CN203154605U - Portable constant-pulse-current parturition analgesia instrument - Google Patents
Portable constant-pulse-current parturition analgesia instrument Download PDFInfo
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- CN203154605U CN203154605U CN 201320131200 CN201320131200U CN203154605U CN 203154605 U CN203154605 U CN 203154605U CN 201320131200 CN201320131200 CN 201320131200 CN 201320131200 U CN201320131200 U CN 201320131200U CN 203154605 U CN203154605 U CN 203154605U
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Abstract
The utility model discloses a portable constant-pulse-current parturition analgesia instrument, which comprises a housing, a button module, a display module, a control circuit installed in the housing, and a surface mounted electrode connecting the instrument with a human body. The instrument is characterized in that the control circuit comprises a boost circuit, a bidirectional pulse generation and output circuit and a constant pulse current control circuit, wherein the boost circuit, according to preset simulation intensity, boosts a 3V voltage into a voltage satisfying simulation requirement, the pulse generation and output circuit adjusts output of the boost circuit into a waveform, the waveforms is consistent with a preset waveform and amplitude thereof satisfies the simulation intensity, and the constant pulse current control circuit outputs constant current satisfying preset simulation current intensity. The instrument is acted on the human body via the electrode, so that the human body itself secretes analgesia substance, i.e., opioid peptide, to cut off a conduction path of pain information from uterus bottom and nervous centralis in a uterus body, thereby rapidly reducing intense pain of a puerperal to bearable might pain. Simulation frequency and intensity can be adjusted gradually to obtain the maximal analgesia effect.
Description
Technical field
This utility model relates to a kind of electronic therapeutic instrument, refers in particular to a kind of portable isopulse electric current inhibiting pain in parturition instrument.
Background technology
In the birth process because uterine contraction can cause unusual violent pain, puerpera's anxiety, anxiety and terrified mental status also can cause a series of neuroendocrine reactions in the body, the material concentrations relevant with pain such as adrenocortical hormone, hydrocortisone, catecholamine, endorphin are increased, the pain reaction aggravation.The catecholamine increase can make puerpera's vasoconstriction and pressure cvd excessive in the body, and it is influenced that the oxygen consumption increases uterine contraction, the potential fetus acidosis that causes of placental blood flow minimizing meeting simultaneously.Misery when therefore appropriate inhibiting pain in parturition not only reduces parturient childbirth the more important thing is that it can reduce the unnecessary oxygen consumption of puerpera and energy expenditure, prevents the generation of mother and baby's metabolic acidosis, improves the speed of progress of labor, reduces the postpartum hemorrhage rate.Simultaneously, it can also avoid the minimizing of placenta uterina blood flow, thereby improves the fetus oxygenation status, reduces the appearance of fetal anoxia and asphyxia of newborn situation.
Existing inhibiting pain in parturition instrument is varied, yet analgesic effect is not ideal enough always.
Summary of the invention
The purpose of this utility model is to provide good, the portable isopulse electric current of a kind of analgesic effect inhibiting pain in parturition instrument; By puerpera back specific part is carried out electricity irritation, effectively impel human body self secretion analgesic matter opioid peptide, blocking-up makes the puerpera have an intense pain rapidly and is down to endurable mild pain from the nervus centralis pain information pathway of fundus of uterus and body of uterus.
This utility model is achieved through the following technical solutions:
A kind of portable isopulse electric current inhibiting pain in parturition instrument, comprise the surface patch electrode of shell, key-press module, display module, installation control circuit, connection instrument and human body in the enclosure, described control circuit comprises booster circuit, the generation of bidirectional pulse ripple and output circuit, isopulse current control circuit.
Described booster circuit comprises first audion, second audion, the 3rd audion and the 4th audion; Wherein, first transistor collector is received VCC1, emitter stage is connected to the emitter stage of second audion, and the base stage of first audion and second audion is in parallel and be connected to the control pin PCtrl end of control chip through resistance, and the colelctor electrode of second audion is connected to ground; First audion makes A point and B point current potential equate with the second audion tandem working;
Receive VCC1 through inductance again after the colelctor electrode parallel connection of the 3rd audion and the 4th audion, link to each other with the emitter stage of first audion with second audion again after the base stage parallel connection of the 3rd audion and the 4th audion, the emitter stage of the 3rd audion and the 4th audion is received ground, the colelctor electrode process diode of the 3rd audion and the 4th audion is connected to the anode of electrochemical capacitor, and the negative terminal of electrochemical capacitor is connected to ground; The outfan UCC of booster circuit is drawn by the electrochemical capacitor anode.
