CN205698776U - A kind of cardio-pulmonary resuscitation trigger-type high frequency jet ventilator - Google Patents
A kind of cardio-pulmonary resuscitation trigger-type high frequency jet ventilator Download PDFInfo
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- CN205698776U CN205698776U CN201620123724.XU CN201620123724U CN205698776U CN 205698776 U CN205698776 U CN 205698776U CN 201620123724 U CN201620123724 U CN 201620123724U CN 205698776 U CN205698776 U CN 205698776U
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Abstract
The utility model discloses a kind of cardio-pulmonary resuscitation trigger-type high frequency jet ventilator, including control unit and jet ventilation device；Described control unit connects to have and rises and falls or the perception unit of respiratory air flow or manual cardiopulmonary resuscitation's machine for perception thorax；The terminal that described control unit presses at thorax sends beginning jet instruction to jet ventilation device；Terminal in thorax resilience sends stopping jet instruction.This utility model achieves and completes the ventilation to patient in the case of uninterrupted external chest compression, greatly reduce the pressing intermittent time, can ventilate during the thorax resilience of patient accurately, arteria coronaria and heart, cerebral perfusion can be effectively improved, so that patient obtains more preferable prognosis.
Description
Technical field
This utility model relates to medical breathing machine technical field, particularly relates to a kind of cardio-pulmonary resuscitation trigger-type
High frequency jet ventilator.
Background technology
Sudden cardiac arrest once occurs, and as can not get rescue recovery the most in time, can cause trouble after 4～6min
Person's brain and the irreversible infringement of other people body organs in adult, the therefore cardio-pulmonary resuscitation after sudden cardiac arrest
(cardiopulmonary resuscitation, CPR) must be carried out the most immediately.
Every 5 years can worked out by American heart association (AHA) and some other western developed country resuscitology
Update " international cardiopulmonary resuscitation guide " once guidance and specification cardio-pulmonary resuscitation in the world are had
Important positive effect.American heart associations (AHA) in 2010 and international recovery alliance (ILCOR) are issued
New cardio-pulmonary resuscitation and emergency cardiovascular care guide, changed into five chain links to express reality by the existence four morning chain of 2005
Execute the importance that urgent life is supported: (1) identifies asystole immediately and starts contingency response system；(2)
Implement cardio-pulmonary resuscitation CPR as early as possible, emphasize external chest compression；(3) Rapid defibrillation；(4) effective Advanced Life
Support；(5) treat after comprehensive sudden cardiac arrest.
Described external chest compression is the central authorities that the palm root of a hands is placed on patient chest, on breastbone lower half, and will
The palm root of another hands is placed in first on hand.During pressing, duplex must stretch, and firmly pressing, becomes vertically downward
People's compression frequency is at least 100 times/min, and depression depths is at least 125px, should allow breast after pressing every time
Exterior feature is replied completely.Compressing time and relaxation time respectively account for about 50%, slap root and can not leave thoracic wall when loosening,
In order to avoid press points displacement.External chest compression is interrupted because of ventilation, for not setting up artificial airway in order to reduce as far as possible
Adult, pressing-Ventilation Ratio that international cardiopulmonary resuscitation guide in 2010 is recommended is 30:2.For baby
And child, the ratio of 15:2 can be used during double CPR.As double or many people sue and labour, should every 2 minutes or
5 cycle CPR (each cycle includes 30 pressings and 2 artificial respirations) change pressing person, and 5
Conversion is completed in second, because studies have shown that, after pressing starts 1～2 minute, the quality of operator's pressing
Begin to decline (show as frequency and amplitude and thoracic wall reset case is the most undesirable).
AHA cardio-pulmonary resuscitation basie life support guides in 2015 are pointed out, implements cardio-pulmonary resuscitation when
After cardiac arrest patient has set up senior air flue, rescuer can not be circulated according still further to the pressing respiratory quotient of 30:2
Operation (no longer interrupts external chest compression during i.e. 2 times ventilations).On the contrary, once (frequency can be breathed every 6s ventilation
Rate 10 beats/min), the most continuously and uninterruptedly row external chest compression (Class IIb, LOE C-LD).
In such a mode, external chest compression and mechanical ventilation are carried out simultaneously.This pattern there may be following
Problem: when mechanical ventilation inspiratory phase is conflicted with pressing, and airway pressure is too high, and gas cannot normally enter pulmonary；
When expiratory phase and thorax resilience synchronised, expiration efficiency reduces.It is low that clinic can behave as blood oxygen saturation,
CO2Accumulation, rebeating difficulty, success of cardiopulmonary resuscitation rate declines, poor prognosis etc..
Utility model content
The purpose of this utility model is for technological deficiency present in prior art, and provide a kind of replace general
Logical respirator or the cardio-pulmonary resuscitation trigger-type high frequency jet ventilator of human assistance ventilation.
