CN111297306A - Suction assembly for endoscope and endoscope - Google Patents
Suction assembly for endoscope and endoscope Download PDFInfo
- Publication number
- CN111297306A CN111297306A CN201911237686.5A CN201911237686A CN111297306A CN 111297306 A CN111297306 A CN 111297306A CN 201911237686 A CN201911237686 A CN 201911237686A CN 111297306 A CN111297306 A CN 111297306A
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- suction
- assembly
- spring
- direct current
- valve rod
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- 238000007789 sealing Methods 0.000 claims abstract description 21
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/012—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor characterised by internal passages or accessories therefor
- A61B1/015—Control of fluid supply or evacuation
-
- 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
- A61B1/00131—Accessories for endoscopes
- A61B1/00137—End pieces at either end of the endoscope, e.g. caps, seals or forceps plugs
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Biomedical Technology (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Biophysics (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Endoscopes (AREA)
Abstract
The invention discloses an endoscope and a suction assembly for the same, wherein the suction assembly comprises a button assembly and a suction cavity, and a negative pressure interface and a suction interface are arranged on the suction cavity; the button assembly comprises a valve core reset through a spring, and the valve core is in sliding fit with the suction cavity so that the negative pressure interface is communicated with or blocked from the suction interface; the button assembly also comprises a shell, a valve rod and a sealing element are arranged in the shell, and the valve rod and the sealing element form a valve core; the tail end of the valve rod is connected with a spring, and a direct current electromagnet assembly which is magnetically coupled with the valve rod is further arranged in the shell; the direct current electromagnet assembly and the spring are respectively used for driving the valve plug to move in opposite directions; the upper end of the shell is provided with a key switch component used for connecting the direct current electromagnet component with a direct current power supply. The endoscope includes the aforementioned suction assembly. The suction assembly has the advantages of simple structure, convenient operation, reliable function, good pressing hand feeling and multiple selectable structural forms; the endoscope has the same effects as described above.
Description
Technical Field
The present invention relates to an endoscope control unit, and more particularly, to a suction unit for an endoscope and an endoscope having the same.
Background
The suction button on the endoscope operation part is mainly used for controlling the suction function of the head end, and realizes the switching of suction or non-suction of liquid, debris or gas in the body of a patient. The air in the air flows to the suction pump through the suction button pore passage in a natural state, when the suction button is pressed down, the channel between the inside of the suction button and the outer space of the endoscope body is isolated, the channel between the suction pump and the head end is opened, the suction effect is realized, and the suction button can be used for removing liquid, debris or air in the body of a patient.
Most of suction buttons in the prior art are mechanical, the return of a suction valve core is realized through a spring, and the pressing hand feeling is poor; in addition, in this structure, too soft spring causes the suction valve core not to rebound or to rebound slowly, and too hard spring causes too large pressing force during operation by the doctor. For this reason, improvements are required.
Disclosure of Invention
The first purpose of the invention is to provide an endoscope suction button aiming at the defects of poor pressing hand feeling, unreliable rebound or excessive force existing in the adoption of a mechanical button of the suction assembly for the endoscope in the prior art, and the suction button has better suction effect through electromagnetic control; the attraction state is controlled through the key switch, and the pressing hand feeling is good. A second object of the present invention is to provide an endoscope having the aforementioned water gas switching valve.
In order to achieve the first object, the invention adopts the following technical scheme.
An attraction assembly for an endoscope comprises a button assembly and an attraction cavity, wherein a negative pressure interface and an attraction interface are arranged on the attraction cavity; the button assembly comprises a valve core reset through a spring, and the valve core is in sliding fit with the suction cavity so that the negative pressure interface is communicated with or blocked from the suction interface; the button assembly further comprises a shell, a valve rod is arranged in the shell, a sealing element is fixedly connected to the front end of the valve rod and is located in the suction cavity, and the sealing element and the valve rod form the valve core; the spring is connected to the tail end of the valve rod, a direct current electromagnet assembly is further arranged in the shell, and the direct current electromagnet assembly and the valve rod form magnetic coupling; the direct current electromagnet assembly and the spring are respectively used for driving the valve core to move in opposite directions so as to respectively connect and disconnect the negative pressure interface and the attraction interface through the sealing piece; the upper end of the shell is provided with a key switch assembly, and the key switch assembly is used for connecting the direct current electromagnet assembly with a direct current power supply.
