CN116831510B - Nozzle assembly, endoscope front end assembly and endoscope - Google Patents
Nozzle assembly, endoscope front end assembly and endoscope Download PDFInfo
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- CN116831510B CN116831510B CN202311070704.1A CN202311070704A CN116831510B CN 116831510 B CN116831510 B CN 116831510B CN 202311070704 A CN202311070704 A CN 202311070704A CN 116831510 B CN116831510 B CN 116831510B
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- 238000004140 cleaning Methods 0.000 claims abstract description 52
- 239000007788 liquid Substances 0.000 claims abstract description 33
- 238000003780 insertion Methods 0.000 claims description 17
- 230000037431 insertion Effects 0.000 claims description 17
- 238000005507 spraying Methods 0.000 claims description 14
- 238000005406 washing Methods 0.000 claims description 13
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000012530 fluid Substances 0.000 abstract description 10
- 238000005452 bending Methods 0.000 abstract 1
- 238000006073 displacement reaction Methods 0.000 description 21
- 238000000034 method Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 9
- 230000009286 beneficial effect Effects 0.000 description 7
- 239000007921 spray Substances 0.000 description 4
- 210000001124 body fluid Anatomy 0.000 description 3
- 239000010839 body fluid Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 208000008918 voyeurism Diseases 0.000 description 1
Classifications
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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
- A61B1/12—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 with cooling or rinsing arrangements
- A61B1/126—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 with cooling or rinsing arrangements provided with means for cleaning in-use
-
- 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
- A61B1/00142—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 with means for preventing contamination, e.g. by using a sanitary sheath
-
- 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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- 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)
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- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Endoscopes (AREA)
Abstract
The invention discloses a nozzle assembly, an endoscope front end assembly and an endoscope, and relates to the technical field of medical instruments. The nozzle of the nozzle assembly is provided with a first opening and a second opening, the channel switching piece is rotatably arranged between the nozzle and the mounting piece, the nozzle, the channel switching piece and the mounting piece are coaxially arranged, the mounting piece is communicated with the cleaning liquid pipe, the channel switching piece is provided with a switching channel which is communicated along the axial direction of the channel switching piece, the surface of the channel switching piece is also provided with a convex column, the sliding piece is provided with a spiral slot, the convex column is slidably clamped in the spiral slot, the sliding piece is slidably sleeved on the channel switching piece, the channel switching piece is driven to rotate based on the sliding of the sliding piece along the axial direction of the sliding piece, and the switching channel is communicated with the first opening and/or the second opening. The nozzle assembly not only can provide a plurality of cleaning modes, but also has the advantages of no bending of the cleaning fluid flow channel, good cleaning fluid passing performance, good switching stability among the plurality of cleaning modes and simple operation.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a nozzle assembly, an endoscope front end assembly and an endoscope.
Background
Endoscopes are a commonly used medical instrument that can directly access the natural lumen of the human body for examination, providing the physician with adequate diagnostic information. Endoscopes generally include: an insertion part for being inserted into the human body, a handle for controlling the front end of the insertion part to be bent, and a display device for displaying the internal environment of the natural cavity of the human body; the endoscope can realize peeping and focus exploration and treatment of the interior of a human body through the matching of the three parts.
The far end of the insertion part is provided with a lens seat, and the lens seat is used for installing a lens, a light source module and the like, and can shoot image information inside a human body through the lens. Due to the complex environment in the body, the endoscope generally causes the end face of the lens to adhere to body fluid in the process of being inserted into the human body, and the shooting effect is affected. Therefore, the prior art provides an endoscope, and the nozzle assembly is arranged on the lens base of the endoscope, so that the cleaning liquid sprayed out by the nozzle assembly can clean dirt in front of the lens, and the shooting effect of the lens can be improved. However, the inventors found that not only the lens end face adheres to body fluid, but also body fluid such as blood, pus, etc. may exist at the human tissue to be photographed, resulting in that the lens cannot clearly photograph a clear form of the tissue.
Therefore, providing a nozzle assembly that can clean human tissue and lenses based on actual needs is a technical problem that needs to be solved by those skilled in the art.
Disclosure of Invention
The invention discloses a nozzle assembly, an endoscope front end assembly and an endoscope, which are used for solving the technical problem that the nozzle assembly of the endoscope in the related art can only clean a lens.
In order to solve the problems, the invention adopts the following technical scheme:
a first aspect of the invention provides a nozzle assembly.
The invention discloses a nozzle assembly, which is applied to an endoscope, and comprises a nozzle, a mounting part, a channel switching part and a sliding part, wherein the nozzle is provided with a first opening and a second opening, the first opening is used for spraying a lens, the second opening is used for spraying tissues, the channel switching part is rotatably arranged between the nozzle and the mounting part, the nozzle, the channel switching part and the mounting part are coaxially arranged, the mounting part is also communicated with a cleaning liquid pipe, the channel switching part is provided with a switching channel penetrating along the axial direction of the channel switching part, the surface of the channel switching part is also provided with a convex column, the sliding part is provided with a spiral slot, the convex column is slidably clamped in the spiral slot, the sliding part is slidably sleeved on the channel switching part, and the channel switching part is driven to rotate based on the sliding of the sliding part along the axial direction of the sliding part and is communicated with the first opening and/or the second opening; the nozzle assembly further includes a pulling member secured to the outer wall of the slider for applying a proximally directed pulling force to the slider.
Further, the number of the convex columns is at least two, the convex columns are uniformly distributed along the circumferential direction of the channel switching piece, and the number of the spiral grooves is the same as the number of the convex columns.
Further, one of the nozzle proximal end face and the channel switching member distal end face is provided with a first annular groove, and the other is provided with a first annular protrusion, and the first annular groove and the first annular protrusion are clamped with each other; one of the proximal end face of the channel switching member and the distal end face of the mounting member is provided with a second annular groove, and the other is provided with a second annular protrusion, and the second annular groove and the second annular protrusion are clamped with each other.
