CN1037458A - The microcomputer mid-frequency treatment device - Google Patents

The microcomputer mid-frequency treatment device Download PDF

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CN1037458A
CN1037458A CN 88102656 CN88102656A CN1037458A CN 1037458 A CN1037458 A CN 1037458A CN 88102656 CN88102656 CN 88102656 CN 88102656 A CN88102656 A CN 88102656A CN 1037458 A CN1037458 A CN 1037458A
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frequency
mid
microcomputer
treatment device
prescription
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CN1009428B (en
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林世德
罗长力
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Beijing Yuquan Hospital Ministry Of Machine-Building And Electronics Industry (
PLA AIR FORCE GENERAL HOSPITAL
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Beijing Yuquan Hospital Ministry Of Machine-Building And Electronics Industry (
PLA AIR FORCE GENERAL HOSPITAL
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Publication of CN1037458A publication Critical patent/CN1037458A/en
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Abstract

Microcomputer mid-frequency treatment device of the present invention, the pure electric current of intermediate frequency of the modulating frequency current of exportable 8 kinds of waveforms and three kinds of different amplitudes adopts the multistep program prescribed treatment of expansion, directly realizes numerical control modulation and steering D/A conversion on a D/A changer.By external positive and negative 6 volts of DC power supplies.The generation of low frequency modulations frequency and waveform adopts the several characteristic amount to determine.All the treatment operation only just can be finished with an operated key and an adjusting knob.

Description

The microcomputer mid-frequency treatment device
In general the present invention relates to electrotherapy apparatus, the present invention specifically is a kind of microcomputer mid-frequency treatment device.
In the low mid-frequency current therapy method that the application conductive electric current is treated human body, traditional notion is with the treatment of the electric current below the applying frequency 1000Hz, is called low frequency impulse current therapy; The electric current treatment of applying frequency 1-100KHz is called the electric current of intermediate frequency therapy.The history that the electric current of intermediate frequency therapy is used is shorter, and the main at present frequency range of using is the 1-10KHz frequency range.The characteristics that electric current of intermediate frequency is used are that the Skin Resistance of human body is low, the skin sense is comfortable, can use bigger electric current density, so electric current of intermediate frequency can reach the darker position of tissue, synthetic electric current of intermediate frequency then has the characteristics of low frequency and electric current of intermediate frequency treatment concurrently, thereby has good clinical therapeutic efficacy.
Chinese patent 85107310, denomination of invention be the computer electric therapeutic instrument be a kind of multi-functional electric current of intermediate frequency therapeutic equipment, can export multiple different modulation waveform, can be in advance work out a kind of multistep program prescription and treat according to therapeutic regimen.Prescription procedure auto-control output during treatment, the intermediate frequency of this instrument and low frequency frequency obtain by clock division, and multiple waveform obtains by steering D/A conversion, and this is the most perfect a kind of electric current of intermediate frequency therapeutic equipments of performance so far.But this instrument remains in following shortcoming, at first its hardware configuration and the equal more complicated of operation sequence software; Its modulation system is still continued to use traditional method, be with an analog multiplier; It will treat operation with 30 keyboards; Its software need account for the memory headroom of 2K byte; Its prescription program software also haves much room for improvement.This instrument price is higher, and volume is big, is unsuitable for applying more widely, particularly is not suitable for using for household person.
The objective of the invention is to attempt the hardware configuration of the computer electric therapeutic instrument of present this function admirable and operation sequence software are simplified, volume microminiaturization with instrument, improve the program software of prescription, make computer medium-frequency electrotherapy not only be fit to hospital and use, and suitable family uses with the individual.Compare with the computer electric therapeutic instrument of Chinese patent 85107310, volume-diminished 85% of the present invention, weight reduce 92%, and it is about 70% that hardware configuration has been simplified, the operation sequence software reduction about 60%.
