CN213551622U - Pipe pin and endoscope device comprising same - Google Patents
Pipe pin and endoscope device comprising same Download PDFInfo
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- CN213551622U CN213551622U CN202021771420.7U CN202021771420U CN213551622U CN 213551622 U CN213551622 U CN 213551622U CN 202021771420 U CN202021771420 U CN 202021771420U CN 213551622 U CN213551622 U CN 213551622U
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Abstract
This the utility model discloses a solve the problem that medical instrument field exists, provide a pipe round pin and including its endoscope device, this pipe round pin includes: pipe sleeve; the end cover comprises a first transparent end cover and a second transparent end cover, one end of the first transparent end cover is connected with one end of the pipe sleeve, the end face, far away from the pipe sleeve, of the first transparent end cover comprises an outer connecting area and a space avoiding area, the second transparent end cover is arranged on the outer connecting area, the camera shooting piece can penetrate through the inner cavity of the first transparent end cover and is arranged in the inner cavity of the second transparent end cover, and the light source piece can be arranged in the inner cavity of the first transparent end cover corresponding to the space avoiding area. The utility model discloses a pipe pin is provided with the transparent end shield of second of the first transparent end shield of protrusion, and the setting of the piece of making a video recording is in the transparent end shield of second, can make the mirror surface of the piece of making a video recording in the pipe pin exceed the lamp face of light source spare to it is more clear to make the formation of image of the piece of making a video recording.
Description
Technical Field
The utility model relates to a medical instrument, in particular to a pipe pin and an endoscope device comprising the same.
Background
In the conventional endoscope apparatus, a pin is attached to an endoscope insertion tube. Therefore, when the endoscope device is used, only the pipe pin needs to be replaced, the endoscope device does not need to be disinfected repeatedly, the service life of the endoscope is prolonged, and the medical cost is reduced.
The end face of the tail end of the existing pipe pin is a plane, so that the mirror surface of the camera shooting piece at the tail end of the pipe pin and the lamp surface of the light source piece are basically in the same plane, and light emitted by the light source piece is easy to scatter or is directly received by the camera shooting piece after being reflected by the pipe wall of the pipe pin, so that the imaging quality of the camera shooting piece is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a tube pin can make the mirror surface of the piece of making a video recording in the tube pin exceed the lamp face of light source spare to it is more clear to make the formation of image of the piece of making a video recording.
According to the utility model discloses pipe pin of first aspect embodiment includes: pipe sleeve; the end cover comprises a first transparent end cover and a second transparent end cover, one end of the first transparent end cover is connected with one end of the pipe sleeve, the first transparent end cover is far away from the end face of the pipe sleeve and comprises an outer connecting area and a clearance area, the second transparent end cover is arranged on the outer connecting area, the camera shooting piece can penetrate through the inner cavity of the first transparent end cover and is arranged in the inner cavity of the second transparent end cover, and the light source piece can be arranged in the inner cavity of the first transparent end cover corresponding to the clearance area.
According to the utility model discloses pipe pin of first aspect embodiment has following technological effect at least: the tail end of the original pipe pin, namely the first transparent end cover, protrudes outwards to form a second transparent end cover, the camera shooting piece is arranged in the inner cavity of the second transparent end cover, the light source piece is arranged in the inner cavity of the first transparent end cover corresponding to the space avoiding area, so that the mirror surface of the camera shooting piece in the pipe pin is higher than the lamp surface of the light source piece, and the imaging of the camera shooting piece is clearer.
According to some embodiments of the invention, the second transparent end shield has a height of 0.5mm to 1 mm.
According to some embodiments of the present invention, the inner wall of the tube pin is provided with a limiting convex portion protruding inward, and the limiting convex portion is used for connecting a limiting concave portion of the endoscope insertion tube.
According to some embodiments of the utility model, still include the sleeve pipe fixing base, the sleeve pipe fixing base sets up the other end of pipe box, the sleeve pipe fixing base can be fixed the pipe round pin is fixed on the endoscope device.
