Auxiliary cavity tube of endoscope

What is AI technical title?
AI technical title is built by Patsnap AI team. It summarizes the technical point description of the patent document.
By designing locking components in the endoscopic auxiliary cavity pipe, the problem of stable fixing and cleaning and disinfection between the cavity pipe and the bent pipe is solved, and the convenient installation and stable use of the cavity pipe is achieved, which improves the reliability of the equipment. and cleaning efficiency.

CN222303884UActive Publication Date: 2025-01-07NINGBO BEILUN DISTRICT HOSPITAL OF TRADITIONAL CHINESE MEDICINE

View PDF 0 Cites 0 Cited by

Patent Information

Application Number: CN202420597899.9
Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner
Filing Date: 2024-03-26
Publication Date: 2025-01-07
Estimated Expiration: 2034-03-26

AI Technical Summary

Technical Problem

The existing endoscopic auxiliary cavity pipe is unstable when used, and it is difficult to fix it easily with the bent pipe, and it is inconvenient to disassemble, clean and disinfect, resulting in difficulty in disassembly and reuse.

Method used

An endoscopic auxiliary cavity pipe including an operating handle, a bent pipe, an outer cavity pipe and a locking member is designed, and the structure is through a fixing ring, a mounting ring, a connecting ring, a push frame, a sliding block and a locking ball. , realizes stable fixation and convenient disassembly and assembly of the outer cavity pipe and the bent pipe, and enhances the stability of installation and the convenience of cleaning.

Benefits of technology

It improves the installation convenience and stability of the cavity pipe, ensures its stability and reliability during use and cleaning, and avoids the problems of disengagement and cleaning difficulties.

✦ Generated by Eureka AI based on patent content.

Smart Images

Figure CN222303884U_ABST

Patent Text Reader

Abstract

The utility model discloses an auxiliary cavity tube of an endoscope, which comprises an operating handle, an elbow adjusting tube arranged at the bottom of the operating handle, an outer cavity tube sleeved on the outer side of the elbow adjusting tube, and a lock catch component used for disassembling and assembling the outer cavity tube and the elbow adjusting tube, the lock catch component comprises a fixing ring arranged on the outer side of the bend adjusting pipe, a mounting ring arranged at one end of the outer cavity pipe and used for fixing the outer cavity pipe, a connecting ring arranged at the top of the mounting ring, a connecting groove formed in the bottom of the fixing ring, a plurality of mounting grooves formed in the outer side of the connecting groove and arrayed in the circumferential direction, and a pushing frame arranged on one side of the mounting grooves and used for extrusion. Through the operating handle, the pushing frame, the locking and buckling ball and the locking and buckling groove, the pushing frame can extrude the sliding block, the locking and buckling ball locks and fixes the connecting ring, and the problems that an existing cavity pipe cannot be conveniently installed and fixed to the bend adjusting pipe, separation is prone to occurring, and the connecting ring is damaged are solved. And the cavity tube cannot be conveniently detached for cleaning and disinfection treatment, so that the cavity tube cannot be conveniently used again.

Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of endoscopes, in particular to an endoscope auxiliary cavity tube. Background Art

[0002] Endoscopic examination is an optical instrument examination that is inserted from outside the body through the natural cavity of the human body to examine diseases inside the body. The gastroenteroscopy is a slender hose with a diameter of about 1 cm and a length of about 100 cm. The front end of the gastroenteroscopy is equipped with a light source and an endoscope. When in use, it is inserted into the upper and lower digestive tract of the subject through the mouth or anus. With the strong light emitted by the light source, the front end of the endoscope is operated to swing freely, allowing the physician to clearly observe the health status of various parts of the upper and lower digestive tract from the display screen connected to the other end, and perform pathological biopsy and cytological examination on suspicious lesions, reducing the patient's pain and recovery time.

