Splicing combination joint for end part of drainage nasobiliary duct

By designing a combined connector for the end of the nasobiliary drainage tube with an internal tube and a one-way valve structure, the problems of inconvenient connection of the nasobiliary tube and reduced one-way flow after ERCP are solved, achieving the effects of rapid installation and reduced replacement costs.

CN223944774UActive Publication Date: 2026-02-27ANSTEEL GRP CORP GENERAL HOSPITAL (ANSTEEL EMERGENCY CENT)
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202423119275.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-18
Publication Date
2026-02-27
Estimated Expiration
2034-12-18

AI Technical Summary

Technical Problem

In existing technologies, the connection between the nasobiliary duct and the drainage bag after ERCP is inconvenient, which can easily cause leakage of drainage fluid. Furthermore, the unidirectional fluidity function decreases after prolonged use, leading to inconvenience in replacement and increased costs.

Method used

A nasobiliary drainage tube end splicing combination connector was designed, which adopts an internal tube and a one-way valve structure. It can be quickly installed and disassembled by using a lever buckle, avoiding the need to replace the entire tube and maintaining one-way flow.

Benefits of technology

It enables simple and quick nasobiliary tube connection, avoiding the problems of reduced one-way flow and increased replacement costs caused by prolonged use.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223944774U_ABST
    Figure CN223944774U_ABST
Patent Text Reader

Abstract

The utility model discloses a drainage nasobiliary tube end splicing combination joint, which relates to the technical field of medical instruments, and comprises a connecting block, a runner tube is inserted in the connecting block, two ends of the connecting block are respectively connected with a first tube body and a second tube body, the inside of the first tube body is connected with a built-in cylinder, a fixing ring is fixed on the inner wall of the built-in cylinder, and the inner wall of the built-in cylinder is connected with the second tube body. A one-way valve is fixed to the inner side of the fixing ring, a first connecting sleeve is fixed to the end, away from the runner pipe, of the outer wall of the first pipe body, threads are arranged on the outer wall of the first connecting sleeve, and pipe caps are connected to the two ends of the runner pipe. According to the utility model, the built-in cylinder is used for providing installation conditions for the two one-way flaps, so that medical staff can conveniently transfer and install the built-in cylinder by shifting the buckle, the operation is convenient and fast, and the first tube body and all parts on the first tube body are prevented from being completely replaced; by means of the design, the problems that after flowing liquid in the pipe body flows for a long time, the one-way flowability control functionality is reduced, replacement is inconvenient, and the replacement cost is increased are solved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to medical equipment technical field especially, relate to a drainage nasal biliary duct end splicing combination joint. BACKGROUND

[0002] The Chinese full name of ERCP is called endoscopic retrograde cholangiopancreatography, after EPCP operation, nasal biliary duct drainage operation needs to be carried out for about a week, in the clinic, the conventional nasal biliary duct and drainage tube do not have adaptive connecting equipment, and the conventional tube connection is achieved by winding the tube with adhesive tape, since the drainage time after operation is long, replacement operation is needed, therefore, the operation is inconvenient, and leakage of drainage liquid is easily caused.

[0003] In the prior art, the patent (CN216061672U) provides a one-way valve type drainage nasal biliary duct end connecting tube joint for use after ERCP operation, which comprises a tube body, the tube diameters of the two ends of the tube body are respectively adapted to be inserted into a drainage nasal biliary duct and a drainage bag pipeline, the utility model sets a tube joint with two ends adapted to the drainage nasal biliary duct and the drainage bag pipeline, the drainage nasal biliary duct and the drainage bag pipeline are adapted to be inserted into the two ends of the tube joint with interference, which is convenient to operate, liquid leakage is not easily caused, and the tube joint is convenient to disassemble.

[0004] However, in the prior art, the control of one-way flow of the liquid flowing in the tube body for a long time is reduced in functionality, replacement is inconvenient, and the replacement cost is increased, therefore, the present application provides a drainage nasal biliary duct end splicing combination joint. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a drainage nasal biliary duct end splicing combination joint, which provides installation conditions for two one-way valves by using an inner cylinder, facilitates medical staff to transfer and install the inner cylinder by turning the buckle, is convenient and fast to operate, avoids the replacement of all components of the first tube body, solves the problems of reduction in one-way flow control of the liquid flowing in the tube body for a long time, inconvenience in replacement, and increase in replacement cost, and overcomes the deficiencies of the prior art.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] A drainage nasal biliary duct end splicing combination joint, comprising a connecting block, a flow-through pipe is inserted into the connecting block, first and second tube bodies are connected to the two ends of the connecting block, respectively, an inner cylinder is connected to the inside of the first tube body, a fixed ring is fixed to the inner wall of the inner cylinder, a one-way valve is fixed to the inner side of the fixed ring, a first connecting sleeve is fixed to the outer wall of the first tube body away from the flow-through pipe, and threads are arranged on the outer wall of the first connecting sleeve.

[0008] As a further scheme of the utility model: the both ends of the flow pipe are connected with pipe caps, and the two pipe caps are clamped on the end inner walls of the first pipe body and the second pipe body respectively.

[0009] As a further scheme of the utility model: the both ends of the flow pipe are connected with pipe caps, and the two pipe caps are clamped on the end inner walls of the first pipe body and the second pipe body respectively.

[0010] As a further scheme of the utility model: the both ends of the flow pipe are connected with pipe caps, and the two pipe caps are clamped on the end inner walls of the first pipe body and the second pipe body respectively.

[0011] As a further scheme of the utility model: the both ends of the flow pipe are connected with pipe caps, and the two pipe caps are clamped on the end inner walls of the first pipe body and the second pipe body respectively.

[0012] As a further scheme of the utility model: the both ends of the flow pipe are connected with pipe caps, and the two pipe caps are clamped on the end inner walls of the first pipe body and the second pipe body respectively.

[0013] As a further scheme of the utility model: the both ends of the flow pipe are connected with pipe caps, and the two pipe caps are clamped on the end inner walls of the first pipe body and the second pipe body respectively.

[0014] The utility model discloses beneficial effects are:

[0015] The utility model discloses beneficial effects are: BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a first perspective three-dimensional structure schematic diagram of the combined joint of the end splicing of the drainage nasogastric tube that the utility model proposes.

[0017] Figure 2 It is a second perspective three-dimensional structure schematic diagram of the combined joint of the end splicing of the drainage nasogastric tube that the utility model proposes.

[0018] Figure 3 It is a section structure schematic diagram of the combined joint of the end splicing of the drainage nasogastric tube that the utility model proposes.

[0019] Figure 4 It is a combined joint of the end splicing of the drainage nasogastric tube that the utility model proposes. Figure 3 It is the enlarged structure schematic diagram of the combined joint of the end splicing of the drainage nasogastric tube that the utility model proposes.

[0020] In the figure: 1, connecting block; 2, first pipe body; 3, first connecting sleeve; 4, holding ring; 5, second pipe body; 6, second connecting sleeve; 7, knob; 8, one-way valve; 9, fixed ring; 10, flow pipe; 11, pipe cap; 12, sealing ring; 13, built-in cylinder. DETAILED DESCRIPTION

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

[0022] Embodiment 1, refer to Figures 1-4 A drainage nasobiliary tube end splicing combined joint, comprising a connecting block 1, a flow pipe 10 is inserted in the connecting block 1, the connecting block 1 is connected with a first pipe body 2 and a second pipe body 5 at both ends respectively, the first pipe body 2 is connected with a built-in cylinder 13 inside, the inner wall of the built-in cylinder 13 is fixed with a fixed ring 9 at the middle and the bottom end, the inner side of the two fixed rings 9 is fixed with a one-way valve 8;

[0023] Both ends of the flow pipe 10 are connected with a pipe cap 11, the two pipe caps 11 are clamped on the end inner wall of the first pipe body 2 and the second pipe body 5 respectively, the sealing ring 12 is fixed between the two pipe caps 11 and the inner wall of the first pipe body 2 and the second pipe body 5;

[0024] The built-in cylinder 13 is connected with the first pipe body 2 through threads, and the inner wall top end of the built-in cylinder 13 is fixed with two knobs 7 symmetrically.

[0025] The built-in cylinder 13 is rotated by rotating the two knobs 7, which facilitates the quick installation of the built-in cylinder 13 into the first pipe body 2, and the built-in cylinder 13 can also be disassembled from the first pipe body 2, which is convenient and fast, and avoids replacing all the components on the first pipe body 2.

[0026] Embodiment 2, this embodiment is optimized on the basis of embodiment 1, specifically:

[0027] The outer wall of the connecting block 1 is fixed with a holding ring 4, the outer wall of the first pipe body 2 is fixed with a first connecting sleeve 3 away from the flow pipe 10, the outer wall of the first connecting sleeve 3 is provided with threads, the outer wall of the second pipe body 5 is fixed with a second connecting sleeve 6 away from the flow pipe 10, the outer wall of the second connecting sleeve 6 is provided with an insertion slot, and the first connecting sleeve 3 and the second connecting sleeve 6 are convenient for connecting with the end of the nasobiliary tube component.

[0028] The above merely is the preferred specific implementation manner of the present utility model, but the protection scope of the present utility model is not limited to this, any skilled person in the technical field according to the technical scheme and the utility model concept of the present utility model is equivalent to replace or change within the technical range disclosed by the present utility model, and should be covered in the protection scope of the present utility model.

Claims

1. A combined joint for splicing the end of a naso-biliary drain, comprising a connecting block (1), characterized in that, The connecting block (1) is internally inserted with a flow pipe (10), two ends of the connecting block (1) are respectively connected with a first pipe body (2) and a second pipe body (5), the first pipe body (2) is internally connected with an internal cylinder (13), the inner wall of the internal cylinder (13) is fixedly connected with a fixed ring (9), the inner side of the fixed ring (9) is fixedly connected with a one-way valve (8), the outer wall of the first pipe body (2) is fixedly connected with a first connecting sleeve (3) away from one end of the flow pipe (10), and the outer wall of the first connecting sleeve (3) is provided with threads.

2. The combined joint of the end of the drainage nasobiliary tube according to claim 1, wherein, Both ends of the flow pipe (10) are connected with pipe caps (11), and the two pipe caps (11) are respectively clamped on the end inner walls of the first pipe body (2) and the second pipe body (5).

3. The combined end-to-end joint of a drainage nasobiliary tube according to claim 2, wherein Sealing rings (12) are fixed between the two pipe caps (11) and the inner walls of the first pipe body (2) and the second pipe body (5).

4. The combined end-to-end joint for a drainage nasobiliary tube according to claim 1, wherein The internal cylinder (13) is connected with the first pipe body (2) through threads, and the inner wall top end of the internal cylinder (13) is symmetrically fixed with two pull buckles (7).

5. The combined end-to-end splicing joint of a drainage naso-biliary tube according to claim 4, wherein, The fixed ring (9) in the internal cylinder (13) is provided with two, and the two fixed rings (9) are respectively located in the middle and the bottom end of the inner wall of the internal cylinder (13), and the inner side of the two fixed rings (9) is fixedly connected with a one-way valve (8).

6. The combined end-to-end joint for a drainage nasobiliary tube according to claim 1, wherein The outer wall of the connecting block (1) is fixedly sleeved with a holding ring (4).

7. The combined end-to-end joint for a drainage nasobiliary tube according to claim 1, wherein The outer wall of the second pipe body (5) is fixedly connected with a second connecting sleeve (6) away from one end of the flow pipe (10), and the outer wall of the second connecting sleeve (6) is provided with a plug-in groove.

Citation Information

Patent Citations

  • End connecting pipe joint of one-way valve type drainage nasobiliary duct used after ERCP

    CN216061672U