Gastroscope lens sheath

By incorporating a protective sleeve and transparent cover on the outside of the electronic gastroscope head, the problems of easy damage and low safety of existing electronic gastroscope lenses are solved, resulting in reduced replacement costs and extended service life.

CN224235383UActive Publication Date: 2026-05-15GUANGDONG SHIWEIXIN BIOMEDICAL TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
GUANGDONG SHIWEIXIN BIOMEDICAL TECHNOLOGY CO LTD
Filing Date
2025-01-03
Publication Date
2026-05-15

AI Technical Summary

Technical Problem

The examination components of existing electronic gastroscopes are directly installed at the tip, which can easily lead to lens damage if not cleaned in time, increasing the frequency of replacement and costs. In addition, the flat lens can easily injure the human body during use, resulting in low safety.

Method used

A gastroscopy lens sheath was designed, comprising a protective sleeve and a transparent cover, which are fixed to the outside of the examination head by a Phillips screw. The protective sleeve is inserted into the protective cavity of the examination head. The transparent cover is made of resin lens and has a semi-circular design to reduce the risk of scratching the esophagus.

Benefits of technology

It improves the stability and safety of the inspection head, reduces replacement costs, extends service life, and ensures the safety of the inspection process.

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Abstract

The utility model discloses a gastroscope lens sheath, and relates to the technical field of electronic gastroscopes, the gastroscope lens sheath comprises an operation part, one end of the operation part is provided with a connector, one end of the connector is provided with an insertion part, one end of the insertion part is provided with an examination head, and the other end of the operation part is provided with a display. A connecting ring plate is arranged outside the inspection head, a sheath assembly is arranged outside the connecting ring plate, the sheath assembly and the connecting ring plate are fixed in a threaded mode through a cross screw, the sheath assembly comprises a protective sleeve and a transparent cover, and the transparent cover is located at one end of the protective sleeve; according to the scheme, the problems that inspection components of an existing electronic gastroscope are directly installed in the head end part, cleaning is not timely after the gastroscope is manufactured, the surface of a lens of the gastroscope is prone to being damaged, the replacement frequency is high, the replacement cost is high, most of the lenses of the electronic gastroscope are planes, a human body is prone to being injured by the edge when the gastroscope is manufactured, and the cost is high are solved. And the safety is low.
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Description

Technical Field

[0001] This utility model relates to the field of electronic gastroscopy technology, specifically to a gastroscopy lens cover. Background Technology

[0002] An electronic gastroscope is a medical electronic optical instrument that can be inserted into the human stomach cavity to directly observe, diagnose, and treat gastrointestinal diseases.

[0003] For example, the Chinese authorized patent (electronic gastroscopy device) with announcement number CN113100696A includes an electronic gastroscope body, a disposable gastroscopy auxiliary system detachably connected to the electronic gastroscope body, and an isolation component; the electronic gastroscope body includes a proximal operating part, an electronic endoscope tube connected to the distal end of the operating part, and a camera component disposed inside the electronic endoscope tube for observing the human body environment at the position reached by the head, the camera component including a camera constructed at the front end of the electronic endoscope tube, the camera component mainly converting the captured gastric wall image into an electrical signal and transmitting it to the host; the disposable gastroscopy auxiliary system includes a handle section, a connecting section disposed at one end of the handle section, and an insertion section extending from the other end of the handle section to the camera at the distal end of the electronic endoscope tube; the isolation component has a cover extending outward from the circumference of the electronic gastroscope body to isolate the head end of the electronic endoscope tube from the external environment, and the isolation component is at least partially configured as a transparent part for observation by the electronic gastroscope.