[0003] The existing patent CN219306657U discloses an endoscope-assisted lumen tube, including a controllable bending tube module, an external lumen tube, a tip cap, and a fixed accessory. The controllable bending tube module is composed of an operating handle, a control wheel, and a bending tube. The operating handle is provided with a consumable channel connected to the bending tube. The control wheel is arranged on the operating handle for controlling the bending tube. The external lumen tube is a deformable hose, the inner diameter of which is larger than the outer diameter of the bending tube, and is arranged outside the bending tube, and the length is smaller than the length of the bending tube. The tip cap is arranged at the distal end of the external lumen tube, and the fixed accessory is arranged at the proximal end of the external lumen tube. The endoscope-assisted lumen tube provided by the utility model forms a double lumen with the original biopsy channel of the endoscope, and the displacement and direction can be controlled separately. It is flexible to operate and can implement complex endoscopic surgery.

[0004] Based on the search of the above patents and combined with the endoscopic detection in the prior art, it was found that when the above auxiliary cavity tube is in use, although the displacement and direction can be controlled separately, the installation is unstable and it is not convenient to disinfect and clean. The problems existing in the existing equipment are: the existing cavity tube cannot be conveniently installed and fixed with the bending tube, it is easy to detach, and the cavity tube cannot be conveniently disassembled for cleaning and disinfection, which is not convenient for the cavity tube to be used again. Utility Model Content

[0005] The purpose of the utility model is to provide an endoscope-assisted cavity tube to solve the problems raised by the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an endoscope auxiliary cavity tube, comprising an operating handle, an adjustment tube arranged at the bottom of the operating handle, an external cavity tube sleeved on the outside of the adjustment tube, and a locking component for disassembling the external cavity tube and the adjustment tube, wherein the locking component comprises a fixing ring arranged on the outside of the adjustment tube, a mounting ring arranged at one end of the external cavity tube for fixing the external cavity tube, a connecting ring arranged at the top of the mounting ring, a connecting groove arranged at the bottom of the fixing ring, a plurality of mounting grooves arranged circumferentially on the outside of the connecting groove, a pushing frame arranged at one side of the mounting groove for squeezing, a sliding block arranged at one side of the pushing frame for connection, a locking ball arranged at one side of the sliding block for locking, and a plurality of locking grooves arranged circumferentially on the outside of the connecting ring;

[0007] The connecting ring is movably connected to the connecting groove, the sliding block is slidably connected to the mounting groove, the two sides of the sliding block are respectively fixedly connected to the pushing frame and the locking ball, the locking ball and the locking groove are both hemispherical, and the connecting ring and the connecting groove are both annular.

[0008] Preferably, a limit block for fixing is provided on the top of the mounting ring, an extension portion for limiting is provided on one side of the limit block, an entry groove for providing activity space is opened at the bottom of the fixing ring, an embedding cavity is opened at one end of the entry groove, and the cross-section of the limit block is L-shaped.

[0009] Preferably, two support frames for supporting are arranged inside the pushing frame, the cross-sections of both sides of the support frames are arc-shaped, and the support frames and the pushing frame are fixedly connected.

[0010] Preferably, a spring sheet for supporting is provided on the inner side of the support frame, and the cross section of the spring sheet is Z-shaped.

[0011] Preferably, a sliding portion for pushing is provided on the top of the connecting ring, and the cross-section of the sliding portion is arc-shaped.

[0012] Preferably, the cross section of the sliding block is in the shape of a "convex" character.