Further, the nozzle and the outer wall of the mounting piece are respectively provided with a first positioning protrusion and a second positioning protrusion, the endoscope lens seat is provided with mounting holes distributed along the axial direction of the endoscope lens seat, the mounting holes are provided with positioning grooves, and the first positioning protrusions and the second positioning protrusions are clamped and fixed with the positioning grooves.
Further, a guide projection is provided on the slider, the guide projection and the first and second positioning projections are aligned with each other in an axial direction of the slider, and the guide projection is slidably provided in the positioning groove.
Further, a first height of the first positioning protrusion protruding in the radial direction of the nozzle and a second height of the second positioning protrusion protruding in the radial direction of the mounting piece are the same as a depth of the positioning groove recessed in the radial direction of the mounting hole; the guide projection protrudes in the radial direction of the slider by a height smaller than a depth of the positioning groove recessed in the radial direction of the mounting hole.
Further, the nozzle assembly further comprises an elastic member located at a proximal end of the sliding member, the elastic member is configured to apply a distally-directed restoring force to the sliding member, the elastic member is in a compressed state when the pulling member is configured to apply a pulling force to the sliding member, and the elastic member is in a straightened state when the pulling force applied to the sliding member by the pulling member is released.
Further, the outer diameter of the distal end of the nozzle is smaller than the outer diameter of the position where the nozzle is provided with the first positioning protrusion, a first abutting surface is formed on the nozzle, the outer diameter of the distal end of the mounting piece is smaller than the outer diameter of the position where the mounting piece is provided with the second positioning protrusion, a second abutting surface is formed on the mounting piece, and the elastic piece is sleeved between the proximal end face of the sliding piece and the second abutting surface.
A second aspect of the invention provides an endoscope front end assembly.
The endoscope front end assembly comprises a nozzle assembly and a lens seat, wherein the nozzle assembly is the nozzle assembly according to any one of the technical schemes, mounting holes distributed along the axial direction of the lens seat are formed in the lens seat, and the nozzle assembly is mounted in the mounting holes.
A third aspect of the invention provides an endoscope.
The endoscope comprises a handle, an insertion part and a display device, wherein the distal end of the insertion part is provided with the endoscope front end assembly according to any one of the technical schemes, the handle is connected with the insertion part, and the handle is also connected with the display device.
The technical scheme adopted by the invention can achieve the following beneficial effects:
the nozzle assembly is used for being applied to an endoscope, the first opening and the second opening are arranged on the nozzle, the first opening is used for spraying and washing a lens, and the second opening is used for spraying and washing tissues, because the convex column on the surface of the channel switching piece is slidably clamped in the spiral groove of the sliding piece, when the sliding piece slides along the axial direction of the sliding piece, the convex column can be driven to slide in the spiral groove, so that the rotation of the channel switching piece can be realized, the switching channel is communicated with the first opening, or is communicated with the second opening, or is simultaneously communicated with the first opening and the second opening, and then the washing liquid flowing out of the washing liquid pipe can be sprayed out through the first opening, or is sprayed out through the second opening, or is sprayed out through the first opening and the second opening at the same time. The nozzle assembly solves the technical problem that the nozzle assembly of the endoscope in the related art can only clean the lens.
The nozzle assembly drives the channel switching piece to rotate through the sliding of the sliding piece along the axial direction of the nozzle assembly, so that the advantage that the endoscope lens seat has a larger size in the axial direction of the endoscope lens seat can be fully utilized, the sliding piece has enough sliding space, and a cleaning fluid channel formed by the switching channel and the first opening and/or the second opening is not bent, so that the passing performance of cleaning fluid can be improved, and the cleaning effect is improved; on the other hand, the nozzle assembly can control the rotation angle of the channel switching part by controlling the sliding displacement of the sliding part, so as to control the cleaning object of the nozzle.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an exploded view of a preferred embodiment of a nozzle assembly of the present example;
FIG. 2 is a schematic perspective view of a spray lens of a nozzle assembly according to an embodiment of the present application;
FIG. 3 is a bottom view of a nozzle assembly of an embodiment of the present application as it sprays a lens;
FIG. 4 is a schematic perspective view of a nozzle assembly of an embodiment of the present application while simultaneously spraying a lens and tissue;
FIG. 5 is a bottom view of a nozzle assembly of an embodiment of the present application while simultaneously spraying a lens and tissue;
FIG. 6 is a schematic perspective view of a nozzle assembly of an embodiment of the present application for spraying tissue;
FIG. 7 is a bottom view of a nozzle assembly of an embodiment of the present application for spraying tissue;
FIG. 8 is a first perspective view of a nozzle according to an embodiment of the present application;
FIG. 9 is a second perspective view of a nozzle according to an embodiment of the present application;
FIG. 10 is a bottom view of a nozzle of an embodiment of the present application;
FIG. 11 is a schematic perspective view of a mount according to an embodiment of the present application;
FIG. 12 is a first perspective view of a channel switch according to an embodiment of the present application;
FIG. 13 is a second perspective view of a channel switch according to an embodiment of the present application;
FIG. 14 is a bottom view of a channel switch according to an embodiment of the present application;
FIG. 15 is a schematic perspective view of a slider according to an embodiment of the present application;
FIG. 16 is a schematic perspective view of an endoscope front end assembly according to an embodiment of the present application;
FIG. 17 is an enlarged view of portion A of FIG. 16;
FIG. 18 is a schematic perspective view of a base according to an embodiment of the present application;
FIG. 19 is an enlarged view of portion B of FIG. 18;
fig. 20 is a schematic perspective view of an endoscope according to an embodiment of the present application.
In the figure: 10. a nozzle assembly; 11. a nozzle; 111. a first opening; 112. a second opening; 113. a first annular groove; 114. a first positioning protrusion; 115. a first abutment surface; 12. a mounting member; 121. a second annular groove; 122. a second positioning protrusion; 123. a second abutment surface; 13. a channel switching member; 131. switching channels; 132. a convex column; 133. a first annular projection; 134. a second annular projection; 14. a slider; 141. spiral slotting; 141a, a starting point; 141b, endpoint; 142. a guide protrusion; 143. a slider proximal end face; 15. a pulling member; 16. an elastic member; 20. a lens base; 21. a mounting hole; 211. a positioning groove; 212. a receiving groove; 22. a base; 23. a lens; 30. a handle; 40. an insertion portion.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, based on the examples herein, which are within the scope of the invention as defined by the claims, will be within the scope of the invention as defined by the claims.
