Medical hard endoscope lens protective sleeve device

By designing a protective sleeve on the rigid endoscope, the problem of easy damage to the lens during transportation and cleaning is solved, achieving effective protection of the lens in the process and ensuring the normal use of the rigid endoscope.

CN224291869UActive Publication Date: 2026-05-29GUANGXI NANNING DONGKANG MEDICAL INSTR CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
GUANGXI NANNING DONGKANG MEDICAL INSTR CO LTD
Filing Date
2025-01-24
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

During transportation, cleaning, and disinfection, the lens structure of rigid endoscopes is easily scratched or bumped by foreign objects, affecting normal use.

Method used

The design includes a first protective sleeve, a second protective sleeve, and a third protective sleeve, which are respectively fitted onto the objective lens, beam guide interface, and eyepiece of the rigid endoscope. The protective sleeves have through holes to facilitate cleaning, disinfection, and sterilization operations, and to prevent lens damage.

Benefits of technology

The protective sleeve can protect the lens during transportation, cleaning, and disinfection, ensuring the normal use of rigid endoscopes without affecting the cleaning and sterilization effects.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a medical hard endoscope lens protection sleeve device, include: first protection cover, the first cavity of opening has the bottom opening, be equipped with a plurality of first through -hole on the lateral wall of first cavity, first protection cover is equipped with in the front end objective lens outside of hard endoscope, second protection cover, the second cavity of opening has the bottom opening, be equipped with a plurality of second through -hole on the lateral wall of second cavity, second protection cover is equipped with in the light beam interface outside of hard endoscope, and third protection cover, the third cavity of opening has the bottom opening, be equipped with a plurality of third through -hole on the lateral wall of third cavity, third protection cover is equipped with in the rear end ocular lens outside of hard endoscope. Adopt the protection sleeve device of the utility model, simple structure, low in cost, can cyclic use, and hard endoscope can always take protection sleeve in the process of transportation, cleaning, disinfection, blow dry, packing, sterilization etc.
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Description

Technical Field

[0001] This utility model relates to the field of protective sleeve technology, and in particular to a medical rigid endoscope lens protective sleeve device. Background Technology

[0002] A rigid endoscope is a non-flexible endoscope inserted into body cavities and organs through natural or artificial orifices for direct observation, diagnosis, and treatment. The internal structure of a rigid endoscope consists of a cylindrical optical lens group, while the external tube is a stainless steel alloy tube. It acquires images through the objective lens at the front, transmits the images through the optical lens group, magnifies the images through the eyepiece at the rear, and then transmits the images through the eyepiece. Light emitted from the cold light source of the rigid endoscope is guided into the examined body cavity through the beam guide interface of the endoscope body. The reflected light is then guided out of the body through the optical lens group inside the endoscope. The image sensor converts the received reflected light into an electrical signal, which is then processed by the image processor to display the intracavitary image on a monitor. After use, the rigid endoscope needs to be transported to a sterilization supply room for cleaning, sterilization, drying, packaging, and sterilization. During transportation and cleaning / sterilization, the tip of the rigid endoscope, the beam guide interface, and the eyepiece at the rear are highly susceptible to scratches or impacts from foreign objects, affecting its normal use. Utility Model Content

[0003] The purpose of this invention is to provide a protective cover for a rigid endoscope lens, thereby overcoming the disadvantage that the tip of the rigid endoscope, the beam guide interface, the eyepiece, and other structures are very likely to be scratched or bumped by foreign objects during transportation, cleaning, and disinfection, which would affect the normal use of the rigid endoscope.

[0004] To achieve the above objectives, this utility model provides a protective sleeve device for a rigid endoscope lens, comprising: a first protective sleeve having a first cavity with a bottom opening and correspondingly connected to the front objective lens of the rigid endoscope, the side wall of the first cavity having a plurality of spaced-apart first through holes; the first protective sleeve is fitted over the outside of the front objective lens of the rigid endoscope to protect the objective lens; a second protective sleeve having a second cavity with a bottom opening and correspondingly connected to the beam guide interface of the rigid endoscope, the side wall of the second cavity having a plurality of spaced-apart second through holes; the second protective sleeve is fitted over the outside of the beam guide interface of the rigid endoscope to protect the beam guide interface; and a third protective sleeve having a third cavity with a bottom opening and correspondingly connected to the rear eyepiece of the rigid endoscope, the side wall of the third cavity having a plurality of spaced-apart third through holes; the third protective sleeve is fitted over the outside of the rear eyepiece of the rigid endoscope to protect the rear eyepiece.

