CN101416917A - Air-pressure control assembly - Google Patents
Air-pressure control assembly Download PDFInfo
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- CN101416917A CN101416917A CNA2007101817683A CN200710181768A CN101416917A CN 101416917 A CN101416917 A CN 101416917A CN A2007101817683 A CNA2007101817683 A CN A2007101817683A CN 200710181768 A CN200710181768 A CN 200710181768A CN 101416917 A CN101416917 A CN 101416917A
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Abstract
The invention discloses an air pressure control assembly which is used in a breathing emergency device and used for pumping in gas of a gas supply source to be transformed into preset intermittent pressure to pump out. The air pressure control assembly comprises a gas supply device, an actuating device and a control device, wherein, the gas supply device is connected with the gas supply source pneumatically; the actuating device can be fit between a first position and a second position to carry out a reciprocating movement so as to provide the preset intermittent pressure; when close to the first position and the second position, the actuating device can respectively output a first low pressure signal and a second low pressure signal; the control device is connected between the gas supply device and the actuating device pneumatically and when the gas of the gas supply source is pumped in the gas supply device, the control device can properly control the actuating device for the reciprocating movement.
Description
Technical field
The present invention relevant a kind of air-pressure control assembly, the particularly air-pressure control assembly of relevant a kind of first aid respirator device in order to the gas input with an air supply source, are converted to a default intermittent pressure output, make whole air-pressure control assembly can exempt power supply unit.
Background technology
Cardiopulmonary resuscitation (Cardio-Pulmonary Resuscitation, CPR) be the first-aid method of a kind of artificial respiration of merging and the outer massage of artificial breast, often be used in the first aid that breathing heart beating that burst caused in the contingency stops, emergency medical receiver is breathed and the normal performance of heart rhythm function to keep, make its blood can carry enough oxygen, earn a bare living to brain.
Artificial CPR has certain enforcement method, whether heart beating can recover in the utmost point short time (usually only several minutes) owing to concern, and spontaneous breathing of continuing, or can be in the utmost point short time (usually about 4 minutes), the advanced cardiac that promptly continued 4 minutes gives first aid to art (ACLS), and increasing the chance that human body is survived, the enforcement method of CPR all needs mining height specification program and follows standard.These standards comprise the person's of being rescued posture, position; Push position, gesture, frequency, pressure, the execution time of suing and labouring, uniformity and the persistence of implementing pressure, indispensable, so the personnel that screw up discipline, obtain license must be arranged, can more effectively finish the action of suing and labouring.
For example, when implementing artificial CPR, rescuer's per minute must be fast, stable and push by about 50 to 100 times of the person's of rescuing breastbone tram with certain pressure, can not be interrupted, and expends very much muscle power.Yet the on-the-spot rescuer usually, meet CPR qualification person, something can only be found by accident, and not through seeking, add rescuer's technology, physical ability and psychology and the factor that can not expect such as fear, often have a strong impact on the quality of suing and labouring, in providing by the person of rescuing under the even and conforming compression situation, usually the effect of CPR is implemented in influence.Therefore, a kind of electronic CPR device that overcomes artificial CPR defective is satisfied development gradually.
The U.S. the 6th, 171, No. 267 patent has disclosed a kind of CPR of automatization device, and it is to do a reciprocating motion with air pressure mode driven plunger, and the cushion by piston nose carries out partial pushing to the sufferer breastbone, to prevent emergency medical receiver brain anoxia.This device is by compression depth and the frequency of a sequential control circuit in order to control piston, often be short of power supply unit owing to must implement the environment of CPR, or must be assigned to the electric power that the prolongation power supply can provide this device in addition, the availability of this device is subjected to very big restriction.If in the pond or the wet environment of pool edge, owing to increase the danger of getting an electric shock, more be unfavorable for the configuration of this device, so this kind device is difficult to by State Grid's safety detection standard (as UL), also be serious problems.Because the demand of power supply is arranged, this type of device is not suitable for outdoor use in operation, and is placed in by the hospital bed more.
The U.S. the 6th, 398 for another example, and a kind of CPR of automatization device that No. 745 patent disclosed mainly comprises a weight tray, members such as compression band, a motor drive mechanism and a motor control circuit module.Identical with aforementioned means, this device still needs by power supply with CD-ROM drive motor, and as the usefulness of control, and the place of its use is still because of being subject to the power supply supply, and can't popularize in any first aid part that needs.Moreover, by power-actuated CPR device, the supply of its electric power and interruption, has moment and pulse timely tendency, the sensation of pushing is bestowed on the historical facts or anecdotes border, very suddenly and strong, levels off to the scale of electric shock first aid as flowing mode, the person's of being rescued rib and internal organs, as easy as rolling off a log so injured, if after the person of being rescued slightly recovers consciousness, for this first aid mode, also obviously produce uncomfortable rapid constriction, very undesirable.
