CN102416220A - Household gynecological physiotherapeutic instrument based on low-frequency electrotherapy - Google Patents
Household gynecological physiotherapeutic instrument based on low-frequency electrotherapy Download PDFInfo
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- CN102416220A CN102416220A CN2010102951431A CN201010295143A CN102416220A CN 102416220 A CN102416220 A CN 102416220A CN 2010102951431 A CN2010102951431 A CN 2010102951431A CN 201010295143 A CN201010295143 A CN 201010295143A CN 102416220 A CN102416220 A CN 102416220A
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Abstract
The invention provides a household gynecological physiotherapeutic instrument based on low-frequency electrotherapy. The physiotherapeutic instrument comprises a P89LPC935 control chip, a CH451 interface chip, a signal amplifying circuit, a keyboard and a display component, and an alarming circuit, wherein the P89LPC935 control chip is used for converting pulse signals with preset frequency into electrotherapeutic signals for electrotherapy; the CH451 interface chip is used for driving the keyboard and display component; the signal amplifying circuit is provided with an electrode which directly acts on a human body, and is used for amplifying the electrotherapeutic signals to signals with the intensity which is set by a user through the keyboard; the keyboard and display component are connected with the CH451 interface chip; and the alarming circuit is used for sending alarm when the timing time of the P89LPC935 control chip reaches the set treatment time. The electrotherapeutic instrument is simple to operate, and is suitable for postnatal lactation promotion, lactiferous duct conduction, involution of uterus, promotion of postnatal urination, postnatal recovery and the like.
Description
Technical field
The present invention relates to a kind of electric therapeutic instrument, particularly a kind of employing low-frequency electronic therapy gynaecopathia is particularly suitable for the recovering physiotherapy appearance of anemia of pregnant woman's postpartum recovery.
Background technology
Medically, claim that the pulse current below the frequency 1000Hz is low-frequency current or low frequency pulse current.The method that the application low frequency pulse current is treated disease is called low frequency electrotherapy; The mechanism of its treatment is: low-frequency current is a kind of physical energy; When it acts on therapentic part; Cause that interior electronics of body and ion change, and mainly are to produce physical and chemical reaction at teleneuron, thereby cause local physiological effect.But this physiological effect activation of Spinal presynaptic suppresses, and blocks up conduction, activates the descending pain sensation and suppresses system, and non-peptide and some other vascular peptide increase in causing, thereby plays analgesia, antiinflammatory, short through effects such as local blood circulation; The dynamic action of low frequency pulse current, the cell that directly excites nerve reaches the effect of exercise, restore funcitons.The physiology and the therapeutical effect of low-frequency current comprise: excitor nerve muscular tissue; Promote local blood circulation; Antiinflammatory; Analgesia; Promote wound healing; Promote union of fracture etc.
Show according to World Health Organization's statistics: " among the patient of whole world death; have 1/3rd patient to die from inappropriate medication approximately "; Its main cause is owing to receive the influence of multiple extremely complicated factor, and it is just right to cause human body when ill, to select all to be difficult to accomplish aspect medicine and the dosage.Therefore, seek new treatment approach safely and effectively, become contemporary medical worker's important topic.And electrotherapy just begins to receive doctor and patient's concern, and it need not come cure diseases with the for oral administration or injectable drug of routine, but utilizes dissimilar electric currents and electromagnetic field to treat disease, can effectively avoid the insecurity and the side effect of patient's medication.Low-frequency electrotherapeutic has become a kind of extremely important means in the physiotherapy and rehabilitation, and its curative effect obtains consistent approval.But most of low frequency rehabilitation instruments do not reach computerization, sequencing, prescriptionization yet, and the strong comprehensive instrument of function especially still rests on low-level, the low level, mainly shows as: function singleness, complex operation; Technology aging, parameter error is big; Poor reliability, safety coefficient is low.Just because of there being these a series of defectives, make low frequency rehabilitation equipment be difficult in the daily life (especially in the family of general public) and promoted the use of.Based on the low-frequency electrotherapeutic theoretical knowledge, in conjunction with current required, therefore design portable, multi-functional, as to adopt a single board computer intelligent electrotherapeutic therapy apparatus, become the problem that those skilled in the art's urgent need will solve in fact, have very important practical sense.