Summarily say: the present invention has the substantive improved aspect of creating, mainly be: it is the operational approach that needs the dozens of keyboard, be reduced to only with a key and an output current adjusting knob, promptly can finish all operations, make any household person that does not possess specialized training all can use the present invention to treat very easily; It adopts the multistep program prescribed treatment of expansion, and promptly the prescription program is three grades of loop nestings, and the program step of will writing out a prescription has greatly increased, and reaches No255 3More than inferior; The modulation waveform of output is increased to 8 kinds from 5 kinds of Chinese patent 85107310 computer electric therapeutic instrument, and wherein three kinds of waveforms needn't take the memory space of Wave data, but by a kind of simple wave-path preface realization; Can also export three kinds of unmodulated pure electric current of intermediate frequency in addition; It has changed the method for in the past carrying out amplitude modulation(PAM) with analog multiplier, directly realizes the numerical control modulation in the D/A changer; The method for generation of its low frequency modulations frequency f 1 changes into a better simply operation sequence software and finishing, and waveform, cycle and the periodicity of modulating wave promptly takes place by the decision of several characteristic modulus; It also adopts an independently generation of square-wave generator realization IF-FRE; Its main frame is what to separate with power supply, and main frame has increased the safety of treatment with positive and negative 6 volts of power supplies.
The present invention can export synthetic or unmodulated electric current of intermediate frequency.Be to select accordingly according to different treatment needs that " prescription " carries out for use during use.And the prescription program is stored in the memory, exports the wave mode series of a certain prescription once begin follow procedure automatically by start key, cuts off output current when treatment finishes automatically.
Below in conjunction with accompanying drawing, by description, will make the present invention be more prone to be understood by the public to a specific embodiment, wherein each accompanying drawing is respectively:
Fig. 1 is the schematic block circuit diagram of an embodiment of microcomputer mid-frequency treatment device of the present invention;
Fig. 2 is the eight kinds of modulation waveforms of an embodiment of microcomputer mid-frequency treatment device of the present invention and the oscillogram of three kinds of unmodulated intermediate frequency waveforms;
Fig. 3 is the initial orders flow chart of an embodiment of microcomputer mid-frequency treatment device of the present invention;
Fig. 4 is the prescription handling procedure flow chart of the treatment prescription place page of an embodiment of microcomputer mid-frequency treatment device of the present invention;
Fig. 5 is the start-up routine flow chart of an embodiment of microcomputer mid-frequency treatment device of the present invention;
Fig. 6 is the flow chart of waveform generation program of an embodiment of microcomputer mid-frequency treatment device of the present invention;
Fig. 7 is the flow chart of time control sequence of an embodiment of microcomputer mid-frequency treatment device of the present invention;
Fig. 8 is the shape assumption diagram of microcomputer mid-frequency treatment device of the present invention.
Referring now to Fig. 1, principle of the present invention is given brief description.Fig. 1-1 is a digital display tube, in order to the prescription that shows 1-FH number.Fig. 1-2 is 8 one chip microcomputers, and it contains 128 bytes of random memory ram, is control assembly.Fig. 1-3 is that a prescription is selected and the button that starts.Fig. 1-the 4th, the erasable programmable read-only memory (EPROM) of storage operation sequence and prescription program.Fig. 1-the 5th, another sheet erasable programmable read-only memory (EPROM) of storage waveform coding data.Fig. 1-6 is square-wave generators, and it produces the intermediate frequency carrier frequency of 2.1KHz, and this kind produces the method for IF-FRE, and hardware configuration is simple, does not take the operation sequence memory space, and can holding frequency stablize.Fig. 1-7 is D/A changers, and it has amplitude modulation and steering D/A conversion dual-use function concurrently.Fig. 1-8 is power amplifiers, is exportable the treatment after the electric current of intermediate frequency process power amplification of treatment and the impedance matching conversion.
