Optical zoom focusing microscopic amplification imaging laparoscope
By setting a combined structure of a hollow cylinder, sliding rod and compression spring in the laparoscopic shell, the problems of adaptability and stability of the laparoscopic shell are solved, and the adaptation of housings of different widths and the stable connection of the plugs are achieved.
Patent Information
- Application Number
- CN202421913759.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-08
- Publication Date
- 2025-07-08
- Estimated Expiration
- 2034-08-08
AI Technical Summary
During the assembly process of existing optical zoom focus micromagnification imaging laparoscopy, the distance design connecting the laparoscopic housing needs to be adjusted according to different models, resulting in poor generalization and may cause shaking problems after long-term use.
An optical zoom focus micro-magnification imaging laparoscopy is designed. By setting a hollow cylinder and a sliding rod between the first motherboard and the second motherboard, using the combination of compression spring and limiting plate, adapting the laparoscopic housings of different widths is achieved, and anti-dust blocks and sleeves are provided at the plug and interface to avoid insertion and retraction.
It improves the universality and stability of laparoscopic components, avoids plug reversal and disengagement, and enhances the stability of the connection.
Smart Images
Figure CN223068509U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of laparoscopes, in particular to an optical zoom focusing microscopic magnifying imaging laparoscope. Background Art
[0002] The optical zoom focusing microscopic magnifying imaging laparoscope is an advanced laparoscope system that uses special optical designs and technologies to provide higher imaging quality and more flexible operability.
[0003] The optical zoom focusing microscopic magnifying imaging laparoscopes on the market are roughly divided into three types: a monocular variable magnification 3D laparoscope system with a dual liquid lens, a zoom lens using a liquid lens, and a design of a zoom electronic laparoscope objective optical system. The monocular variable magnification 3D laparoscope system with a dual liquid lens uses a dual liquid lens and can provide variable magnification, close-range observation, and real-time monocular 3D reconstruction. It realizes automatic magnification change and automatic focusing through an optical structure without any physical moving elements. The zoom lens using a liquid lens is a traditional laparoscope optical system, usually composed of about 30 lenses, but their optical magnification is relatively low. In order to magnify tissues during surgical procedures, it is necessary to replace the laparoscope or use a magnification adapter. The design of the zoom electronic laparoscope objective optical system is based on the Gauss zoom formula, and an optical system of a zoom objective is simulated and designed using ZEMAX software. This system has characteristics such as a large field of view, few lens elements, and a simple structure, can magnify the lesion image, and has high practical application value.
[0004] However, during the assembly of the optical zoom focusing microscopic magnifying imaging laparoscopes on the market, there are two main boards for connecting the laparoscope. The distance design between these two main boards needs to be adjusted according to different models of laparoscope housings, which means that the same laparoscope set cannot be installed on different laparoscope housings. It not only has poor versatility but also, after long-term use, the laparoscope set inside the laparoscope housing may shake due to the aging of the components inside the housing, resulting in difficult subsequent focusing. In view of this, an optical zoom focusing microscopic magnifying imaging laparoscope is provided to overcome the above defects. Content of the Utility Model
[0005] The purpose of the utility model is to solve the defects existing in the prior art and propose an optical zoom focusing microscopic magnifying imaging laparoscope.
[0006] To achieve the above object, the present utility model adopts the following technical solutions: An optical zoom focusing microscopic magnifying imaging laparoscope, comprising a first main board, a hollow cylinder is fixedly connected to the top of the first main board, a compression spring is fixedly connected to the lower part inside the hollow cylinder, a limiting plate is fixedly connected to the end of the compression spring away from the hollow cylinder, a sliding rod is fixedly connected to the top of the limiting plate, a second main board is fixedly connected to the end of the sliding rod away from the limiting plate, and a laparoscope body is fixedly connected to the middle of the top of the second main board.
