Computer medium-frequency electrotherapy
Technical field
This utility model relates to a kind of mid-frequency treatment device that is used for the electric current of intermediate frequency therapy, and is particularly a kind of by microcomputer-controlled computer medium-frequency electrotherapy.
Background technology
The electric current of intermediate frequency therapy starts from twentieth century.Interference current therapy (fifties wherein, Austria Hans Nemec), sinusoidal current modulation frequency therapy (sixties, Soviet Union RCHOTOPORCKNN) and the intermediate frequency waveform in the audio frequency-current therapy (end of the sixties, Chinese Yang Guoliang) and low frequency modulations waveform thereof all be sinusoidal wave.Sine-wave current is a kind of simple simple harmonic oscillation electric current, its principle and therapeutical effect depend primarily on the conversion of the size of frequency and frequency with alternately, thereby sine wave is not the optimum waveform of stimulating current.
The frequency of intermediate frequency therapy apparatus and the generation of waveform use discrete electronic component or linear integrated circuit to realize at first.Twentieth century plays existing digital circuit and the microprocessor of adopting the eighties and controls, the instrument that is achieved by D/A switch.Having retrieved DRP DE3335849, is that frequency and waveform data are placed among the ROM, and data output after the D/A conversion is taken out in the address of enumerator visit ROM.This instrument can only be used for interference current therapy, does not have programme-control output.Another DRP DE 3301622 also is with numerical control amplitude and waveform, and the memory of storage treatment plan is arranged, but frequency, the waveform catalog of its output are few, and are that (frequency<1000Hz), the treatment penetration is poor for a kind of low frequency electric therapeutic instrument, only act on skin surface, therapeutic effect is undesirable.U.S. Pat 4424812 is a kind of by microprocessor control implantable Programmable stimulator, belongs to the stimulator of low frequency category.The multifunction electric stimulator of a kind of microprocessor control that U.S. MULTI-STIMJOANCO produces can only be exported a kind of sinusoidal current modulation frequency, no automatic program control function.
The eighties, Chinese invention patent CN85107310B has disclosed a kind of computer electric therapeutic instrument, uses early stage microcontroller, cooperates loaded down with trivial details a large amount of peripheral circuit to control, and has used intermediate frequency technology and waveform correlation and has changed.But because its treatment prescription is few, therapeutic modality is few, and internal control changes also few, though make progress to some extent than the therapeutic effect of external prior art, still not ideal enough.In order all to distinguish at different patients, different diseases, the site of disease that one or more patient is different, different treatment intensity etc. or to bring into play therapeutical effect simultaneously, this utility model uses modern Microcomputer Technology, adopt multiple low-frequency pulse waveform modulated medium frequency, constitute the current therapy of low-frequency pulse modulated medium frequency multistep program prescription, invented computer medium-frequency electrotherapy.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art and defective, proposes a kind of employing microcomputer control, implements the computer medium-frequency electrotherapy of the low-frequency pulse modulating frequency current therapy of this utility model people proposition.This computer medium-frequency electrotherapy can be done multistep program electric current of intermediate frequency therapy, audio frequency-current therapy, sinusoidal current modulation frequency therapy, medium frequency pulse modulation stream therapy, static state or dynamic disturbance electric current therapy etc.IF-FRE and low frequency modulations wave frequency wider range, but modulating wave waveform, modulation amplitude, modulation system combination in any.Can the electric current of intermediate frequency Wave data be stored in the memory with the prescription form coding according to clinical treatment experience, prescription Automatic Program output during treatment, computer Automatic Control treatment procedure is operated accurately easy.
For reaching above-mentioned purpose, this utility model provides a kind of computer medium-frequency electrotherapy, and it comprises:
One shell is the housing that a usefulness metallic plate or plastics are made, and an on and off switch is arranged on it, and 1~20 display device, 1~20 adjusting part and 1~20 output plughole are arranged on its panel, and corresponding one by one separately; 1~20 mainboard places in the shell; One Switching Power Supply places in the shell, and its input is connected with on and off switch, and the power input of its outfan and described 1~20 mainboard is connected in parallel; 1~20 transformator places in the shell, and its each input is connected with the outfan of described 1~20 mainboard respectively, and its each outfan is connected with 1~20 output plughole on the described housing face-plate respectively; 1~20 pair of pole plate and the lead that links to each other, the lead termination of every pair of pole plate is a plug, this plug is connected with output plughole on the described shell.
Described each mainboard further comprises:
One data take place and centralized control unit; One D/A converting unit, its input takes place with described data with control bus by data/address bus and centralized control unit is connected; One dash adjustment unit, its input is connected with the outfan of described D/A converting unit; One power amplification unit, its input is connected with the unitary outfan of described dash adjustment; One balance output unit, its input is connected with the outfan of described power amplification unit; One short circuit disconnects protected location, places the outfan of described balance output unit.
Described data take place and centralized control unit comprises a microcomputer and a sound equipment cue circuit.
Described data take place and centralized control unit comprises a microcomputer and the peripheral chip that links to each other with control bus by data/address bus, and a sound equipment cue circuit.
