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35 results about "Balance disturbances" patented technology

Balance disorder. A balance disorder is a disturbance that causes an individual to feel unsteady, for example when standing or walking. It may be accompanied by feelings of giddiness, or wooziness, or having a sensation of movement, spinning, or floating.

Hybrid cochlear/vestibular implant

A system for treating patients affected both by hearing loss and by balance disorders related to vestibular hypofunction and / or malfunction, which includes sensors of sound and head movement, processing circuitry, a power source, and an implantable electrical stimulator capable of stimulating areas of the cochlea and areas of the vestibular system.
Owner:THE JOHNS HOPKINS UNIVERSITY SCHOOL OF MEDICINE

Enhanced system and method for assessment of disequilibrium, balance and motion disorders

A system and method for providing therapy and assessment utilizing vibrotactile feedback is disclosed. Such treatment is useful for the assessment and treatment of disequilibrium, movement and balance disorders. The system and method measures a subject's performance of predetermined tasks with respect to expected parameters using sensors such as force plates, inertial sensors, and three dimensional cameras. Predetermined motions are motions such as stand, sit-to-stand, reach, bend, functional gait, functional gait plus headshake, and other functional tasks. Vibrotactile stimulation may be applied during the subject's performance as disruptive input. Variance and rate of change of variance between measured and expected parameters is used as a tool for assessment of said subject, and is also used for providing real-time vibrotactile training to said subject. The invention is useful in the treatment of Traumatic Brain Injury (TBI), neurologic disorders causing disequilibrium and balance disorders, and the like.
Owner:ENG ACOUSTICS

Dual Cochlear/Vestibular Stimulator with Control Signals Derived from Motion and Speech Signals

A system for treating patients affected both by hearing loss and by balance disorders related to vestibular hypofunction and / or malfunction, which includes sensors of sound and head movement, processing circuitry, a power source, and an implantable electrical stimulator capable of stimulating areas of the cochlea and areas of the vestibular system.
Owner:ADVNACED BIONICS LLC +1

Enhanced system and method for vibrotactile guided therapy

A system and method for providing therapy and assessment utilizing vibrotactile feedback is disclosed and claimed. Such treatment is useful for the treatment of disequilibrium and balance disorders. The system and method uses sensors such as force plates, inertial sensors, and three dimensional cameras to provide a subject with vibrotactile feedback in response to an attempt by the subject to perform predetermined motions. Predetermined motions are motions such as stand, sit-to-stand, reach, bend, functional gait, functional gait plus headshake, and other functional tasks. Vibrotactile stimulation may be applied during the subject's performance of a functional gait task as a disruptive input. Variance and rate of change of variance between measured and expected parameters are determined and used as a tool for assessment, and may also be used for providing real-time vibrotactile training. Such assessment and therapy is useful in the treatment of Traumatic Brain Injury (TBI).
Owner:ZETS GARY +1

Dual cochlear/vestibular stimulator with control signals derived from motion and speech signals

A system for treating patients affected both by hearing loss and by balance disorders related to vestibular hypofunction and / or malfunction, which includes sensors of sound and head movement, processing circuitry, a power source, and an implantable electrical stimulator capable of stimulating areas of the cochlea and areas of the vestibular system.
Owner:ADVNACED BIONICS LLC +1

RNA interference mediated inhibition of retinolblastoma (RBI) gene expression using short interfering nucleic acid (siNA)

This invention relates to compounds, compositions, and methods useful for modulating retinoblastoma (RB1) gene expression using short interfering nucleic acid (siNA) molecules. This invention also relates to compounds, compositions, and methods useful for modulating the expression and activity of other genes involved in pathways of retinoblastoma gene expression and / or activity by RNA interference (RNAi) using small nucleic acid molecules. In particular, the instant invention features small nucleic acid molecules, such as short interfering nucleic acid (siNA), short interfering RNA (siRNA), double-stranded RNA (dsRNA), micro-RNA (miRNA), and short hairpin RNA (shRNA) molecules and methods used to modulate the expression of retinoblastoma genes. Such small nucleic acid molecules are useful, for example, for treating, preventing, inhibiting, or reducing hearing loss, deafness, tinnitus, motion and balance disorders, cancer and proliferative diseases and any other disease, condition, trait or indication that can respond to the level of retinoblastoma in a cell or tissue, alone or in combination with other treatments or therapies.
Owner:SIRNA THERAPEUTICS INC

