Lens structure of laparoscope
By designing the lens protection mechanism of the silicone sleeve and heating wire, the cleaning and maintenance problems of the abdominal endoscope lens are solved, the lens protection and temperature difference comfort are achieved, and the use effect and patient comfort are improved.
Patent Information
- Application Number
- CN202421820584.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-30
- Publication Date
- 2025-07-29
- Estimated Expiration
- 2034-07-30
AI Technical Summary
The existing abdominal endoscopic lens has complex structure and is difficult to clean and maintain, which can easily lead to fuzzy imaging and temperature difference irritates patients with discomfort.
A lens protection mechanism consisting of a silicone sleeve, a hard transparent plate, a transparent glass window, a fixed end, a heating wire, etc. is designed. Using the adsorption and thermal stability of silicone, the heating wire is combined to keep the lens consistent with the human body temperature to prevent temperature difference stimulation.
It improves the convenience of cleaning and maintenance of the lens, avoids blurred imaging, enhances the comfort of use, and reduces the stimulation of the temperature difference.
Smart Images
Figure CN223158353U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of endoscopes, in particular to a lens structure of an abdominal cavity endoscope. Background Art
[0002] An abdominal cavity endoscope is a medical imaging device widely used in the field of clinical medicine. It inserts a slender mirror tube into the abdominal cavity of a patient and uses an optical system to transmit the internal image to a display screen for doctors to observe and diagnose.
[0003] At present, during the use of existing abdominal cavity endoscopes, due to the complex structure of the endoscope lens and the need to enter the human body, its cleaning and maintenance work is particularly important. Improper cleaning or maintenance may cause problems such as blurred lenses and unclear imaging, affecting the effect of surgery or examination during use. Moreover, since the abdominal cavity endoscope needs to be inserted into the human body for use, due to the temperature difference between the mirror tube and the human body temperature, it may cause irritation to the patient's abdominal cavity during insertion, thus causing discomfort to the patient.
[0004] Based on this, the utility model designs a lens structure of an abdominal cavity endoscope to solve the above problems. Content of the Utility Model
[0005] The purpose of the utility model is to solve the deficiencies existing in the prior art and propose a lens structure of an abdominal cavity endoscope.
[0006] To achieve the above purpose, the utility model provides the following technical solution: A lens structure of an abdominal cavity endoscope, including a lens body, an eyepiece, a mirror tube, a lens protection mechanism, and a light guide beam interface. The eyepiece is arranged on the right side of the lens body, the mirror tube is arranged on the left side of the lens body, an objective lens is arranged at the front end of the mirror tube, illumination optical fibers are arranged around the outside of the objective lens, and the lens protection mechanism is arranged on the outside of the mirror tube;
[0007] The lens protection mechanism includes a silica gel sleeve body, a rigid transparent plate, a transparent glass window, a fixed end, a wiring seat, a heating wire, and a plug. The left end of the silica gel sleeve body is fixedly connected to the rigid transparent plate, and the transparent glass window is arranged at the center of the rigid transparent plate.
[0008] As a preferred technical solution of the utility model, the right end of the silica gel sleeve body is provided with a fixed end, limiting grooves are symmetrically opened inside the fixed end, arc-shaped clamping plates are arranged in the limiting grooves, a seat body is arranged on the side wall of the arc-shaped clamping plate, and a screw rod is arranged on the seat body.
[0009] As a preferred technical solution of the present utility model, the screw rod is in threaded connection with the fixed end, and two springs are further arranged on the arc-shaped clamping plate. One end of each of the two springs is connected to the arc-shaped clamping plate, and the other end is connected to the inner wall of the limit groove.
[0010] As a preferred technical solution of the present utility model, a limit block is arranged at one end of the screw rod, a knob is arranged at the other end of the screw rod, and the limit block is movably arranged in the seat body.
[0011] As a preferred technical solution of the present utility model, a wiring seat is arranged at the upper end of the fixed end. The wiring seat is connected to a heating wire, the heating wire is arranged inside the silica gel sleeve body, and a plug is connected to the wiring seat.
[0012] As a preferred technical solution of the present utility model, a socket is arranged above the connection part of the mirror tube and the mirror body, and a light guide beam interface is arranged at the lower end of the mirror body.
[0013] As a preferred technical solution of the present utility model, the plug connected to the wiring seat can be cooperatively connected with the socket on the mirror body.
