CN110495849A - The aqueous vapor transportation system of endoscope - Google Patents
The aqueous vapor transportation system of endoscope Download PDFInfo
- Publication number
- CN110495849A CN110495849A CN201810481511.8A CN201810481511A CN110495849A CN 110495849 A CN110495849 A CN 110495849A CN 201810481511 A CN201810481511 A CN 201810481511A CN 110495849 A CN110495849 A CN 110495849A
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- China
- Prior art keywords
- air
- aqueous vapor
- carbon dioxide
- gas
- way magnetic
- 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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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 120
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 58
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 58
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 238000001514 detection method Methods 0.000 claims abstract description 24
- 210000000621 bronchi Anatomy 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 6
- 238000003780 insertion Methods 0.000 claims abstract description 4
- 230000037431 insertion Effects 0.000 claims abstract description 4
- 238000011846 endoscopic investigation Methods 0.000 abstract description 2
- 229960004424 carbon dioxide Drugs 0.000 description 54
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 6
- 229910002090 carbon oxide Inorganic materials 0.000 description 4
- 239000012153 distilled water Substances 0.000 description 4
- 238000001356 surgical procedure Methods 0.000 description 4
- 241000790917 Dioxys <bee> Species 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000004408 titanium dioxide Substances 0.000 description 3
- 238000005336 cracking Methods 0.000 description 2
- 206010016766 flatulence Diseases 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- GCNLQHANGFOQKY-UHFFFAOYSA-N [C+4].[O-2].[O-2].[Ti+4] Chemical compound [C+4].[O-2].[O-2].[Ti+4] GCNLQHANGFOQKY-UHFFFAOYSA-N 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/012—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor characterised by internal passages or accessories therefor
- A61B1/015—Control of fluid supply or evacuation
Abstract
The present invention provides a kind of aqueous vapor transportation systems of endoscope, belong to endoscopic technique field.It solves the problems, such as that the plenum system of existing endoscope needs artificial switching.It includes aqueous vapor bottle, one end merges into the main tracheae and water pipe of water air pipe, below the liquid level of the other end insertion endoscope aqueous vapor bottle of water pipe, branch is connected with bronchus on main tracheae, the bronchial other end is connected to aqueous vapor bottle, the other end of main tracheae is connect with air hose and connecting tube threeway, the other end of air hose is connected with air pump, the other end of connecting tube is connected with three-way magnetic valve, the air inlet of three-way magnetic valve is connected with carbon dioxide pump, it further includes the control module for controlling three-way magnetic valve on-off and the detection unit for detecting carbon dioxide pump working condition, detection unit is connect with control module, air pump is connect with control module.Present invention effectively prevents carbon dioxide to mix with air use, while can intelligently switch, and effectively reduces the workload of user.
Description
Technical field
The invention belongs to endoscopic technique fields, are related to a kind of aqueous vapor transportation system of endoscope, especially air and two
The aqueous vapor transportation system that carbonoxide can intelligently switch.
Background technique
Fujinon electronic video endoscope cold light source device also provides other than providing light source for endoscope and supplies gas and send water function.Due to
The flatulence phenomenon using endoscope patient is effectively reduced in carbon dioxide gas physical efficiency, and many conditional hospitals all use dioxy at present
Change carbon as gas source, air pump is only used as alternative scheme to use.Carbon dioxide air source is connected in mirror body at present, is often suffered from for one
Person finishes an operation and just needs the tracheae of carbon dioxide increasing the workload of doctor from new plug, while in mirror body
Carbon dioxide air source pipeline is set, the complexity of mirror body is increased, and increases mirror body disinfection difficulty.
For this purpose, Chinese patent discloses a kind of plenum system [Authorization Notice No. CN102334973B] of endoscope, In
Using the dual systems such as air pump and CO 2 high pressure storage cylinder gas supply source when swimmingly automatically switch gas；It is filled in light source
It sets and is equipped with illuminator and air pump；It is empty that pressurization is supplied by the pump driving circuit rotation driving air pump with rotation speed control section
Gas；Unit is adjusted by gas supply flow rate and supplies carbon dioxide to endoscope, carries out having used supplying gas and sending for carbon dioxide
Water；The surplus for detecting the carbon dioxide of CO 2 high pressure storage cylinder, when the detection pressure P1 of carbon dioxide is less than certain value
When PS1, air pump is made to rotate and supply forced air；Control the revolving speed of air pump, identical supply amount when supplying with carbon dioxide
To supply forced air.
