CN111214739A - First aid auxiliary breathing device - Google Patents
First aid auxiliary breathing device Download PDFInfo
- Publication number
- CN111214739A CN111214739A CN202010029472.5A CN202010029472A CN111214739A CN 111214739 A CN111214739 A CN 111214739A CN 202010029472 A CN202010029472 A CN 202010029472A CN 111214739 A CN111214739 A CN 111214739A
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- China
- Prior art keywords
- fixedly connected
- connecting pipe
- pipe
- gas
- piston
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000029058 respiratory gaseous exchange Effects 0.000 title claims abstract description 23
- 239000007789 gas Substances 0.000 claims abstract description 61
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000001301 oxygen Substances 0.000 claims abstract description 29
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 29
- 239000012780 transparent material Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 206010003598 Atelectasis Diseases 0.000 description 1
- 206010003694 Atrophy Diseases 0.000 description 1
- 208000005374 Poisoning Diseases 0.000 description 1
- 208000007123 Pulmonary Atelectasis Diseases 0.000 description 1
- 230000037444 atrophy Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
Images
Classifications
-
- 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
- A61M16/0057—Pumps therefor
- A61M16/0072—Tidal volume piston pumps
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- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention discloses an emergency auxiliary breathing device, which belongs to the technical field of medical auxiliary devices and comprises a gas pipe, wherein a piston is arranged in the gas pipe, a first one-way valve is fixedly connected onto the piston, a pull rod is fixedly connected to one side of the piston, a handle is fixedly connected to the other end of the pull rod, one end, away from the handle, of the gas pipe is fixedly connected with a first connecting pipe and a second connecting pipe, an oxygen one-way valve is fixedly connected onto the first connecting pipe, the other end of the first connecting pipe is communicated with an oxygen bag, a second one-way valve is fixedly connected onto the second connecting pipe, an elastic gas bag is sleeved at the other end of the second connecting pipe, and a mask is fixedly connected to the other end of the elastic gas bag through; the invention solves the problems that the prior breathing bag is labor-consuming to operate, can not ensure continuous oxygen delivery and has high oxygen concentration in delivered gas.
Description
Technical Field
The invention belongs to the technical field of medical auxiliary devices, and particularly relates to an emergency auxiliary breathing device.
Background
When a person is in a sudden accident, the rescue time is crucial, medical care personnel are required to effectively rescue the patient in a short time, and the auxiliary device used in the process has the advantages of good curative effect, simple structure, convenience in carrying and the like. Wherein in the aspect of breathing the first aid, the auxiliary device who uses at present is the breathing bag, the breathing bag can assist medical personnel to breathe the first aid to patient, conveniently carry, but the breathing bag is through medical personnel incessantly press the gasbag in the use, send gas to patient, along with pressing the increase of number of times, lead to hand fatigue easily, and when the hand pressed, hand application of force area was limited for the gasbag atress is little, and the gas of inputing patient at every turn is less, can not guarantee to continuously supply gas.
In addition, although oxygen has very important positive effects on human bodies, continuous inhalation of high-purity oxygen easily causes oxygen poisoning of patients, and loss of nitrogen components in inhaled gas easily causes wall atrophy of alveoli, so that atelectasis occurs. Therefore, in the emergency treatment of respiration, not only is it necessary to rapidly and continuously deliver oxygen to the patient, but also it is necessary to avoid directly delivering pure oxygen to the patient so as not to cause other side effects.
Disclosure of Invention
The invention provides a first-aid auxiliary breathing device, which solves the problems that the operation of the existing breathing bag is laborious, the continuous oxygen delivery can not be ensured, and the oxygen concentration in the delivered gas is high.
The invention aims to provide an emergency auxiliary breathing device which comprises a gas pipe, wherein a piston is arranged in the gas pipe, a first gas inlet hole is formed in the piston, a first one-way valve is fixedly connected in the first gas inlet hole, one side of the piston is fixedly connected with a pull rod, one side of the pull rod in the gas pipe is communicated with the atmosphere, and the other end of the pull rod extends to the outside of the gas pipe and is fixedly connected with a handle;
one end, far away from the handle, of the gas pipe is fixedly connected with a first connecting pipe and a second connecting pipe, the first connecting pipe and the second connecting pipe are both communicated with the interior of the gas pipe, the first connecting pipe is fixedly connected with an oxygen one-way valve, and the other end of the first connecting pipe is sleeved with an oxygen bag; fixedly connected with second check valve on the second connecting pipe, second connecting pipe other end fixedly connected with elasticity gasbag, elasticity gasbag other end fixedly connected with third connecting pipe, the elasticity gasbag overcoat is equipped with spacing cover body, spacing cover body both ends respectively with the second connecting pipe and the third connecting pipe outer wall fixed connection who correspond the position, third connecting pipe other end cover is equipped with the air duct, air duct other end fixedly connected with face guard.
Preferably, a pipe cover is arranged at one end, close to the handle, of the gas conveying pipe, a second gas inlet hole and a limiting hole are formed in the pipe cover, and the other end of the pull rod passes through the limiting hole and is fixedly connected with the handle.
Preferably, the gas-supply pipe is transparent material, and the gas-supply pipe lateral wall is equipped with and is equipped with the scale along length direction.
Preferably, the limiting cover body is made of rigid transparent materials, and the whole limiting cover body is ellipsoidal.
Preferably, the maximum elastic volume of the elastic air bag is equal to the volume of the inner cavity of the limiting cover body.
Preferably, a plurality of fixing straps are fixedly connected to the mask.
Compared with the prior art, the invention has the following beneficial effects:
the invention is provided with a gas pipe, a piston is arranged in the gas pipe, a one-way valve is arranged on the piston, one side of the gas pipe is communicated with the atmosphere, the other end of the gas pipe is communicated with an oxygen bag, when the piston is pulled outwards through a pull rod, the pressure of the inner cavity of the gas pipe is reduced, air enters the inner cavity of the gas pipe at the inner side of the piston through the one-way valve on the piston, oxygen also enters from the oxygen bag and is mixed with air, pure oxygen is prevented from being conveyed to a patient, the piston is pushed inwards through the pull rod, the gas in the inner cavity of the gas pipe enters an elastic air bag, the volume of the elastic air bag is increased to be maximally attached to a limiting cover body, the gas in the elastic air bag continuously enters into a mask through a connecting pipe, when the mixed gas is pulled outwards through the pull rod, the elastic; according to the invention, the pull rod is pulled back and forth, so that the gas is conveyed, the process is time-saving and labor-saving, the elastic air bag plays a role in buffering, and the gas can be continuously conveyed to a patient in the whole process; in addition, the invention has simple structure and convenient carrying, and is suitable for being used as an auxiliary breathing device for emergency treatment.
Drawings
Fig. 1 is a schematic structural diagram of a first aid assisted breathing apparatus provided by the present invention;
FIG. 2 is a schematic view of a gas mixing process;
fig. 3 is a schematic diagram of the process of delivering air to the mask.
Description of reference numerals:
1. gas-supply pipe, 11, first connecting pipe, 111, oxygen check valve, 12, second connecting pipe, 121, second check valve, 13, second inlet port, 14, spacing mouth, 2, piston, 21, first check valve, 3, pull rod, 4, handle, 5, oxygen bag, 6, elastic airbag, 61, third connecting pipe, 7, air duct, 8, face guard, 81, fixed band, 9, spacing cover body.
Detailed Description
In order to make the technical solutions of the present invention better understood and implemented by those skilled in the art, the present invention is further described below with reference to the following specific embodiments and the accompanying drawings, but the embodiments are not meant to limit the present invention.
The invention provides an emergency auxiliary breathing device, as shown in figure 1, which comprises a gas pipe 1, wherein a piston 2 is arranged in the gas pipe 1, a first air inlet hole is arranged on the piston 2, a first one-way valve 21 is fixedly connected in the first air inlet hole, the first one-way valve 21 can enable air to enter a pipe cavity on the left side of the piston 2 from the right side of the piston 2, a pull rod 3 is fixedly connected on one side of the piston 2, one side of the pull rod 3 in the gas pipe 1 is communicated with the atmosphere, the other end of the pull rod 3 extends to the outside of the gas pipe 1 and is fixedly connected with a handle 4, the handle 4 is held by hand, the piston 2 can be pulled back and forth in the gas pipe 1 by pulling the pull rod 3, the gas pipe 1 is made of transparent material, scales are arranged on the side wall of the gas pipe 1 along the length direction, so that the pulling distance of the pull rod 3 can be conveniently observed, and a, the pipe cover is provided with a second air inlet hole 13 and a limiting hole 14, the second air inlet hole 13 ensures that the right inner cavity of the air pipe 1 is communicated with the outside atmosphere, the other end of the pull rod 3 passes through the limiting hole 14 and is fixedly connected with the handle 4, the limiting hole 14 can ensure the stability of the pull rod 3 to play a limiting role, air enters the right side of the piston 2 through the second air inlet hole 13 and enters the left inner cavity of the piston 2 through a first one-way valve 21, one end of the air pipe 1 far away from the handle 4 is fixedly connected with a first connecting pipe 11 and a second connecting pipe 12, the first connecting pipe 11 and the second connecting pipe 12 are both communicated with the inside of the air pipe 1, the first connecting pipe 11 is fixedly connected with an oxygen one-way valve 111, the other end of the first connecting pipe 11 is communicated with the oxygen bag 5, oxygen enters the left inner cavity of the piston 2 through the oxygen one-, the oxygen bag 5 is sleeved on the first connecting pipe 11 and can be replaced; the second connecting pipe 12 is fixedly connected with a second one-way valve 121, the other end of the second connecting pipe 12 is fixedly connected with an elastic airbag 6, when the piston 2 is pushed leftwards, mixed gas enters the elastic airbag 6 through the second one-way valve 121, the other end of the elastic airbag 6 is provided with a third connecting pipe 61, the other end of the third connecting pipe 61 is sleeved with an air guide pipe 7, the other end of the air guide pipe 7 is fixedly connected with a face mask 8, a plurality of fixing belts 81 are fixedly connected to the face mask 8 for convenient fixation, in addition, in order to observe the change of the volume of the elastic airbag 6 and limit the elastic airbag 6, a limiting mask body 9 is sleeved outside the elastic airbag 6, the two ends of the limiting mask body 9 are respectively fixedly connected with the outer walls of the second connecting pipe 12 and the third connecting pipe 61, the limiting mask body 9 is made of rigid transparent, the maximum elastic volume of the elastic air bag 6 is equal to the volume of the inner cavity of the limiting cover body 9, when the piston 2 pushes air inwards in the process of conveying the air to a patient, the elastic air bag 6 is attached to the limiting cover body 9, no air is filled into the elastic air bag 6 in the process of pulling the pull rod 3 outwards, the elastic air bag 6 contracts, the air in the elastic air bag is continuously conveyed to the face mask 8, and continuous air supply is guaranteed.
When the mask is used, the mask 8 is worn on the head of a patient and is fixed by the fixing belt 81, when necessary, medical staff can fix the mask by hands to ensure the stability of the mask, as shown in figure 2, the pull rod 3 is pulled rightwards (as shown in A), the pressure of the left side tube cavity of the piston 2 is reduced, air enters the right side of the piston 2 through the second air inlet hole 13 (as shown in E) and enters the left side tube cavity of the piston 2 through the first one-way valve 21 (as shown in B), oxygen enters the left side tube cavity of the piston 2 through the oxygen one-way valve 111 and is mixed with the air (as shown in C), and the processes realize the collection and mixing; as shown in figure 3, the piston 2 is pushed leftwards, gas in the tube cavity enters the elastic air bag 6 through the second one-way valve 121 (shown as D), after the elastic air bag 6 is expanded and is attached to the limiting cover body 9, the gas is conveyed to the face mask 9 through the air guide tube 7, when the pull rod 3 is pulled rightwards, no gas is filled into the elastic air bag 6 through the air guide tube 1 at the moment, the elastic air bag 6 contracts to convey the gas in the elastic air bag to the face mask, and the patient can be guaranteed to continuously obtain the gas. The process provides power for the gas transmission process of the patient by pulling the pull rod 3, solves the problem of labor consumption of the traditional extrusion breathing bag gas transmission mode, ensures that the whole process continuously transmits gas to the patient due to the arrangement of the elastic air bag 6, ensures the mixing of oxygen and air due to the arrangement of the gas transmission pipe 1 and the oxygen bag 5, and avoids the situation that the patient inhales too much high-purity oxygen; the invention has simple structure and convenient operation, and is suitable for respiratory first aid.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, it is intended that such changes and modifications be included within the scope of the appended claims and their equivalents.
Claims (6)
1. The first-aid auxiliary breathing device is characterized by comprising a gas pipe (1), wherein a piston (2) is arranged in the gas pipe (1), a first gas inlet hole is formed in the piston (2), a first one-way valve (21) is fixedly connected in the first gas inlet hole, a pull rod (3) is fixedly connected to one side of the piston (2), one side of the pull rod (3) in the gas pipe (1) is communicated with the atmosphere, and the other end of the pull rod (3) extends to the outside of the gas pipe (1) and is fixedly connected with a handle (4);
one end, far away from the handle (4), of the gas pipe (1) is fixedly connected with a first connecting pipe (11) and a second connecting pipe (12), the first connecting pipe (11) and the second connecting pipe (12) are both communicated with the interior of the gas pipe (1), the first connecting pipe (11) is fixedly connected with an oxygen one-way valve (111), and the other end of the first connecting pipe (11) is sleeved with an oxygen bag (5); fixedly connected with second check valve (121) is gone up in second connecting pipe (12), second connecting pipe (12) other end fixedly connected with elasticity gasbag (6), elasticity gasbag (6) other end fixedly connected with third connecting pipe (61), elasticity gasbag (6) overcoat is equipped with spacing cover body (9), spacing cover body (9) both ends respectively with second connecting pipe (12) and third connecting pipe (61) outer wall fixed connection who correspond the position, third connecting pipe (61) other pot head is equipped with air duct (7), air duct (7) other end fixedly connected with face guard (8).
2. The first-aid auxiliary breathing device as claimed in claim 1, wherein a pipe cover is arranged at one end of the gas pipe (1) close to the handle (4), a second gas inlet hole (13) and a limiting opening (14) are formed in the pipe cover, and the other end of the pull rod (3) passes through the limiting opening (14) and is fixedly connected with the handle (4).
3. The first aid assisted breathing device according to claim 1, wherein the air pipe (1) is made of transparent material, and the side wall of the air pipe (1) is provided with scales along the length direction.
4. A first aid assisted breathing apparatus according to claim 1, wherein the limiting cover (9) is of rigid transparent material, the limiting cover (9) being ellipsoidal in its entirety.
5. The rescue assisted breathing apparatus according to claim 4, characterized in that the maximum elastic volume of the elastic balloon (6) is equal to the volume of the inner cavity of the limiting cap (9).
6. The rescue breathing apparatus according to claim 1, characterized in that a plurality of securing straps (81) are fixedly connected to the face mask (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010029472.5A CN111214739A (en) | 2020-01-13 | 2020-01-13 | First aid auxiliary breathing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010029472.5A CN111214739A (en) | 2020-01-13 | 2020-01-13 | First aid auxiliary breathing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111214739A true CN111214739A (en) | 2020-06-02 |
Family
ID=70826022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010029472.5A Pending CN111214739A (en) | 2020-01-13 | 2020-01-13 | First aid auxiliary breathing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111214739A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112933446A (en) * | 2021-01-29 | 2021-06-11 | 苏州力佳达电子科技有限公司 | Multilayer medical oxygen device suitable for different altitudes |
| CN113576884A (en) * | 2021-07-30 | 2021-11-02 | 卢红 | Medical steam sterilization device with oxygen flow velocity adjusting function |
| CN114887401A (en) * | 2022-04-07 | 2022-08-12 | 西安靖安特环境科技有限公司 | Waste gas treatment conveying device for environment-friendly equipment |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202136658U (en) * | 2011-07-19 | 2012-02-08 | 霍光磊 | Oxygen inhaler for patients with tracheotomy |
| CN202314797U (en) * | 2011-11-16 | 2012-07-11 | 丛树国 | Novel respirator |
| CN202909066U (en) * | 2012-11-21 | 2013-05-01 | 刘岩 | Respiration emergency treatment instrument used for medical nursing |
| CN103623488A (en) * | 2013-12-10 | 2014-03-12 | 庞灵 | Balloon type primary oxygen supply device |
| CN203885966U (en) * | 2014-06-17 | 2014-10-22 | 吴三社 | Simple artificial respirator |
| CN203989351U (en) * | 2014-08-19 | 2014-12-10 | 张卫星 | Breathing apparatus |
| CN206218458U (en) * | 2016-11-18 | 2017-06-06 | 安徽财经大学 | Proportion-controllable hybrid bottle |
| CN207186900U (en) * | 2017-03-13 | 2018-04-06 | 无锡市第二人民医院 | A kind of emergency department manually breathes buoyant apparatus |
| CN108042275A (en) * | 2017-12-21 | 2018-05-18 | 重庆馨康阁科技有限公司 | Field ambulance wounded's seat |
| CN109568754A (en) * | 2018-11-21 | 2019-04-05 | 刘洁 | A kind of assisted respiartion therapeutic device |
| CN208770600U (en) * | 2017-12-28 | 2019-04-23 | 上海市静安区闸北中心医院(上海长征医院闸北分院) | It is saturated inhalation device |
-
2020
- 2020-01-13 CN CN202010029472.5A patent/CN111214739A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202136658U (en) * | 2011-07-19 | 2012-02-08 | 霍光磊 | Oxygen inhaler for patients with tracheotomy |
| CN202314797U (en) * | 2011-11-16 | 2012-07-11 | 丛树国 | Novel respirator |
| CN202909066U (en) * | 2012-11-21 | 2013-05-01 | 刘岩 | Respiration emergency treatment instrument used for medical nursing |
| CN103623488A (en) * | 2013-12-10 | 2014-03-12 | 庞灵 | Balloon type primary oxygen supply device |
| CN203885966U (en) * | 2014-06-17 | 2014-10-22 | 吴三社 | Simple artificial respirator |
| CN203989351U (en) * | 2014-08-19 | 2014-12-10 | 张卫星 | Breathing apparatus |
| CN206218458U (en) * | 2016-11-18 | 2017-06-06 | 安徽财经大学 | Proportion-controllable hybrid bottle |
| CN207186900U (en) * | 2017-03-13 | 2018-04-06 | 无锡市第二人民医院 | A kind of emergency department manually breathes buoyant apparatus |
| CN108042275A (en) * | 2017-12-21 | 2018-05-18 | 重庆馨康阁科技有限公司 | Field ambulance wounded's seat |
| CN208770600U (en) * | 2017-12-28 | 2019-04-23 | 上海市静安区闸北中心医院(上海长征医院闸北分院) | It is saturated inhalation device |
| CN109568754A (en) * | 2018-11-21 | 2019-04-05 | 刘洁 | A kind of assisted respiartion therapeutic device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112933446A (en) * | 2021-01-29 | 2021-06-11 | 苏州力佳达电子科技有限公司 | Multilayer medical oxygen device suitable for different altitudes |
| CN113576884A (en) * | 2021-07-30 | 2021-11-02 | 卢红 | Medical steam sterilization device with oxygen flow velocity adjusting function |
| CN114887401A (en) * | 2022-04-07 | 2022-08-12 | 西安靖安特环境科技有限公司 | Waste gas treatment conveying device for environment-friendly equipment |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200602 |
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| RJ01 | Rejection of invention patent application after publication |