CN214856486U - Electronic endoscope with adjustable focal length - Google Patents

Electronic endoscope with adjustable focal length Download PDF

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Publication number
CN214856486U
CN214856486U CN202121025209.5U CN202121025209U CN214856486U CN 214856486 U CN214856486 U CN 214856486U CN 202121025209 U CN202121025209 U CN 202121025209U CN 214856486 U CN214856486 U CN 214856486U
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seat
adjust
connecting pipe
adjusting
endoscope
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CN202121025209.5U
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Chinese (zh)
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张向新
王跃
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Ruixikang Suzhou Medical Technology Co ltd
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Ruixikang Suzhou Medical Technology Co ltd
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Abstract

The utility model provides a focus adjustable electronic endoscope, include: an endoscope handle; the connecting pipe is connected with the endoscope handle, the camera module is arranged in an inner cavity at the far end of the connecting pipe, and the camera module comprises a lens and a photosensitive electronic component; the focus adjusting part, the focus adjusting part includes twist grip, adjust the pole and adjust the seat, adjust seat and sensitization electronic component fixed connection, the one end and the regulation seat fixed connection of adjusting the pole, the other end of adjusting the pole pass behind connecting pipe and the endoscope handle with twist grip fixed connection, it is equipped with the external screw thread to adjust the seat outside, the inboard of connecting pipe be equipped with adjust the outer external screw thread assorted internal thread of seat, twist grip is used for adjusting the relative connecting pipe rotation of seat through adjusting the pole drive. Through the matching of the focal length adjusting assembly and the connecting pipe, an operator can conveniently and smoothly adjust the relative distance between the lens and the photosensitive electronic assembly in the long and narrow pipeline, so that the operator can observe the lens and the photosensitive electronic assembly more clearly in the operation process.

