CN1084089A - Minisize pulmonary recovering device - Google Patents
Minisize pulmonary recovering device Download PDFInfo
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- CN1084089A CN1084089A CN 92108543 CN92108543A CN1084089A CN 1084089 A CN1084089 A CN 1084089A CN 92108543 CN92108543 CN 92108543 CN 92108543 A CN92108543 A CN 92108543A CN 1084089 A CN1084089 A CN 1084089A
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- circuit
- signal
- pulmonary
- minisize
- recovering device
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Abstract
A kind of minisize pulmonary recovering device in order to treatment obstructive pulmonary disease (comprising chronic bronchitis, asthma, emphysema etc.), comprise power supply, timing circuit, signal generator, synchronous shaping, envelope circuit, oscillating circuit, output circuit and the therapeutic electrode that places skin under patient's bilateral chest lock mamillary process muscle outer edge, by the electricity irritation phrenic nerves, diaphram is shunk regularly, thereby reach the therapeutic purposes that help the respiratory muscle function rehabilitation.The volume of this minisize pulmonary recovering device is small and exquisite, and output electrode is few and capacity of resisting disturbance is strong, so be particularly suitable for that the patient is in or carry during outdoor activity and treat.
Description
The present invention relates to medical apparatus and instruments, relate in particular to a kind of minisize pulmonary recovering device.
Resistance lung rehabilitation instrument is the therapeutic equipments in order to treatment obstructive pulmonary disease (comprising chronic bronchitis, asthma, emphysema etc.), it is by placing the electrode on the skin under patient's bilateral chest lock mamillary process muscle outer edge, the electricity irritation phrenic nerves, diaphram is shunk regularly, improve ventilatory function thereby reach, help the therapeutic purposes of respiratory muscle function rehabilitation.But existing resistance lung rehabilitation instrument is generally mesa structure, and volume is big, Heavy Weight, only is suitable for hospital outpatient or ward and uses.In addition, existing resistance lung rehabilitation instrument need adopt four output electrodes to act on human body, use inconvenience, and output signal is failed with people's breathing synchronous, is subject to the outer signals interference, thereby influences the therapeutic effect of instrument.
The object of the present invention is to provide a kind of can output with human body exhale the synchronous stimulation electric impulse signal of body, and simple in structure, can carry the minisize pulmonary recovering device for the treatment of;
Another object of the present invention provides a kind of minisize pulmonary recovering device that can get rid of outer other interfering signal of breathing.
To achieve these goals, minisize pulmonary recovering device of the present invention comprises power supply, in order to produce the timing circuit of timing signal, in order to produce and to inhale the signal generator of exhaling synchronous ultra-weak electronic signal, in order to above-mentioned ultra-weak electronic signal is amplified, the synchronous shaping of shaping, in order to produce the oscillating circuit of electric impulse signal, in order to envelope circuit according to the above-mentioned oscillating circuit action of the signal controlling of above-mentioned timing circuit and synchronous shaping output, the output circuit and the electrode that boost in order to electric impulse signal to above-mentioned oscillating circuit output.
According to minisize pulmonary recovering device of the present invention, owing to can stimulate the generation of electric pulse by patient's respiratory control, not only having got rid of the signal that produces because of reasons such as patient's cough, motions disturbs, and can control the best use of time that stimulates electric pulse, promptly output stimulates electric pulse when patient's diaphram shrinks downwards, thereby can strengthen patient's diaphram contractility, the patient is obtained the effective treatment.In addition, because according to minisize pulmonary recovering device of the present invention, circuit structure is simple and easy, and profile is small and exquisite, and output electrode is few, is convenient to be placed in the pocket with oneself or be buckled on the belt use, so be particularly suitable for individual, family or away from the rural area patient use of hospital.
Below in conjunction with drawings and Examples minisize pulmonary recovering device of the present invention is described in further detail.
Fig. 1 is the block diagram of minisize pulmonary recovering device of the present invention.
Fig. 2 is the electrical schematic diagram of minisize pulmonary recovering device of the present invention.
Fig. 3 is the oscillogram of relative synchronous shaping circuit and envelope circuit operation characteristic in the expression minisize pulmonary recovering device of the present invention.
Fig. 4 A is the structural representation of the signal generator of minisize pulmonary recovering device of the present invention.