Comprehensively above-mentioned, be necessary in fact to redesign and a kind ofly need not power operation and pressing force is dark and the gentle CPR of automatization device, its have concurrently processing ease, simple in structure, safe in utilization, advantage such as be widely used.
Summary of the invention
A purpose of the present invention provides a kind of air-pressure control assembly, is used for a CPR device, in order to the gas input with an air supply source, is converted to a default intermittent pressure output, to produce the periodic compression effect, reaches the purpose of cardiopulmonary massage compression function.
Another object of the present invention provides a kind of air-pressure control assembly, is used for a CPR device.This vapour-pressure type CPR device need not driven by power, but utilize the strength mode pressure control loop of arranging in pairs or groups to order about a chest Belt-typing device, to produce the concordance compression effectiveness, the CPR device can be used in any place, extensive any places that need first aid such as DIYU mass transportation systems, fire-fighting/ambulance, station, school, mountain area, seashore, swimming pool, recreation ground for example reach the purpose of extensive use.
A further object of the present invention provides a kind of air-pressure control assembly, is used for a CPR device.The mechanism of its air pressure control is not only simple, and can reduce the failure risk and the manufacturing cost of CPR device.
According to the above object, air-pressure control assembly of the present invention comprises: a feeder, activates device, a control device.Wherein, feeder is that strength (pneumatically) connects air supply source.Actuating device is suitable can be between a primary importance and a second position, carry out one reciprocating type (reciprocating) motion, so that this default intermittent pressure to be provided, wherein this actuating device is fitted and can be exported one first low-voltage signal and one second low-voltage signal respectively near this primary importance and this second position the time.Control device is that strength is connected between this feeder and this actuating device, and after the gas of this air supply source was imported this feeder, this control device was fitted this actuating device of may command, carries out this reciprocating.
Description of drawings
For above-mentioned purpose of the present invention, technical characterictic and advantage can be become apparent, below in conjunction with accompanying drawing preferred embodiment of the present invention is elaborated, wherein:
Figure 1A and Figure 1B are the schematic perspective view and the schematic rear view of a CPR device of application air-pressure control assembly of the present invention;
Fig. 2 is the sketch map of first embodiment of air-pressure control assembly of the present invention;
Fig. 3 is the sketch map of second embodiment of air-pressure control assembly of the present invention;
Fig. 4 is the sketch map of the 3rd embodiment of air-pressure control assembly of the present invention;
Fig. 5 is the sketch map of the 4th embodiment of air-pressure control assembly of the present invention; And
Fig. 6 is the sketch map of the 5th embodiment of air-pressure control assembly of the present invention.
The specific embodiment
See also Figure 1A and Figure 1B, shown in the figure is respectively schematic perspective view and the schematic rear view of using a CPR device 100 of air-pressure control assembly of the present invention.This CPR device 100 mainly comprises a carrying plate body 20, an air-pressure control assembly 30, an air supply source 40 and a chest Belt-typing device 50.Specifically, carrying plate body 20 can provide carrying one emergency medical receiver, and chest Belt-typing device 50 then is arranged on the carrying plate body 20 and emergency medical receiver chest 90 corresponding positions, and is connected with air-pressure control assembly 30 and air supply source 40 strengths.Air-pressure control assembly 30 is as the usefulness of 50 expansions of control chest Belt-typing device or contraction, and air supply source 40 can be a gas cylinder or an inflatable aerator, but is not limited only to this.Using CPR device 100 of the present invention is expansion or contractions of controlling chest Belt-typing devices 50 by air-pressure control assembly 30, makes the chest 90 of emergency medical receiver can accept an effect even, that periodically push.
In addition, carrying plate body 20 also comprises a control area, and it has several control handles 60, is connected with air-pressure control assembly 30 strengths, and the gas that is provided with control air supply source 40 enters in the chest Belt-typing device 50.In preferred embodiment, first aid person can set control handle 60 according to age, build, the sex of emergency medical receiver, makes air-pressure control assembly 30 that suitable chest compression pattern is provided.For example, can set about 50 to the 100 times chest compression frequency of per minute, it pushes about 4 to 8 centimetres of stroke, about 30 to 60 kilogram weights of press pressure.
Specifically, one of CPR device 100 its features of using air-pressure control assembly 30 of the present invention are that periodically cardiopulmonary resuscitation is provided under the environment of unregulated power.See also Fig. 2, it shows the sketch map of air-pressure control assembly 30 first embodiment of the present invention.This first embodiment be air-pressure control assembly 30 of the present invention basic aspect one of them, these air-pressure control assembly 30 strengths connect air supply source 40, the gas input of air supply source 40 is converted to a default intermittent pressure output, reaches the effect that the uniformity cycle pushes among the aforementioned CPR.The air-pressure control assembly of present embodiment comprises a feeder 31, and activates a device 32 and a control device 33.
