Video laryngoscope

The integrated design of the plastic handle and lens assembly simplifies the structure and materials of the video laryngoscope, reduces costs, and improves ease of use and safety. It is suitable for single use and solves the problems of complexity and high cost of traditional video laryngoscopes.

CN224307312UActive Publication Date: 2026-06-02JIANGXI KINKYU MEDICAL TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIANGXI KINKYU MEDICAL TECH CO LTD
Filing Date
2025-01-21
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

Traditional video laryngoscopes are complex in structure, expensive in materials, inconvenient to install, and complicated and costly to use once.

Method used

The integrated design of the plastic handle and lens assembly, combined with thickened lens walls and anti-slip textures, simplifies the structure, reduces material costs, and improves ease of use and safety.

Benefits of technology

It reduces production and waste disposal costs, improves ease of use and safety, is suitable for single use, and reduces the risk of cross-infection and disinfection costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to medical instrument field, concretely is a kind of video laryngoscope, mainly include display component, handle assembly and lens component, handle assembly and lens component are integrated, and it is made of first plastic part and second plastic part combination;First plastic part includes first handle part and first lens part, and second plastic part includes second handle part and second lens part, after combination, first handle part and second handle part form handle assembly, and first lens part and second lens part form lens component.Integrated design of handle assembly and lens component, it is saved complex installation structure, and production process is simplified;In addition, the plastic material of thickened mirror wall is replaced traditional metal material, and material cost is further reduced;Plastic material is relatively low cost compared with metal, and it is easy to process, which makes the production cost of video laryngoscope be reduced, so that product is more economic, especially suitable for disposable use, reduces the risk of cross infection and disinfection cost.
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Description

Technical Field

[0001] This utility model relates to the field of medical devices, and in particular to a video laryngoscope. Background Technology

[0002] A video laryngoscope is a widely used medical device in the medical field, primarily used to assist doctors in performing endotracheal intubation, laryngeal surgery, and other medical procedures requiring observation of the laryngeal structure. By integrating a light source and camera into the laryngoscope's lens, it allows doctors to directly observe images of the larynx on a display screen, thereby improving the accuracy and safety of the procedure.

[0003] Currently, video laryngoscopes on the market consist of three parts: a display device, a handle, and a lens. For stability and safety during use, the lens is generally composed of a hollow metal shell with an internal light source and camera assembly. Since video laryngoscopes need to be inserted into the patient's throat during use, to avoid cross-infection, and because the cleaning and disinfection processes are complicated and costly, video laryngoscopes are generally designed for single use. That is, the handle and lens are discarded together after use, while the display device, since it does not need to come into contact with the patient's mouth or throat, can be reused.

[0004] Therefore, in the process of implementing the inventive technical solution in the embodiments of this application, the inventors of this application discovered that the above-mentioned technology has at least the following technical problems:

[0005] 1. Complex Structure: Traditional video laryngoscopes typically consist of multiple independent components, including handles and lenses, which require complex mounting structures for connection. This design not only increases manufacturing complexity but also raises production costs.

[0006] 2. Material and cost issues: Traditional video laryngoscopes use metal lenses, which ensures strength and safety, but are expensive and not suitable for single use.

[0007] 3. Inconvenient installation and assembly: In order to ensure a stable connection between the handle and the lens, the existing video laryngoscope has a special structure for this connection, which increases the difficulty of production and processing. At the same time, the installation and assembly process is more complicated, which affects the user experience. Summary of the Invention

[0008] The video laryngoscope technology proposed in this application improves upon the problems existing in the prior art. By simplifying the structure, optimizing material selection, and enhancing the stability of the handle assembly and lens assembly, it effectively solves the shortcomings of existing video laryngoscopes and improves the practicality and economy of the product.

[0009] This application provides a video laryngoscope, including a display component, a handle component, and a lens component, wherein the handle component and the lens component are integrated and are composed of a first plastic part and a second plastic part;

[0010] The first plastic part includes a first handle portion and a first lens portion, and the second plastic part includes a second handle portion and a second lens portion. When combined, the first handle portion and the second handle portion form a handle assembly, and the first lens portion and the second lens portion form a lens assembly.

[0011] The first lens section has a thickened lens wall, a transition convex wall is provided between the first handle section and the first lens section, and a transition concave wall that cooperates with the transition convex wall is provided between the second handle section and the second lens section.

[0012] As some embodiments of this application, the first plastic part further includes a first mounting portion, and the second plastic part further includes a second mounting portion. After assembly, the first mounting portion and the second mounting portion can be snapped into the display component.

[0013] As some embodiments of this application, a mating groove is provided on the side of the first lens portion, and a mating flange adapted to the mating groove is provided on the side of the second lens portion.

[0014] As some embodiments of this application, a first support wall is provided between the transition convex walls, and a second support wall is provided between the transition concave walls.

[0015] As some embodiments of this application, a first through hole is formed on the first support wall, and a second through hole is formed on the second support wall. The first through hole and the second through hole form a channel for electrical connection between the camera component and the display component.