Described peripheral chip is selected from one of them or its combination of data storage, programmable counter, decoding circuit, program storage.
Described short circuit disconnect that protected location is selected from the current/voltage detection components, current/voltage detects and disconnect assembly the two one of.
The current/voltage detection components that described short circuit disconnects in the protected location further comprises:
Rectification circuit, wherein, the current commutates circuit is connected in the loop of balance output unit, and voltage rectifying circuit is connected in parallel in the loop of balance output unit; The voltage subtraction circuit, its input is connected the outfan of rectification circuit, and it comprises placed in-line current-limiting resistance and two diodes; Buffer circuit, it comprises photoisolator and current-limiting resistance, its input is connected the outfan of described voltage subtraction circuit; Shaping circuit is Schmidt's NAND gate, and its input is connected with described buffer circuit output, and its outfan is connected to described data and takes place and centralized control unit.
Described short circuit disconnect current/voltage in the protected location detect and disconnect assembly be output with described current/voltage detection components be connected to or door, with or door after connect relay, be connected to described data simultaneously and take place and centralized control unit.
The advantage and the effect of computer medium-frequency electrotherapy of the present utility model are, use this utility model can implement low-frequency pulse modulating frequency current therapy, electric current of intermediate frequency after the multiple low-frequency pulse modulation is a kind of multi resonant electric oscillation, contain abundant harmonic wave composition, can produce multiple continuous variation electricity irritation massage and electromotor stimulation to human body, simulate maneuvers such as expert's acupuncture, massage, make its therapeutic effect more much better than single sine wave.This computer medium-frequency electrotherapy can be done multistep program electric current of intermediate frequency therapy, audio frequency-current therapy, sinusoidal current modulation frequency therapy, medium frequency pulse modulation stream therapy, static state or dynamic disturbance electric current therapy etc.IF-FRE and low frequency modulations wave frequency wider range, but modulating wave waveform, modulation amplitude, modulation system combination in any.Can the electric current of intermediate frequency Wave data be stored in the memory with the prescription form coding according to clinical treatment experience, prescription Automatic Program output during treatment, computer Automatic Control treatment procedure is operated accurately easy.Prove through clinical practice, the synthetic electric current of intermediate frequency of multiple low-frequency pulse, act on human body by electrode, make the patient pushed away, taken, by, push, pull out, strike, multiple electricity irritation massaging feel such as rolling, chatter, analgesia, antiinflammatory, blood circulation promoting are had positive effect.Sprain, dampen acute and chronic, various soft tissue injurys, sclerotin injury, nervous system injury, cervical spondylosis, scapulohumeral periarthritis, lumbago and backache, arthritis, commonly encountered diseases such as neuralgia, frequently-occurring disease all have good curative effect.
Description of drawings
Figure 1A is the schematic perspective view of this utility model embodiment one;
Figure 1B is the left side sketch map of this utility model embodiment one shown in Figure 1A;
Fig. 2 A is the schematic perspective view of this utility model embodiment two;
Fig. 2 B is the right tiltedly rear schematic perspective view of this utility model embodiment two shown in Fig. 2 A;
Fig. 2 C is the sketch map of a kind of square-shaped electrode plate of this utility model embodiment two shown in Fig. 2 A;
Fig. 2 D is the sketch map of a kind of circular electrode plates of this utility model embodiment two shown in Fig. 2 A;
Fig. 3 is the schematic perspective view of this utility model embodiment three;
Fig. 4 is a mainboard composition frame chart of the present utility model;
Fig. 5 is that short circuit of the present utility model disconnects the protected location block diagram;
Fig. 6 is the circuit theory diagrams that short circuit of the present utility model disconnects protected location.
The specific embodiment
Describe the specific embodiment of the present utility model in detail below in conjunction with drawings and Examples.
Shown in Figure 1A and Figure 1B, schematic perspective view and left side sketch map for this utility model embodiment one, it provides a kind of the computer medium-frequency electrotherapy with passage output, it comprises: a shell 1, it is the housing that a usefulness metallic plate or plastics are made, there is an on and off switch 11 its side, 1 display device 12 is arranged on its panel, show selected prescription number, 1 adjusting part 13 and 1 output plughole 14, and corresponding one by one separately, adjusting part 13 comprises prescription selection key 131 and treatment intensity selection knob 132; 1 mainboard 2 places in the shell 1; One Switching Power Supply 3 places in the shell 1, and its input is connected with on and off switch 11, and the power input of its outfan and described 1 mainboard 2 is connected in parallel; 1 transformator 4 places in the shell 1, and its input is connected with the outfan of described 1 mainboard 2, and its outfan is connected with 1 output plughole 14 on the described housing face-plate; 1 pair of pole plate 5 and the lead 51 (asking simultaneously) that links to each other referring to Fig. 2 C and Fig. 2 D, lead 51 terminations of every pair of pole plate 5 are plug 52, this plug 52 is connected with output plughole 14 on the described shell 1, according to different therapentic parts, can select for use vary in size, variform various pole plates, be depicted as less circular pole plate as Fig. 2 C, be depicted as bigger square pole plate as Fig. 2 D.