[0007] As a further description of the above technical solution: The edge of the limiting plate is slidably connected to the inner wall of the hollow cylinder, and the outside of the sliding rod is slidably connected to the upper part inside the hollow cylinder. The first main board, the second main board and the laparoscope body can be installed in a non-matching laparoscope housing, enabling the first main board, the second main board and the laparoscope body to adapt to laparoscope housings of different widths, and to a certain extent improving the versatility of the first main board, the second main board and the laparoscope body.
[0008] As a further description of the above technical solution: The number of the hollow cylinders and the sliding rods is three each, and the hollow cylinders and the sliding rods are distributed at the upper left, lower left and lower right positions at the top of the first main board and the bottom of the second main board. The designed three hollow cylinders and sliding rods are not only used to connect the first main board and the second main board, but also prevent the plug connecting the laparoscope body from being blocked by the hollow cylinders and the sliding rods.
[0009] As a further description of the above technical solution: Bolts are screwed at the top of the sliding rod and inside the hollow cylinder. Reserved holes with internal threads are provided inside the first main board and the second main board at the upper left, lower left and lower right positions, and the diameter of the reserved holes and the pitch of the internal threads therein are matched with the cross-sectional diameter of the bolts and the pitch of the external threads on the outside thereof. The hollow cylinder is connected to the first main board and the sliding rod is connected to the second main board by means of bolt connection.
[0010] As a further description of the above technical solution: The diameter of the top of the limiting plate is 1.25 times larger than the diameter of the bottom of the sliding rod. The cross-sectional diameter of the center of the inside of the hollow cylinder is matched with the cross-sectional diameter of the limiting plate, and the cross-sectional diameter of the top of the hollow cylinder is matched with the cross-sectional diameter of the sliding rod, achieving the purpose of allowing the sliding rod to slide up and down inside the hollow cylinder without the sliding rod detaching from the hollow cylinder.
[0011] As a further description of the above technical solution: An interface is fixedly connected to the bottom of the upper right corner of the second main board. Sleeve plates are fixedly connected to the front and rear end faces of the interface. An anti-fooling block is fixedly connected to the upper part inside the sleeve plate. A plug is arranged inside the interface. Connecting rods are fixedly connected to the lower sides of the front and rear ends behind the plug. A plug board is fixedly connected to the end of the connecting rod away from the plug. A spring piece is fixedly connected inside the plug board. A top block is slidably connected to the middle of the outer side inside the plug board. The inner end face of the top block is fixedly connected to the outer end face of the spring piece. The inner side of the sleeve plate is slidably connected to the outer side of the plug board. The bottom of the anti-fooling block is slidably connected to the top of the plug board. The outer side of the top block contacts the inside of the sleeve plate, which can prevent the plug from being inserted reversely when the plug is inserted into the interface. Sleeve plates with anti-fooling blocks are arranged on the left and right sides of the interface, and only allow the plug to be inserted forward, and cannot be inserted further in the reverse direction.
[0012] As a further description of the above technical solution: A square through groove is opened on the outer side of the lower part inside the sleeve plate, and the shape of the through groove matches the longitudinal section shape of the top block. The top block can be stuck by the through groove on the outer end face of the sleeve plate, avoiding the situation that the plug is separated from the interface when it is easily subjected to an outward pulling force, and improving the stability between the plug and the interface to a certain extent.
[0013] The utility model has the following beneficial effects:
[0014] The optical zoom focus microscopic magnifying imaging laparoscope designed by the utility model, through design cooperation, enables the device to install the first main board, the second main board and the laparoscope body in a non-matching laparoscope housing, that is, the width inside the laparoscope housing cannot meet the overall height of the first main board, the second main board and the laparoscope body. The hollow cylinder on the top of the first main board is sleeved outside the sliding rod at the bottom of the second main board. Through the compression spring connected between the hollow cylinder and the sliding rod, the first main board, the second main board and the laparoscope body can be adapted to different widths of the laparoscope housing, improving the versatility of the first main board, the second main board and the laparoscope body to a certain extent. And the first main board and the second main board are tightly attached to the inside of the laparoscope housing due to the characteristic that the compression spring rebounds outward, effectively avoiding the situation that the first main board, the second main board and the laparoscope body shake inside the laparoscope housing, and improving the stability of the first main board, the second main board and the laparoscope body inside the laparoscope housing to a certain extent.
