84 results about "Proprioception" patented technology

At least one electrical brain signal is received from a patient and is demultiplexed into an efferent motor intention signal and at least one afferent sensory signal (such as an afferent touch sense signal and / or an afferent proprioception signal). A demultiplexed afferent touch sense signal may be used to control a haptic device.

The invention provides a virtual reality moving method and device for gait self-adaptive translation gain. The method comprises the following steps: determining natural disturbance in a gait cycle when a user naturally walks; according to natural disturbance in the gait cycle, the translation gain of the user in the virtual reality environment is dynamically adjusted; wherein the larger the natural disturbance is, the larger the translation gain corresponding to the natural disturbance is, and the translation gain is used for adjusting the proportion of the walking speed of the user in the virtual space to the actual walking speed of the user in the physical space. According to the method, the use of the translation gain is dynamically adjusted according to the gait cycle of the user, the inconsistency between the user body feeling and the visual perception is reduced by using the motion disturbance of the user, the perception threshold value of the user for the difference between the virtual space motion rate and the physical space motion rate is widened, meanwhile, the occurrence probability of motion sickness is not increased, and the user experience is improved. Therefore, the overall comfort and immersion of the user are improved.

The present invention discloses a method for intervening in the subjective feeling of motion sickness in virtual reality based on perceptual theory, which relates to the technical field of virtual reality. The method comprises: acquiring proprioception parameter information of a current user, wherein the proprioception parameter information includes but is not limited to head movement data, eye movement data, and physiological data; performing real-time analysis on the currently acquired data using a data analysis algorithm to determine whether the user has early signs of motion sickness; determining, by the data analysis algorithm, that the user has early signs of motion sickness, and immediately initiating a visual perception adjustment step. Furthermore, by real-time capturing and analyzing the user's physiological signals in a virtual reality experience, it is possible to identify and intervene in the early stages of motion sickness, and to formulate an intervention method in a timely manner for users who have subjective feelings of motion sickness, thereby facilitating rapid relief of user discomfort.

The present disclosure is directed to a system and method for selectively and reversibly modulating targeted neural and non-neural tissue of a nervous system for the treatment of pain. An electrical stimulation is delivered to the treatment site that selectively and reversibly modulates the targeted neural- and non-neural tissue of the nervous structure, inhibiting pain while preserving other sensory and motor function, and proprioception.

The invention relates to the technical field of medical data analysis. By providing the multi-modal fusion ACLR post-rehabilitation intelligent evaluation method and system, the method comprises the steps that peripheral modal data, central modal data and rehabilitation intervention data of an ACLR patient are synchronously collected and processed, and a multi-source heterogeneous data set is obtained; performing space-time alignment processing on the multi-source heterogeneous data set through a preset unified timestamp to generate a time-synchronized cross-modal data set; the cross-modal data set is processed through the trained brain-muscle-bone multi-modal fusion model, and three-dimensional comprehensive evaluation indexes including the structure safety degree, the function recovery degree and the nerve recombination degree are generated; and performing rehabilitation parameter dynamic optimization processing according to the three-dimensional comprehensive evaluation index, and generating a personalized blood flow limitation training pressure value and proprioceptive training intensity, so as to achieve the technical effects of multi-dimensional quantification of a rehabilitation state, dynamic adaptation of training parameters, nerve-muscle-bone collaborative intervention, improvement of a rehabilitation curative effect and reduction of a re-injury risk.

The invention relates to the technical field of foot drop training, in particular to a double-foot balance rehabilitation training device which comprises a training seat, and a pair of training devices for double feet to stand in a balanced mode and an adjusting set used for switching the training devices to alternate treading are arranged in the training seat. The trainer comprises a rotary foot placing box and a pedal plate which is adaptively clamped with a top end opening of the foot placing box and is overturned; the adjusting set comprises a pair of liquid storage pipes in a bent state, an adjusting rod and a liquid pressing rod connected with the rear ends of the liquid storage pipes in a matched and inserted mode. Smooth transition from static balance to dynamic strengthening training is completed through a dual-mode training mechanism, a patient can conduct foot drop correction training with the help of a horizontal foot placing box in the early stage, and foot strength is enhanced by switching an alternate treading mode in the later stage; a foot placing box is hinged to a downward turning and hydraulic damping system, so that the self-adaptive adjustment effect of the foot upwarp angle is achieved, a liquid pressing rod extrudes damping liquid to transfer the damping liquid to a liquid storage bag during treading, progressive resistance is formed, and proprioceptive training is enhanced.