[0005] Preferably, in the above technical solution, both the first protective sleeve and the first cavity are cylindrical, and an even number of uniformly distributed first through holes are formed on the side wall of the first cavity along its circumferential direction. Each first through hole group includes multiple first through holes distributed uniformly in the up-down direction.

[0006] Preferably, in the above technical solution, the top surface of the first protective sleeve and the top surface of the first cavity are both arc surfaces with the opening facing downwards; wherein, the top surface of the first cavity is provided with the first through hole.

[0007] Preferably, in the above technical solution, both the second protective sleeve and the second cavity are cylindrical, and an even number of evenly distributed second through holes are formed on the side wall of the second cavity along its circumferential direction. Each second through hole group includes multiple second through holes evenly distributed along the vertical direction.

[0008] Preferably, in the above technical solution, the top surface of the second protective sleeve and the top surface of the second cavity are both arc surfaces with the opening facing downwards; wherein, the top surface of the second cavity is provided with the second through hole.

[0009] Preferably, in the above technical solution, the third cavity is cylindrical, and an even number of uniformly distributed third through holes are formed on the side wall of the third cavity along its circumferential direction, and a plurality of spaced third through holes are formed on the top surface of the third cavity.

[0010] Preferably, in the above technical solution, the outer wall of the third protective sleeve is a frustum shape with a smaller bottom and a larger top, and the upper end of the outer wall of the third protective sleeve is provided with an annular groove.

[0011] Preferably, in the above technical solution, the first protective cover, the second protective cover, and the third protective cover are all made of silicone.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] 1. The protective sleeve device of this utility model includes a first protective sleeve, a second protective sleeve, and a third protective sleeve, which are respectively fitted onto the objective lens, the beam guide interface, and the eyepiece to protect the objective lens, the beam guide interface, and the eyepiece. Because of the structure of the first through hole, the second through hole, and the third through hole, it can facilitate operations such as cleaning, convection, and vacuum sterilization without affecting the cleaning, disinfection, drying, packaging, and sterilization processes of rigid endoscopes. That is, the rigid endoscope can always wear the protective sleeve during the transportation, cleaning, disinfection, drying, packaging, and sterilization processes to prevent its lens from being scratched or bumped by foreign objects and ensure that the rigid endoscope can be used normally.

[0014] 2. The protective sleeve device of this utility model has symmetrically arranged first through holes on the first cavity, symmetrically arranged second through holes on the second cavity, and symmetrically arranged third through holes on the side wall of the third cavity; and the top surface of the first cavity has a first through hole, the top surface of the second cavity has a second through hole, and the top surface of the third cavity has multiple spaced third through holes. The structure of having through holes on the top surface and symmetrically arranged through holes facilitates cleaning, convection and drying operations, and also facilitates vacuuming operations during sterilization. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the protective sleeve device according to this utility model applied to a rigid endoscope.

[0016] Figure 2 This is a structural schematic diagram of the first protective sleeve according to the present utility model.

[0017] Figure 3 This is a structural schematic diagram of the second protective sleeve according to the present utility model.

[0018] Figure 4 This is a structural schematic diagram of the third protective sleeve according to this utility model.

[0019] Figure 5 According to this utility model Figure 4 A top-down view.

[0020] Explanation of key figure labels:

[0021] 1-First protective sleeve, 2-First cavity, 3-First through hole, 4-Second cavity, 5-Second protective sleeve, 6-Second through hole, 7-Annular groove, 8-Third through hole, 9-Third cavity, 10-Third protective sleeve, 11-Rigid endoscope. Detailed Implementation

[0022] The specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. However, it should be understood that the scope of protection of this utility model is not limited to the specific embodiments.

[0023] Unless otherwise expressly stated, throughout the specification and claims, the term "comprising" or its variations such as "including" or "comprises" shall be understood to include the stated elements or components without excluding other elements or other components.

[0024] Figures 1 to 5 The diagram shows a structural schematic of a medical rigid endoscope lens protective sleeve device according to a preferred embodiment of the present invention. The protective sleeve device includes a first protective sleeve 1, a second protective sleeve 5, and a third protective sleeve 10.

