281 results about "Muscle force" patented technology

In a thin-type gear motor and a muscle force assisting device that uses the thin-type gear motor in which high torque output is achieved, thinness and size and weight reduction are achieved, and further size reduction is achieved by an absolute sensor that is capable of detecting a rotation angle of an output shaft after speed reduction and is situated in a space that is conventionally not used.

A method and system are provided for the visual display of anatomical forces, that system having: a motion capture system; a computer, receiving data from said motion capture system; and a computational pipeline disposed on said computer; that computational pipeline being configured to calculate muscle forces and joint torques in real time and visually display those forces and torques.

A system, method, and computer program product for providing a user with a virtual environment in which the user can perform guided activities and receive feedback are described. The user is provided with guidance to perform certain movements. The user's movements are captured in an image stream. The image stream is analyzed to estimate the user's movements, which is tracked by a user-specific human model. Biomechanical quantities such as center of pressure and muscle forces are calculated based on the tracked movements. Feedback such as the biomechanical quantities and differences between the guided movements and the captured actual movements are provided to the user.

A method and system are provided for the visual display of anatomical forces, that system having: a motion capture system; a computer, receiving data from said motion capture system; and a computational pipeline disposed on said computer; that computational pipeline being configured to calculate muscle forces and joint torques in real time and visually display those forces and torques.

The invention relates to hand function rehabilitation training equipment based on a spontaneous movement imagery electroencephalograph. Hardware of the instrument consists of an electroencephalograph signal acquisition and processing module, a hand force signal real-time detection sensor array, a control module based on multisource information fusion and a rehabilitation manipulator module, and software for supporting the active rehabilitation training of hand functions is arranged in a computer. The rehabilitation training equipment provides external compensation assistance or resistance hierarchically by taking movement imagery electroencephalographs of patients who suffer from cerebral injury as a starting signal and the muscle force of hands as a feedback signal in a self-adaptive mode according to the myasthenia state of the patients to assist patients who suffer from dyskinesia in performing passive, assisted and active rehabilitation training, displays the state information of the hand movement functions and the provided external power information for doctors and the patients and provides an objective and quantitative assessment method and an index for clinical rehabilitation diagnosis and treatment. The instrument is easy to use, has a friendly interface and is accepted by the doctors and the patients easily. A user can operate a system of the instrument without programming experiences, and the operating environment is not complex.

A novel system and method for restoring functional movement of a paralyzed limb(s) or a prosthetic device. Stimulating one or more muscles of a patient using an implanted neuromuscular implants and sensing the response of the stimulated muscle by the implants, wherein the sensing the response is not limited to data related to patient's movement intention, the posture, muscle extension, M-Wave and EMG. A communication and control protocol to operate the system safely and efficiently, use of forward and reverse telemetry channels having a limited bandwidth capacity, and minimizing the adverse consequences caused by errors in data transmission and intermittent loss of power to the implants. Adjusting stimulation rates and phases of the stimulator in order to achieve an efficient control of muscle force while minimizing fatigue and therefore providing for smooth movements and dynamic increase of the strength in patient's muscle contraction.

The invention discloses data gloves for function rehabilitation training and assessment of hands. Each data glove further comprises bent sensor groups which are arranged on the hand back side inside the each data glove in a packaged mode and flexible pressure sensor groups which are arranged on the palm side inside each data glove. The bent sensor groups are placed on finger joints, the pressure sensor groups are placed on the a plurality of key nodes where a hand is in contact with an object when the object is grabbed, and lead-out lines of the bent sensor groups and lead-out lines of the pressure sensor groups are packaged inside each data glove, collected to the outer side of a forearm via the hand back side, and connected with a subsequent hardware processing circuit. The data gloves for the function rehabilitation training and the assessment of the hands are strong in wearability and capable of collecting finger bending angle information and palm pressure information of the hands of a patient, the finger bending angle information and the palm pressure information are used in the hand function rehabilitation training under a virtual environment, and quantitative assessment results of a muscle force range from no joint movement to movement capable of resisting normal resistance can be given.