Described bidirectional pulse ripple produces with output circuit and comprises control chip, the leads ends VCtrl-1 of this control chip, the leads ends VCtrl-2 of control chip are connected to the base stage of the 5th audion, the 9th audion respectively by second resistance and the 6th resistance, in order to export the control signal that the bidirectional pulse ripple produces; The anode of output electrode is connected to the colelctor electrode of the 6th audion and the emitter stage of the 11 audion by inductance, the negative terminal of output electrode is connected to the colelctor electrode of the tenth audion and the emitter stage of the 7th audion by inductance, the colelctor electrode of the 7th audion and the 11 audion is connected to ground through sampling resistor, and sampling resistor one end is connected to the sampling leads ends AD_P of control chip simultaneously; When control chip leads ends VCtrl-1 output high level, control chip leads ends VCtrl-2 output low level, the forward waveform that the 5th audion, the 6th audion, the 7th audion, the 8th audion conducting, outfan are positive terminal potential height, the negative terminal current potential is low; When control chip leads ends VCtrl-1 output low level, VCtrl-2 output high level, the 9th audion, the tenth audion, the 11 audion, the 12 audion conducting, outfan is the negative sense waveform that positive terminal potential is low, the negative terminal current potential is high; Can obtain the bidirectional pulse ripple at outfan like this.
Described isopulse current control circuit comprises sampling resistor, stabilivolt and control chip; Sampling resistor one end is connected to the sampling leads ends of control chip, other end ground connection; Control chip is gathered the voltage at sampling resistor two ends by the sampling pin, the stimulus intensity of monitoring output in real time.
This utility model has following advantage and effect with respect to prior art:
This portable isopulse electric current inhibiting pain in parturition instrument, the puerpera presets stimulus modelity and stimulus intensity according to the pain situation of self, and instrument namely is operated in default steady statue, sends boost pulse, is applied to human body by patch electrode.The puerpera in use can change stimulus modelity at any time and regulate stimulus intensity to obtain optimal analgesic effect.This utility model belongs to non-medicine class labor pains instrument, and volume is little in light weight, and is easy to operation, and non-evident effect is very suitable for family and department of obstetrics and gynecology clinical practice.
Description of drawings
Fig. 1 is this utility model structured flowchart.
Fig. 2 is the booster circuit schematic diagram.
Fig. 3 is the generation of bidirectional pulse ripple and output circuit and isopulse current control circuit schematic diagram.
The specific embodiment
Below in conjunction with specific embodiment this utility model is done further concrete detailed description the in detail.
Embodiment
As Fig. 1, Fig. 2, shown in Figure 3, the portable isopulse electric current of this utility model inhibiting pain in parturition instrument, comprise the surface patch electrode of shell, key-press module, display module, installation control circuit, connection instrument and human body in the enclosure, it is characterized in that: described control circuit comprises booster circuit, the generation of bidirectional pulse ripple and output circuit, isopulse current control circuit.
Described booster circuit comprises the first audion Q1, the second audion Q2, the 3rd audion Q3 and the 4th audion Q4;
Wherein, the first audion Q1 colelctor electrode is received VCC1(3V), emitter stage is connected to the second audion Q2's (positive-negative-positive audion) emitter stage, the base stage of the first audion Q1 and the second audion Q2 in parallel and through resistance R 1(1K) be connected to control pin (PCtrl) end of control chip, the colelctor electrode of the second audion Q2 is connected to ground; The first audion Q1 makes A point, B point current potential equate with the second audion Q2 tandem working;
The 3rd audion Q3(NPN type audion) and the 4th audion Q4(NPN type audion) the colelctor electrode parallel connection after receive VCC1 through inductance L 1 again, link to each other with the emitter stage of the first audion Q1 and the second audion Q2 again after the base stage parallel connection of the 3rd audion Q3 and the 4th audion Q4, the emitter stage of the 3rd audion Q3 and the 4th audion Q4 is received ground, the colelctor electrode process diode D1 of the 3rd audion Q3 and the 4th audion Q4 is connected to the anode of electrochemical capacitor C1, and the negative terminal of electrochemical capacitor C1 is connected to ground; The outfan UCC of booster circuit is drawn by electrochemical capacitor C1 anode.