According to the utility model discloses pipe pin of second aspect embodiment includes: pipe sleeve; the end cover comprises a first transparent end cover and a second transparent end cover, one end of the first transparent end cover is connected with one end of the pipe sleeve, the end face, far away from the pipe sleeve, of the first transparent end cover comprises an external connection area and a clearance avoiding area, the second transparent end cover is arranged on the external connection area, and the camera can penetrate through the inner cavity of the first transparent end cover and is arranged in the inner cavity of the second transparent end cover; and the light source part is arranged in the pipe wall of the pipe pin where the clearance area is located.
According to the utility model discloses pipe pin of second aspect embodiment has following technological effect at least: the tail end of the original pipe pin, namely the first transparent end cover, protrudes outwards to form a second transparent end cover, the camera shooting piece is arranged in the inner cavity of the second transparent end cover, the light source piece is arranged in the pipe wall where the clearance area is located, so that the mirror surface of the camera shooting piece in the pipe pin is higher than the lamp surface of the light source piece, the imaging of the camera shooting piece is clearer, and the light source piece is integrated on the pipe pin, so that the use is more convenient.
According to a third aspect of the present invention, an endoscope apparatus includes: the aforementioned tube pin; an endoscope insertion tube having one end provided with the light source piece and the image pickup piece, the one end of the endoscope insertion tube being for insertion into the tube pin; and the endoscope handle is connected with the other end of the endoscope insertion tube.
According to the endoscope device of the third aspect of the present invention, at least the following technical effects are provided: the endoscope device uses the pipe pin, so that the mirror surface of the camera shooting piece is higher than the lamp surface of the light source piece, and the image of the camera shooting piece is clearer.
According to some embodiments of the present invention, the endoscope insertion tube includes a snake bone structure and a tube body, one end of the snake bone structure is connected to the tube body, and the other end of the snake bone structure is provided with the image pickup element and the light source element.
According to some embodiments of the utility model, the light source spare is provided with a plurality ofly, the light source spare encircles the camera piece circumference distributes.
According to a fourth aspect of the present invention, an endoscope apparatus includes: the aforementioned tube pin; an endoscope insertion tube having one end provided with the light source piece and the image pickup piece, the one end of the endoscope insertion tube being for insertion into the tube pin; the endoscope handle is connected with the other end of the endoscope insertion tube and is connected with the sleeve fixing seat.
According to the endoscope device of the fourth aspect of the present invention, at least the following technical effects are obtained: the endoscope device uses the pipe pin, so that the mirror surface of the camera shooting piece is higher than the lamp surface of the light source piece, the image of the camera shooting piece is clearer, and the pipe pin is fixed on the handle of the endoscope, so that the installation and the fixation of the pipe pin are facilitated.
According to a fifth aspect of the present invention, an endoscope apparatus includes: the aforementioned tube pin; an endoscope insertion tube, one end of which is provided with the imaging piece and which is used for being inserted into the tube pin; and the endoscope handle is connected with the other end of the endoscope insertion tube.
According to the endoscope device of the fifth aspect of the present invention, at least the following technical effects are provided: the endoscope device uses the pipe pin, so that the mirror surface of the camera shooting piece is higher than the lamp surface of the light source piece, the image of the camera shooting piece is clearer, and the endoscope insertion pipe does not need to be provided with the light source piece, so that the structure of the endoscope device is simplified.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic view of a pipe pin and an enlarged view of the end of the pipe pin according to an embodiment of the present invention;
FIG. 2 is a schematic view of an endoscope body and an enlarged view of the distal end of an insertion tube of an endoscope in accordance with an embodiment of the present invention;
FIG. 3 is a schematic view of the entire assembly of an endoscopic device and an enlarged perspective view of the distal end of the endoscopic device in accordance with an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of a terminal end of a pipe pin according to a second embodiment of the present invention;
fig. 5 is a schematic view of a snake bone structure of an endoscope device according to an embodiment of the present invention.