[0025] refer to Figures 1 to 5 The first protective sleeve 1 has a first cavity 2 with a bottom opening that corresponds to the front objective lens of the rigid endoscope 11. The side wall of the first cavity 2 has multiple spaced-apart first through holes 3. The first through holes 3 facilitate subsequent cleaning, disinfection, drying, and sterilization operations of the rigid endoscope 11's objective lens. The first protective sleeve 1 is fitted over the outside of the front objective lens of the rigid endoscope 11 to protect the objective lens. The second protective sleeve 5 has a second cavity 4 with a bottom opening that corresponds to the beam guide interface of the rigid endoscope 11. The side wall of the second cavity 4 has multiple spaced-apart second through holes 6. The second through holes 6 facilitate subsequent cleaning, disinfection, drying, and sterilization operations of the beam guide interface of the rigid endoscope 11. The second protective sleeve 5 is fitted over the outside of the beam guide interface of the rigid endoscope 11 to protect the beam guide interface. The third protective sleeve 10 has a bottom opening and a third cavity 9 corresponding to the rear eyepiece of the rigid endoscope 11. The side wall of the third cavity 9 has multiple spaced third through holes 8. The second through holes 6 facilitate subsequent cleaning, disinfection, drying, and sterilization of the eyepiece of the rigid endoscope 11. The third protective sleeve 10 is fitted over the outside of the rear eyepiece of the rigid endoscope 11 to protect it. The first protective sleeve 1, the second protective sleeve 5, and the third protective sleeve 10 are respectively fitted over the objective lens, the beam guide interface, and the eyepiece to protect them. The structure of the first through hole 3, the second through hole 6, and the third through hole 8 facilitates operations such as cleaning, convection, and vacuum sterilization, without affecting the cleaning, disinfection, drying, packaging, and sterilization processes of the rigid endoscope 11. In other words, the rigid endoscope 11 can always wear a protective cover during transportation, cleaning, disinfection, drying, packaging, and sterilization processes to prevent its lens from being scratched or bumped by foreign objects, ensuring that the rigid endoscope 11 can be used normally.

[0026] refer to Figure 2 The first through holes 3 on the first cavity 2 can be randomly or symmetrically arranged. Preferably, both the first protective sleeve 1 and the first cavity 2 are cylindrical, and an even number of evenly distributed groups of first through holes are formed on the side wall of the first cavity 2 along its circumferential direction, i.e., the groups of first through holes are symmetrically arranged. Each group of first through holes includes multiple first through holes 3 evenly distributed in the vertical direction. The symmetrical arrangement of the first through holes 3 facilitates the cleaning, convection, and drying operations of the objective lens, and also facilitates vacuuming operations during sterilization.

[0027] refer to Figure 2 Preferably, the top surface of the first protective sleeve 1 and the top surface of the first cavity 2 are both arc-shaped surfaces with the opening facing downwards, to prevent the end of the first protective sleeve 1 from contacting the objective lens. The top surface of the first cavity 2 is provided with a first through hole 3 to facilitate subsequent cleaning, convection and drying operations of the objective lens.

[0028] refer to Figure 3The second through holes 6 on the second cavity 4 can be randomly or symmetrically arranged. Preferably, both the second protective sleeve 5 and the second cavity 4 are cylindrical, and an even number of evenly distributed groups of second through holes are formed on the side wall of the second cavity 4 along its circumferential direction, i.e., the groups of second through holes are symmetrically arranged. Each group of second through holes includes multiple second through holes 6 evenly distributed in the vertical direction. The symmetrical arrangement of the second through holes 6 facilitates cleaning, convection, and drying operations of the beam guide interface, and also facilitates vacuuming operations during sterilization.

[0029] refer to Figure 3 Preferably, the top surface of the second protective sleeve 5 and the top surface of the second cavity 4 are both arc-shaped surfaces with the opening facing downwards, to prevent the end of the second protective sleeve 5 from contacting the beam guide interface. The top surface of the second cavity 4 is provided with a second through hole 6 to facilitate subsequent cleaning, convection, and drying operations of the beam guide interface.

[0030] refer to Figure 4 and Figure 5 Preferably, the third cavity 9 is cylindrical, and an even number of evenly distributed third through holes 8 are formed on its side wall along its circumferential direction, i.e., the third through holes 8 are symmetrically arranged. This symmetrical arrangement of the third through holes 8 facilitates the cleaning, convection, and drying of the eyepiece, and also facilitates vacuuming during sterilization. The top surface of the third cavity 9 has multiple spaced third through holes 8, which further improves the subsequent cleaning, convection, and drying of the eyepiece.

