Endoscope tip seat assembly based on optical fiber conduction and endoscope device

By introducing a guide adhesive groove and imaging optical component channel structure into the endoscope end mount assembly, combined with a serpentine docking and socket limiting structure, the problems of unclear fiber positioning and insufficient bonding firmness are solved, thereby improving the assembly efficiency and functional stability of the endoscope.

CN224557444UActive Publication Date: 2026-07-28YI JING YI LIAO (CHANG ZHOU) YOU XIAN GONG SI
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
YI JING YI LIAO (CHANG ZHOU) YOU XIAN GONG SI
Filing Date
2025-08-29
Publication Date
2026-07-28

AI Technical Summary

Technical Problem

The existing disposable endoscopes have an unclear end-fiber positioning structure, resulting in low assembly efficiency, insufficient bonding strength, and affecting the stability of the fiber optic guiding function.

Method used

An endoscope end mount assembly based on fiber optic transmission is designed. It adopts a guide dispensing groove and imaging optical component channel structure, combined with a serpentine docking structure and a sleeve limiting structure to achieve directional foolproof connection, increase the bonding area and improve the bonding strength.

Benefits of technology

It significantly improves the assembly efficiency and functional stability of the endoscope end mount, enhances the fixing firmness of the fiber optic cable and camera module, and ensures the stability of fiber optic light guiding and the illumination effect of the endoscope.

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Abstract

The utility model discloses an end part seat subassembly and endoscope device based on optical fiber conduction, which comprises: end part seat base body structure, including the butt joint of fixed connection and the mirror end part of setting, the butt joint's outside is provided with the guide point gum groove, the mirror end part is provided with the imaging optical assembly hole that corresponds with the guide point gum groove intercommunication, imaging optical assembly structure, through the guide point gum groove and extends to the imaging optical assembly hole. The end part seat of endoscope in the prior art is not reasonable for optical fiber positioning, which leads to low assembly efficiency, poor connection stability between the end part seat and the optical fiber, and low function stability.
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Description

Technical Field

[0001] This utility model relates to the field of endoscope technology, and more specifically, to an endoscope end mount assembly and endoscope device based on optical fiber transmission. Background Technology

[0002] Currently, with the continuous development and increasing maturity of endoscopic equipment, disposable endoscopes are being used more and more widely for various tissue examinations, playing a key role in clinical diagnosis and treatment.

[0003] In existing technologies, the endcaps of disposable endoscopes mostly use LED light sources, meaning the light source is usually directly located at the end of the endoscope. While this can meet inspection needs to some extent, it results in high costs associated with disposable endoscopes. Meanwhile, some disposable endoscopes employ fiber optic light guiding designs. However, due to the lack of a suitable positioning structure for the fiber optics, the assembly process is cumbersome and prone to errors. Operators struggle to accurately and efficiently assemble the endcaps, severely impacting production efficiency. Furthermore, the lack of a specially designed optimized structure in the fiber optic bonding process results in a small bonding area between the fiber optics and functional modules in the endcap, leading to insufficient bonding strength. This can cause the fiber optics to loosen or detach during use, affecting the stability of the fiber optic light guiding function and reducing the endoscope's illumination effect. Utility Model Content

[0004] To address these issues, this invention provides an endoscope endplate assembly and endoscope device based on optical fiber transmission, thereby solving problems such as unclear fiber positioning structure, low assembly efficiency, and insufficient bonding strength in existing endoscope endplates, thus improving overall installation adaptability and functional stability.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] An endoscope end mount assembly based on fiber optic transmission includes:

[0007] The end base structure includes a docking part and a microscopic examination end that are fixedly connected; the outer side of the docking part is provided with a guide adhesive groove, and the microscopic examination end is provided with an imaging optical component channel that corresponds to and communicates with the guide adhesive groove;

[0008] An imaging optical component structure includes an optical fiber and a camera module for providing illumination and image acquisition functions; and the optical fiber and the camera module extend through the guide adhesive groove and are inserted into the imaging optical component channel.

[0009] Based on the above technical solution, the present invention is further described as follows:

[0010] As a further embodiment of this utility model,

[0011] The guide dispensing groove includes an optical fiber dispensing groove and a module dispensing groove.

