CN105169539B - A kind of first-aid respirator - Google Patents
A kind of first-aid respirator Download PDFInfo
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- CN105169539B CN105169539B CN201510724623.8A CN201510724623A CN105169539B CN 105169539 B CN105169539 B CN 105169539B CN 201510724623 A CN201510724623 A CN 201510724623A CN 105169539 B CN105169539 B CN 105169539B
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- gas
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- oxygen
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- circuit control
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Abstract
The present invention is applied to medical instruments field, there is provided a kind of first-aid respirator, it includes circuit control panel, main valve, oxygen hose, gas circuit control main body, oxygen nozzle, check valve, three-way pipe and gas deflation assembly.Main valve electrically connects with circuit control panel.Gas circuit control main body opens up gas passage and air intake.Oxygen nozzle is connected by main valve with oxygen hose, for spraying into oxygen into gas passage.Three-way pipe includes breathe end, first end and the second end.First end controls main body to connect by gas deflation assembly with gas circuit.Gas deflation assembly has valve port and waste gas outlet.Second end controls main body to connect by check valve with gas circuit.Main valve is by controlling the flow of oxygen that oxygen nozzle sprays to control opening or closing for valve port.When the patient inhales, valve port is closed, and check valve is opened, and oxygen enters in three-way pipe from gas circuit control main body, is used for patient；As the patient exhales, valve port is opened, closed check valve, and the waste gas of patient's exhalation discharges three-way pipe by waste gas outlet.
Description
Technical field
The invention belongs to medical instruments field, more particularly to a kind of first-aid respirator.
Background technology
Because first aid breathing is needed in outdoor carrying and use, this just needs first-aid respirator must to be fulfilled for two conditions：
(1) volume is as far as possible small；(2) there is preferable stability in adverse circumstances.Outlet valve is tieed up in air-breathing, expiration and expiration end
Hold end-expiratory positive pressure (Positive End Expiratory Pressure, PEEP) value have the function that it is important.In existing skill
Under art, outlet valve generally use electromagnet controls, but has some limitations：First, in order to ensure stability, electromagnet
Require and do bigger, which limits the use on Portable emergency breath machine；Secondly, electromagnet is not sufficiently stable,
Control PEEP that especially can not accurately, stable.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of first-aid respirator, it is intended to small volume, and it is reliable and stable
Degree is high.
The present invention is achieved in that a kind of first-aid respirator, and it includes circuit control panel, main valve, oxygen hose, gas circuit control
Main body, oxygen nozzle, check valve, three-way pipe and gas deflation assembly processed.The main valve electrically connects with the circuit control panel so that the circuit
Control panel can control the action of the main valve.The oxygen hose is used to export oxygen.A gas is opened up in gas circuit control main body
Passage and an air intake.The air intake is connected with the gas passage and air.The oxygen nozzle by the main valve with
The oxygen hose is connected, for spraying into oxygen into the gas passage.The three-way pipe includes breathe end, first end and the second end.
The breathe end connects with patient.The first end controls main body to be connected by the gas deflation assembly with the gas circuit.The gas deflation assembly has
There are valve port and waste gas outlet.When the valve port is opened, the waste gas outlet connects with the three-way pipe.Second end passes through the check valve
Connected with gas circuit control main body.The main valve can be by controlling the flow of oxygen that the oxygen nozzle sprays to control the valve port
Open or close.When the patient inhales, the valve port is closed, and the check valve is opened, and oxygen enters from gas circuit control main body should
In three-way pipe, used for patient；As the patient exhales, the valve port is opened, the closed check valve so that the waste gas energy of patient's exhalation
The three-way pipe is discharged by the waste gas outlet.
Compared with prior art, beneficial effect is the present invention：The first-aid respirator of the present invention, can pass through control bound
Carry out indirect control diaphragm, it is high to complete air-breathing, exhalation process and accurate control PEEP values, ultimate carrying capacity；And because the first aid is exhaled
Suction machine need not be controlled using electromagnet, therefore small volume.
Brief description of the drawings
Fig. 1 is the structural representation of first-aid respirator provided in an embodiment of the present invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in figure 1, a kind of first-aid respirator provided by the present invention, it include circuit control panel 1, valve seat 4, main valve 2,
Oxygen concentration regulating valve 3, oxygen hose 12, gas circuit control main body 6, oxygen nozzle 11, suction joint 9, check valve 10, three-way pipe 19,
Gas deflation assembly, pneumatic end-expiratory positive pressure (Positive End Expiratory Pressure, PEEP) pipe 7, air intake duct 8 and biography
Sensor sampling pipe 13.