Operation sequence of the present invention and prescription program sharing a slice EPROM(Fig. 1-4), the former accounts for 3 pages, the latter accounts for 5 pages, the memory space that each prescription program takies can be a page, also can several prescription programs take a page altogether, but a prescription program must not be striden 2 pages, and this device can be established 15 prescriptions at most.Prescription is programmed to three grades of loop nestings.Even establish a partial circulating identification code, partial circulating amount (NA) and partial circulating return address earlier, constitute partial circulating in the wave mode series of step (No).Establish the identification code that circulates in another, middle circulating load (NB) and middle circulation return address after some partial circulatings, circulate in the formation.Establish a systemic circulation identification code, big cycle volume (NC) and systemic circulation return address in some after the circulation, constitute systemic circulation.These three kinds of circulation circulating loads all can be 1-255 time.Thereby in theory, the step of this treatment prescription program can reach NO255 3Inferior.
The modulation waveform that the present invention exported has: 8 kinds of preceding sawtooth waveforms (Fig. 2-1), back sawtooth waveforms (Fig. 2-2), square wave (Fig. 2-3), exponential wave (Fig. 2-4), sharp wave (Fig. 2-5), triangular wave (Fig. 2-6), sinusoidal wave (Fig. 2-7), staircase waveform (Fig. 2-8).First three plants waveform is independently to be finished by one of the machine special simple wave-path preface of sending out, and does not take the memory capacity of EPROM.This equipment is also exported the unmodulated electric current of intermediate frequency that three kinds of waveforms are bi-directional square wave, and promptly amplitude is that 100% constant amplitude intermediate wave (Fig. 2-9), amplitude are that 75% constant amplitude intermediate wave (Fig. 2-10), amplitude are 50% constant amplitude intermediate wave (Fig. 2-11).A slice EPROM(Fig. 1-5 is arranged) in order to deposit the coded data of back 5 kinds of modulation waveforms and three kinds of unmodulated constant amplitude intermediate frequency waveforms.Computer is read Wave data from EPROM, after amount of delay is carried out time-delay in the prescription, its value is directly delivered to the D/A changer, and the 2.1KHz intermediate frequency reference voltage VREF that delivers to simultaneously among the D/A is directly carried out numerical control amplitude modulation and steering D/A conversion.This synthetic method is substantial improvement of the present invention, and the generation that it has changed modulating frequency current in the past must need the method for the manipulator (as a kind of analog multiplier) of a double-side band.
The low frequency modulations frequency of this device output 0.1Hz-100Hz.According to frequency and cycle relation reciprocal each other, promptly frequency equals periods per second.The low frequency modulations frequency f of this device 1Take to finish that the method for the periodicity that several waveforms take place realizes.As f 1=10Hz, promptly per second sends 10 waveforms.In order to discern different waveforms and the quantity that different low frequency modulations waveform frequencies and transmission waveform take place, adopted following 4 characteristic quantities: (1) swung dash, the waveform numbering of each modulation waveform or constant amplitude intermediate wave is discerned with a byte data.(2) μ s entry address, i.e. time-delay part in the waveform generation program has four different time-delay inlets, and they can be divided into time-delay 30 μ s; 32.5 μ s; 35 μ s, 37.5 μ s.(3) n modulus, i.e. the time-delay sub-quantity of 10 μ s or 1ms.In this programme, one-period is divided into 250 points, the time between 2 is to be Δ t, i.e. T cycle=250 Δ t
Figure 881026565_IMG4
(when frequency is less than or equal to 1Hz)
As long as n modulus in above two characteristic quantities and μ s entry address one determine, the time quantum of Δ t just determined, thereby according to the relation of T cycle=250 Δ t, the T cycle just has been determined, and promptly realizes taking place the purpose of the low frequency modulations frequency f 1 determined.Should illustrate that this programme main feature is to guarantee that the periodicity of the waveform that sends is accurate, the actual value of frequency f 1 allows certain error, this is because each period T has the cause of certain amount of delay, at the low side of frequency f 1, below 10Hz, the error of frequency is very little, can ignore, high-end in frequency f 1, as 100Hz, this frequency error is no more than 3%, and this range of error is can not influence therapeutic effect in the high-end appearance of frequency.(4) i.e. this waveform periodicity that need take place of T value is determined it with 2 bytes (T low level, a T high position).
