CN201108579Y - Control circuit of pneumatic power heart-lung resuscitating machine - Google Patents
Control circuit of pneumatic power heart-lung resuscitating machine Download PDFInfo
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- CN201108579Y CN201108579Y CNU2007201133082U CN200720113308U CN201108579Y CN 201108579 Y CN201108579 Y CN 201108579Y CN U2007201133082 U CNU2007201133082 U CN U2007201133082U CN 200720113308 U CN200720113308 U CN 200720113308U CN 201108579 Y CN201108579 Y CN 201108579Y
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Abstract
The utility model provides a control circuit of a device that is used for salving suffocated people, belongs to the field of electronic technology, and solves the problem that the existing cardiopulmonary resuscitator has the single function, the complex operation and the fixed frequency of pressing and oxygen therapy. The control circuit of the pneumatic cardiopulmonary resuscitator comprises a control center that is connected with a power module that is used for providing power, and a display that is used for displaying the work information; a display drive chip is arranged between the display and the control center; the control center is connected with a pressing controller and a breathing controller; the pressing frequency of the pressing controller, the ventilation frequency of the breathing controller and the added oxygen amount of each time are all controlled by the control center that is also connected with a regulating device that is used for regulating the pressing frequency, the ratio between the pressing frequency and the ventilation frequency, and the added oxygen amount of each time. The control circuit has the advantages of comprehensive function, simple operation and reasonable design. The proper ratio between the pressing frequency and the ventilation frequency can be timely selected according to the recovery state of the patient; thus the rate of successful rescuing is high.
Description
Technical field
This utility model belongs to electronic technology field, relates to a kind of control circuit of the rescue person of suffocating device.
Background technology
Cause in the urgent rescue that suffocates for drowned, electric shock, carbon monoxide poisoning etc., traditional method is artificial free-hand closed cardiac massage and artificial respiration.Free-hand recovery has its limitation, and the quality of rescuing personnel's resuscitation technique directly determines the effect of recovery; People's ratio of implementing free-hand resuscitation simultaneously is easier to fatigue, simultaneously can not the outer minute compression frequency of patient's breast is brought up to 〉=100 times, long-time one man operation is often crossed conference because of physical demands and made that the dynamics of pushing is improper, the position is inaccurate, and fracture of rib and visceral injury take place; Frequent replacing enforcement personnel can cause pushing interruption again, and the effect of influence recovery reduces the success rate of rescuing.Though life-kiss is simple to operate, seldom to implement in the rescue of reality owing to fear various infectious disease and rescuer's mental maladjustment, this also makes many patients lose the chance of bringing back to life; In addition, the rescuer sucks the gas in patient's lung easily, can cause damage to the rescuer, and the gas that is sucked by the person of rescuing also major part be waste gas behind the human body metabolism, can't reach the ideal effect of suing and labouring.
In order to sue and labour to the asphyxia patient, people have designed the rescue machine that suffocates miscellaneous.For example: at Chinese market existing a spot of " Sa Bo " made in U.S.A and " blue Shi Weike " " mechanical cardio-pulmonary resuscitation machine ".In addition, a kind of external chest compression formula cardio-pulmonary resuscitation machine (application number is 88208074) that Chinese patent literature also discloses, oxygen in the high-pressure oxygen cylinder that this machine is used when giving emergency treatment to a patient is power, serves as the main press device of forming with single-acting from the cylinder that resets, and it is adjustable according to pressing depth to reach the dynamics of pushing.Recovery when breathing equipment cooperates in order to patient's cardiopulmonary with press device.The display device that demonstration according to pressing depth reaches the dynamics of pushing also is housed on this machine.