[0013] Preferably, the inner side wall of the outer cavity tube is provided with a plurality of evenly arranged anti-slip strips, the cross section of the anti-slip strips is an isosceles trapezoid, and the anti-slip strips are ring-shaped.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The utility model operates a handle, an adjustment bend tube, an outer cavity channel tube, a fixing ring, an installation ring, a connecting ring, a connecting groove, an installation groove, a pushing frame, a sliding block, a locking ball and a locking groove. The connecting ring is movably connected to the connecting groove, the sliding block is slidably connected to the installation groove, and the two sides of the sliding block are respectively fixedly connected to the pushing frame and the locking ball. The locking ball and the locking groove are both hemispherical, and the connecting ring and the connecting groove are both annular. The installing ring drives the outer cavity channel tube to move upward from the bottom of the adjustment bend tube, and then the installing ring drives the connecting ring to be embedded in the connecting groove, and then the connecting ring can squeeze the locking ball in the installing groove, so that the locking ball squeezes the pushing frame on one side of the sliding block, and then the pushing frame in the installing groove can squeeze the sliding block, and then the sliding block drives the locking ball to be embedded in the locking groove, and multiple locking balls can lock and fix the connecting ring, thereby improving the convenience and stability of splicing and installation of the fixing ring and the installing ring.

[0016] 2. The utility model uses a limit block, an extension part, an entry groove and an embedding cavity. The cross-section of the limit block is L-shaped. The fixed ring drives the limit block to embed into the entry groove, and then the fixed ring is rotated to make the fixed ring drive the limit block to rotate in the entry groove. Then the limit block drives the extension part to enter the embedding cavity, so that multiple limit blocks can splice and install the fixed ring and the installation ring, thereby improving the stability of the fixed outer cavity tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a left-side cutaway stereoscopic view of the overall structure of the utility model;

[0019] Figure 3 The overall structure of the utility model Figure 2 Enlarged view of point A in the middle;

[0020] Figure 4 The overall structure of the utility model Figure 2 Enlarged view of point B in the middle;

[0021] Figure 5 It is a structural schematic diagram of the fixing ring, the mounting ring, the connecting ring, the limiting block and the extension part in the overall structure of the utility model;

[0022] Figure 6 It is a schematic structural diagram of the bending pipe, the fixing ring, the entry groove and the embedding cavity in the overall structure of the utility model.

[0023] In the figure: 1. operating handle; 11. bending adjustment tube; 12. outer cavity tube; 13. fixing ring; 14. mounting ring; 15. connecting ring; 16. connecting groove; 17. mounting groove; 18. pushing frame; 19. sliding block; 20. locking ball; 21. locking groove; 22. limiting block; 23. extension part; 24. entry groove; 25. embedded cavity; 26. supporting frame; 27. spring piece; 121. anti-slip strip; 151. sliding part. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] In order to further understand the content, features and effects of the present invention, the following embodiments are given as examples and described in detail with reference to the accompanying drawings.

[0026] The structure of the utility model is described in detail below in conjunction with the accompanying drawings.

[0027] like Figures 1 to 6 As shown, an endoscope auxiliary cavity tube provided by an embodiment of the utility model comprises an operating handle 1, an adjusting bend tube 11 arranged at the bottom of the operating handle 1, an outer cavity tube 12 sleeved on the outer side of the adjusting bend tube 11, and a locking component for disassembling and assembling the outer cavity tube 12 and the adjusting bend tube 11, wherein the locking component comprises a fixing ring 13 arranged on the outer side of the adjusting bend tube 11, a mounting ring 14 arranged at one end of the outer cavity tube 12 for fixing the outer cavity tube 12, a connecting ring 15 arranged at the top of the mounting ring 14, a connecting groove 16 provided at the bottom of the fixing ring 13, a plurality of mounting grooves 17 arranged circumferentially outside the connecting groove 16, a pushing frame 18 provided on one side of the mounting groove 17 for squeezing, a sliding block 19 provided on one side of the pushing frame 18 for connection, a locking ball 20 provided on one side of the sliding block 19 for locking, and a plurality of locking grooves 21 arranged circumferentially outside the connecting ring 15;

[0028] The connecting ring 15 is movably connected to the connecting groove 16, the sliding block 19 is slidably connected to the mounting groove 17, and the two sides of the sliding block 19 are respectively fixedly connected to the pushing frame 18 and the locking ball 20, the locking ball 20 and the locking groove 21 are both hemispherical, and the connecting ring 15 and the connecting groove 16 are both annular.