Be the technical scheme is that a kind of cardio-pulmonary resuscitation trigger-type is high by realizing the purpose of this utility model
Frequently jet ventilator, it is characterised in that include control unit and jet ventilation device；Described jet ventilation device
It is connected to artificial airway by gas circuit；Described control unit connects to be had for the fluctuating of perception thorax or respiratory air flow
Perception unit or manual cardiopulmonary resuscitation's machine；Described control unit receives the perception letter that described perception unit is sent
Number or from after the pressing signal of manual cardiopulmonary resuscitation's machine, in terminal (the i.e. beginning of thorax resilience of thorax pressing
Point) send beginning jet instruction to jet ventilation device；Terminal (the i.e. beginning of thorax pressing in thorax resilience
Point) send stopping jet instruction；Described jet ventilation device, according to the instruction received, is opened to artificial airway
Beginning jet ventilation or stopping jet ventilation.
The above-mentioned cardio-pulmonary resuscitation trigger-type high frequency jet ventilator that this utility model provides is to realize ventilation
Time thorax pressing uninterrupted, and press nonsynchronous state with thorax during air-breathing.
When medical personnel manually implement external chest compression, what described control unit connected is perception unit.
Preferably, described perception unit is the flow transducer of air flue air-flow change during monitoring pressing.
When flow transducer perceives air-breathing or expiratory gas flow, send perceptual signal to control unit.Control unit root
The terminal (i.e. the initial point of thorax resilience) pressed at thorax according to the perceptual signal received is sent out to jet ventilation device
Go out to start jet instruction；Control unit sends stopping at the terminal (i.e. the initial point of thorax pressing) of thorax resilience
Jet instructs.After described jet ventilation device is according to receiving instruction, starts jet ventilation to artificial airway or stop
Only jet ventilation.
Other technical scheme is, described perception unit is the alignment sensor for monitoring thorax fluctuations.
The quantity of alignment sensor is 2, is individually positioned in patient chest and abdomen back of the body position, or is passed 2 location
Sensor is placed on midaxillary line position, patient both sides；Change perception by the distance between alignment sensor and judge to suffer from
Person's thorax is in pressed state or resilience state；During pressing, between two alignment sensors away from
It is resilience initial point when minimum, for pressing initial point when distance is maximum.Control unit according to the perceptual signal received,
Terminal (i.e. the initial point of thorax resilience) in thorax pressing sends beginning jet instruction to jet ventilation device,
Control unit sends stopping jet instruction at the terminal (i.e. the initial point of thorax pressing) of thorax resilience；Described spray
Penetrate breather according to receive instruction after, to artificial airway start jet ventilation or stop jet ventilation.
Further, in order to make perceptual signal more accurate, described perception unit includes for monitoring pressing
During the change of air flue air-flow flow transducer and for monitoring the alignment sensor of thorax fluctuations.Logical
Inflow-rate of water turbine sensor and alignment sensor cooperating, it is possible to more accurately judge thorax pressing during cardio-pulmonary resuscitation
All the time or the point all the time of thorax resilience.
When using manual cardiopulmonary resuscitation's machine according to when carrying out automatic external chest compression by die pressing type of setting, described control
Unit processed receives the pressing signal sent from described manual cardiopulmonary resuscitation's machine.
The ventilatory frequency of described high frequency jet ventilator is 10～200 times/min, and maximal voluntary ventilation is not less than
20L/min。
Compared with prior art, the beneficial effects of the utility model are: for the trouble implementing cardio-pulmonary resuscitation
Person, and this patient is complete tracheal intubation or laryngeal mask, the thorax resilience that can be provided by this utility model
Trigger high frequency jet ventilator and replace traditional respirator or human assistance ventilation, have the advantage that
(1) continual external chest compression omnidistance, complete can be carried out, guarantee during thorax resilience (i.e. simultaneously
The terminal of thorax pressing is to the terminal of thorax resilience) realize effective ventilation；
(2) during thorax resilience (i.e. the terminal of thorax pressing is to the terminal of thorax resilience) to artificial airway
Uninterrupted jet is provided, patient's oxygenate when effectively raising cardio-pulmonary resuscitation, increase the success rate rescued, subtract
The appearance of few complication；
(3) at patient's cardio-pulmonary resuscitation thorax resilience phase jet ventilation, it is effectively promoted the complete resilience of thorax, this
Shi Tongqi can promote lung blood backflow heart to pulmonary vascular extruding, increases heart blood back amount, promotes external chest compression
Under blood circulation.
Accompanying drawing explanation
Fig. 1 show the connection block diagram of a kind of cardio-pulmonary resuscitation trigger-type high frequency jet ventilator.