A sole structure for an article of footwear comprises a midsole body having a proximal surface and a distal surface. Proprioceptive elements may extend in holes in the midsole body. The midsole body has an interior portion having a first density and an outer skin covering the interior portion. The outer skin has a second density that is greater than the first density, extends along each of the holes from the proximal surface to the distal surface, and forms a cylinder around each of the perforated holes. The midsole body has a greater compressive stiffness under loading along each central axis than under loading transverse or oblique to each central axis. A first set of proprioceptive elements have a third density different from a fourth density of a second set.

A proprioceptive shaver for shaving / grooming intimate areas. The proprioceptive shaver for shaving one or more portions of a body includes a main body having a first end and a second opposing end, a user engagement member designed to provide multiple points of contact with a user's hand when in use, and a shaving assembly having a razor head having at least one or more cutting surfaces. The multiple points of contact may include areas at or near the metacarpophalangeal joint, proximal interphalangeal joint and distal inferior phalange of the user's hand.

The invention relates to a lower limb motor function recovery system and method based on a motor imagery brain-computer interface, and the system comprises a noninvasive electroencephalogram signal collection module which is used for collecting an electroencephalogram signal when a patient carries out a lower limb motor imagery task; the signal processing and intention recognition module is used for carrying out feature extraction and classification recognition on the collected electroencephalogram signals and outputting the motor imagery intention of the patient; the multi-sensory feedback module is used for providing multi-sensory feedback information including visual sense, auditory sense, tactile sense and proprioceptive sense for the patient; the lower limb rehabilitation training module is used for executing lower limb rehabilitation training actions corresponding to the motor imagery intention; the central control module is configured to receive the recognition result of the motor imagery intention and generate a control instruction according to the recognition result to drive the multi-sensory feedback module and the lower limb rehabilitation training module to work cooperatively. According to the system, a multi-sensory collaborative feedback mode is adopted to simulate multi-sensory interaction, and the identification degree and training compliance of a motor imagery task of a patient are improved.

A wearable haptic navigation system for obscured visibility environments, the wearable haptic navigation system including: a wearable haptic component, in one alternative a body covering suite; and a mapping data collector and processor in communication with the wearable haptic component; wherein the mapping data collector and processor collects data related to a path traversed by a user of the wearable haptic navigation system and generates at least one proprioception suggestion signal to the wearable haptic component providing the user with a suggested safe egress path and / or a suggested safe body position.

The present invention relates to a system and method for selectively and reversibly modulating targeted nervous or non-nervous tissue of a nervous system for the treatment of pain. Electrical stimulation is delivered to the treatment site which selectively and reversibly modulates the targeted nervous or non-nervous tissue of the nervous structure, inhibiting pain while preserving other motor and motor functions and proprioception.

The utility model relates to the technical field of orthotic insoles, and discloses a novel bandage type proprioceptive stimulation flatfoot orthotic insole which comprises an insole body, the top end of the insole body is fixedly connected with an insole surface, and the top end of the insole surface is fixedly connected with a fixed point assembly used for providing a fixing effect. One side of the top end of the point fixing assembly is fixedly connected with an arch bag, a notch is formed in the inner side of the arch bag, the interior of the notch is detachably connected with an arch gasket, and the front side of the top end of the pad surface is fixedly connected with a separation assembly used for separating the big toe. The inner side of the front end of the top of the pad face is fixedly connected with an auxiliary assembly used for assisting in correcting the position of the big toe. According to the utility model, the first stimulation point and the second stimulation point are arranged at the heel position and are matched with the fabric with the silica gel particle points to cover the whole insole foot surface, so that the feeling stimulation of the sole is increased, the movement and coordination of foot muscles are further promoted, and an ideal correction effect is achieved.