The terms first, second and the like in the description and in the claims, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged, as appropriate, such that embodiments of the present application may be implemented in sequences other than those illustrated or described herein, and that the objects identified by "first," "second," etc. are generally of a type and not limited to the number of objects, e.g., the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.
In various embodiments of the present application, "proximal" and "distal" refer to the location of the components relative to the user's far and near position in the environment of use, wherein the end closer to the user is designated as "proximal" and the end farther from the user is designated as "distal".
The inventive concept of the present application is: in the prior art, the endoscope can clean dirt in front of the lens through the cleaning liquid sprayed out of the nozzle assembly, so that the shooting effect of the lens is improved, however, the nozzle assembly in the prior art only has one nozzle, and the cleaning of the lens and human tissues cannot be realized at the same time. To above-mentioned problem, the nozzle assembly of this application provides a nozzle with two openings to drive the projection through the slip of control slider along its axial direction and slide in spiral fluting, thereby realize the rotation of passageway switching piece, and then control the cleaning object of nozzle, this kind of scheme not only can provide multiple cleaning mode, but also has the washing liquid runner and does not have the advantage of buckling, control stability is good and easy operation.
The nozzle assembly, the endoscope front end assembly and the endoscope provided in the embodiments of the present application will be described in detail below with reference to fig. 1 to 20 by means of specific embodiments and application scenarios thereof.
The first aspect of the present embodiment provides a nozzle assembly.
The nozzle assembly of the present embodiment is applied to an endoscope, specifically, is provided on the endoscope lens holder 20 at the distal end of the endoscope insertion portion 40, and is provided along the axial direction of the lens holder 20, as shown in fig. 16 to 19. The nozzle assembly of the present embodiment includes a nozzle 11, a mounting member 12, a passage switching member 13, and a slider 14, as shown in fig. 1 to 7.
The nozzle 11 is provided with a first opening 111 for spraying the lens 23 and a second opening 112 for spraying the tissue. Preferably, the liquid outlet of the first opening 111 is disposed on the side of the nozzle 11, the liquid outlet of the second opening 112 is disposed on the end surface of the nozzle 11, and after the nozzle assembly is mounted on the endoscope lens holder 20, the first opening 111 faces the lens 23, and the second opening 112 faces the tissue, as shown in fig. 2, 4, 6, 8, 9, 16 and 17. This arrangement of the first opening 111 and the second opening 112 is beneficial to improving the cleaning effect of the first opening 111 on the lens 23 and also beneficial to improving the cleaning effect of the second opening 112 on tissues. The first opening 111 and the second opening 112 are separated from each other, avoiding a liquid flow of the first opening 111 and the second opening 112. More preferably, the first opening 111 and/or the second opening 112 are arc-shaped openings, so that the liquid has a larger width after being ejected through the first opening 111 and/or the second opening 112, which is beneficial to cleaning a wider range of the lens 23 and/or the tissue. Fig. 2, 4, 6, 8, 9, 16 and 17 show schematic views of the first opening 111 being an arc-shaped opening and the second opening 112 being a circular opening.
The channel switching member 13 is rotatably arranged between the nozzle 11 and the mounting member 12, and the nozzle 11, the channel switching member 13 and the mounting member 12 are coaxially arranged, the mounting member 12 is also communicated with the cleaning liquid pipe, the channel switching member 13 is provided with a switching channel 131 penetrating along the axial direction of the channel switching member 13, the surface of the channel switching member 13 is also provided with a convex column 132, the sliding member 14 is provided with a spiral slot 141, the convex column 132 is slidably clamped in the spiral slot 141, the sliding member 14 is slidably sleeved on the channel switching member 13, the channel switching member 13 is driven to rotate based on the sliding of the sliding member 14 along the axial direction of the sliding member, and the switching channel 131 is communicated with the first opening 111 and/or the second opening 112. Fig. 1 shows an exploded view of a nozzle assembly, fig. 2 to 7 show schematic views of assembled nozzle 11, mounting member 12, channel switching member 13 and sliding member 14, fig. 8 to 10 show schematic views of nozzle 11, fig. 11 shows schematic views of mounting member 12, fig. 12 to 14 show schematic views of channel switching member 13, and fig. 15 shows schematic views of sliding member 14.
The nozzle assembly further comprises a pulling member 15, the pulling member 15 being secured to the outer wall of the slider 14, the pulling member 15 being adapted to apply a proximally directed pulling force to the slider 14, as shown in fig. 1, 2, 4 and 6. Preferably, the pulling member 15 may be a steel wire with high strength, the distal end of the pulling member 15 may be fixed to the outer wall of the sliding member 14 by sleeving or the like, and the proximal end of the pulling member 15 is fixed to the handle 30 of the endoscope, so that a pulling force toward the proximal end is applied to the pulling member 15 by operating the handle 30. The traction piece 15 is fixed on the outer wall of the sliding piece 14, so that the traction piece 15 can be prevented from interfering the flow of the liquid in the cleaning liquid pipe, and the problem that the service life of the traction piece 15 is influenced due to long-term soaking in the liquid can be avoided. It can be known that the protrusion 132 may be disposed on the sliding member 14, the spiral slot 141 may be disposed on the surface of the channel switching member 13, and the related structure may be adaptively adjusted, which may also play a role of driving the channel switching member 13 to rotate based on the sliding of the sliding member 14 along the axial direction thereof.
It is to be understood that only the structures of the respective components are shown in the drawings, and the sizes (such as length, thickness, diameter) and the like of the respective components are not limited to those shown in the drawings, and may be set based on actual demands.