[0015] The optical zoom focus microscopic magnifying imaging laparoscope designed by the utility model, through design cooperation, enables the device to avoid the situation that the plug is inserted reversely when the plug is inserted into the interface. Sleeve plates with anti-fooling blocks are arranged on the left and right sides of the interface, and only allow the plug to be inserted forward, and cannot be inserted further in the reverse direction. At the same time, a top block supported by a spring piece is arranged on the outer end face of the plug board. The top block can be stuck by the through groove on the outer end face of the sleeve plate, avoiding the situation that the plug is separated from the interface when it is easily subjected to an outward pulling force, and improving the stability between the plug and the interface to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 is a schematic diagram of the overall structure of the present utility model;
[0017] Figure 2 is a schematic diagram of the longitudinal section of the hollow cylinder of the present utility model with an exploded structure;
[0018] Figure 3 is a schematic diagram of the separated structure of the interface and the plug of the present utility model;
[0019] Figure 4 is a schematic diagram of the cross-sectional structure of the plug board of the present utility model.
[0020] Legend Explanation:
[0021] 1. First main board; 2. Hollow cylinder; 3. Sliding rod; 4. Second main board; 5. Laparoscope body; 6. Sleeve board; 7. Plug; 8. Compression spring; 9. Limiting plate; 10. Interface; 11. Anti-fooling block; 12. Link rod; 13. Plug board; 14. Top block; 15. Spring piece. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0022] Referring to Figures 1 to 4 , an optical zoom and focus microscopic magnification imaging laparoscope provided by the present utility model includes a first main board 1. The top of the first main board 1 is fixed with a hollow cylinder 2 by bolts. A compression spring 8 is welded below the inner part of the hollow cylinder 2. One end of the compression spring 8 away from the hollow cylinder 2 is welded with a limiting plate 9. The top of the limiting plate 9 is welded with a sliding rod 3. One end of the sliding rod 3 away from the limiting plate 9 is fixed with a second main board 4 by bolts. The middle of the top of the second main board 4 is provided with a laparoscope body 5. The edge of the limiting plate 9 is slidably connected with the inner wall of the hollow cylinder 2, and the outside of the sliding rod 3 is slidably connected with the upper part inside the hollow cylinder 2, which can make the first main board 1, the second main board 4 and the laparoscope body 5 adapt to laparoscope shells with different widths, and to a certain extent improve the versatility of the first main board 1, the second main board 4 and the laparoscope body 5.
[0023] As a further implementation of the above technical solution: The number of both the hollow cylinder 2 and the sliding rod 3 is three, and the hollow cylinder 2 and the sliding rod 3 are distributed at the upper left, lower left, and lower right positions at the top of the first main board 1 and the bottom of the second main board 4, which can install the first main board 1, the second main board 4 and the laparoscope body 5 in a non-matching laparoscope shell, and can make the first main board 1, the second main board 4 and the laparoscope body 5 adapt to laparoscope shells with different widths, and to a certain extent improve the versatility of the first main board 1, the second main board 4 and the laparoscope body 5.
[0024] As a further implementation of the above technical solution: Bolts are helically connected to the top of the sliding rod 3 and inside the hollow cylinder 2. Reserved holes with internal threads are provided inside the first main board 1 and the upper left, lower left, and lower right positions of the second main board 4. The caliber of the reserved holes and the pitch of the internal threads therein are both matched with the cross-sectional diameter of the bolts and the pitch of the external threads on the outside thereof. The designed three hollow cylinders 2 and sliding rods 3 are not only used to connect the first main board 1 and the second main board 4, but also prevent the plug 7 connecting the laparoscope body 5 from being blocked by the hollow cylinders 2 and the sliding rods 3.
