CN103211566A - 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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- CN103211566A CN103211566A CN2013101340896A CN201310134089A CN103211566A CN 103211566 A CN103211566 A CN 103211566A CN 2013101340896 A CN2013101340896 A CN 2013101340896A CN 201310134089 A CN201310134089 A CN 201310134089A CN 103211566 A CN103211566 A CN 103211566A
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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 have the intravital insertion section of inserting the person under inspection, with successive main body operating unit in described insertion section and the general flexible cord that is connected with described main body operating unit.Front end in the insertion section has illuminating window, observation window and pliers outlet.In use, the insertion section is inserted in person under inspection's the body cavity.Then, make illumination light from illuminating window to the body cavity internal radiation, thereby from observation window to observing in the body cavity.When finding affected part etc., high frequency handling implement or pliers etc. are passed the pliers passage, thereby utilize the pliers that stretches out from the pliers outlet etc. that affected part is disposed.
Therefore, endoscopic system also has light supply apparatus, processor and watch-dog except endoscope.And, high intensity light source or VTR device, printer etc. can also be installed as required.Described various device is arranged on the carrier with endoscope self.Carrier has the multistage shelf that is used to be provided with various device, and it constitutes and moves 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 shines in the 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 the body cavity.Picture signal from image unit sends to processor via general flexible cord.Picture signal is handled and show to be observed image by processor at watch-dog.
When utilizing endoscope to check or treating, operator's control connection has the various device of endoscope.For example, in light supply apparatus, adjust the light source light quantity, thereby make the endoceliac image definition that is presented on the watch-dog.
And, when using the high frequency handling implement, suitably control the voltage or the electric current of high frequency electric source, to carry out safe and efficient disposal.
Endoscope has the liquid after the 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 tissue mobile perfusion etc.Gas-pressurized is used for endoceliac expansion, the removing etc. of the drop of the observation window after cleaning.As the pressurized source of described liquid and gas, for example use air pump.When supplying with gas-pressurized, air pump is driven.And, under the situation of the liquid pressurization when being used for liquor charging, supply with forced air to the liquor charging jar from air pump.Air pump is built in the light supply apparatus usually.And the liquor charging jar is installed on the light supply apparatus in removable mode.Not only can be by air pump being connected/is cut off pressure and the changes in flow rate that makes forced air, but also can be by controlling pressure and the changes in flow rate that its rotating speed makes forced air.
In recent years, substitute based on the air pressurized of air pump and obtain practical application as the situation of pressurized-gas source with carbon dioxide (CO2).Compare with air, carbon dioxide is easier to be absorbed by organism, considers based on safety and the viewpoints such as burden that alleviate the patient, preferably uses carbon dioxide.When being pressurized-gas source, adopt the carbon dioxide feedway that has utilized the CO 2 high pressure gas bomb with the carbon dioxide.
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 when switch made the conducting of feed flow path, the air feed path was communicated with passage, and carbon dioxide is entered the external world.When switch makes the conducting of air feed path, the feed flow path blockade.The shortcoming of this endoscope is: can't the closing carbon dioxide source of the gas, carbon dioxide directly enters in the air, causes operating indoor carbon dioxide and gathers, will cause for a long time operator and person under inspection take place uncomfortable in chest, untoward reaction such as suffocate.
Summary of the invention
In order to overcome the shortcoming that existing endoscope can't avoid carbon dioxide to leak, 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 selector button that can stop carbon dioxide to leak.
Endoscope with water filling gas injection selector 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; Have gas piping and water pipeline in the flexible insertion section;
Be provided with the gas passage that is communicated with source of the gas and gas piping in the joystick, and the water stream channel that connects water source and water pipeline;
It is characterized in that: have the selector button of selectively opening gas passage or water stream channel on the joystick, selector button comprises the fixed cover that cooperates with the joystick plug-in type and is socketed on spool on the fixed cover movably; Spool is provided with the gas interface of opening gas passage, and the seals of confining gas passage is opened the current interface of water stream channel and the current sealing member of sealing water stream channel; When spool was in primary importance, gas passage was communicated with gas interface; When spool was in the second position, seals confining gas passage current interface simultaneously was communicated with water stream channel; When spool is in the 3rd position, seals confining gas passage current sealing member sealing simultaneously water stream channel;
The extension is arranged at the spool top, forms step between extension and the spool, and fixed cover is provided with the through hole that allows the extension to stretch out, this through hole and extension matched in clearance, and the extension is triggered spool and is changed three positions.