The nozzle 11, the channel switching member 13 and the mounting member 12 are coaxially arranged in this embodiment, which means that after the nozzle 11, the channel switching member 13 and the mounting member 12 are assembled, the central axes of the three are coincident with each other.
The spiral groove 141 in this embodiment means that the groove on the slider 14 is provided in the circumferential direction of the surface of the slider 14, and the distance from the groove start point 141a to the groove end point 141b gradually increases from the proximal end face of the slider 14, as shown in fig. 2, 4, 6 and 15. Specifically, the starting point 141a of the slot is: when the sliding member 14 is at the initial position, the position of the clamping position of the convex column 132 and the slot is provided; the end point 141b of the slot is: when the sliding member 14 slides to the limit position along the axial direction, the position of the clamping connection between the protruding post 132 and the slot is shown in fig. 2, 4, 6 and 15. More specifically, the initial position of the slider 14 refers to the position before the slider 14 slides.
The states of the respective components when the nozzle assembly is in different states are described below. The case where the switching passage 131 is completely communicated with the first opening 111 when the slider 14 is at the initial position is described as an example (without limitation thereto, the state of the switching passage 131 may be any one of completely not communicated with the first opening 111, partially communicated with the first opening 111, completely communicated with the second opening 112, completely not communicated with the second opening 112, partially communicated with the second opening 112, completely communicated with both the first opening 111 and the second opening 112, simultaneously not communicated with both the first opening 111 and the second opening 112, and simultaneously partially communicated with both the first opening 111 and the second opening 112 when the slider 14 is at the initial position).
Specifically, in a normal state, the switching passage 131 on the nozzle assembly is in communication with the first opening 111, that is, the nozzle assembly is in the mode of cleaning the lens 23. When a need for cleaning is changed, the user can adjust the sliding displacement of the slider 14 so that the nozzle assembly is in a mode of simultaneously cleaning the lens 23 and tissue, or a mode of cleaning only tissue. The slide 14 can achieve at least a first sliding displacement and a second sliding displacement, wherein the first sliding displacement < the second sliding displacement. The first sliding displacement is a displacement of the slider 14 from an initial state to just when the nozzle assembly simultaneously washes the tissue and the lens 23; the second sliding displacement is the displacement of the slide 14 from the initial state to just as the nozzle assembly cleans only tissue.
When the nozzle assembly is in the initial state, the boss 132 is clamped to the starting point 141a of the spiral groove 141, and the first opening 111 is completely aligned with the switching channel 131, so that the cleaning fluid entering the mounting member 12 through the cleaning fluid tube can enter the first opening 111 through the switching channel 131, and then flow out from the liquid outlet of the first opening 111 and clean the lens 23, as shown in fig. 2 and 3. Fig. 3 shows a schematic view in which the first opening 111 is completely aligned with the switching channel 131 and the second opening 112 is completely covered by the distal end face of the channel switching member 13.
When the slide member 14 slides proximally from the initial position and the sliding displacement of the slide member 14 is larger than the first sliding displacement and smaller than the second sliding displacement, since the slide member 14 can slide only in the axial direction thereof, the boss 132 can be driven to slide in the direction of the ending point 141b of the spiral groove 141, thereby realizing the rotation of the channel switching member 13, and the switching channel 131 is simultaneously communicated with the first opening 111 and the second opening 112 (at this time, the first opening 111 and the second opening 112 can be completely aligned with the switching channel 131 or partially aligned with the switching channel 131, specifically can be determined based on the dimensions of the switching channel 131, the first opening 111 and the second opening 112 and the sliding position of the slide member 14), so that the cleaning liquid that has entered into the mounting member 12 through the cleaning liquid tube can enter into the first opening 111 and the second opening 112 simultaneously through the switching channel 131, then flow out of the liquid outlet of the first opening 111 and cleaning the lens 23, and also flow out of the liquid outlet of the second opening 112 and cleaning the tissue, as shown in fig. 4 and 5. Fig. 5 shows a schematic view of the first opening 111 and the second opening 112 each partially aligned with the switching channel 131, partially covered by the distal end face of the channel switching member 13. As can be seen from a comparison of fig. 4 and 2, a gap is present between the distal end face of the slide 14 and the first abutment face 115 of the nozzle 11, indicating that the slide 14 has slid.
When the slider 14 slides proximally from the initial position and the sliding displacement of the slider 14 is larger than the second sliding displacement, as well, since the slider 14 can slide only in the axial direction thereof, the boss 132 can be driven to slide in the direction of the end point 141b of the spiral groove 141, thereby realizing the rotation of the channel switching member 13, and at this time the switching channel 131 is only in communication with the second opening 112 (since the second sliding displacement is larger than the first sliding displacement, correspondingly, the rotation angle of the channel switching member 13 is also larger in this state, so that the switching channel 131 can avoid the first opening 111), so that the cleaning liquid introduced into the mounting member 12 through the cleaning liquid tube can enter the second opening 112 through the switching channel 131, and then flow out from the liquid outlet of the second opening 112 and clean the tissue, as shown in fig. 6 and 7. Fig. 7 shows a schematic view in which the second opening 112 is completely aligned with the switching channel 131 and the first opening 111 is completely covered by the distal end face of the channel switching member 13. As can be seen from a comparison of fig. 6 and 4, the gap between the distal end face of the slider 14 and the first abutment face 115 of the nozzle 11 is further increased, indicating that further sliding of the slider 14 occurs.
The nozzle assembly in the above-mentioned scheme is applied to an endoscope, the first opening 111 and the second opening 112 are disposed on the nozzle 11, the first opening 111 is used for spraying and washing the lens 23, the second opening 112 is used for spraying and washing the tissue, because the convex column 132 on the surface of the channel switching member 13 is slidably clamped in the spiral slot 141 of the sliding member 14, when the sliding member 14 slides along the axial direction of the sliding member, the convex column 132 can be driven to slide in the spiral slot 141, thereby realizing the rotation of the channel switching member 13, enabling the switching channel 131 to be communicated with the first opening 111, or communicated with the second opening 112, or simultaneously communicated with the first opening 111 and the second opening 112, and further enabling the washing liquid flowing out from the washing liquid tube to be sprayed out through the first opening 111, or sprayed out through the second opening 112, or sprayed out through the first opening 111 and the second opening 112, that is, namely, the nozzle assembly in this embodiment, through the cooperation of the spiral slot 141 and the convex column 132, a plurality of washing modes are provided, so that a user can wash the lens 23, wash the tissue, or simultaneously wash the tissue, 23 and the tissue, and the image can be clearly detected, thereby being beneficial to the tissue can be accurately detected. Namely, the nozzle assembly of the present embodiment solves the technical problem that the nozzle assembly of the endoscope in the related art can only clean the lens 23.