Summary of the invention
The object of the present invention is to provide a kind of domestic gynecological physiotherapy table based on low-frequency electrotherapeutic simple to operate, safe in utilization, it can realize prescriptionization to a certain extent, allows user that therapeutic scheme and treatment waveform parameter are dynamically intervened.
Reach other purposes in order to achieve the above object, the domestic gynecological physiotherapy table based on low-frequency electrotherapeutic provided by the invention comprises: the P89LPC935 control chip that is used for the pulse signal of predeterminated frequency is converted into the electrotherapy signal of using as electrotherapy; The CH451 interface chip that is connected and is used to drive keyboard and display unit through high speed 4 line serial line interfaces and said P89LPC935 control chip; Be connected the signal amplification circuit of said P89LPC935 control chip signal output pin, it disposes the electrode that directly acts on human body, is used for said electrotherapy signal is amplified to the intensity that user sets through keyboard; The keyboard and the display unit that connect said CH451 interface chip; Be connected said P89LPC935 control chip and be used for when said P89LPC935 control chip timing time arrives the treatment time of setting, sending the warning circuit of alert sound.Wherein, the P1.7 of said P89LPC935 control chip, P0.1, P1.6 pin and external interrupt link to each other with DIN, DCLK, LOAD, the DOUT pin of CH451 interface chip respectively for 0 mouthful.Display unit is a charactron, and predeterminated frequency is 833Hz.Wherein, said signal amplification circuit is connected the DAC0 pin of said P89LPC935 control chip.
Good effect of the present invention is; Domestic gynecological physiotherapy table based on low-frequency electrotherapeutic of the present invention is treated needed triangular wave and trapezoidal wave through being modulated into the low frequency pulse current of predeterminated frequency; Carry out certain combination to these waveforms again; Thereby obtain required 12 kinds of treatment waveforms, it is applicable to lactogenic in puerperal, lactiferous ducts conducting, the involution of uterus, urinate after promoting production, postpartum recovery etc.; Simultaneously can realize prescriptionization to a certain extent, allow user that therapeutic scheme and treatment waveform parameter are dynamically intervened, simple to operate, the highest output intensity is 33V, and is safe and reliable.
Description of drawings
Fig. 1 is the domestic gynecological physiotherapy table basic structure sketch map that the present invention is based on low-frequency electrotherapeutic.
Fig. 2 is the operational flow diagram of the domestic gynecological physiotherapy table based on low-frequency electrotherapeutic of the present invention.
The specific embodiment
See also Fig. 1, the domestic gynecological physiotherapy table based on low-frequency electrotherapeutic of the present invention mainly comprises: P89LPC935 control chip, CH451 interface chip, signal amplification circuit, keyboard and display unit and warning circuit etc.
Each pin of said P89LPC935 control chip is as shown in Figure 1, details no longer one by one at this, and it is to be used for converting the pulse signal of predeterminated frequency (for example 833Hz) into use as electrotherapy electrotherapy signal.In the present embodiment; It is to convert pulse signal shown in Figure 2 into microcontroller chip that modulation waveform (like trapezoidal wave or triangular wave) P89LPC935 control chip is the production of Philips company; As the control core; It has comprised 28,4 road successive approximation analog-to-digital conversion modules, two DA ALT-CH alternate channel, through can directly exporting analog quantity to its function register reasonable disposition.
Said each pin of CH451 interface chip is as shown in Figure 1; It is connected with said P89LPC935 control chip through high speed 4 line serial line interfaces; Be used to drive keyboard and display unit, it is a multifunction peripheral chip of having integrated charactron display driver and keyboard scan control and μ P monitoring.Said CH451 interface chip has control functions such as electrification reset and house dog, and 18 operational orders are arranged.The P1.7 of said P89LPC935 control chip, P0.1, P1.6 pin and external interrupt link to each other with DIN, DCLK, LOAD, the DOUT pin of CH451 interface chip respectively for 0 mouthful.Said P89LPC935 control chip is controlled through operational order said CH451 interface chip and is realized, it reads the treatment parameter that the user sets through said CH451 interface chip, for example treats intensity and treatment time.