Description

Electronic endoscope with adjustable focal length
Technical Field
The utility model relates to a medical instrument especially relates to a focus adjustable electronic endoscope.
Background
The endoscope is an optical instrument, consists of an image acquisition assembly, an image transmission system, a screen display system and the like, and can enlarge the operation visual field. The endoscope has the outstanding characteristics of small operation incision, unobvious incision scar, light postoperative reaction, greatly reduced bleeding, bluish purple and swelling time, quicker recovery than the traditional operation, and very accordance with the requirement of beauty surgery without leaving scar.
During the use process of the endoscope, certain positions of the endoscope are observed after being locally enlarged according to clinical requirements so as to clearly find the characteristics of the focus, and meanwhile, the endoscope needs to meet the requirement of a conventional view field angle during examination, so that the endoscope is required to have an optical zooming function. However, since zooming requires adjusting the distance between the lens of the camera module and the photosensitive electronic element, and the image capturing module in the endoscope is disposed at the distal end of the long and narrow tube, it is difficult to adjust, and it is necessary to provide a structure for conveniently adjusting the focal length to solve the above technical problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a focus adjustable electronic endoscope for the operator can conveniently adjust the relative distance between lens and the sensitization electronic component smoothly in long and narrow pipeline through the cooperation of focus adjusting part and connecting pipe, thereby can observe more clearly at the operation in-process.
The technical scheme of the utility model is realized like this:
a focus adjustable electronic endoscope, comprising: an endoscope handle; a connecting tube connected with the endoscope handle; the camera module is arranged in the inner cavity at the far end of the connecting pipe and comprises a lens and a photosensitive electronic component; the focus adjusting part, the focus adjusting part includes twist grip, regulation pole and regulation seat, adjust the seat with sensitization electronic component fixed connection, the one end of adjusting the pole with adjust seat fixed connection, the other end of adjusting the pole passes the connecting pipe with behind the endoscope handle with twist grip fixed connection, it is equipped with the external screw thread to adjust the seat outside, the inboard of connecting pipe be equipped with adjust the outer external screw thread assorted internal thread of seat, twist grip is used for passing through adjust the pole drive it is relative to adjust the seat the connecting pipe rotates.
Furthermore, the photosensitive electronic component comprises an FPC bottom plate and a CMOS sensor, the CMOS sensor is arranged on the FPC bottom plate, and the FPC bottom plate is fixedly connected with the adjusting seat.
Furthermore, the camera module further comprises a fixed seat, and the lens is fixedly connected with the connecting pipe relatively through the fixed seat.
Further, the outer diameter of the rotating handle is larger than the inner diameter of the connecting pipe, and the outer diameter of the adjusting rod is smaller than the inner diameter of the connecting pipe.
Furthermore, the adjusting rod is of a hollow structure, and a line for electrically connecting the photosensitive electronic assembly penetrates through the adjusting rod.
Furthermore, the adjusting seat is provided with at least one through hole, and a circuit for electrically connecting the photosensitive electronic component penetrates through the through hole.
Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
the operator only needs to rotate the twist grip, can adjust the pole and adjust the seat rotation through the drive to advance in the screw-thread fit realization rotation through adjusting seat and connecting pipe and retreat, through the cooperation of focus adjusting part and connecting pipe, make the operator can conveniently adjust the relative distance between lens and the sensitization electronic component smoothly in long and narrow pipeline, thereby can observe more clearly at the operation in-process.
Drawings
FIG. 1 is a schematic diagram of the overall external structure of an embodiment of the present application;
fig. 2 is a structural diagram of a camera module according to an embodiment of the present application;
fig. 3 is a top view of a camera module according to an embodiment of the present disclosure;
FIG. 4 is a perspective view of the internal structure of a focus adjustment assembly of an embodiment of the present application in one position;
FIG. 5 is an enlarged, fragmentary view of the distal end of FIG. 4;
fig. 6 is a perspective view showing the internal structure of the focus adjustment assembly of the embodiment of the present application in another position.
Corresponding reference numerals are as follows:
the endoscope comprises an endoscope handle 1, a connecting pipe 2, a camera module 3, a lens 31, an FPC bottom plate 32, a CMOS sensor 33, a fixed seat 34, a focal length adjusting assembly 4, a rotating handle 41, an adjusting rod 42 and an adjusting seat 43.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
In the description of the present application, it is to be understood that the terms "upper", "lower", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application. In the medical instrument, when an operator uses the medical instrument, the direction close to the operator is the proximal end, and the direction of the operator is the distal end.
Example (b):
in an embodiment of the present application, as shown in fig. 1 to 6, there is described an electronic endoscope with adjustable focal length, comprising:
the connecting pipe 2 is used for connecting the endoscope handle 1, and the connecting mode of the endoscope handle 1 and the connecting pipe 2 is the prior art, and can be direct connection or indirect connection, which is not described again;
further, the present embodiment includes a camera module 3, the camera module 3 is disposed in the inner cavity of the distal end of the connecting tube 2, and the camera module 3 includes a lens 31 and a photosensitive electronic component; when the connecting tube 2 of the endoscope extends into the human body, the reflected light of the internal tissue passes through the lens 31 and then irradiates the photosensitive electronic component through the focusing of the head portrait 31, and the photosensitive electronic component transmits the collected light signal to an external display device to form an image for an operator to observe.
In order to realize the focus of light on sensitization electronic component, in this application, still be equipped with the focus adjustment subassembly of distance between adjusting lens 31 and the sensitization electronic component, the focus adjustment subassembly includes that focus adjustment subassembly 4 includes twist grip 41, adjust pole 42 and regulation seat 43, adjust seat 43 and sensitization electronic component fixed connection, adjust the one end of pole 42 and adjust seat 43 fixed connection, the other end of adjusting pole 42 passes behind connecting pipe 2 and the endoscope handle 1 with twist grip 41 fixed connection, it is equipped with the external screw thread to adjust the seat 43 outside, the inboard of connecting pipe 2 be equipped with adjust the outer external screw thread assorted internal thread of seat 43, twist grip 41 is used for adjusting the relative connecting pipe 2 rotation of seat 43 through adjusting the drive of pole 42. The operator only needs to rotate the twist grip, can adjust the pole and adjust the seat rotation through the drive to advance in the screw-thread fit realization rotation through adjusting seat and connecting pipe and retreat, through the cooperation of focus adjusting part and connecting pipe, make the operator can conveniently adjust the relative distance between lens and the sensitization electronic component smoothly in long and narrow pipeline, thereby can observe more clearly at the operation in-process.
Preferably, in this embodiment, the photosensitive electronic component includes an FPC board 32 and a CMOS sensor 33, and the CMOS sensor 33 is provided on the FPC board 32. The FPC is a Flexible Printed Circuit board; the CMOS is a Complementary Metal-Oxide-Semiconductor (CMOS). Specifically, the FPC board 32 is fixedly connected to the adjusting base 43, so that when the adjusting rod 42 drives the adjusting base 43 to rotate to advance and retreat, the photosensitive electronic component is driven to advance and retreat synchronously, thereby adjusting the distance relative to the lens 31.
Preferably, the lens 31 is fixed relative to the connection tube 2 by the fixing seat 34, and the fixing mode may be that the lens is fixed relative to the connection tube 2 by a connecting piece extending out from the fixing seat 34.
In this embodiment, the outer diameter of the rotating handle 41 is larger than the inner diameter of the connecting pipe 2, and is exposed outside the endoscope handle, so that an operator can conveniently hold and adjust the rotating handle, specifically, the rotating handle may be a rod-shaped structure, in other embodiments, the rotating handle may also be a disc-shaped structure, and the outer surface of the rotating handle is provided with anti-skid lines; and the outer diameter of the adjusting rod 42 is smaller than the inner diameter of the connecting pipe 2, preferably, the ratio of the outer diameter of the adjusting rod 42 to the inner diameter of the connecting pipe 2 is less than 1: 5, so that there is enough space left inside for other elements to be arranged.
It is further preferable that the adjusting rod 42 is a hollow structure, and the line for electrically connecting the optoelectronic components passes through the adjusting rod 42, and the side of the adjusting rod may be provided with an opening, so as to facilitate the further extension of the line, or in other embodiments, the adjusting seat 43 is provided with at least one through hole through which the line for electrically connecting the optoelectronic components passes, so that the line can finally pass through the connecting tube and the handle of the endoscope to be electrically connected with an external display device.
Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
the operator only needs to rotate the twist grip, can adjust the pole and adjust the seat rotation through the drive to advance in the screw-thread fit realization rotation through adjusting seat and connecting pipe and retreat, through the cooperation of focus adjusting part and connecting pipe, make the operator can conveniently adjust the relative distance between lens and the sensitization electronic component smoothly in long and narrow pipeline, thereby can observe more clearly at the operation in-process.
As described above, the present invention has been explained in full in accordance with the gist of the present invention, but the present invention is not limited to the above-described embodiments and implementation methods, and features of the embodiments may be combined with each other without contradiction. The practitioner of the related art can make various changes and implementations within the scope permitted by the technical idea of the present invention.