The nozzle assembly of the present embodiment drives the channel switching member 13 to rotate by sliding the sliding member 14 along the axial direction thereof, so that the advantage of the endoscope lens holder 20 having a larger dimension in the axial direction thereof can be fully utilized, the sliding member 14 has enough sliding space, and the cleaning fluid flow channel formed by the switching channel 131 communicating with the first opening 111 and/or the second opening 112 is not bent, so that the passing performance of the cleaning fluid can be improved, and the cleaning effect is improved; on the other hand, in the nozzle assembly of the present embodiment, the rotation angle of the channel switching member 13 can be controlled by controlling the sliding displacement of the sliding member 14, so as to control the cleaning object of the nozzle 11, since the sliding displacement of the sliding member 14 can be controlled by the magnitude of the tensile force, and the magnitude of the tensile force is relatively stable, and is not easy to fluctuate, and the pulling manner is easy to operate, the solution of controlling the sliding displacement of the sliding member 14 of the present embodiment has the advantages of good stability and simple operation.
According to a preferred embodiment, the number of the bosses 132 is at least two, and the bosses 132 are uniformly distributed in the circumferential direction of the channel switching member 13, and the number of the spiral grooves 141 is the same as the number of the bosses 132. Fig. 13 to 15 show schematic diagrams of two bosses 132, two bosses 132 being located on opposite sides of the channel switching member 13, two spiral grooves 141, and two spiral grooves 141 being located on opposite sides of the sliding member 14. It will be appreciated that the number of lugs 132 and the number of helical grooves 141 may be 3, 4, or even more, and may be determined based on factors such as the outer diameter of the slider 14, the length, the angle of inclination of the helical grooves 141, etc. In the nozzle assembly according to the preferred embodiment, at least two protrusions 132 are uniformly distributed along the circumferential direction of the channel switching member 13, and at least two spiral grooves 141 are uniformly distributed along the circumferential direction of the sliding member 14, so that the balance of the stress of the channel switching member 13 is facilitated in the sliding process of pulling the sliding member 14, and the channel switching member 13 is driven to rotate.
According to a preferred embodiment, one of the proximal end face of the nozzle 11 and the distal end face of the channel switching member 13 is provided with a first annular groove 113, and the other is provided with a first annular projection 133, the first annular groove 113 and the first annular projection 133 being engaged with each other; one of the proximal end face of the channel switching member 13 and the distal end face of the mounting member 12 is provided with a second annular groove 121, and the other is provided with a second annular projection 134, and the second annular groove 121 and the second annular projection 134 are engaged with each other. Fig. 9 to 13 show schematic diagrams of the nozzle 11 provided with a first annular groove 113 on the proximal end face, the channel switching member 13 provided with a first annular projection 133 on the distal end face, the channel switching member 13 provided with a second annular projection 134 on the proximal end face, and the mounting member 12 provided with a second annular groove 121 on the distal end face.
According to the nozzle assembly of the preferred technical scheme of the embodiment, through the arrangement of the first annular groove 113, the first annular protrusion 133, the second annular protrusion 134 and the second annular groove 121, after the nozzle 11, the mounting piece 12 and the channel switching piece 13 are assembled, the first annular protrusion 133 is clamped in the first annular groove 113, and the second annular protrusion 134 is clamped in the second annular groove 121, in this way, not only is the tightness of connection between the channel switching piece 13 and the nozzle 11 and the mounting piece 12 improved, but also the radial sliding of the channel switching piece 13 can be limited when the sliding piece 14 drives the channel switching piece 13 to rotate, so that the coaxiality among the nozzle 11, the mounting piece 12 and the channel switching piece 13 is maintained, and the control precision of the rotation angle of the channel switching piece 13 is improved.
According to a preferred embodiment, the outer walls of the nozzle 11 and the mounting member 12 are respectively provided with a first positioning protrusion 114 and a second positioning protrusion 122, the endoscope lens holder 20 is provided with mounting holes 21 distributed along the axial direction thereof, the mounting holes 21 are provided with positioning grooves 211, and the first positioning protrusion 114 and the second positioning protrusion 122 are clamped and fixed with the positioning grooves 211, as shown in fig. 2, 4, 6, 8-11 and 16-19. Preferably, the first positioning protrusion 114 and the second positioning protrusion 122 are fixed with the positioning groove 211 by gluing. In the nozzle assembly according to the preferred embodiment, the positioning grooves 211 are formed in the mounting hole 21 by providing the first positioning projections 114 and the second positioning projections 122 on the outer walls of the nozzle 11 and the mounting member 12, so that the strength of the nozzle 11 and the mounting member 12 can be maintained. It will be appreciated that locating grooves may be provided on the outer walls of the nozzle 11 and the mounting member 12, and locating protrusions may be provided on the mounting holes 21.
According to the nozzle assembly of the preferred technical scheme of the embodiment, the first positioning protrusion 114 and the second positioning protrusion 122 are clamped and fixed with the positioning groove 211, so that the nozzle 11 and the mounting piece 12 can be fixedly connected to the lens seat 20, when the sliding piece 14 slides along the axial direction of the sliding piece, the mounting piece 12 is fixed on the lens seat 20, so that not only can the rotation of the nozzle 11 and the mounting piece 12 be limited, but also the phenomenon of movement, compression or stretching at the joint of the cleaning liquid pipe and the mounting piece 12 can be avoided, and the stability of the joint of the cleaning liquid pipe and the mounting piece 12 can be maintained when the nozzle assembly is used for a long time, and the problem of falling off at the joint of the cleaning liquid pipe and the mounting piece 12 can be prevented; on the other hand, in the nozzle assembly according to the preferred embodiment, the first opening 111 and the second opening 112 on the nozzle 11 can be positioned by the first positioning protrusion 114, the second positioning protrusion 122 and the positioning groove 211, so that the assembled first opening 111 faces the lens 23 and the assembled second opening 112 faces the tissue.
