CN203107073U - Air and water injection device for endoscope - Google Patents
Air and water injection device for endoscope Download PDFInfo
- Publication number
- CN203107073U CN203107073U CN2013201575524U CN201320157552U CN203107073U CN 203107073 U CN203107073 U CN 203107073U CN 2013201575524 U CN2013201575524 U CN 2013201575524U CN 201320157552 U CN201320157552 U CN 201320157552U CN 203107073 U CN203107073 U CN 203107073U
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- valve
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- valve rod
- endoscope
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Abstract
The utility model discloses an air and water injection device for an endoscope, and relates to corollary equipment for endoscope examination. The air and water injection device for the endoscope comprises an air pump, a three-way tube, a liquid storage bottle, a drainage tube, an air-and-water control valve and a one-way valve. A valve body of the air-and-water control valve is vertically cylindrical. An air inlet and an air outlet are formed in the middle of the side wall of the valve body. A water inlet and a water outlet are formed in the bottom of the valve body. A valve rod penetrates through the upper side wall of the valve body, and extends to the inside of the valve body. A central blind hole which penetrates through the upper end face is formed in the valve rod. A ring-shaped upper valve plug is arranged in the middle of the valve rod. A ring-shaped lower valve plug is arranged at the lower end of the valve rod. A through hole which is communicated with the central blind hole is formed in the side wall between the upper valve plug and the lower valve plug of the valve rod. An outer flange is arranged at the upper end of the valve rod to form a button. A spring is sleeved on the upper portion of the valve rod, and is arranged between the outer flange of the upper end of the valve rod and the upper end face of the upper side wall of the valve body. The air outlet is communicated with an air inlet of the endoscope. The water outlet is communicated with a water inlet of the endoscope through the one-way valve. The air and water injection device for the endoscope is convenient for a doctor to carry out water injection operation.
Description
Technical field
This utility model relates to the corollary equipment that a kind of splanchnoscopy is used.
Background technology
Need in patient's digester tube, inject air by endoscope during splanchnoscopy in the past, and when needs clean the minute surface of endoscope, inject a spot of clear water to endoscope, thereby the structure of the employed gas injection water filling device of cooperation splanchnoscopy, as depicted in figs. 1 and 2, it has air pump 1, tee T 2, reservoir 3, drainage tube 4, air water control valve 5 and check valve 6.Clear water and airtight by bottle cap is housed in the reservoir 3.The air vent of air pump 1 is communicated with the entrance point 21 of tee T 2, and the primary outlet end 22 of tee T 2 is fixed on the bottle cap of reservoir 3 and stretches in the reservoir 3, and second port of export 23 of tee T 2 is communicated with the air inlet 53 of air water control valves 5.The middle part of drainage tube 4 is fixed on the bottle cap of reservoir 3, and the bottom in the reservoir 3 is stretched in the lower end 41 of drainage tube 4, and the upper end 42 of drainage tube 4 is communicated with the water inlet 52 of air water control valve 5.The air vent 56 of air water control valve 5 is communicated with the air inlet of endoscope through check valve 6.The discharge outlet 54 of air water control valve 5 is communicated with the water inlet of endoscope.The valve body of air water control valve 5 is the barrel-shaped of setting, and the middle part of body wall arranges water inlet 52 and discharge outlet 54 respectively, and the bottom of body wall arranges air inlet 53 and air vent 56 respectively.The upper end that valve rod 51 passes valve body is stretched in the valve body.Valve rod 51 is provided with the centre bore 511 that connects the upper and lower end face, and the middle part of valve rod 51 is provided with valve plug 512 on the ring-type of evagination, and the lower end of valve rod 51 is provided with valve plug 513 under the ring-type of evagination.The upper end of valve rod 51 is provided with outward flange, forms button.A spring 59 is enclosed within the top of valve rod 51, and between the upper surface of the outward flange of valve rod 51 upper ends and valve body.