[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0015] 1. When the present utility model is in use, through the lens protection mechanism sleeved outside the mirror tube, since the lens protection mechanism is made of silica gel material and has good adsorption, flexibility, thermal stability, biocompatibility and other properties, it is not easy to slide when sleeved on the mirror tube for protection, and at the same time, it has good comfort when the endoscope mirror tube enters the human body. The lens protection mechanism protects the tube body of the mirror tube and the lens at the front end of the mirror tube, which is convenient for later cleaning and maintenance, and the lens will not have problems such as blurring and unclear imaging;
[0016] 2. When the present utility model is in use, through the heating wire arranged inside the silica gel sleeve body, when in use, the heating wire is controlled by the wiring seat to generate heat, and the silica gel sleeve body is heated to about 36°C suitable for the human body, which is similar to the human body temperature. After entering the human body, it avoids the stimulation caused by the temperature difference and improves the comfort of the patient. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] The drawings are used to provide further understanding of the present utility model and constitute a part of the specification. Together with the embodiments of the present utility model, they are used to explain the present utility model and do not constitute a limitation to the present utility model. In the drawings:
[0018] Figure 1 is the overall left view structural schematic diagram of the present utility model;
[0019] Figure 2Schematic diagram of the overall right view structure of the present utility model;
[0020] Figure 3 Schematic diagram of the partial enlarged structure of the lens body of the present utility model;
[0021] Figure 4 Schematic diagram of the overall unfolded structure of the present utility model;
[0022] Figure 5 Schematic diagram of the lens protection mechanism structure of the present utility model;
[0023] Figure 6 Schematic diagram of the silica gel sleeve body of the present utility model;
[0024] Figure 7 Schematic diagram of the cross-sectional view of the fixed end of the present utility model;
[0025] Figure 8 Schematic diagram of the cross-sectional view of the arc-shaped clamping plate of the present utility model.
[0026] In the figure: 1. Lens body; 101. Socket; 2. Eyepiece; 3. Lens tube; 301. Objective lens; 302. Illumination optical fiber; 4. Lens protection mechanism; 401. Silica gel sleeve body; 402. Hard transparent plate; 403. Transparent glass window; 404. Fixed end; 4041. Limit groove; 4042. Arc-shaped clamping plate; 4043. Base body; 4044. Screw; 40441. Limit block; 40442. Knob; 4045. Spring; 405. Wiring seat; 406. Heating wire; 407. Plug; 5. Light guide beam interface. Detailed implementation manners
[0027] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying Figure 1-8 , and it is obvious that the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0028] Embodiment
[0029] Please refer to Figure 1 - Figure 8, the present utility model provides the following technical solutions: An abdominal endoscope lens structure, including a lens body 1, an eyepiece 2, a lens tube 3, a lens protection mechanism 4 and a light guide beam interface 5. An eyepiece 2 is provided on the right side of the lens body 1, a lens tube 3 is provided on the left side of the lens body 1, an objective lens 301 is provided at the front end of the lens tube 3, and illumination optical fibers 302 are arranged around the outside of the objective lens 301. A lens protection mechanism 4 is provided on the outside of the lens tube 3. The lens protection mechanism 4 includes a silica gel sleeve body 401, a rigid transparent plate 402, a transparent glass window 403, a fixed end 404, a wiring seat 405, a heating wire 406 and a plug 407. The left end of the silica gel sleeve body 401 is fixedly connected to the rigid transparent plate 402, and the transparent glass window 403 is arranged at the center of the rigid transparent plate 402.
[0030] A fixed end 404 is provided at the right end of the silica gel sleeve body 401. Limiting grooves 4041 are symmetrically opened inside the fixed end 404, arc-shaped clamping plates 4042 are arranged in the limiting grooves 4041, a seat body 4043 is arranged on the side wall of the arc-shaped clamping plate 4042, and a screw rod 4044 is arranged on the seat body 4043.
[0031] The screw rod 4044 is threadedly connected to the fixed end 404. Two springs 4045 are also arranged on the arc-shaped clamping plate 4042. One end of the two springs 4045 is connected to the arc-shaped clamping plate 4042, and the other end is connected to the inner wall of the limiting groove 4041.
[0032] A limiting block 40441 is arranged at one end of the screw rod 4044, a knob 40442 is arranged at the other end of the screw rod 4044, and the limiting block 40441 is movably arranged inside the seat body 4043.
[0033] Through the rigid transparent plate 402 and the transparent glass window 403 provided at the front end of the upper silica gel sleeve body 401, the lens tube 3 and the objective lens 301 are protected without affecting the use of the objective lens 301 and the illumination optical fibers 302, avoiding contamination of the lens tube 3 and the objective lens 301 during use and facilitating later cleaning and maintenance.
[0034] Please refer to Figure 1 、 Figure 3 、 Figure 5 and Figure 6 , a wiring seat 405 is arranged at the upper end of the fixed end 404. The wiring seat 405 is connected to the heating wire 406. The heating wire 406 is arranged inside the silica gel sleeve body 401, and a plug 407 is connected to the wiring seat 405.
[0035] A socket 101 is arranged above the connection between the lens tube 3 and the lens body 1, and a light guide beam interface 5 is arranged at the lower end of the lens body 1.
[0036] The plug 407 connected to the wiring seat 405 can be cooperatively connected with the socket 101 on the lens body 1.
[0037] By inserting the plug 407 into the socket 101, a power source can be provided for the terminal block 405, and through the terminal block 405, the heating temperature of the heating wire 406 can be precisely controlled to heat up the entire silica gel sleeve body 401.
[0038] The working principle and usage process of the present utility model: In specific use, by sleeving the lens protection mechanism 4 on the lens tube 3, making the transparent glass window 403 contact the objective lens 301, then pulling the silica gel sleeve body 401 taut, and screwing the screw rod 4044 into the fixed end 404 to push the arc-shaped clamping plate 4042 towards the tube body of the lens tube 3. Under the action of the two arc-shaped clamping plates 4042, clamping and fixing with the lens tube 3 can be achieved, and thus the lens protection mechanism 4 can be fixedly connected to the lens tube 3. By wrapping and protecting the lens tube 3 with the lens protection mechanism 4, it is convenient for later cleaning and maintenance. Then, insert the plug 407 into the socket 101 to connect to the power supply, and control the heating wire 406 to heat up to 36°C suitable for the human body through the terminal block 405 to heat the silica gel sleeve body 401, so that when the endoscope is in use, it will not cause irritation to the human body due to temperature differences.
[0039] 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 recorded 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 within the protection scope of the present utility model.
Claims
1. An abdominal endoscope lens structure, comprising a lens body (1), an eyepiece (2), a lens tube (3), a lens protection mechanism (4) and a light guide beam interface (5), characterized in that: An eyepiece (2) is provided on the right side of the lens body (1), a lens tube (3) is provided on the left side of the lens body (1), an objective lens (301) is provided at the front end of the lens tube (3), an illumination optical fiber (302) is disposed around the outside of the objective lens (301), and a lens protection mechanism (4) is provided on the outside of the lens tube (3); The lens protection mechanism (4) includes a silica gel sleeve body (401), a hard transparent plate (402), a transparent glass window (403), a fixed end (404), a wiring seat (405), a heating wire (406) and a plug (407). The left end of the silica gel sleeve body (401) is fixedly connected to the hard transparent plate (402), and the transparent glass window (403) is disposed at the center of the hard transparent plate (402).
2. The abdominal cavity endoscope lens structure according to claim 1, characterized in that: A fixed end (404) is provided at the right end of the silica gel sleeve body (401). Limiting grooves (4041) are symmetrically formed inside the fixed end (404). Arc-shaped clamping plates (4042) are disposed in the limiting grooves (4041). A seat body (4043) is provided on the side wall of the arc-shaped clamping plate (4042), and a screw rod (4044) is provided on the seat body (4043).
3. The abdominal cavity endoscope lens structure according to claim 2, characterized in that: The screw rod (4044) is in threaded connection with the fixed end (404). Two springs (4045) are further provided on the arc-shaped clamping plate (4042). One ends of the two springs (4045) are connected to the arc-shaped clamping plate (4042), and the other ends are connected to the inner wall of the limiting groove (4041).
4. The abdominal cavity endoscope lens structure according to claim 2, characterized in that: A limiting block (40441) is provided at one end of the screw rod (4044), a knob (40442) is provided at the other end of the screw rod (4044), and the limiting block (40441) is movably disposed in the seat body (4043).
5. The abdominal cavity endoscope lens structure according to claim 1, characterized in that: A wiring seat (405) is provided at the upper end of the fixed end (404). The wiring seat (405) is connected to the heating wire (406). The heating wire (406) is disposed inside the silica gel sleeve body (401), and a plug (407) is connected to the wiring seat (405).
6. The abdominal cavity endoscope lens structure according to claim 1, characterized in that: A socket (101) is provided above the connection between the lens tube (3) and the lens body (1), and a light guide beam interface (5) is provided at the lower end of the lens body (1).
7. The abdominal cavity endoscope lens structure according to claim 5, characterized in that: The plug (407) connected to the wiring seat (405) can be cooperatively connected with the socket (101) on the lens body (1).