In above-mentioned plenum system, supplied gas first using CO 2 high pressure storage cylinder, when CO 2 high pressure storage cylinder
When interior pressure is less than certain value, air pump is just started to work, and to guarantee going on smoothly for operation, is first connect by carbon dioxide and human body
Touching, when carbon dioxide deficiency by air and human contact, the comfort level of human body can be reduced, and flatulence phenomenon easily occur；And
There is also the risk that carbon dioxide and air mix, mixed gas greatly affected the effect of operation and treatment.
Summary of the invention
The purpose of the present invention is there is the above problem in view of the prior art, proposes a kind of air and carbon dioxide can intelligence
The aqueous vapor transportation system for the endoscope that can switch.
Object of the invention can be realized by the following technical scheme:
The aqueous vapor transportation system of endoscope merges into the main tracheae and water pipe of water air pipe including aqueous vapor bottle, one end, water pipe
The liquid level of other end insertion endoscope aqueous vapor bottle hereinafter, branch is connected with bronchus on the main tracheae, the bronchial other end with
The connection of aqueous vapor bottle, the other end of the main tracheae are connect with air hose and connecting tube threeway, the other end connection of the air hose
There is air pump, the other end of the connecting tube is connected with three-way magnetic valve, and the air inlet of the three-way magnetic valve is connected with dioxy
Change carbon pump, which is characterized in that transportation system further includes control module for controlling three-way magnetic valve on-off and for detecting two
The detection unit of carbonoxide pump work state, the detection unit are connect with control module, the air pump and control mould
Block connection.
Endoscope includes light source equipment, light guide section, operation portion and cephalic par, wherein air hose, connecting tube, air pump and three
Three-way electromagnetic valve is set in light source equipment, the main tracheae being connect with air hose and connecting tube threeway from light source equipment draw and successively
Enter end to the end after light guide section and operation portion, one end of main tracheae and water pipe merges into water air pipe in cephalic par, props up
Tracheae connects in light guide section with main rami tracheales, and water pipe enters in cephalic par after passing through light guide section, operation portion.Control module can be set
It sets in light source equipment, control module (CPU) containing central processing unit, can control the start and stop of the on-off, air pump of three-way magnetic valve
Deng, can also receive by detection unit feed back data.There is air inlet, gas outlet and leakage port, connection on three-way magnetic valve
Pipe is connect with gas outlet.Gas outlet is closed when three-way magnetic valve is in off-position, and air inlet is connected to leakage port；Energized state
Lower leakage port is closed, and air inlet is connected to gas outlet.
Aqueous vapor button is set on operation portion, conveying gas may be selected or distilled water enters patient's body, need defeated
Supply gas body when, main tracheae is in the conductive state, and gas can be directly entered patient's body by main tracheae；When needing to convey distilled water,
Main tracheae is in closed or off, and gas enters in aqueous vapor bottle through bronchus, and the water in aqueous vapor bottle is pressed into water pipe
It is interior, finally enter patient's body.
When light source equipment just starts, equipment default does not provide gas to mirror body, and such situation control module closes air pump,
Three-way magnetic valve is in off-position, and gas does not enter light guide section and patient's body.After the completion of equipment self-inspection, all portions of equipment
Part is normal, and detection unit detects that carbon dioxide pump does not work, at this time control module open air pump, air enter light guide section and
Patient's body；When detection unit detects carbon dioxide pump work, control module closes air pump, and cutting air imports patient's body
Interior, control module controls three-way magnetic valve and is powered, and carbon dioxide enters light guide section and patient's body through three-way magnetic valve.
Carbon dioxide is provided by carbon dioxide pump, guarantees that carbon dioxide can be sufficiently fed, is not in carbon dioxide deficiency
The case where.It determines the supply of operation gas source by control module before the start of the surgery, therefore is not in air and carbon dioxide
Mixed situation；Even if control module closes air pump during surgery, after detecting that carbon dioxide gas is sent into, switch to two
Carbonoxide gas supply.
The connecting pin of bronchus and aqueous vapor bottle should be located in aqueous vapor bottle more than liquid level, after gas enters from bronchus, no
Bubble can be generated, it is mute to achieve the purpose that.
In the aqueous vapor transportation system of above-mentioned endoscope, it is equipped in the air hose for limiting gas to air pump
The check valve one of direction circulation, the connecting tube is interior to be equipped with the check valve to circulate for limiting gas to three-way magnetic valve direction
Two.Check valve one can prevent carbon dioxide from flowing to air pump, and check valve two can prevent air from flowing to three-way magnetic valve, to guarantee
The stabilization of air pressure.