Said signal amplification circuit is connected said P89LPC935 control chip signal output pin; Promptly be connected the DAC0 pin of said P89LPC935 control chip; It disposes the electrode that directly acts on human body; Be used for said electrotherapy signal is amplified to the intensity that user sets through keyboard, its core devices is a pulse transformer.Signal waveform is when promoting amplitude through transformator, and transformator can also be isolated patient and civil power, thereby plays the effect of safeguard protection.Treatment waveform through after amplifying can directly act on human body through professional therapeutic electrode.
Said keyboard is connected said CH451 interface chip with display unit, in the present embodiment, display unit is a charactron.The treatment parameter is for example treated intensity and treatment time etc., can send into by 7 charactrons through the CH451 interface chip to show.Keyboard is provided with 12 function keys, can be by treatment project alternatives corresponding treatment prescription.12 kinds of therapeutic schemes comprise: first-harmonic one, first-harmonic two, first-harmonic three, first-harmonic four, treatment project I, treatment project II, lactogenic in puerperal, galactopoiesis is few, lactiferous ducts is obstructed, the involution of uterus, urinate after promoting production, postpartum recovery.
Said warning circuit is connected said P89LPC935 control chip; Be used for when said P89LPC935 control chip timing time arrives the treatment time of setting, sending alert sound; It is made up of audion T1, T2, amplifier 74HC04, resistance R 1, R2, R3, R4 and buzzer BUZZ, and the connected mode of each components and parts is referring to Fig. 1.
The operation principle of above-mentioned domestic gynecological physiotherapy table based on low-frequency electrotherapeutic is as shown in Figure 2; After user's energized; Set treatment time; Press function key as required and confirm the treatment project, scan the information of user's setting as the P89LPC935 control chip of control core through the CH451 interface chip.The P89LPC935 control chip calls the corresponding treatment wave function according to the key assignments of the function key that scans; Promptly calling frequency is that the impulse modulation of 833Hz is the triangular wave or the trapezoidal wave of the Strength Changes all set with the user in amplitude and cycle, and this waveform is through the DAC0 mouth output of single-chip microcomputer.The treatment waveform acts on human body through behind the follow-up amplifying circuit through the special for treating electrode.After pressing initiating key, show treatment time by a second minimizing, the treatment time that the user sets is when finishing; The P0.0 output high level of P89LPC935 control chip; Drive warning circuit and send alarm signal, the notice user's treatment finishes, and the user gets final product powered-down.
In the process of treatment, voltage output is transition, and 130mV is a class, so when occurring a new ladder each time, the multiple that voltage all can transition 130mV.Said P89LPC935 control chip is confirmed the treatment wave function according to parameters such as scope, up, high, low, down.Wherein, scope is the amplitude variable, the intensity (unit: mV) when this value equals the therapeutic instrument treatment; Up is the number of the first-harmonic of the same amplitude that comprises in each ladder of ascent stage; High is that amplitude reaches maximum and the number of the first-harmonic when remaining unchanged; Down is the voltage gear (unit: individual) that adjacent stepped-up voltage of decline stage differs several 130my; Low is that amplitude is 0 length (unit: ms).Through up, high, low, these 4 parameters of down are set, can obtain 16 kinds of basic waveforms, make up these 16 kinds of basic waveforms in sequence, just can obtain 12 kinds of treatment waveforms with specific function.
The key technical indexes of above-mentioned domestic gynecological physiotherapy table based on low-frequency electrotherapeutic is following:
(1) pulse frequency 833Hz, franchise ± 10%.Pulse width 0.4ms, franchise ± 10%.The adjusting of output amplitude is even continuously, and each increment is 130mV, rate of change＜3%.When pulse electric weight output amplitude is maximum greater than 7 μ C.The single pulse energy maximum output energy is no more than 300mJ.
(2) treatment waveform width: the treatment intensity by input determines: intensity is big, and then burst width is big; Intensity is little, and then burst width is also little.
(3) amplitude modulation: with trapezoidal wave and triangular wave, the rise time is also relevant with input intensity with fall time.
(4) 12 function keys can be by treatment project alternatives corresponding treatment prescription.12 kinds of therapeutic schemes: first-harmonic one, first-harmonic two, first-harmonic three, first-harmonic four, treatment project I, treatment project II, lactogenic in puerperal, galactopoiesis is few, lactiferous ducts is obstructed, the involution of uterus, urinate after promoting production, postpartum recovery.
(5) amplitude range: the original waveform amplitude range is 0～2.56V, and the amplitude range after amplifying circuit amplifies is 0～33V.
