CN103211566B - Endoscope with water injection and gas injection selecting button - Google Patents
Endoscope with water injection and gas injection selecting button Download PDFInfo
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- CN103211566B CN103211566B CN201310134089.6A CN201310134089A CN103211566B CN 103211566 B CN103211566 B CN 103211566B CN 201310134089 A CN201310134089 A CN 201310134089A CN 103211566 B CN103211566 B CN 103211566B
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Abstract
The invention relates to an endoscope with a water injection and gas injection selecting button. The endoscope comprises a control handle, a flexible inserting part, an end executor, an elastic covering piece, a carbon dioxide source and a water source, wherein the flexible inserting part is provided with a gas pipeline and a water flow pipeline, the control handle is provided with a gas passage and a water flow passage, the control handle is provided with the selecting button, the selecting button comprises a fixing sleeve and a valve core, and the valve core is provided with a gas joint, a gas sealing piece, a water flow joint and a water flow sealing piece; when the valve core is positioned in the first position, the gas passage is communicated with the gas joint; when the valve core is positioned in the second position, the gas passage is sealed by the gas sealing piece, and the water flow joint is communicated with the water flow passage; when the valve core is positioned in the third position, the gas passage is sealed by the gas sealing piece, and the water flow passage is sealed by the water flow sealing piece; the top of the valve core is provided with an extending section, a step is formed between the extending section and the valve core, the fixing sleeve is provided with a through hole, the through hole is in clearance fit with the extending section, and the triggering valve of the extending section is switched among three positions. The endoscope has the advantage that the external leakage of carbon dioxide is prevented.
Description
Technical field
The present invention relates to medical instruments field, particularly a kind of endoscope.
Background technology
As therapeutic medical endoscope, endoscope has insertion section, the main body operating unit continuous with described insertion section and the general flexible cord being connected with described main body operating unit in the body that inserts person under inspection.There is illuminating window, observation window and pliers outlet at the front end of insertion section.In use, insertion section is inserted in person under inspection's body cavity.Then, make illumination light from illuminating window to body cavity internal radiation, thus from observation window to observing in body cavity.In the time finding affected part etc., high frequency treatment grooming tool or pliers etc., through pliers passage, are exported to the pliers that stretches out etc. from pliers affected part is disposed thereby utilize.
Therefore, endoscopic system, except endoscope, also has light supply apparatus, processor and watch-dog.And, high intensity light source or VTR device, printer etc. can also be installed as required.Together with described various device and endoscope self, be arranged on carrier.Carrier has the multistage shelf for various device is set, and it is configured to movement freely.Endoscopic system can be moved into clinical scene by this carrier, thereby utilize endoscope to check and treat.
Illumination light from the light source of light supply apparatus is irradiated in body cavity from illuminating window via lightguide.In the position in the face of observation window, image unit is configured in front end inside, insertion section.Image unit from observation window to taking in body cavity.Picture signal from image unit sends to processor via general flexible cord.By processor, picture signal processed and shown and observe image at watch-dog.
In the time utilizing endoscope to check or treat, operator's control connection has the various device of endoscope.For example, in light supply apparatus, adjust light source light quantity, thereby make to be presented at the endoceliac image definition on watch-dog.
And, in the time using high frequency treatment grooming tool, suitably control voltage or the electric current of high frequency electric source, to carry out safe and efficient disposal.
Endoscope has liquid after pressurization and the supply passageway of gas.Fluid under pressure is used for: the dispersion of the cleaning of observation window, the cleaning of body cavity walls, medicinal liquid and make liquid at internal organs or the mobile perfusion of tissue etc.Removing etc. of the drop of the observation window of gas-pressurized for endoceliac expansion, after cleaning.As the pressurized source of described liquid and gas, for example, use air pump.In the time supplying with gas-pressurized, air pump is driven.And, the liquid pressing when for liquor charging, supply with forced air from air pump to liquor charging tank.Air pump is built in light supply apparatus conventionally.And liquor charging tank is arranged on light supply apparatus in removable mode.Not only can be by air pump being connected to/cut off the pressure and the changes in flow rate that make forced air, but also can make by controlling its rotating speed pressure and the changes in flow rate of forced air.