The control action of air water control valve 5 is: at ordinary times, please referring to Fig. 1, under the effect of spring 59, the last valve plug 512 on the valve rod 51 withstands the upper side wall of valve body, following valve plug 513 shutoff discharge outlet 54.Behind the booster air pump 1, external gas enters the space 58 between the valve plug 513 and valve body lower wall under air water control valve 5 valve body lower portion through second port of export, 23 gentle water control valve 5 air inlets 53 of tee T 2, and the gas that this moment, air pump 1 was carried can outwards discharge through the centre bore 511 of air water control valve 5 valve rods 51; If the doctor, namely stops up the upper end of valve rod 51 centre bores 511 with the calm the anger button of water control valve 5 of light finger, the gas that air pump 1 is carried can back down the air inlet that check valve 6 enters endoscope.If the doctor uses the button of finger weight air water control valve 5, please referring to Fig. 2, the valve rod 51 relative valve bodies of air water control valve 5 move down, spring 59 is compressed, following valve plug 513 on the valve rod 51 withstands the lower wall of valve body, following valve plug 513 shutoff air inlets 52, last valve plug 512 is positioned at water inlet 52 and discharge outlet 54 tops.Air pump 1 consistent opening in the clinical position, continuous firing.The external gas that air pump 1 is carried enters reservoir 3 through the primary outlet end 22 of tee T 2, clear water in the compressing reservoir 3 enters the valve body middle part through the water inlet 52 of drainage tube 4 gentle water control valves 5 and goes up space 57 between valve plug 512 and the following valve plug 513, and enters the water inlet of endoscope through discharge outlet 54.
Along with the progress of endoscopic technique, in the inspection of ultrasonic endoscopic or water filling colonoscope, treatment, often will be through endoscope to a large amount of liquid of digestive tract chamber injection, rather than air.Continue to use said apparatus, clinical in as want water filling, doctor then need exert oneself to press for a long time button of air water control valve 5, do very inconvenient clinically like this.Therefore, ultrasonic endoscopic or water filling colonoscopy at present needs the extra water injecting pump that increases, the doctor is with the Push And Release of this water injecting pump of foot control system during water filling, with the biopsy duct of clear water through endoscope, or send the endoscope water filling duct of water function through having pair, inject patient's gastrovascular cavity.This water flooding regime has increased the difficulty to requirement and doctor's operation of endoscopic apparatus.
The utility model content
This utility model aims to provide the endoscope-use gas injection water filling device that a kind of doctor of being convenient to carries out water flood operations.
The technical solution of the utility model is: a kind of endoscope-use gas injection water filling device has air pump, tee T, reservoir, drainage tube, air water control valve and check valve; Clear water and airtight by bottle cap is housed in the reservoir; The air vent of air pump is communicated with the entrance point of tee T, and the primary outlet end of tee T is fixed on the bottle cap of reservoir and stretches in the reservoir, and second port of export of tee T is communicated with the air inlet of air water control valve; The middle part of drainage tube is fixed on the bottle cap of reservoir, and the bottom in the reservoir is stretched in the lower end of drainage tube, and the upper end of drainage tube is communicated with the water inlet of air water control valve; The valve body of air water control valve is the barrel-shaped of setting, and the middle part of body wall arranges air inlet and air vent respectively, and the bottom of body wall arranges water inlet and discharge outlet respectively; The upper side wall that valve rod passes valve body stretches in the valve body; Valve rod is provided with the central blind hole that connects the upper surface, and the middle part of valve rod is provided with valve plug on the ring-type of evagination, and the lower end of valve rod is provided with valve plug under the ring-type of evagination, has the via hole that is communicated with central blind hole on the sidewall between the last valve plug of valve rod and the following valve plug; The upper end of valve rod is provided with outward flange, forms button; A spring housing is on the top of valve rod, and between the upper surface of the outward flange of valve rod upper end and valve body upper side wall; The air vent of air water control valve is communicated with the air inlet of endoscope, and the discharge outlet of air water control valve is communicated with the water inlet of endoscope through check valve.
This utility model endoscope-use gas injection water filling device, on the basis of existing technology, only (bottom in blocked center hole makes it to become blind hole to the local structure that has changed valve rod, tube wall between last valve plug and following valve plug is offered via hole), and the effect of each through hole on the body wall redefined (air inlet and water inlet are exchanged, air vent and water inlet are exchanged), and then the operation of adjustment button, just reached and be convenient to the goal of the invention that the doctor carries out water flood operations.This utility model both can be transformed with existing endoscope-use gas injection water filling device, also can be changed the line of production fast by manufacturer.This utility model does not have special requirement to endoscopic apparatus, need not doctor's pressing button during water filling, and the motility of gas injection and aerofluxus when having kept the gas injection operation.So it is low to the utlity model has fringe cost, the advantage that is easy to promote.