In the aqueous vapor transportation system of above-mentioned endoscope, the carbon dioxide pump passes through gas-guide tube and three-way magnetic valve
Air inlet connection, the detection unit be set to gas-guide tube on.
In the aqueous vapor transportation system of above-mentioned endoscope, the detection unit is for detecting titanium dioxide in gas-guide tube
The pressure sensor of carbon pressure power.Pressure sensor is connect with control module, and the pressure value of gas-guide tube is directly read by control module,
When pressure sensor detects that the pressure in gas-guide tube is equal to the cracking pressure threshold value of check valve two, pressure sensor is by signal
Control module is passed to, control module closes air pump at this time, while three-way magnetic valve being made to be powered, and carbon dioxide is made to be powered through three
Magnet valve enters in connecting tube.
In the aqueous vapor transportation system of above-mentioned endoscope, the detection unit is for detecting titanium dioxide in gas-guide tube
The flow sensor of carbon flow.When flow sensor detects that the flow in gas-guide tube is greater than or equal to certain value, illustrate two
Carbonoxide pump has been started up, and control module closes air pump at this time, while three-way magnetic valve being made to be powered, and makes carbon dioxide through threeway
Solenoid valve enters in connecting tube.
In the aqueous vapor transportation system of above-mentioned endoscope, the air hose is equipped with air-flow adjustable valve, described
Air-flow adjustable valve is between check valve one and air pump.
Compared with prior art, the aqueous vapor transportation system of this endoscope has the advantage that
Realize efficiently separating for carbon dioxide and air, it is therefore prevented that the mixing of gas causes after avoiding gas mixing
The risk of people digest road perforation；Due to be provided with control module, can intelligent measurement carbon dioxide gas, do not need artificially to cut
It changes, reduces the workload of user；Using carbon dioxide pump as carbon dioxide air source, guarantee that carbon dioxide can be supplied sufficiently
It gives, is not in the situation of carbon dioxide deficiency.
Detailed description of the invention
Fig. 1 is the system block diagram of embodiment one provided by the invention.
Fig. 2 is the structural schematic diagram of embodiment one provided by the invention.
Fig. 3 is gas flow figure when only providing air in embodiment one.
Fig. 4 is gas flow figure when only providing carbon dioxide in embodiment one.
Fig. 5 is the structural schematic diagram of the air-flow adjustable valve provided in embodiment one.
In figure, 1, aqueous vapor bottle；2, water air pipe；3, main tracheae；4, water pipe；5, bronchus；6, air hose；7, connecting tube；8,
Air pump；9, three-way magnetic valve；91, air inlet；92, gas outlet；93, leakage port；10, carbon dioxide pump；11, check valve one；
12, check valve two；13, gas-guide tube；14, pressure sensor；15, air-flow adjustable valve；A, light source equipment；B, light guide section；C, it grasps
Make portion；D, cephalic par；E, aqueous vapor button.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
Embodiment one
The aqueous vapor transportation system of endoscope as shown in Figure 2 merges into the main tracheae of water air pipe 2 including aqueous vapor bottle 1, one end
3 and water pipe 4, the liquid level of the other end insertion endoscope aqueous vapor bottle 1 of water pipe 4 is hereinafter, branch is connected with bronchus 5, branch gas on main tracheae 3
The other end of pipe 5 is connected to aqueous vapor bottle 1, and the other end of main tracheae 3 is connect with air hose 6 and 7 threeway of connecting tube, air hose 6
The other end is connected with air pump 8, and the other end of connecting tube 7 is connected with three-way magnetic valve 9, and the air inlet 91 of three-way magnetic valve 9 connects
It is connected to carbon dioxide pump 10.As shown in Fig. 2, transportation system further include for control the control module of 9 on-off of three-way magnetic valve and
For detecting the detection unit of 10 working condition of carbon dioxide pump, detection unit is connect with control module, air pump 8 and control mould
Block connection.
Specifically, as shown in Fig. 2, endoscope includes light source equipment a, light guide section b, operation portion c and cephalic par d, it is hollow
Tracheae 6, connecting tube 7, air pump 8 and three-way magnetic valve 9 are set in light source equipment a, are led to air hose 6 and connecting tube 7 three
The main tracheae 3 connect enters end d to the end, main 3 He of tracheae after drawing and sequentially passing through light guide section b and operation portion c from light source equipment a
One end of water pipe 4 merges into water air pipe 2 in cephalic par d, and with 3 companies of main tracheae in light guide section b, water pipe 4 passes through bronchus 5
Enter in cephalic par d after light guide section b, operation portion c.Control module can be arranged in light source equipment a, control module contains centre
It manages device (CPU), can control on-off, the start and stop of air pump 8 etc. of three-way magnetic valve 9, can also receive by detection unit feedback
Data.There is air inlet 91, gas outlet 92 and leakage port 93, connecting tube 7 is connect with gas outlet 92 on three-way magnetic valve 9.Threeway
Gas outlet 92 is closed when solenoid valve 9 is in off-position, and air inlet 91 is connected to leakage port 93；Leakage port 93 closes under energized state
It closes, air inlet 91 is connected to gas outlet 92.