In recent years, substitute the air pressurized based on air pump and obtain practical application using carbon dioxide (CO2) as the situation of pressurized-gas source.Compared with air, carbon dioxide is more easily absorbed by organism, considers based on safety and the viewpoint such as burden that alleviates patient, preferably uses carbon dioxide.When taking carbon dioxide as pressurized-gas source, adopt the appliance for applying carbon dioxide that has utilized CO 2 high pressure gas bomb.
The feed path of liquids and gases is switched feed flow path and air feed path by switching button.Switch is provided with passage, and in the time that switch makes the conducting of feed flow path, air feed path is communicated with passage, and carbon dioxide is entered to the external world.In the time that switch makes the conducting of air feed path, feed flow path blockade.The shortcoming of this endoscope is: cannot closing carbon dioxide source of the gas, carbon dioxide directly enters in air, causes operating indoor carbon dioxide and gathers, will cause for a long time operator and person under inspection occur uncomfortable in chest, the untoward reaction such as suffocate.
Summary of the invention
The shortcoming that cannot avoid carbon dioxide to leak in order to overcome existing endoscope, the invention provides a kind of air feed path or the feed flow path that can optionally connect endoscope, and the endoscope with water filling gas injection selection button that can stop carbon dioxide to leak.
There is water filling gas injection and select the endoscope of button, be included in the joystick of near-end, be attached to the flexible insertion section of the far-end of joystick, be attached to the end effector of the far-end of flexible insertion section, be covered in the elastic covering on surface, flexible insertion section, and with supporting carbon dioxide air source and the water source of endoscope; In flexible insertion section, there is gas piping and water pipeline;
In joystick, be provided with the gas passage that is communicated with source of the gas and gas piping, and connect the water stream channel of water source and water pipeline;
It is characterized in that: on joystick, there is the selection button of selectively opening gas passage or water stream channel, select button comprise the fixed cover coordinating with joystick plug-in type and be socketed on movably the spool on fixed cover; Spool is provided with the gas interface of opening gas passage, the seals of confining gas passage, the current sealing member of the current interface of open water circulation road and sealing water stream channel; Spool is in the time of primary importance, and gas passage is communicated with gas interface; Spool is in the time of the second position, and seals confining gas passage simultaneously current interface is communicated with water stream channel; Spool is in the time of the 3rd position, and seals confining gas passage simultaneously current sealing member seals water stream channel;
Extension is arranged at spool top, between extension and spool, forms step, and fixed cover is provided with the through hole that allows extension to stretch out, this through hole and extension matched in clearance, and extension is triggered spool and is changed three positions.
Further, be fixed with alignment pin on extension, fixed cover is provided with the first stopper section and the second stopper section that stop alignment pin, and two stopper sections are the projection that exceeds fixed cover surface, and alignment pin can freely rotate between the first stopper section and the second stopper section.
When alignment pin is against the first stopper section and when step pushes against fixed cover, gas interface is opened gas passage, and spool is in primary importance; In the time that alignment pin pushes against fixed cover, seals confining gas passage, current interface open water circulation road simultaneously, spool is in the second position; When alignment pin is during in all the other positions, spool is in the 3rd position.
Further, fixed cover is provided with the fin to upper process, and fin is semicircular arc, and the two ends of fin are respectively as the first stopper section and the second stopper section.
Further, the top of extension is fixed with button cap, between button cap and alignment pin, is provided with spring.Spring is in the raw time, and step pushes against fixed cover.Spring is in the time of complete compressive state, and alignment pin pushes against fixed cover.