[0012] The imaging optical component apertures include fiber optic apertures and module apertures;

[0013] Both the fiber optic dispensing groove and the module dispensing groove are configured as groove structures extending in a straight line from the docking portion toward the microscopic examination end; the fiber optic hole is connected to the fiber optic dispensing groove, and the module hole is connected to the module dispensing groove.

[0014] The optical fiber extends through the optical fiber dispensing groove and is inserted into the optical fiber hole, and the camera module extends through the module dispensing groove and is inserted into the module hole.

[0015] As a further embodiment of this utility model, it also includes: a snake-bone docking structure;

[0016] The imaging optical component structure is disposed inside the snake-bone docking structure;

[0017] The end of the snake-bone docking structure is sleeved and connected to the docking part of the end seat base structure.

[0018] As a further embodiment of this utility model,

[0019] Limiting protrusions are provided on the outer side of the docking part;

[0020] A limiting slot is provided at the end of the snake bone docking structure;

[0021] The limiting slot and the limiting protrusion are connected by a directional snap-fit.

[0022] As a further embodiment of this utility model,

[0023] The limiting protrusion is located on the opposite side of the guide dispensing groove.

[0024] As a further aspect of this utility model, it also includes:

[0025] The clamp tube structure is disposed inside the snake bone docking structure;

[0026] The end base structure has an instrument channel that runs through the interior of the docking part and the microscopic end, and the instrument channel is located on one side of the imaging optical component channel.

[0027] The end of the clamp tube structure is connected to the instrument channel.

[0028] As a further aspect of this utility model, it also includes:

[0029] The alignment tube structure has its two ends embedded and fixedly connected to the inner wall of the instrument channel and the inner wall of the clamp channel tube structure, respectively.

[0030] As a further aspect of this utility model, it also includes:

[0031] The socket limiting structure includes a first limiting part;

[0032] The first limiting part is configured as an integral annular protrusion located on the outer side between the docking part and the microscopic end, and the first limiting part is abutted and connected to the end position of the snake bone docking structure.

[0033] As a further embodiment of this utility model,

[0034] The socket limiting structure further includes:

[0035] The second limiting part is configured as an annular protrusion protruding from the inner wall of the instrument channel, and the second limiting part is abutted and connected to one end of the alignment tube structure embedded in the instrument channel.

[0036] An endoscope device includes the aforementioned fiber optic-based endoscope end mount assembly.

[0037] This utility model has the following beneficial effects:

[0038] This component and device can be coupled with the serpentine docking structure through the end base structure to form a directional, foolproof connection structure with assembly direction limitation, thus serving as the standardized assembly basis for end-piece endoscopic components. Furthermore, by optimizing the end base structure and imaging optical component structure design, and incorporating guiding adhesive grooves and through-hole structures, the imaging optical component structure can be precisely assembled along a specific path, and features an open UV irradiation channel, significantly increasing the bonding area and curing efficiency, and enhancing bonding strength and stability. In addition, the use of a sleeve-type limiting structure in conjunction with the alignment tube structure significantly improves the overall alignment accuracy between the serpentine docking structure, the clamp tube structure, and the end base structure 1, further ensuring the assembly compatibility and structural robustness of the components, improving overall assembly efficiency, and enhancing the reliability and practicality of the device. Attached Figure Description

[0039] To more clearly illustrate the embodiments of this utility model or the technical solutions in the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below. The structures, proportions, sizes, etc., drawn in this specification are only used to complement the content disclosed in the specification, so that those skilled in the art can understand and read them. Any modifications to the structure, changes in the proportional relationships, or adjustments to the size, without affecting the effects and purposes that this utility model can produce, should still fall within the scope of the technical content disclosed in this utility model.

[0040] Figure 1 This is a schematic diagram of the overall structure of the endoscope end mount assembly based on optical fiber transmission provided in an embodiment of the present invention, corresponding to one side direction.

[0041] Figure 2 This is a schematic diagram of the assembly structure of the end-seat base structure and the sleeve limiting structure in the endoscope end-seat assembly based on optical fiber transmission provided in this embodiment of the utility model.

[0042] Figure 3 This is a schematic diagram of the overall structure of the endoscope end mount assembly based on optical fiber transmission provided in an embodiment of the present invention, corresponding to the other side direction.

[0043] Figure 4 A schematic diagram of the assembly structure of the imaging optical component in the endoscope end mount assembly based on optical fiber transmission provided in this embodiment of the utility model.