Particularly, in present embodiment, feeder 31 is that strength is connected to air supply source 40, and feeder 31 comprises a starting switch 311, with the gauge tap as air-pressure control assembly 30 air feed.Secondly, actuating device 32 mainly provides aforementioned default intermittent pressure and gives chest Belt-typing device 50, chest Belt-typing device 50 is expanded thereupon or shrinks, and the effect that generation one-period property is pushed is on the chest 90 of emergency medical receiver.Generally speaking, actuating device 32 is suitable can to carry out one reciprocating type (reciprocating) motion between a primary importance X1 of its inside and a second position X2, in particular, actuating device 32 is near primary importance X1 and this second position X2 the time, suitable can export one first low-voltage signal respectively and one second low-voltage signal gives control device 33, move back and forth in order to assist control device 33 control actuating devices 32.In present embodiment, actuating device 32 comprises a pneumatic cylinder 321, and primary importance X1 is a top dead-centre of pneumatic cylinder 321 1 pistons motion, further to define a top dead-centre air chamber of pneumatic cylinder 321.On the other hand, second position X2 is for a bottom dead centre of this piston motion, further to define a bottom dead centre air chamber of pneumatic cylinder 321.
In addition, control device 33 strengths are connected between feeder 31 and the actuating device 32, and behind the gas input feeder 31 that air supply source 40 is supplied, control device 33 suitable may command actuating devices 32 carry out aforesaid reciprocating.Specifically, control device 33 comprises a logical valve group 331 and one first two-way valve 332.Wherein, logical valve group 331 strengths are connected to feeder 31 and actuating device 32, carry out this reciprocating in order to control actuating device 32.On the other hand, first two-way valve, 332 strengths are connected to feeder 31, actuating device 32 and logical valve group 331.In particular, it has one first gas circuit P1 and one second gas circuit P2, is communicated to this top dead-centre air chamber and this bottom dead centre air chamber respectively.Particularly, logical valve group 331 comprises one first reverse logic valve 3311 and one second reverse logic valve 3312.Wherein, the first reverse logic valve, 3311 strengths connect the first gas circuit P1 of first two-way valve 332.On the other hand, the second reverse logic valve, 3312 strengths connect the second gas circuit P2 of first two-way valve 332.The first reverse logic valve 3311 and the second reverse logic valve 3312 suitable can be mutually should first low-voltage signal and this second low-voltage signal, make the first reverse logic valve 3311 and one second reverse logic valve, 3312 alternative expression ground output one first signal and a secondary signal, switch to the first gas circuit P1 and the second gas circuit P2 to drive first two-way valve 332 respectively, it is fitted to be communicated with feeder 31.
In the preferable enforcement aspect of present embodiment, air-pressure control assembly 30 of the present invention also comprises a pressure regulator valve 36 and a flow speed control valve 37.Pressure regulator valve 36 is to be connected with first two-way valve 332, adjusts the height of admission pressures in order to different factors such as age of foundation emergency medical receiver, build, sex, and then adjusts the intermittent pressure of actuating device 32 default outputs.Secondly, flow speed control valve 37 is to be connected with first two-way valve 332, make dynamic frequency in order to one of this reciprocating of adjusting actuating device 32, wherein this is made dynamic frequency and can be adjusted because of actual needs, generally speaking actuating device 32 do dynamic frequency in fact per minute can reach 50 to 110 times, be preferably per minute and can reach 100 times.
Below will describe the operation of present embodiment in detail, and please cooperate and consult Fig. 2, but wherein each interelement pipeline connection status conjunction with figs. and the following description, when obtaining clearly to understand:
1. at first, external air source through managing 0, enters the starting switch 311 of feeder 31 from air supply source 40 respectively, and enters first two-way valve 332 through behind the pressure regulator valve 36.
2. then, through the gas of first two-way valve 332, will be because of the home position difference of first two-way valve 332 at that time, can make gas must enter pneumatic cylinder 321 and allow the piston start by the pipe 15 of the pipe 12 of the second gas circuit P2 or the first gas circuit P1.
3. hypothesis gas enters in the pneumatic cylinder 321 by managing 15 earlier, allow piston (as accompanying drawing right-hand) when second position X2 advances, hereat, chest Belt-typing device 50 will present a deflated state because of the start of associated mechanisms on the CPR device 100, and then apply a pressure to the chest of emergency medical receiver.