Further, be fixed with alignment pin on the extension, fixed cover is provided with first stopper section and second stopper section that stops alignment pin, and two stopper sections are the projection that exceeds the fixed cover surface, and alignment pin can freely rotate between first stopper section and second stopper section.
When alignment pin against first stopper section and step when pushing against fixed cover, gas interface is opened gas passage, spool is in primary importance; When alignment pin pushes against fixed cover, seals confining gas passage, the current interface is opened water stream channel simultaneously, and spool is in the second position; When alignment pin was in all the other positions, spool was 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 first stopper section and second stopper section.
Further, the top of extension is fixed with button cap, is provided with spring between button cap and the alignment pin.Spring is in the raw the time, and step pushes against fixed cover.When spring was in complete compressive state, alignment pin pushed against fixed cover.
Further, spool is cylindrical, water stream channel is the cannelure that is opened on the spool wall, gas passage comprise be opened in the radial first passage of spool and be opened in poppet shaft to second channel, first passage and second channel are communicated with, form air cavity between spool and the joystick, gas piping is communicated with air cavity.
Further, seals comprises the sealing gasket and first sealing ring, and sealing gasket and gas interface are on the same circumference, and first sealing ring is positioned on the first passage.
Further, spool is provided with second sealing ring, and the 3rd sealing ring and the 4th sealing ring, second sealing ring are positioned at current interface top, and the 3rd sealing ring is between the current sealing member and first sealing ring, and the 4th sealing ring is positioned at the 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: can optionally open water stream channel or gas passage, when gas passage was closed, carbon dioxide air source also was closed simultaneously, can avoid carbon dioxide to leak in the air, and need not to change existing endoscope structure, easy to use.
Description of drawings
Fig. 1 is the cutaway view of selector button.
Fig. 2 is the axonometric chart of selector button.
Fig. 3 is that selector button inserts the sketch map in the joystick.Among Fig. 3, spool is in primary importance.
Fig. 4 is the sketch map that spool is in the second position.
Fig. 5 is the sketch map that spool is in the 3rd position.
The specific embodiment
Endoscope with water filling gas injection selector 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; Have gas piping and water pipeline in the flexible insertion section;
Be provided with the gas passage A that is communicated with source of the gas and gas piping in the joystick, and the water stream channel B that connects water source and water pipeline;
Have the selector button 1 of selectively opening gas passage A or water stream channel B on the joystick, selector button 1 comprises the fixed cover 11 that cooperates with the joystick plug-in type and is socketed on spool 12 on the fixed cover 11 movably; Spool 12 is provided with the gas interface 121 of opening gas passage A, and the seals of confining gas passage A is opened the current interface 122 of water stream channel B and the current sealing member 3 of sealing water stream channel B; When spool 12 was in primary importance, gas passage A was communicated with gas interface; When spool 12 was in the second position, seals confining gas passage A current interface 122 simultaneously was communicated with water stream channel B; When spool 12 was in the 3rd position, seals confining gas passage A is current sealing member 3 sealing water stream channel B simultaneously; Current sealing member 3 is the O RunddichtringO.When spool 12 is in primary importance,, directly enter in the gas passage A behind ambient atmos injection and the matching used gas injection bottle of endoscope, can not produce the pressure of compressing current ingoing stream channel B in the gas injection bottle because gas interface is communicated with gas passage A.When spool 12 is in primary importance, only to endoscope's air feed.When spool 12 is in the second position, must just can make gas in the gas injection bottle, produce the pressure of compressing current ingoing stream channel B by confining gas passage A.Therefore, when spool 12 was in the second position, gas passage A was closed, and water stream channel B is unlocked simultaneously.
Be fixed with alignment pin 2 on the extension 13, fixed cover 11 is provided with first stopper section 91 and second stopper section 92 that stops alignment pin 2, two stopper sections are the projection that exceeds fixed cover 11 surfaces, and alignment pin 2 can freely rotate between first stopper section 91 and second stopper section 92.
Seals comprises the sealing gasket 41 and first sealing ring 42, and sealing gasket 41 is on the same circumference with gas interface 121.When alignment pin 2 props up second stopper section, sealing gasket 41 confining gas interfaces 121.