Aqueous vapor button e is set on operation portion c, conveying gas may be selected or distilled water enters patient's body, need
When conveying gas, main tracheae 3 is in the conductive state, and gas can be directly entered patient's body by main tracheae 3；It needs to convey distilled water
When, main tracheae 3 is in closed or off, and gas enters in aqueous vapor bottle 1 through bronchus 5, and the hydraulic pressure in aqueous vapor bottle 1 is entered
Into water pipe 4, patient's body is finally entered.
As shown in Fig. 2, equipment default does not provide gas, such situation control module to mirror body when light source equipment a just starts
Air pump 8 is closed, three-way magnetic valve 9 is in off-position, and gas does not enter light guide section b and patient's body.When equipment self-inspection is complete
Cheng Hou, all components of equipment are normal, and detection unit detects that carbon dioxide pump 10 does not work, and control module opens air pump at this time
8, as shown in figure 3, air enters light guide section b and patient's body.When detection unit detects that carbon dioxide pump 10 works, mould is controlled
Block closes air pump 8, and cutting air imports patient's body, and control module controls three-way magnetic valve 9 and is powered, as shown in figure 4, dioxy
Change carbon and enters light guide section b and patient's body through three-way magnetic valve 9.
By carbon dioxide pump 10 provide carbon dioxide, guarantee carbon dioxide can be sufficiently fed, be not in carbon dioxide not
The situation of foot.It determines the supply of operation gas source by control module before the start of the surgery, therefore is not in air and titanium dioxide
The mixed situation of carbon.Even if control module closes air pump 8 during surgery, after detecting that carbon dioxide gas is sent into, switch to
Carbon dioxide gas supply.
In the present embodiment, as shown in Fig. 2, the connecting pin of bronchus 5 and aqueous vapor bottle 1 should be located in aqueous vapor bottle 1 more than liquid level,
After gas enters from bronchus 5, bubble will not be generated, it is mute to achieve the purpose that.
As shown in Fig. 2, the check valve 1 to circulate for limiting gas to 8 direction of air pump is equipped in air hose 6, connection
The check valve 2 12 to circulate for limiting gas to 9 direction of three-way magnetic valve is equipped in pipe 7.Check valve 1 can prevent titanium dioxide
Carbon flow can prevent air from flowing to three-way magnetic valve 9 to air pump 8, check valve 2 12, to guarantee the stabilization of air pressure.
As shown in Fig. 2, carbon dioxide pump 10 is connected to by gas-guide tube 13 with the air inlet 91 of three-way magnetic valve 9, detection is single
Member is set on gas-guide tube 13.Wherein, detection unit is the pressure sensor 14 for detecting pressure carbon dioxide in gas-guide tube 13.
As shown in Figure 1, pressure sensor 14 is connect with control module, the pressure value of gas-guide tube 13 is directly read by control module, works as pressure
When force snesor 14 detects that the pressure in gas-guide tube 13 is equal to the cracking pressure threshold value of check valve 2 12, pressure sensor 14 will
Signal passes to control module, and control module closes air pump 8 at this time, while three-way magnetic valve 9 being made to be powered, and passes through carbon dioxide
Three-way magnetic valve 9 enters in connecting tube 7.
As shown in Fig. 2, air hose 6 be equipped with air-flow adjustable valve 15, air-flow adjustable valve 15 be located at check valve 1 and
Between air pump 8.Specifically, as shown in figure 5, air-flow adjustable valve 15 includes one 20 He of solenoid valve being connected on air hose 6
Solenoid valve 2 21, solenoid valve 1 and solenoid valve 2 21 are connected, and flow control valve one is equipped at the leakage port of solenoid valve 1
22, flow control valve 2 23 is equipped at the leakage port of solenoid valve 2 21, wherein solenoid valve 1 and solenoid valve 2 21 respectively with
Control module connection.