Fig. 4 B is the scheme of installation of piezoelectric ceramic piece in the signal generator shown in Fig. 4 A.
Fig. 5 is the shell side view of minisize pulmonary recovering device of the present invention.
Fig. 1 is the block diagram of minisize pulmonary recovering device of the present invention.Referring to Fig. 1, resistance pulmonary recovering device of the present invention comprises power supply 1, timing circuit 2, signal generator 3, synchronous shaping 4, envelope circuit 5, first oscillating circuit 6, second oscillating circuit 7, first output circuit 9, second output circuit 10 and electrode 11 and 12.After power supply 1 is connected, timing circuit 2 produces the timing signal of a lasting high level, and meanwhile, signal generator 3 is responded to generation on one's body and breathed synchronous ultra-weak electronic signal from the patient, this ultra-weak electronic signal is after synchronous shaping 4 is amplified shaping, and synchronizing signal is breathed in output one.Above-mentioned timing signal and breathing synchronizing signal are delivered to envelope circuit 5 together, the latter only just exports a square-wave signal when this timing signal is high level with the breathing synchronizing signal, this square-wave signal is in order to control the starting of oscillation of first oscillating circuit 6 and second oscillating circuit 7, that is above-mentioned oscillating circuit 6 and 7 is only just exported continuous impulse when envelope circuit 5 is output as high level, this continuous impulse produces continuous and anti-phase pulse signal on electrode 11 and 12 after first output circuit 9 and 10 conversion of second output circuit.
Fig. 2 is the electrical schematic diagram of minisize pulmonary recovering device of the present invention.See figures.1.and.2, power supply 1 can be an aneroid battery, also can adopt external power supply.Timing circuit 2 comprises multivibrator 21, enumerator 22 and trigger 23.As on and off switch K
1Connect when the e point, power connection is by IC
1(for example using 555 type time base circuits), resistance R
1, R
2, R '
2And capacitor C
1, C
2The multivibrator of forming 21 produces a continuous square-wave signal, and its cycle is: T=0.693 * [R
1+ 2(R
2+ R '
2)] C
1, select R
1, R
2, R '
2And C
1, for example, make T=0.439 second.By ic chip
222 pairs of these continuous square-wave signal countings of the enumerator that (for example adopting 4020 type enumerators) constitutes are worked as K switch
2Connect to IC
2During 2 ends, output duration is 30 minutes (0.439 second * 2
12) high level signal, work as K
2Connect to IC
2During 3 ends, output duration is 60 minutes (0.439 second * 2
13) high level signal.This high level signal is through diode D
1The coupling input is by ic chip
3(for example using 4013 type d type flip flops), capacitor C
3And resistance R
4The trigger of forming 23 makes IC
32 and 5 ends are high level by the low level upset of original state, promptly export the timing signal V of a lasting high level
3, meanwhile, light emitting diode D
9(regularly indication with) switched on and lighted.IC
31 end level and 2 end level are Q and Q relation, with IC
31 end is connected to IC
211 ends can control counter 22 countings (low level) or reset (high level).
Fig. 3 is the oscillogram of expression synchronous shaping 4 and envelope circuit 5 acting characteristics, narrates the course of action of circuit 4 and circuit 5 below in conjunction with Fig. 2 and Fig. 3.By JK
1The ultra-weak electronic signal of input is after relatively amplifying circuit 41 is handled, at IC
81 end is exported a square-wave signal V
8, signal V
8When being added to first shaping circuit 42, its rising edge driving transistors U
4Rapid saturation conduction, and pass through capacitor C
13At IC
92 ends produce a negative pulse V
9-2, shown in Fig. 3 (a).Meanwhile, IC
93 ends be high level by the upset of the low level of original state, export a square-wave signal V
9-3, its duration T
9By R
28, W
3And C
15Decision is shown in Fig. 3 (b).During this, light emitting diode D
11(anti-interference indication with) lights because of energising.Signal V
9-3Be added to 2 ends with door 51.As previously mentioned, timing signal V in therapeutic process
3Be always high level, this high level signal is added to 1 end with door 51.Therefore, as signal V
9-3Rising edge when being added to door 51 2 ends, its 3 end is exported a high level signal V simultaneously
4Signal V
4When being added to the second shaping monostable circuit 52, its situation is identical with the first shaping monostable circuit 42, at IC
53 ends are exported a square-wave signal V
5, shown in Fig. 3 (d).Adjust W
3, make signal V
9-3High level lasting time T
9=T
Exhale-0.3 second (T wherein
ExhaleBe patient respiratory signal V
ExhaleCycle, see shown in Fig. 3 (c)).Because IC
9Self character, when its 3 end output high level, trigger end 2 is inoperative.So at T
9Remove above-mentioned pulse V during this time
9-2Outward, other any signal all can not be at IC
52 ends produce a negative pulse again.Correspondingly, IC
53 ends are at T
9Remove signal V during this time
9-3Rising edge outside, can not produce second square-wave signal more yet.Therefore, signal V
5Also be synchronous fully with patient's breathing.Like this, circuit 42 has in fact just been got rid of the interference of other signal except that breathing, and has played anti-interference effect.Above-mentioned T
9More near T
Exhale, interference free performance is good more, but T
9Can not be greater than T
Exhale, otherwise can destroy the operate as normal of circuit.