[0029] refer to Figure 5 and Figure 6A limit block 22 for fixing is provided on the top of the mounting ring 14, an extension portion 23 for limiting is provided on one side of the limit block 22, an entry groove 24 for providing a movable space is provided at the bottom of the fixing ring 13, an embedding cavity 25 is provided at one end of the entry groove 24, and the cross-section of the limit block 22 is L-shaped.

[0030] The above scheme is adopted: through the limit block 22, the extension part 23, the entry groove 24 and the embedding cavity 25, the cross-section of the limit block 22 is L-shaped, the fixed ring 13 drives the limit block 22 to embed into the entry groove 24, and then the fixed ring 13 is rotated, so that the fixed ring 13 drives the limit block 22 to rotate in the entry groove 24, and then the limit block 22 drives the extension part 23 to enter the embedding cavity 25, so that multiple limit blocks 22 are spliced and installed on the fixing ring 13 and the installation ring 14, thereby improving the stability of the fixed outer cavity tube 12.

[0031] refer to Figure 3 Two support frames 26 for supporting are arranged inside the pushing frame 18 . The cross-sections of both sides of the support frames 26 are arc-shaped. The support frames 26 and the pushing frame 18 are fixedly connected.

[0032] The above solution is adopted: through the support frame 26, the cross-sections on both sides of the support frame 26 are arc-shaped, the support frame 26 and the pushing frame 18 are fixedly connected, and the two support frames 26 can squeeze and push the pushing frame 18, thereby improving the strength and stability of the pushing frame 18 squeezing and pushing the sliding block 19.

[0033] refer to Figure 3 A spring piece 27 for supporting is disposed inside the support frame 26, and the cross section of the spring piece 27 is Z-shaped.

[0034] The above solution is adopted: through the spring piece 27, the cross section of the spring piece 27 is Z-shaped, and the spring piece 27 can support the support frame 26 to improve the compression resistance of the support frame 26.

[0035] refer to Figure 3 The top of the connecting ring 15 is provided with a sliding portion 151 for pushing, and the cross section of the sliding portion 151 is arc-shaped.

[0036] The above solution is adopted: through the sliding part 151, the cross-section of the sliding part 151 is arc-shaped, and the sliding part 151 can squeeze and push the locking ball 20, thereby improving the convenience of the connecting ring 15 entering the connecting groove 16.

[0037] refer to Figure 3 The cross section of the sliding block 19 is a "convex" shape.

[0038] By adopting the above solution, the sliding block 19 has a "convex"-shaped cross section, and the mounting groove 17 can limit the sliding block 19 to prevent the sliding block 19 from escaping from the mounting groove 17, thereby improving the stability of the sliding block 19 driving the locking ball 20 to move.

[0039] refer to Figure 4 The inner wall of the outer cavity tube 12 is provided with a plurality of uniformly arranged anti-slip strips 121, the cross section of the anti-slip strip 121 is an isosceles trapezoid, and the anti-slip strip 121 is annular.

[0040] The above scheme is adopted: through the anti-slip strip 121, the cross-section of the anti-slip strip 121 is an isosceles trapezoid, and the anti-slip strip 121 is annular, which can increase the contact area between the side wall of the outer cavity tube 12 and the outer side wall of the bending adjustment tube 11, improve the damping effect of the contact between the outer cavity tube 12 and the bending adjustment tube 11, and avoid sliding between the outer cavity tube 12 and the bending adjustment tube 11.

