CN105169539A - Emergency ventilator - Google Patents
Emergency ventilator Download PDFInfo
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- CN105169539A CN105169539A CN201510724623.8A CN201510724623A CN105169539A CN 105169539 A CN105169539 A CN 105169539A CN 201510724623 A CN201510724623 A CN 201510724623A CN 105169539 A CN105169539 A CN 105169539A
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Abstract
The invention is suitable for the field of a medical device, and provides an emergency ventilator. The emergency ventilator comprises the components of a circuit control board, a main valve, an oxygen pipe, an air path control body, an oxygen nozzle, a check valve, a three-way pipe and an air exhausting assembly. The main valve is electrically connected with the circuit control board. The air path control body is provided with an air channel and an air inlet. The oxygen nozzle is communicated with the oxygen pipe through the main valve and is used for inputting the oxygen into the air channel. The three-way pipe comprises a breathing end, a first end and a second end. The first end is communicated with the gas control body through the air exhausting assembly. The air exhausting assembly is provided with a valve opening and a waste gas outlet. The second end is communicated with the air path control body through the check valve. The main valve performs controlling for opening or closing the valve opening through controlling the flow of the oxygen which is input by the oxygen nozzle. When a patient inhales, the valve opening is closed and the check valve is open. The oxygen enters the three-way pipe from the gas control body for use by the patient. When the patient exhales, the valve opening is open and the check valve is closed; and the waste gas which is exhaled by the patient is discharged out of the three-way pipe through the waste gas outlet.
Description
Technical field
The invention belongs to medical instruments field, particularly relate to a kind of first-aid respirator.
Background technology
Because first aid besoin de respirer is in outdoor carrying and use, this just needs first-aid respirator must meet two conditions: (1) volume is as far as possible little; (2) there is good stability in adverse circumstances.Outlet valve maintains end expiratory positive pressure (PositiveEndExpiratoryPressure, PEEP) value at air-breathing, expiration and expiration end and has important effect.Under the prior art, outlet valve adopts electric magnet to control usually, but has some limitations: first, and in order to ensure stability, it is larger that electric magnet all requires to do, and which limits the use on Portable emergency breath machine; Secondly, electric magnet is stable not, control PEEP that especially can not be accurate, stable.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of first-aid respirator, be intended to volume little, and ultimate carrying capacity is high.
The present invention is achieved in that a kind of first-aid respirator, and it comprises circuit control panel, main valve, oxygen hose, gas circuit control subject, oxygen nozzle, check valve, tee T and gas deflation assembly.This main valve is electrically connected with this circuit control panel, makes this circuit control panel can control the action of this main valve.This oxygen hose is for exporting oxygen.A gas passage and an air intake is offered in this gas circuit control subject.This air intake is connected with this gas passage and air.This oxygen nozzle is connected with this oxygen hose by this main valve, for spraying into oxygen in this gas passage.This tee T comprises breathes end, first end and the second end.This breathing end is connected with patient.This first end is connected with this gas circuit control subject by this gas deflation assembly.This gas deflation assembly has valve port and waste gas outlet.When this valve port is opened, this waste gas outlet is communicated with this tee T.This second end is communicated with this gas circuit control subject by this check valve.This main valve can control opening or closing of this valve port by controlling the flow of the oxygen of this oxygen nozzle ejection.When the patient inhales, this valve port is closed, this one-way valve opens, and oxygen enters in this tee T, for patient from this gas circuit control subject; As the patient exhales, this valve port is opened, this closed check valve, and the waste gas that patient is breathed out discharges this tee T by this waste gas outlet.
Compared with prior art, beneficial effect is in the present invention: first-aid respirator of the present invention, indirectly can control diaphragm by control bound, and complete air-breathing, exhalation process and accurate control PEEP value, ultimate carrying capacity is high; And due to this first-aid respirator do not need use electric magnet control, therefore volume is little.
Accompanying drawing explanation
Fig. 1 is the structural representation of the first-aid respirator that the embodiment of the present invention provides.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Figure 1, a kind of first-aid respirator provided by the present invention, it comprises circuit control panel 1, valve seat 4, main valve 2, oxygen concentration control valve 3, oxygen hose 12, gas circuit control subject 6, oxygen nozzle 11, suction joint 9, check valve 10, tee T 19, gas deflation assembly, pneumatic end expiratory positive pressure (PositiveEndExpiratoryPressure, PEEP) pipe 7, suction nozzle 8 and sensor sample pipe 13.
Main valve 2, oxygen concentration control valve 3 to be all arranged on valve seat 4 and to be connected to circuit control panel 1, make this circuit control panel 1 can control the action of this main valve 2 and this oxygen concentration control valve 3.Oxygen hose 12 is connected with valve seat 4, for exporting oxygen.