[0044] Figure 5 This is a schematic diagram showing the overall state of the endoscope end mount assembly based on optical fiber transmission provided in this embodiment of the present invention after assembly.

[0045] Figure 6 A schematic diagram of the internal structure of an endoscope end mount assembly based on optical fiber transmission provided in an embodiment of this utility model.

[0046] The attached diagram lists the components represented by each number as follows:

[0047] 1-End seat base structure: 11-Instrument channel, 12-Dating part, 121-Limiting protrusion, 122-Guide dispensing groove, 1221-Fiber optic dispensing groove, 1222-Module dispensing groove, 13-Microscopic examination end, 131-Imaging optical component channel, 1311-Fiber optic hole, 1312-Module hole;

[0048] 2-Snake-bone docking structure: 21-Limiting slot;

[0049] 3-Pinnel body structure;

[0050] 4-Imaging optical component structure: 41-Fiber optic cable, 42-Camera module;

[0051] 5-Socket limiting structure: 51-First limiting part; 52-Second limiting part;

[0052] 6- Alignment tube structure. Detailed Implementation

[0053] The following specific embodiments illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0054] The terms "upper," "lower," "left," "right," and "middle" used in this specification are merely for clarity of description and are not intended to limit the scope of implementation of this utility model. Any changes or adjustments to their relative relationships, without substantially altering the technical content, shall also be considered within the scope of implementation of this utility model.

[0055] like Figures 1 to 6 As shown, this utility model embodiment provides an endoscope end mount assembly based on fiber optic transmission, including an end mount base structure 1, a serpentine docking structure 2, a clamping tube structure 3, an imaging optical component structure 4, a sleeve limiting structure 5, and an alignment tube structure 6. The end mount base structure 1 and the serpentine docking structure 2 cooperate to form a directional, foolproof assembly design with assembly direction limitation, thus serving as the mounting basis for the endoscope end examination assembly. By optimizing the architectural design of the end mount base structure 1 and the imaging optical component structure 4, the installation compatibility between the imaging optical component structure 4 and the end mount base structure 1 can be improved, and the bonding area can be effectively increased, thereby enhancing the bonding and positioning firmness of the imaging optical component structure 4 corresponding to the end mount base structure 1. Furthermore, the use of the socket limiting structure 5 in conjunction with the alignment tube structure 6 significantly improves the overall alignment accuracy between the snake-bone docking structure 2, the clamp tube structure 3, and the end base structure 1. This further enhances the assembly compatibility and overall robustness of the components, optimizes installation efficiency, and strengthens the functionality and practicality of the device. Specific settings are as follows:

[0056] Please refer to Figure 1 and Figure 2The end base structure 1 includes a docking portion 12 and an examination end portion 13 fixedly connected together, and an instrument channel 11 is provided through the interior of the docking portion 12 and the examination end portion 13. The outer surface of the docking portion 12 is provided with a limiting protrusion 121 for assembly positioning and a guide adhesive groove 122 for guiding and bonding the imaging optical component structure 4. The examination end portion 13 is provided with an imaging optical component channel 131 corresponding to and communicating with the guide adhesive groove 122, and the imaging optical component channel 131 is located on one side of the instrument channel 11. The imaging optical component structure 4 can extend along the guide adhesive groove 122 and be inserted into the imaging optical component channel 131, forming a predetermined insertion positioning space. Simultaneously, the guide adhesive groove 122 facilitates adhesive application and increases the bonding area, thereby enhancing the positioning stability of the imaging optical component structure 4 in the end base structure 1.

[0057] For details, please refer to Figure 2 and Figure 4 The guiding adhesive groove 122 includes an optical fiber adhesive groove 1221 and a module adhesive groove 1222. The imaging optical component channel 131 includes an optical fiber hole 1311 and a module hole 1312. The imaging optical component structure 4 includes an optical fiber body 41 and a camera module 42. Both the optical fiber adhesive groove 1221 and the module adhesive groove 1222 are configured as groove structures extending linearly from the end of the docking portion 12 toward the microscopic examination end 13. The optical fiber hole 1311 is connected to the optical fiber adhesive groove 1221, and the module hole 1312 is connected to the module adhesive groove 1222. The optical fiber body 41 extends along the optical fiber adhesive groove 1221 and is inserted into the optical fiber hole 1311, and the camera module 42 extends along the module adhesive groove 1222 and is inserted into the module hole 1312. By setting the guide dispensing groove 122, the fiber optic cable 41 and the camera module 42 can be accurately guided into the fiber optic hole 1311 and the module hole 1312, respectively. At the same time, the open bonding space formed by the fiber optic dispensing groove 1221 and the module dispensing groove 1222 significantly improves the convenience of bonding and the bonding area. It also facilitates the full irradiation of the adhesive area by ultraviolet light, thereby further improving the fixing firmness of the fiber optic cable 41 and the camera module 42, and effectively improving the integration and functional stability of the endoscope end-examination component.