Claims (6)

1. An adjustable focus electronic endoscope, comprising:
an endoscope handle (1);
the connecting pipe (2), the connecting pipe (2) is connected with the endoscope handle (1);
the camera module (3) is arranged in the inner cavity at the far end of the connecting pipe (2), and the camera module (3) comprises a lens (31) and a photosensitive electronic component;
focus adjusting part (4), focus adjusting part (4) include twist grip (41), adjust pole (42) and adjust seat (43), adjust seat (43) with sensitization electronic component fixed connection, the one end of adjusting pole (42) with adjust seat (43) fixed connection, the other end of adjusting pole (42) passes connecting pipe (2) with endoscope handle (1) back with twist grip (41) fixed connection, it is equipped with the external screw thread to adjust the seat (43) outside, the inboard of connecting pipe (2) be equipped with adjust the outer external screw thread assorted internal thread of seat (43), twist grip (41) are used for passing through adjust pole (42) drive adjust seat (43) relatively connecting pipe (2) rotate.
2. A focus adjustable electronic endoscope according to claim 1, characterized in that the photosensitive electronic assembly comprises an FPC base (32) and a CMOS sensor (33), the CMOS sensor (33) is arranged on the FPC base (32), and the FPC base (32) is fixedly connected to the adjusting seat (43).
3. A focal length adjustable electronic endoscope according to claim 1, characterized in that the camera module (3) further comprises a fixing base (34), and the lens (31) is relatively fixedly connected with the connecting tube (2) through the fixing base (34).
4. The electronic endoscope of claim 1, characterized in that the outer diameter of the rotary handle (41) is larger than the inner diameter of the connecting tube (2), and the outer diameter of the adjusting rod (42) is smaller than the inner diameter of the connecting tube (2).
5. The electronic endoscope of claim 1, characterized in that the adjusting rod (42) is a hollow structure, and the circuit for electrically connecting the photosensitive electronic components passes through the adjusting rod (42).
6. A focus adjustable electronic endoscope according to claim 1, characterized in that the adjustment seat (43) is provided with at least one through hole through which the wiring for electrically connecting the photosensitive electronic components passes.
CN202121025209.5U 2021-05-13 2021-05-13 Electronic endoscope with adjustable focal length Active CN214856486U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121025209.5U CN214856486U (en) 2021-05-13 2021-05-13 Electronic endoscope with adjustable focal length

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121025209.5U CN214856486U (en) 2021-05-13 2021-05-13 Electronic endoscope with adjustable focal length

Publications (1)

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CN214856486U true CN214856486U (en) 2021-11-26

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115054183A (en) * 2022-08-19 2022-09-16 广东欧谱曼迪科技有限公司 Adjustable imaging assembly of 3D endoscope, 3D endoscope and imaging system
CN115736807A (en) * 2022-12-02 2023-03-07 安弗尔(北京)科技有限公司 Abdominal cavity endoscope capable of adjusting working distance and focal length
CN119837472A (en) * 2025-01-21 2025-04-18 安徽树突光学科技有限公司 Endoscope working distance self-adaptive adjustable system, endoscope imaging system and application

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115054183A (en) * 2022-08-19 2022-09-16 广东欧谱曼迪科技有限公司 Adjustable imaging assembly of 3D endoscope, 3D endoscope and imaging system
CN115736807A (en) * 2022-12-02 2023-03-07 安弗尔(北京)科技有限公司 Abdominal cavity endoscope capable of adjusting working distance and focal length
CN115736807B (en) * 2022-12-02 2025-08-29 安弗尔(北京)科技有限公司 A laparoscope with adjustable working distance and focal length
CN119837472A (en) * 2025-01-21 2025-04-18 安徽树突光学科技有限公司 Endoscope working distance self-adaptive adjustable system, endoscope imaging system and application

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