As can be seen, above-mentioned external chest compression formula cardio-pulmonary resuscitation machine is when rescuing the asphyxia patient, and external chest compression and artificial respiration can carry out synchronously, and is more effective than wherein a kind of rescue mode of independent employing, increased the success rate of rescuing greatly.But it belongs to mechanical type control, is difficult to a minute external chest compression frequency is brought up to 〉=100 times, and can not freely selects to push the frequency ratio of ventilation.Practice is judged, when the patient is used cardiopulmonary resuscitation, the first, divide kind of external chest compression 〉=100 time to the patient recover blood pressure, blood flow is most important, the second, neededly the process of patient from suffocating fully to recover to breathe push optimum frequency with the artificial respiration than changing.This just needs rescue personnel recovery situation according to the patient when rescuing in time to adjust the frequency ratio of pushing and curing by oxygen therapy.Obviously, above-mentioned patent can't be accomplished.In addition, when the patient is in revival phase, need observes and guard every data such as patient's electrocardio, hearts rate, above-mentioned patent have this function yet, therefore also needs to increase accessory monitoring equipment.
The cardio-pulmonary resuscitation machine of existing other structure also exists similar problem.
Summary of the invention
The purpose of this utility model be proposed at the existing the problems referred to above of existing cardio-pulmonary resuscitation machine a kind of multiple functional, simple to operate, simultaneously single oxygen therapy gas with by two kinds of function selecting of pressure zone oxygen therapy freely with multiple compression frequency, push ventilation oxygen therapy when time amount of oxygen moment the air-actuated heart-lung resuscitating machine that switches control circuit.
The purpose of this utility model can realize by following technical proposal: a kind of control circuit of air-actuated heart-lung resuscitating machine, it comprises a control centre, in control centre, connect the promising display that it provides the power module of power supply and is used to show job information, display driver chip is arranged between display and the control centre, it is characterized in that, be connected with a push-button controller and a breath controller in the described control centre, the compression frequency of push-button controller and the ventilatory frequency of breath controller and time oxygen therapy amount are controlled by control centre, and also are connected with one are used to regulate compression frequency in control centre, push the ventilatory frequency adjusting device of time oxygen therapy amount when.
The rescue personnel select single oxygen therapy gas or press pressure zone oxygen therapy pattern by adjusting device according to practical situation when the asphyxia patient is rescued.The control signal that adjusting device produces is input to control centre, computing, the output of processing back through control centre, control signal after wherein handling is input in the breath controller and push-button controller that links to each other with control centre, thus the ventilatory frequency of the compression frequency of control push-button controller and breath controller and time oxygen therapy amount.Relevant job information is exported from control centre, is presented on the display electric power source pair of module The whole control circuit supply via display driver chip.
In the control circuit of above-mentioned air-actuated heart-lung resuscitating machine, also be connected with an electrocardio circuitry on the described power module, described electrocardio circuitry comprises a control centre, in control centre, connect the promising display that it provides the power module of power supply and is used to show electrocardiosignal, display driver chip is arranged between display and the control centre, and the ecg signal acquiring device links to each other with control centre with the A/D change-over circuit by placed in-line signal amplification circuit.
Also be connected with the electrocardio circuitry in the control circuit, the patient is when revival phase, can utilize signal picker that patient's electrocardio and heart rate signal are gathered, the signal that collects is successively through arriving control centre behind signal amplification circuit and the A/D change-over circuit, signal amplification circuit amplifies the signal that collects, and by the A/D change-over circuit analogue signal is changed into the digital signal that control centre can discern.Afterwards, the acquired signal of control centre with computing, after handling is presented on the display via driving chip, and power module is simultaneously to whole electrocardio circuitry power supply.
In the control circuit of above-mentioned air-actuated heart-lung resuscitating machine, described power module comprises a Voltage stabilizing module, and Voltage stabilizing module links to each other with control centre, is connected with lithium battery and/or external power supply on Voltage stabilizing module.Lithium battery and/or external power supply are adopted in the power supply of control circuit, and Voltage stabilizing module is powered to control centre, and demonstrates power supply signal on display.
In the control circuit of above-mentioned air-actuated heart-lung resuscitating machine, the ratio of described push-button controller compression frequency and breath controller ventilatory frequency is any one in 30: 2,15: 1 and 7: 1.Rescue personnel recovery situation according to the patient when rescuing is in time selected the suitable push-button controller compression frequency and the ratio of breath controller ventilatory frequency, improves the success rate of rescuing.