4. rise gradually because of continuous air inlet build-up of pressure when the piston left side, up to piston arrive at second position X2 (that is, bottom dead centre) time, because of piston can't move on, pneumatic cylinder 321 and pressure regulator valve N pressure setting are with identical (can adjust admission pressure according to setting), chest Belt-typing device 50 will present the suitable state that tightens at this moment, allow the CPR device exert pressure to the emergency medical receiver chest, just as the application of force state of artificial CPR.What must emphasize is, because CPR device of the present invention is in the process that the emergency medical receiver chest is exerted pressure, characteristic because of the air pressure pressurization, its pressure is to carry out with pressing mode gradually, make emergency medical receiver can obtain having concurrently the safe and comfortable effect of pushing, not if prior art is patted the danger that the emergency medical receiver chest has the rib fracture with Electronic Control machinery pulse mode.
5. simultaneously, the right-hand member side of pneumatic cylinder 321 is also because of piston no longer moves on, thereby original high-voltage signal will change and produce second low-voltage signal that a pressure reduces, will be by managing 12 to second reverse logic valves 3312.
6. at this moment, the second reverse logic valve 3312 suitable can be mutually should second low-voltage signal, export a secondary signal, to make first two-way valve 332 switch supply position, the pipe 15 (the first gas circuit P1) of original air feed is changed over pipe 12 (the second gas circuit P2), make the gas of feeder enter pneumatic cylinder 321 by managing 12, and this moment pneumatic cylinder 321 with reverse start, that is move toward primary importance X1 (top dead-centre).This start will make the chest Belt-typing device 50 of CPR device change into lax state from the state that originally tightened, to loosen the application of force to emergency medical receiver.
7. treat that piston moves to after top dead center, pneumatic cylinder 321 will produce first low-voltage signal that a pressure reduces, this first low-voltage signal is through 15 pipe to the first reverse logic valves 3311, make the first reverse logic valve 3311 mutually should first low-voltage signal, export one first signal and deliver to first two-way valve 332 through managing 17, make its pipe that changes original air feed 12 (the second gas circuit P2) change over pipe 15 (the first gas circuit P1), make to allow pneumatic cylinder change the bottom dead centre propelling of direction once again, allow the CPR device push to emergency medical receiver once again toward second position X2.
This moment the CPR device with repeating step 4 to step 7, till the CPR that finishes emergency medical receiver.What must illustrate is, the first embodiment of the present invention provides unanimity and the tool that a per minute can reach 50 to 110 times and periodically pushes, and because of chest Belt-typing device 50 of the present invention is the adjustable belt bodies of a large tracts of land, therefore can provide emergency medical receiver appropriate chest massage, reduce danger such as emergency medical receiver rib fracture.
Then, see also Fig. 3, this figure display application second embodiment of the present invention, this embodiment is the further application of first embodiment, it mainly is in the configuration of first embodiment, adds an involution function in actuating device.Specifically, the purpose of this involution function is to make actuating device to be back to an involution position, makes the chest Belt-typing device be in a relaxed state, and the handled easily person can be validly fixedly behind the tram of emergency medical receiver, restarts native system.
Each arrangements of components and first embodiment of second embodiment shown in Figure 3 are roughly the same, please merge and consult aforementioned content and accompanying drawing.Second embodiment and the first embodiment difference are that mainly this air-pressure control assembly 30 also comprises a re-setting device 34, and its strength connects feeder 31 and control device 33.Particularly, the re-setting device 34 in the present embodiment comprises one first selecting type logical valve 341, and it is that strength is connected in 3312 on first two-way valve 332 and the second reverse logic valve.
The operation principles of re-setting device 34 is: when the starting switch 311 of feeder 31 is in closed condition, air supply source 40 is fitted can be directly by the pipe 2 first selecting type logical valves 341 to re-setting device 34, make it export a highly compressed slot signal, first two-way valve 332 of driving control device 33 switches to the second gas circuit P2, make the bottom dead centre air chamber of pneumatic cylinder 321 be able to strength connection air supply source 40, with promote pneumatic cylinder 321 toward primary importance X1 (that is, top dead-centre) direction start, so that the chest Belt-typing device of CPR device presents a relaxed state, provide broad space to give emergency medical receiver, make things convenient for the tram of the appropriate fixedly emergency medical receiver of first aid person's energy on the carrying plate body.After treating that emergency medical receiver is fixedly finished, first aid person can start air-pressure control assembly 30 of the present invention.What wherein must illustrate is that the CPR operation and the principle of present embodiment startup air-pressure control assembly 30 are all identical with aforesaid first embodiment, see also aforementioned content, omit now and do not state in this.