Human body balance assessment system and assessment method

The invention provides a human body balance assessment system and assessment method. The human body balance assessment system includes a man-machine interaction module, an action comparison module, a plantar pressure detection module, and a balance index quantification module. The human body balance assessment method includes: setting an application scene in the man-machine interaction module, allowing interactive actions between the human body and the application scene, using a somatosensory sensor to record three-dimensional coordinates of corresponding nodes of a human body skeleton model in real time, and using a plantar pressure sensor to measure the plantar pressure in real time; calculating the angles of human body joints, and determining if the action is standard or not; performing pretreatment on the plantar pressure value if so, and calculating the plantar pressure center; and assessing the balance ability of a human body according to the offset degree of the plantar pressure center. The somatosensory sensor and the plantar pressure sensor are combined; standard actions with different difficulties are designed for people groups with different balance disorders; the objectivity and the reliability of balance assessment can be improved; and the human body balance assessment system and assessment method has wide application value.
Owner:HEBEI UNIVERSITY

Goggles for emergency diagnosis of balance disorders

A system for use by a clinician to perform an emergency diagnosis of a patient for a balance disorder includes a position sensor and an optical sensor that are mounted on a base member. The base member is configured to be fixedly held over the eyes of the patient during a predetermined diagnostic maneuver of the head of the patient. A processor having electronic memory is included which receives outputs from the optical sensor and the position sensor. A set of instructions constituting an eyetracker computer program is processed by the computer. Quantified eye movement data and a video stream signal can be displayed on a visual display that is affixed to the base member for observation by the clinician and recorded in computer readable memory.
Owner:QU YINHONG +1

Household and hospital portable rehabilitation training system and method realizing vestibular rehabilitation based on VR (virtual reality) equipment

PendingCN108648797APhysical therapies and activitiesBalance disturbancesVestibular dysfunction
The invention discloses a household and hospital portable rehabilitation training system and method realizing vestibular rehabilitation based on VR equipment. The training system comprises a scale evaluation module, the VR equipment, a positioning sensor, a training self-evaluation module and a training storage module, the scale evaluation module includes a vertigo and balance disorder scale usedto test the level of condition of a trainee, the VR equipment includes training videos for rehabilitation of vestibular disorder, the training videos are divided into training levels corresponding tothe condition levels, the positioning sensor is connected with both the VR equipment and the training self-evaluation module and used to sense the rehabilitation training condition of different body parts of the trainee and send a sensing result to the self-evaluation module, and the training self-evaluation module provides a self-evaluation score according to the received sensing result. The system can be used both at home and in hospital. The invention also discloses a training method at the same time.
Owner:SUN YAT SEN MEMORIAL HOSPITAL SUN YAT SEN UNIV +1

Photo shooting lighting method and mobile terminal

ActiveCN107995437ASolve technical problems with poor camera effectsIncrease brightnessTelevision system detailsColor television detailsBalance disturbancesEffect light
The invention discloses a mobile terminal. The mobile terminal comprises a memory, a processor and a photo shooting lighting program which is stored on the memory and can run on the processor, whereinthe photo shooting lighting program is executed by the processor through the following steps of detecting ambient brightness when a shooting instruction is detected, judging whether the ambient brightness is smaller than a preset brightness threshold value, and if a judgment result is yes, starting a lighting function to increase the ambient brightness. After the ambient brightness is enhanced, ashot picture is brighter and clearer, and a flash lamp is not needed after the ambient brightness is enhanced, the conditions such as white balance disorder, main body overexposure, dark surroundingand influence of halation on facial expression cannot occur, and the technical problem that photo shooting through the existing mobile terminal is poor in photographing effect under the condition thatthe ambient light intensity is low or the flash lamp is used is solved. The invention further provides a photo shooting lighting method and a computer readable storage medium.
Owner:NUBIA TECHNOLOGY CO LTD

Purse net high-efficient ecological cultivation method

The invention relates to a purse seine cultivation method, in particular to a purse seine high-efficiency ecological cultivation method, which adopts a three-layer three-dimensional mixed cultivation method, wherein the upper layer water body cultivates silver carps; the middle layer water body cultivates Taihu whitefish or squaliobarbus curriculus first, and then cultivates catfish; and the lower layer water body cultivates hemibarbus maculatus bleeker, and leiocassis longirostris or pseudobagrus fulvidraco first, and then cultivates turtle. The method selects proper fish species and breeding density according to the eutrophication degree of the water body and the food habits and the life habits of fishes, does not put feedstuffs, baits or fertilizers into the water body in the whole cultivation process, makes full use of the water body natural resources, changes the waste into valuable and harmful into beneficial, and reduces the water body pollution, thus the cultivation cost of aquatic products is low, the quality of the aquatic products is high, and the economic benefit is good. The method solves the technical problems that most of the prior purse seine cultivation species mainly comprise the fishes which are cultivated with feedstuffs, cause water quality eutrophication to pollute the water body, and cause ecological balance disturbance.
Owner:常州滆湖渔业协会

A method for distinguishing the crowd with balance disorder based on the center of gravity shift model

The invention discloses a method for distinguishing the crowd with balance disorder based on a center of gravity shift model. The method comprises the following steps: firstly, human walking posture video of a normal person and an abnormal person in a built virtual reality scene is collected from 45 DEG; then, the video of normal person and abnormal person is loaded, the video image is extracted into pictures, and then the pictures are processed to obtain the barycenter coordinates of normal person and abnormal person respectively, finally, according to the center of gravity data, the center of gravity angle data and the mean and variance of the upper and lower center of gravity of human body are extracted, and the center of gravity data are classified by SVM classifier, and then combinedwith the center of gravity angle data and the mean and variance of the upper and lower center of gravity of human body, the balance ability disorder crowd is quickly judged. The method disclosed by the invention solves the problems that the traditional subjective method is too coarse and the gauge evaluation method is too complex and the cost is too high, and the video and the image are processedthrough a plurality of steps, and the final classification accuracy rate is above 85%.
Owner:XIAN UNIV OF TECH

Potassium tiopronin as well as preparation and uses thereof

The invention relates to a medicine-potassium tiopronin used for curing acute and chronic hepatopathy, a method for manufacturing the same and the application in medication. The tiopronin is prepared into potassium salt so as to increase the potassium salt supplement for hepatopaths, and thus the electrolyte balance disorder of hepatopaths is adjusted. The manufacturing method comprises the following steps of: adding tiopronin and potassic inorganic base in organic solvent to undergo the acids-bases salifying reaction with sulfhydryl protecting group assisted in the reaction process; adding precipitator in the system to precipitate at the end of reaction; filtering and drying; finally obtaining potassium tiopronin.
Owner:CHANGZHOU NO 4 PHARMA FACTORY

Method for distinguishing human body balance disorders based on gravity center area model under visual stimulation

The invention discloses a method for distinguishing human body balance obstacles based on a gravity center area model under visual stimulation. The method comprises the following steps of firstly shooting a human body walking posture video of a normal person and an abnormal person in an established simulated reality scene according to an angle of 90 degrees with the front face when the human bodywalks; secondly, respectively extracting acquired walking posture videos of the normal person and the abnormal person into pictures, and respectively processing the extracted pictures to obtain upper,middle and lower gravity center coordinate data of the normal person and the abnormal person; and finally, judging and classifying the crowd with the balance ability disorder by combining the gravitycenter area data, the triangular area mean square error, the speed and the track route map. According to the method, the tumbler principle is used for explaining the crowd with the balance obstacle capability through the gravity center area deviation model, so that the balance capability of the crowd or other people is objectively judged, videos and images are processed through a plurality of steps, and the final classification accuracy is ensured to be 86% or above.
Owner:XIAN UNIV OF TECH

Teaching device for simulating PID control and use method

InactiveCN106910378AEasy to adjustRealize the simulation experimentElectrical appliancesBalance disturbancesEngineering
The invention discloses a teaching device for simulating PID control and a use method. The device comprises a balance lever, a state feedback device and a PID controller. A disturbance device is arranged at one end of the balance lever, a disturbance balancing device is disposed at the other end of the balance lever, and the balance lever serves as a balance state observation device. Disturbance is applied through the disturbance device at one end of the balance lever; influences generated by disturbance are fed back through the state feedback device; the disturbance balancing device at the other end of the balance lever is adjusted by the PID controller to balance disturbance, so that the balance lever restores the balance state, and a simulation experiment for PID control is achieved; the teaching device is simple in structure, convenient to use, safe and reliable.
Owner:CHANGZHOU COLLEGE OF INFORMATION TECH

Apparatus and Method for Computerized Rotational Head Impulse Test

A system and associated method for computerized rotational head impulse test (crHIT) to assess the semicircular canals of the human vestibular system clinically in patients with balance disorders. The system utilizes a rotary chair combined with a head mounted VOG system with head tracking sensors. The crHIT protocol uses the same physiologic principles as the known video head impulse test (vHIT). The crHIT utilizes whole-body rotation via the chair to yield a persistent controlled, repeatable, comfortable, reliable stimulus can be delivered while recording eye movements with video-oculogaphy.
Owner:NEUROLIGN USA LLC +2

Method and device for operating a fuel injection device, especially of a motor vehicle

In a method for operating a fuel injection device of a motor vehicle, fuel is conveyed under high pressure into a high-pressure reservoir, the pressure of which is controlled with the aid of a pressure regulation and from which fuel is taken for injection via at least one fuel injection valve under the control of a control device. A control pressure deviation of the pressure in the high-pressure reservoir is detected and the existence of a balance disturbance between quantity of fuel supplied to the high-pressure reservoir and quantity of fuel taken from the high-pressure reservoir is deduced from the control pressure deviation. If a balance disturbance exists, operational influencing of the fuel injection device counteracting the balance disturbance is produced and / or a corresponding report is generated.
Owner:ROBERT BOSCH GMBH

Entecavir kalium, preparation method and application thereof

The invention relates to medicine technical field, in particular to a sylvite compound of entecavir, a relative preparation method and medical application thereof. The invention dissolves entecavir in a tic potash water solution to be reacted, deposits via unit alcohol or ketone with low carbon chains, dries and purifies to obtain the product. The entecavir sylvite has high solubility, for supporting drug preparation and improving drug bioavailability. The entecavir sylvite can improve the sylvite supplementary of hepatopath and adjust electrolyte balance disorder of hepatitis patient, with high clinical value.
Owner:CHANGZHOU NO 4 PHARMA FACTORY

Liposome dimethylcurcumin inhibits activities of dipeptidase I and matrix metalloproteinase-9

The liposome dimethylcurcumin is a liposome-encapsulated dimethylcurcumin (Lipo-DiMC). Dimethyl curcumin is a synthetic curcumin analog with the chemical formula C23H24O6. Compared with curcumin and dimethyl curcumin, Lipo- DiMC has better metabolic stability and is highly water soluble and has a sustained release effect in vivo. In some inflammatory, autoimmune and cancer diseases, Dipeptidyl peptidase (DPPI) and Matrix metalloproteinase (9, MMP-9) are overexpressed, leading to changes in tissue microenvironment and in vivo. Balance disorders and cause cell reproductive disorders. In the ratmodel of collagen induced arthritis (CIA) treated with Lipo-DiMC, Lipo-DiMC alleviated the swelling of the toes of CIA rats and inhibited DPPI and MMP in body fluids, blood and spleen lymphocytes of CIA rats-9 Overexpression of activity. The in vitro rat spleen lymphocyte model further confirmed that Lipo-DiMC inhibited and regulated the DPPI activity and MMP 9 expression and secretion in rat spleen lymphocytes.
Owner:CHANGZHOU UNIV

Foscarnet sodium compositions

The invention provides a new clinical uses for treatment of Th1 / Th2 balance disorder by medicine composition wherein foscarnet sodium as active component, particularly use for Th1 / Th2 balance disorder caused by in treatment of hepatitis b virus.
Owner:CHIA TAI TIANQING PHARMA GRP CO LTD

Preprocessing method for removing nanoscale iron-bearing substance Kelvin balance disturbance

Provided is a preprocessing method for removing nanoscale iron-bearing substance Kelvin balance disturbance. When adsorbent or catalyst with a nanoscale iron-bearing substance adopted carries out measurement on organic content after carrying out adsorbing or catalyzing, due to the fact that iron-bearing colloid of Kelvin equilibrium dissolution enables to-be-measured liquid to present red color, absorption is produced, and measurement on organics by ultraviolet spectrophotometry, gas phrase or liquid phrase color spectrum is disturbed. After a pH value of the to-be-measured liquid is measured, iron-bearing salt is adopted to neutralize electric charge carried by the iron-bearing colloid, a high speed centrifuge of 4000 rpm / min is adopted, after liquid-solid separation is finished, the pH value is modulated back, the solution is sent to be measured, disturbance of the iron-bearing colloid on the measurement is removed, and aluminum saltalum floc does not produce adsorption on the organics and also not change original adsorption of the iron-bearing colloid. The preprocessing method for removing the nanoscale iron-bearing substance Kelvin balance disturbance is easy and convenient to achieve, low in cost, small in error and convenient to operate, and the situations that the measurement on the organics by ultraviolet the spectrophotometry, the gas phrase or the liquid phrase color spectrum is disturbed by the iron-bearing adsorbent or the catalyst Kelvin balance are avoided.
Owner:WUHAN UNIV OF TECH

Medicine for treating stroke and preparation method of medicine

The invention discloses a medicine for treating a stroke and a preparation method of the medicine, and belongs to the field of traditional Chinese medicines. The medicine disclosed by the invention comprises the following effective components: botrychiam ternatum, exocarpium benincasae, poncirus bark, radix scrophulariae, chestnut involucre, uncaria rhynchophylla, herba zephyranthis candidae, schizonepeta, farges fir cone, gastrodia elata, Indian bread hostwood, semen brassicae, alpinia japonica, cortex acanthopanacis, earthworm and benzoin. According to the medicine disclosed by the invention, the selected medicinal materials are appropriate in compatibility, are in complement each other, have the efficacies of clearing away heat and toxic materials, calming liver wind, dispelling wind, removing obstruction in the meridians, inducing resuscitation, refreshing, eliminating phlegm and repelling foulness, and are combined, so that the medicine effect can be through to the lesion position; and the medicine has the advantages of being fast in acting, high in recovery rate, free of a toxic or side effect, safe and convenient on treatment of the symptoms such as facial atrophy balance disorders, carotid plaque, microcirculation disturbance and a cerebrovascular accident caused by the stroke, and is low in price, easy to prepare, and worthy of wide popularization and application in clinical.
Owner:刘慎重

Apparatus and method for computerized rotational head impulse test

A system and associated method for computerized rotational head impulse test (crHIT) to assess the semicircular canals of the human vestibular system clinically in patients with balance disorders. The system utilizes a rotary chair combined with a head mounted VOG system with head tracking sensors. The crHIT protocol uses the same physiologic principles as the known video head impulse test (vHIT). The crHIT utilizes whole-body rotation via the chair to yield a persistent controlled, repeatable, comfortable, reliable stimulus can be delivered while recording eye movements with video-oculogaphy.
Owner:NEUROLIGN USA LLC +2

Anti-disturbance self-balancing water-lubricated thrust bearing support structure

ActiveCN104989726BImprove reliabilityChange the design concept without self-balancing adjustmentSliding contact bearingsEngine lubricationBalance disturbancesNuclear power
The invention relates to an anti-disturbance self-balancing water-lubricated thrust bearing support structure, which is composed of five structures: a limit structure, a support structure, a self-balance structure, a follower structure and a flow channel structure. The present invention adds a self-balancing function, wherein the balance ring has two major features, one is load equalization, that is, when there is a large difference in the load of each thrust pad, the height of each thrust pad can be automatically adjusted to limit the load fluctuation amplitude to ± Within 10%, the running stability of the water-lubricated thrust bearing is improved; the second is the structural continuity, that is, the balance ring is integrally continuous with the upper and lower balance bodies, which improves the reliability of the water-lubricated thrust bearing. The invention ensures that the thrust pad and the thrust disk always keep in contact when the thrust disk moves axially, avoids the dynamic load when the thrust disk of the traditional water lubricated bearing contacts the thrust pad, and reduces the impact on the tile surface material. The invention is suitable for the water-lubricated thrust bearing of the shielded motor of the high-power nuclear main pump of the third-generation nuclear power, and can be widely used in the fields of nuclear power, national defense, chemical industry, ship power and the like.
Owner:HARBIN ELECTRIC POWER EQUIP
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