[0004] However, the examination components of existing electronic gastroscopes are directly installed inside the tip. If they are not cleaned in time after each gastroscopy, the surface of the gastroscope lens is easily damaged, resulting in high replacement frequency and high replacement costs. In addition, most electronic gastroscope lenses are flat, and the edges can easily injure the human body during gastroscopy, which is unsafe. Therefore, they do not meet the current needs. To address this, we have proposed a gastroscope lens cover. Utility Model Content

[0005] The purpose of this utility model is to provide a gastroscopy lens cover to solve the problems mentioned in the background art, which are that the examination components of existing electronic gastroscopes are directly installed inside the tip, and the surface of the gastroscopy lens is easily damaged if it is not cleaned in time after gastroscopy, resulting in high replacement frequency and high replacement cost. In addition, most electronic gastroscopy lenses are flat, and the edges are easy to injure the human body during gastroscopy, resulting in low safety.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a gastroscopy lens sheath, comprising: an operating part, one end of the operating part being provided with a connector, one end of the connector being provided with an insertion part, one end of the insertion part being provided with an examination head, the other end of the operating part being provided with a display, a connecting ring plate being provided outside the examination head, and a sheath assembly being provided outside the connecting ring plate, the sheath assembly being threadedly fixed to the connecting ring plate by a Phillips screw.

[0007] Preferably, the sheath assembly includes a protective sleeve and a transparent cover, with the transparent cover located at one end of the protective sleeve and the transparent cover being heat-fused to the protective sleeve. The protective sleeve has a protective cavity inside, and the inspection head is inserted into the protective cavity.

[0008] Preferably, the other end surface of the protective sleeve is provided with a connecting slot, and the connecting slot extends inward along the protective sleeve, with the connecting ring plate inserted into the connecting slot.

[0009] Preferably, the outer surfaces of the connecting ring plate are provided with connecting holes, and the outer surfaces of the protective sleeve are provided with screw holes, with one end of the cross screw passing through the screw hole and threadedly connected to the connecting hole.

[0010] Preferably, an inspection module and a working channel are installed inside one end of the inspection head, an illumination module is provided on one side of the inspection module, and the inspection module includes an objective lens system and an image array photoelectric sensor, and the light source of the illumination module is an LED light.

[0011] Preferably, the operating unit includes a handle, an operating head is provided at the top of the handle, and a display is mounted on the top of the operating head. An external connector is provided on one side of the handle.

[0012] Preferably, the transparent cover is semi-circular and is made of resin lens.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. This utility model provides a protective sleeve assembly on the outside of the examination head. The protective sleeve assembly includes a protective sleeve and a transparent cover. When the protective sleeve is put on, the examination head is inserted into the protective cavity, and the connecting ring plate is inserted into the connecting slot. This improves the stability of the connection between the protective sleeve and the examination head, preventing positional displacement. It is fixed with a cross screw, which also protects the examination head and prevents the lens of the examination head from contacting the esophagus and stomach, thus preventing corrosion and damage to the lens. In the future, only the protective sleeve assembly needs to be replaced, without replacing the examination head, which reduces replacement costs. This also solves the problem that the examination components of existing electronic gastroscopes are directly installed inside the tip of the head. Frequent gastroscopy without timely cleaning can easily damage the surface of the endoscope lens, leading to high replacement frequency and high replacement costs.

[0015] 2. By setting the transparent cover to be semi-circular and using a resin lens, one end of the examination head is inserted into the stomach along the esophagus. The semi-circular transparent cover is less likely to scratch the esophageal wall during movement, improving safety. In addition, the resin lens has good light transmittance and does not interfere with the normal use of the examination head. It is also impact-resistant, not easily damaged, and has a longer service life. This solves the problem that most electronic gastroscope lenses are flat, and the edges are easy to injure the human body during gastroscopy, resulting in low safety. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a partial enlarged view of point A of this utility model;

[0018] Figure 3 This is a schematic diagram of the connection structure between the inspection head and the insertion part of this utility model;

[0019] Figure 4 This is a schematic diagram of the right side view of the sheath assembly of this utility model;