See also Fig. 4, this figure shows the third embodiment of the present invention, this embodiment also is the further application of first embodiment, it mainly is in the configuration of first embodiment, add a counting assembly, its purpose is to provide first aid person to suspend CPR one scheduled time of device after the CPR device is pushed the certain number of times of emergency medical receiver, can in this interval, cooperate enforcement artificial respiration or respiratory organ to assist emergency medical receiver to breathe in order to first aid person, to provide emergency medical receiver more perfect CPR rescue.
Specifically, air-pressure control assembly 30 also comprises a counting assembly 35 outside the configuration of first embodiment, and strength connects feeder 31 and control device 33.After the reciprocating of actuating device 32 starts one pre-determined number, for example, after the predetermined starts of actuating device 32 30 times, counting assembly 35 will cooperate to be exported a signal and gives control device 33, make control device 33 suspend 32 1 scheduled times of actuating device, wherein should the scheduled time for example can be for 5 seconds.
The counting assembly 35 of present embodiment comprises one second two-way valve 351, one the 3rd two-way valve 352, an enumerator 353, a choke valve 354 and a gas receiver 355.Wherein, second two-way valve, 351 strengths connect the feeder 31 and the second reverse logic valve 3312.The 3rd two-way valve 352 strengths connect the feeder 31 and the second reverse logic valve 3312, and have one the 3rd gas circuit P3 and one the 4th gas circuit P4.After feeder 31 switched to an opening, air supply source 40 was fitted and can be connected to the second reverse logic valve 3312 by the 3rd gas circuit P3 strength of the 3rd two-way valve 352.In addition, enumerator 353 strengths connect second two-way valve 351 and the 3rd two-way valve 352.Choke valve 354 strengths connect the 4th gas circuit P4 and the enumerator 353 of the 3rd two-way valve 352.Gas receiver 355 strengths connect the 3rd two-way valve 352 and choke valve 354.The configuration relation of other elements of present embodiment and aforementioned first embodiment are roughly the same, see also aforementioned content, will not give unnecessary details now.
Below will describe the operation of present embodiment in detail, and please cooperate and consult Fig. 4, but wherein each interelement pipeline connection status conjunction with figs. and the following description, when obtaining clearly to understand:
1. open the starting switch 311 of feeder 31, the gas that air supply source 40 is provided flow to pipe 5 by managing 9, and passes to pipe 9-L and pipe 9-R again respectively.
2. the gas by pipe 9-L flow to the second reverse logic valve 3312 by the 3rd two-way valve 352.
3. the gas by pipe 9-R flow to the first reverse logic valve 3311.
4. suppose original pneumatic cylinder 321 rest on contiguous second position X2 (that is, bottom dead centre) locates, because pneumatic cylinder 321 right side cylinder internal gas pressures are low, therefore one second low-voltage signal will arrive at the second reverse logic valve 3312 through managing 12 by the second gas circuit P2, the second reverse logic valve 3312 will produce an opposite gases at high pressure signal this moment, that is secondary signal, by managing 11, managing 14 arrival, first two-way valve 332.
5. this highly compressed secondary signal will order first two-way valve 332 to change the gas outgoing positions to become the second gas circuit P2 from the first gas circuit P1 and give vent to anger, and enter pneumatic cylinder 321 right sides through managing 12, the piston of guiding pneumatic cylinder 321 is toward primary importance X1 start, and the chest Belt-typing device 50 of CPR device will present lax state this moment.
6. the piston of pneumatic cylinder 321 is moved to the left primary importance X1 (that is, top dead-centre) and locates to stop, because the rare low pressure that becomes of gas, first low-voltage signal will be by managing 15 arrival, the first reverse logic valve 3311 hereat in this moment pneumatic cylinder 321 left side cylinders.
7. after the first reverse logic valve 3311 receives first low-voltage signal, will produce a high-voltage signal, and arrive first two-way valve 332 by managing 17, ordering first two-way valve 332 to change original air feed direction is the first gas circuit P1.
8. the gas of the pipe 15 by the first gas circuit P1 will enter pneumatic cylinder 321, make pneumatic cylinder 321 move toward second position X2 directions in addition, make chest Belt-typing device 50 become tension by relaxed state, be equivalent to manually implement the application of force state of CPR.As aforementioned, because pressure is to add all chests in emergency medical receiver in the mode that raises gradually, thereby emergency medical receiver can be experienced the safe and the most appropriate effect of pushing.
9. when pneumatic cylinder 321 has arrived the pressure of setting, because input air pressure and the equilibrated relation of pneumatic cylinder 321 air pressure inside, pneumatic cylinder 321 can't move on, therefore the pressure on pneumatic cylinder 321 right sides will reduce, second low-voltage signal of low pressure will be again through pipe 12 to second reverse logic valves 3312, make the second reverse logic valve 3312 produce secondary signal, by managing 11, managing 14 arrival, first two-way valve 332.