[0025] As a further implementation of the above technical solution: The diameter of the top of the limiting plate 9 is 1.25 times larger than the diameter of the bottom of the sliding rod 3. The cross-sectional caliber at the center inside the hollow cylinder 2 is matched with the cross-sectional diameter of the limiting plate 9, and the cross-sectional caliber at the top of the hollow cylinder 2 is matched with the cross-sectional diameter of the sliding rod 3, achieving the purpose of allowing the sliding rod 3 to slide up and down inside the hollow cylinder 2 without detaching the sliding rod 3 from the hollow cylinder 2.
[0026] As a further implementation of the above technical solution: An interface 10 is provided at the bottom of the upper right corner of the second main board 4. Sleeve plates 6 are provided on the front and rear end faces of the interface 10. An anti-fooling block 11 is welded above the inside of the sleeve plate 6. The plug 7 is inserted into the interface 10. Link rods 12 are welded to the lower sides of the front and rear ends behind the plug 7. An insertion plate 13 is welded to the end of the link rod 12 away from the plug 7. A spring piece 15 is welded inside the insertion plate 13. The middle of the outside of the insertion plate 13 is penetrated and slid by a top block 14. The inner end face of the top block 14 is fixedly connected to the outer end face of the spring piece 15. The inside of the sleeve plate 6 is slidably connected to the outside of the insertion plate 13. The bottom of the anti-fooling block 11 is slidably connected to the top of the insertion plate 13. The outside of the top block 14 contacts the inside of the sleeve plate 6, which can prevent the plug 7 from being inserted reversely when the plug 7 is inserted into the interface 10. Sleeve plates 6 with anti-fooling blocks 11 are provided on the left and right sides of the interface 10, allowing the plug 7 to be inserted only in the correct direction and preventing further insertion in the reverse direction.
[0027] As a further implementation of the above technical solution: A square through groove is provided on the outside of the lower part inside the sleeve plate 6, and the shape of the through groove is matched with the longitudinal section shape of the top block 14. The top block 14 can be stuck by the through groove on the outer end face of the sleeve plate 6, preventing the plug 7 from being detached from the interface 10 when it is easily subjected to an outward pulling force, and improving the stability between the plug 7 and the interface 10 to a certain extent.
[0028] Working principle:
[0029] When using the present utility model, take out three hollow cylinders 2 and sliding rods 3. The sliding rods 3 are inside the hollow cylinders 2 and cannot be separated. Then, contact the bottom of the hollow cylinder 2 with the top of the first main board 1, and contact the top of the sliding rod 3 with the bottom of the second main board 4. Then take out three bolts and insert them directly into the hollow cylinder 2 and the sliding rod 3 respectively from the bottom of the first main board 1 and the top of the second main board 4. At this time, the hollow cylinder 2 and the sliding rod 3 support the first main board 1 and the second main board 4. Then insert the plug 7 into the interface 10 at the bottom of the second main board 4. When the plug 7 is inserted into the interface 10, the connecting rods 12 at the front and rear ends of the plug 7 drive the plug board 13 to be about to be inserted into the sleeve plates 6 on the left and right sides of the interface 10. If the position of the plug 7 is opposite to that of the interface 10, the plug board 13 will directly contact the anti-fooling block 11 inside the sleeve plate 6, resulting in the plug 7 being unable to be inserted into the interface 10. If the position of the plug 7 matches that of the interface 10, the plug board 13 is directly inserted into the sleeve plate 6. At this time, the top block 14 on the outer end face of the plug board 13 is squeezed by the inside of the sleeve plate 6, driving the spring piece 15 to retract into the plug board 13, and the spring piece 15 deforms until the plug board 13 is completely inserted into the sleeve plate 6. After that, the top block 14 is also inserted into the through groove opened on the outer side of the inside of the sleeve plate 6 under the rebound of the spring piece 15. At this time, the plug 7 is fixed. Install the first main board 1, the second main board 4 and the laparoscope body 5 together in the laparoscope housing. Squeeze the first main board 1 and the second main board 4 into the laparoscope housing. The hollow cylinder 2 and the sliding rod 3 connecting the first main board 1 and the second main board 4 start to slide. The sliding rod 3 slides towards the inner bottom of the hollow cylinder 2 under the restriction of the limiting plate 9, and the compression spring 8 deforms until the first main board 1, the second main board 4 and the laparoscope body 5 are completely covered by the laparoscope housing, which means the installation is completed.