[0058] In one optional implementation, the dispensing groove is configured as a straight-line extending groove to facilitate process wiring and dispensing; or, the dispensing groove is configured as a curved extending or stepped groove to adapt to special structures or space-constrained end designs.

[0059] Please refer to Figure 1 and Figure 3The end of the snake-bone docking structure 2 is fitted onto the docking portion 12 of the end base structure 1, and the end of the snake-bone docking structure 2 has a limiting groove 21 that engages with the limiting protrusion 121. The limiting groove 21 is a straight sliding groove structure with parallel sides, and the two sides of the limiting protrusion 121 and the two sides of the limiting groove 21 are slidably connected in a one-to-one correspondence. Through the engagement between the limiting groove 21 and the limiting protrusion 121, a smooth transition docking between the snake-bone docking structure 2 and the end base structure 1 can be achieved. At the same time, a directional, foolproof assembly relationship with assembly direction limiting function is formed to prevent assembly misalignment or rotational misalignment, significantly improving the convenience and accuracy of installation for operators, and effectively enhancing the stability of the connection after assembly.

[0060] As a preferred embodiment, please refer to Figure 4 The limiting protrusion 121 is located on the opposite side of the guide adhesive groove 122, which can effectively distinguish between the foolproof assembly function and the adhesive bonding function through partitioning, ensuring the independence and reliability of each function, thereby improving the overall functional stability and effectively reducing the probability of misoperation.

[0061] Please continue to refer to this. Figure 3 The clamp channel structure 3 and the imaging optical component structure 4 are respectively disposed inside the snake bone docking structure 2, and the end position of the clamp channel structure 3 is docked and connected to the instrument channel 11, thereby forming a predetermined instrument extension and control path, providing stable support for endoscopic instrument operation.

[0062] As another preferred embodiment, please refer to [the relevant documentation]. Figure 3 The two ends of the alignment tube structure 6 are respectively fitted and embedded in the inner walls of the instrument channel 11 and the forceps channel tube structure 3. By setting the alignment tube structure 6, while ensuring the connection between the forceps channel tube structure 3 and the instrument channel 11, a smooth connection and precise alignment function for the extended control path of the endoscopic instruments are further achieved, thereby improving the efficiency and accuracy of component installation. Furthermore, based on the glue injection and fixation at both ends of the alignment tube structure 6, a firm connection between the forceps channel tube structure 3 and the end base structure 1 is effectively achieved through adhesive bonding. In addition, by embedding one end of the alignment tube structure 6 into the forceps channel tube structure 3, it can be ensured that the diameter of the forceps channel tube structure 3 is not smaller than that of the instrument channel 11, providing structural support for increasing the diameter of the forceps channel tube structure 3, thereby improving the overall adaptability of the device and enhancing the overall functional application flexibility.

[0063] Please refer to Figure 1 , Figure 2 and Figure 6The sleeve limiting structure 5 and the end base structure 1 are integrally molded, which can effectively ensure the accuracy of the hole size and shape of the end base structure 1 and the sleeve limiting structure 5 through the integral molding design, while enhancing the stress stability of the overall structure.

[0064] Specifically, the socket limiting structure 5 includes a first limiting part 51 and a second limiting part 52. The first limiting part 51 is an integral annular boss located on the outer side between the docking part 12 and the end of the endoscope 13, and its end face abuts against the end of the snake-bone docking structure 2 to precisely limit the direction of the snake-bone docking structure 2 corresponding to the end seat base structure 1. The second limiting part 52 is an integral annular boss on the inner wall of the instrument channel 11, and its end face abuts against one end of the alignment tube structure 6 embedded in the instrument channel 11 to achieve axial positioning of the alignment tube structure 6 within the instrument channel 11, preventing the alignment tube structure 6 from excessively extending into the instrument channel 11, thereby ensuring the reliability and consistency of the overall assembly quality.

