CN104434005B - A kind of endoscopic fluid control valve and fluid control systems - Google Patents
A kind of endoscopic fluid control valve and fluid control systems Download PDFInfo
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- CN104434005B CN104434005B CN201410613203.8A CN201410613203A CN104434005B CN 104434005 B CN104434005 B CN 104434005B CN 201410613203 A CN201410613203 A CN 201410613203A CN 104434005 B CN104434005 B CN 104434005B
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- 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
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Abstract
A kind of endoscopic fluid control valve and fluid control systems, send into flowing material for controlling endoscope into body cavity.The control valve for fluids includes the valve seat with inlet and outlet, and gapless is rotationally sheathed on the valve element in the valve seat, the valve element has first passage, and when the valve element turns to first position relative to the valve seat, the first passage connects the import and the outlet；The valve element has the hollow section that Open Side Down is extended and do not connected with the first passage from its upper end, the valve element has the first through hole of the connection hollow section, when the valve element turns to the second place relative to the valve seat, the first through hole and the outlet.The invention enables endoscope can control different passages to trandfer fluid in body cavity by control valve for fluids.
Description
Technical field
The present invention relates to endoscopic technique field, and in particular to a kind of endoscopic fluid control valve and fluid control systems.
Background technology
Medical flexible endoscope system, is typically provided with elongated tubulose insertion on the operating portion of endoscope mirror body
Portion, the operating portion are connected to the light source of endoscopic system, processor list via the total connector of endoscope by elongated cable again
Unit, the processor unit are also associated with display unit.During use, elongated insertion section is inserted in body cavity, by insertion section
The imaging apparatus that head end is arranged, obtains endoceliac picture signal, and described image signal is by running through the signal in insertion section
Cable transmission to outside body cavity carries out information processing by the processor unit of endoscopic system, and image is included in display unit
Endoceliac focus situation is observed for doctor, by clamping road, can be performed the operation with biopsy etc. being carried out by annex.
In some cases, in order to obtain apparent accurate lesions position image, or obtain accurate operation technique
Realtime graphic, needs to be rinsed lesions position using endoscope, also needs to sometimes inject lesions position liquid, therefore needs
Endoscope to be used send water system.
A kind of existing endoscope send water system, and which has a water inlet being arranged on the total connector of the endoscope,
It is described to send water system to extend to insertion section head end with from the beginning of the water inlet, via the elongated cable and the insertion section
Send aquaporin, the water inlet be circumscribed with water pump, by controlling the switch of water pump controlling whether to body cavity inner water-supply.
Existing another kind of endoscope send water system, with a water inlet being arranged in the endoscopic procedure portion, institute
State and send send aquaporin of the water system with insertion section head end is extended to from the beginning of the water inlet, via the insertion section, it is described
Outside water inlet can also water pump controlling to send water, but due to the operating portion need it is hand-held operated, to avoid operation inconvenience,
Typically water pump is not connected outside the water inlet, when needing to rinse focus, the water inlet is directed at using syringe carries out water filling.
The structure send water system, can also send aquaporin by described, liquid is sent to endoceliac affected area using syringe.
However, the endoscope of above-mentioned the first structure send water system, as water pump is external device (ED), user is in operation
After the operating portion of endoscope system, in addition it is also necessary to go to operate the switch of water pump can just carry out sending water management in addition, and general endoscope
Certain distance is had between operating portion and water pump, this causes inconvenience to user.Also, if necessary to send into liquid to body
In chamber, need the water source switching being connected with water pump into liquid, be inconvenient.
The endoscope of above-mentioned second structure send water system, although can select to send into water or liquid, but using injection
Device liquor charging needs extra operating procedure, needs multi-pass operation, it is impossible to carry out automatic liquor charging and easily controlled during a large amount of liquor chargings
System.
In addition, in some cases, it is desirable to easily send into the flowing materials such as water, liquid or gas in body cavity, with
The endoscope of upper two kinds of structures send water system passage single, is not easy to operation.
The content of the invention
In order to solve the above problems, the present invention provides a kind of endoscopic fluid control valve, for peeping in easily control
Mirror sends into flowing material by different passages into body cavity.
The technical solution used in the present invention is：A kind of endoscopic fluid controls valve, including：Valve seat, the side wall of the valve seat
It is upper that there is inlet and outlet；Valve element, the valve element gapless are rotatably sleeved in the valve seat, and the valve element has first
Passage, when the valve element turns to first position relative to the valve seat, the first passage connects the import and described
Outlet；The valve element upper end be opening, the valve element with from it is described Open Side Down extend and do not connect with the first passage
Hollow section, the valve element has the first through hole of the connection hollow section, when the valve element is turned to relative to the valve seat
During the second place, the first through hole and the outlet；The valve element also is used to rotate stirring for the valve element with one
Device.
The invention has the beneficial effects as follows so that endoscope can control different passages to body conveniently by control valve for fluids
Fluid is sent in chamber.
Description of the drawings
Fig. 1 is the overall structure figure that endoscopic fluid of the present invention controls valve.
Fig. 2 is the perspective exploded view that endoscopic fluid of the present invention controls valve.
Fig. 3 is the longitudinal profile schematic diagram of one structure of endoscopic fluid control valve embodiment of the present invention.
Fig. 4 is the transverse sectional view of one distressed structure of endoscopic fluid control valve embodiment of the present invention.
Fig. 5 is the longitudinal profile schematic diagram of two structure of endoscopic fluid control valve embodiment of the present invention.
Fig. 6 is the longitudinal profile schematic diagram of three structure of endoscopic fluid control valve embodiment of the present invention.
Fig. 7 is the transverse sectional view that endoscopic fluid of the present invention controls valve example IV structure.
Fig. 8 is the transverse sectional view that endoscopic fluid of the present invention controls valve example IV distressed structure.
Specific embodiment
Below in conjunction with the Figure of description in the present invention, the technical scheme in invention is clearly and completely described,
Obviously, described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.Based in the present invention
Embodiment, the every other embodiment obtained under the premise of creative work is not made by those of ordinary skill in the art, all
Belong to the scope of protection of the invention.
The endoscopic fluid control valve of the present invention, including：Valve seat, has inlet and outlet on the side wall of the valve seat；Valve
Core, the valve element gapless are rotatably sleeved in the valve seat, and the valve element has first passage, when the valve element it is relative
When the valve seat turns to first position, the first passage connects the import and the outlet；The valve element upper end is
Opening, the valve element is with from the hollow section that Open Side Down is extended and do not connected with the first passage, the valve element tool
There is the first through hole for connecting the hollow section, when the valve element turns to the second place relative to the valve seat, described first
Through hole and the outlet；The valve element also is used to rotate the striking gear of the valve element with one.
The endoscopic fluid control valve of the present invention, when the valve element turns to the first position relative to the valve seat
When, the hollow section not with the outlet, by the import, the first passage, the export mixes path, can
Fluid is sent in body cavity via the import；When the valve element turns to the second place relative to the valve seat
When, the first passage not with the import, the outlet, by the opening, the hollow section, described first lead to
Hole, the path of the export mixes, can be sent to fluid in body cavity via the opening.Therefore, endoscope of the invention
Control valve for fluids easily can control to send into fluid by different passages into body cavity.
Referring to Fig. 1 to Fig. 3, the endoscopic fluid control valve embodiment one of the present invention includes：
Valve seat 1, has import 101 and outlet 102 on the side wall of the valve seat 1.Valve seat 1 is installed on the operating portion of endoscope
Interior, its upper part is exposed outside operating portion housing, due to endoscopic system when in use, the frequency for operating on operating portion and adjusting
Rate highest, therefore the control valve for fluids of the present invention is arranged in endoscopic procedure portion and can operate the control valve with convenient use person.
Import 101 is the entrance that the flowing materials such as water, gas are sent into into the control valve for fluids, and import 101 can outer water pump.Outlet
102 is the outlet that flowing material is outwards sent by the control valve for fluids, and outlet 102 is via the channel connection in operating portion to interior
The head end of sight glass insertion section.
Valve element 2,2 gapless of the valve element are rotatably sleeved in valve seat 1, and valve element 2 has first passage, when valve element 2
When turning to first position relative to valve seat 1, the first passage connects import 101 and outlet 102.The first passage is to pass through
The second through hole 2011 of valve element 2 is worn, the second through hole 2011 is the straight-through open-work along 2 radial direction of valve element.
In certain embodiments, the second through hole 2011 can also be bending open-work by 2 axis of valve element, or partially
From the straight open-work of 2 axis of valve element.
2 upper end of valve element has an opening 20, and valve element 2 is with extending downwardly from opening 20 and do not connect with the second through hole 2011
Hollow section 202, hollow section 202 have the first through hole 203 through 202 side of hollow section, corresponding to the on the lateral wall of valve element 2
The position of one through hole 203 has recess 204, when valve element 2 turns to the second place relative to valve seat 1, recess 204 with go out
Mouth 102 is connected.In certain embodiments, first through hole 203 directly can also be connected with outlet 102, now the lateral wall of valve element 2
On be not provided with recess 204.
Due to having above-mentioned more internal structure in valve element 2, the machine-shaping of valve element 2 for convenience, valve element 2 can be adopted
It is combined into inner spool 21 and 22 two parts of outer valve element, hollow section 202 is formed in inner spool 21, on outer valve element 22, first is formed
Through hole 203, recess 204, the second through hole 2011, the lower end of inner spool 21 are located at the top of first through hole 203.
Valve element 2 also is used to rotate the striking gear of the valve element 2 with one, is e.g. fixedly connected on the valve element 2
The driving lever 3 at end.
The operation principle of the control valve for fluids is described below.
Stir driving lever 3 so that when valve element 2 turns to first position relative to valve seat 1, the connection import of the second through hole 2011
The flowing materials such as water or gas are pumped into the control valve for fluids, Jing with outlet 102, the water pump or air pump of 101 outer connection of import by 101
The control valve for fluids is sent by outlet 102, the passage in insertion section is sent to endoceliac affected area.Driving lever 3 is stirred, is made
Valve element 2 when being not at first position relative to valve seat 1, blocked by valve element 2 between import 101 and outlet 102, outside import 101
The water of portion's connection, the flowing material such as gas can not be sent to endoscope insertion part head end by the control valve for fluids.
Stir driving lever 3 so that when valve element 2 turns to the second place relative to valve seat 1, recess 204 is connected with outlet 102
It is logical so that opening 20 is connected with outlet 102 via hollow section 202, first through hole 203, recess 204, is passed through using syringe
Opening 20 is sent to endoscope insertion part head end via outlet 102 to injection water or liquid in the control valve for fluids.
From above technical scheme, the endoscopic fluid control valve of the present invention, by stirring driving lever 3, make valve element 2 relative
The different first position of axial angle and the second place are turned in valve seat 1, can select respectively from import 101 send into fluid or
Person sends into fluid from opening 20, and when lesions position needs different process, such as water is rinsed, liquid is processed or insufflation gas
When, can be respectively fed to from different passages, and it is easy to control.For example can the outer connection water pump of import 101, when needing to send water
When rinsing to affected part, driving lever 3 is dialed to into the first position, when water need not be sent to affected part, driving lever 3 is dialed to described
The second place, can send into liquid from opening 20 by syringe, it is to avoid need command range pump switch farther out not
Just, also, due in clinical practice, sending into the demand of liquid than sending the demand that water is rinsed few a lot, therefore the stream of the present invention
Body control valve avoids the need for frequently using syringe to send into water and send into the inconvenience of liquid.
Referring to Fig. 4, in certain embodiments, the first passage is to be arranged at 2 outer surface of valve element along 2 circumferencial direction of valve element
Recess 2012.When valve element 2 turns to the first position relative to valve seat 1, recess 2012 connects import 101 and outlet
102.Recess 2012 is perpendicular to curved, sickleshaped or arch on the cross section of 2 axis of valve element.
Referring to Fig. 5, the control valve for fluids of the embodiment of the present invention two, it is narrow on the inner side of hollow section 202 is with one under it is wealthy
Step 205, abuts a piston 206, the narrow one end of 206 sealed step 205 of piston, and blow-by step 205 is wealthy at step 205
One end, piston 206 pass through 207 bottoms for being connected to hollow section 202 of the first elastic portion.
Due to sending in endoscopic procedure and always the water, therefore valve element 2 relative to the normal configuration state of valve seat 1 to be
In the second place, and now it is open and 20 102 connects with outlet, to avoid endoceliac body fluid from being back to opening 20, adopts
A check device is internally formed in valve element 2 with above-mentioned structure so that opening 20 has one with the passage connected in body cavity
Individual check valve.When fluid is injected using syringe into valve body, the pressure of fluid backs down piston 206, now the first elastic portion
Part 207 produces deformation, and fluid flows into the wealthy one end of step 205 via the gap of 206 periphery of piston, so as to via first through hole
203rd, valve body is flowed out in recess 204, outlet 102, is sent in body cavity by the passage in insertion section.When not to 20 injected current of opening
During body, elastomeric element 207 recovers deformation, promotes piston 206 to playback, narrow one end of sealed step 205, so as to endoceliac body fluid
Opening 20 will not be back to.
From above technical scheme, the control valve for fluids of the present embodiment, due to adopting in the hollow section 202 in valve element 2
With check valve, the control valve for fluids valve element 2 can be prevented relative to valve seat 1 during the second place in its its normal orientation,
Body fluid is back to outside valve body.
Referring to Fig. 6, the control valve for fluids of the embodiment of the present invention three, between its narrow one end of step 205 and wealthy one end it is
One gradually transition fall wedge side wall 208, piston 206 with wedge side wall 208 be adapted wedge structure.
It is described fall the adaptable structure of wedge side wall 208 and the piston 206 of wedge structure can increase piston 206 with it is hollow
Section 202 on the inside of contact area, and can cause piston 206 relative to step 205 alignment more preferably, so as to non-return effect
More preferably.
In above-described embodiment two, embodiment three, it is preferable that the hollow section 202, step 205 is extended to from opening 20
Part, is the diminishing wedge structure of cross-sectional area so that when sending into fluid from the injection of opening 20, can at the top of piston 206
With with bigger pressure, so as to be easier to back down piston 206.
Referring to Fig. 7, the control valve for fluids of the embodiment of the present invention four, on the basis of three structure of embodiment, its valve element 2 is in sky
202 position below of heart section, the e.g. position of B-B ' in figure 6, with one through 2 side of valve element third through-hole 209, the
There is the second elastomeric element 210 in three through holes 209, the cephalic par 211 of the second elastomeric element 210 is with towards third through-hole 209
Outer sphere；When valve element 2 turns to the first position and the second place respectively relative to valve seat 1, valve seat 1 it is interior
Side wall has depressed part 212 respectively corresponding to the position of cephalic par 211, and cephalic par 211 abuts depressed part 212 respectively.
When stirring driving lever 3 so that valve element 2 turns to the first position and the second place respectively relative to valve seat 1
When, cephalic par 211 abuts two depressed parts 212 respectively, now, relative to 2 opposite valve seat 1 of valve element in other axial positions
Put, the second elastomeric element 210 produces less deformation, therefore cephalic par 211 be easier to be stably placed in two depressed parts 212,
Needing to impose driving lever 3 larger power can just make cephalic par 211 leave depressed part 212, so as to, valve element 2 can be with relative to valve seat 1
The first position and the second place are turned to respectively more accurately, it is convenient to operate.
Referring to Fig. 8, in certain embodiments, third through-hole 209 is through the both sides of valve element 2, the cephalic par of elastomeric element 210
With tail end respectively with towards the sphere outside third through-hole 209 so that valve element 2 is in described first relative to valve seat 1
Put more accurate, more firm with position during the second place.
Structure described in Fig. 7 and Fig. 8, can be with the enforcement in embodiment one, the structure of embodiment two.
The present invention also provides a kind of endoscopic fluid control system, including the input of first fluid input block, second fluid
Unit, the endoscopic fluid control system also include that aforesaid any one endoscopic fluid controls valve, to select control
The first fluid input block and the second fluid input block send into fluid into body cavity.The first fluid input is single
The import 101 of unit's connection control valve for fluids, the second fluid input block connect the opening 20 of the control valve for fluids.
Specifically, the first fluid input block can be water pump, and the second fluid input block can be syringe.
Employ the endoscopic system of fluid control systems of the present invention, generally it is convenient to select control is by described first-class
Body input block still sends into fluid by the second fluid input block into body cavity, so that endoscopic system is selected
More convenient operation during switching fluid origin.
A kind of endoscopic fluid control valve for being provided to the embodiment of the present invention above and fluid control systems have been carried out in detail
Carefully introduce, but the explanation of above example is only intended to help the structure and its core concept that understand the present invention, should not be construed as
Limitation of the present invention.Those skilled in the art the invention discloses technical scope in, the change that can be readily occurred in
Or replace, should all be included within the scope of the present invention.
Claims (9)
1. a kind of endoscopic fluid controls valve, including：
Valve seat, has inlet and outlet on the side wall of the valve seat；
Valve element, the valve element gapless are rotatably sleeved in the valve seat, and the valve element has first passage, when the valve
When core turns to first position relative to the valve seat, the first passage connects the import and the outlet；
Characterized in that, the valve element upper end is opening, the valve element is with Open Side Down extends and not with described the from described
The hollow section of one channel connection, the valve element have the first through hole of the connection hollow section, when the valve element is relative to described
When valve seat turns to the second place, the first through hole and the outlet；
With wealthy step under narrow on the inside of the hollow section, a piston at the step, is abutted, described in the piston seal
The narrow one end of step, and the wealthy one end of step described in blow-by, the piston are connected to the sky by the first elastomeric element
The bottom of heart section；
The valve element also is used to rotate the striking gear of the valve element with one.
2. control valve for fluids according to claim 1, it is characterised in that：The first passage is through the of the valve element
Two through holes.
3. control valve for fluids according to claim 1, it is characterised in that：The first passage is along the valve element circumference side
To the recess for being arranged at the valve core outer surface.
4. endoscopic fluid according to claim 1 controls valve, it is characterised in that：It is hollow described in the first through hole insertion
The side of section, has recess corresponding to the position of the first through hole on the lateral wall of the valve element, when the valve element it is relative
When the valve seat turns to the second place, the recess and the outlet.
5. endoscopic fluid according to claim 1 controls valve, it is characterised in that：
The step, between its narrow one end and wealthy one end for one gradually transition fall wedge side wall, the piston with
The wedge structure that wedge side wall is adapted.
6. endoscopic fluid controls valve according to claim 1 or 5, it is characterised in that：
The hollow section, extends to the part of the step from described opening, is the diminishing wedge structure of cross-sectional area.
7. the endoscopic fluid according to claim 1-5 any one controls valve, it is characterised in that：
The valve element, the position below the hollow section, also with least through the third through-hole of the valve element side, institute
State, the cephalic par of second elastomeric element is with towards outside the third through-hole
Sphere；
When the valve element turns to the first position and the second place respectively relative to the valve seat, the valve seat
Madial wall there is depressed part respectively corresponding to the position of the cephalic par, the cephalic par abuts the depressed part respectively.
8. endoscopic fluid according to claim 7 controls valve, it is characterised in that：
The third through-hole has court respectively through the both sides of the valve element, the cephalic par and tail end of second elastomeric element
Sphere to outside the third through-hole；
When the valve element turns to the first position and the second place respectively relative to the valve seat, the valve seat
Madial wall correspond to the position of the cephalic par and the tail end there is depressed part, the cephalic par and the tail end respectively
Portion abuts the depressed part respectively.
9. a kind of endoscopic fluid control system, it is characterised in that with the endoscope as described in claim 1-8 any one
Control valve for fluids.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410613203.8A CN104434005B (en) | 2014-11-05 | 2014-11-05 | A kind of endoscopic fluid control valve and fluid control systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410613203.8A CN104434005B (en) | 2014-11-05 | 2014-11-05 | A kind of endoscopic fluid control valve and fluid control systems |
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| Publication Number | Publication Date |
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| CN104434005A CN104434005A (en) | 2015-03-25 |
| CN104434005B true CN104434005B (en) | 2017-04-05 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105212881B (en) * | 2015-10-26 | 2017-03-22 | 深圳开立生物医疗科技股份有限公司 | Joint, water supply system for endoscope and endoscope thereof |
| CN108784760B (en) * | 2018-06-26 | 2021-02-26 | 陈克银 | Needle-knife mirror gas-liquid conversion filling device |
| CN112057029B (en) * | 2020-08-27 | 2022-06-21 | 新光维医疗科技(苏州)股份有限公司 | Endoscope gas-liquid conveying device |
| CN113413125A (en) * | 2021-07-16 | 2021-09-21 | 浙江夸迈医疗器械有限公司 | Multifunctional choledochoscope |
| CN116763236B (en) * | 2023-08-21 | 2024-01-19 | 湖南省华芯医疗器械有限公司 | Rotary spray head, front end assembly and endoscope |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2303983Y (en) * | 1997-06-20 | 1999-01-13 | 王永生 | Energy-saved cold-hot-water mixing valve |
| US6158467A (en) * | 1998-01-08 | 2000-12-12 | George Loo | Four-port, four-way, stopcock for intravenous injections and infusions and direction of flow of fluids and gasses |
| CN2672401Y (en) * | 2004-01-12 | 2005-01-19 | 韩守军 | Three-way rotary valve |
| JP4122024B2 (en) * | 2005-11-29 | 2008-07-23 | オリンパス株式会社 | Endoscope insertion aid |
| CN201519377U (en) * | 2009-09-28 | 2010-07-07 | 山东碧通通信技术有限公司 | Sequential diversion valve |
| US9408523B2 (en) * | 2010-11-30 | 2016-08-09 | Medivators Inc. | Disposable air/water valve for an endoscope |
| CN203604718U (en) * | 2013-10-29 | 2014-05-21 | 张基忠 | Multichannel reversing control valve |
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