Stands for measuring proprioception comprising a hand layer comprising one or more vertically offset portions configured to ensure proper placement of a patient's hand in a predetermined position, a top cover coupled to the hand layer, wherein the top cover is designed to obscure the patient's view of the patient's hand, and a support element coupled to the hand layer and configured to support the hand layer at a predetermined angle are disclosed. Methods for measuring proprioception are also disclosed.

The invention relates to the technical field of medical detection equipment, and discloses an upper limb proprioceptive test device. A lower panel is arranged on the lower surface of the upper panel, and a plurality of through holes are formed in the lower panel; the rotating mechanism is mounted on the lower surface of the lower panel and used for adjusting the angle of the lower panel; and the rotating mechanism comprises a connecting disc, a second sliding rod is slidably connected to the interior of the connecting disc, a limiting ball head is fixedly connected to one end of the second sliding rod, and a first spring is fixedly connected to the outer wall of the second sliding rod. A lower panel is pulled to drive a rotating ring to rotate on the outer wall of a connecting disc, a limiting ball head is extruded to push a second sliding rod to move, a first spring is extruded, the second sliding rod is pushed through the first spring to move and be inserted into a limiting groove, and then the second sliding rod is made to limit the rotating ring; the effect of adjusting the angle of the lower panel is achieved.

The application discloses an up-down interactive proprioceptive training device, which comprises two arm plate clamps and two back plate bodies; the upper surface of each arm plate clamp is fixed with a base plate, the base plate is provided with an arm supporting plate, the front end of the arm supporting plate is installed on the base plate through a hinge shaft, the arm supporting plate can move around the hinge shaft at the front end, and each arm supporting plate is connected with a plurality of arm binding belts; the base plate is provided with an installation cavity; the up-down limb interaction can better train the proprioception of a patient, self-control can avoid injury during rehabilitation training, safety is higher, and the time and energy of nursing personnel can be saved.

The present invention relates to the technical field of foot drop training, and specifically relates to a two-foot balance rehabilitation training device, which includes a training seat. Inside the training seat, there are a pair of trainers for two-foot balanced standing and an adjustment group for switching the trainers to alternate stepping; the trainer includes a rotating foot placement box and a foot pedal that is adaptively clamped and flipped with the top port of the foot placement box; the adjustment group includes a pair of liquid storage tubes in a bent state, an adjustment rod, and a liquid pressing rod that is adaptively inserted into the rear end of the liquid storage tube. Through a dual-mode training mechanism, the present invention achieves a smooth transition from static balance training to dynamic strengthening training: in the initial stage, patients can use the horizontal foot placement box for foot drop correction training, and in the later stage, the foot strength can be enhanced by switching to the alternate stepping mode; through the hinged downward turning of the foot placement box and the hydraulic damping system, the adaptive adjustment effect of the upward tilt angle of the foot is achieved: when stepping on the pedal, the liquid pressing rod squeezes the damping liquid and transfers it to the liquid storage sac, forming a progressive resistance to enhance proprioceptive training.

The utility model discloses a proprioceptive sensation and balance evaluation training device which comprises a base, a standing platform is arranged on the base, a rotating disc is rotationally arranged on the standing platform through a rotating supporting structure, and a foot pushing plate is arranged on the rotating disc in a sliding mode in the radial direction of the rotating disc. A length display structure used for displaying the distance adjustment of the foot push plate is arranged on the rotating disc, and an angle display structure used for displaying the rotating angle of the rotating disc is arranged on the base. The body feeling and balance training degree and condition can be directly evaluated and displayed, and training evaluation can be performed on footstep linear movement and rotation angle.

