CN2103990U - Muscular training recovered instrument - Google Patents

Abstract

The utility model relates to a muscular training recovering instrument. A light display and a verticle pointer level indicating meter are combined to send out visual feedback signals, the light display is composed of climbing peak type X-shaped light emitting diodes which are arranged in the staircase way, and an electronic buzzer is matched to send out auditory feedback signals. The utility model can be suitable for the optimal mental states of testees who urgently desire to recover the muscle and obtain ideal effect. The muscular training recovering instrument, having small size, light weight and reliable operation, can be designed into single channel type or dual-channel type and used as the training therapeutic instrument and the testing assessing instrument. The utility model is broadly used in the hospital clinic and the scientific research.

Description

Muscular training recovered instrument

The myoelectricity instrument for exercising and recovering belongs to rehabilitation engineering and section of biomedical engineering field.

The myoelectricity instrument for exercising and recovering is the will control muscle contraction or the limb action of personnel selection, provides the device of level to strengthen improvement and rehabilitation myoelectricity, is a kind of biofeed back instrument of myoelectricity.Domestic and international existing this quasi-instrument, generally the index signal that all adopts the horizontal sweep form is as visual feedback signal, and this mode is not enough intuition concerning patient, can not fully cause patient's psychoreaction, thereby make the effect of biofeedback be subjected to limitation.

Goal of the invention of the present utility model is to transform theoretical and biofeedback theory according to information, carry out a kind of new design, vision and audition are combined, make the instrument test result more directly perceived, can produce and the corresponding to intuition effect of patient's psychoreaction, arouse patient's sensation, and then improve test or training effect.

For realizing such goal of the invention, the inventor is arranged by the instrument surface and corresponding circuit has been done new design, adopt the X-shaped ladder that embodies climbing peak type to arrange the light demonstration that luminescent diode is formed, use the visual feedback signal that combines with the indicating graduation that embodies the vertical pointer level dial gauge of getting promotion continuously to green gradual change color display lamp by redness, on the turnover horizontal line, cooperate the sound equipment that produces by piezoquartz electronics buzzer to form the auditory feedback signal simultaneously.The two resultant effect can adapt to the best mental status of patient's rehabilitation myoelectricity eager desire, thereby can obtain ideal biofeedback effect.

Fig. 1 is the construction profile figure of single channel myoelectricity instrument for exercising and recovering.Be furnished with X-shaped ladder color arrangement display lamp 1 on the panel 2 and vertical pointer level dial gauge 5,3 is a casing, buzzer 4 is installed in the instrument side, wiring board plug in the lead-in wire connecting box of the surface electrode 6 of band amplifier, and electromyographic signal promptly is guided out through surface electrode.Vertical pointer level dial gauge 5 is designed to low value level scale value infra, and high value level scale value is last, and is corresponding with X-shaped ladder color arrangement display lamp 1 by 0 → 10 microvolt → 50 microvolts → 100 microvolts → 150 microvolts → 200 microvolts.The X-shaped ladder is arranged display lamp 1 and is made up of light emitting diode, with habit pass through green for " by ", during red signal indication for " stopping " color that being applied to the panel light emitting diode shows, according to red → pale red → Huang → light green → green color sequences, arrange from bottom to top, form two just, del.During test, the myoelectricity level is high more, and red composition reduces and the increase of green composition, the green that culminates, qualified the passing through of expression myoelectricity rehabilitation.When yellow indicator lamp is bright, corresponding sensing 100 microvolts of the pointer of vertical pointer level dial gauge, buzzer begins to ring this moment, and along with the level indication raises, sound strengthens.According to different objects and purposes,, can adjust initial level and desired value level by adjusting the amplification of electrode.Usually to the equipped EMG-controlling prosthetic hand rehabilitation myoelectricity purposes of deformed limb person, initial level can be 10 microvolts, and the desired value level is 200 microvolts.

Fig. 2 is this utility model single channel circuit theory diagrams.The electromyographic signal that is guided out from surface electrode enters preamplifier, and the signal after the amplification is through capacitor C ₁Send into detector diode D after the filtering for the first time ₁Detection, and then by filter capacitor C ₂Filtering for the second time, signal is divided into two tunnel, one road signal through resistance R then ₁, potentiometer W ₆Send into ammeter and show, another road signal is through resistance R ₂Be input to the input utmost point of integrated circuit.Two integrated circuits have the clear and definite division of labor, the integrated circuit MC in the left side ₁Manage green, light green two row's light emitting diodes, integrated circuit NC in the right side of going up most ₂Manage yellow, pale red, red remaining three row's light emitting diodes.Integrated circuit MC ₁, MC ₂4 feet connect power supply, voltage is the 7.2v unidirectional current, 2 feet and 6 feet meet potentiometer W respectively ₁And W ₂, W ₃And W ₄Mid point, form threshold voltage.3 feet and 5 feet are the electromyographic signal input, when external electromyographic signal during greater than threshold voltage, from NC ₁1 foot and 7 feet output is just arranged through resistance R ₅, R ₆Arrive two and promote pipe BG ₁, BG ₂Base stage, from NC ₂1 foot, 7 feet and 16 feet signal is arranged through resistance R ₇, R ₈, R ₉Arrive and promote pipe BG ₃, BG ₄, BG ₅Base stage, output to diode displaying from these colelctor electrodes that promote pipes.BG ₁Colelctor electrode connect 5 green LEDs, BG ₂Colelctor electrode connect 3 light green color light emitting diodes, BG ₃The colelctor electrode white silk meet a yellow light-emitting diode, BG ₄Colelctor electrode connect 3 pale red light emitting diodes, BG ₅Colelctor electrode connect 5 red light emitting diodes.If electromyographic signal is less than threshold voltage, signal is not just exported, and light emitting diode does not work, so regulator potentiometer W ₁～W ₅, we can obtain different threshold voltages, and under the domination that adds the electromyographic signal power, light emitting diode can be successively luminous successively.BG ₁, BG ₂Emitter stage and BG ₃Emitter stage link to each other BG ₄Emitter stage and BG ₅Emitter stage link to each other BG ₃Colelctor electrode receive a piezoelectric buzzer simultaneously, make it in parallel with yellow indicator lamp.Work as BG ₁, BG ₂, BG ₃When signal output was arranged, buzzer was with regard to corresponding sounding, and signal is strong more, and sound is loud more.D in the circuit ₂Be the current limliting diode.