Booster circuit utilizes the energy storage effect of inductance and electric capacity to the maintenance effect of voltage, produce the break-make of impulse waveform control switchgroup pipe by control chip, make that the saturation conduction state of cubicle switch pipe is more desirable and then be implemented in moment and finish switch transition control.
The process of boosting is as follows: control chip is by will boost control impuls ripple output of leads ends PCtrl, during the high level Ton of control impuls ripple that boosts, the cubicle switch pipe conducting that is constituted by the first audion Q1, the second audion Q2, the 3rd audion Q3 and the 4th audion Q4, inductance L 1 electric current constantly increases, keep this high level to reach maximum until inductance L 1 electric current, at this moment inductance L 1 energy storage maximum.During the low level Toff of the control impuls of boosting ripple, the cubicle switch pipe discharges energy to electrochemical capacitor C1 by, inductance L 1, and electrochemical capacitor C1 voltage raises, and keeps this low level to discharge fully until inductance L 1 energy.Electrochemical capacitor C1 voltage is elevated to maximum in one-period Ton+Toff like this.Circuit constantly repeats said process under the effect of the control impuls ripple that boosts, make output voltage raise.The process that system controls the output of boosting is to keep Ton constant, changes Toff.Reduce Toff, then circuit working cycle in the unit interval increases, and output voltage raises; Increase Toff, then circuit working cycle in the unit interval reduces, and output voltage reduces.
Described bidirectional pulse ripple produces with output circuit and comprises control chip, the leads ends VCtrl-1 of this control chip, the leads ends VCtrl-2 of control chip are connected to the base stage of the 5th audion Q5, the 9th audion Q9 respectively by second resistance R 2, the 6th resistance R 6, in order to export the control signal that the bidirectional pulse ripple produces; The anode OUT+ of output electrode is connected to the 6th audion Q6(PNP by inductance L 2) colelctor electrode and the 11 audion Q11(PNP) emitter stage, the negative terminal OUT-of output electrode is connected to the tenth audion Q10(PNP by inductance L 3) colelctor electrode and the 7th audion Q7(PNP) emitter stage, the colelctor electrode of the 7th audion Q7 and the 11 audion Q11 is connected to ground through sampling resistor R10, and sampling resistor R10 one end is connected to the sampling leads ends (AD_P) of control chip simultaneously; When control chip leads ends VCtrl-1 output high level, control chip leads ends VCtrl-2 output low level, the 5th audion Q5, the 6th audion Q6, the 7th audion Q7, the 8th audion Q8 conducting, the forward waveform that outfan is anode OUT+ current potential height, negative terminal OUT-current potential is low; When control chip leads ends VCtrl-1 output low level, VCtrl-2 output high level, the 9th audion Q9, the tenth audion Q10, the 11 audion Q11, the 12 audion Q12 conducting, outfan are the negative sense waveform that anode OUT+ current potential is low, negative terminal OUT-current potential is high; Can obtain the bidirectional pulse ripple at outfan like this.Control chip produces impulse waveform, and by the bidirectional pulse wave generation circuit, the high voltage that booster circuit is exported is adjusted into the waveform of presetting stimulus modelity, by the human body surface patch electrode stimulation is applied to the human body specific part then, reaches analgesic purpose; When user changed stimulus modelity by button operation, the control waveform that two pins of control chip pin Vctrl_1, control chip pin Vctrl_2 produce was converted to the waveform of corresponding modes correspondence, and this moment, outfan can be exported a same waveform as.
Described isopulse current control circuit comprises sampling resistor R10, stabilivolt D2 and control chip; Sampling resistor R10 one end is connected to the sampling leads ends AD_P of control chip, other end ground connection; Control chip is gathered the voltage at sampling resistor R10 two ends by sampling pin AD_P, the stimulus intensity of monitoring output in real time.After artificial selected stimulus modelity and stimulus intensity, this instrument is exported stable stimulating current under this pattern, when the external human body resistance of output changes, control chip is regulated the low level time Toff of booster circuit control waveform automatically, makes output stimulating current all-the-time stable at default stimulus intensity.The control of constant current and implementation procedure are closed-loop control systems, do not need extraneous human intervention.
By Fig. 2, Fig. 3 as can be known, the flow through electric current of outfan is identical with the electric current of sampling resistor R10.Therefore calculate by the magnitude of voltage of the gathering sampling resistor R10 line correlation of going forward side by side, can learn the output current of outfan.After the selected stimulus modelity of user and stimulus intensity, control chip can be controlled the dutycycle of voltage boosting pulse automatically according to the voltage of sampling resistor R10, and then realizes the constant current output of electric current.