[0016] As some embodiments of this application, the outer periphery of the first handle portion is provided with an arc-shaped first raised texture, and the outer periphery of the second handle portion is provided with an arc-shaped second raised texture. The first and second raised textures serve to prevent slipping and avoid slipping during use.

[0017] As some embodiments of this application, the lens assembly further includes a lens cavity, a functional section, and a lens window. The lens cavity is a cavity formed by combining the first plastic part and the second plastic part, used to house the light source, the camera component, and their circuitry. The functional section is a channel formed by the protrusion of the functional support wall on the side of the first lens section, allowing other instruments to pass through when the video laryngoscope is used. The lens window is opened at the tail end of the first lens section, providing a window for the light source and the camera component.

[0018] One or more technical solutions provided in the embodiments of this application have at least the following technical effects or advantages:

[0019] 1. Reduced production costs and improved economic efficiency. By integrating the handle assembly and lens assembly into a single design, composed of a first plastic part and a second plastic part, the complex installation structure is eliminated, simplifying the production process. Furthermore, the use of thickened plastic material for the lens wall instead of traditional metal further reduces material costs. Plastic materials are less expensive than metal and easier to process, which reduces the production cost of the video laryngoscope while maintaining necessary strength and safety, making the product more economical, especially suitable for single use, reducing the risk of cross-infection and disinfection costs.

[0020] 2. Improved ease of use and safety. The handle assembly features textured surfaces for enhanced grip, preventing slippage during use and improving surgical safety. Simultaneously, the integrated design of the handle and lens assembly reduces connection points between components, lowering the risk of breakage due to unstable connections. Furthermore, the integrated design reduces overall structural complexity, allowing for different throat depths to be matched with various models. The side-opening design facilitates the installation of internal light sources, camera components, and circuitry, enhancing assembly convenience.

[0021] 3. Simplified waste disposal process. Since the handle assembly and lens assembly of this video laryngoscope are made of one piece of plastic, the waste disposal process after use is simplified. In traditional video laryngoscopes, the handle assembly and the metal lens assembly are made of different materials and require different recycling processes. However, this application is made of one piece of plastic and can be directly processed, reducing the steps of sorting and processing, and lowering the cost and environmental impact of waste disposal. Attached Figure Description

[0022] Figure 1 This is a three-dimensional structural diagram of an embodiment of this application;

[0023] Figure 2 This is an exploded three-dimensional structural diagram of an embodiment of this application;

[0024] Figure 3 This is a three-dimensional exploded structural diagram from another perspective of an embodiment of this application;

[0025] Figure 4 This is a three-dimensional structural diagram of the first plastic part in the embodiment of this application;

[0026] Figure 5 This is a three-dimensional structural diagram of the second plastic part according to an embodiment of this application;

[0027] Figure 6 This is a cross-sectional view of the lens assembly according to an embodiment of this application;

[0028] Figure 7 This is a three-dimensional structural schematic diagram from another perspective of an embodiment of this application.

[0029] The attached diagram is labeled as follows: 1. Display component; 2. Handle component; 3. Lens component; 31. Lens cavity; 32. Functional part; 33. Lens window; 4. First plastic part; 41. First mounting part; 42. First handle part; 421. First raised texture; 43. First lens part; 431. Thickened lens wall; 432. Mating groove; 433. Functional support wall; 44. Transition raised wall; 441. First support wall; 442. First through hole; 5. Second plastic part; 51. Second mounting part; 52. Second handle part; 521. Second raised texture; 53. Second lens part; 532. Mating flange; 54. Transition concave wall; 541. Second support wall; 542. Second through hole. Detailed Implementation

[0030] To better understand the above technical solutions, the following will provide a detailed explanation of the technical solutions in conjunction with the accompanying drawings and specific implementation methods.

[0031] Example 1: This example is a video laryngoscope, such as... Figures 1-5 As shown, it includes a display assembly 1, a handle assembly 2, and a lens assembly 3, wherein:

[0032] The handle assembly 2 and the lens assembly 3 are integrated into one piece, which is composed of the first plastic part 4 and the second plastic part 5;

[0033] The first plastic part 4 includes a first mounting part 41, a first handle part 42, and a first lens part 43. The second plastic part 5 includes a second mounting part 51, a second handle part 52, and a second lens part 53. After assembly, the first mounting part 41 and the second mounting part 51 can be snapped into the display component 1. The first handle part 42 and the second handle part 52 form a handle assembly 2, and the first lens part 43 and the second lens part 53 form a lens assembly 3.

[0034] The first lens section 43 is provided with a thickened lens wall 431, a transition convex wall 44 is provided between the first handle section 42 and the first lens section 43, and a transition concave wall 54 that cooperates with the transition convex wall 44 is provided between the second handle section 52 and the second lens section 53.