Main valve 2, oxygen concentration regulating valve 3 are arranged on valve seat 4 and are connected to circuit control panel 1 so that the circuit controls
Plate 1 can control the main valve 2 and the action of the oxygen concentration regulating valve 3.Oxygen hose 12 is connected with valve seat 4, for exporting oxygen.
One end of gas circuit control main body 6 is fixedly connected with valve seat 4.Formed with a gas passage in gas circuit control main body 6.
Gas passage has two ports and midpoint position being oppositely arranged.Midpoint position is in the centre of two ports.From it
Middle a port tapers into towards midpoint position, is then become larger from midpoint position towards another port.
Gas circuit control main body 6 offers air intake 5 close to one end of valve seat 4.Air intake 5 and gas passage and air
It is connected.
Oxygen nozzle 11 is connected by the main valve 2 with oxygen hose 12, for the gas passage into gas circuit control main body 6
Interior penetrating oxygen.Main valve 2 is used for the flow for adjusting the oxygen of the ejection of oxygen nozzle 11.In the present embodiment, oxygen nozzle 11 is set
Put on valve seat 4, and be contained in gas circuit control main body 6.
Suction joint 9 is fixed on the one end of gas circuit control main body 6 away from valve seat 4.
Check valve 10 is used to open in patient's air-breathing so that oxygen can smoothly enter in patient body；When patient exhales
Close so that the waste gas of patient's exhalation will not enter gas circuit control main body 6.In the present embodiment, check valve 10 is arranged on air-breathing
In joint 9.Certainly, in other embodiments, check valve 10 may also be arranged in gas circuit control main body 6.
Three-way pipe 19 includes breathe end 21, first end and the second end.Breathe end 21 connects with patient.
Gas deflation assembly includes gas control lid 16 and diaphragm 17.Gas control lid 16 has an accommodating cavity.Diaphragm 17 is fixed on gas control
In lid 16, accommodating cavity is separated into gas control room 15 and air cavity.Gas control lid 16 is set in first end so that first end is contained in gas
Intracavitary.The end of the aperture efficiency first end of air cavity is bigger, to form a waste gas outlet 18.
Diaphragm 17 being capable of according to the air pressure change in the gas control room 15 and three-way pipe 19 and optionally end with first end
Support or separate, that is, form a valve port 14.Specifically, when the air pressure in three-way pipe 19 is more than the air pressure of gas control room 15, film
Piece 17 can be separated with the end of first end, i.e., valve port 14 is opened, and the gas in three-way pipe 19 can enter in air cavity, and from
Waste gas outlet 18 is discharged；When the air pressure in three-way pipe 19 is less than or equal to gas control room 15, diaphragm 17 and the end of first end support,
I.e. valve port 14 is closed, and prevents the gas in three-way pipe 19 from entering in air cavity.
Gas circuit control main body 6 is connected by pneumatic PEEP pipes 7 with gas control room 15.
Second end is controlled main body 6 to be connected by air intake duct 8 by suction joint 9 with gas circuit.
Three-way pipe 19 offers fixing hole 20 at breathe end 21, and sensor sample pipe 13 is connected hole 20 and circuit
Control panel 1, amount of oxygen, flow velocity and the pressure size of detectable patient's suction and exhalation.
The course of work of first-aid respirator is as follows：In expiratory phase, by direct control bound 2, from oxygen nozzle 11 to
Gas circuit control main body 6 is passed through the oxygen of certain flow, and to be formed about negative pressure in air intake 5, negative pressure can inhale from air intake 5
Enter a certain amount of air, by adjusting oxygen concentration regulating valve 3, the oxygen concentration of air is sucked with regulation, and then adjust suction patient
The oxygen concentration of internal gas；Now portion gas can enter gas control room 15 from pneumatic PEEP pipes 7, and a pressure is formed in gas control room 15
By force, this pressure can form a pressure to diaphragm 17, and the pressure of diaphragm 17 shuts valve port 14, will from the gas of air intake duct 8
Entered from breathe end 21 inside the lung of patient, complete breathing process；In expiration phase, by adjusting main valve 2, in gas control room 15
The pressure in face reduces, and valve port 14 is opened, and the gas breathed out in patient's lung enters the inside of three-way pipe 19 by breathe end 21, this
When, due to the effect of check valve 10, waste gas cannot be introduced into gas circuit control main body 6, and waste gas can only pass through valve port 14, then pass through
Waste gas outlet 18 is discharged；When there is provided during PEEP end-expiratory positive pressure values, in expiration end, being passed through by control bound 2 certain
Oxygen, gas enter gas control room 15, maintain a pressure in gas control room 15, and the pressure in gas control room 15 can produce to diaphragm 17
One pressure, maintain a PEEP value in three-way pipe 19 and patient's lung.Now the pressure in three-way pipe 19 controls more than gas circuit
The pressure of main body 6, gas can not enter the inside of three-way pipe 19.