Description of drawings
Fig. 1 is the structural representation of existing endoscope-use gas injection water filling device at the gas injection state.
Fig. 2 is the structural representation of existing endoscope-use gas injection water filling device at the water filling state.
Fig. 3 is that embodiment of this utility model endoscope-use gas injection water filling device is at the structural representation of water filling state.
Fig. 4 is that Fig. 3 embodiment is at the structural representation of gas injection state.
The specific embodiment
Embodiment of this utility model endoscope-use gas injection water filling device is in the structure of water filling state, please referring to Fig. 3.This gas injection water filling device has air pump 10, tee T 20, reservoir 30, drainage tube 40, air water control valve 50 and check valve 60.
Clear water and airtight by bottle cap is housed in the reservoir 30.The air vent of air pump 10 is communicated with the entrance point 210 of tee T 20, and the primary outlet end 220 of tee T 20 is fixed on the bottle cap of reservoir 30 and stretches in the reservoir 30, and second port of export 230 of tee T 20 is communicated with the air inlet 530 of air water control valves 50.The middle part of drainage tube 40 is fixed on the bottle cap of reservoir 30, and the bottom in the reservoir 30 is stretched in the lower end 410 of drainage tube 40, and the upper end 420 of drainage tube 40 is communicated with the water inlet 520 of air water control valve 50.The air vent 560 of air water control valve 50 is communicated with the air inlet of endoscope.The discharge outlet 540 of air water control valve 50 is communicated with the water inlet of endoscope through check valve 60.
The valve body 500 of air water control valve 50 is the barrel-shaped of setting, and the middle part of valve body 500 sidewalls arranges air inlet 530 and air vent 560 respectively, and the bottom of valve body 500 sidewalls arranges water inlet 520 and discharge outlet 540 respectively.The upper side wall that valve rod 510 passes valve body 500 stretches in the valve body 500.Valve rod 510 is provided with the central blind hole 5110 that connects the upper surface, the middle part of valve rod 510 is provided with valve plug 5120 on the ring-type of evagination, the lower end of valve rod 510 is provided with valve plug 5130 under the ring-type of evagination, has one or more via holes 5140 that are communicated with central blind hole 5110 on the sidewall between the last valve plug 5120 of valve rod 510 and the following valve plug 5130.The upper end of valve rod 510 is provided with outward flange, forms button.A spring 590 is enclosed within the top of valve rod 510, and between the upper surface of the outward flange of valve rod 510 upper ends and valve body 500 upper side walls.
The control action of air water control valve 50 is: at ordinary times, under the effect of spring 590, the last valve plug 5120 on the valve rod 510 withstands the upper side wall of valve body 500, following valve plug 5130 shutoff air vents 560.Behind the booster air pump 10, external gas enters the space 570 between the valve plug 5130 and valve body upper side wall under air water control valve 500 valve body lower portion through second port of export, 230 gentle water control valve 500 air inlets 530 of tee T 20, and the gas that this moment, air pump 1 was carried can outwards discharge through the centre bore 5110 of air water control valve 50 valve rods 510; If the doctor is with the calm the anger button of water control valve 50 of light finger, namely stop up the upper end of valve rod 510 centre bores 5110, air pump 10 carries external gas to enter reservoir 30 through the primary outlet end 220 of tee T 20, clear water in the compressing reservoir 30 enters space 580 between valve body 500 bottoms and following valve plug 5130 and valve body 500 lower wall through the water inlet 530 of drainage tube 40 gentle water control valves 50, and through discharge outlet 540 roof pressure check valves 60, force check valve 60 to be opened, the clear water that enters space 580 enters the water inlet of endoscope through check valve 60, need not the button that the doctor firmly presses air water control valve 50.The doctor unclamps the finger of water control valve 50 buttons of gently calming the anger, and this moment, the gas of air pump 1 conveying can outwards discharge through the centre bore 5110 of air water control valve 50 valve rods 510, just can stop the water filling operation immediately.
