instrument and a cervical vertebra stability plane training instrument are used for alternately training cervical vertebra muscles; the training mode is divided into primary training, intermediate training, advanced training and final training, so that muscles of the cervical vertebraactivate interaction inhibition of active muscles and antagonistic muscles, the coordination between the muscles is improved, the related muscle strength is increased, the joint movement degree in the movement direction is improved, the cervical vertebra stability is enhanced, and the purpose of exercising the cervical vertebra muscle strength is achieved.

The invention relates to exercise training equipment and method for simulating active muscle contraction. The exercise training equipment comprises a control terminal; the lower limb passive movement mechanism is connected with the control terminal and used for driving the lower limbs of the patient to move passively; the neuromuscular electrical stimulation unit is connected with the control terminal and used for outputting electrical stimulation signals to lower limb muscles of the patient; the blood flow limiting unit is connected with the control terminal and used for applying adjustable pressure to the lower limbs of the patient; the control terminal is used for coordinating and controlling the operation of the lower limb passive movement mechanism, the neuromuscular electrical stimulation unit and the blood flow limiting unit so as to realize the cooperative work of the lower limb passive movement mechanism, the neuromuscular electrical stimulation unit and the blood flow limiting unit.

Modular device for active muscle strain in the neck area, characterized in that at least one resistance module is provided which generates a counteracting force when a body area is moved.