The disclosure provides a kind of cognitive function evaluation method based on multi-source information fusion, it is related to health management technical field.The specific implementation of the method includes: obtaining the heart-brain coupling data index of the old people, concentration data index, electrooculogram-skin electricity emotional data index and proprioceptive balance index;In the evaluation period, respectively, the heart-brain coupling data index, concentration data index, electrooculogram-skin electricity emotional data index, proprioceptive balance index and corresponding index threshold are compared, to determine the index coefficient of the heart-brain coupling data index, the index coefficient of the concentration data index, the index coefficient of the electrooculogram-skin electricity emotional data index and the index coefficient of the proprioceptive balance index;Combine each index coefficient, evaluate the cognitive dysfunction degree of the old people.This embodiment can be more convenient, accurate and efficient to evaluate cognitive function, and early discover the cognitive dysfunction of the old people, has very extensive application prospect in the field of health management.

The rapid development of science and technology has greatly promoted the development of artificial prosthetic hands. However, some problems still exist in the actual application process. Solving the contradiction between the dexterity of prosthetic movement and the intuitiveness of operation control has become a key technical link that needs to be urgently solved in the current dexterous prosthetic hand system. The present invention proposes a neural potential trigger stimulation system and feedback method for prosthetic hand tactile feedback. It can select a specific neural excitation model as the trigger signal of the stimulation waveform based on the pressure information perceived by the prosthetic hand end, and use the fingertip pressure signal as the input variable of the neural excitation model to generate a stimulation waveform with different triggering morphology in both the time domain and the frequency domain, thereby realizing direct proprioception of specific sensory information such as pressure, vibration, and pain, and improving the fine operation ability of the prosthetic hand system and the energy efficiency of the equipment.

To provide a system and a method for selectively and reversibly adjusting a target nerve tissue and a non-nerve tissue of a nervous system for treating pain.SOLUTION: In a stimulator 100, an electric stimulation generated by a control device 130 and a signal generator 140 electrically connected to a power source 180 is transmitted to a part to be treated N via an electrode 120, a target nerve tissue and a non-nerve tissue of a nervous structure are selectively and reversibly adjusted, and pain is suppressed while maintaining other sensibility, motor functions, and proprioception.SELECTED DRAWING: Figure 1

The invention provides a VR immersive ankle joint proprioceptive training system and method. According to the technical scheme, the VR immersive ankle joint proprioceptive training system comprises a training parameter setting module used for obtaining ankle joint training parameters of a target training person; the first path setting module is used for setting a motion sense training path, a position sense training path and a vibration sense training path; the second path setting module is used for constructing an ankle joint training path and a training path identifier; the ankle joint proprioceptive training module is used for performing ankle joint proprioceptive training on the target trainee based on the ankle joint training path; the initial training evaluation module is used for analyzing to obtain an initial training evaluation coefficient; the feedback training evaluation module is used for analyzing to obtain a feedback training evaluation coefficient; and the comprehensive advanced training evaluation module is used for analyzing to obtain a comprehensive training evaluation coefficient and obtaining an ankle joint training effect of the target training personnel according to the comprehensive training evaluation coefficient. The training effect of ankle joint proprioceptive training is improved.

The utility model discloses a pneumatic hand for hand muscle spasm resistance, which is characterized in that flexible telescopic tubes are arranged on the backs of five fingers of a glove body, fingers and finger pulps at the palm and proximal phalanx are exposed, a first connecting block is arranged on one side of the palm end of the glove body, and a second connecting block is arranged on the other side of the palm end of the glove body. A hand muscle spasm detection module is arranged in the interphalangeal joints of the five fingers of the glove body. According to the utility model, the hand muscle spasm detection module is added to help treatment personnel to timely discover increase of hand muscle tension of a patient, a program is set in advance through the module or the treatment personnel manually controls the program to enable the pneumatic hand to drive fingers to stretch so as to achieve the effect of simulating BOBATH bare-handed treatment spasm resistance, and the gloves are improved. The latest BOBATH, posture control and motion control concepts are adopted, more palm center and finger pulp areas are exposed, proprioceptive input is increased, and recovery of the hand motion function of a patient is better facilitated.