Methods and apparatus based on vibromyography technology are provided that overcome the substantial limitations of current VMG muscle assessment approaches. Specifically, embodiments of the invention provide a means by which clinicians and trainers can perform real-time muscle assessment during typical functional activities (activities involving substantial human movements). In some embodiments, the invention allows the artisan to simultaneously measure muscle forces being generated by complementary, supplementary, and / or antagonistic muscle pairs such that real-time muscle effort ratios can be calculated. In some embodiments, the measurements provide a means by which clinicians and trainers can diagnose musculo-skeletal injuries and pains associated with muscle imbalances.

A multifunctional intelligent rehabilitation training and assessment system comprises a control terminal, a mechanical arm, a force sensor, a position sensor, a myoelectricity sensor and a 3D printing support, wherein the mechanical arm is used for rehabilitation training of upper limbs and lower limbs; the 3D printing support is used for fixing different joints; the force sensor is arranged at one end, which is in contact with a patient, of the mechanical arm; the position sensor is mounted on the mechanical arm and can record the space position of the mechanical arm; the myoelectricity sensor is attached to the muscle body of the patient; the control terminal sends down a rehabilitation instruction to the mechanical arm by acquiring and analyzing the information of the force sensor and the information of the myoelectricity sensor on the basis of built-in parameters, and applies corresponding rehabilitation training actions to the patient; in a rehabilitation training action process, the control terminal acquires the position information of the mechanical arm in real time, and records a muscle force, which is fed back by the myoelectricity sensor, of the patient and a force which is fed back by the force sensor and is applied by the patient in a training process, and the rehabilitation training mode is adjusted in real time on that basis. The mechanical arm is small in size, low in cost and high in universality, and has good nerve and motion reconstruction rehabilitation effect due to the force and myoelectricity feedback function.

The invention belongs to the technical field of medical equipment, and particularly relates to a wearable lower limb rehabilitation evaluating system. The system comprises a lower limb signal collecting system, an upper computer and an application software system thereof, wherein the lower limb signal collecting system is used for collecting and transmitting rehabilitation patient lower limb motion signals, electromyographic signals and plantar pressure signals and comprises a bandage module, a signal collecting module, a signal processing module, a signal transmitting module and a power supply module; the signal collecting module is detachably connected to the bandage module, and the signal processing module, the signal transmitting module and the power supply module are installed on thebandage module, so that normal living of the rehabilitation patient is not affected; a rehabilitation training software system utilizes obtained data to work out the step pitch, gait analysis, ankle joint activity, myoelectricity, equilibrium state, plantar pressure distribution, knee joint activity, muscle force evaluation of relative muscles and other information, more professional and more comprehensive evaluation data is provided for a therapist, and meanwhile more professional guidance is provided for the patient.

A bone plating system comprising: a plate, where the plate is low-profile and capable of contouring to a bone; a variable number of screw holes, locking or non-locking; at least one channel or tunnel through the plate; and at least one flexible device passing through the channel or tunnel and passing through soft tissue attached to the bone. The low profile plate, in combination with the flexible device passing through the surrounding soft tissue, functions as a tension band and acts to neutralize the muscle forces tending to pull the bone apart at a fracture. The low profile tension band plating system is targeted for periarticular tensile fractures for repair of patella, olecranon, greater trochanter, greater tuberosity, radial styloid, lateral or medial malleoli, or lateral malleolus.