Minisize pulmonary recovering device of the present invention utilizes first oscillating circuit 6 and second oscillating circuit 7 to produce the pulse signal that acts on patient's human body simultaneously.Wherein, first oscillating circuit 6 is by ic chip
6(for example 555 time base circuits), resistance R
12-R
13, capacitor C
9-C
10And diode D
2-
3Form, second oscillating circuit 7 is by ic chip
7(with IC
6Identical), resistance R
15-R
16, capacitor C
11-C
12And diode D
4-D
5Form.With IC
53 ends be connected respectively to IC
6And IC
74 ends (reset terminal) on, as signal V
5During for high level, light emitting diode D
10(vibration output indication with) switched on and lighted, and meanwhile, first oscillating circuit 6 and second oscillating circuit 7 produce continuous impulse signal V respectively
6And V
7, its frequency for example is 30Hz.As signal V
5During for low level, IC
6And IC
7Resetted circuit 6 and 7 no-outputs by force.Like this, pulse signal V
6And V
7In fact by signal V
5Control, promptly during treating, the every breathing of patient once, circuit 6 and 7 just sends a continuous impulse V
6And V
7And, by selecting R
10And C
6Suitable numerical value, make V
5Square width and V
ExhalePositive half cycle approaching substantially, that is when the patient is air-breathing, just make signal V
6And V
7Act on human body, thereby can obtain optimum therapeuticing effect.Then, signal V
6With
7Be added to respectively by transistor U
2, transformator B
1, resistance R
14, R
30, potentiometer W
1With diode D
7First output circuit of forming 9 and by transistor U
3, transformator B
2, resistance R
17, R
31, potentiometer W
2With diode D
8Second output circuit of forming 10 is through U wherein
2And U
3After the amplification, be input to B separately
1And B
2Elementary winding l
1And l
2, and utilize B
1And B
2Secondary windings l
3And l
4Reverse winding, obtaining phase contrast at two outfans is 180 ° two group pulse signal V after boosting
9And V
10Potentiometer W
1And W
2In order to regulate V
9And V
10Voltage amplitude, range of accommodation for example is 10-150V.Diode D
7And D
8Respectively in order to get rid of and V
9Or V
10Anti-phase interference waveform makes the impulse waveform of output better.At last, signal V
9And V
10Respectively by socket JK
2Be added on electrode 11 and 12.
Fig. 4 A is the structural representation of the signal generator 3 of minisize pulmonary recovering device of the present invention, and Fig. 4 B is the scheme of installation of piezoelectric ceramic piece 33 in the signal generator 3 shown in Fig. 4 A.Referring to Fig. 4 A, 4B, signal generator 3 comprises top board 31, fixing head 32 and piezoelectric ceramic piece 33.Wherein, plate 31 and 32 by insulant for example phenolic materials make, they respectively have a conductive surface S and insulating surface M, two surperficial S for example adopt Copper Foil and connect with line 34, piezoelectric patches 33 is arranged between plate 31M face and the plate 32S face, and its negative pole is welded on the S face of plate 32 with for example scolding tin.Lead-out wire 35 1 root beads are connected on the positive pole of piezoelectric patches 33, and another root bead is connected on the S face of plate 32, and their other end is connected to socket JK by plug (not shown)
1On.The piezoelectric patches unit for electrical property parameters is selected greater than 1V/50g or 15V/500g.The outside of this signal generator 3 is with soft insulant sealing such as for example cottons, top board 31 with signal generator 3 during use is provided with towards patient's abdominal part, when the patient is air-breathing, its abdominal part applies a power to top board 31, and adding a power to piezoelectric ceramic piece 33 by top board 31, piezoelectric ceramic piece 33 produces a ultra-weak electronic signal because of stressed.The effect of plate 31 and 32 two conductive surface S is in order to shielding piezoelectric ceramic piece 33, makes it to exempt from outer signals and disturbs.