According to a preferred embodiment, the slide 14 is provided with a guide projection 142, the guide projection 142 and the first and second positioning projections 114 and 122 are aligned with each other in the axial direction of the slide 14, and the guide projection 142 is slidably provided in the positioning groove 211, as shown in fig. 2, 4, 6 and 15. In the nozzle assembly according to the preferred embodiment, the positioning groove 211 not only can be used as a positioning structure for fixing the nozzle 11 and the mounting member 12, but also can be used as a guiding groove of the sliding member 14 by being matched with the guiding protrusion 142, so that the circumferential direction of the sliding member 14 can be limited during the sliding process of the sliding member 14, so that the sliding member 14 only has movement along the axial direction thereof when sliding, and the problem that the switching channel 131 cannot be always aligned with the first opening 111 and/or the second opening 112 when the sliding member 14 slides along the axial direction thereof is avoided.
According to a preferred embodiment, the first height of the first positioning protrusion 114 protruding in the radial direction of the nozzle 11 and the second height of the second positioning protrusion 122 protruding in the radial direction of the mounting member 12 are the same as the depth of the positioning groove 211 recessed in the radial direction of the mounting hole 21, so that the first positioning protrusion 114 and the second positioning protrusion 122 can be completely clamped with the positioning groove 211, that is, the first positioning protrusion 114 and the second positioning protrusion 122 are abutted with the groove bottom of the positioning groove 211, and the stability of the cooperation of the nozzle 11, the mounting member 12 and the mounting hole 21 can be enhanced. The height of the protruding guide projection 142 along the radial direction of the sliding member 14 is smaller than the depth of the recess of the positioning groove 211 along the radial direction of the mounting hole 21, that is, the first height of the protruding guide projection 142 along the radial direction of the sliding member 14 is smaller than the second height of the protruding guide projection 114 along the radial direction of the nozzle 11, and is smaller than the third height of the protruding guide projection 122 along the radial direction of the mounting member 12, when the nozzle assembly is mounted in the mounting hole 21, a certain gap is provided between the protruding guide projection 142 and the positioning groove 211, so that the resistance of the sliding member 14 during sliding can be reduced. Fig. 2 shows a schematic view in which the projection height of the guide projection 142 is smaller than the projection heights of the first positioning projection 114 and the second positioning projection 122.
According to a preferred embodiment, the nozzle assembly further comprises an elastic member 16, the elastic member 16 being located at the proximal end of the sliding member 14, the elastic member 16 being adapted to apply a distally directed restoring force to the sliding member 14, and the elastic member 16 being in a compressed state when the pulling member 15 is adapted to apply a pulling force to the sliding member 14, the elastic member 16 being in a straightened state when the pulling force applied by the pulling member 15 to the sliding member 14 is released, as shown in fig. 1, 2, 4 and 6. Preferably, the elastic member 16 may be a spring.
In the nozzle assembly according to the preferred embodiment, the sliding power can be applied to the sliding member 14 by the pulling member 15, so as to drive the sliding member 14 to slide, and the elastic member 16 is in a compressed state, and then when the pulling force applied by the pulling member 15 is released, the elastic member 16 can be used to drive the sliding member 14 to slide towards the distal end by using the restoring force of the extension of the elastic member 16, so as to restore the sliding member 14.
According to a preferred embodiment, the outer diameter of the distal end of the nozzle 11 is smaller than the outer diameter of the nozzle 11 where the first positioning protrusion 114 is provided, and the nozzle 11 is formed with a first abutment surface 115, the outer diameter of the distal end of the mounting member 12 is smaller than the outer diameter of the mounting member 12 where the second positioning protrusion 122 is provided, and the mounting member 12 is formed with a second abutment surface 123, and the elastic member 16 is sleeved between the proximal end surface of the sliding member 14 and the second abutment surface 123. Proximal end face of slider 14 is shown as slider proximal end face 143 in fig. 2, 4 and 6. When the pulling member 15 applies sliding power to the sliding member 14, the two ends of the elastic member 16 can be limited by the proximal end surface of the sliding member 14 and the second abutting surface 123, so as to push the elastic member 16 to be in a compressed state; when the pulling force applied by the pulling member 15 is released, the elastic member 16 is restored, so that the elastic member 16 can push the sliding member 14 to slide distally to drive the sliding member 14 to restore. Specifically, when the slider 14 is reset, it can be limited by the first abutment surface 115 on the nozzle 11. Fig. 2 shows a schematic view of the elastic member 16 in a natural state, and fig. 4 and 6 show schematic views of the elastic member 16 in different degrees of compression.
The nozzle 11 and the mounting member 12 may have the same outer diameter throughout, but the proximal end of the elastic member 16 may be limited by the second positioning protrusion 122 on the mounting member 12, and the return displacement of the slider 14 may be limited by the first positioning protrusion 114 on the nozzle 11. According to the nozzle assembly of the preferred technical scheme of the embodiment, the elastic piece 16 is limited by the second abutting surface 123, and as the second abutting surface 123 and the proximal end surface of the sliding piece 14 can limit the whole annular surfaces of the distal end and the proximal end of the elastic piece 16, not only can the compression and resetting reliability of the elastic piece 16 be ensured, thereby ensuring the reliability of switching of each state of the nozzle assembly, but also the problem that the service life of the second positioning protrusion 122 is influenced and the matching firmness of the mounting piece 12 and the mounting hole 21 is influenced due to the fact that the proximal end of the elastic piece 16 is limited by the second positioning protrusion 122 can be avoided. Similarly, in the nozzle assembly according to the preferred embodiment, the sliding member 14 is limited by the first abutment surface 115, and since the first abutment surface 115 can limit the entire distal end surface of the sliding member 14, not only the reliability of resetting the sliding member 14 can be ensured, thereby ensuring the reliability of switching between the states of the nozzle assembly, but also the problem that the service life of the first positioning protrusion 114 is affected and the matching firmness of the nozzle 11 and the mounting hole 21 is affected due to the limitation of the distal end of the sliding member 14 by the first positioning protrusion 114 can be avoided.