[0041] The working principle of this utility model:

[0042] First, the mounting ring 14 drives the outer cavity tube 12 to move upward from the bottom of the bending tube 11, and then the mounting ring 14 drives the connecting ring 15 to embed into the connecting groove 16, and at the same time, the fixing ring 13 drives the limit block 22 to embed into the entry groove 24, and then the fixing ring 13 is rotated, so that the fixing ring 13 drives the limit block 22 to rotate in the entry groove 24, and at the same time, the limit block 22 drives the extension part 23 to enter the embedding cavity 25, and then the sliding part 151 at the top of the connecting ring 15 squeezes the locking ball 20 in the mounting groove 17, and at the same time, the locking ball 20 squeezes the pushing frame 18 on one side of the sliding block 19. Since the force is mutual, then the pushing frame 18 in the mounting groove 17 squeezes the sliding block 19, and at the same time, the spring piece 27 supports the support frame 26, and then the support frame 26 squeezes and pushes the pushing frame 18, and then the sliding block 19 drives the locking ball 20 to embed into the locking groove 21, and then multiple locking balls 20 lock and fix the connecting ring 15.

[0043] The contents not described in detail in this specification belong to the prior art known to professionals in this field.

[0044] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. An endoscope auxiliary lumen tube, comprising an operating handle (1), a bending adjustment tube (11) arranged at the bottom of the operating handle (1), an external lumen tube (12) sleeved on the outside of the bending adjustment tube (11), and a locking component for disassembling the external lumen tube (12) and the bending adjustment tube (11), characterized in that: The locking component comprises a fixing ring (13) arranged on the outside of the bending adjustment tube (11), a mounting ring (14) arranged on one end of the outer cavity tube (12) for fixing the outer cavity tube (12), a connecting ring (15) arranged on the top of the mounting ring (14), a connecting groove (16) arranged on the bottom of the fixing ring (13), a plurality of mounting grooves (17) arranged on the outer side of the connecting groove (16) and arranged circumferentially, a pushing frame (18) arranged on one side of the mounting groove (17) for squeezing, a sliding block (19) arranged on one side of the pushing frame (18) for connection, a locking ball (20) arranged on one side of the sliding block (19) for locking, and a plurality of locking grooves (21) arranged on the outer side of the connecting ring (15) and arranged circumferentially; The connecting ring (15) is movably connected to the connecting groove (16), the sliding block (19) is slidably connected to the mounting groove (17), and the two sides of the sliding block (19) are respectively fixedly connected to the pushing frame (18) and the locking ball (20), the locking ball (20) and the locking groove (21) are both hemispherical, and the connecting ring (15) and the connecting groove (16) are both annular.

2. The endoscope-assisted lumen tube according to claim 1, characterized in that: A limit block (22) for fixing is provided at the top of the mounting ring (14), an extension portion (23) for limiting is provided on one side of the limit block (22), an entry groove (24) for providing a movable space is provided at the bottom of the fixing ring (13), an embedding cavity (25) is provided at one end of the entry groove (24), and the cross section of the limit block (22) is L-shaped.

3. The endoscope-assisted lumen tube according to claim 1, characterized in that: Two support frames (26) for supporting are arranged inside the pushing frame (18), and the cross-sections of both sides of the support frame (26) are arc-shaped. The support frame (26) and the pushing frame (18) are fixedly connected.

4. The endoscope-assisted lumen tube according to claim 3, characterized in that: A spring sheet (27) for supporting is arranged inside the support frame (26), and the cross section of the spring sheet (27) is Z-shaped.

5. The endoscope-assisted lumen tube according to claim 1, characterized in that: The top of the connecting ring (15) is provided with a sliding portion (151) for pushing, and the cross section of the sliding portion (151) is arc-shaped.

6. The endoscope-assisted lumen tube according to claim 1, characterized in that: The cross section of the sliding block (19) is in the shape of a "convex" character.

7. The endoscope-assisted lumen tube according to claim 1, characterized in that: The inner side wall of the outer cavity tube (12) is provided with a plurality of uniformly arranged anti-slip strips (121), the cross section of the anti-slip strips (121) is an isosceles trapezoid, and the anti-slip strips (121) are ring-shaped.