If being A into the charge flow rate in solenoid valve 1, the flow released from flow control valve 1 is S1, from flow
The flow that control valve 2 23 is released is S2, and the throughput that goes out of solenoid valve 2 21 is B, then B=A-S1-S2, charge flow rate A not
In the case where change, when the change of S1 or S2 can influence the size of throughput B out.
Embodiment two
The structural principle of the present embodiment is essentially identical with the structural principle of embodiment one, and different places is, detection is single
Member is the flow sensor for detecting carbon dioxide flow in gas-guide tube 13, when flow sensor detects in gas-guide tube 13
When flow is greater than or equal to certain value, illustrate that carbon dioxide pump 10 has been started up, control module closes air pump 8 at this time, simultaneously
So that three-way magnetic valve 9 is powered, enters carbon dioxide in connecting tube 7 through three-way magnetic valve 9.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (6)
1. a kind of aqueous vapor transportation system of endoscope, including aqueous vapor bottle (1), one end merge into water air pipe (2) main tracheae (3) and
Water pipe (4), the liquid level of other end insertion endoscope aqueous vapor bottle (1) of water pipe (4) is hereinafter, Zhi Lianyou on the main tracheae (3)
The other end of bronchus (5), bronchus (5) is connected to aqueous vapor bottle (1), the other end of the main tracheae (3) and air hose (6) and
Connecting tube (7) threeway connection, the other end of the air hose (6) are connected with air pump (8), the other end of the connecting tube (7)
It is connected with three-way magnetic valve (9), the air inlet (91) of the three-way magnetic valve (9) is connected with carbon dioxide pump (10), feature
It is, transportation system further includes control module for controlling three-way magnetic valve (9) on-off and for detecting carbon dioxide pump
(10) detection unit of working condition, the detection unit are connect with control module, the air pump (8) and control module
Connection.
2. the aqueous vapor transportation system of endoscope according to claim 1, which is characterized in that set in the air hose (6)
There is the check valve one (11) to circulate for limiting gas to air pump (8) direction, is equipped in the connecting tube (7) for limiting
The check valve two (12) that gas circulates to three-way magnetic valve (9) direction.
3. the aqueous vapor transportation system of endoscope according to claim 1, which is characterized in that the carbon dioxide pump (10)
It is connected to by gas-guide tube (13) with the air inlet (91) of three-way magnetic valve (9), the detection unit is set on gas-guide tube (13).
4. the aqueous vapor transportation system of endoscope according to claim 3, which is characterized in that the detection unit be for
Detect the pressure sensor (14) of gas-guide tube (13) interior pressure carbon dioxide.
5. the aqueous vapor transportation system of endoscope according to claim 3, which is characterized in that the detection unit be for
Detect the flow sensor of gas-guide tube (13) interior carbon dioxide flow.
6. the aqueous vapor transportation system of endoscope according to claim 2, which is characterized in that set on the air hose (6)
Have air-flow adjustable valve (15), the air-flow adjustable valve (15) is located between check valve one (11) and air pump (8).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810481511.8A CN110495849A (en) | 2018-05-18 | 2018-05-18 | The aqueous vapor transportation system of endoscope |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810481511.8A CN110495849A (en) | 2018-05-18 | 2018-05-18 | The aqueous vapor transportation system of endoscope |
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| CN110495848A (en) * | 2018-05-18 | 2019-11-26 | 重庆金山医疗器械有限公司 | Endoscope aqueous vapor feed system |
| CN113243880A (en) * | 2021-06-08 | 2021-08-13 | 岱川医疗(深圳)有限责任公司 | Endoscope air-water supply system and endoscope |
| CN113317749A (en) * | 2021-06-08 | 2021-08-31 | 岱川医疗(深圳)有限责任公司 | Air water bottle for endoscope system and endoscope system |
| CN113647892A (en) * | 2021-08-31 | 2021-11-16 | 广州市顺元医疗器械有限公司 | Water-gas conveying device for endoscope |
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| CN110495848A (en) * | 2018-05-18 | 2019-11-26 | 重庆金山医疗器械有限公司 | Endoscope aqueous vapor feed system |
| CN113243880A (en) * | 2021-06-08 | 2021-08-13 | 岱川医疗(深圳)有限责任公司 | Endoscope air-water supply system and endoscope |
| CN113317749A (en) * | 2021-06-08 | 2021-08-31 | 岱川医疗(深圳)有限责任公司 | Air water bottle for endoscope system and endoscope system |
| CN113647892A (en) * | 2021-08-31 | 2021-11-16 | 广州市顺元医疗器械有限公司 | Water-gas conveying device for endoscope |
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