CN110269986B - Portable energy-concerving and environment-protective breathing machine equipment - Google Patents
Portable energy-concerving and environment-protective breathing machine equipment Download PDFInfo
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- CN110269986B CN110269986B CN201910546366.1A CN201910546366A CN110269986B CN 110269986 B CN110269986 B CN 110269986B CN 201910546366 A CN201910546366 A CN 201910546366A CN 110269986 B CN110269986 B CN 110269986B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
- A61M2016/0015—Accessories therefor, e.g. sensors, vibrators, negative pressure inhalation detectors
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
- A61M2016/003—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter
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Abstract
The invention relates to portable energy-saving and environment-friendly respirator equipment. After oxygen pressurized by an oxygen bottle enters a breathing machine by air pressure, the air pressure is used for providing breathing pressure, so that in the breathing process, breathing power does not need to be provided externally, only power enough for controlling a valve needs to be provided, energy is saved, and the breathing device is suitable for being used in positions where electric power is difficult to reach; oxygen in the use process can be collected and recycled, so that the waste of oxygen is avoided, and the energy-saving and environment-friendly effects are achieved. Overall structure is small and exquisite, practices thrift the space, is particularly suitable for installing on the car that can move, and its size is only limited by the size of oxygen cylinder, and is very suitable for portable use under the condition of the oxygen cylinder of small size of cooperation. The oxygen prepared on site is not utilized, the purity of the oxygen is ensured, and the national standard and medical requirements are met. The breathing interface which can be communicated with the atmosphere is provided, the atmosphere is communicated after one breath, and the influence caused by unstable breathing volume of the equipment is avoided.
Description
Technical Field
The invention relates to medical equipment, in particular to portable energy-saving and environment-friendly respirator equipment.
Background
In modern clinical medicine, a ventilator has been widely used in respiratory failure due to various reasons, anesthesia and breathing management during major surgery, respiratory support therapy and emergency resuscitation as an effective means for manually replacing the function of spontaneous ventilation, and has a very important position in the modern medical field. The breathing machine is a vital medical device which can prevent and treat respiratory failure, reduce complications and save and prolong the life of a patient.
However, in the prior art, the portable breathing machine is generally used for producing oxygen on site, and the purity limit of the produced oxygen on site is 93%, which does not meet the national standard for medical oxygen. In addition, the breathing machine in the prior art needs the external power supply, so that the breathing pressure is provided, and the breathing machine cannot be used in the emergency situation that the power cannot reach in time.
Disclosure of Invention
In order to solve the above problems, a portable energy-saving and environment-friendly respirator device is provided, which comprises an oxygen cylinder, a pressure reducing valve, a respirator main machine, a filter and a breathing mask; the oxygen cylinder is connected with the pressure reducing valve and then connected with the main machine of the respirator, the interior of the main machine of the respirator provides breathing pressure by utilizing the air pressure provided by the oxygen cylinder, and the main machine of the respirator is connected with the filter and then connected with the breathing mask;
a controller and a display screen are arranged in the main machine of the respirator, and the controller is connected with the filter and the display screen; a breathing valve, an airflow detector and an oxygen content detector are arranged in the filter; the filter sends the detected data of the flow velocity, flow and oxygen content of the air flow to the controller in real time; the breathing valve is a tee joint and is respectively connected with the atmosphere, the main machine of the respirator and the breathing mask.