[0035] The technical solutions described in the embodiments of this application above have at least the following technical effects or advantages:

[0036] By integrating the handle assembly 2 and the lens assembly 3 into a single unit, the installation structure between them is eliminated, reducing the complexity of the video laryngoscope structure, decreasing the manufacturing process steps, and lowering production costs. Furthermore, by replacing the metal lens assembly 3 in the prior art with the thickened plastic lens assembly 3 with a thickened lens wall 431 in this application, the video laryngoscope of this application maintains strength and safety while further reducing manufacturing costs, making it more suitable for single-use. In the disposal process after the video laryngoscope is used up, the elimination of material differences and installation structures between the handle assembly 2 and the lens assembly 3 effectively shortens the processing time, thereby significantly reducing the disposal costs of discarded video laryngoscopes.

[0037] Example 2: This example is another type of video laryngoscope, such as... Figures 1-7 The diagram shows a preferred embodiment of some of the structures, based on Example 1.

[0038] The lens assembly 3 also includes a lens cavity 31, a functional part 32, and a lens window 33. The lens cavity 31 is a cavity formed by the combination of the first plastic part 4 and the second plastic part 5, which is used to house the light source, the camera assembly, and their circuitry. The functional part 32 is a channel formed by the protrusion of the functional support wall 433 on the side of the first lens part 43, which allows other instruments to pass through when the video laryngoscope is in use. The lens window 33 is opened at the tail end of the first lens part 43, providing a window for the light source and the camera assembly.

[0039] The outer periphery of the first handle portion 42 is provided with an arc-shaped first raised texture 421, and the outer periphery of the second handle portion 52 is provided with an arc-shaped second raised texture 521. The first raised texture 421 and the second raised texture 521 serve as anti-slip functions to prevent slipping during use.

[0040] The first lens part 43 has a mating groove 432 on its side, and the second lens part 53 has a mating flange 532 on its side that matches the mating groove 432, thereby facilitating the positioning and assembly between the first plastic part 4 and the second plastic part 5.

[0041] A first support wall 441 is provided between the transition convex walls 44, and a second support wall 541 is provided between the transition concave walls 54, making the transition point between the handle assembly 2 and the lens assembly 3 more stable and preventing the risk of breakage during the use of the video laryngoscope.

[0042] The first support wall 441 has a first through hole 442, and the second support wall 541 has a second through hole 542. The first through hole 442 and the second through hole 542 provide a channel for the camera component and the display component 1 to be electrically connected.

Claims

1. A video laryngoscope, comprising a display assembly (1), a handle assembly (2), and a lens assembly (3), characterized in that: The handle assembly (2) and the lens assembly (3) are integrated into one unit, which is composed of a first plastic part (4) and a second plastic part (5); The first plastic part (4) includes a first handle part (42) and a first lens part (43), and the second plastic part (5) includes a second handle part (52) and a second lens part (53). When combined, the first handle part (42) and the second handle part (52) form a handle assembly (2), and the first lens part (43) and the second lens part (53) form a lens assembly (3). The first lens part (43) is provided with a thickened lens wall (431), a transition convex wall (44) is provided between the first handle part (42) and the first lens part (43), and a transition concave wall (54) that cooperates with the transition convex wall (44) is provided between the second handle part (52) and the second lens part (53).

2. The video laryngoscope according to claim 1, characterized in that, The first plastic part (4) also includes a first mounting part (41), and the second plastic part (5) also includes a second mounting part (51). After assembly, the first mounting part (41) and the second mounting part (51) can be snapped into the display component (1).

3. The video laryngoscope according to claim 1, characterized in that, The first lens part (43) has a mating groove (432) on its side, and the second lens part (53) has a mating flange (532) on its side that is adapted to the mating groove (432).

4. The video laryngoscope according to claim 1, characterized in that, A first support wall (441) is provided between the transition convex walls (44), and a second support wall (541) is provided between the transition concave walls (54).

5. The video laryngoscope according to claim 4, characterized in that, The first support wall (441) has a first through hole (442), and the second support wall (541) has a second through hole (542). The first through hole (442) and the second through hole (542) form a channel for the camera assembly and the display assembly (1) to be electrically connected.

6. The video laryngoscope according to claim 1, characterized in that, The outer periphery of the first handle part (42) is provided with an arc-shaped first convex texture (421), and the outer periphery of the second handle part (52) is provided with an arc-shaped second convex texture (521). The first convex texture (421) and the second convex texture (521) serve as anti-slip functions to prevent slipping during use.

7. The video laryngoscope according to claim 1, characterized in that, The lens assembly (3) also includes a lens cavity (31), a functional part (32), and a lens window (33). The lens cavity (31) is a cavity formed by combining the first plastic part (4) and the second plastic part (5), which is used to place the light source, the camera assembly and its circuitry. The functional part (32) is a channel formed by the protrusion of the functional support wall (433) on the side of the first lens part (43), which allows other instruments to pass through when the video laryngoscope is used. The lens window (33) is opened at the tail end of the first lens part (43), providing a window for the light source and the camera assembly.