The application provides a virtual reality embodiment rehabilitation system, comprising a virtual domain system, an embodiment sense stimulating system, an embodiment sense evaluating system, a device domain system and a central control module. The virtual domain system induces the sense of possession, the sense of autonomy and the sense of location by creating a virtual avatar, a real-time action mapping and a virtual environment suitable for rehabilitation tasks; the embodiment sense stimulating system takes visual stimulation as the core and matches multiple types of sensory stimulation linkage to strengthen the reality of embodiment experience; the embodiment sense evaluating system evaluates real-time embodiment sense to provide reliable data support for regulation and control. The application is based on embodiment cognition theory, combines virtual reality technology, multi-modal sensing technology, neuroscience and rehabilitation medicine principles, builds an immersive virtual environment, realizes multi-channel sensory coordinated stimulation such as vision, proprioception and touch, induces patients to produce embodiment experience, reshapes abnormal body representation, promotes neural plasticity and functional recovery, and helps patients return to normal life and society.

FIELD: rehabilitation therapy; psychotherapy; neurology.SUBSTANCE: used in body-oriented therapy to correct sensory integration disorders, reduce the level of auto-aggression and hetero-aggression, stabilize the emotional state, and also to improve cognitive functions in children and adults, including those with disabilities and psychoneurological disorders. Massage techniques are performed sequentially on the legs, torso, arms, chewing muscles and ears, hair area, spinal column and sacrum. In this case, the massage is performed using at least one of the following techniques: rubbing, kneading, pressing, pulling, circular, spiral, progressive or combing movements directed along or across the area being massaged, taking into account the individual sensitivity of the patient. At the same time, the patient is placed on a flat surface. The procedure is carried out in the morning or before midday.EFFECT: reduction in autoaggression and heteroaggression in patients with neurological and / or psychiatric diagnoses, and improving the functioning of the body's sensory systems, in particular proprioception and the vestibular sensory system.10 cl, 6 ex

The invention discloses a system for posture perception and proprioceptive rehabilitation training, a quantitative evaluation method executed by the system for posture perception and proprioceptive rehabilitation training, and a rehabilitation training method executed by the system for posture perception and proprioceptive rehabilitation training. The system comprises a multilayer heterogeneous flexible sensor array mattress, a system control unit, a man-machine interaction module and an undisturbed physiological index detection unit. The mattress is laid on the surface of a sickbed and used for collecting body pressure distribution signals of a patient, outputting touch and warm stimulation and collecting vital sign signals in a non-contact mode. The system control unit processes body pressure distribution and vital sign signals, operates an intelligent recognition and control algorithm and generates a stimulation control instruction. The man-machine interaction module displays system state information and receives a user instruction. The undisturbed physiological index detection unit is integrated in the mattress and is used for collecting vital sign signals;

Mechanoneural Interfaces (MIs) and methods of forming MIs are provided, including cutaneous mechanoneural interfaces (CMIs) and proprioceptive mechanoneural interfaces (PMIs). A CMI includes a device in operative arrangement with a muscle actuator to stimulate muscle contraction, the muscle actuator disposed in a substantially circumferential configuration about a skin flap that includes a native or regenerative neurovascular structure of an amputated body segment. A PMI includes an actuator mechanically linked to a muscle end organ and configured to apply a force to the muscle end organ, the actuator including a synthetic actuator or a biological muscle actuator. The muscle end organ is of an agonist-antagonist muscle pair and can include at least one of a native or regenerative neurovascular structure. CMIs and PMIs can each further include a controller configured to provide a stimulation signal or operate an actuator based on a signal received from a sensor of a prosthetic device.