One end of gas circuit control subject 6 is fixedly connected with valve seat 4.A gas passage is formed in gas circuit control subject 6.Gas passage has two ports and a mid point position that are oppositely arranged.Mid point position is in the centre of two ports.Diminish gradually towards mid point position from one of them port, then become large from mid point position gradually towards another port.
Gas circuit control subject 6 offers air intake 5 near one end of valve seat 4.Air intake 5 is connected with gas passage and air.
Oxygen nozzle 11 is connected with oxygen hose 12 by this main valve 2, for spraying into oxygen in the gas passage in gas circuit control subject 6.The flow of oxygen of main valve 2 for regulating oxygen nozzle 11 and spraying.In the present embodiment, oxygen nozzle 11 is arranged on valve seat 4, and is contained in gas circuit control subject 6.
Suction joint 9 is fixed on gas circuit control subject 6 one end away from valve seat 4.
Check valve 10, for opening when patient inhales, makes oxygen to enter in patient body smoothly; Close when patient exhales, the waste gas that patient is breathed out can not enter gas circuit control subject 6.In the present embodiment, check valve 10 is arranged in suction joint 9.Certainly, in other embodiments, check valve 10 also can be arranged in gas circuit control subject 6.
Tee T 19 comprises breathes end 21, first end and the second end.Breathe end 21 to be connected with patient.
Gas deflation assembly comprises gas control lid 16 and diaphragm 17.Gas control lid 16 has a containing cavity.Diaphragm 17 is fixed in gas control lid 16, so that containing cavity is separated into gas control room 15 and air cavity.Gas control lid 16 is set in first end, and first end is contained in air cavity.The end of the aperture efficiency first end of air cavity is bigger, to form a waste gas outlet 18.
Diaphragm 17 optionally can support with the end of first end or be separated according to gas control room 15 and the air pressure change in tee T 19, namely forms a valve port 14.Concrete, when the air pressure in tee T 19 is greater than the air pressure of gas control room 15, diaphragm 17 can be separated with the end of first end, and namely valve port 14 is opened, and the gas in tee T 19 can enter in air cavity, and discharges from waste gas outlet 18; When the air pressure in tee T 19 is less than or equal to gas control room 15, diaphragm 17 supports with the end of first end, and namely valve port 14 is closed, and stops the gas in tee T 19 to enter in air cavity.
Gas circuit control subject 6 is connected with gas control room 15 by pneumatic PEEP pipe 7.
Second end is connected with gas circuit control subject 6 by suction joint 9 by suction nozzle 8.
Tee T 19 offers fixing hole 20 near breathing end 21 place, and sensor sample pipe 13 is connected and fixed hole 20 and circuit control panel 1, amount of oxygen, flow velocity and pressure size that detectable patient sucks and breathes out.
The work process of first-aid respirator is as follows: in expiratory phase, by direct control bound 2, passed into the oxygen of certain flow to gas circuit control subject 6 by oxygen nozzle 11, to form negative pressure near air intake 5, negative pressure can suck a certain amount of air from air intake 5, by regulating oxygen concentration control valve 3, to regulate the oxygen concentration sucking air, and then regulate the oxygen concentration sucking gas in patient body; Now portion gas can enter gas control room 15 from pneumatic PEEP pipe 7, form a pressure in gas control room 15, this pressure can form a pressure to diaphragm 17, and the pressure of diaphragm 17 shuts valve port 14, will enter into inside the lung of patient from breathing end 21 from the gas of suction nozzle 8, complete breathing process; In expiration phase, by regulating main valve 2, pressure inside gas control room 15 reduces, valve port 14 is opened, and the gas of breathing out from patient's lung enters into inside tee T 19 through breathing end 21, now, due to the effect of check valve 10, waste gas cannot enter into gas circuit control subject 6, and waste gas through valve port 14, then can only be discharged through waste gas outlet 18; When being provided with PEEP end expiratory positive pressure value, at expiration end, certain oxygen is passed into by control bound 2, gas enters pneumatic control room 15, maintain the interior pressure in gas control room 15, pressure in gas control room 15 can produce a pressure to diaphragm 17, maintains a PEEP value in tee T 19 and patient's lung.Pressure now in tee T 19 is greater than the pressure of gas circuit control subject 6, and gas can not enter into inside tee T 19.
