Background technology
Electric stimulating instrument is a kind of low-frequency pulse flow-generator, by one group of electrode stimulating and many group muscle, brings out the muscle group motion, realizes similar normal person's autonomic movement, to recover patient's muscle and muscle group function, helps the patient to recover normal motor function.Concrete clinical technology is mainly reflected in the treatment of upper and lower extremities athletic rehabilitation, urinary function rehabilitation, bowel movement function rehabilitation etc.
Existing electricity irritation product all is the electric stimulating instrument at single position.These electricity irritation product categories, the subsides that have the treatment drop foot to use are obeyed in the surface electrode of peroneal nerve and the electric stimulating instrument main frame that matches, long duct electrode and proprietary feature electric stimulating instrument main frame that suitable bladder cavity internal stimulus is also arranged stimulate the pin type implant electrode and the dedicated functionality electric stimulating instrument main frame of sacral nerves in addition.But each the position stimulating electrode and the functional electric stimulation HPI concordance of these electric stimulating instruments are poor, performance indications are single, the stimulating current of an electric stimulating instrument main frame generation can't satisfy the demand of a plurality of kind electrodes, the electronic stimulation of finishing a plurality of positions needs many electric stimulating instrument main frames to match with motor, use inconvenience, for satisfying the treatment of all therapentic parts, the electric stimulating instrument host number that need purchase is many, the cost height.
Existing functional electric stimulation instrument electric current generation technique, all be to drive to produce the pulse stimulating current, this unipolar pulse makes electrode generation electrochemical reaction easily, generation is unfavorable for the material of human body, even may cause human body skin to rot, moreover the unipolar pulse meeting destroys human body from the comprehensive physiological equilibrium of body.
Summary of the invention
Purpose of the present invention just provides the general nerve electric stimulation instrument of bipolarity, and it can be equipped with multiple electrode simultaneously for human body provides the bipolarity stimulating current, for special electrodes provides corresponding bipolarity stimulating current.
The objective of the invention is to realize that by such technical scheme it includes power module, low pressure reduction mu balanced circuit, microcontroller, copped wave booster circuit, H bridge chopper circuit, electrode
And electrode
Power module is the microcontroller power supply by low pressure reduction mu balanced circuit, and be that the copped wave booster circuit is powered, microcontroller sends the Control of Voltage pulse signal to the copped wave booster circuit, and the copped wave booster circuit provides working power for H bridge chopper circuit, and microcontroller sends the first waveform control signal N, n-signal receiving terminal to H bridge chopper circuit, microcontroller sends the second waveform control signal P, to the P signal receiving end of H bridge chopper circuit, electrode
And electrode
Be connected respectively to the positive pulse outfan and the negative pulse outfan of H bridge chopper circuit by interface circuit.
Further, described electric stimulating instrument also includes bluetooth communication that is connected with microcontroller and the LCDs that is connected with microcontroller.
Further, described electric stimulating instrument also includes the man-machine interaction keyboard that is connected with microcontroller.
Further, described electrode
And electrode
Be percutaneous sacral nerve stimulation electrode, percutaneous pudendal nerve electric stimulation electrode, wherein a kind of in scytoblastema nerve electric stimulation electrode and percutaneous vola electric stimulation electrode, the signal stimulus frequency of H bridge chopper circuit output is less than 30Hz, intensity is less than 20mA, pulse width is 0.2ms, and positive pulse and negative pulse ratio are 1:1.
Further, described electrode
And electrode
Be the perineum electric stimulation electrode, the signal stimulus frequency of H bridge chopper circuit output is less than 30Hz, and intensity is less than 10mA, and pulse width is 0.04~0.2ms, and positive pulse and negative pulse ratio are 1:1.
Further, described electrode
And electrode
Be the anorectum electric stimulation electrode, the signal stimulus frequency of H bridge chopper circuit output is 20~40Hz, and intensity is less than 25mA, and pulse width is 0.05~0.1ms, and positive pulse and negative pulse ratio are 1:1.
Further, described electrode
And electrode
Be penis or dorsal nerve of clitoris electric stimulation electrode, the signal stimulus frequency of H bridge chopper circuit output is less than 5Hz, and intensity is less than 30mA, and pulse width is 0.2ms, and positive pulse and negative pulse ratio are 1:1.
Further, described electrode
And electrode
Be the intravesical electric stimulation electrode, the signal stimulus frequency of H bridge chopper circuit output is less than 10~50Hz, and intensity is less than 30mA, and pulse width is 1ms, and positive pulse and negative pulse ratio are 1:1.
Further, described electrode
And electrode
Be the vagina electric stimulation electrode, the signal stimulus frequency of H bridge chopper circuit output is less than 20~40Hz, and intensity is less than 10mA, and pulse width is 1ms, and positive pulse and negative pulse ratio are 1:1.
Further, described electrode
And electrode
Be percutaneous peroneal nerve electric stimulation electrode, the signal stimulus frequency of H bridge chopper circuit output is less than 20~45Hz, and intensity is less than 10mA, and pulse width is 0.1~1ms, and positive pulse and negative pulse ratio are 1:1.
Owing to adopted technique scheme, the present invention to have following advantage:
The present invention is by regulating size, stimulus frequency, positive negative pulse stuffing ratio and the pulse width that microprocessor is the bipolarity stimulating current of may command H bridge chopper circuit output, after having determined therapentic part, select corresponding electrode, be connected with H bridge chopper circuit outfan by interface circuit, obtain corresponding bipolarity stimulating current by regulating microprocessor again, just can realize human body therapy.Solve an electric stimulating instrument effectively and can only be used for the problem that treat at a position, reduced acquisition cost the time easy to use significantly.