A second aspect of the present embodiments provides an endoscope front end assembly.
The endoscope front end assembly of the present embodiment includes a nozzle assembly 10 and a lens holder 20, wherein the nozzle assembly 10 is a nozzle assembly according to any one of the embodiments, the lens holder 20 is provided with mounting holes 21 distributed along an axial direction thereof, and the nozzle assembly 10 is mounted in the mounting holes 21, as shown in fig. 16 to 19. The lens mount 20 further includes a mount 22 and a lens 23, the lens 23 is mounted on the mount 22, and the mounting hole 21 is located on the mount 22, as shown in fig. 16 to 19. The base 22 is further provided with a receiving groove 212, and the receiving groove 212 is used for receiving the pulling member 15.
The front end assembly of the endoscope of the embodiment, due to the inclusion of the nozzle assembly of any one of the technical schemes of the embodiment, the front end assembly of the endoscope of the embodiment has a plurality of cleaning modes, and can select a cleaning object based on actual requirements, thereby being beneficial to the lens 23 to shoot clear tissue pictures and improving the accuracy of endoscope detection; on the other hand, when the endoscope front end assembly of the embodiment is in spray washing, the cleaning liquid flow channel is not bent, and the passing property of the cleaning liquid can be improved, so that the cleaning effect is improved, and the endoscope front end assembly has the advantages of being good in stability and simple in operation when a cleaning object is switched.
A third aspect of the present embodiments provides an endoscope.
The endoscope of the present embodiment includes a handle 30, an insertion portion 40, and a display device, wherein the distal end of the insertion portion 40 is provided with the endoscope front end assembly of any one of the aspects of the present embodiment, the handle 30 is connected to the insertion portion 40, and the handle 30 is also connected to the display device, as shown in fig. 20. Preferably, the handle 30 is provided with a structure for fixing the proximal end of the drawing member 15 of the spray assembly, and the channel switching member 13 can be controlled to slide by applying a pulling force to the drawing member 15 towards the proximal end through operating the handle 30. The remaining structure of the handle 30, the insertion portion 40 and the display device may be the same as the prior art, and will not be described again.
The endoscope of the present embodiment may be a disposable endoscope, a limited-time multiplexing endoscope, or an infinite-time multiplexing endoscope. The endoscope of the present embodiment may be a bronchoscope, a nephroscope, a esophagoscope, a gastroscope, a enteroscope, an otoscope, a rhinoscope, a stomatoscope, a laryngoscope, a colposcope, a laparoscope, an arthroscope, or the like. The present embodiment does not particularly limit the kind of endoscope.
The endoscope of the embodiment, because the distal end of the insertion portion 40 is provided with the endoscope front end assembly according to any one of the embodiments, the endoscope of the embodiment has multiple cleaning modes, and can select a cleaning object based on actual requirements, which is beneficial to the lens 23 to shoot clear tissue pictures and improves the accuracy of endoscope detection; on the other hand, the endoscope of the embodiment has the advantages that the cleaning fluid flow channel is not bent, the passing performance of the cleaning fluid can be improved, the cleaning effect is improved, and the endoscope has good stability and simple operation when the cleaning objects are switched.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Furthermore, it should be noted that the scope of the methods and apparatus in the embodiments of the present application is not limited to performing the functions in the order shown or discussed, but may also include performing the functions in a substantially simultaneous manner or in an opposite order depending on the functions involved, e.g., the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention.
Claims (9)
1. A nozzle assembly for an endoscope, characterized in that the nozzle assembly is provided in an axial direction of a lens holder (20) located at a distal end of an insertion portion of the endoscope, the nozzle assembly comprising a nozzle (11), a mounting member (12), a channel switching member (13) and a sliding member (14), wherein,
the nozzle (11) is simultaneously provided with a first opening (111) and a second opening (112), a liquid outlet of the first opening (111) is arranged on the side surface of the nozzle (11), a liquid outlet of the second opening (112) is arranged on the end surface of the nozzle (11), after the nozzle assembly is arranged on the endoscope lens base (20), the first opening (111) faces towards the lens (23), the second opening (112) faces towards the tissue, the first opening (111) is used for spraying and washing the lens, the second opening (112) is used for spraying and washing the tissue,
the channel switching piece (13) is rotatably arranged between the nozzle (11) and the mounting piece (12), the nozzle (11), the channel switching piece (13) and the mounting piece (12) are coaxially arranged, the mounting piece (12) is also communicated with the cleaning liquid pipe,
The channel switching piece (13) is provided with a switching channel (131) penetrating along the axial direction of the channel switching piece, the surface of the channel switching piece (13) is also provided with a convex column (132), the sliding piece (14) is provided with a spiral groove (141), the convex column (132) is slidably clamped in the spiral groove (141), the sliding piece (14) is slidably sleeved on the channel switching piece (13), the channel switching piece (13) is driven to rotate based on the sliding of the sliding piece (14) along the axial direction of the sliding piece, and the switching channel (131) is communicated with the first opening (111) and/or the second opening (112);
the nozzle assembly further comprises a traction piece (15) and an elastic piece (16), wherein the traction piece (15) is fixed on the outer wall of the sliding piece (14), the traction piece (15) is used for applying a pulling force towards the proximal end of the sliding piece (14), the elastic piece (16) is located at the proximal end of the sliding piece (14), the elastic piece (16) is used for applying a restoring force towards the distal end to the sliding piece (14), and when the traction piece (15) is used for applying a pulling force to the sliding piece (14), the elastic piece (16) is in a compressed state, and when the pulling force applied by the traction piece (15) to the sliding piece (14) is released, the elastic piece (16) is in a straightened state.