Compared with prior art, first-aid respirator of the present invention, controls diaphragm 17 indirectly by control bound 2, and complete air-breathing, exhalation process and accurate control PEEP value, ultimate carrying capacity is high.And in breathing process, accurately can control oxygen concentration by regulating oxygen concentration control valve 3.Because this first-aid respirator does not need to use electric magnet to control, therefore volume is little.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a first-aid respirator, it comprises oxygen hose, for exporting oxygen, it is characterized in that, this first-aid respirator also comprises circuit control panel, main valve, gas circuit control subject, oxygen nozzle, check valve, tee T and gas deflation assembly, this main valve is electrically connected with this circuit control panel, makes this circuit control panel can control the action of this main valve; A gas passage and an air intake is offered in this gas circuit control subject; This air intake is connected with this gas passage and air; This oxygen nozzle is connected with this oxygen hose by this main valve, for spraying into oxygen in this gas passage; This tee T comprises breathes end, first end and the second end; This breathing end is connected with patient; This first end is communicated with this gas circuit control subject by this gas deflation assembly; This gas deflation assembly has valve port and waste gas outlet; When this valve port is opened, this waste gas outlet is communicated with this tee T; This second end is communicated with this gas circuit control subject by this check valve; This main valve controls opening or closing of this valve port by controlling the flow of the oxygen of this oxygen nozzle ejection; When the patient inhales, this valve port is closed, this one-way valve opens, and oxygen enters in this tee T, for patient from this gas circuit control subject; As the patient exhales, this valve port is opened, this closed check valve, and the waste gas that patient is breathed out discharges this tee T by this waste gas outlet.
2. first-aid respirator as claimed in claim 1, it is characterized in that, this gas deflation assembly comprises gas control lid and diaphragm, and this gas control lid has a containing cavity; This diaphragm is fixed in this gas control lid, so that this containing cavity is separated into gas control room and air cavity; This first end is contained in this air cavity, and the end of this first end of aperture efficiency of this air cavity is bigger, to form this waste gas outlet; This diaphragm optionally can support or be separated with the end of this first end with the air pressure change in this tee T according to this gas control room, namely forms this valve port.
3. first-aid respirator as claimed in claim 2, is characterized in that, when the air pressure in this tee T is greater than the air pressure of this gas control room, this diaphragm can be separated with the end of this first end, namely this valve port is opened, and the gas in this tee T can enter in this air cavity, and discharges from this waste gas outlet; When the air pressure in this tee T is less than or equal to this gas control room, the end of this diaphragm and this first end supports, and namely this valve port is closed, and stops the gas in this tee T to enter in this air cavity.
4. first-aid respirator as claimed in claim 2, it is characterized in that, this first-aid respirator also comprises pneumatic end expiratory positive pressure pipe, and this gas control room is connected with this gas circuit control subject by this pneumatic end expiratory positive pressure pipe.
5. first-aid respirator as claimed in claim 2, it is characterized in that, this first-aid respirator also comprises suction nozzle, and this suction nozzle is used for this second end to be connected with this gas circuit control subject.
6. first-aid respirator as claimed in claim 5, it is characterized in that, this first-aid respirator also comprises valve seat, and this main valve, this oxygen hose, this gas circuit control subject and this oxygen nozzle are all arranged on this valve seat.
7. first-aid respirator as claimed in claim 6, it is characterized in that, this first-aid respirator also comprises suction joint, this suction joint is arranged on this gas circuit control subject one end away from this valve seat, this check valve is arranged in this suction joint, and this second end is connected with this gas circuit control subject by this suction joint by this suction nozzle.
8. first-aid respirator as claimed in claim 1, it is characterized in that, this first-aid respirator also comprises oxygen concentration control valve, for regulating the oxygen concentration sucking gas in patient body; This oxygen concentration control valve is electrically connected with this circuit control panel.
9. first-aid respirator as claimed in claim 1, it is characterized in that, this first-aid respirator also comprises sensor sample pipe, one end of this sensor sample pipe is connected with this breathing end, the other end is electrically connected with this circuit control panel, for detecting amount of oxygen, flow velocity and pressure size that patient sucks and breathes out.
10. first-aid respirator as claimed in claim 1, it is characterized in that, this gas passage has two ports and a mid point position that are oppositely arranged; This mid point position is in the centre of these two ports; Diminish gradually towards this middle part from one of them port, then become large from this middle part gradually 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 |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510724623.8A CN105169539B (en) | 2015-10-30 | 2015-10-30 | A kind of first-aid respirator |
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| Publication Number | Publication Date |
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| CN105169539A true CN105169539A (en) | 2015-12-23 |
| CN105169539B 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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Cited By (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 | A cardiology emergency respiratory aid device |
| CN114366978A (en) * | 2022-01-25 | 2022-04-19 | 徐州医科大学 | A quick-opening exhalation valve, a ventilator for first aid |
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 |
| CN102500020A (en) * | 2011-09-28 | 2012-06-20 | 于邦仲 | Pilot-operated type control air channel system of breathing 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 |
-
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 |
| CN102500020A (en) * | 2011-09-28 | 2012-06-20 | 于邦仲 | Pilot-operated type control air channel system of breathing 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 |
Cited By (5)
| 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 | A cardiology emergency respiratory aid device |
| CN114366978A (en) * | 2022-01-25 | 2022-04-19 | 徐州医科大学 | A quick-opening exhalation valve, a ventilator for 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 |
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| Publication number | Publication date |
|---|---|
| CN105169539B (en) | 2017-12-26 |
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| C06 | Publication | ||
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| 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. |