When alignment pin 2 against first stopper section 91 and step 121 when pushing against fixed cover 11, gas interface 121 is opened gas passage A, spool 12 is in primary importance, as shown in Figure 3.When alignment pin 2 pushes against fixed cover 11, seals confining gas passage A, current interface 122 is opened water stream channel B simultaneously, and spool 12 is in the second position, as shown in Figure 4.When alignment pin 2 against second stopper section, and step 121 is when pushing against fixed cover 11, current sealing member 3 sealing water stream channels, sealing gasket 41 confining gas passages simultaneously, spool 12 is in the 3rd position, as shown in Figure 5.When spool 12 was in primary importance and the 3rd position, because gas passage A is closed, the interior generation of the pipeline between gas passage and the source of the gas was intrinsic pressure, stops source of the gas to continue to endoscope's air feed.
Coupling part structure with rotary knob on the joystick is as follows, as shown in Figure 3, this coupling part comprises the sleeve pipe D that cooperates with spool 12, sleeve pipe D is provided with gas passage and water stream channel, water stream channel comprises two water pipe B1, B2 that are arranged on the 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 first arm A1 that is arranged on the 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 cooperates with the first arm A1, and the second arm A2 is communicated with air cavity C.When the first arm A1 and first passage 1211 para-positions, gas passage is opened; When the first arm A1 and first passage 1211 dislocation, the 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 first stopper section 91 and second stopper section 92.
The top of extension 13 is fixed with button cap 14, is provided with spring 5 between button cap 14 and the alignment pin 2.Spring 5 is in the raw the time, and step 121 pushes against fixed cover 11.When spring 5 was in complete compressive state, alignment pin 2 pushed against fixed cover 11.
Spool 12 is provided with 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 the current sealing member and 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 when practical operation, if endoscope needs air feed, with alignment pin 2 against first stopper section 91, spring 5 in the raw, gas interface is communicated with gas passage A, gas is input in the gas piping of endoscope.In the time of need stopping air feed, rotation alignment pin 2 is up to pushing against second stopper section 92, sealing gasket 41 confining gas interfaces, as shown in Figure 3.If endoscope needs to supply water, then press the button medicated cap 14, alignment pin 2 pushes against fixed cover, and this moment, the current interface was 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, when needing to supply water, can also earlier alignment pin 2 be rotated to second stopper section 92, press the button medicated cap 14 again.Sealing gasket can be assisted first sealing ring 42 like this, plays the effect that strengthens sealing.
The advantage that the present invention has is: can optionally open water stream channel B or gas passage A, when gas passage A was closed, carbon dioxide air source also was closed simultaneously, can avoid carbon dioxide to leak in the air, and need not to change existing endoscope structure, easy to use.
The described content of this description embodiment only is enumerating the way of realization of 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 reach in those skilled in the art conceive according to the present invention the equivalent technologies means that can expect.
Claims (7)
1. the endoscope that has water filling gas injection selector 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; Have gas piping and water pipeline in the flexible insertion section;
Be provided with the gas passage that is communicated with source of the gas and gas piping in the joystick, and the water stream channel that connects water source and water pipeline;
It is characterized in that: have the selector button of selectively opening gas passage or water stream channel on the joystick, selector button comprises the fixed cover that cooperates with the joystick plug-in type and is socketed on spool on the fixed cover movably; Spool is provided with the gas interface of opening gas passage, and the seals of confining gas passage is opened the current interface of water stream channel and the current sealing member of sealing water stream channel; When spool was in primary importance, gas passage was communicated with gas interface; When spool was in the second position, seals confining gas passage current interface simultaneously was communicated with water stream channel; When spool is in the 3rd position, seals confining gas passage current sealing member sealing simultaneously water stream channel;
The extension is arranged at the spool top, forms step between extension and the spool, and fixed cover is provided with the through hole that allows the extension to stretch out, this through hole and extension matched in clearance, and the extension is triggered spool and is changed three positions.
2. the endoscope with water filling gas injection selector button as claimed in claim 1, it is characterized in that: be fixed with alignment pin on the extension, fixed cover is provided with first stopper section and second stopper section that stops alignment pin, two stopper sections are the projection that exceeds the fixed cover surface, and alignment pin can freely rotate between first stopper section and second stopper section.
3. the endoscope with water filling gas injection selector button as claimed in claim 2 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 first stopper section and second stopper section.
4. as the described endoscope with water filling gas injection selector button of one of claim 1-3, it is characterized in that: the top of extension is fixed with button cap, is provided with spring between button cap and the alignment pin.