Further, spool is cylindrical, water stream channel is the cannelure being opened on spool wall, gas passage comprise be opened in spool first passage radially and be opened in poppet shaft to second channel, first passage and second channel are communicated with, between spool and joystick, form air cavity, gas piping is communicated with air cavity.
Further, seals comprises sealing gasket and the first sealing ring, and sealing gasket and gas interface are on same circumference, and the first sealing ring is positioned on first passage.
Further, spool is provided with the second sealing ring, the 3rd sealing ring and the 4th sealing ring, and the second sealing ring is positioned at current interface top, and the 3rd sealing ring is between current sealing member and the first sealing ring, and the 4th sealing ring is positioned at first passage below.Second, third, the 4th sealing ring plays the effect that prevents that fluid from leaking.
The advantage that the present invention has is: optionally open water circulation road or gas passage, in the time that gas passage is closed, carbon dioxide air source is also closed simultaneously, can avoid carbon dioxide to leak in air, and without changing existing endoscope structure, easy to use.
Brief description of the drawings
Fig. 1 is the cutaway view of selecting button.
Fig. 2 is the axonometric chart of selecting button.
Fig. 3 selects button to insert the schematic diagram in joystick.In Fig. 3, spool is in primary importance.
Fig. 4 is the schematic diagram of spool in the second position.
Fig. 5 is the schematic diagram of spool in the 3rd position.
Detailed description of the invention
There is water filling gas injection and select the endoscope of button, be included in the joystick of near-end, be attached to the flexible insertion section of the far-end of joystick, be attached to the end effector of the far-end of flexible insertion section, be covered in the elastic covering on surface, flexible insertion section, and with supporting carbon dioxide air source and the water source of endoscope; In flexible insertion section, there is gas piping and water pipeline;
In joystick, be provided with the gas passage A that is communicated with source of the gas and gas piping, and connect the water stream channel B of water source and water pipeline;
On joystick, there is the selection button 1 of selectively opening gas passage A or water stream channel B, select button 1 to comprise the fixed cover 11 coordinating with joystick plug-in type and be socketed on movably the spool 12 on fixed cover 11; Spool 12 is provided with the gas interface 121 of opening gas passage A, the seals of confining gas passage A, the current sealing member 3 of the current interface 122 of open water circulation road B and sealing water stream channel B; Spool 12 is in the time of primary importance, and gas passage A is communicated with gas interface; Spool 12 is in the time of the second position, and seals confining gas passage A simultaneously current interface 122 is communicated with water stream channel B; Spool 12 is in the time of the 3rd position, and seals confining gas passage A simultaneously current sealing member 3 seals water stream channel B; Current sealing member 3 is O RunddichtringO.Spool 12 is in the time of primary importance, and because gas interface is communicated with gas passage A, ambient atmos injects with the matching used gas injection bottle of endoscope and directly enters afterwards in gas passage A, can not produce the pressure of compressing current ingoing stream channel B in gas injection bottle.Spool 12 is in the time of primary importance, only to endoscope's air feed.Spool 12, in the time of the second position, must just can make gas in gas injection bottle, produce the pressure of compressing current ingoing stream channel B by confining gas passage A.Therefore, spool 12 is in the time of the second position, and gas passage A is closed, and water stream channel B is unlocked simultaneously.
Extension 13 is arranged at spool 12 tops, between extension 13 and spool 12, forms step 121, and fixed cover 11 is provided with the through hole that allows extension 13 to stretch out, this through hole and extension 13 matched in clearance, and extension 13 is triggered spool 12 and is changed three positions.
On extension 13, be fixed with alignment pin 2, fixed cover 11 is provided with the first stopper section 91 and the second stopper section 92 that stop alignment pin 2, two stopper sections are the projection that exceeds fixed cover 11 surfaces, and alignment pin 2 can freely rotate between the first stopper section 91 and the second stopper section 92.
Seals comprises sealing gasket 41 and the first sealing ring 42, and sealing gasket 41 and gas interface 121 are on same circumference.In the time that alignment pin 2 props up the second stopper section, sealing gasket 41 confining gas interfaces 121.