Detailed description of the invention
Below in conjunction with specific embodiment, this utility model is described in further detail.Should be appreciated that this place
The specific embodiment described, only in order to explain this utility model, is not used to limit this utility model.
Embodiment:
It is illustrated in figure 1 a kind of cardio-pulmonary resuscitation trigger-type high frequency jet ventilator, including control unit and spray
Penetrate breather；Described jet ventilation device is connected to artificial airway by gas circuit；Described control unit connects
Have and rise and fall or the perception unit of respiratory air flow or manual cardiopulmonary resuscitation's machine for perception thorax；Described control unit
Receive perceptual signal that described perception unit sends or from after the pressing signal of manual cardiopulmonary resuscitation's machine, at breast
The terminal (i.e. the initial point of thorax resilience) of wide pressing sends beginning jet instruction to jet ventilation device；At breast
The terminal (i.e. the initial point of thorax pressing) of wide resilience sends stopping jet instruction；Described jet ventilation device root
According to the instruction received, start jet ventilation to artificial airway or stop jet ventilation.
The above-mentioned cardio-pulmonary resuscitation trigger-type high frequency jet ventilator that this utility model provides is to realize ventilation
Time thorax pressing uninterrupted, and press nonsynchronous state with thorax during air-breathing.
Preferably, described perception unit is the flow transducer of air flue air-flow change during monitoring pressing.
When flow transducer perceives air-breathing or expiratory gas flow, send perceptual signal to control unit.Control unit root
The terminal (i.e. the initial point of thorax resilience) pressed at thorax according to the perceptual signal received is sent out to jet ventilation device
Go out to start jet instruction；Control unit sends stopping at the terminal (i.e. the initial point of thorax pressing) of thorax resilience
Jet instructs.After described jet ventilation device is according to receiving instruction, starts jet ventilation to artificial airway or stop
Only jet ventilation.
The hot-wire airflow sensor of Drager company selected by described flow transducer, and basic structure includes
The platinum hot line (platinum line) of perception air mass flow, the thermo-compensator being modified according to intake air temperature
(cold line), control hot line electric current also produce the control circuit board of output signal and the shell of air flow sensor
Body.The platinum wire that line footpath is 70 μm (RH) of hot line, is arranged in support ring, and its resistance becomes with temperature
Change, be an arm of whiston bridge circuit.One platinum is installed in the plastic sheath of hot line support ring front end
Thin film resistor, its resistance changes with intake air temperature, and referred to as thermo-compensator (RK), is resistance bridge
Another arm of circuit.A precision resistance (RA) it is bonding with on the plastic sheath of hot line support ring rear end.This
Resistance also can be an arm of resistance bridge with laser reconditioning.This ohmically voltage drop is hot wire type
The output signal voltage of air flow sensor.Resistance bridge also has the resistance RB of an arm to be arranged on control
On wiring board.
Preferably, described perception unit is the alignment sensor for monitoring thorax fluctuations, described location
2 commercially available localizing electrode sheets selected by sensor.2 localizing electrode sheets are individually positioned in patient chest and abdomen back of the body position
Put, or 2 localizing electrode sheets are placed on midaxillary line position, patient both sides；By described localizing electrode sheet
Between distance change perception judge that patient's thorax is in pressed state or resilience state；During pressing,
It is resilience initial point during distance minimum between two localizing electrode sheets, for pressing initial point when distance is maximum.Control
Unit processed is according to the perceptual signal received, at the terminal (i.e. the initial point of thorax resilience) of thorax pressing to injection
Breather sends beginning jet instruction, and control unit is at the terminal (i.e. the initial point of thorax pressing) of thorax resilience
Send stopping jet instruction；After described jet ventilation device is according to receiving instruction, start injection to artificial airway
Ventilation or stopping jet ventilation.
Further, in order to make perceptual signal more accurate, described perception unit includes for monitoring pressing
During the change of air flue air-flow flow transducer and for monitoring the alignment sensor of thorax fluctuations.Logical
Inflow-rate of water turbine sensor and alignment sensor cooperating, it is possible to more accurately judge thorax pressing during cardio-pulmonary resuscitation
All the time or the point all the time of thorax resilience.
Preferably, when employing manual cardiopulmonary resuscitation's machine is according to when carrying out automatic external chest compression by die pressing type of setting,
Described control unit receives the pressing signal sent from described manual cardiopulmonary resuscitation's machine.
The ventilatory frequency of described high frequency jet ventilator is 10～200 times/min, and maximal voluntary ventilation is not less than
20L/min。
For implementing the patient of cardio-pulmonary resuscitation, and this patient has built up artificial airway and (i.e. completes trachea
Intubate or laryngeal mask), high frequency jet ventilator can be triggered by the thorax resilience that this utility model provides and replace general
Logical respirator or human assistance ventilation, can carry out uninterrupted external chest compression, reduce the pressing intermittent time；?