Reference numerals: a pipe sleeve 100;
the end cover 200, the first transparent end cover 210, the external connection area 211, the clearance area 212 and the second transparent end cover 220;
a limit protrusion 300;
a sleeve holder 400;
a limiting recess 500;
an endoscope insertion tube 600, a light source 610, a lamp surface 611, an imaging element 620, a mirror surface 621, a snake bone structure 630, and a tube main body 640;
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the positional or orientational descriptions, such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "tip", "inner", "outer", "axial", "radial", "circumferential", etc., are the positional or orientational relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. In the description of the present invention, the side wall means the left side wall and/or the right side wall.
In the description of the present invention, "a plurality" means two or more, "more than", "less than", "more than" and the like are understood as excluding the number, "more than", "below", "within" and the like are understood as including the number. If the description of "first" and "second" is used for the purpose of distinguishing technical features, the description is not intended to indicate or imply relative importance or to implicitly indicate the number of the indicated technical features or to implicitly indicate the precedence of the indicated technical features.
In the description of the present invention, it should be understood that "a is disposed on B" merely represents the connection relationship between a and B, and does not represent that a is above B.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. "bolted" and "screwed" are equally interchangeable. To those of ordinary skill in the art, the specific meaning of the above terms in the present invention can be understood in combination with the specific situation.
Referring to fig. 1 to 4, a pipe pin according to an embodiment of the present invention includes: a pipe sleeve 100; the end cover 200 comprises a first transparent end cover 210 and a second transparent end cover 220, one end of the first transparent end cover 210 is connected with one end of the pipe sleeve 100, the end face, far away from the pipe sleeve 100, of the first transparent end cover 210 comprises an outer connection area 211 and a clearance area 212, the second transparent end cover 220 is arranged on the outer connection area 211, the camera 620 can penetrate through the inner cavity of the first transparent end cover 210 and be arranged in the inner cavity of the second transparent end cover 220, and the light source 610 can be arranged in the inner cavity of the first transparent end cover 210 corresponding to the clearance area 212.
It will be appreciated that the connection between tube sleeve 100 and end cap 200 and the connection between first transparent end cap 210 and second transparent end cap 220 may be integrally formed, or may be fixedly connected, such as by a snap connection, a fusion bond, a threaded connection, etc., so long as the connection between tube sleeve 100 and end cap 200 and the connection between first transparent end cap 210 and second transparent end cap 220 are secure and sealed. It will also be appreciated that the shapes of the sleeve 100, the first transparent end cap 210, and the second transparent end cap 220 need not all be a body of revolution, but other shapes are possible, such as a rectangular parallelepiped, a pyramid, and the like. It can also be understood that the first transparent end cap 210 and the second transparent end cap 220 are made of transparent materials, such as plastic, acrylic, polypropylene, and the like, so that the light emitted from the light source 610 can penetrate through the wall of the tube pin and the camera 620 can receive the light reflected from the outside of the tube pin, on this basis, the materials of the first transparent end cap 210 and the second transparent end cap 220 can be selected from materials with high light transmittance and low reflection, thereby increasing the light transmittance of the tube pin and improving the imaging quality of the camera 620.
Referring to fig. 1, 2 and 4, in some embodiments of the present invention, the height of the second transparent end cap 220 is 0.5mm to 1 mm.
When the mirror surface 621 of the camera element 620 and the lamp surface 611 of the light source element 610 are disposed adjacent to the inner wall of the tube pin, the height of the second transparent end cap 220 is 0.5mm to 1mm, so that the mirror surface 621 of the camera element 620 and the lamp surface 611 of the light source element 610 are spaced apart by approximately 0.5mm to 1 mm. This distance allows the camera 620 to receive more and more accurately the light reflected from the object surface irradiated by the light source 610, while minimizing the above-mentioned adverse effect of the light source 610 on the camera 620.