10. first two-way valve 332 receives the direction that changes output gas after these secondary signals and enters pneumatic cylinder 321 right sides from the pipe 12 of the second gas circuit P2, the piston of guiding pneumatic cylinder 321 is toward primary importance X1 start, the chest Belt-typing device 50 of CPR device will present relaxed state once more, so go round and begin again.
11. it is aforementioned by the secondary signal of the second reverse logic valve, 3312 outputs in order to indirect control pneumatic cylinder 321 starts, will be by pipe 13, second two-way valve 351, pipe 6 is to enumerator 353, enter from the Z end of enumerator 353, the secondary signal of at every turn importing enumerator 353 into will increase enumerator 353 1 countings, treat that number of times reaches a pre-determined number, for example after 30 times, enumerator 353 will be sent a highly compressed halt signal, by managing 7 to the 3rd two-way valves 352, order changes the 3rd two-way valve 352 original air feed directions through the 3rd gas circuit P3, the action of original control pneumatic cylinder 321 reciprocal starts is stopped, and the 3rd gas circuit P3 that original air feed gives the second reverse logic valve 3312 is turned to the pipe 8 of the 4th gas circuit P4, enter the Y end of enumerator 353, the count recording of setting continuous start 30 times in original enumerator 353 is made zero.On the other hand, be to choke valve 354 and gas receiver 355 through pipe 8-1 through managing another air-flow of 8.
13., so go round and begin again once after the number of times of pneumatic cylinder 321 reciprocal starts arrives 30 times, get back to step 2 again.
Secondly, see also Fig. 5, its display application fourth embodiment of the present invention, present embodiment is in the configuration of the 3rd embodiment, adds the involution function of aforementioned actuating device.The involution function of this involution function and the described actuating device of aforementioned second embodiment is identical.That is present embodiment is to add a re-setting device 34 in the configuration of the 3rd embodiment, and its strength connects feeder 31 and control device 33.Particularly, present embodiment be with the first selecting type logical valve 341 through manage 16, pipe 14 strengths are connected in first two-way valve 332 and 3312 on the second reverse logic valve, and be connected with starting switch 311 strengths of feeder 31 through managing 2.Remaining arrangements of components of present embodiment is identical with aforementioned the 3rd embodiment, sees also aforementioned content, does not slightly state now in this.In addition, present embodiment is before the starting switch 311 that starts feeder 31, make the pneumatic cylinder 321 of actuating device 32 return back to an involution position earlier, make the chest Belt-typing device be in a relaxed state, the handled easily person can be validly fixedly behind the tram of emergency medical receiver, restart native system, push, cooperate the CPR rescue of a predetermined time out to have a pre-determined number.Know this art person when can after the above stated specification of understanding the present invention, understanding the detail operations principle and the process of present embodiment easily, therefore slightly do not state in this.
Please continue and consult Fig. 6, its display application fifth embodiment of the present invention, present embodiment is to add convenient first aid person's operation, more complete control function in the configuration of the 4th embodiment, it mainly is a function of strengthening feeder among the 4th embodiment, provides to use the gauge tap that CPR device of the present invention is convenient to operate.
Specifically, feeder 31 of the present invention comprises a starting switch 311, a counter switch 312, one the 4th two-way valve 313, one second selecting type logical valve 314.Wherein, starting switch 311 is that strength connects outside air supply source 40, re-setting device 34 and the 4th two-way valve 313.Counter switch 312 strengths connect air supply source 40 and the 4th two-way valve 313.The 4th two-way valve 313 strengths connect starting switch 311, counter switch 311, counting assembly 35 and the second selecting type logical valve, 314, the four two-way valves 313 and have one the 5th gas circuit P5 and one the 6th gas circuit P6.The second selecting type logical valve, 314 strengths connect the 4th two-way valve 313, the 3rd two-way valve 352 and the first reverse logic valve 3311.
The operation principles of present embodiment feeder 31 is:
1. when starting switch 311 and counter switch 312 were closed simultaneously, the air supply source 40 suitable starting switches 311 that can pass through started re-setting devices 34, make actuating device 32 be returned back to the involution position.
2. when the pressing function that only starts the CPR device and during not enabling counting function, first aid person can only open starting switch 311, it is communicated with air supply source 40 strengths, the gas of air supply source 40 will be connected to the second selecting type logical valve 314 by pipe 4 strengths of the 5th gas circuit P5 hereat, make gas pass through the pipe 9 of the second selecting type logical valve 314, pipe 9-R enters the first reverse logic valve 3311 of control device, to start a succession of start of actuating device 32, the for example continuous start of per minute 100 times, the operation principles of this continuous start is identical with previous embodiment, see also aforementioned content, omitted now in this.