[0065] In another optional implementation, the socket limiting structure 5 can also be configured as a plurality of limiting protrusions or stepped flanges distributed at equal intervals along the circumference, all of which can achieve the limiting function and improve the reliability of assembly.

[0066] The structural arrangement of the components described in this utility model can be appropriately adjusted according to the specific type of endoscope or application scenario. For example, the positional relationship between the instrument channel 11 and the imaging optical component channel 131, the shape and layout of the guide adhesive groove 122, the external dimensions of the sleeve limiting structure 5, and the setting method of the first limiting part 51 and the second limiting part 52 can all be changed according to actual needs. Without changing the core function of this utility model, the above-mentioned structural changes or optimizations should be considered as equivalent modifications of this utility model and are still within the protection scope of this utility model.

[0067] Although the present invention has been described in detail above with general descriptions and specific embodiments, some modifications or improvements can be made to it, which will be obvious to those skilled in the art. Therefore, all such modifications or improvements made without departing from the spirit of the present invention fall within the scope of protection claimed by the present invention.

Claims

1. An endoscope end mount assembly based on optical fiber transmission, characterized in that, include: The end base structure includes a docking part and a microscopic examination end that are fixedly connected; the outer side of the docking part is provided with a guide adhesive groove, and the microscopic examination end is provided with an imaging optical component channel that corresponds to and communicates with the guide adhesive groove; The imaging optical component structure includes fiber optic cable and camera module, used to provide illumination light and image acquisition functions; Furthermore, the optical fiber and the camera module extend through the guide adhesive groove and are inserted into the imaging optical component channel.

2. The endoscope end mount assembly based on optical fiber transmission according to claim 1, characterized in that, The guide dispensing groove includes an optical fiber dispensing groove and a module dispensing groove. The imaging optical component apertures include fiber optic apertures and module apertures; Both the fiber optic dispensing groove and the module dispensing groove are configured as groove structures extending in a straight line from the docking portion toward the microscopic examination end; the fiber optic hole is connected to the fiber optic dispensing groove, and the module hole is connected to the module dispensing groove. The optical fiber extends through the optical fiber dispensing groove and is inserted into the optical fiber hole, and the camera module extends through the module dispensing groove and is inserted into the module hole.

3. The endoscope end mount assembly based on optical fiber transmission according to claim 2, characterized in that, Also includes: Snake-bone joint structure; The imaging optical component structure is disposed inside the snake-bone docking structure; The end of the snake-bone docking structure is sleeved and connected to the docking part of the end seat base structure.

4. The endoscope end mount assembly based on optical fiber transmission according to claim 3, characterized in that, Limiting protrusions are provided on the outer side of the docking part; A limiting slot is provided at the end of the snake bone docking structure; The limiting slot and the limiting protrusion are connected by a directional snap-fit.

5. The endoscope end mount assembly based on optical fiber transmission according to claim 4, characterized in that, The limiting protrusion is located on the opposite side of the guide dispensing groove.

6. The endoscope end mount assembly based on optical fiber transmission according to claim 3, characterized in that, Also includes: The clamp tube structure is disposed inside the snake bone docking structure; The end base structure has an instrument channel that runs through the interior of the docking part and the microscopic end, and the instrument channel is located on one side of the imaging optical component channel. The end of the clamp tube structure is connected to the instrument channel.

7. The endoscope end mount assembly based on optical fiber transmission according to claim 6, characterized in that, Also includes: The alignment tube structure has its two ends embedded and fixedly connected to the inner wall of the instrument channel and the inner wall of the clamp channel tube structure, respectively.

8. The endoscope end mount assembly based on optical fiber transmission according to claim 7, characterized in that, Also includes: The socket limiting structure includes a first limiting part; The first limiting part is configured as an integral annular protrusion located on the outer side between the docking part and the microscopic end, and the first limiting part is abutted and connected to the end position of the snake bone docking structure.

9. The endoscope end mount assembly based on optical fiber transmission according to claim 8, characterized in that, The socket limiting structure further includes: The second limiting part is configured as an annular protrusion protruding from the inner wall of the instrument channel, and the second limiting part is abutted and connected to one end of the alignment tube structure embedded in the instrument channel.

10. An endoscope device, characterized in that, Includes the fiber optic-based endoscope end mount assembly as described in any one of claims 1-9.