Other advantages of the present invention, target and feature will be set forth to a certain extent in the following description, and to a certain extent, based on being conspicuous to those skilled in the art, perhaps can obtain instruction from the practice of the present invention to investigating hereinafter.Target of the present invention and other advantages can realize and obtain by following description and claims.
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples.
The general nerve electric stimulation instrument of bipolarity includes power module, low pressure reduction mu balanced circuit, microcontroller, copped wave booster circuit, H bridge chopper circuit, electrode
And electrode
Power module is the microcontroller power supply by low pressure reduction mu balanced circuit, and be that the copped wave booster circuit is powered, microcontroller sends the Control of Voltage pulse signal to the copped wave booster circuit, and the copped wave booster circuit provides working power for H bridge chopper circuit, and microcontroller sends the first waveform control signal N, n-signal receiving terminal to H bridge chopper circuit, microcontroller sends the second waveform control signal P, to the P signal receiving end of H bridge chopper circuit, electrode
And electrode
Be connected respectively to the positive pulse outfan and the negative pulse outfan of H bridge chopper circuit by interface circuit.
During work, microprocessor generates the first waveform control signal N and the second waveform control signal P input as H bridge chopper circuit, handle back output bipolarity stimulating current through H bridge chopper circuit, circuit characteristic according to H bridge chopper circuit, pulse width and the positive negative pulse stuffing ratio of the bipolarity stimulating current of output is by becoming the first waveform control signal N and the second waveform control signal P to determine, the size of the bipolarity stimulating current of output is by the size decision of working power, circuit characteristic according to the copped wave booster circuit, by regulating the dutycycle of the Control of Voltage pulse signal that microprocessor generates, can control the size of the working power of copped wave booster circuit output.
Whole therapeutic process is divided into a plurality of working cycle, and the working cycle includes burst length section T1 and Dead Time section T2.In burst length section T1, microprocessor produces and exports the first waveform control signal N and the second waveform control signal P; In Dead Time section T2, microprocessor does not produce signal.According to the treatment demand, can regulating impulse time period T1 and the time length of Dead Time section T2.
In burst length section T1, export different bipolarity stimulating currents with the second waveform control signal P by regulating the first waveform control signal N.The first waveform control signal N and the second waveform control signal P are positive pulse signal, during first waveform control signal N output high level, the second waveform control signal P is output as zero potential, otherwise during second waveform control signal P output high level, the first waveform control signal N is a zero potential.H bridge chopper circuit is a prior art, and the circuit characteristic of H bridge chopper circuit has determined the relation of waveform control signal and bipolarity stimulating current, as shown in Figure 2.The pulse width of bipolarity stimulating current is by the pulse width decision of the first waveform control signal N and the second waveform control signal P, and the positive negative pulse stuffing ratio of bipolarity stimulating current is by the waveform decision of the first waveform control signal N and the second waveform control signal P.
Described electric stimulating instrument also includes the bluetooth communication that is connected with microcontroller, the LCDs that is connected with microcontroller and the man-machine interaction keyboard that is connected with microcontroller.Bluetooth communication is used for and the communicating by letter of intelligent terminal such as mobile phone, panel computer, and the intelligent terminal can regulate the ginseng setting of microprocessor.Display screen is used to show with the man-machine interaction keyboard to be the human-computer interaction interface of microcontroller, and LCDs is used to show information such as pulse width, stimulus frequency, current intensity and bipolarity waveform catalog.
When H bridge chopper circuit connected different electrode, signal stimulus frequency signal intensity, pulse width and the positive negative pulse stuffing of H bridge chopper circuit output was than all different.
Electrode
And electrode
Be percutaneous sacral nerve stimulation electrode, percutaneous pudendal nerve electric stimulation electrode, wherein a kind of in scytoblastema nerve electric stimulation electrode and percutaneous vola electric stimulation electrode, the signal stimulus frequency of H bridge chopper circuit output is less than 30Hz, intensity is less than 20mA, pulse width is 0.2ms, and positive pulse and negative pulse ratio are 1:1.
Electrode
And electrode
Be the perineum electric stimulation electrode, the signal stimulus frequency of H bridge chopper circuit output is less than 30Hz, and intensity is less than 10mA, and pulse width is 0.04~0.2ms, and positive pulse and negative pulse ratio are 1:1.
Electrode
And electrode
Be the anorectum electric stimulation electrode, the signal stimulus frequency of H bridge chopper circuit output is 20~40Hz, and intensity is less than 25mA, and pulse width is 0.05~0.1ms, and positive pulse and negative pulse ratio are 1:1.
Electrode
And electrode
Be penis or dorsal nerve of clitoris electric stimulation electrode, the signal stimulus frequency of H bridge chopper circuit output is less than 5Hz, and intensity is less than 30mA, and pulse width is 0.2ms, and positive pulse and negative pulse ratio are 1:1.
Electrode
And electrode
Be the intravesical electric stimulation electrode, the signal stimulus frequency of H bridge chopper circuit output is less than 10~50Hz, and intensity is less than 30mA, and pulse width is 1ms, and positive pulse and negative pulse ratio are 1:1.
Electrode
And electrode
Be the vagina electric stimulation electrode, the signal stimulus frequency of H bridge chopper circuit output is less than 20~40Hz, and intensity is less than 10mA, and pulse width is 1ms, and positive pulse and negative pulse ratio are 1:1.
Electrode
And electrode
Be percutaneous peroneal nerve electric stimulation electrode, the signal stimulus frequency of H bridge chopper circuit output is less than 20~45Hz, and intensity is less than 10mA, and pulse width is 0.1~1ms, and positive pulse and negative pulse ratio are 1:1.
Explanation is at last, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not breaking away from the aim and the scope of the technical program, it all should be encompassed in the middle of the claim scope of the present invention.