Referring to fig. 1 to 3, in some embodiments of the present invention, the inner wall of the pipe pin is provided with a limiting protrusion 300 protruding inwards, and the limiting protrusion 300 is used to connect with a limiting recess 500 of an endoscope insertion pipe 600.
When the endoscope insertion tube 600 is inserted into the tube pin, the limiting convex part 300 of the tube pin can play an axial limiting role: when the lower end of the limit convex part 300 of the tube pin abuts against the lower end of the limit convex part 300 of the endoscope insertion tube 600, the limit concave part 500 is blocked by the limit convex part 300, the endoscope insertion tube 600 cannot move upwards continuously, that is, the endoscope insertion tube 600 is blocked and cannot be inserted into the tube pin continuously, so that the mirror surface 621 of the camera piece 620 at the tail end of the endoscope insertion tube 600 and the lamp surface 611 of the light source piece 610 cannot directly contact with the inner surface of the tube wall, and the camera piece 620 and the light source piece 610 are protected. Moreover, after the endoscope is completely inserted into the tube pin, the limiting convex part 300 of the tube pin can also play a role in limiting circumferentially, so that the tube pin is limited by the endoscope insertion tube 600 and cannot rotate randomly, and the normal operation of the endoscope insertion tube 600 is influenced.
Referring to fig. 1 to 3, in some embodiments of the present invention, a sleeve fixing base 400 is further included, the sleeve fixing base 400 is disposed at the other end of the sleeve 100, and the sleeve fixing base 400 can fix the pipe pin on the endoscope apparatus.
The sleeve holder 400 serves as a fixing means for fixing the tube pin to the endoscope apparatus. It is understood that the sleeve holder 400 and the endoscopic device may be directly connected by various connecting means such as a snap connection, a screw connection, a suction cup connection, etc. It will also be appreciated that the sleeve may be attached to the endoscope insertion tube 600, or to the endoscope handle 700, as shown in fig. 3, the endoscope handle 700 is provided with a sleeve mount 710, and the sleeve mount 400 is connected to the sleeve mount 710. The sleeve holder 400 is funnel-shaped to allow the endoscope insertion tube 600 to be more easily inserted into the tube pin.
Referring to fig. 3 and 4, a pipe pin according to an embodiment of the second aspect of the present invention includes: a pipe sleeve 100; the end cover 200 comprises a first transparent end cover 210 and a second transparent end cover 220, one end of the first transparent end cover 210 is connected with one end of the pipe sleeve 100, the end face, far away from the pipe sleeve 100, of the first transparent end cover 210 comprises an external connection area 211 and a clearance avoiding area 212, the second transparent end cover 220 is arranged on the external connection area 211, and the camera 620 can penetrate through the inner cavity of the first transparent end cover 210 and is arranged in the inner cavity of the second transparent end cover 220; and the light source part 610 is arranged in the pipe pin pipe wall where the clearance area 212 is positioned.
The tube pin is substantially the same as the tube pin of the first embodiment, except that the light source 610 is integrated into the tube pin, and the light source 610 is disposed in the tube wall of the clearance area 212. The tube pin is arranged in such a way, except that the camera 620 is arranged in the inner cavity of the second transparent end cover 220, and the light source element 610 is arranged in the tube wall where the clearance area 212 is located, so that the mirror surface 621 of the camera 620 in the tube pin is higher than the lamp surface 611 of the light source element 610, and the image of the camera 620 is clearer, and the light source element 610 is integrated on the tube pin, so that the endoscope is simplified conveniently, the cost is saved, and the tube pin is suitable for some special cases. The light source device 610 may be installed by reacting and emitting light by applying an external force to the object in the light source device 610 or by mixing and reacting the objects in the light source device 610 by means of a press-breaking method, etc., according to the principle of a fluorescent bar.
Referring to fig. 1 to 3, an endoscope apparatus according to an embodiment of a third aspect of the present invention includes: the above-described pipe pin; an endoscope insertion tube 600, one end of the endoscope insertion tube 600 being provided with a light source unit 610 and an image pickup unit 620, one end of the endoscope insertion tube 600 being for insertion into a tube pin; the endoscope handle 700 is connected to the other end of the endoscope insertion tube 600.