When alignment pin 2 is against the first stopper section 91 and when step 121 pushes against fixed cover 11, gas interface 121 is opened gas passage A, and spool 12 is in primary importance, as shown in Figure 3.In the time that alignment pin 2 pushes against fixed cover 11, seals confining gas passage A, current interface 122 open water circulation road B simultaneously, spool 12 is in the second position, as shown in Figure 4.When alignment pin 2 is against the second stopper section, and step 121 is while pushing against fixed cover 11, and current sealing member 3 seals water stream channel, sealing gasket 41 confining gas passages simultaneously, and spool 12 is in the 3rd position, as shown in Figure 5.Spool 12 is in the time of primary importance and the 3rd position, and due to gas passage, A is closed, and the interior generation of pipeline between gas passage and source of the gas is intrinsic pressure, stops source of the gas to continue to endoscope's air feed.
As follows with the coupling part structure of rotary knob on joystick, as shown in Figure 3, this coupling part comprises the sleeve pipe D coordinating with spool 12, sleeve pipe D is provided with gas passage and water stream channel, water stream channel comprises two water pipe B1, B2 being arranged on casing wall, article two, water stream channel is opened when water pipe and the para-position of current interface, water pipe during with the dislocation of current interface water stream channel seal.Gas channel comprises the first arm A1 being arranged on casing wall and the second arm A2 that is arranged at sleeve pipe D bottom, and the first arm A1 is vertical with the second arm A2, and the first passage of air-flow interface coordinates with the first arm A1, and the second arm A2 is communicated with air cavity C.In the time of the first arm A1 and first passage 1211 para-position, gas passage is opened; In the time that the first arm A1 and first passage 1211 misplace, gas passage sealing.
Fixed cover 11 is provided with the fin 9 to upper process, and fin 9 is semicircular arc, and the two ends of fin 9 are respectively as the first stopper section 91 and the second stopper section 92.
The top of extension 13 is fixed with button cap 14, between button cap 14 and alignment pin 2, is provided with spring 5.Spring 5 is in the raw time, and step 121 pushes against fixed cover 11.Spring 5 is in the time of complete compressive state, and alignment pin 2 pushes against fixed cover 11.
Spool 12 is cylindrical, water stream channel B is the cannelure being opened on spool 12 walls, gas passage A comprises and is opened in first passage radially of spool 12 1211 and is opened in the axial second channel of spool 12 1212, first passage 1211 and second channel 1212 are communicated with, between spool 12 and joystick, form air cavity C, gas piping is communicated with air cavity C; The first sealing ring 42 is positioned on first passage 1211.
Spool 12 is provided with the second sealing ring 6, the three sealing rings 7 and the 4th sealing ring 8, the second sealing rings 6 are positioned at current interface 122 tops, and the 3rd sealing ring 7 is between current sealing member and the first sealing ring 42, and the 4th sealing ring 8 is positioned at first passage 1211 belows.Second, third, the 4th sealing ring plays the effect that prevents that fluid from leaking.
The present invention is in the time of practical operation, if endoscope needs air feed, by alignment pin 2, against the first stopper section 91, in the raw, gas interface is communicated with gas passage A to spring 5, and gas is input in the gas piping of endoscope.Need to stop air feed time, rotate alignment pin 2 until push against the second stopper section 92, sealing gasket 41 confining gas interfaces, as shown in Figure 3.If endoscope needs to supply water, press the button cap 14, alignment pin 2 pushes against fixed cover, and now current interface is communicated with water stream channel B, the first sealing ring confining gas passage; Current are input in the water pipeline of endoscope.In order to strengthen the sealing of gas passage, need to supply water time, can also first alignment pin 2 be rotated to the second stopper section 92, then press the button cap 14.Sealing gasket can be assisted the first sealing ring 42 like this, plays the effect that strengthens sealing.