According to the invention adopting the technical scheme, the spring and the direct current electromagnet assembly are arranged at the tail end of the valve rod, and the direct current electromagnet assembly and the spring are respectively used for driving the valve core to move in opposite directions so as to respectively connect and block the negative pressure interface and the attraction interface through the sealing piece; the spring is used for keeping a non-attraction state, so that an attraction state that the negative pressure interface is communicated with the attraction interface is formed when the direct current electromagnet assembly is electrified, the attraction assembly forms an electromagnetic control structure, and an operated medical worker can realize attraction operation only by pressing the button.
Preferably, the dc power supply is provided inside the housing. Through set up the power in casing inside, avoid external electric wire, eliminate external power and lead to the hidden danger of trouble, further improve the reliability.
Preferably, the mouth of the suction cavity is connected with a stop block; the rod part of the valve rod passes through the matching hole in the middle of the stop block in a sliding sealing matching manner; the tail end of the valve rod is provided with a limiting disc, and the diameter of the limiting disc is larger than that of the rod part of the valve rod. The positioning structure is reliable in positioning, stable working state or working state is guaranteed, and reliability is improved.
Further preferably, an air inlet passage is formed in the stopper, and the air inlet passage communicates an internal cavity of the suction chamber with an atmospheric environment. The check block space is fully utilized to set a channel externally connected with the atmospheric environment, and the structure compactness is improved.
Still further preferably, the inner cavity of the suction cavity is of a bottle-containing structure, the stopper is located at the bottle mouth, and the sealing member can form a plug for the bottle neck. To form a reliable attraction state and improve reliability.
Preferably, the spring is a compression spring; and the direct current electromagnet assembly drives the valve core to move towards the direction of pushing the spring after being electrified. So as to be conveniently matched with the suction cavity of the bottle-shaped structure, thereby forming a compact and reliable suction structure.
Preferably, the spring is an extension spring; and after the direct current electromagnet assembly is electrified, the valve core is driven to move towards the direction of pulling the spring. So as to form diversified structures, the corresponding suction cavity is inverted in a convex shape, and the air inlet channel is arranged at the bottom or the lower part of the downward bulge of the suction cavity.
In order to achieve the second object, the invention adopts the following technical scheme.
An endoscope includes a suction assembly that achieves the first object.
The endoscope adopting the scheme has the advantages of convenient operation, reliable function and various structural forms due to the adoption of the suction assembly for realizing the first purpose.
The suction assembly has the advantages of simple structure, convenient operation, reliable function, good pressing hand feeling and multiple selectable structural forms; the endoscope has the same beneficial effects as the suction assembly described above.
Drawings
Fig. 1 is a schematic structural view of embodiment 1 of the present invention in a non-attracting state.
Fig. 2 is a schematic drawing showing the configuration of embodiment 1 of the present invention in an attracting state.
Fig. 3 is a schematic structural view of embodiment 2 of the present invention in a non-attracting state.
Fig. 4 is a schematic structural view of embodiment 2 of the present invention in a suction state.
Detailed Description
The present invention is further described with reference to the accompanying drawings, but the invention is not limited thereby within the scope of the described embodiments.
Embodiment 1, referring to fig. 1 and 2, an endoscopic aspiration assembly includes a button assembly 1 and an aspiration cavity 2, wherein a negative pressure port 2a and an aspiration port 2b are provided on the aspiration cavity 2; the button assembly 1 comprises a valve core reset through a spring 6, and the valve core is in sliding fit with the suction cavity 2 to enable the negative pressure port 2a to be communicated with or blocked from the suction port 2 b; the button assembly 1 further comprises a shell, a valve rod 4 is arranged in the shell, a sealing element 3 is fixedly connected to the front end of the valve rod 4, the sealing element 3 is located in the suction cavity 2, and the sealing element 3 and the valve rod 4 form the valve core; the spring 6 is connected to the tail end of the valve rod 4, the direct current electromagnet assembly 5 is further arranged in the shell, and the direct current electromagnet assembly 5 and the valve rod 4 form magnetic coupling; the direct current electromagnet assembly 5 and the spring 6 are respectively used for driving the valve core to move in opposite directions so as to respectively enable the negative pressure port 2a and the suction port 2b to be connected and blocked through the sealing element 3; the upper end of the shell is provided with a key switch component 8, and the key switch component 8 is used for connecting the direct current electromagnet component 5 with the direct current power supply 7.
Wherein the direct current power supply 7 is arranged inside the shell. The mouth of the suction cavity 2 is connected with a stop block 9 through a sinking platform; the rod part of the valve rod 4 passes through a matching hole in the middle of the stop block 9 in a sliding matching mode, and the valve rod 4 and the stop block 9 are connected in a sliding sealing mode through a sealing piece arranged at the position A in the figure 1; the tail end of the valve rod 4 is provided with a limiting disc 4a, and the diameter of the limiting disc 4a is larger than that of the rod part of the valve rod 4.
An air inlet channel 9a is formed on the block 9, and the air inlet channel 9a communicates the internal cavity of the suction cavity 2 with the atmosphere. And the inner cavity of the suction cavity 2 is of a bottle structure, the stop dog 9 is positioned at the bottle mouth part, and the sealing piece 3 can form the blockage of the bottle neck. The spring 6 is a compression spring; after the direct current electromagnet assembly 5 is electrified, the valve core is driven to move towards the direction of pushing the spring 6.
The rest of the structure of this embodiment is the same as embodiment 1, and is not described herein again.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. An endoscope suction assembly comprises a button assembly (1) and a suction cavity (2), wherein a negative pressure interface (2a) and a suction interface (2b) are arranged on the suction cavity (2); the button assembly (1) comprises a valve core reset through a spring (6), and the valve core is in sliding fit with the suction cavity (2) to enable the negative pressure interface (2a) to be communicated or blocked with the suction interface (2 b); the valve is characterized in that the button assembly (1) further comprises a shell, a valve rod (4) is arranged in the shell, a sealing element (3) is fixedly connected to the front end of the valve rod (4), the sealing element (3) is located in the suction cavity (2), and the sealing element (3) and the valve rod (4) form the valve core; the spring (6) is connected to the tail end of the valve rod (4), a direct current electromagnet assembly (5) is further arranged in the shell, and the direct current electromagnet assembly (5) and the valve rod (4) form magnetic coupling; the direct current electromagnet assembly (5) and the spring (6) are respectively used for driving the valve core to move in opposite directions so as to respectively connect and disconnect the negative pressure interface (2a) and the suction interface (2b) through the sealing element (3); the upper end of the shell is provided with a key switch component (8), and the key switch component (8) is used for connecting the direct current electromagnet component (5) with a direct current power supply (7).
2. An endoscopic aspiration module according to claim 1, wherein the dc power supply (7) is provided inside the housing.
3. An endoscopic aspiration assembly according to claim 1 or 2, wherein a stopper (9) is connected to the mouth of the aspiration lumen (2); the rod part of the valve rod (4) passes through the matching hole in the middle of the stop block (9) in a sliding sealing matching manner; a limiting disc (4a) is formed at the tail end of the valve rod (4), and the diameter of the limiting disc (4a) is larger than that of the rod part of the valve rod (4).
4. An endoscopic suction assembly according to claim 3, wherein said stopper (9) is formed with an air intake passage (9a), and the air intake passage (9a) communicates the internal cavity of the suction chamber (2) with the atmosphere.
5. An endoscope suction module according to claim 4, characterized in that the suction chamber (2) has an internal cavity of a bottle-packed configuration, the stopper (9) is located at the mouth of the bottle, and the sealing member (3) is capable of forming a closure for the neck of the bottle.
6. An endoscopic aspiration assembly according to claim 1 or 2, wherein the spring (6) is a compression spring; after the direct current electromagnet assembly (5) is electrified, the valve core is driven to move towards the direction of pushing the spring (6).
7. An endoscopic aspiration assembly according to claim 1 or 2, wherein the spring (6) is an extension spring; after the direct current electromagnet assembly (5) is electrified, the valve core is driven to move towards the direction of pulling the spring (6).
8. An endoscope comprising the suction assembly of any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911237686.5A CN111297306A (en) | 2019-12-05 | 2019-12-05 | Suction assembly for endoscope and endoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911237686.5A CN111297306A (en) | 2019-12-05 | 2019-12-05 | Suction assembly for endoscope and endoscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111297306A true CN111297306A (en) | 2020-06-19 |
Family
ID=71159699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911237686.5A Pending CN111297306A (en) | 2019-12-05 | 2019-12-05 | Suction assembly for endoscope and endoscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111297306A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112515619A (en) * | 2020-11-30 | 2021-03-19 | 华中科技大学鄂州工业技术研究院 | Endoscope capable of automatically cleaning lens |
| EP4026478A1 (en) * | 2021-01-08 | 2022-07-13 | Arctic Ocean Tinore Trade Co., Limited | A suction valve and an endoscope |
| CN115104998A (en) * | 2022-06-30 | 2022-09-27 | 湖南省华芯医疗器械有限公司 | Suction valve assembly, endoscope handle and endoscope |
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|---|---|---|---|---|
| JPH09108178A (en) * | 1995-10-16 | 1997-04-28 | Fuji Photo Optical Co Ltd | Liquid feeder for apparatus for inspecting inside of coelem |
| CN1824912A (en) * | 2006-02-27 | 2006-08-30 | 姜仁忠 | Electrocontrolled permutation cylinder lock |
| TWM330396U (en) * | 2007-09-29 | 2008-04-11 | wen-zhou Chen | Solenoid valve |
| CN201093081Y (en) * | 2007-09-29 | 2008-07-30 | 陈文周 | Electromagnetic valve |
| CN203131167U (en) * | 2013-03-20 | 2013-08-14 | 者渝芸 | Quantitative self-closing valve |
| CN105845481A (en) * | 2016-05-30 | 2016-08-10 | 科德数控股份有限公司 | Magnetic reset button |
| CN106907515A (en) * | 2017-04-05 | 2017-06-30 | 中山市韩汇环保科技有限公司 | Push button magnetic valve |
| CN207624593U (en) * | 2017-12-14 | 2018-07-17 | 北京安航达科技有限公司 | Magnetic suspension button |
| CN208256544U (en) * | 2018-06-19 | 2018-12-18 | 季冉冉 | The magnet mounting structure of magnetic suspension key and the keyboard for using the structure |
| CN209059123U (en) * | 2018-01-23 | 2019-07-05 | 深圳市先赞科技有限公司 | Key pipeline structure for endoscope handle control terminal |
| CN110200577A (en) * | 2019-05-06 | 2019-09-06 | 南京奥亿斯医学科技有限公司 | The valve and endoscope of endoscope |
| CN110584574A (en) * | 2019-09-17 | 2019-12-20 | 重庆金山医疗技术研究院有限公司 | Endoscope operation portion suction structure and endoscope |
-
2019
- 2019-12-05 CN CN201911237686.5A patent/CN111297306A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09108178A (en) * | 1995-10-16 | 1997-04-28 | Fuji Photo Optical Co Ltd | Liquid feeder for apparatus for inspecting inside of coelem |
| CN1824912A (en) * | 2006-02-27 | 2006-08-30 | 姜仁忠 | Electrocontrolled permutation cylinder lock |
| TWM330396U (en) * | 2007-09-29 | 2008-04-11 | wen-zhou Chen | Solenoid valve |
| CN201093081Y (en) * | 2007-09-29 | 2008-07-30 | 陈文周 | Electromagnetic valve |
| CN203131167U (en) * | 2013-03-20 | 2013-08-14 | 者渝芸 | Quantitative self-closing valve |
| CN105845481A (en) * | 2016-05-30 | 2016-08-10 | 科德数控股份有限公司 | Magnetic reset button |
| CN106907515A (en) * | 2017-04-05 | 2017-06-30 | 中山市韩汇环保科技有限公司 | Push button magnetic valve |
| CN207624593U (en) * | 2017-12-14 | 2018-07-17 | 北京安航达科技有限公司 | Magnetic suspension button |
| CN209059123U (en) * | 2018-01-23 | 2019-07-05 | 深圳市先赞科技有限公司 | Key pipeline structure for endoscope handle control terminal |
| CN208256544U (en) * | 2018-06-19 | 2018-12-18 | 季冉冉 | The magnet mounting structure of magnetic suspension key and the keyboard for using the structure |
| CN110200577A (en) * | 2019-05-06 | 2019-09-06 | 南京奥亿斯医学科技有限公司 | The valve and endoscope of endoscope |
| CN110584574A (en) * | 2019-09-17 | 2019-12-20 | 重庆金山医疗技术研究院有限公司 | Endoscope operation portion suction structure and endoscope |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112515619A (en) * | 2020-11-30 | 2021-03-19 | 华中科技大学鄂州工业技术研究院 | Endoscope capable of automatically cleaning lens |
| EP4026478A1 (en) * | 2021-01-08 | 2022-07-13 | Arctic Ocean Tinore Trade Co., Limited | A suction valve and an endoscope |
| CN115104998A (en) * | 2022-06-30 | 2022-09-27 | 湖南省华芯医疗器械有限公司 | Suction valve assembly, endoscope handle and endoscope |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200619 |