An electric control three-way valve, a semi-cylindrical control cavity and a semi-cylindrical breathing cavity are arranged in the main machine of the respirator; the semi-cylindrical control cavity and the semi-cylindrical breathing cavity are of semi-cylindrical structures and have the same size, the semi-cylindrical control cavity and the semi-cylindrical breathing cavity are connected together to form a complete cylinder, and the semi-cylindrical control cavity and the semi-cylindrical breathing cavity are separated by a partition plate in a sealing way;
a swinging plate is arranged between the semi-cylindrical control cavity and the semi-cylindrical breathing cavity, the center of the swinging plate is arranged on the partition plate, and the swinging plate can rotate along the axis of the cylinder; one end of the swinging plate is arranged in the semi-cylindrical control cavity, and the other end of the swinging plate is arranged in the semi-cylindrical breathing cavity; two ends of the swinging plate are respectively contacted with cylindrical surfaces of the semi-cylindrical control cavity and the semi-cylindrical breathing cavity, so that the semi-cylindrical control cavity is divided into a first control cavity and a second control cavity, and the semi-cylindrical breathing cavity is divided into a first breathing cavity and a second breathing cavity; the second breathing cavity is a cavity communicated with the atmosphere and is provided with a ventilation port;
the pressure reducing valve is connected with the electric control three-way valve and then divided into two branches which are respectively connected with the first control cavity and the second control cavity; the first breathing cavity is connected with the filter; a first ventilation pipeline for ventilation is arranged between the first control cavity and the first breathing cavity, and a first electric control valve is arranged on the first ventilation pipeline; a second ventilation pipeline for ventilation is arranged between the second control cavity and the first breathing cavity, and a second electric control valve is arranged on the second ventilation pipeline;
the first breathing cavity is also provided with a first exhaust valve; the first control cavity is provided with a second exhaust valve, the second control cavity is provided with a third exhaust valve, and the rear parts of the second exhaust valve and the third exhaust valve are connected with an air collecting bag;
the breathing valve, the electric control three-way valve, the first electric control valve, the second electric control valve, the first exhaust valve, the second exhaust valve and the third exhaust valve are all connected with a controller; the controller completes the breathing control by controlling the opening and closing of the breathing valve, the electric control three-way valve, the first electric control valve, the second electric control valve, the first exhaust valve, the second exhaust valve and the third exhaust valve.
The working process of the breathing machine comprises the following steps:
step of air suction
The breathing valve is communicated with the first breathing cavity and the breathing mask, the electric control three-way valve enables the pressure reducing valve to be communicated with the first control cavity, the first electric control valve is closed, the second electric control valve is opened, the first exhaust valve is closed, the second exhaust valve is closed, and the third exhaust valve is closed;
the volume of the first control cavity is increased, the volume of the second control cavity is reduced, the volume of the first breathing cavity is reduced, and oxygen is output to the breathing mask through the first breathing cavity;
step of expiration
The breathing valve is communicated with the first breathing cavity and the breathing mask, the electric control three-way valve enables the pressure reducing valve to be communicated with the second control cavity, the first electric control valve is closed, the second electric control valve is closed, the first exhaust valve is closed, the second exhaust valve is opened, and the third exhaust valve is closed;
the volume of the first control cavity is reduced, the volume of the second control cavity is increased, the volume of the first breathing cavity is increased, and the exhaled air enters the first breathing cavity through the breathing mask; the gas of the first control cavity enters the gas collecting bag;
step of exhausting
The breathing valve is communicated with atmosphere and the breathing mask, the electric control three-way valve enables the pressure reducing valve to be communicated with the first control cavity, the first electric control valve is closed, the second electric control valve is closed, the first exhaust valve is closed, the second exhaust valve is opened, and the third exhaust valve is opened;
the volume of the first control cavity is increased, the volume of the second control cavity is reduced, the volume of the first breathing cavity is reduced, and the exhaled gas is output to the outside through the first breathing cavity; the gas of the second control cavity enters the gas collecting bag;
recovery step
The breathing valve is communicated with atmosphere and the breathing mask, the electric control three-way valve enables the pressure reducing valve to be communicated with the second control cavity, the first electric control valve is opened, the second electric control valve is closed, the first exhaust valve is closed, the second exhaust valve is closed, and the third exhaust valve is closed;
the volume of the first control cavity is reduced, the volume of the second control cavity is increased, the volume of the first breathing cavity is increased, and the gas in the first control cavity enters the first breathing cavity;
the time of the inspiration step and the expiration step is 0.5-3 seconds; the time for the degassing step and the recovering step is 0.1-0.4 seconds.
The air collecting bag is detachably connected.