The advantage that the present invention has is: optionally open water circulation road B or gas passage A, in the time that gas passage A is closed, carbon dioxide air source is also closed simultaneously, can avoid carbon dioxide to leak in air, and without changing existing endoscope structure, easy to use.
Content described in this description embodiment is only enumerating of way of realization to inventive concept; protection scope of the present invention should not be regarded as only limiting to the concrete form that embodiment states, protection scope of the present invention also and conceive the equivalent technologies means that can expect according to the present invention in those skilled in the art.
Claims (6)
1. there is water filling gas injection and select the endoscope of button, be included in the joystick of near-end, be attached to the flexible insertion section of the far-end of joystick, be attached to the end effector of the far-end of flexible insertion section, be covered in the elastic covering on surface, flexible insertion section, and with supporting carbon dioxide air source and the water source of endoscope; In flexible insertion section, there is gas piping and water pipeline;
In joystick, be provided with the gas passage that is communicated with source of the gas and gas piping, and connect the water stream channel of water source and water pipeline;
It is characterized in that: on joystick, there is the selection button of selectively opening gas passage or water stream channel, select button comprise the fixed cover coordinating with joystick plug-in type and be socketed on movably the spool on fixed cover; Spool is provided with the gas interface of opening gas passage, the seals of confining gas passage, the current sealing member of the current interface of open water circulation road and sealing water stream channel; Spool is in the time of primary importance, and gas passage is communicated with gas interface; Spool is in the time of the second position, and seals confining gas passage simultaneously current interface is communicated with water stream channel; Spool is in the time of the 3rd position, and seals confining gas passage simultaneously current sealing member seals water stream channel; Extension is arranged at spool top, between extension and spool, forms step, and fixed cover is provided with the through hole that allows extension to stretch out, this through hole and extension matched in clearance, and extension is triggered spool and is changed three positions;
On extension, be fixed with alignment pin, fixed cover is provided with the first stopper section and the second stopper section that stop alignment pin, and two stopper sections are the projection that exceeds fixed cover surface, and alignment pin can freely rotate between the first stopper section and the second stopper section.
2. the endoscope with water filling gas injection selection button as described in claim 1, is characterized in that: fixed cover is provided with the fin to upper process, and fin is semicircular arc, and the two ends of fin are respectively as the first stopper section and the second stopper section.
3. the endoscope with water filling gas injection selection button as claimed in claim 1 or 2, is characterized in that: the top of extension is fixed with button cap, between button cap and alignment pin, is provided with spring.
4. the endoscope with water filling gas injection selection button as described in claim 3, it is characterized in that: spool is cylindrical, water stream channel is the cannelure being opened on spool wall, gas passage comprise be opened in spool first passage radially and be opened in poppet shaft to second channel, first passage and second channel are communicated with, between spool and joystick, form air cavity, gas piping is communicated with air cavity.
5. the endoscope with water filling gas injection selection button as described in claim 4, is characterized in that: seals comprises sealing gasket and the first sealing ring, and sealing gasket and gas interface are on same circumference, and the first sealing ring is positioned on first passage; Current sealing member is O RunddichtringO, and it is positioned at current interface below.