At present, existing analgetic apparatus for childbirth, though multiple functionally (can detect physiological parameters such as puerpera's blood pressure, pulse simultaneously, some parameter and other monitor functions repeat), but all be to pass through mains-supplied, the bulky use inconvenience of instrument, and be to be operated by the specialist, the labor intensive resource.
This utility model can use two joint dry cell power supplies, guarantee to realize on the basis of analgesic effect, has realized puerpera's autonomous operation, isopulse Current Control, light characteristics such as easy-to-use, has more generalization and clinical meaning.
As mentioned above, just can realize this utility model preferably.
Embodiment of the present utility model is not restricted to the described embodiments; other are any not to deviate from change, the modification done under spirit of the present utility model and the principle, substitute, combination, simplify; all should be the substitute mode of equivalence, be included within the protection domain of the present utility model.
Claims (4)
1. portable isopulse electric current inhibiting pain in parturition instrument, comprise the surface patch electrode of shell, key-press module, display module, installation control circuit, connection instrument and human body in the enclosure, it is characterized in that: described control circuit comprises booster circuit, the generation of bidirectional pulse ripple and output circuit, isopulse current control circuit.
2. portable isopulse electric current inhibiting pain in parturition instrument according to claim 1, it is characterized in that: described booster circuit comprises first audion, second audion, the 3rd audion and the 4th audion;
Wherein, first transistor collector is received VCC1, emitter stage is connected to the emitter stage of second audion, and the base stage of first audion and second audion is in parallel and be connected to the control pin PCtrl end of control chip through resistance, and the colelctor electrode of second audion is connected to ground; First audion makes A point, B point current potential equate with the second audion tandem working;
Receive VCC1 through inductance again after the colelctor electrode parallel connection of the 3rd audion and the 4th audion, link to each other with the emitter stage of first audion with second audion again after the base stage parallel connection of the 3rd audion and the 4th audion, the emitter stage of the 3rd audion and the 4th audion is received ground, the colelctor electrode process diode of the 3rd audion and the 4th audion is connected to the anode of electrochemical capacitor, and the negative terminal of electrochemical capacitor is connected to ground; The outfan UCC of booster circuit is drawn by the electrochemical capacitor anode.
3. portable isopulse electric current inhibiting pain in parturition instrument according to claim 1, it is characterized in that: the bidirectional pulse ripple produces with output circuit and comprises control chip, the leads ends VCtrl-1 of this control chip, the leads ends VCtrl-2 of control chip are connected to the base stage of the 5th audion, the 9th audion respectively by second resistance and the 6th resistance, in order to export the control signal that the bidirectional pulse ripple produces; The anode of output electrode is connected to the colelctor electrode of the 6th audion and the emitter stage of the 11 audion by inductance, the negative terminal of output electrode is connected to the colelctor electrode of the tenth audion and the emitter stage of the 7th audion by inductance, the colelctor electrode of the 7th audion and the 11 audion is connected to ground through sampling resistor, and sampling resistor one end is connected to the sampling leads ends AD_P of control chip simultaneously; When control chip leads ends VCtrl-1 output high level, control chip leads ends VCtrl-2 output low level, the forward waveform that the 5th audion, the 6th audion, the 7th audion, the 8th audion conducting, outfan are positive terminal potential height, the negative terminal current potential is low; When control chip leads ends VCtrl-1 output low level, VCtrl-2 output high level, the 9th audion, the tenth audion, the 11 audion, the 12 audion conducting, outfan is the negative sense waveform that positive terminal potential is low, the negative terminal current potential is high.