The invention has the beneficial effects that:
according to the invention, after oxygen pressurized by the oxygen bottle enters the respirator by utilizing the air pressure, the air pressure is utilized to provide the breathing pressure, so that in the breathing process, the external connection is not needed to provide breathing power, only enough power for controlling the valve is needed to be provided, the energy is saved, and the respirator is suitable for being used at the position where the electric power is difficult to reach; oxygen in the use process can be collected and recycled, so that the waste of oxygen is avoided, and the energy-saving and environment-friendly effects are achieved. Overall structure is small and exquisite, practices thrift the space, is particularly suitable for installing on the car that can move, and its size is only limited by the size of oxygen cylinder, and is very suitable for portable use under the condition of the oxygen cylinder of small size of cooperation. The oxygen prepared on site is not utilized, the purity of the oxygen is ensured, and the national standard and medical requirements are met. The invention provides a breathing interface which can be communicated with atmosphere, and the atmosphere is communicated after one-time breathing, thereby avoiding the influence caused by unstable breathing volume of the equipment.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosed subject matter, are incorporated in and constitute a part of this specification. The drawings illustrate the implementations of the disclosed subject matter and, together with the detailed description, serve to explain the principles of implementations of the disclosed subject matter. No attempt is made to show structural details of the disclosed subject matter in more detail than is necessary for a fundamental understanding of the disclosed subject matter and various modes of practicing the same.
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic diagram of the main structure of the ventilator.
Detailed Description
The advantages, features and methods of accomplishing the same will become apparent from the drawings and the detailed description that follows.
Referring to fig. 1-2, a portable energy-saving and environment-friendly ventilator apparatus includes an oxygen cylinder 100, a pressure reducing valve 200, a ventilator main unit 300, a filter 400, and a breathing mask 500; the oxygen bottle 100 is connected with the pressure reducing valve 200 and then connected with the main respirator 300, the breathing pressure is provided by the air pressure provided by the oxygen bottle 100 in the main respirator 300, and the main respirator 300 is connected with the breathing mask 500 after being connected with the filter 400;
a controller 301 and a display screen are arranged in the main machine 300 of the respirator, and the controller 301 is connected with the filter 400 and the display screen; a breathing valve, an airflow detector and an oxygen content detector are arranged in the filter 400; the filter 400 sends the detected data of the flow velocity, flow and oxygen content of the air flow to the controller 301 in real time; the breathing valve is a tee joint and is respectively connected with the atmosphere, the main respirator 300 and the breathing mask 500.
An electric control three-way valve 302, a semi-cylindrical control cavity 303 and a semi-cylindrical breathing cavity 304 are arranged in the main respirator 300; the semi-cylindrical control cavity 303 and the semi-cylindrical breathing cavity 304 are both of semi-cylindrical structures and have the same size, the semi-cylindrical control cavity 303 and the semi-cylindrical breathing cavity 304 are connected together to form a complete cylinder shape, and the semi-cylindrical control cavity 303 and the semi-cylindrical breathing cavity 304 are sealed and separated by a partition plate 305;
a swinging plate 306 is arranged between the semi-cylindrical control cavity 303 and the semi-cylindrical breathing cavity 304, the center of the swinging plate 306 is arranged on the partition plate 305, and the swinging plate 306 can rotate along the axis of the cylinder; one end of the swing plate 306 is arranged in the semi-cylindrical control cavity 303, and the other end of the swing plate 306 is arranged in the semi-cylindrical breathing cavity 304; the two ends of the swing plate 306 are respectively in contact with the cylindrical surfaces of the semi-cylindrical control cavity 303 and the semi-cylindrical breathing cavity 304, so that the semi-cylindrical control cavity 303 is divided into two cavities, namely a first control cavity 311 and a second control cavity 312, and the semi-cylindrical breathing cavity 304 is divided into two cavities, namely a first breathing cavity 313 and a second breathing cavity 314; the second breathing cavity 314 is a cavity communicated with the atmosphere and is provided with a ventilation port;
the pressure reducing valve 200 is connected with the electric control three-way valve 302 and then divided into two branches which are respectively connected with the first control cavity 311 and the second control cavity 312; the first breathing chamber 313 is connected with the filter 400; a first ventilation pipeline for ventilation is arranged between the first control cavity 311 and the first breathing cavity 313, and a first electric control valve 315 is arranged on the first ventilation pipeline; a second ventilation pipeline for ventilation is arranged between the second control cavity 312 and the first breathing cavity 313, and a second electric control valve 316 is arranged on the second ventilation pipeline;
the first breathing cavity 313 is also provided with a first exhaust valve 317; the first control cavity 311 is provided with a second exhaust valve 318, the second control cavity 312 is provided with a third exhaust valve 319, and the second exhaust valve 318 and the third exhaust valve 319 are connected with an air collecting bag 320;
the breathing valve, the electric control three-way valve 302, the first electric control valve 315, the second electric control valve 316, the first exhaust valve 317, the second exhaust valve 318 and the third exhaust valve 319 are all connected with the controller 301; the controller 301 controls the breathing valve, the electrically controlled three-way valve 302, the first electrically controlled valve 315, the second electrically controlled valve 316, the first exhaust valve 317, the second exhaust valve 318, and the third exhaust valve 319 to open and close.