Patient's cardio-pulmonary resuscitation thorax resilience phase jet ventilation, is effectively promoted the complete resilience of thorax, now ventilates to lung
The extruding of blood vessel can promote lung blood backflow heart, increases heart blood back amount, promotes that the blood under external chest compression follows
Ring.
External chest compression is by the committed step of effective cardio-pulmonary resuscitation.The frequency of external chest compression and pressing are interrupted
Time is the quality determining cardio-pulmonary resuscitation.Pressing break time if able to shorten, arteria coronaria and heart can obtain
Obtaining and preferably irrigate, its prognosis also will be improved.This utility model achieves at uninterrupted external chest compression
In the case of complete the ventilation to patient, greatly reduce pressing the intermittent time, it is possible to accurately at the breast of patient
Ventilate during wide resilience, arteria coronaria and heart, cerebral perfusion can be effectively improved, so that patient obtains more
Good prognosis.
The above is only preferred implementation of the present utility model, it is noted that lead for this technology
For the those of ordinary skill in territory, on the premise of without departing from this utility model principle, it is also possible to make some
Improvements and modifications, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (6)
1. a cardio-pulmonary resuscitation trigger-type high frequency jet ventilator, it is characterised in that include control unit and spray
Penetrate breather；Described jet ventilation device is connected to artificial airway by gas circuit；Described control unit connects
Have and rise and fall or the perception unit of respiratory air flow or manual cardiopulmonary resuscitation's machine for perception thorax；Described control unit
Receive perceptual signal that described perception unit sends or from after the pressing signal of manual cardiopulmonary resuscitation's machine, at breast
The terminal of wide pressing sends beginning jet instruction to jet ventilation device；Terminal in thorax resilience sends stopping
Jet instructs；Described jet ventilation device according to the instruction received, to artificial airway start jet ventilation or
Stop jet ventilation.
A kind of cardio-pulmonary resuscitation trigger-type high frequency jet ventilator the most according to claim 1, its feature
It is that described perception unit is the flow transducer of air flue air-flow change during monitoring pressing.
A kind of cardio-pulmonary resuscitation trigger-type high frequency jet ventilator the most according to claim 1, its feature
It is that described perception unit is the alignment sensor for monitoring thorax fluctuations.
A kind of cardio-pulmonary resuscitation trigger-type high frequency jet ventilator the most according to claim 1, its feature
Be described perception unit include the change of during monitoring pressing air flue air-flow flow transducer and for
The alignment sensor of monitoring thorax fluctuations.
A kind of cardio-pulmonary resuscitation trigger-type high frequency jet ventilator the most according to claim 1, its feature
It is that described control unit receives the pressing signal sent from described manual cardiopulmonary resuscitation's machine.
A kind of cardio-pulmonary resuscitation trigger-type high frequency jet ventilator the most according to claim 1, its feature
The ventilatory frequency being described high frequency jet ventilator is 10～200 times/min, and maximal voluntary ventilation is not less than
20L/min。
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620123724.XU CN205698776U (en) | 2016-02-16 | 2016-02-16 | A kind of cardio-pulmonary resuscitation trigger-type high frequency jet ventilator |
| PCT/CN2017/080579 WO2017140280A1 (en) | 2016-02-16 | 2017-04-14 | Trigger-type high frequency jet ventilator for cardiopulmonary resuscitation, and sensing and regulating ventilator for cardiopulmonary resuscitation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620123724.XU CN205698776U (en) | 2016-02-16 | 2016-02-16 | A kind of cardio-pulmonary resuscitation trigger-type high frequency jet ventilator |
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| Publication Number | Publication Date |
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| CN205698776U true CN205698776U (en) | 2016-11-23 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105749395A (en) * | 2016-02-16 | 2016-07-13 | 潘楚雄 | Trigger type high-frequency jet ventilator for cardio-pulmonary resuscitation |
| WO2017140280A1 (en) * | 2016-02-16 | 2017-08-24 | 潘楚雄 | Trigger-type high frequency jet ventilator for cardiopulmonary resuscitation, and sensing and regulating ventilator for cardiopulmonary resuscitation |
-
2016
- 2016-02-16 CN CN201620123724.XU patent/CN205698776U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105749395A (en) * | 2016-02-16 | 2016-07-13 | 潘楚雄 | Trigger type high-frequency jet ventilator for cardio-pulmonary resuscitation |
| WO2017140280A1 (en) * | 2016-02-16 | 2017-08-24 | 潘楚雄 | Trigger-type high frequency jet ventilator for cardiopulmonary resuscitation, and sensing and regulating ventilator for cardiopulmonary resuscitation |
| CN105749395B (en) * | 2016-02-16 | 2019-01-04 | 潘楚雄 | A kind of CPR trigger-type high frequency jet ventilator |
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