6. the endoscope with water filling gas injection selection button as described in claim 5, it is characterized in that: spool is provided with the second sealing ring, the 3rd sealing ring and the 4th sealing ring, the second sealing ring is positioned at current interface top, the 3rd sealing ring is between current sealing member and the first sealing ring, and the 4th sealing ring is positioned at first passage below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310134089.6A CN103211566B (en) | 2013-04-17 | 2013-04-17 | Endoscope with water injection and gas injection selecting button |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310134089.6A CN103211566B (en) | 2013-04-17 | 2013-04-17 | Endoscope with water injection and gas injection selecting button |
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| Publication Number | Publication Date |
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| CN103211566A CN103211566A (en) | 2013-07-24 |
| CN103211566B true CN103211566B (en) | 2014-12-10 |
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| CN201310134089.6A Active CN103211566B (en) | 2013-04-17 | 2013-04-17 | Endoscope with water injection and gas injection selecting button |
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| DE102013214278A1 (en) | 2013-07-22 | 2015-01-22 | Digital Endoscopy Gmbh | SEALING COMPONENT FOR AN ENDOSCOPE PLUG |
| DE102013222041A1 (en) | 2013-10-30 | 2015-04-30 | Digital Endoscopy Gmbh | Deflection movement transmission device, endoscope deflecting control and endoscope |
| DE102013222039A1 (en) | 2013-10-30 | 2015-04-30 | Digital Endoscopy Gmbh | Attachable to a mother endoscope secondary endoscope and combination of mother endoscope and secondary endoscope |
| DE102013222042A1 (en) | 2013-10-30 | 2015-04-30 | Digital Endoscopy Gmbh | Deflection movement transmission device, endoscope deflecting control and endoscope |
| DE102013224683A1 (en) | 2013-12-02 | 2015-06-03 | Digital Endoscopy Gmbh | ENDOSCOPIC HEAD AND ENDOSCOPE |
| DE102013226591A1 (en) | 2013-12-19 | 2015-06-25 | Digital Endoscopy Gmbh | DEVICE AND METHOD FOR PRODUCING A PERMANENT HOLLOW PROFILE ELEMENT, LONG-TERM HOLLOW PROFILE ELEMENT AND AN ANCIENT UNIT FOR AN ENDOSCOPE |
| DE102014201208A1 (en) | 2014-01-23 | 2015-07-23 | Digital Endoscopy Gmbh | FLUID BLOCK FOR AN ENDOSCOPE PART AND ENDOSCOPE |
| DE102014201286B4 (en) | 2014-01-24 | 2019-12-24 | Digital Endoscopy Gmbh | METHOD AND DEVICE FOR TRACKING THE BASIC FREQUENCY OF A VOICE SIGNAL IN REAL TIME |
| DE102015113016B4 (en) | 2015-08-07 | 2018-03-29 | Digital Endoscopy Gmbh | ENDOSCOPE HEAD |
| US12016528B2 (en) * | 2018-05-21 | 2024-06-25 | Medivators, Inc. | Cleaning adapter with and without safety tag |
| CN112754394B (en) * | 2020-12-31 | 2023-08-15 | 上海澳华内镜股份有限公司 | Operating system, control method and endoscope |
| CN115299856A (en) * | 2022-09-16 | 2022-11-08 | 深圳科思明德医疗科技有限公司 | Air and liquid feeding system for endoscope, and endoscope system |
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| CN203263348U (en) * | 2013-04-17 | 2013-11-06 | 杭州安杰思医学科技有限公司 | Endoscope provided with water / gas injection option button |
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| CN202335846U (en) * | 2010-10-12 | 2012-07-18 | 富士胶片株式会社 | Switching valve assembly for endoscope |
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Denomination of invention: Endoscope with water injection and gas injection selecting button Effective date of registration: 20150327 Granted publication date: 20141210 Pledgee: Bank of Hangzhou Limited by Share Ltd science and Technology Branch Pledgor: Hangzhou AGS Medical Technology Co., Ltd. Registration number: 2015330000016 |
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Date of cancellation: 20190910 Granted publication date: 20141210 Pledgee: Bank of Hangzhou Limited by Share Ltd science and Technology Branch Pledgor: Hangzhou AGS Medical Technology Co., Ltd. Registration number: 2015330000016 |
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Address after: 311100 Building 597 Kangxin Road, Yuhang District, Hangzhou City, Zhejiang Province, 5 and 6 (except Room 103 and 202) Patentee after: Hangzhou Anjisi Medical Science and Technology Co., Ltd. Address before: Hangzhou Zhenhua Road, Zhejiang province 310030 city of Xihu District (West Lake Science Park) No. 320 building 1-2 Patentee before: Hangzhou Anjisi Medical Technology Co., Ltd. |