The endoscope apparatus includes a tube pin, an endoscope insertion tube 600, and an endoscope handle 700, the endoscope insertion tube 600 having a substantially circular tube shape, a light source unit 610 and an image pickup unit 620 provided at one end, and the other end connected to the endoscope handle 700. When the endoscope is needed to be used, the endoscope insertion tube 600 can be inserted into the tube pin, the tube pin plays a role in isolating and protecting the endoscope insertion tube 600, and after the endoscope insertion tube 600 is used, the endoscope insertion tube 600 does not need to be sterilized additionally and only needs to be replaced by the tube pin. In the present embodiment, the light surface 611 of the light source 610 in the original endoscope insertion tube 600 is substantially in the same plane as the mirror surface 621 of the camera 620, and the camera 620 of the endoscope protrudes outward, so that the mirror of the camera 620 is higher than the light surface 611 of the light source 610, and the tube pin end cap 200 is also modified to a shape suitable for the end of the endoscope insertion tube 600, so that when the endoscope apparatus is used, the light emitted from the light source 610 is not easily scattered or directly received by the camera 620 after being reflected by the tube wall of the tube pin, so that the image of the camera 620 is clearer.
Referring to fig. 2, 3 and 5, in some embodiments of the present invention, the endoscope insertion tube 600 includes a snake bone structure 630 and a tube body 640, one end of the snake bone structure 630 is connected to the tube body 640, and the other end of the snake bone structure 630 is provided with a camera 620 and a light source 610.
The snake bone structure 630 is provided so that the front end portion of the endoscope insertion tube 600 can be bent to be better inserted into the pin, and the pin can be driven to be bent in synchronization when the endoscope insertion tube 600 is completely inserted into the pin, thereby allowing the camera 620 to photograph more places.
Referring to fig. 2 and 4, in some embodiments of the present invention, the light source unit 610 is provided in a plurality, and the light source unit 610 is circumferentially distributed around the camera 620.
The light source units 610 are provided in two numbers, and are circumferentially distributed around the image pickup unit 620. It is understood that more light source elements 610 may be provided, such as three, four, etc., all distributed around the circumference of the camera element 620. Such setting for the light that light source 610 whole launches is more even, complete, the scope is wide, refers to the setting of shadowless lamp, can be so that the shooting effect of camera piece 620 is better, and the user can see more clearly through camera piece 620.
Referring to fig. 1 to 3, an endoscope apparatus according to a fourth aspect of the present invention includes: the above-described pipe pin; an endoscope insertion tube 600, one end of the endoscope insertion tube 600 being provided with a light source unit 610 and an image pickup unit 620, one end of the endoscope insertion tube 600 being for insertion into a tube pin; the endoscope handle 700 is connected to the other end of the endoscope insertion tube 600, and the endoscope handle 700 is connected to the sleeve holder 400.
The endoscope apparatus according to the third aspect of the present invention is substantially the same, except that the endoscope handle 700 is connected to the sleeve holder 400, and it can be understood that the sleeve holder 400 and the endoscope handle 700 may be directly connected in various manners such as snap connection, screw connection, and suction cup connection. The sleeve fixing seat 400 is connected to the endoscope handle 700, the installation space of the endoscope handle 700 is large, the pipe pin is not easy to fall off when being installed on the endoscope handle 700, and a user can conveniently install or detach the pipe pin. In this embodiment, the endoscope handle 700 is provided with a cannula mount 710, and the cannula holder 400 is connected to the cannula mount 710.
Referring to fig. 3 and 4, an endoscope apparatus according to a fifth aspect of the present invention includes: the pipe pin of the second aspect of the present invention; an endoscope insertion tube 600, one end of the endoscope insertion tube 600 being provided with an image pickup element 620, one end of the endoscope insertion tube 600 being for insertion into a tube pin; the endoscope handle 700 is connected to the other end of the endoscope insertion tube 600.