[0031] refer to Figure 4 and Figure 5 Preferably, the outer wall of the third protective sleeve 10 is a frustum-shaped structure with a smaller bottom and a larger top, and an annular groove 7 is recessed at the upper end of the outer wall of the third protective sleeve 10. The axis of the annular groove 7 is collinear with the axis of the third cavity 9, so that the side wall thickness of the third protective sleeve 10 is uniform.

[0032] refer to Figures 1 to 5 Preferably, the first protective sleeve 1, the second protective sleeve 5, and the third protective sleeve 10 are all made of silicone. Silicone has good thermal stability at high temperatures, is non-toxic and odorless, does not react with any substance, is insoluble in water and any solvent, and has stable properties.

[0033] The protective sleeve device of this utility model is used to protect the objective lens, beam guide interface and eyepiece. It has a simple structure, low cost and can be reused. The rigid endoscope 11 can wear the protective sleeve throughout the processes of transportation, cleaning, disinfection, drying, packaging and sterilization to prevent its lens from being scratched or bumped by foreign objects and ensure that the rigid endoscope 11 can be used normally.

[0034] The foregoing description of specific exemplary embodiments of the present invention is for illustrative and explanatory purposes. These descriptions are not intended to limit the present invention to the precise forms disclosed, and it will be apparent that many changes and variations can be made in accordance with the foregoing teachings. The exemplary embodiments were chosen and described in order to explain the specific principles of the present invention and its practical application, thereby enabling those skilled in the art to implement and utilize various different exemplary embodiments of the present invention, as well as various different choices and variations. The scope of the present invention is intended to be defined by the claims and their equivalents.

Claims

1. A medical rigid endoscope lens protective sleeve device, characterized in that, include: The first protective sleeve has a first cavity with a bottom opening that is connected to the front objective lens of the rigid endoscope. The side wall of the first cavity has a plurality of spaced first through holes. The first protective sleeve is fitted over the outside of the front objective lens of the rigid endoscope to protect the objective lens. The second protective sleeve has a second cavity with a bottom opening that corresponds to and is connected to the beam guide interface of the rigid endoscope. The side wall of the second cavity has a plurality of spaced second through holes. The second protective sleeve is fitted over the outside of the beam guide interface of the rigid endoscope to protect the beam guide interface. as well as The third protective sleeve has a bottom opening and a third cavity that is connected to the rear eyepiece of the rigid endoscope. The side wall of the third cavity has a plurality of spaced third through holes. The third protective sleeve is fitted over the outside of the rear eyepiece of the rigid endoscope to protect the rear eyepiece.

2. The medical rigid endoscope lens protective sleeve device according to claim 1, characterized in that, Both the first protective sleeve and the first cavity are cylindrical. An even number of uniformly distributed first through holes are formed on the side wall of the first cavity along its circumferential direction. Each first through hole group includes multiple first through holes evenly distributed along the vertical direction.

3. The medical rigid endoscope lens protective sleeve device according to claim 1, characterized in that, The top surface of the first protective sleeve and the top surface of the first cavity are both arc surfaces with the opening facing downwards; wherein, the top surface of the first cavity is provided with the first through hole.

4. The medical rigid endoscope lens protective sleeve device according to claim 1, characterized in that, Both the second protective sleeve and the second cavity are cylindrical. An even number of evenly distributed second through holes are provided on the side wall of the second cavity along its circumferential direction. Each second through hole group includes multiple second through holes evenly distributed along the vertical direction.

5. The medical rigid endoscope lens protective sleeve device according to claim 1, characterized in that, The top surface of the second protective sleeve and the top surface of the second cavity are both arc surfaces with the opening facing downwards; wherein, the top surface of the second cavity is provided with the second through hole.

6. The medical rigid endoscope lens protective sleeve device according to claim 1, characterized in that, The third cavity is cylindrical, and an even number of evenly distributed third through holes are formed on the side wall of the third cavity along its circumferential direction, and multiple spaced third through holes are formed on the top surface of the third cavity.

7. The medical rigid endoscope lens protective sleeve device according to claim 6, characterized in that, The outer wall of the third protective sleeve is shaped like a frustum, smaller at the bottom and larger at the top, and the upper end of the outer wall of the third protective sleeve is recessed with an annular groove.

8. The medical rigid endoscope lens protective sleeve device according to claim 1, characterized in that, The first protective cover, the second protective cover, and the third protective cover are all made of silicone.