4. portable isopulse electric current inhibiting pain in parturition instrument according to claim 1, it is characterized in that: described isopulse current control circuit comprises sampling resistor, stabilivolt and control chip; Sampling resistor one end is connected to the sampling leads ends AD_P of control chip, other end ground connection; Control chip is gathered the voltage at sampling resistor two ends by sampling pin AD_P, the stimulus intensity of monitoring output in real time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320131200 CN203154605U (en) | 2013-03-21 | 2013-03-21 | Portable constant-pulse-current parturition analgesia instrument |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201320131200 CN203154605U (en) | 2013-03-21 | 2013-03-21 | Portable constant-pulse-current parturition analgesia instrument |
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| CN203154605U true CN203154605U (en) | 2013-08-28 |
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| CN 201320131200 Expired - Fee Related CN203154605U (en) | 2013-03-21 | 2013-03-21 | Portable constant-pulse-current parturition analgesia instrument |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103949011A (en) * | 2014-05-14 | 2014-07-30 | 深圳市是源医学科技有限公司 | Portable wireless transcutaneous electric nerve stimulator |
| CN104117148A (en) * | 2014-08-13 | 2014-10-29 | 深圳市是源医学科技有限公司 | Electrical stimulation system for hastening parturition through acupoint between shoulder and ta chuei |
| CN104548343A (en) * | 2015-01-14 | 2015-04-29 | 深圳市是源医学科技有限公司 | Intelligent analgesic apparatus |
| CN106669030A (en) * | 2015-11-09 | 2017-05-17 | 青风医疗有限公司 | Optimization of application of current |
| CN107551395A (en) * | 2017-08-30 | 2018-01-09 | 四川艾力特电子科技有限公司 | One kind analgesia rod |
| CN107579724A (en) * | 2017-08-30 | 2018-01-12 | 四川艾力特电子科技有限公司 | A kind of low frequency Analgesic devices |
| CN109731230A (en) * | 2019-01-03 | 2019-05-10 | 重庆悠悦智能科技有限公司 | A kind of circuit being exclusively used in quantum wave analgesia instrument |
| CN110597340A (en) * | 2019-10-14 | 2019-12-20 | 无锡益碧医疗科技有限公司 | Bidirectional constant-current pulse driving system for electrical stimulation treatment |
| US11278719B2 (en) | 2012-12-06 | 2022-03-22 | Bluewind Medical Ltd. | Delivery of implantable neurostimulators |
| US11400299B1 (en) | 2021-09-14 | 2022-08-02 | Rainbow Medical Ltd. | Flexible antenna for stimulator |
| US11439833B2 (en) | 2016-11-23 | 2022-09-13 | Bluewind Medical Ltd. | Implant-delivery tool |
| US11648410B2 (en) | 2012-01-26 | 2023-05-16 | Bluewind Medical Ltd. | Wireless neurostimulators |
-
2013
- 2013-03-21 CN CN 201320131200 patent/CN203154605U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11648410B2 (en) | 2012-01-26 | 2023-05-16 | Bluewind Medical Ltd. | Wireless neurostimulators |
| US11278719B2 (en) | 2012-12-06 | 2022-03-22 | Bluewind Medical Ltd. | Delivery of implantable neurostimulators |
| CN103949011A (en) * | 2014-05-14 | 2014-07-30 | 深圳市是源医学科技有限公司 | Portable wireless transcutaneous electric nerve stimulator |
| CN104117148B (en) * | 2014-08-13 | 2016-08-24 | 深圳市是源医学科技有限公司 | A kind of Jianjing point is hastened parturition electric stimulation |
| CN104117148A (en) * | 2014-08-13 | 2014-10-29 | 深圳市是源医学科技有限公司 | Electrical stimulation system for hastening parturition through acupoint between shoulder and ta chuei |
| CN104548343A (en) * | 2015-01-14 | 2015-04-29 | 深圳市是源医学科技有限公司 | Intelligent analgesic apparatus |
| CN106669030A (en) * | 2015-11-09 | 2017-05-17 | 青风医疗有限公司 | Optimization of application of current |
| US11612747B2 (en) | 2015-11-09 | 2023-03-28 | Bluewind Medical Ltd. | Optimization of application of current |
| US11439833B2 (en) | 2016-11-23 | 2022-09-13 | Bluewind Medical Ltd. | Implant-delivery tool |
| CN107551395A (en) * | 2017-08-30 | 2018-01-09 | 四川艾力特电子科技有限公司 | One kind analgesia rod |
| CN107579724A (en) * | 2017-08-30 | 2018-01-12 | 四川艾力特电子科技有限公司 | A kind of low frequency Analgesic devices |
| CN109731230A (en) * | 2019-01-03 | 2019-05-10 | 重庆悠悦智能科技有限公司 | A kind of circuit being exclusively used in quantum wave analgesia instrument |
| CN110597340A (en) * | 2019-10-14 | 2019-12-20 | 无锡益碧医疗科技有限公司 | Bidirectional constant-current pulse driving system for electrical stimulation treatment |
| US11400299B1 (en) | 2021-09-14 | 2022-08-02 | Rainbow Medical Ltd. | Flexible antenna for stimulator |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130828 |