5. the endoscope with water filling gas injection selector button as claimed in claim 4, it is characterized in that: spool is cylindrical, water stream channel is the cannelure that is opened on the spool wall, gas passage comprise be opened in the radial first passage of spool and be opened in poppet shaft to second channel, first passage and second channel are communicated with, form air cavity between spool and the joystick, gas piping is communicated with air cavity.
6. the endoscope with water filling gas injection selector button as claimed in claim 5 is characterized in that: seals comprises the sealing gasket and first sealing ring, and sealing gasket and gas interface are on the same circumference, and first sealing ring is positioned on the first passage.
7. the endoscope with water filling gas injection selector button as claimed in claim 6, it is characterized in that: spool is provided with second sealing ring, the 3rd sealing ring and the 4th sealing ring, second sealing ring is positioned at current interface top, the 3rd sealing ring is between the current sealing member and first sealing ring, and the 4th sealing ring is positioned at the first passage below.
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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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| CN201310134089.6A CN103211566B (en) | 2013-04-17 | 2013-04-17 | Endoscope with water injection and gas injection selecting button |
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| CN103211566A true CN103211566A (en) | 2013-07-24 |
| CN103211566B CN103211566B (en) | 2014-12-10 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106413515A (en) * | 2014-01-23 | 2017-02-15 | 数字内镜检查股份有限公司 | Fluid block for endoscope control part and endoscope |
| US9955856B2 (en) | 2013-12-19 | 2018-05-01 | Digital Endoscopy Gmbh | Device and a method for manufacturing an elongated hollow profile element, an elongated hollow profile element, and a bending section for an endoscope |
| US10076233B2 (en) | 2013-10-30 | 2018-09-18 | Digital Endoscopy Gmbh | Device for transmitting a deflection movement, endoscope bending control unit, and endoscope |
| US10080483B2 (en) | 2013-10-30 | 2018-09-25 | Digital Endoscopy Gmbh | Secondary endoscope mountable to a mother endoscope and a combination of a mother endoscope and a secondary endoscope |
| US10092171B2 (en) | 2013-10-30 | 2018-10-09 | Digital Endoscopy Gmbh | Deflection movement transmission device, endoscope bending controller and endoscope |
| US10441142B2 (en) | 2013-07-22 | 2019-10-15 | Digital Endoscopy Gmbh | Sealing component for an endoscope connector |
| US10441152B2 (en) | 2014-01-24 | 2019-10-15 | Digital Endoscopy Gmbh | Tracking the fundamental frequency of a voice signal in real time |
| US10939803B2 (en) | 2013-12-02 | 2021-03-09 | Digital Endoscopy Gmbh | Endoscope head and endoscope |
| CN112754394A (en) * | 2020-12-31 | 2021-05-07 | 上海澳华内镜股份有限公司 | Operating system, control method and endoscope |
| US11278187B2 (en) | 2015-08-07 | 2022-03-22 | Digital Endoscopy Gmbh | Endoscope head |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10441142B2 (en) | 2013-07-22 | 2019-10-15 | Digital Endoscopy Gmbh | Sealing component for an endoscope connector |
| US10076233B2 (en) | 2013-10-30 | 2018-09-18 | Digital Endoscopy Gmbh | Device for transmitting a deflection movement, endoscope bending control unit, and endoscope |
| US10080483B2 (en) | 2013-10-30 | 2018-09-25 | Digital Endoscopy Gmbh | Secondary endoscope mountable to a mother endoscope and a combination of a mother endoscope and a secondary endoscope |
| US10092171B2 (en) | 2013-10-30 | 2018-10-09 | Digital Endoscopy Gmbh | Deflection movement transmission device, endoscope bending controller and endoscope |
| US10939803B2 (en) | 2013-12-02 | 2021-03-09 | Digital Endoscopy Gmbh | Endoscope head and endoscope |
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| US10874291B2 (en) | 2014-01-23 | 2020-12-29 | Digital Endoscopy Gmbh | Fluid block for an endoscope control part and endoscope |
| US10441152B2 (en) | 2014-01-24 | 2019-10-15 | Digital Endoscopy Gmbh | Tracking the fundamental frequency of a voice signal in real time |
| US11278187B2 (en) | 2015-08-07 | 2022-03-22 | Digital Endoscopy Gmbh | Endoscope head |
| CN112754394A (en) * | 2020-12-31 | 2021-05-07 | 上海澳华内镜股份有限公司 | Operating system, control method and endoscope |
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| CN103211566B (en) | 2014-12-10 |
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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. |