Fig. 5 is the shell side view of minisize pulmonary recovering device of the present invention, and case back is provided with a fixation clamp 15, in order to by this fixation clamp 15 minisize pulmonary recovering device is buckled on patient's the belt.
Claims (6)
1, a kind of minisize pulmonary recovering device comprises power supply; In order to produce the timing circuit of timing signal; In order to produce the oscillating circuit of electric impulse signal; In order to output circuit and the electrode that described electric impulse signal is boosted; It is characterized in that it also comprises, in order to producing and the signal generator of breathing synchronous ultra-weak electronic signal, in order to described ultra-weak electronic signal is amplified, the synchronous shaping of shaping and in order to envelope circuit according to the described oscillating circuit action of signal controlling of described timing circuit and the output of described synchronous shaping.
2, minisize pulmonary recovering device as claimed in claim 1 is characterized in that, described synchronous shaping comprises comparison amplifying circuit that is connected with described signal generator and the first shaping monostable circuit that is connected with described relatively amplification circuit output end.
3, minisize pulmonary recovering device as claimed in claim 1 or 2, it is characterized in that described envelope circuit comprises AND circuit that is connected with described synchronous shaping outfan with described timing circuit outfan and the second shaping monostable circuit that is connected with described AND circuit outfan.
4, minisize pulmonary recovering device as claimed in claim 1 is characterized in that, described oscillating circuit comprises parallel be connected described envelope circuit output end and first oscillating circuit and second oscillating circuit in order to produce two groups of same electrical pulse signals respectively.
5, minisize pulmonary recovering device as claimed in claim 4, it is characterized in that, described output circuit comprises and is connected to described first output end of oscillating circuit and second output end of oscillating circuit, is converted to two first output circuit and second output circuits of forming the electric impulse signal of anti-phase output in order to two groups of identical electric impulse signals that described first oscillating circuit and second oscillating circuit are produced.
6, minisize pulmonary recovering device as claimed in claim 1, it is characterized in that, described signal generator comprises top board and fixing head and the piezoelectric ceramic piece of being made by insulant, described top board and fixing head respectively have a conductive surface and insulating surface, described piezoelectric ceramic piece is arranged between the conductive surface of the insulating surface of described top board and described fixing head, and two conductive surfaces of described top board and fixing head link to each other with a lead and the negative pole of described piezoelectric ceramic piece is connected with the conductive surface of described fixing head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92108543 CN1029458C (en) | 1992-09-02 | 1992-09-02 | Minisize pulmonary recovering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92108543 CN1029458C (en) | 1992-09-02 | 1992-09-02 | Minisize pulmonary recovering device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1084089A true CN1084089A (en) | 1994-03-23 |
| CN1029458C CN1029458C (en) | 1995-08-09 |
Family
ID=4943639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92108543 Expired - Fee Related CN1029458C (en) | 1992-09-02 | 1992-09-02 | Minisize pulmonary recovering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1029458C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116173409A (en) * | 2023-02-28 | 2023-05-30 | 宁波迈达医疗仪器有限公司 | Percutaneous electrical stimulation system synchronous with respiration |
-
1992
- 1992-09-02 CN CN 92108543 patent/CN1029458C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116173409A (en) * | 2023-02-28 | 2023-05-30 | 宁波迈达医疗仪器有限公司 | Percutaneous electrical stimulation system synchronous with respiration |
| CN116173409B (en) * | 2023-02-28 | 2023-08-18 | 宁波迈达医疗仪器有限公司 | Percutaneous electrical stimulation system synchronous with respiration |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1029458C (en) | 1995-08-09 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |