CN109847117A - A manual suction device - Google Patents
A manual suction device Download PDFInfo
- Publication number
- CN109847117A CN109847117A CN201910094474.XA CN201910094474A CN109847117A CN 109847117 A CN109847117 A CN 109847117A CN 201910094474 A CN201910094474 A CN 201910094474A CN 109847117 A CN109847117 A CN 109847117A
- Authority
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- China
- Prior art keywords
- shell
- sputum aspirator
- piston
- venthole
- bottle
- 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
- 206010036790 Productive cough Diseases 0.000 claims abstract description 61
- 208000024794 sputum Diseases 0.000 claims abstract description 61
- 210000003802 sputum Anatomy 0.000 claims abstract description 61
- 206010062717 Increased upper airway secretion Diseases 0.000 claims description 17
- 208000026435 phlegm Diseases 0.000 claims description 17
- 230000005611 electricity Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
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- External Artificial Organs (AREA)
Abstract
本发明提供了一种手动吸痰器，涉及医疗器械技术领域，以解决现有技术中存在的吸痰器需要带电使用，受环境制约，使用不便的技术问题。该装置包括吸痰管、与所述吸痰管连通的容纳瓶和与所述容纳瓶连通的吸气泵，所述吸气泵包括壳体、连杆和匹配设置于所述壳体内的活塞，所述连杆穿过所述壳体与所述活塞连接，且所述连杆能够带动所述活塞沿着所述壳体的内表面轴向往返移动，以使所述吸气泵产生吸力作用于所述吸痰管外，外界的痰液在气流带动下进入所述吸痰管后流入所述容纳瓶内。本发明手动使用，结构简单，降低操作难度。
The present invention provides a manual sputum suction device, which relates to the technical field of medical devices, and solves the technical problem that the sputum suction device in the prior art needs to be used with electricity, is restricted by the environment, and is inconvenient to use. The device includes a sputum suction tube, a accommodating bottle communicated with the sputum suction tube, and a suction pump communicated with the accommodating bottle. The suction pump includes a casing, a connecting rod and a piston matched in the casing. , the connecting rod is connected to the piston through the casing, and the connecting rod can drive the piston to move back and forth axially along the inner surface of the casing, so that the suction pump can generate suction Acting on the outside of the sputum suction tube, the sputum from the outside is driven by the airflow into the sputum suction tube and then flows into the container bottle. The present invention is used manually, has a simple structure, and reduces the difficulty of operation.
Description
Technical field
The present invention relates to the field of medical instrument technology, more particularly, to a kind of Manpower sputum aspirator.
Background technique
Sputum aspirator is often needed to use in hospital clinical nursing, first aid procedures.Existing sputum aspirator is electric sputum sucker,
Not only at high cost, heavy and not readily portable, must more seriously rely on power supply could work, and emergency physician is frequently necessary to
It pays a home visit and carries out rescue work to outdoor even field, be not generally possible to find power supply at one's side in patient in such cases, make electronic
Sputum aspirator can not use and delay emergency time.Equally, for residential care, if had a power failure, electric sputum sucker
It can not use.
Applicants have discovered that the existing technology has at least the following problems:
Existing sputum aspirator, which needs to charge, to be used, inconvenient for use by environmental constraints.
Summary of the invention
The purpose of the present invention is to provide a kind of Manpower sputum aspirators, need band to solve sputum aspirator existing in the prior art
Electricity uses, by environmental constraints, technical problem inconvenient for use.Optimal technical scheme in many technical solutions provided by the invention
Many technical effects (structure is simple, the at low cost, easy to use) elaboration as detailed below that can be generated.
To achieve the above object, the present invention provides following technical schemes:
A kind of Manpower sputum aspirator provided by the invention, including sputum aspirator tube, the receiving bottle being connected to the sputum aspirator tube and with institute
The asepwirator pump for accommodating bottle connection is stated, the asepwirator pump includes that shell, connecting rod and matching are set to the intracorporal piston of the shell, described
Connecting rod passes through the shell and connect with the piston, and the connecting rod is able to drive the piston along the inner surface of the shell
Axial to move back and forth, so that the asepwirator pump generates suction in outside the sputum aspirator tube, extraneous sputum is under air-flow drive
It is flowed into after into the sputum aspirator tube in the receiving bottle.
Preferably, the piston is abutted with the inner wall of the shell, and the shell is separated into lower chamber and closed upper
Gas chamber is provided on the upper chamber and is connected to the enclosure interior and external the first air inlet and the first venthole, and described the
Non-return air valve, and the Non-return air valve of first air inlet and described are provided in one air inlet and first venthole
The Non-return air valve setting direction of one venthole is on the contrary, so that gas can be entered by first air inlet in the receiving bottle
The upper chamber, alternatively, gas passes through first venthole outflow upper chamber in the upper chamber.
Preferably, the top surface of the lower chamber offers opening, and the connecting rod passes through the opening and the housing seal
Connection, the lower chamber is closed, be provided on the side wall of the lower chamber connection enclosure interior and external second into
Non-return air valve, and described first are provided on stomata and the second venthole, second air inlet and second venthole
The Non-return air valve setting direction of the Non-return air valve of air inlet and second air inlet on the contrary, first venthole unidirectional gas
The Non-return air valve setting direction of valve and second venthole is on the contrary, so that gas can pass through described first in the receiving bottle
Air inlet enters in the upper chamber and gas can be flowed out by second venthole in the lower chamber, alternatively, described
Gas can be entered by second air inlet in the lower chamber in receiving bottle and gas can pass through in the upper chamber
The first venthole outflow.
Preferably, it is provided with pressure spring in the upper chamber and the lower chamber, the piston is located in the shell
Portion, the pressure spring are nature, and moving positioned at the piston of the housing central section along the inner wall of the shell can
Change the pressure spring state on its moving direction.
Preferably, it is provided with pressure spring in the upper chamber and the lower chamber, the piston is located in the shell
Portion, deformation occurs and deformation quantity is equal for two pressure springs, and the piston positioned at the housing central section is along the shell
The power when inner wall of body is mobile by the pressure spring is equal.
Preferably, the both ends of the shell are provided with the pressure storehouse for accommodating the pressure spring, and one end of the pressure spring connects institute
Pressure storehouse is stated, the other end connect with the piston, contour with the pressure storehouse when pressure spring nature.
It preferably, further include handle, one end of the connecting rod connects the handle, described in the other end connection of the connecting rod
Piston.
Preferably, the side wall for accommodating bottle offers phlegm inlet, offers gas outlet on the top surface for accommodating bottle, institute
It states sputum aspirator tube to be set in the phlegm inlet, be threadedly coupled with the receiving bottle, the gas outlet and the asepwirator pump pass through company
Pipe connection.
Preferably, one end of the connecting leg is threadedly coupled with the gas outlet, the other end of the connecting leg and the air-breathing
Pump is detachably connected.
Preferably, the direction that opens up of the gas outlet favours the top surface for accommodating bottle, so that the connecting leg is set to
On the gas outlet, with the top surface inclination for accommodating bottle, the side for accommodating bottle is provided with resistance phlegm piece in the connecting leg.
A kind of Manpower sputum aspirator provided by the invention, including sputum aspirator tube, the receiving bottle being connected to sputum aspirator tube and with accommodate bottle
The asepwirator pump of connection, asepwirator pump include that shell, connecting rod and matching are set to the intracorporal piston of shell, and connecting rod passes through shell and piston connects
It connects, and connecting rod is able to drive piston and moves back and forth along the inner surface axial of shell, so that asepwirator pump generates suction in suction
Outside phlegm pipe, extraneous sputum flows into receiving bottle after entering sputum aspirator tube under air-flow drive, and compared with prior art, asepwirator pump is
Manual operation drives connecting rod to move back and forth along shell, asepwirator pump is made to generate suction for phlegm in human body manually by firmly grasping connecting rod
Liquid is drawn.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of Manpower sputum aspirator；
Fig. 2 is the structural schematic diagram of Non-return air valve.
1, sputum aspirator tube in figure；2, bottle is accommodated；21, gas outlet；22, pressure adjusts mouth；3, asepwirator pump；31, shell；32, even
Bar；33, piston；34, upper chamber；35, lower chamber；36, pressure spring；37, ballasting；4, phlegm piece is hindered；5, Non-return air valve.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical solution of the present invention will be carried out below
Detailed description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are obtained all without making creative work
Other embodiment belongs to the range that the present invention is protected.
A kind of Manpower sputum aspirator provided by the invention, as shown in Figs. 1-2, including asepwirator pump 3, sputum aspirator tube 1 and for accommodating
The receiving bottle 2 of sputum accommodates bottle 2 and is connected to sputum aspirator tube 1, asepwirator pump 3, and the pumping of asepwirator pump 3 makes on sputum aspirator tube 1 far from receiving bottle 2
One end nozzle generate towards the suction inside sputum aspirator tube 1 so that Manpower sputum aspirator can be by the sputum of patient's body in air-flow
Enter after entering in sputum aspirator tube 1 under driving and accommodates in bottle 2.
Asepwirator pump 3 is hand, including the piston 33 that shell 31, connecting rod 32 and matching are set in shell 31, piston 33
It is abutted with the inner wall of shell 31, connecting rod 32 and the connection of piston 33 and connecting rod 32 are able to drive along axial move back and forth of shell 31
Piston 33 is moved along the inner surface axial of shell 31, and to squeeze the gas in shell 31, asepwirator pump 3 generates suction in suction
Phlegm pipe 1, extraneous sputum flow into receiving bottle 2 after entering sputum aspirator tube 1 under air-flow drive.
As optional embodiment, asepwirator pump 3 further includes the handle held, and one end of connecting rod 32 connects handle, connecting rod
32 other end connects piston 33.Further, handle and the cooperation of connecting rod 32 are in T-shape, and curved side is provided on handle, with
Shape is held in matching.
It as optional embodiment, accommodates and offers phlegm inlet on the side wall of bottle 2, accommodate and offered on the top surface of bottle 2
Gas outlet 21.
Further, phlegm inlet is opened in the middle part for accommodating bottle 2, and gas outlet 21 is opened in and accommodates on bottle 2 far from into phlegm
On the side top surface of mouth, sputum aspirator tube 1 is set in phlegm inlet, is threadedly coupled with bottle 2 is accommodated, gas outlet 21 passes through with asepwirator pump 3
Connecting leg connection.
One end of connecting leg is threadedly coupled with gas outlet 21, and the other end and the asepwirator pump 3 of connecting leg are detachably connected.
As optional embodiment, the direction that opens up of gas outlet 21 favours the top surface for accommodating bottle 2, so that connecting leg is arranged
In on gas outlet 21, and the top surface inclination for accommodating bottle 2 is provided with resistance phlegm piece 4 close to the side for accommodating bottle 2 in connecting leg, connecting leg
Inclined design can make sputum be flowed back by gravity, meanwhile, the setting of resistance phlegm piece 4 reduces sputum and enters the wind in asepwirator pump 3
Danger.The size for hindering phlegm piece 4 is less than the cross-sectional shapes of connecting leg, and the half of the cross-sectional shapes for connecting leg.
As optional embodiment, accommodates and offer the inside and outside pressure tune of connection receiving bottle 2 on the top surface of bottle 2
Mouth 22 is saved, it is in " V " type, pressure tune with the cooperation of gas outlet 21 that the direction that opens up that pressure adjusts mouth 22, which favours the top surface for accommodating bottle 2,
Elastic piece is provided on section mouth 22, elastic piece and pressure adjust mouth 22 and is rotatablely connected, and the rotation direction direction of elastic piece accommodates
In bottle 2, so that air pressure is too low in receiving bottle 2, the adjusting connection of mouth 22 of elastic piece rotating opening pressure is made to accommodate 2 inside of bottle with outside
Portion.Further, the connection that elastic piece and pressure adjust mouth 22 can be flexible connection, and further, pressure adjusts mouth 22
The other end is provided with adjusting lid, adjusts mouth 22 to block pressure, prevents elastic piece and accommodates the rotation link fails of bottle 2.
As optional embodiment, piston 33 is abutted with the inner wall of shell 31, and shell 31 is separated into 35 He of lower chamber
Closed upper chamber 34 is provided with connection shell 31 inside and outside the first air inlet and the first venthole on upper chamber 34,
Non-return air valve 5, and the Non-return air valve 5 and the first venthole of the first air inlet are provided in first air inlet and the first venthole
5 setting direction of Non-return air valve on the contrary, so that accommodate bottle 2 in gas can enter upper chamber 34, upper gas by the first air inlet
Gas flows out upper chamber 34 by the first venthole in room 34
As optional embodiment, the opening of air-flow flowing is provided on lower chamber 35.
As optional embodiment, piston 33 is abutted with the inner wall of shell 31, and shell 31 is separated into closed lower gas
Room 35 and closed upper chamber 34 are provided with inside and outside the first air inlet and first of connection shell 31 on upper chamber 34 and go out
Non-return air valve 5, and the Non-return air valve 5 and first of the first air inlet are provided in stomata, the first air inlet and the first venthole
5 setting direction of Non-return air valve of venthole is on the contrary, so that upper chamber can be entered by the first air inlet by accommodating gas in bottle 2
34, the top surface of lower chamber 35 offers opening, and connecting rod 32 passes through opening, is tightly connected with shell 31, and lower chamber 35 is closed, under
Be provided with inside and outside the second air inlet and the second venthole of connection shell 31 on the side wall of gas chamber 35, the second air inlet and
Non-return air valve 5, and the Non-return air valve 5 of the Non-return air valve 5 of the first air inlet and the second air inlet are provided on second venthole
Setting direction on the contrary, the Non-return air valve 5 of the first venthole and 5 setting direction of Non-return air valve of the second venthole on the contrary, so that hold
Gas in bottle 2 of receiving can be entered by the first air inlet in upper chamber 34 and gas can be by the second venthole in lower chamber 35
Outflow, alternatively, accommodating, gas can be entered by the second air inlet in lower chamber 35 in bottle 2 and gas can lead in upper chamber 34
Cross the outflow of the first venthole.
First air inlet and the second air inlet are connected to receiving bottle 2.
As optional embodiment, pressure spring 36 is provided in upper chamber 34 and lower chamber 35, piston 33 is located at shell
31 middle part, pressure spring 36 are nature, and the piston 33 positioned at 31 middle part of shell moves and can change along the inner wall of shell 31
Become 36 state of pressure spring on its moving direction.
As optional embodiment, pressure spring 36 is provided in upper chamber 34 and lower chamber 35, piston 33 is located at shell
31 middle part, deformation occurs and deformation quantity is equal for two pressure springs 36, and the piston 33 positioned at 31 middle part of shell is along shell 31
Inner wall it is mobile when be equal by the power of pressure spring 36.Further, the both ends of shell 31 are provided with the pressure for accommodating pressure spring 36
Storehouse 37, one end connection pressure storehouse 37 of pressure spring 36, the other end connect with piston 33, when 36 nature of pressure spring, and presses storehouse 37 contour,
When guaranteeing that operator pushes asepwirator pump 3, it is equal on the reaction force any position that is subject to.
As optional embodiment, Non-return air valve 5 includes valve casing, the spring being set in valve casing and is set in valve casing
Elastic pearl, the inner wall of one end connection valve casing of spring, the other end connect with elastic pearl, offers respectively on the both ends of valve casing greatly
Mouth and osculum, osculum is tapered, and the radius of big mouth is greater than the radius of elastic pearl, the maximum diameter of the size matching osculum of elastic pearl
To the size in face, so that elastic pearl can seal osculum, elastic pearl is disposed in proximity to one end of osculum, from great Kou Chu into valve casing
Air-breathing can make elastic pearl to mobile far from osculum direction so that big mouth is connected to osculum, from osculum into valve casing air-breathing,
It can make elastic pearl blocking osculum, partition osculum is connected to big mouth.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of Manpower sputum aspirator, which is characterized in that including sputum aspirator tube (1), the receiving bottle (2) being connected to the sputum aspirator tube (1)
The asepwirator pump (3) being connected to with receiving bottle (2), the asepwirator pump (3) include shell (31), connecting rod (32) and matching setting
In the piston (33) in the shell (31), the connecting rod (32) passes through the shell (31) and connect with the piston (33), and
The connecting rod (32) is able to drive the piston (33) and moves back and forth along the inner surface axial of the shell (31), so that described
Outside in the sputum aspirator tube (1), extraneous sputum enters the sputum aspirator tube under air-flow drive to asepwirator pump (3) generation suction
(1) it flows into afterwards in the receiving bottle (2).
2. Manpower sputum aspirator according to claim 1, which is characterized in that the piston (33) is interior with the shell (31)
Wall abuts, and the shell (31) is separated into lower chamber (35) and closed upper chamber (34), is arranged on the upper chamber (34)
Have and is connected to the shell (31) inside and outside the first air inlet and the first venthole, first air inlet and described first
It is provided in venthole Non-return air valve (5), and the list of the Non-return air valve (5) of first air inlet and first venthole
To air valve (5) setting direction on the contrary, so that the interior gas of the receiving bottle (2) can be entered on described by first air inlet
Gas chamber (34), alternatively, the upper chamber (34) interior gas flows out the upper chamber (34) by first venthole.
3. Manpower sputum aspirator according to claim 2, which is characterized in that the top surface of the lower chamber (35) offers out
Mouthful, the connecting rod (32) passes through the opening, is tightly connected with the shell (31), and the lower chamber (35) is closed, it is described
It is provided on the side wall of lower chamber (35) and is connected to the shell (31) inside and outside the second air inlet and the second venthole, institute
It states and is provided with Non-return air valve (5) on the second air inlet and second venthole, and the Non-return air valve of first air inlet
(5) and Non-return air valve (5) setting direction of second air inlet is on the contrary, the Non-return air valve (5) of first venthole and institute
Non-return air valve (5) setting direction of the second venthole is stated on the contrary, so that the interior gas of the receiving bottle (2) can be by described first
Air inlet enters in the upper chamber (34) and the interior gas of the lower chamber (35) can be flowed out by second venthole, or
Person, the interior gas of the receiving bottle (2) can be entered by second air inlet in the lower chamber (35) and the upper chamber
(34) interior gas can be flowed out by first venthole.
4. Manpower sputum aspirator according to claim 3, which is characterized in that the upper chamber (34) and the lower chamber (35)
It is inside provided with pressure spring (36), the piston (33) is located at the middle part of the shell (31), and the pressure spring (36) is nature shape
State, its movement can be changed along the inner wall movement of the shell (31) by being located at the piston (33) in the middle part of the shell (31)
The pressure spring (36) state on direction.
5. Manpower sputum aspirator according to claim 3, which is characterized in that the upper chamber (34) and the lower chamber (35)
It is inside provided with pressure spring (36), the piston (33) is located at the middle part of the shell (31), and two pressure springs (36) occur
Deformation and deformation quantity is equal is located at the piston (33) in the middle part of the shell (31) and moves along the inner wall of the shell (31)
Power when dynamic by the pressure spring (36) is equal.