If the doctor uses the button of finger weight air water control valve 50, please referring to Fig. 4, the valve rod 510 relative valve bodies 500 of air water control valve 50 move down, spring 590 is compressed, following valve plug 5130 on the valve rod 510 withstands the lower wall of valve body 500, following valve plug 5130 shutoff air inlets 520, last valve plug 5120 is positioned at air inlet 530 and air vent 560 tops.Booster air pump 10 then, external gas enters the space 570 between the valve plug 5120 and following valve plug 5130 on air water control valve 50 valve bodies 500 middle parts through second port of export, 230 gentle water control valve 50 air inlets 530 of tee T 20, this moment, finger stopped up the upper end of valve rod 510 central blind holes 5110, and the gas that air pump 10 is carried can enter the air inlet of endoscope through air vent 560.If the doctor uses the button of finger weight air water control valve 50, but the upper end of valve rod 510 central blind holes 5110 is communicated with extraneous the maintenance, the gas that air pump 10 is carried can outwards discharge through the space 570 of air water control valve 5 and the central blind hole 5110 of valve rod 510.The doctor unclamps weight at the finger of air water control valve 50 buttons, and spring 590 is upwards elected valve rod 510, and this moment, the gas of air pump 1 conveying can outwards discharge through the centre bore 5110 of air water control valve 50 valve rods 510, just can stop the gas injection operation immediately.
The above only is this utility model preferred embodiment, does not limit the scope that this utility model is implemented with this, and the equivalence of doing according to the technical solution of the utility model and description changes and modification, all should belong to the scope that this utility model is contained.
Claims (1)
1. an endoscope-use gas injection water filling device has air pump, tee T, reservoir, drainage tube, air water control valve and check valve; Clear water and airtight by bottle cap is housed in the reservoir; The air vent of air pump is communicated with the entrance point of tee T, and the primary outlet end of tee T is fixed on the bottle cap of reservoir and stretches in the reservoir, and second port of export of tee T is communicated with the air inlet of air water control valve; The middle part of drainage tube is fixed on the bottle cap of reservoir, and the bottom in the reservoir is stretched in the lower end of drainage tube, and the upper end of drainage tube is communicated with the water inlet of air water control valve; It is characterized in that: the valve body of air water control valve is the barrel-shaped of setting, and the middle part of body wall arranges air inlet and air vent respectively, and the bottom of body wall arranges water inlet and discharge outlet respectively; The upper side wall that valve rod passes valve body stretches in the valve body; Valve rod is provided with the central blind hole that connects the upper surface, and the middle part of valve rod is provided with valve plug on the ring-type of evagination, and the lower end of valve rod is provided with valve plug under the ring-type of evagination, has the via hole that is communicated with central blind hole on the sidewall between the last valve plug of valve rod and the following valve plug; The upper end of valve rod is provided with outward flange, forms button; A spring housing is on the top of valve rod, and between the upper surface of the outward flange of valve rod upper end and valve body upper side wall; The air vent of air water control valve is communicated with the air inlet of endoscope, and the discharge outlet of air water control valve is communicated with the water inlet of endoscope through check valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201575524U CN203107073U (en) | 2013-04-01 | 2013-04-01 | Air and water injection device for endoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201575524U CN203107073U (en) | 2013-04-01 | 2013-04-01 | Air and water injection device for endoscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203107073U true CN203107073U (en) | 2013-08-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013201575524U Expired - Fee Related CN203107073U (en) | 2013-04-01 | 2013-04-01 | Air and water injection device for endoscope |
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| Country | Link |
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| CN (1) | CN203107073U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108478172A (en) * | 2018-03-30 | 2018-09-04 | 重庆金山医疗器械有限公司 | The aqueous vapor adapter assembly of fujinon electronic video endoscope |
| CN109078933A (en) * | 2017-06-13 | 2018-12-25 | 江苏健裕健康医疗器械有限公司 | A kind of endoscope cleaning device |
| 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 |
| CN115120167A (en) * | 2022-08-31 | 2022-09-30 | 苏州科沁微视医疗器械有限公司 | Medical endoscope |
-
2013
- 2013-04-01 CN CN2013201575524U patent/CN203107073U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109078933A (en) * | 2017-06-13 | 2018-12-25 | 江苏健裕健康医疗器械有限公司 | A kind of endoscope cleaning device |
| CN108478172A (en) * | 2018-03-30 | 2018-09-04 | 重庆金山医疗器械有限公司 | The aqueous vapor adapter assembly of fujinon electronic video endoscope |
| 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 |
| CN115120167A (en) * | 2022-08-31 | 2022-09-30 | 苏州科沁微视医疗器械有限公司 | Medical endoscope |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130807 Termination date: 20190401 |