The invention relates to a proprioceptive-brain muscle signal coupled ACLR post-balance rehabilitation multi-dimensional evaluation method and system. The method comprises the following steps: collecting and synchronously aligning electroencephalogram, surface myoelectricity and body kinematics signals of an ACLR patient, quantifying the downlink causal action intensity from a brain region to muscles and the uplink causal action intensity from the muscles to the brain region based on the electroencephalogram and myoelectricity signals, and obtaining nonlinear causal characteristics representing nerve-muscle bidirectional information flow characteristics; then taking the features as constraints, driving a nerve-biomechanical causal generation model to analyze kinematics data, and estimating delay of each link of sensory pathway, central processing and motion execution; and finally, the bidirectional causal features and the multi-link delay data are fused to generate a comprehensive evaluation index. By means of the method, the two-way interaction relation between nerves and muscles can be mined and quantified, the deep cause of balance ability damage is revealed, control defects in dynamic tasks of the patient are captured, a basis is provided for a personalized rehabilitation scheme, and the risk of incomplete recovery or secondary injury of the patient is reduced.

The invention aims to disclose a sports apparatus and method for training proprioceptive sensation of lower limbs, and relates to the technical field of lower limb exercise and rehabilitation, the sports apparatus comprises a circularly rotating belt for a user to walk and a plurality of bulges arranged on the surface of the belt, the height of each bulge is 0.5-1cm, and the area of each bulge is 5cm < 2 >-200cm < 2 >; the outer surface of the bulge is a smooth surface; the bulges are regularly or irregularly distributed; compared with the prior art, the device has the advantages that the protrusions are arranged on the surface of the belt which is used for a user to walk and rotates circularly, the belt rotates according to the set speed, and the user needs to avoid the protrusions to complete rehabilitation or training in the lower limb rehabilitation or exercise process; or, the user needs to step on the protrusions, and meanwhile needs to keep the body balanced, so that the body feeling of the lower limbs of the user is recovered or trained; or, the protrusions are distributed according to a certain rule, the user needs to step on the protrusions according to the rule, set actions can be completed, and it is indicated that the body feeling of the lower limbs of the user is recovered.

The utility model discloses a portable shoulder joint proprioceptive evaluation training instrument, and relates to the technical field of proprioceptive testing, the portable shoulder joint proprioceptive evaluation training instrument comprises an angle arm support, a laser pen, a digital angulometer and a forearm fixing orthosis, the angle arm support is provided with a rotating head with an adjustable rotating angle, and the rotating head is used for fixing the position of a shoulder joint and ensuring the testing stability; the laser pen is fixed on the rotating head of the angle arm bracket and is used for projecting a laser point to a wall bull's-eye map; the digital angulometer is arranged on the angle arm bracket and is used for displaying and recording the buckling, stretching and rotating angles of the shoulder joint in real time; the forearm fixing orthosis is fixedly connected with the angle arm bracket and is used for fixing the forearm of a subject; according to the invention, effective evaluation and targeted training can be carried out on the shoulder proprioceptive sensation in a daily clinical environment, so that the sensation control ability and the movement accuracy of the shoulder joint are improved.

The invention belongs to the technical field of medical instruments, and discloses a knee joint rehabilitation training device and a use method.The knee joint rehabilitation training device comprises a fixed base, a first rectangular groove is formed in the upper outer surface of the fixed base, and a sliding block is slidably mounted on the inner side of the first rectangular groove; the inner side of the sliding block is sleeved with a lead screw in a threaded mode, and the lead screw penetrates through the interior of the sliding block and penetrates out of the fixed base. A patient puts two legs on a supporting mechanism, then the supporting mechanism is used for carrying out auxiliary training on knee joints, then a rotating block is rotated, a lead screw is driven to rotate when the rotating block rotates, and a sliding block is driven to slide in a first rectangular groove when the lead screw rotates; compared with a traditional device, the device can be started through auxiliary training of the supporting mechanism, dependence on the supporting mechanism is gradually reduced, the strength of muscles around the knee joint, the motion range of the joint and the body feeling are enhanced, more comprehensive rehabilitation is achieved, and meanwhile the position of the arc-shaped plate can be adjusted in a personalized mode.