Below the several program flow diagrams of our reuse enforcement of the present invention is done the conclusion explanation of a summary.Fig. 3 is an initial orders flow chart.Start back computer enters initial orders, carries out initialization operation, comprising the relevant register zero clearing, power is exported zero setting, opens and gives the configuration state display lamp, shows prescription number.Enter then and seek bonded state, when not having key assignments, continue to show prescription number; When key assignments, judge whether key lifts, pick up (key is arranged) if find key, do you continue to judge button time t key 〉=0.5S? if t is key<0.5S, carry out demonstration place master and number add 1, and continue as and show the prescription state, if t is key 〉=0.5S, then transfer to following program, carry out key assignments and handle, at first does analytical judgment have or not page number? if no, turn back to initialize routine, if the prescription page number is arranged, just prepare to transfer to respective page.Secondly do you judge the first address (least-significant byte) that has or not this prescription? if there is not the first address of prescription, program turns back to initialization; If the prescription first address is arranged, just, transfer to the prescription handling procedure according to the page number and the first address of prescription.
Fig. 4 is the prescription handling procedure of the treatment prescription place page.After program jump arrives the corresponding prescription page; the address that number provides according to prescription; continuously with this below address in totally 5 address areas the data of the page give corresponding data field or depositor respectively; and protect when waveform prepare to take place and use; to analyze simultaneously and have or not various identification codes; carry out corresponding action, and program jump is arrived start-up routine.
Fig. 5 is a start-up routine.After program jumps to startup, protect address present in the prescription standby earlier, if whether the frequency of analysis waveform greater than 1Hz, prepares the amount of delay of 10 μ ss greater than 1Hz again; If be less than or equal to 1Hz, then prepare the amount of delay of 1ms, and according to different swung dash to memory 5(Fig. 1-5) send out the page address corresponding, program jump is gone to waveform generation program.
Fig. 6 is a waveform generation program.This program enters program according to different μ s entry addresses and n modulus, implement different delay process, send the waveform coding data, finished send a wave period after, it is low by-1 to carry out T, if the low amount of T is not zero, rebulid the waveform coding data volume, continue to send multiple waveform coding data,, just transfer to the time control sequence and go if the low amount of T is zero.
Fig. 7 is the time control sequence.This program mainly is whether an analysis T high position is zero, if not zero, continues to transfer to and carries out waveform generation program, and multiple waveform coding data take place; If zero, just recover the address in the prescription, shift back the program that the corresponding page removes to continue to carry out this prescription again.
Contour structures of the present invention is seen Fig. 8, and this installation weight is 0.45Kg only, and overall dimensions is: 120 * 200 * 48mm.Fig. 8-1 is a digital display tube, show prescription number with.Fig. 8-2 is the output current adjusting knob, and it can regulate the size of output current intensity.Fig. 8-the 3rd, choosing prescription and the operated key that starts if the time of each button is less than 0.5 second the time, then carry out the operation of conversion prescription number, demonstrate the conversion of prescription number by charactron.If the time of button is when being equal to or greater than 0.5 second, then the program that program is jumped to startup is gone, and promptly starts the prescription program and begin to carry out.Fig. 8-4 is green indicating lamps, and its indication prescription program just in commission as need interruptions equation, can be touched the reset key of instrument bottom, or cut off power supply.Fig. 8-5 is red leds, and its indicating instrument is in and gives configuration state, or prescription program stop state, instrument no current output this moment.Fig. 8-the 6th, reset key.Fig. 8-the 7th, the unidirectional current of positive and negative 6V is imported in supply socket.Fig. 8-the 8th, accessory power outlet, the treatment electric current is wired to patient and treats.