The endoscope insertion tube 600 is basically the same as the endoscope device according to the third aspect of the present invention, except that the light source unit 610 does not need to be installed, and the light source unit 610 is directly integrated on the tube pin, so that the structure of the endoscope device can be simplified, and the size of the endoscope insertion tube 600 can be appropriately reduced, so that the endoscope can more easily detect the situation inside the living body.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (10)
1. A pin for an endoscope apparatus having an image pickup element and a light source element, comprising:
pipe sleeve;
the end cover comprises a first transparent end cover and a second transparent end cover, one end of the first transparent end cover is connected with one end of the pipe sleeve, the first transparent end cover is far away from the end face of the pipe sleeve and comprises an outer connecting area and a clearance area, the second transparent end cover is arranged on the outer connecting area, the camera shooting piece can penetrate through the inner cavity of the first transparent end cover and is arranged in the inner cavity of the second transparent end cover, and the light source piece can be arranged in the inner cavity of the first transparent end cover corresponding to the clearance area.
2. A pipe pin according to claim 1, wherein the second transparent end cap has a height of 0.5mm to 1 mm.
3. The pipe pin of claim 1, wherein the inner wall of the pipe pin is provided with a limiting convex part protruding inwards, and the limiting convex part is used for connecting with a limiting concave part of an endoscope insertion pipe.
4. A tube pin according to claim 1, further comprising a sleeve holder, said sleeve holder being disposed at the other end of said sleeve, said sleeve holder being capable of securing said tube pin to said endoscopic device.
5. A tube pin for use with an endoscopic device having a camera, comprising:
pipe sleeve;
the end cover comprises a first transparent end cover and a second transparent end cover, one end of the first transparent end cover is connected with one end of the pipe sleeve, the end face, far away from the pipe sleeve, of the first transparent end cover comprises an external connection area and a clearance avoiding area, the second transparent end cover is arranged on the external connection area, and the camera can penetrate through the inner cavity of the first transparent end cover and is arranged in the inner cavity of the second transparent end cover;
and the light source part is arranged in the pipe wall of the pipe pin where the clearance area is located.
6. An endoscopic device, comprising:
a pipe pin according to any one of claims 1 to 4;
an endoscope insertion tube having one end provided with the light source piece and the image pickup piece, the one end of the endoscope insertion tube being for insertion into the tube pin;
and the endoscope handle is connected with the other end of the endoscope insertion tube.
7. The endoscope apparatus according to claim 6, wherein said endoscope insertion tube comprises a serpentine structure and a tube body, one end of said serpentine structure being connected to said tube body, the other end of said serpentine structure being provided with said image pickup means and said light source means.
8. An endoscopic device as defined in claim 6, wherein said light source unit is provided in plurality, said light source unit being circumferentially distributed around said image pickup unit.
9. An endoscopic device, comprising:
the pipe pin of claim 4;
an endoscope insertion tube having one end provided with the light source piece and the image pickup piece, the one end of the endoscope insertion tube being for insertion into the tube pin;
the endoscope handle is connected with the other end of the endoscope insertion tube and is connected with the sleeve fixing seat.
10. An endoscopic device, comprising:
the pipe pin of claim 5;
an endoscope insertion tube, one end of which is provided with the imaging piece and which is used for being inserted into the tube pin;
and the endoscope handle is connected with the other end of the endoscope insertion tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021771420.7U CN213551622U (en) | 2020-08-21 | 2020-08-21 | Pipe pin and endoscope device comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021771420.7U CN213551622U (en) | 2020-08-21 | 2020-08-21 | Pipe pin and endoscope device comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213551622U true CN213551622U (en) | 2021-06-29 |
Family
ID=76557380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021771420.7U Active CN213551622U (en) | 2020-08-21 | 2020-08-21 | Pipe pin and endoscope device comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213551622U (en) |
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2020
- 2020-08-21 CN CN202021771420.7U patent/CN213551622U/en active Active
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