In the control circuit of above-mentioned air-actuated heart-lung resuscitating machine, described push-button controller compression frequency can be any one in 100 times/minute, 120 times/minute and 130 times/minute.Facts have proved that the compression frequency of push-button controller is that 100 times/minute, 120 times/minute and 130 times/minute are the most effective to rescue patient.
In the control circuit of above-mentioned air-actuated heart-lung resuscitating machine, described adjusting device is a keyboard that links to each other with control centre.The rescuer operates by the keyboard that links to each other with control centre, selects single oxygen therapy gas or presses pressure zone oxygen therapy airway dysfunction, and select suitable compression frequency and ventilatory frequency ratio.
In the control circuit of above-mentioned air-actuated heart-lung resuscitating machine, in control centre, also be connected with a high speed timing module.
In the control circuit of above-mentioned air-actuated heart-lung resuscitating machine, described signal amplification circuit comprises successively signal amplification circuit and the secondary singal amplifying circuit that links to each other.Double signal amplifies makes the electrocardiosignal amplification effect that collects better.
Compared with prior art, the control circuit of this air-actuated heart-lung resuscitating machine has the following advantages:
1, multiple functional, the rescuer is when rescuing the asphyxia patient, and it is automatic integrated that external chest compression and high-purity oxygen supply artificial respiration are combined into, and sues and labours simultaneously, and also has the function of electrocardio and rhythm of the heart demonstration.
2, simple to operate, rescuer's operating process can be finished by the keyboard that links to each other with control centre, selects single oxygen therapy gas or press pressure zone and cure by oxygen therapy airway dysfunction, and multiplely push oxygen therapy and switch than the moment.
3, reasonable in design, can in time select suitable compression frequency and ventilatory frequency ratio according to patient's recovery situation, improve the success rate of rescuing.
Description of drawings
Fig. 1 is the internal structure sketch map of this air-actuated heart-lung resuscitating machine.
Fig. 2 is the gas circuit structure sketch map of this air-actuated heart-lung resuscitating machine.
Fig. 3 is the operation principle block diagram of the control circuit of this air-actuated heart-lung resuscitating machine.
Among the figure, 1, housing; 2, fixing band; 3, air inlet pipe; 4, escape pipe; 5, oxygen supply pipe; 6, move the source air way switch valve; 7, oxygen source air way switch valve; 8, cylinder; 9, piston rod; 10, pressing plate; 11, gas outlet; 12, chamber; 13, air inlet; 14, control circuit.
The specific embodiment
Below be specific embodiment of the utility model and in conjunction with the accompanying drawings, the technical solution of the utility model is further described, but this utility model be not limited to these embodiment.
As depicted in figs. 1 and 2, this air-actuated heart-lung resuscitating machine, comprise housing 1 and be used for housing 1 is fixed on fixing band 2 on the human body, in housing 1 inner chamber, be provided with air inlet pipe 3, escape pipe 4 and oxygen supply pipe 5, the outer end of three pipes all is located on the housing 1, and the inner of air inlet pipe 3 joined with moving source air way switch valve 6 and oxygen source air way switch valve 7 simultaneously; Be provided with a cylinder 8 in housing 1 inner chamber, the piston rod 9 of cylinder 8 passes housing 1, the outer end of piston rod 9 pressing plate 10 that is being connected; Two gas outlets 11 of moving source air way switch valve 6 communicate with two air inlets 13 of cylinder 8 by trachea; The inner of escape pipe 4 and oxygen supply pipe 5 all is connected on the described oxygen source air way switch valve 7.Two gas outlets 11 of moving source air way switch valve 6 connect with two chambers 12 of cylinder 8 respectively by trachea.Switch blow vent as required repeatedly, during chamber 12 ventilations, another chamber 12 stops ventilation, because two 12 of chambers produce draught head, thereby makes the piston rod 9 of cylinder 8 produce motion, drives pressing plate 10 motions, and the asphyxia patient is rescued.