6. Manpower sputum aspirator according to claim 5, which is characterized in that the both ends of the shell (31) are provided with receiving
The one end in the pressure storehouse (37) of the pressure spring (36), the pressure spring (36) connects the pressure storehouse (37), the other end and the piston
(33) it connects, it is contour with the pressure storehouse (37) when pressure spring (36) nature.
7. Manpower sputum aspirator according to claim 1, which is characterized in that it further include handle, one end of the connecting rod (32)
The handle is connected, the other end of the connecting rod (32) connects the piston (33).
8. Manpower sputum aspirator according to claim 1, which is characterized in that the side wall for accommodating bottle (2) is offered into phlegm
Mouthful, it is offered gas outlet (21) on the top surface for accommodating bottle (2), the sputum aspirator tube (1) is set in the phlegm inlet, with institute
It states and accommodates bottle (2) threaded connection, the gas outlet (21) is connected to the asepwirator pump (3) by connecting leg.
9. Manpower sputum aspirator according to claim 8, which is characterized in that one end of the connecting leg and the gas outlet (21)
It is threadedly coupled, the other end of the connecting leg is detachably connected with the asepwirator pump (3).
10. Manpower sputum aspirator according to claim 9, which is characterized in that the gas outlet (21) opens up direction inclination
In the top surface for accommodating bottle (2), so that the connecting leg is set on the gas outlet (21), with the top for accommodating bottle (2)
Face tilts, and the side for accommodating bottle (2) is provided with resistance phlegm piece (4) in the connecting leg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910094474.XA CN109847117A (en) | 2019-01-31 | 2019-01-31 | A manual suction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910094474.XA CN109847117A (en) | 2019-01-31 | 2019-01-31 | A manual suction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109847117A true CN109847117A (en) | 2019-06-07 |
Family
ID=66896956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910094474.XA Pending CN109847117A (en) | 2019-01-31 | 2019-01-31 | A manual suction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109847117A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114425108A (en) * | 2022-02-15 | 2022-05-03 | 中国人民解放军总医院第八医学中心 | A sputum suction device suitable for field conditions |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203436607U (en) * | 2013-09-16 | 2014-02-19 | 于晓芳 | Manual sputum aspirator |
| CN203692269U (en) * | 2014-01-24 | 2014-07-09 | 山西省农业科学院棉花研究所 | Manual wind power insect sucking machine |
| CN205586282U (en) * | 2016-03-31 | 2016-09-21 | 王晓秋 | Sputum suction apparatus for pediatrics |
| CN109114270A (en) * | 2018-11-01 | 2019-01-01 | 交通运输部东海航海保障中心上海航标处 | A kind of isolated pressure breather valve |
| CN209770973U (en) * | 2019-01-31 | 2019-12-13 | 贵州省骨科医院 | Manual sputum aspirator |
-
2019
- 2019-01-31 CN CN201910094474.XA patent/CN109847117A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203436607U (en) * | 2013-09-16 | 2014-02-19 | 于晓芳 | Manual sputum aspirator |
| CN203692269U (en) * | 2014-01-24 | 2014-07-09 | 山西省农业科学院棉花研究所 | Manual wind power insect sucking machine |
| CN205586282U (en) * | 2016-03-31 | 2016-09-21 | 王晓秋 | Sputum suction apparatus for pediatrics |
| CN109114270A (en) * | 2018-11-01 | 2019-01-01 | 交通运输部东海航海保障中心上海航标处 | A kind of isolated pressure breather valve |
| CN209770973U (en) * | 2019-01-31 | 2019-12-13 | 贵州省骨科医院 | Manual sputum aspirator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114425108A (en) * | 2022-02-15 | 2022-05-03 | 中国人民解放军总医院第八医学中心 | A sputum suction device suitable for field conditions |
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Application publication date: 20190607 |