The working process of the breathing machine comprises the following steps:
step of air suction
The breathing valve is communicated with the first breathing cavity 313 and the breathing mask 500, the electric control three-way valve 302 enables the pressure reducing valve 200 to be communicated with the first control cavity 311, the first electric control valve 315 is closed, the second electric control valve 316 is opened, the first exhaust valve 317 is closed, the second exhaust valve 318 is closed, and the third exhaust valve 319 is closed;
the volume of the first control cavity 311 is increased, the volume of the second control cavity 312 is decreased, the volume of the first breathing cavity 313 is decreased, and oxygen is output to the breathing mask 500 through the first breathing cavity 313;
step of expiration
The breathing valve is communicated with the first breathing cavity 313 and the breathing mask 500, the electric control three-way valve 302 enables the pressure reducing valve 200 to be communicated with the second control cavity 312, the first electric control valve 315 is closed, the second electric control valve 316 is closed, the first exhaust valve 317 is closed, the second exhaust valve 318 is opened, and the third exhaust valve 319 is closed;
the volume of the first control chamber 311 is reduced, the volume of the second control chamber 312 is increased, the volume of the first breathing chamber 313 is increased, and the exhaled air enters the first breathing chamber 313 through the breathing mask 500; the gas of the first control chamber 311 enters the gas collecting bag 320;
step of exhausting
The breathing valve is communicated with atmosphere and the breathing mask 500, the electric control three-way valve 302 enables the pressure reducing valve 200 to be communicated with the first control cavity 311, the first electric control valve 315 is closed, the second electric control valve 316 is closed, the first exhaust valve 317 is closed, the second exhaust valve 318 is opened, and the third exhaust valve 319 is opened;
the volume of the first control cavity 311 is increased, the volume of the second control cavity 312 is reduced, the volume of the first breathing cavity 313 is reduced, and the exhaled gas is output to the outside through the first breathing cavity 313; the gas of the second control chamber 312 enters the gas collecting bag 320;
recovery step
The breathing valve is communicated with atmosphere and the breathing mask 500, the electric control three-way valve 302 enables the pressure reducing valve 200 to be communicated with the second control cavity 312, the first electric control valve 315 is opened, the second electric control valve 316 is closed, the first exhaust valve 317 is closed, the second exhaust valve 318 is closed, and the third exhaust valve 319 is closed;
the volume of the first control cavity 311 is reduced, the volume of the second control cavity 312 is increased, the volume of the first breathing cavity 313 is increased, and the gas in the first control cavity 311 enters the first breathing cavity 313;
the time of the inspiration step and the expiration step is 0.5-3 seconds; the time for the degassing step and the recovering step is 0.1-0.4 seconds.
The air collecting bag 320 is detachably connected.
When in actual use, the air collecting bag can be detached after being filled with air, oxygen is stored, and the oxygen in the air collecting bag is concentrated and pressurized at a place with equipment condition and is flushed into the oxygen bottle.