As shown in Figure 3, the control circuit of this air-actuated heart-lung resuscitating machine comprises pushes respiratory control circuit and electrocardio circuitry two parts, and powers by power module.
Push and comprise a control centre in the respiratory control circuit, and in control centre, connecting breath controller, push-button controller, keyboard and the module that clocks at a high speed; Be provided with a control centre in the electrocardio circuitry equally, the ecg signal acquiring device is successively by being connected in the control centre behind a signal amplification circuit, secondary singal amplifying circuit and the A/D change-over circuit of connecting.Push in the control centre in respiratory control circuit and the electrocardio circuitry and all be connected a display separately, and between display and control centre, all be connected in series a display driver chip.
In the power module as power pack, Voltage stabilizing module simultaneously with push the respiratory control circuit and link to each other with control centre in the electrocardio circuitry.In the present embodiment, external power supply and lithium battery are simultaneously as power supply source.
The rescue personnel select single oxygen therapy gas or press pressure zone oxygen therapy pattern by keyboard operation according to practical situation when the asphyxia patient is rescued.When selecting single oxygen therapy pattern, select the inferior oxygen therapy amount of the ventilatory frequency of per minute 12,15 or 20 times and 250ml, 500ml, 750ml equally by the operation of keyboard.In this process, the control signal that keyboard produces is input in the control centre, computing, the output of processing back through control centre, in the breath controller that control signal after the processing is input to control centre links to each other, thereby the ventilatory frequency of control breathing controller makes the ventilatory frequency of the selected setting of its match operation person.Meanwhile, control centre also exports a shows signal, through ventilatory frequency and time oxygen numerical quantity that shows selected setting behind the display driver chip on display.
When the rescue personnel select to press pressure zone oxygen therapy pattern by keyboard operation, the control signal that keyboard produces is input in the control centre, computing, the output of processing back through control centre, control signal after the processing is input in the breath controller and push-button controller that links to each other with control centre, thereby the compression frequency of control push-button controller and the ventilatory frequency of breath controller and time oxygen therapy amount, make compression frequency, ventilatory frequency and time oxygen therapy amount of the selected setting of its match operation person, it is 100,120 or 130 times that compression frequency can be selected per minute.Meanwhile, control centre equally also exports shows signal, through showing the compression frequency of selected setting behind the display driver chip and push ventilatory frequency and compare numerical value on display.
Operation by keyboard can also change their ratio of pushing ventilatory frequency according to patient's the recovery situation switching push-button controller compression frequency and the ventilatory frequency of breath controller, improves the success rate of rescuing.Phase I in that sudden death patient cardio-pulmonary resuscitation is rescued has produced certain blood pressure because of making the patient earlier, and the ratio of push-button controller compression frequency and breath controller ventilatory frequency adopted 30: 2; Second stage is because of rescuing process patient vital capacity recovering, and is very few unfavorable to suing and labouring as the oxygen supply number of times, changes compression frequency and ventilatory frequency, the ratio that it was adopted 15: 1; Phase III with 7: 1 push the ventilation ratio, make the Respiration Rate of patient's per minute and ordinary person approaching, more favourable suing and labouring proved effective.
The patient utilizes signal picker that patient's electrocardio and heart rate signal are gathered when revival phase.The signal that collects amplifies through signal amplification circuit and secondary singal amplifying circuit successively, is input in the control centre after by the A/D change-over circuit analogue signal being changed into the digital signal that control centre can discern again.Afterwards, the acquired signal of control centre with computing, after handling arrives display via driving chip, and shows that on display electrocardio and heart beating shield.
Push on the display in the respiratory control circuit and can demonstrate power supply signal, make things convenient for user to observe the charge volume of power supply operating position and lithium battery.