3. when opening starting switch 311 with counter switch 312 simultaneously, starting switch 311 will be communicated with air supply source 40 strengths with counter switch 312 simultaneously, air supply source 40 will be connected to the second selecting type logical valve 314 and counting assembly 35 by pipe 5 strengths of the 6th gas circuit P6, make actuating device 32 beginning starts on the one hand, make counting assembly 35 beginning tally functions on the other hand again, the CPR device is provided, for example per minute 100 times and whenever reach 30 times the continuous start that 5 seconds were suspended in the back of pushing.Similarly, the operation principles of this pattern is also identical with previous embodiment, sees also aforementioned content.
What must emphasize is, the air-pressure control assembly 30 that the present invention is applied in the CPR device is to use various air pressure valves, to provide emergency medical receiver stable and progressive chest compression function, using CPR device of the present invention is the automatization's survival kit that replaces artificial first-aid not only, and need not electrification as driving power.Therefore, the present invention not only can reduce the influence of environment for use to system's operation, and also can avoid generally using circuit to be controlled at inefficacy situation possible under high temperature, the high humidity, improve the degree of stability and the reliability of System Operation, and can dispose the present invention widely in various public places, provide necessary and CPR rescue timely with motor-driven.
The above embodiments only are used for exemplifying enforcement aspect of the present invention, and explain technical characterictic of the present invention, are not to be used for limiting category of the present invention.Any be familiar with this operator can unlabored change or the arrangement of the isotropism scope that all belongs to the present invention and advocated, the scope of the present invention should be as the criterion with the application's claim restricted portion.
Claims (19)
1. an air-pressure control assembly that is used for a cardiopulmonary resuscitation device in order to the gas input with an air supply source, is converted to a default intermittent pressure output, and this air-pressure control assembly comprises:
One feeder, strength connect this air supply source;
One activates device, and it carries out a reciprocating; And
One control device, its strength are connected between this feeder and this actuating device, and after the gas of this air supply source was imported this feeder, this control device was fitted this actuating device of may command, carries out this reciprocating.
2. air-pressure control assembly according to claim 1, it is characterized in that this actuating device is suitable can be between a primary importance and a second position, carry out this reciprocating, so that this default intermittent pressure to be provided, wherein this actuating device is fitted and can be exported one first low-voltage signal and one second low-voltage signal respectively near this primary importance and this second position the time.
3. air-pressure control assembly according to claim 2 is characterized in that this first aid respirator device comprises a chest Belt-typing device, connects this brake unit; When this actuating device during in this primary importance and this second position, suitablely provide this chest Belt-typing device respectively, present a lax and deflated state.
4. air-pressure control assembly according to claim 3 is characterized in that this actuating device comprises a pneumatic cylinder, and this primary importance is a top dead-centre of the piston motion of this pneumatic cylinder, to define a top dead-centre air chamber; This second position is for a bottom dead centre of this piston motion, to define a bottom dead centre air chamber.
5. air-pressure control assembly according to claim 4 is characterized in that this control device comprises:
One logical valve group, strength are connected to this feeder and this actuating device, carry out this reciprocating in order to control this actuating device; And
One first two-way valve, strength are connected to this feeder, this actuating device and this logical valve group, and it has one first gas circuit and one second gas circuit, are communicated to this top dead-centre air chamber and this bottom dead centre air chamber respectively.
6. air-pressure control assembly according to claim 5 is characterized in that this logical valve group comprises:
One first reverse logic valve, strength connect this first gas circuit of this first two-way valve; And
One second reverse logic valve, strength connect this second gas circuit of this first two-way valve,
Wherein this first reverse logic valve and the second reverse logic valve suitable can be mutually should first low-voltage signal and this second low-voltage signal, make this first reverse logic valve and this second reverse logic valve, alternative expression ground output one first signal and a secondary signal, switch to this first gas circuit and this second gas circuit to drive this first two-way valve respectively, it is fitted to be communicated with this feeder.
7. air-pressure control assembly according to claim 6, it is characterized in that also comprising a re-setting device, strength connects this feeder and this control device, when this feeder during in a closed condition, this air supply source is suitable can to enter this bottom dead centre air chamber by this re-setting device and this control device, to promote this actuating device toward this top dead-centre direction start, so that this chest Belt-typing device presents this relaxed state.
8. air-pressure control assembly according to claim 7, it is characterized in that this re-setting device is one first selecting type logical valve, strength is connected between this first two-way valve and this second reverse logic valve, when this feeder during in this closed condition, this air supply source is suitable can to pass through this re-setting device, makes this re-setting device export a slot signal, drives this first two-way valve and switches to this second gas circuit, make this bottom dead centre air chamber, be able to strength and be communicated with this air supply source.