[0020] In the diagram: 1. Operating unit; 2. Display; 3. Connector; 4. Insertion unit; 5. Inspection head; 6. Sheath assembly; 7. Protective sleeve; 8. Phillips head screw; 9. Transparent cover; 10. Screw hole; 11. Inspection module; 12. Lighting module; 13. Connecting ring plate; 14. Connecting hole; 15. Protective cavity; 16. Connecting slot; 17. External connector; 18. Operating head; 19. Handle. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0022] Please see Figure 1-4This utility model provides an embodiment of a gastroscopy lens sheath, comprising: an operating part 1, a connector 3 at one end of the operating part 1, an insertion part 4 at one end of the connector 3, an examination head 5 at one end of the insertion part 4, a display 2 at the other end of the operating part 1, a connecting ring plate 13 outside the examination head 5, and a sheath assembly 6 outside the connecting ring plate 13. The sheath assembly 6 is threadedly fixed to the connecting ring plate 13 by a cross screw 8. The sheath assembly 6 includes a protective sleeve 7 and a transparent cover 9, with the transparent cover 9 located at the protective sleeve. One end of the protective sleeve 7 is heat-fused to the transparent cover 9 and the protective sleeve 7. The protective sleeve 7 has a protective cavity 15 inside, and the inspection head 5 is inserted into the protective cavity 15. The other end of the protective sleeve 7 has a connecting slot 16, and the connecting slot 16 extends inward along the protective sleeve 7. The connecting ring plate 13 is inserted into the connecting slot 16. The outer surfaces of the connecting ring plate 13 are provided with connecting holes 14. The outer surfaces of the protective sleeve 7 are provided with screw holes 10, and one end of the cross screw 8 passes through the screw hole 10 and is threaded into the connecting hole 14.

[0023] The protective sleeve 7 is placed over the examination head 5. When it is put on, the examination head 5 is inserted into the protective cavity 15, and the connecting ring plate 13 is inserted into the connecting slot 16. This improves the stability of the connection between the protective sleeve 7 and the examination head 5 and prevents positional displacement. It is fixed by the cross screw 8, which also provides protection for the examination head 5. The transparent cover 9 does not hinder the normal image transmission of the examination head 5. The protective sleeve 7 protects the examination head 5 and prevents the lens of the examination head 5 from coming into contact with the esophagus and stomach, thus preventing corrosion and damage to the lens. In the future, only the protective sleeve assembly 6 needs to be replaced, without replacing the examination head 5, which reduces the replacement cost.

[0024] Please see Figure 1 , 3 The examination head 5 has an examination module 11 and a working channel installed inside one end. An illumination module 12 is provided on one side of the examination module 11. The examination module 11 includes an objective lens system and an image array photoelectric sensor. The light source of the illumination module 12 is an LED light. This is the existing structure of electronic gastroscopes. The image is transmitted through the examination module 11 and displayed on the display 2, which makes it easier for doctors to observe the condition of the patient's esophagus and stomach. The illumination module 12 provides supplementary lighting to facilitate clear viewing.

[0025] Please see Figure 1The operating unit 1 includes a handle 19, with an operating head 18 at the top of the handle 19 and a display 2 mounted on the top of the operating head 18. An external connector 17 is provided on one side of the handle 19. This is also the existing structure of an electronic gastroscope. After the examination head 5 is inserted into the human body, the doctor inserts a small forceps through the external connector 17 and moves it out from the working channel (not shown in the figure) of the examination head 5 to remove the mucosa or polyps in the esophagus and stomach for testing, so as to make an early diagnosis and treatment. If you accidentally swallow a foreign object, you can also use the small forceps inserted through the external connector 17 to remove the swallowed foreign object. This is the existing technology.

[0026] Please see Figure 2 The transparent cover 9 is semi-circular and made of resin lens. When one end of the examination head 5 is inserted into the stomach along the human esophagus, the semi-circular transparent cover 9 is less likely to scratch the inner wall of the esophagus when it is moved, thus improving safety. In addition, the resin lens has good light transmittance and does not interfere with the normal use of the examination head 5. It is also impact resistant, not easily damaged, and has a longer service life.