[0030] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.
Claims
1. An optical zoom focusing microscopic magnifying imaging laparoscope, comprising a first main board (1), characterized in that: A hollow cylinder (2) is fixedly connected to the top of the first main board (1). A compression spring (8) is fixedly connected to the lower part inside the hollow cylinder (2). One end of the compression spring (8) away from the hollow cylinder (2) is fixedly connected to a limit plate (9). A sliding rod (3) is fixedly connected to the top of the limit plate (9). One end of the sliding rod (3) away from the limit plate (9) is fixedly connected to a second main board (4). A laparoscope body (5) is fixedly connected to the middle of the top of the second main board (4).
2. The optical zoom focusing microscopic magnifying imaging laparoscope according to claim 1, wherein: The edge of the limit plate (9) is slidably connected to the inner wall of the hollow cylinder (2), and the outer side of the sliding rod (3) is slidably connected to the upper part inside the hollow cylinder (2).
3. An optical zoom focusing microscopic magnifying imaging laparoscope according to claim 1, characterized in that: The number of the hollow cylinders (2) and the sliding rods (3) is three each, and the hollow cylinders (2) and the sliding rods (3) are distributed at the upper left, lower left, and lower right positions on the top of the first main board (1) and the bottom of the second main board (4).
4. An optical zoom focusing microscopic magnifying imaging laparoscope according to claim 1, characterized in that: Bolts are screwed inside the top ends of the sliding rods (3) and inside the hollow cylinders (2). Reserved holes with internal threads are opened inside the first main board (1) and at the upper left, lower left, and lower right positions of the second main board (4). The caliber of the reserved holes and the pitch of the internal threads inside are matched with the cross-sectional diameter of the bolts and the pitch of the external threads outside respectively.
5. An optical zoom focusing microscopic magnifying imaging laparoscope according to claim 1, characterized in that: The diameter of the top of the limit plate (9) is 1.25 times larger than the diameter of the bottom of the sliding rod (3). The cross-sectional caliber at the center inside the hollow cylinder (2) is matched with the cross-sectional diameter of the limit plate (9), and the cross-sectional caliber at the top of the hollow cylinder (2) is matched with the cross-sectional diameter of the sliding rod (3).
6. The optical zoom focusing microscopic magnifying imaging laparoscope according to claim 1, wherein: An interface (10) is fixedly connected to the bottom of the upper right corner of the second main board (4). Sleeve plates (6) are fixedly connected to the front and rear end faces of the interface (10). An anti-fooling block (11) is fixedly connected to the upper part inside the sleeve plate (6). A plug (7) is arranged inside the interface (10). Connecting rods (12) are fixedly connected to the lower sides of the front and rear ends of the plug (7) at the back. A plug board (13) is fixedly connected to the end of the connecting rod (12) away from the plug (7). A spring piece (15) is fixedly connected to the inside of the plug board (13). A top block (14) is slidably connected to the middle of the outer side inside the plug board (13). The inner end face of the top block (14) is fixedly connected to the outer end face of the spring piece (15). The inner side of the sleeve plate (6) is slidably connected to the outer side of the plug board (13). The bottom of the anti-fooling block (11) is slidably connected to the top of the plug board (13). The outer side of the top block (14) is in contact with the inside of the sleeve plate (6).
7. An optical zoom focusing microscopic magnifying imaging laparoscope according to claim 6, characterized in that: A square through groove is opened at the outer side of the lower part inside the sleeve plate (6), and the shape of the through groove is matched with the longitudinal section shape of the top block (14).