The invention relates to the technical field of medical rehabilitation instruments and provides an intelligent lower limb rehabilitation training device. The main structure comprises a control module, a power driving module, a detection module, an external skeleton and a balance device. The control module is in electrical information connection with the power driving module and the detection module. The power driving module and the detection module are connected to the external skeleton in an embedded manner. The control module comprises a computer, a servo controller, a control system and a control circuit. The power driving module comprises four groups of servo motors. The detection module comprises a muscle force sensor, a pressure sensor, a speed sensor and an angle sensor. The external skeleton is formed by connecting a joint frame comprising a hip joint, knee joints and ankle joints and a skeleton comprising a chest support, straps, a weight reduction support, a waist support, a thigh bone frame, a fibula frame, an ankle frame and a foot carrier in a mode of kinetic pair. The balance device comprises a hand cart, parallel bars and crutches. The intelligent lower limb rehabilitation training device fulfils a good rehabilitation training aiding function.

Systems and methods for determining muscle force are presented. Proportional, integral, and derivative control is used to simulate muscle forces for multiple muscles contributing to a kinematic profile. The simulated muscle forces arc modified by dynamic gains that are calculated in order to achieve a muscle recruitment objective such as minimizing collective muscle effort while still achieving the kinematic motion.

A bone plating system comprising: a plate, where the plate is low-profile and capable of contouring to a bone; a variable number of screw holes, locking or non-locking; at least one channel or tunnel through the plate; and at least one flexible device passing through the channel or tunnel and passing through soft tissue attached to the bone. The low profile plate, in combination with the flexible device passing through the surrounding soft tissue, functions as a tension band and acts to neutralize the muscle forces tending to pull the bone apart at a fracture. The low profile tension band plating system is targeted for periarticular tensile fractures for repair of patella, olecranon, greater trochanter, greater tuberosity, radial styloid, lateral or medial malleoli, or lateral malleolus.

A wearable lower limb movement correcting system based on cloud detection comprises a lower limb movement state acquiring module, a data transmission module, a movement state information visualizationand three-dimensional human body posture reappearance module arranged on a mobile terminal and a data processing module including a cloud platform, wherein the lower limb movement state acquiring module is connected with the data transmission module through a bus and transmits sensor signals, the data transmission module receives the sensor signals, sorts, integrates and packs formats, then is connected with the movement state information visualization and three-dimensional human body posture reappearance module in a wireless way and transmits movement postures and muscle force state data, the movement state information visualization and three-dimensional human body posture reappearance module transmits the data to a cloud platform through a network in real time so as to perform big datatraining and storage based on a database, and the data processing module transmits trained and processed three-dimensional human body posture and gait analysis data back to the mobile terminal througha wireless network so as to display action correcting information.

The invention relates to the technical field of sports medicine and provides a muscle force assessment method and device and a muscle rehabilitation training tracking and assessment method and system. The muscle force assessment method includes the steps that image collection: ultrasonic equipment is adopted for collecting a muscle contraction image video in the moving process of a patient in real time; image preprocessing: framing is performed on the collected muscle contraction image video, so that interesting image information is extracted and the image contrast is adjusted; motion field extraction: a motion assessment method is adopted for calculating a motion field of every two adjacent frames in the image, and the motion fields represent spatial-temporal changes of an image gray value in the x direction and the y direction; a muscular movement range curve is obtained: a quantized index is extracted from the motion fields, and the muscular movement range curve is calculated in a fitting mode and serves as a reference standard of muscle force assessment. The ultrasonic equipment is used for collecting the muscle image, the muscle assessment method and device are simple and visual, requirements for a doctor and the patient are relatively reduced, and the processes of assessing muscle force are simplified.