Claims (12)

1, a kind of microcomputer mid-frequency treatment device, this therapeutic instrument is by display (1-1), one chip microcomputer (1-2), operated key (1-3), erasable programmable read-only memory (1-4), (1-5), D/A converter (1-7), square-wave generator (1-6) and power amplifier (1-8) are formed, and it is characterized in that:
Storage has the operation sequence and the prescription program of this mid-frequency treatment device in the above-mentioned erasable programmable read-only memory (1-4), operation sequence is arranged to the memory space of three pages, with the prescription proceedings is the memory space of five pages, and this prescription is programmed to three grades of loop nesting modes, saved the memory of an independent storage prescription program for this reason.
Above-mentioned erasable programmable read-only memory (1-5) storage has the coded data of eight kinds of low frequency modulations waveforms, and these eight kinds of low frequency modulations waveforms are respectively: preceding sawtooth waveforms, back sawtooth waveforms, square wave, exponential wave, sharp wave, triangular wave, sine wave, staircase waveform.
Above-mentioned D/A converter (1-7) is gone back the double as manipulator and is used except that the conversion of counting/touch is used.
2, according to a kind of microcomputer mid-frequency treatment device of claim 1, it is characterized in that: the prescription program of three grades of loop nesting modes in the above-mentioned erasable programmable read-only memory (1-4) is that a partial circulating identification code is set earlier, partial circulating amount and partial circulating return address constitute a partial circulating; The identification code that circulates in one is set again, middle circulating load and middle circulation return address, constitute one in the circulation; A systemic circulation identification code then is set again, and big cycle volume and systemic circulation return address constitute a systemic circulation.
3, according to a kind of microcomputer mid-frequency treatment device of claim 2, it is characterized in that: the circulating load of three grades of nested partial circulatings in the above-mentioned erasable programmable read-only memory (1-4), middle circulation and systemic circulation is respectively 1-255 time.
4, according to a kind of microcomputer mid-frequency treatment device of claim 3, it is characterized in that: the step of the prescription that stores in the above-mentioned erasable programmable read-only memory can be No255 3Inferior.
5, according to a kind of microcomputer mid-frequency treatment device of claim 1, it is characterized in that: the coded data of the modulation waveform of memory is following four characteristic quantities in the above-mentioned erasable programmable read-only memory (1-5):
A, swung dash;
B, μ s entry address;
C, n modulus;
D, wave period are counted T.
6, according to a kind of microcomputer mid-frequency treatment device of claim 5, it is characterized in that: above-mentioned μ s represents the entry address entry address of four different delayed time magnitudes, and above-mentioned four different delayed time amounts are respectively 30 μ s, 32.5 μ s, 35 μ s, 37.5 μ s.
7, according to a kind of microcomputer mid-frequency treatment device of claim 5, it is characterized in that: the said n modulus is respectively 10 μ s and 1ms time-delay sub-quantity, when low frequency modulations frequency during greater than 1Hz, selects 10 μ s time-delay sub-quantity for use; When being equal to or less than 1Hz, the low frequency modulations frequency selects 1ms time-delay sub-quantity for use.
8, according to a kind of microcomputer mid-frequency treatment device of claim 1, it is characterized in that: the frequency of the low frequency modulations waveform that stores in the above-mentioned erasable programmable read-only memory is that characteristics are determined with its cycle, and is expressed as
T cycle=250 Δ t
Wherein: the T cycle is low frequency modulations wave period,
Δ t is the interlude amount in above-mentioned T cycle of decision,
The value of Δ t can be expressed as following relation:
When frequency during greater than 1Hz,
When frequency equals and during less than 1Hz,
Figure 881026565_IMG3
Wherein n is respectively the time-delay number of times modulus of 10 μ s and 1ms,
After determining Δ t, just can determine T cycle and low frequency modulations wave frequency.
9, according to a kind of microcomputer mid-frequency treatment device of claim 1, it is characterized in that: also comprise a square wave generator of intermediate frequency (1-6) that produces 2.1KHz.