[0027] Working principle: When in use, the protective sleeve 7 is put on the outside of the inspection head 5. When putting it on, the inspection head 5 is inserted into the protective cavity 15, and at the same time, the connecting ring plate 13 is inserted into the connecting slot 16 to improve the stability of the connection between the protective sleeve 7 and the inspection head 5 and prevent positional displacement. Then, the protective sleeve 7 is rotated to adjust the position of the screw hole 10 and the connecting hole 14 to align them. One end of the cross screw 8 passes through the screw hole 10 and is threaded into the connecting hole 14 to fix the protective sleeve 7 and the connecting ring plate 13. Since one end of the connecting ring plate 13 is fixed to the insertion part 4, the protective sleeve 7 is fixed to the insertion part 4, which also provides protection for the inspection head 5. The transparent cover 9 does not hinder the normal image transmission of the inspection head 5.

[0028] When in use, one end of the examination head 5 is inserted into the stomach along the esophagus. The transparent cover 9 is semi-circular, which prevents scratching the esophageal wall during movement, improving safety. The protective sleeve 7 protects the examination head 5, preventing the lens of the examination head 5 from contacting the esophagus and stomach, thus preventing corrosion and damage to the lens. Later replacement only requires replacing the protective sleeve assembly 6, without replacing the examination head 5, reducing replacement costs. After the examination head 5 is inserted into the body, the doctor inserts small forceps through the external connector 17 and moves it out through the working channel of the examination head 5 (not shown in the figure) to remove the mucosa or polyps in the esophagus and stomach for testing, enabling early diagnosis and treatment. If you accidentally swallow a foreign object, you can also use the small forceps inserted through the external connector 17 to remove the swallowed foreign object. This is existing technology.

[0029] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A gastroscopy lens sheath, comprising an operating part (1), a connector (3) being provided at one end of the operating part (1), an insertion part (4) being provided at one end of the connector (3), an examination head (5) being provided at one end of the insertion part (4), and a display (2) being provided at the other end of the operating part (1), characterized in that: The inspection head (5) is provided with a connecting ring plate (13) on its outside, and a sheath assembly (6) is provided on the outside of the connecting ring plate (13). The sheath assembly (6) is threadedly fixed to the connecting ring plate (13) by a cross screw (8).

2. The endoscope lens sheath according to claim 1, characterized in that: The sheath assembly (6) includes a protective sleeve (7) and a transparent cover (9), with the transparent cover (9) located at one end of the protective sleeve (7) and the transparent cover (9) and the protective sleeve (7) being heat-fused together. The protective sleeve (7) has a protective cavity (15) inside, and the inspection head (5) is inserted into the protective cavity (15).

3. A gastroscopy lens sheath according to claim 2, characterized in that: The other end surface of the protective sleeve (7) is provided with a connecting slot (16), and the connecting slot (16) extends inward along the protective sleeve (7), and the connecting ring plate (13) is inserted into the connecting slot (16).

4. A gastroscopy lens sheath according to claim 3, characterized in that: The outer surfaces of the connecting ring plate (13) are provided with connecting holes (14), and the outer surfaces of the protective sleeve (7) are provided with screw holes (10). One end of the cross screw (8) passes through the screw hole (10) and is threaded to the connecting hole (14).

5. A gastroscopy lens sheath according to claim 1, characterized in that: The inspection head (5) has an inspection module (11) and a working channel installed inside one end. An illumination module (12) is provided on one side of the inspection module (11). The inspection module (11) includes an objective lens system and an image array photoelectric sensor. The light source of the illumination module (12) is an LED light.

6. A gastroscopy lens sheath according to claim 1, characterized in that: The operating unit (1) includes a handle (19), an operating head (18) is provided at the top of the handle (19), and a display (2) is mounted on the top of the operating head (18). An external connector (17) is provided on one side of the handle (19).

7. A gastroscopy lens sheath according to claim 2, characterized in that: The transparent cover (9) is semi-circular and is made of resin lens.