The invention discloses an ankle joint active / passive training instrument, and relates to medical rehabilitation training instruments. The ankle joint active / passive training instrument comprises a base, a pedal assembly, a supporting shelf, a servo driver and a push rod driver, and a patient can be driven to conduct ankle joint driven rehabilitation training of multiple degrees of freedom like adduction / abduction, dorsiflexion / plantar flexion, and introversion / extroversion. When the patient has certain muscle force, the exercise strength of the patient is detected through a pressure sensor and a torque sensor arranged on the pedal assembly, and the patient conducts ankle joint driving rehabilitation training of multiple degrees of freedom through the force of himself / herself with assistance provided by the servo driver and the push rod driver. Meanwhile, three angle sensors, pressure sensors and torque sensors are arranged at three degrees of freedom where the angle joint moves, and the movement range and strength of the ankle joint of the patient can be measured; by connecting a computer, the servo motor and the push rod driver are controlled to make the pedal assembly move, andfoot movement tracks are displayed on the computer in real time; meanwhile, game interaction training can also be conducted, and the training effect is obviously improved.

An electrohydraulic brake system having a muscle-force-actuatable auxiliary brake and an external-force-actuatable service brake includes operating mode switchover valves triggerable by an electronic control unit for switching from the service braking state to the auxiliary braking state. A piston / cylinder unit with a pressure medium connection between a master cylinder and a wheel brake which is interrupted by the switchover valves to simulate the pedal travel in the service braking state. The piston / cylinder receives the pressure medium displaced in the master cylinder by actuation of the brake pedal by the driver's foot. The piston / cylinder unit can be hydraulically blocked in the auxiliary braking state so that pressure medium positively displaced in the master cylinder is available to the greatest possible extent for building up pressure at the wheel brakes. The subjection of the piston / cylinder unit to pressure medium is controlled via one of the operating mode switchover valves.

A system, a method and a computer readable medium are provided for simulating a combined musculoskeletal and augmentation device system. The dynamics model of the combined musculoskeletal and augmentation device system receives computed torques at the joints as inputs and delivers simulated kinematic data of the segments as outputs. The augmentation device controller for control of the augmentation device, receives the simulated kinematic data as inputs and delivers assist torques as outputs. The inverse dynamics model for the musculoskeletal and augmentation device system, receives the simulated kinematic data, desired kinematic data of the segments and the assit torques as inputs and delivers the computed net joint torque and muscle torque. The muscle force and muscle capacity module for checking and adjusting the computed torques, receives the computed torques as inputs and delivers computed torques as outputs after the checking and adjustment.

A muscle force assisting device includes a first attachment arranged along one bone of a joint, a second attachment arranged along the other bone of the joint, and a stretching-artificial muscle having one end provided on the first attachment and having the other end provided on the second attachment, in which an actuator that is extensible by supplying or discharging a substance such as gas, liquid and solid, or a mixture thereof is used as the stretching-artificial muscle, the muscle force assisting device assists motion of a user's joint such as an elbow, a knee and a wrist, a protecting member is provided on the first attachment as a path-restricting section that restricts a path of the stretching-artificial muscle, the protecting member restricts approach of the stretching-artificial muscle toward the joint, the stretching-artificial muscle is prevented from pressing a human body even if the path of the artificial muscle is changed by bending or stretching motion, and the a driving force of the artificial muscle can efficiently be converted into a stretching torque.

A novel system and method for restoring functional movement of a paralyzed limb(s) or a prosthetic device. Stimulating one or more muscles of a patient using an implanted neuromuscular implants and sensing the response of the stimulated muscle by the implants, wherein the sensing the response is not limited to data related to patient's movement intention, the posture, muscle extension, M-Wave and EMG. A communication and control protocol to operate the system safely and efficiently, use of forward and reverse telemetry channels having a limited bandwidth capacity, and minimizing the adverse consequences caused by errors in data transmission and intermittent loss of power to the implants. Adjusting stimulation rates and phases of the stimulator in order to achieve an efficient control of muscle force while minimizing fatigue and therefore providing for smooth movements and dynamic increase of the strength in patient's muscle contraction.

The invention discloses a finger muscle force rehabilitation device which comprises a handle, a U-shaped frame and a four-finger rehabilitation device. The handle is arranged on the left side of the U-shaped frame. The upper and lower ends of the right side of the handle are symmetrically provided with protrusions. Second cavities are arranged inside the protrusions. The two ends of the U-shaped frame are connected with the corresponding second cavities in a sliding mode respectively. Second springs are arranged between the two ends of the U-shaped frame and the bottoms of the second cavities. Positioning pins capable of extending into the second cavities are arranged outside the protrusions. A plurality of positioning holes corresponding to the positioning pins are formed in the two ends of the U-shaped frame. A first cavity is formed in the upper end of the handle. A first spring is arranged inside the first cavity. The first spring is connected with a first buckle through a first connecting rod. The finger muscle force rehabilitation device is reasonable in structural design, can perform rehabilitation training on the thumb and four fingers of a patient, can meet the requirement of the patient for selection of different rehabilitation training strengths, can perform palm handholding training and promotes rehabilitation of the patient.

The invention relates to the technical field of medical equipment, particularly to a three-dimensional space cervical vertebrae rehabilitation instrument, which comprises a bed frame and a traction device, wherein a lying plate is arranged on the bed frame. The three-dimensional space cervical vertebrae rehabilitation instrument is characterized in that a three-dimensional space cervical vertebrae adjusting device is arranged in front of the lying plate and comprises a lifting locating rack, a Z-axis rotating plate, a hinge shaft, a neck supporting device and a head supporting device, the rear end of the Z-axis rotating plate is hinged with the lifting locating rack fixed on the bed frame, the front end of the Z-axis rotating plate is hinged with a lifting oil cylinder fixed on the bed frame, and the head supporting device and the neck supporting device are arranged at the upper end of the Z-axis rotating plate. The three-dimensional space cervical vertebrae rehabilitation instrument of the invention realizes the function of rotation at an optional angle in the three-dimensional space, restores physiologic front bends of cervical vertebrae, and exercises the functions of cervical vertebrae while carrying out traction, so as to effectively prevent deterioration of the physiologic curvature of the cervical vertebrae. The three-dimensional space cervical vertebrae rehabilitation instrument has a novel structure, is convenient in operation, can exercise the functions of cervical vertebrae while carrying out traction, and can restore the physiologic front bends of cervical vertebrae and reconstruct muscle force balance of muscles around the cervical vertebrae.

The invention discloses a bionic rehabilitation system worn in the whole movement process of a human body. The bionic rehabilitation system mainly comprises a human body movement target joint moment resolving system, a patient muscle force self-supply joint moment resolving system and an external assistant excitation compensation moment calculation system. A mode that limbs of a patient are drivenby an external assistant mechanism of conventional rehabilitation equipment to achieve rehabilitation movement is changed. By adopting a lightened wearable use mode, in the situation that conventional muscle force functions of a patient are sufficiently protected, on the basis of bionics and a healthy body kinematic mechanics model, and by using multi-signal sensation fusion and resolving methodswith inertia signals, sole six-dimensional force signals, surface electromyogram signals, functional electrophotoluminescence signals and the like, space muscle force systems and self-supplied jointmoments of the patient the whole movement process of sitting, standing and walking are analyzed, compensation moments of different joints are calculated in real time, corresponding muscle is stimulated to exert force through the functional electrophotoluminescence signals, and rehabilitation movement assistance and training in the whole movement process of a human body can be achieved.

The invention relates to an arm type lower limb exercise rehabilitation training robot and belongs to the field of rehabilitation therapy instruments. A rotating bottom disc and a pin lock balance pedal are arranged on a fixing base respectively. One end of a mechanical arm is connected with the rotating bottom disc. The other end of the mechanical arm is connected with a human body flexible fixing connecting terminal. Three-freedom moving can be achieved. A fixing base #-shaped frame is in a trapezoid shape. In a standing exercise stage, a patient sits with the back against the mechanical arm in a wide end zone, enough training space is guaranteed for the patient, and training is carried out accurately according to healthy human body muscle force application and skeleton rehabilitation feature curve standing tracks. A narrow end is a mechanical arm mounting position. The robot has the advantages that passive, assisting and active training can be provided, the robot is suitable for different patients in various stages during rehabilitation training, the structure is simple and compact, size is small, weight is low, training efficiency is high, compared with an exoskeleton type rehabilitation training robot, lower limb constraint passive traction training is avoided, so that the patient is comfortable and free psychologically, using is convenient, and practicability is high.

A muscle force assisting can increase a bending angle of a second attachment with respect to a first attachment. The muscle force assisting device includes the first attachment arranged along one bone of a joint, the second attachment arranged along the other bone of the joint, and an artificial muscle having one end provided on the first attachment and having the other end provided on the second attachment, an actuator that is extensible or contractible by supplying or discharging a substance such as gas, liquid and solid, or a mixture thereof is used as the artificial muscle, and the muscle force assisting device assists motion of a user's elbow, knee and wrist, the one end of the artificial muscle can be displaced with respect to the first attachment, the one end of the artificial muscle is displaced, and a bending angle of the second attachment with respect to the first attachment is increased as compared with a case where the one end of the artificial muscle is not displaced.

The invention discloses an individualized pelvic floor rehabilitation training method. The individualized pelvic floor rehabilitation training method allocates a pelvic floor pressure acquisition device and pelvic floor rehabilitation training software firstly, performs pelvic floor muscle force test secondly, and finally makes an individualized training scheme according to the test result so as to perform individualized pelvic floor rehabilitation training. The method includes the steps: 1) editing personal information; 2) transmitting and controlling data; 3) testing the pressure of a pelvicfloor; 4) recording and analyzing the pelvic floor muscle force level in each circulation test in all the test circulation at this time; and 5) performing pelvic floor rehabilitation training according to the training scheme acquired and recommended from the step 4. The method for setting the training scheme individually according to different muscle forces of different persons or the same personat different stages is implemented, and user training is targeted. The method uses an international perineum muscle force evaluation standard to evaluate the muscle force of the user, can achieve individual setting of the training scheme, can automatically complete test and evaluation of the muscle force by software, and is fast and accurate.

The invention discloses an FPFD (female pelvic floor dysfunction) evaluation method and a system for realizing the same. The method comprises steps as follows: step A, muscle force data of pelvic floor muscle and image data of an anatomical structure of the pelvic floor muscle are acquired in real time during testing; step B, muscle force data and image data of the anatomical structure of the pelvic floor muscle are acquired synchronously; step C, a time-dependent displacement curve of feature points of an interested area of the pelvic floor muscle is calculated according to the image data ofthe anatomical structure of the pelvic floor muscle; step D, a time-dependent curve of muscle force of vagina is calculated according to the muscle force data, and a time-dependent displacement curveof the muscle deformation quantity is calculated according to the displacement curve. The biomechanical characteristic can be quantitatively evaluated by acquiring the muscle force data and the imagedata of the anatomical structure of the pelvic floor muscle synchronously and calculating the curves corresponding to time, and accurate criterions are provided for FPFD evaluation.

The invention provides an interactive type pelvic floor muscle recovering device in the technical field of medical instruments. The interactive type pelvic floor muscle recovering device comprises a myoelectricity collecting module, a muscle force collecting module, a stimulation treating module, a power circuit module, a reset circuit module and a serial communication module. The interactive type pelvic floor muscle recovering device is designed with a C2000DSP chip as the core and used for guiding a patient to correctly contract pelvic floor muscles and for independently restraining abnormal contracting of the detrusor of the bladder. The interactive type pelvic floor muscle recovering device plays a very important role in improving quality of postpartum life of women and preventing and treating postpartum uracratia, pelvic cavity viscera prolapsus and the like, can not only effectively diagnose functional disorders of the pelvic floor muscle, but also conduct rehabilitation, and has the advantages of being portable, low in power consumption and capable of conducting two-way stimulation and the like.