The controller has an input interface that can adjust the breathing rate, speed, and pressure of the ventilator. The controller is provided with a power supply which provides power for the controller and the valve.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (3)
1. A portable energy-saving and environment-friendly breathing machine device is characterized by comprising an oxygen cylinder (100), a pressure reducing valve (200), a breathing machine host (300), a filter (400) and a breathing mask (500); the oxygen bottle (100) is connected with the pressure reducing valve (200) and then connected with the main respirator (300), the breathing pressure is provided by the air pressure provided by the oxygen bottle (100) in the main respirator (300), and the main respirator (300) is connected with the filter (400) and then connected with the breathing mask (500);
a controller (301) and a display screen are arranged in the main machine (300) of the respirator, and the controller (301) is connected with the filter (400) and the display screen; a breathing valve, an airflow detector and an oxygen content detector are arranged in the filter (400); the filter (400) sends the detected data of the flow velocity, flow and oxygen content of the air flow to the controller (301) in real time; the breathing valve is a tee joint and is respectively connected with the atmosphere, the main respirator (300) and the breathing mask (500);
an electric control three-way valve (302), a semi-cylindrical control cavity (303) and a semi-cylindrical breathing cavity (304) are arranged in the main respirator (300); the semi-cylindrical control cavity (303) and the semi-cylindrical breathing cavity (304) are both of semi-cylindrical structures and have the same size, the semi-cylindrical control cavity (303) and the semi-cylindrical breathing cavity (304) are connected together to form a complete cylinder shape, and the semi-cylindrical control cavity (303) and the semi-cylindrical breathing cavity (304) are sealed and separated by a partition plate (305);
a swinging plate (306) is arranged between the semi-cylindrical control cavity (303) and the semi-cylindrical breathing cavity (304), the center of the swinging plate (306) is arranged on the partition plate (305), and the swinging plate (306) can rotate along the axis of the cylinder; one end of the swinging plate (306) is arranged in the semi-cylindrical control cavity (303), and the other end of the swinging plate (306) is arranged in the semi-cylindrical breathing cavity (304); two ends of the swinging plate (306) are respectively contacted with cylindrical surfaces of the semi-cylindrical control cavity (303) and the semi-cylindrical breathing cavity (304), so that the semi-cylindrical control cavity (303) is divided into a first control cavity (311) and a second control cavity (312), and the semi-cylindrical breathing cavity (304) is divided into a first breathing cavity (313) and a second breathing cavity (314); the second breathing cavity (314) is a cavity communicated with the atmosphere and is provided with a ventilation port;
the pressure reducing valve (200) is connected with the electric control three-way valve (302) and then divided into two branches which are respectively connected with the first control cavity (311) and the second control cavity (312); the first breathing cavity (313) is connected with the filter (400); a first ventilation pipeline for ventilation is arranged between the first control cavity (311) and the first breathing cavity (313), and a first electric control valve (315) is arranged on the first ventilation pipeline; a second ventilation pipeline for ventilation is arranged between the second control cavity (312) and the first breathing cavity (313), and a second electric control valve (316) is arranged on the second ventilation pipeline;
the first breathing cavity (313) is also provided with a first exhaust valve (317); the first control cavity (311) is provided with a second exhaust valve (318), the second control cavity (312) is provided with a third exhaust valve (319), and the second exhaust valve (318) and the third exhaust valve (319) are connected with an air collecting bag (320);
the breathing valve, the electric control three-way valve (302), the first electric control valve (315), the second electric control valve (316), the first exhaust valve (317), the second exhaust valve (318) and the third exhaust valve (319) are all connected with the controller (301); the controller (301) completes breathing control by controlling the opening and closing of the breathing valve, the electric control three-way valve (302), the first electric control valve (315), the second electric control valve (316), the first exhaust valve (317), the second exhaust valve (318) and the third exhaust valve (319).