Claims (8)
1, a kind of control circuit of air-actuated heart-lung resuscitating machine, it comprises a control centre, in control centre, connect the promising display that it provides the power module of power supply and is used to show job information, display driver chip is arranged between display and the control centre, it is characterized in that, be connected with a push-button controller and a breath controller in the described control centre, the compression frequency of push-button controller and the ventilatory frequency of breath controller and time oxygen therapy amount are controlled by control centre, and also are connected with one are used to regulate compression frequency in control centre, push the ventilatory frequency adjusting device of time oxygen therapy amount when.
2, the control circuit of air-actuated heart-lung resuscitating machine according to claim 1, it is characterized in that, also be connected with an electrocardio circuitry on the described power module, described electrocardio circuitry comprises a control centre, in control centre, connect the promising display that it provides the power module of power supply and is used to show electrocardiosignal, display driver chip is arranged between display and the control centre, and the ecg signal acquiring device links to each other with control centre with the A/D change-over circuit by placed in-line signal amplification circuit.
3, the control circuit of air-actuated heart-lung resuscitating machine according to claim 1 and 2 is characterized in that, described power module comprises a Voltage stabilizing module, and Voltage stabilizing module links to each other with control centre, is connected with lithium battery and/or external power supply on Voltage stabilizing module.
4, the control circuit of air-actuated heart-lung resuscitating machine according to claim 1 and 2 is characterized in that, the ratio of described push-button controller compression frequency and breath controller ventilatory frequency is any one in 30: 2,15: 1 and 7: 1.
5, the control circuit of air-actuated heart-lung resuscitating machine according to claim 4 is characterized in that, described push-button controller compression frequency can be any one in 100 times/minute, 120 times/minute and 130 times/minute.
6, the control circuit of air-actuated heart-lung resuscitating machine according to claim 1 or 5 is characterized in that described adjusting device is a keyboard that links to each other with control centre.
7, the control circuit of air-actuated heart-lung resuscitating machine according to claim 6 is characterized in that, also is connected with a high speed timing module in control centre.
8, the control circuit of air-actuated heart-lung resuscitating machine according to claim 2 is characterized in that, described signal amplification circuit comprises successively signal amplification circuit and the secondary singal amplifying circuit that links to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201133082U CN201108579Y (en) | 2007-08-13 | 2007-08-13 | Control circuit of pneumatic power heart-lung resuscitating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201133082U CN201108579Y (en) | 2007-08-13 | 2007-08-13 | Control circuit of pneumatic power heart-lung resuscitating machine |
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| Publication Number | Publication Date |
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| CN201108579Y true CN201108579Y (en) | 2008-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201133082U Expired - Fee Related CN201108579Y (en) | 2007-08-13 | 2007-08-13 | Control circuit of pneumatic power heart-lung resuscitating machine |
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| CN (1) | CN201108579Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102499875A (en) * | 2011-11-01 | 2012-06-20 | 深圳市邦沃科技有限公司 | Pneumatic-controlled pneumatic cardiopulmonary resuscitator, pressing-breathing automatic switching system and method thereof |
| WO2021073615A1 (en) * | 2019-10-17 | 2021-04-22 | 苏州尚领医疗科技有限公司 | Gas path control system for pneumatic cardiopulmonary resuscitation pressing device |
-
2007
- 2007-08-13 CN CNU2007201133082U patent/CN201108579Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102499875A (en) * | 2011-11-01 | 2012-06-20 | 深圳市邦沃科技有限公司 | Pneumatic-controlled pneumatic cardiopulmonary resuscitator, pressing-breathing automatic switching system and method thereof |
| CN102499875B (en) * | 2011-11-01 | 2013-08-28 | 深圳市邦沃科技有限公司 | Pneumatic-controlled pneumatic cardiopulmonary resuscitator, pressing-breathing automatic switching system and method thereof |
| WO2021073615A1 (en) * | 2019-10-17 | 2021-04-22 | 苏州尚领医疗科技有限公司 | Gas path control system for pneumatic cardiopulmonary resuscitation pressing device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080903 Termination date: 20110813 |