This utility model is for producing and the corresponding to intuition effect of patient's psychoreaction, the visual feedback signal that has adopted X-shaped ladder arranging light emitting diode to combine with vertical pointer level dial gauge, and the cooperation electronic buzzer is the auditory feedback signal, the two resultant effect, meet the best mental status of patient's rehabilitation myoelectricity eager desire, thereby can obtain ideal biofeedback effect.For the deformed limb person, owing to have an equipped myoelectrically controlled hand, realize the strong row hope of taking care of oneself early, thereby it is also just more remarkable to produce effort, the myoelectricity rehabilitation efficacy of positive will.This instrument can adopt dual pathways circuit and corresponding dual pathways panel arrangement because volume is little, in light weight, and power consumption is little, can test and train two muscle simultaneously.This instrument is a kind of training for treatment instrument of myoelectricity rehabilitation, it is again a kind of test instrument for evaluating of myoelectricity rehabilitation, can be used for treating muscle and nervous system disease, help the equipped EMG-controlling prosthetic hand of deformed limb person, the training that helps the athlete to improve muscle strength and function, and other specific use, can be widely used in hospital clinical and scientific research.

Be an embodiment of the present utility model below.Complete machine adopts left and right sides dual pathways circuit, every single pass panel arrangement such as Fig. 1, and light emitting diode and two vertical pointer level dial gauges of two groups of X-shaped ladder arrangements are symmetrically arranged, and the centre adds a power supply indicator.Each is contained in the case every single channel circuit such as Fig. 2 each port line element on a wiring board.Integrated package NC ₁, NC ₂The model that adopts U.S. Mo Tuoluola semiconductor device company to produce is the integrated circuit of NC14573, diode D ₁, D ₂Use 2AP9, promote pipe BG ₁, BG ₂, BG ₄, BG ₅Adopt 3DG6B, BG ₃With the multiple tube of 3DG6B+3DG130, potentiometer W ₁, W ₂, W ₃, W ₄, W ₅, W ₆All get 10k, capacitor C ₁=C ₂=4.7 μ F, resistance R ₁～R ₉Debugging is determined at 10k between the 50k, piezoquartz electronic buzzer voltage 3v, LED17 forever of light emitting diode, supply voltage 7.2V aneroid battery, the level dial gauge is with 500 μ A ammeters, adopt the myoelectricity surface electrode of general commercially available band pre-amplification circuit, its sensitivity can be 50 microvolts to 100 microvolts, and it is 30,000 times that the secondary of amplifier amplifies general times.

The myoelectricity surface electrode is when test or treatment training, and nationality helps velcro to tie in the belly of muscle position of being tried muscle.Initial myoelectricity level is got 10 microvolts, when experimenter's myoelectricity level surpasses 10 microvolts, end row's red led is bright, excite that the experimenter further trains, the strong will of rehabilitation myoelectricity, when reaching 50 microvolts, second row's light red display lamp is bright, the 3rd row triangle peak, end yellow indicator lamp is bright when reaching 100 microvolts, buzzer sends sound simultaneously, a good turnover appears in expression, and along with the enhancing of myoelectricity, indicator light colors is more and more brighter, to green, expression myoelectricity rehabilitation is accurate to i.e. calibration by light green color.

The present embodiment power consumption has only 0.5W, and overall dimensions is 227 * 158 * 160mm, and volume is little, and is in light weight, functional reliability is high, is convenient to prompt band.Complete machine is designed to dismountable type, is convenient to maintenance.

Claims (1)

1, a kind of myoelectricity instrument for exercising and recovering, be furnished with display lamp 1 and level dial gauge 5 on the panel 2, wiring board plug in the lead-in wire connecting box of surface electrode 6, the case side is equipped with buzzer 4, it is characterized in that, the light emitting diode that panel leds 1 is arranged by the X-shaped ladder is formed, just be arranged in two from bottom to top by red → pale red → Huang → light green → green color sequences, del, level dial gauge 5 is vertical pointer-type, low value level scale value infra, high value level scale value is last, and it is corresponding with X-shaped ladder color arrangement display lamp 1 to press O → 10 → 50 → 100 → 150 → 200 microvolts, and buzzer 4 is in parallel with yellow indicator lamp.

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