10, according to a kind of microcomputer mid-frequency treatment device of claim 1, it is characterized in that: the reference voltage input terminal of above-mentioned number/touch changer (1-7) links to each other with the outfan of above-mentioned square wave generator of intermediate frequency (1-6), when the coded data to a certain selected low frequency modulations ripple simulates conversion, realize modulation to above-mentioned 2.1KHz intermediate frequency square-wave signal.
11, according to a kind of microcomputer mid-frequency treatment device of claim 1, it is characterized in that: the operation sequence of storage in the above-mentioned erasable programmable read-only memory (1-4), carry out following operating procedure, after this therapeutic instrument start, at first carry out the initialization of complete machine, first prescription that shows storage then by display (1-1), when not passing through the order of keyboard (1-3) input, this therapeutic instrument continues to show above-mentioned first prescription, when keyboard is imported, if stroke the time less than under 0.5 second the situation, then the prescription of this therapeutic instrument numbering adds 1; If stroke the time greater than under 0.5 second the situation, then this therapeutic instrument is carried out the prescription program of above-mentioned numbering.
12, according to a kind of microcomputer mid-frequency treatment device of claim 1, it is characterized in that: this therapeutic instrument is by external positive and negative 6V DC power supply, to increase the safety of this therapeutic instrument.
CN 88102656 1988-05-10 1988-05-10 Microcomputerized if therapeutic instrument Expired CN1009428B (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1037576C (en) * 1992-12-22 1998-03-04 孙忠信 Cerebral thrombus therapy and apparatus
CN1037662C (en) * 1993-06-11 1998-03-11 株式会社和辰化妆品 An apparatus for taking care of the skin and the methods for caring the skin therewith
CN1040950C (en) * 1993-03-15 1998-12-02 匡平 The Eight Diagrams recovery therapeutic instrument
CN1041691C (en) * 1996-02-16 1999-01-20 岳玉奇 Medicinal electrolytic resonant therapeutic instrument
CN100435883C (en) * 2003-11-27 2008-11-26 徐志强 Electro-therapeutic apparatus matched with personal computer
CN105664356A (en) * 2016-01-05 2016-06-15 孝感量子机电科技有限公司 Method for modulating therapy prescription waveform of low and medium frequency therapeutic instrument, and electric circuit
CN115671551A (en) * 2023-01-03 2023-02-03 北京市金华医疗器械研究所 Control method and device of intermediate frequency pulse therapeutic apparatus and therapeutic apparatus

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4711099B2 (en) * 2001-06-26 2011-06-29 ソニー株式会社 Transmission device and transmission method, transmission / reception device and transmission / reception method, program, and recording medium

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1037576C (en) * 1992-12-22 1998-03-04 孙忠信 Cerebral thrombus therapy and apparatus
CN1040950C (en) * 1993-03-15 1998-12-02 匡平 The Eight Diagrams recovery therapeutic instrument
CN1037662C (en) * 1993-06-11 1998-03-11 株式会社和辰化妆品 An apparatus for taking care of the skin and the methods for caring the skin therewith
CN1041691C (en) * 1996-02-16 1999-01-20 岳玉奇 Medicinal electrolytic resonant therapeutic instrument
CN100435883C (en) * 2003-11-27 2008-11-26 徐志强 Electro-therapeutic apparatus matched with personal computer
CN105664356A (en) * 2016-01-05 2016-06-15 孝感量子机电科技有限公司 Method for modulating therapy prescription waveform of low and medium frequency therapeutic instrument, and electric circuit
CN105664356B (en) * 2016-01-05 2018-06-29 孝感量子机电科技有限公司 A kind of modulation circuit of medium-low frequency therapeutical instrument treatment prescription waveform
CN115671551A (en) * 2023-01-03 2023-02-03 北京市金华医疗器械研究所 Control method and device of intermediate frequency pulse therapeutic apparatus and therapeutic apparatus
CN115671551B (en) * 2023-01-03 2023-04-07 北京市金华医疗器械研究所 Control method and device for intermediate frequency pulse therapeutic apparatus and therapeutic apparatus

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