Please refer to shown in Figure 4ly, described each mainboard 2 further comprises:
One data take place and centralized control unit 21; One D/A converting unit 22, its input takes place with described data with control bus by data/address bus and centralized control unit 21 is connected; One dash adjustment unit 23, its input is connected with the outfan of described D/A converting unit 22; One power amplification unit 24, its input is connected with the outfan of described dash adjustment unit 23; One balance output unit 25, its input is connected with the outfan of described power amplification unit 24; One short circuit disconnects protected location 26, places the outfan of described balance output unit 25.
Described data take place and centralized control unit 21 comprises a microcomputer and a sound equipment cue circuit.
Described data take place and centralized control unit 21 comprises a microcomputer and the peripheral chip that links to each other with control bus by data/address bus, and a sound equipment cue circuit.
Described peripheral chip is selected from one of them or its combination of data storage, program storage, programmable counter, decoding circuit.
Described short circuit disconnect that protected location 26 is selected from the current/voltage detection components, current/voltage detects and disconnect assembly the two one of.
Please refer to Fig. 5 and shown in Figure 6, the current/voltage detection components that described short circuit disconnects in the protected location 26 further comprises:
Rectification circuit, wherein, the current commutates circuit is connected in the loop of balance output unit 25, and voltage rectifying circuit is connected in parallel in the loop of balance output unit 25; The voltage subtraction circuit, its input is connected the outfan of rectification circuit, and it comprises placed in-line current-limiting resistance and two diodes; Buffer circuit, it comprises photoisolator and current-limiting resistance, its input is connected the outfan of described voltage subtraction circuit; Shaping circuit is Schmidt's NAND gate, and its input is connected with described buffer circuit output, and its outfan is connected to described data and takes place and centralized control unit 21.
Described short circuit disconnect current/voltage in the protected location 26 detect and disconnect assembly be output with described current/voltage detection components be connected to or door, with or door after connect relay, be connected to described data simultaneously and take place and centralized control unit 21.
Shown in Fig. 2 A and Fig. 2 B, schematic perspective view and right tiltedly rear schematic perspective view for this utility model embodiment two, it provides a kind of computer medium-frequency electrotherapy with dual pathways output, it comprises: a shell 1, it is the housing that a usefulness metallic plate or plastics are made, the left surface of one on and off switch 11 at Fig. 2 A arranged on it, not shown, 2 display devices 12 are arranged on its panel, be a liquid crystal display frame among the figure, two display devices are wherein arranged, 2 adjusting parts 13 and 2 output plugholes 14, and corresponding one by one separately, its adjusting part 13 comprises prescription selection key group 131 ' and treatment intensity selection key group 132 '; 2 mainboards place in the shell 1; One Switching Power Supply places in the shell 1, and its input is connected with on and off switch 11, and the power input of its outfan and described 2 mainboards is connected in parallel; 2 transformators place in the shell 1, and its each input is connected with the outfan of described 2 mainboards respectively, and its each outfan is connected with 2 output plugholes 14 on the described shell 1 respectively; 2 pairs of pole plates 5, lead 51 terminations of every pair of pole plate 5 are plug 52, this plug 52 is connected with output plughole 14 on the described shell 1, shown in Fig. 2 C and Fig. 2 D.
The circuit formation of the composition of each mainboard and short circuit disconnection protected location 26 is the same with embodiment's one, does not repeat them here.This computer medium-frequency electrotherapy with dual pathways output has two pairs of pole plates 5, can be used for two patients' treatment simultaneously, also can be used for the treatment of two different parts of same patient.
As shown in Figure 3, schematic perspective view for this utility model embodiment three, it provides a kind of computer medium-frequency electrotherapy with eight passage outputs, it comprises: a shell 1, be the housing that a usefulness metallic plate or plastics are made, an on and off switch 11 is arranged on it, 12,8 adjusting parts 13 of 8 display devices and 8 output plugholes 14 are arranged on its panel, and corresponding one by one separately, its adjusting part 13 comprises prescription selection key group 131 ' and treatment intensity selection key group 132 '; 8 mainboards place in the shell 1; One Switching Power Supply places in the shell 1, and its input is connected with on and off switch 11, and the power input of its outfan and described 8 mainboards is connected in parallel; 8 transformators place in the shell 1, and its each input is connected with the outfan of described 8 mainboards respectively, and its each outfan is connected with 8 output plugholes 14 on the described shell 1 respectively; 8 pairs of pole plates, lead 51 terminations of every pair of pole plate 5 are plug 52, this plug 52 is connected with output plughole 14 on the described shell 1.
This computer medium-frequency electrotherapy with eight passage outputs has eight pairs of pole plates 5, can be used for eight patients' treatment simultaneously, also can be used for the treatment of a plurality of different parts of a plurality of patients, can be according to patient's state of an illness needs, select a pair of pole plate or many flexibly for use, to give full play to the effect of this computer medium-frequency electrotherapy to pole plate.Certainly, can also provide the computer medium-frequency electrotherapy with more a plurality of passage outputs, mostly be 20 most, its basic structure and circuit constitute with the computer medium-frequency electrotherapy of eight passage outputs similar, just describe in detail no longer one by one at this.