2. The portable energy saving and environmental friendly ventilator apparatus of claim 1, wherein:
the working process of the breathing machine comprises the following steps:
a) step of air suction
The breathing valve is communicated with the first breathing cavity (313) and the breathing mask (500), the electric control three-way valve (302) enables the pressure reducing valve (200) to be communicated with the first control cavity (311), the first electric control valve (315) is closed, the second electric control valve (316) is opened, the first exhaust valve (317) is closed, the second exhaust valve (318) is closed, and the third exhaust valve (319) is closed;
the volume of the first control cavity (311) is increased, the volume of the second control cavity (312) is reduced, the volume of the first breathing cavity (313) is reduced, and oxygen is output to the breathing mask (500) through the first breathing cavity (313);
b) step of expiration
The breathing valve is communicated with the first breathing cavity (313) and the breathing mask (500), the electric control three-way valve (302) enables the pressure reducing valve (200) to be communicated with the second control cavity (312), the first electric control valve (315) is closed, the second electric control valve (316) is closed, the first exhaust valve (317) is closed, the second exhaust valve (318) is opened, and the third exhaust valve (319) is closed;
the volume of the first control cavity (311) is reduced, the volume of the second control cavity (312) is increased, the volume of the first breathing cavity (313) is increased, and the exhaled air enters the first breathing cavity (313) through the breathing mask (500); the gas of the first control cavity (311) enters the gas collecting bag (320);
c) step of exhausting
The breathing valve is communicated with atmosphere and the breathing mask (500), the pressure reducing valve (200) is communicated with the first control cavity (311) through the electric control three-way valve (302), the first electric control valve (315) is closed, the second electric control valve (316) is closed, the first exhaust valve (317) is closed, the second exhaust valve (318) is opened, and the third exhaust valve (319) is opened;
the volume of the first control cavity (311) is increased, the volume of the second control cavity (312) is reduced, the volume of the first breathing cavity (313) is reduced, and the exhaled gas is output to the outside through the first breathing cavity (313); the gas of the second control chamber (312) enters the gas collecting bag (320);
d) recovery step
The breathing valve is communicated with atmosphere and the breathing mask (500), the pressure reducing valve (200) is communicated with the second control cavity (312) through the electric control three-way valve (302), the first electric control valve (315) is opened, the second electric control valve (316) is closed, the first exhaust valve (317) is closed, the second exhaust valve (318) is closed, and the third exhaust valve (319) is closed;
the volume of the first control cavity (311) is reduced, the volume of the second control cavity (312) is increased, the volume of the first breathing cavity (313) is increased, and the gas in the first control cavity (311) enters the first breathing cavity (313);
the time of the inspiration step and the expiration step is 0.5-3 seconds; the time for the degassing step and the recovering step is 0.1-0.4 seconds.
3. The portable energy saving and environmental friendly ventilator apparatus of claim 2, wherein: the air collecting bag (320) is detachably connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910546366.1A CN110269986B (en) | 2019-06-24 | 2019-06-24 | Portable energy-concerving and environment-protective breathing machine equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910546366.1A CN110269986B (en) | 2019-06-24 | 2019-06-24 | Portable energy-concerving and environment-protective breathing machine equipment |
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| Publication Number | Publication Date |
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| CN110269986A CN110269986A (en) | 2019-09-24 |
| CN110269986B true CN110269986B (en) | 2020-06-05 |
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| JP2001259040A (en) * | 2000-03-17 | 2001-09-25 | Marutaka Co Ltd | Resistor for flow rate regulation of oxygen concentrator |
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| CN203777534U (en) * | 2014-02-21 | 2014-08-20 | 杭州安诺过滤器材有限公司 | Portable type breathing filtering device |
| CN204017066U (en) * | 2014-08-16 | 2014-12-17 | 范秀斌 | Novel Respiratory Medicine apparatus of oxygen supply |
| CN105311721A (en) * | 2015-09-10 | 2016-02-10 | 广州弘凯物联网服务有限公司 | Oxygen therapy quality management method and system |
| CN108744218A (en) * | 2018-03-30 | 2018-11-06 | 广东知识城运营服务有限公司 | A kind of adjustable Respiratory Medicine oxygen supply device |
-
2019
- 2019-06-24 CN CN201910546366.1A patent/CN110269986B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001259040A (en) * | 2000-03-17 | 2001-09-25 | Marutaka Co Ltd | Resistor for flow rate regulation of oxygen concentrator |
| CN2784586Y (en) * | 2004-07-22 | 2006-05-31 | 王福民 | Rotary engine with separator |
| CN203777534U (en) * | 2014-02-21 | 2014-08-20 | 杭州安诺过滤器材有限公司 | Portable type breathing filtering device |
| CN204017066U (en) * | 2014-08-16 | 2014-12-17 | 范秀斌 | Novel Respiratory Medicine apparatus of oxygen supply |
| CN105311721A (en) * | 2015-09-10 | 2016-02-10 | 广州弘凯物联网服务有限公司 | Oxygen therapy quality management method and system |
| CN108744218A (en) * | 2018-03-30 | 2018-11-06 | 广东知识城运营服务有限公司 | A kind of adjustable Respiratory Medicine oxygen supply device |
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| CN110269986A (en) | 2019-09-24 |
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