(6) treatment time: 0～40min; Treatment intensity; 0～250 grade.
In sum, the domestic gynecological physiotherapy table based on low-frequency electrotherapeutic of the present invention is to be modulated into needed triangular wave of treatment and trapezoidal wave to the low frequency pulse current of 833Hz, carries out certain combination to these waveforms again; Thereby obtain 12 kinds of required treatment waveforms; Functions such as it has lactogenic in puerperal, lactiferous ducts conducting, the involution of uterus, urinate after promoting production, postpartum recovery realize prescriptionization to a certain extent, allow user to therapeutic scheme with treat waveform parameter and dynamically intervene; Simple to operate; The highest output intensity is 33V, and is safe and reliable, can realize the purpose of domestic fully.
The foregoing description is just listed expressivity principle of the present invention and effect is described, but not is used to limit the present invention.Any personnel that are familiar with this technology all can make amendment to the foregoing description under spirit of the present invention and scope.Therefore, rights protection scope of the present invention should be listed like claims.
Claims (5)
1. the domestic gynecological physiotherapy table based on low-frequency electrotherapeutic is characterized in that: comprise the P89LPC935 control chip, be used for converting the pulse signal of predeterminated frequency into use as electrotherapy electrotherapy signal; Through high speed 4 line serial line interfaces and the CH451 interface chip that said P89LPC935 control chip is connected, be used to drive keyboard and display unit; Be connected the signal amplification circuit of said P89LPC935 control chip signal output pin, it disposes the electrode that directly acts on human body, is used for said electrotherapy signal is amplified to the intensity that user sets through keyboard; The keyboard and the display unit that connect said CH451 interface chip; Be connected the warning circuit of said P89LPC935 control chip, be used for sending alert sound when said P89LPC935 control chip timing time arrives the treatment time of setting.
2. the domestic gynecological physiotherapy table based on low-frequency electrotherapeutic according to claim 1 is characterized in that: the P1.7 of said P89LPC935 control chip, P0.1, P1.6 pin and external interrupt link to each other with DIN, DCLK, LOAD, the DOUT pin of CH451 interface chip respectively for 0 mouthful.
3. the domestic gynecological physiotherapy table based on low-frequency electrotherapeutic according to claim 1, it is characterized in that: predeterminated frequency is 833Hz.
4. the domestic gynecological physiotherapy table based on low-frequency electrotherapeutic according to claim 1, it is characterized in that: said signal amplification circuit is connected the DAC0 pin of said P89LPC935 control chip.
5. the domestic gynecological physiotherapy table based on low-frequency electrotherapeutic according to claim 1, it is characterized in that: display unit is a charactron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102951431A CN102416220A (en) | 2010-09-28 | 2010-09-28 | Household gynecological physiotherapeutic instrument based on low-frequency electrotherapy |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102951431A CN102416220A (en) | 2010-09-28 | 2010-09-28 | Household gynecological physiotherapeutic instrument based on low-frequency electrotherapy |
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| CN102416220A true CN102416220A (en) | 2012-04-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010102951431A Pending CN102416220A (en) | 2010-09-28 | 2010-09-28 | Household gynecological physiotherapeutic instrument based on low-frequency electrotherapy |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103550862A (en) * | 2013-11-04 | 2014-02-05 | 天津工业大学 | Multichannel alternating current rehabilitation health care physiotherapeutic instrument |
| CN104622679A (en) * | 2015-01-31 | 2015-05-20 | 朱秋梅 | Treatment device for postpartum recovery |
| CN109276804A (en) * | 2018-08-22 | 2019-01-29 | 广州丰得利实业公司 | A kind of postpartum recovery therapeutic equipment and its control method |
-
2010
- 2010-09-28 CN CN2010102951431A patent/CN102416220A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103550862A (en) * | 2013-11-04 | 2014-02-05 | 天津工业大学 | Multichannel alternating current rehabilitation health care physiotherapeutic instrument |
| CN104622679A (en) * | 2015-01-31 | 2015-05-20 | 朱秋梅 | Treatment device for postpartum recovery |
| CN109276804A (en) * | 2018-08-22 | 2019-01-29 | 广州丰得利实业公司 | A kind of postpartum recovery therapeutic equipment and its control method |
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Application publication date: 20120418 |