9. air-pressure control assembly according to claim 6, it is characterized in that also comprising a counting assembly, strength connects this feeder and this control device, when this reciprocating of this actuating device start one pre-determined number, suspends one scheduled time of this actuating device.
10. air-pressure control assembly according to claim 9 is characterized in that this pre-determined number is 30 times.
11. air-pressure control assembly according to claim 10 is characterized in that this scheduled time was 5 seconds.
12. air-pressure control assembly according to claim 9 is characterized in that this counting assembly comprises:
One second two-way valve, strength connect this feeder and this second reverse logic valve;
One the 3rd two-way valve, strength connects this feeder and this second reverse logic valve, have one the 3rd gas circuit and one the 4th gas circuit, wherein when this feeder after an opening, this air supply source is suitable can be connected to this second reverse logic valve by the 3rd gas circuit strength of the 3rd two-way valve;
One enumerator, strength connect this second two-way valve and the 3rd two-way valve;
One choke valve, strength connect the 4th gas circuit and this enumerator of the 3rd two-way valve;
One gas receiver, strength connect the 3rd two-way valve and this choke valve,
Wherein, after the number of times that this secondary signal drives this enumerator by this second two-way valve reaches this pre-determined number, this enumerator is exported a halt signal, this reciprocating is ended, drive the 3rd two-way valve simultaneously and switch to the 4th gas circuit, make strength be connected to this air supply source, this air supply source strength is fitted to be communicated with this choke valve and this gas receiver, after treating that this reciprocating suspends this scheduled time, a suitable specific flow and the pressure that reaches of this gas receiver, drive the 3rd two-way valve and switch to the 3rd gas circuit, be communicated with this feeder and this second reverse logic valve once again, continue this reciprocating.
13. air-pressure control assembly according to claim 12, when it is characterized in that this feeder connects this choke valve by the 3rd two-way valve strength, suitable this enumerator that can make zero of this feeder.
14. air-pressure control assembly according to claim 13, it is characterized in that also comprising a re-setting device, strength connects this feeder and this control device, when this feeder during in a closed condition, this air supply source is suitable can to enter this bottom dead centre air chamber by this re-setting device and this control device, to promote this actuating device toward this top dead-centre direction start, so that this chest Belt-typing device presents this relaxed state.
15. air-pressure control assembly according to claim 14, it is characterized in that this re-setting device is one first selecting type logical valve, strength is connected between this first two-way valve and this second reverse logic valve, when this feeder during in this closed condition, this air supply source is suitable can to pass through this re-setting device, makes this re-setting device export a slot signal, drives this first two-way valve and switches to this second gas circuit, make this bottom dead centre air chamber, be able to strength and be communicated with this air supply source.
16. air-pressure control assembly according to claim 15 is characterized in that this feeder comprises:
One starting switch, strength connect this air supply source and this re-setting device;
One counter switch, strength connect this air supply source;
One the 4th two-way valve, strength connect this starting switch, this counter switch and this counting assembly, and it has one the 5th gas circuit and one the 6th gas circuit; And
One second selecting type logical valve, strength connect the 4th two-way valve, the 3rd two-way valve and this first reverse logic valve,
Wherein, when this starting switch and this counter switch were closed simultaneously, this air supply source is suitable can to start this re-setting device by this starting switch; When this starting switch is communicated with this air supply source, this air supply source is by the 5th gas circuit, strength is connected to this second selecting type logical valve, when this starting switch is communicated with this air supply source simultaneously with this counter switch, this air supply source then is connected to this second selecting type logical valve and this counting assembly by the 6th gas circuit strength, makes this enumerator begin counting.
17., it is characterized in that also comprising a pressure regulator valve, be connected with this first two-way valve, in order to adjust this default intermittent pressure according to claim 6,8,12,16 each described air-pressure control assembly wherein.
18., it is characterized in that also comprising a flow speed control valve according to claim 6,8,12,16 each described air-pressure control assembly wherein, be connected with this first two-way valve, make dynamic frequency in order to adjust one of this reciprocating.
19. air-pressure control assembly according to claim 18 is characterized in that this makes dynamic frequency and be per minute in fact 90-110 time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101817683A CN101416917A (en) | 2007-10-22 | 2007-10-22 | Air-pressure control assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101817683A CN101416917A (en) | 2007-10-22 | 2007-10-22 | Air-pressure control assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101416917A true CN101416917A (en) | 2009-04-29 |
Family
ID=40628043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101817683A Pending CN101416917A (en) | 2007-10-22 | 2007-10-22 | Air-pressure control assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101416917A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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
- 2007-10-22 CN CNA2007101817683A patent/CN101416917A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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Open date: 20090429 |