Compared with prior art, first-aid respirator of the invention, it is complete by control bound 2 come indirect control diaphragm 17
It is high into air-breathing, exhalation process and accurate control PEEP values, ultimate carrying capacity.And in breathing process, can be dense by adjusting oxygen
Degree regulating valve 3 accurately controls oxygen concentration.Because the first-aid respirator need not be controlled using electromagnet, therefore small volume.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (10)
1. a kind of first-aid respirator, it includes oxygen hose, for exporting oxygen, the first-aid respirator also include circuit control panel,
Main valve, gas circuit control main body, oxygen nozzle, check valve, three-way pipe and gas deflation assembly, the main valve are electrically connected with the circuit control panel
Connect so that the circuit control panel can control the action of the main valve；A gas passage and one are opened up in gas circuit control main body
Air intake；The air intake is connected with the gas passage and air；The oxygen nozzle passes through the main valve and the oxygen hose phase
Connection, for spraying into oxygen into the gas passage；The three-way pipe includes breathe end, first end and the second end；The breathe end and
Patient connects；The first end controls main body to connect by the gas deflation assembly with the gas circuit；The gas deflation assembly has valve port and waste gas
Outlet；When the valve port is opened, the waste gas outlet connects with the three-way pipe；Second end is controlled by the check valve and the gas circuit
Main body connects；Characterized in that, the main valve is by controlling the flow of oxygen that the oxygen nozzle sprays to control beating for the valve port
On or off is closed；When the patient inhales, the valve port is closed, and the check valve is opened, and oxygen enters the threeway from gas circuit control main body
In pipe, used for patient；As the patient exhales, the valve port is opened, the closed check valve so that the waste gas of patient's exhalation can pass through
The waste gas outlet discharges the three-way pipe.
2. first-aid respirator as claimed in claim 1, it is characterised in that the gas deflation assembly includes gas control lid and diaphragm, the gas
Control lid has an accommodating cavity；The diaphragm is fixed in the gas control lid, and the accommodating cavity is separated into gas control room and air cavity；This
One end is contained in the air cavity, and the end of the aperture efficiency of the air cavity first end is bigger, to form the waste gas outlet；The diaphragm energy
It is enough optionally to support or separate with the end of the first end according to the gas control room and the air pressure change in the three-way pipe, i.e. shape
Into the valve port.
3. first-aid respirator as claimed in claim 2, it is characterised in that when the air pressure in the three-way pipe is more than the gas control room
During air pressure, the diaphragm can be separated with the end of the first end, i.e., the valve port is opened, and the gas in the three-way pipe can enter
In the air cavity, and discharged from the waste gas outlet；When the air pressure in the three-way pipe is less than or equal to the gas control room, the diaphragm with this
The end of one end is supported, i.e., the valve port is closed, and prevents the gas in the three-way pipe from entering in the air cavity.
4. first-aid respirator as claimed in claim 2, it is characterised in that the first-aid respirator also includes pneumatic end-expiratory positive pressure
The gas control room is connected by pipe, the pneumatic end-expiratory positive pressure pipe with gas circuit control main body.
5. first-aid respirator as claimed in claim 2, it is characterised in that the first-aid respirator also includes air intake duct, the air-breathing
Manage for second end to be connected with gas circuit control main body.
6. first-aid respirator as claimed in claim 5, it is characterised in that the first-aid respirator also includes valve seat, the main valve, is somebody's turn to do
Oxygen hose, gas circuit control main body and the oxygen nozzle are arranged on the valve seat.
7. first-aid respirator as claimed in claim 6, it is characterised in that the first-aid respirator also includes suction joint, the suction
Gas joint is arranged on the one end of gas circuit control main body away from the valve seat, and the check valve is arranged in the suction joint, the air-breathing
Second end is controlled main body to be connected by pipe by the suction joint with the gas circuit.
8. first-aid respirator as claimed in claim 1, it is characterised in that the first-aid respirator also includes oxygen concentration regulating valve,
The oxygen concentration of gas in patient body is sucked for adjusting；The oxygen concentration regulating valve electrically connects with the circuit control panel.