2. The nozzle assembly according to claim 1, wherein the number of the bosses (132) is at least two, and the bosses (132) are uniformly distributed in the circumferential direction of the passage switching member (13), and the number of the spiral grooves (141) is the same as the number of the bosses (132).
3. A nozzle assembly according to claim 1, wherein one of the nozzle (11) proximal end face and the channel switch (13) distal end face is provided with a first annular groove (113), the other is provided with a first annular projection (133), the first annular groove (113) and the first annular projection (133) are snapped into each other;
one of the proximal end face of the channel switching member (13) and the distal end face of the mounting member (12) is provided with a second annular groove (121), the other is provided with a second annular projection (134), and the second annular groove (121) and the second annular projection (134) are engaged with each other.
4. The nozzle assembly according to claim 1, wherein the outer walls of the nozzle (11) and the mounting member (12) are respectively provided with a first positioning protrusion (114) and a second positioning protrusion (122), mounting holes (21) distributed along the axial direction of the mounting holes are formed in the endoscope lens holder (20), positioning grooves (211) are formed in the mounting holes (21), and the first positioning protrusion (114) and the second positioning protrusion (122) are clamped and fixed with the positioning grooves (211).
5. The nozzle assembly according to claim 4, characterized in that a guide projection (142) is provided on the slider (14), the guide projection (142) and the first positioning projection (114) and the second positioning projection (122) are aligned with each other in an axial direction of the slider (14), and the guide projection (142) is slidably provided in the positioning groove (211).
6. The nozzle assembly according to claim 5, wherein a first height of the first positioning protrusion (114) protruding in a radial direction of the nozzle (11), and a second height of the second positioning protrusion (122) protruding in a radial direction of the mount (12) are each the same as a depth of the positioning groove (211) recessed in a radial direction of the mounting hole (21);
the guide projection (142) protrudes in the radial direction of the slider (14) to a height smaller than the depth of the positioning groove (211) recessed in the radial direction of the mounting hole (21).
7. The nozzle assembly according to any one of claims 1 to 6, wherein the outer diameter of the distal end of the nozzle (11) is smaller than the outer diameter of the nozzle (11) where the first positioning protrusion (114) is provided, and the nozzle (11) is formed with a first abutment surface (115),
The outer diameter of the far end of the mounting piece (12) is smaller than the outer diameter of the position where the second positioning protrusion (122) is arranged on the mounting piece (12), a second abutting surface (123) is formed on the mounting piece (12), and the elastic piece (16) is sleeved between the near end face of the sliding piece (14) and the second abutting surface (123).
8. An endoscope front end assembly, characterized by comprising a nozzle assembly (10) and a lens holder (20), wherein the nozzle assembly (10) is a nozzle assembly according to any one of claims 1 to 7, mounting holes (21) distributed along an axial direction of the lens holder (20) are formed in the lens holder (20), and the nozzle assembly (10) is mounted in the mounting holes (21).
9. An endoscope, characterized by comprising a handle (30), an insertion portion (40) and a display device, wherein the distal end of the insertion portion (40) is provided with the endoscope front end assembly according to claim 8, the handle (30) is connected with the insertion portion (40), and the handle (30) is also connected with the display device.
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| CN202311070704.1A CN116831510B (en) | 2023-08-24 | 2023-08-24 | Nozzle assembly, endoscope front end assembly and endoscope |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109506007A (en) * | 2017-09-15 | 2019-03-22 | 汉斯格罗欧洲公司 | Fluid switching device |
| CN110252535A (en) * | 2019-07-19 | 2019-09-20 | 河南佳易电子科技发展有限公司 | Foam, water spray switching device and foam, water spray dual-purpose integrated spray head |
| CN112137566A (en) * | 2020-09-27 | 2020-12-29 | 山东博达医疗用品股份有限公司 | Bending mechanism for connecting minimally invasive endoscope |
| CN213822607U (en) * | 2020-07-07 | 2021-07-30 | 华中科技大学同济医学院附属协和医院 | Naso-intestinal tube insertion guiding device |
| CN114711703A (en) * | 2022-03-16 | 2022-07-08 | 南京莱曼医学科技有限公司 | Optical fiber lighting process of camera system |
| CN115040063A (en) * | 2022-06-10 | 2022-09-13 | 兰州大学第二医院 | Biliary tract photography catheter system and use method |
| CN217594885U (en) * | 2021-12-30 | 2022-10-18 | 开平市汉顺洁具实业有限公司 | Water route switching structure of water outlet terminal |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012141261A1 (en) * | 2011-04-13 | 2012-10-18 | オリンパスメディカルシステムズ株式会社 | Endoscope |
-
2023
- 2023-08-24 CN CN202311070704.1A patent/CN116831510B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109506007A (en) * | 2017-09-15 | 2019-03-22 | 汉斯格罗欧洲公司 | Fluid switching device |
| CN110252535A (en) * | 2019-07-19 | 2019-09-20 | 河南佳易电子科技发展有限公司 | Foam, water spray switching device and foam, water spray dual-purpose integrated spray head |
| CN213822607U (en) * | 2020-07-07 | 2021-07-30 | 华中科技大学同济医学院附属协和医院 | Naso-intestinal tube insertion guiding device |
| CN112137566A (en) * | 2020-09-27 | 2020-12-29 | 山东博达医疗用品股份有限公司 | Bending mechanism for connecting minimally invasive endoscope |
| CN217594885U (en) * | 2021-12-30 | 2022-10-18 | 开平市汉顺洁具实业有限公司 | Water route switching structure of water outlet terminal |
| CN114711703A (en) * | 2022-03-16 | 2022-07-08 | 南京莱曼医学科技有限公司 | Optical fiber lighting process of camera system |
| CN115040063A (en) * | 2022-06-10 | 2022-09-13 | 兰州大学第二医院 | Biliary tract photography catheter system and use method |
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