9. first-aid respirator as claimed in claim 1, it is characterised in that the first-aid respirator also includes sensor sample pipe,
One end of the sensor sample pipe is connected with the breathe end, and the other end electrically connects with the circuit control panel, for detecting patient
Suction and amount of oxygen, flow velocity and the pressure size of exhalation.
10. first-aid respirator as claimed in claim 1, it is characterised in that the gas passage has two ends being oppositely arranged
Mouth and midpoint position；The midpoint position is in the centre of two ports；From one of port towards the middle part
Taper into, then become larger from the middle part towards another port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510724623.8A CN105169539B (en) | 2015-10-30 | 2015-10-30 | A kind of first-aid respirator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510724623.8A CN105169539B (en) | 2015-10-30 | 2015-10-30 | A kind of first-aid respirator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105169539A CN105169539A (en) | 2015-12-23 |
| CN105169539B true CN105169539B (en) | 2017-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510724623.8A Active CN105169539B (en) | 2015-10-30 | 2015-10-30 | A kind of first-aid respirator |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108578853A (en) * | 2018-03-05 | 2018-09-28 | 马奔腾 | A kind of first-aid lung ventilator |
| CN111558117A (en) * | 2020-05-15 | 2020-08-21 | 四川省第四人民医院 | Breathing machine and control method thereof |
| CN111760143A (en) * | 2020-07-28 | 2020-10-13 | 河南中医药大学 | Auxiliary device is breathed in intracardiac branch of academic or vocational study first aid |
| CN114366978B (en) * | 2022-01-25 | 2023-10-24 | 徐州医科大学 | Quick-opening expiratory valve and respirator for emergency treatment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3769973A (en) * | 1972-07-24 | 1973-11-06 | A Esbenshade | Intermittent positive pressure breathing apparatus |
| US3815593A (en) * | 1970-01-16 | 1974-06-11 | Le Materiel Medical Scient | Static respirator for artificial respiration |
| CN102114293A (en) * | 2009-12-31 | 2011-07-06 | 北京谊安医疗系统股份有限公司 | Control system and method for implementing double horizontal pressures in air passage, breathing machine and anaesthetic machine |
| CN102500021A (en) * | 2011-09-28 | 2012-06-20 | 于邦仲 | Air channel system of pilot type control belt intelligent PEEP (positive end expiratory pressure) breathing machine |
| CN102500020A (en) * | 2011-09-28 | 2012-06-20 | 于邦仲 | Pilot-operated type control air channel system of breathing machine |
-
2015
- 2015-10-30 CN CN201510724623.8A patent/CN105169539B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3815593A (en) * | 1970-01-16 | 1974-06-11 | Le Materiel Medical Scient | Static respirator for artificial respiration |
| US3769973A (en) * | 1972-07-24 | 1973-11-06 | A Esbenshade | Intermittent positive pressure breathing apparatus |
| CN102114293A (en) * | 2009-12-31 | 2011-07-06 | 北京谊安医疗系统股份有限公司 | Control system and method for implementing double horizontal pressures in air passage, breathing machine and anaesthetic machine |
| CN102500021A (en) * | 2011-09-28 | 2012-06-20 | 于邦仲 | Air channel system of pilot type control belt intelligent PEEP (positive end expiratory pressure) breathing machine |
| CN102500020A (en) * | 2011-09-28 | 2012-06-20 | 于邦仲 | Pilot-operated type control air channel system of breathing machine |
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| Publication number | Publication date |
|---|---|
| CN105169539A (en) | 2015-12-23 |
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| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Emergency ventilator Effective date of registration: 20191212 Granted publication date: 20171226 Pledgee: Agricultural Bank of China Limited Qianhai branch Pledgor: Shenzhen Poople Science and Technology Co., Ltd. Registration number: Y2019440020035 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210107 Granted publication date: 20171226 Pledgee: Agricultural Bank of China Limited Qianhai branch Pledgor: SHENZHEN PROBE SCIENCE & TECHNOLOGY Co.,Ltd. Registration number: Y2019440020035 |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518103 area a, 4th floor, 6th floor, 9th floor, building C, 71-3 Xintian Avenue, Fuyong street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Pubo Medical Technology Co.,Ltd. Address before: 518103 area a, 4th floor, 6th floor, 9th floor, building C, 71-3 Xintian Avenue, Fuyong street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN PROBE SCIENCE & TECHNOLOGY Co.,Ltd. |