CN217014168U

CN217014168U - Prevent blockking up abdominocentesis honeycomb duct

Info

Publication number: CN217014168U
Application number: CN202220026652.2U
Authority: CN
Inventors: 胡凤霞; 彭经宙; 胡漂; 孔建英
Original assignee: First Peoples Hospital of Xiaoshan District
Current assignee: First Peoples Hospital of Xiaoshan District
Priority date: 2022-01-06
Filing date: 2022-01-06
Publication date: 2022-07-22
Anticipated expiration: 2032-01-06

Abstract

The utility model discloses an anti-blocking abdominal puncture flow guide tube which comprises a flow guide tube and a puncture needle, wherein the puncture needle is of a cylindrical rod-shaped structure, one end of the puncture needle is provided with a conical needle head, the other end of the puncture needle is provided with a first external thread, the flow guide tube comprises a flow guide inner tube and a flow guide outer tube, the flow guide inner tube is of a hollow cylindrical cavity structure, one end of the flow guide inner tube is provided with a plurality of through holes, the outer surface of the other end of the flow guide inner tube is provided with a second external thread, the inner surface of the flow guide inner tube is provided with a first internal thread, one side of the flow guide inner tube, which is close to the through holes, is provided with a guide head, the flow guide outer tube is sleeved on the flow guide inner tube, one end of the flow guide outer tube is provided with a second internal thread, and the other end of the flow guide outer tube is provided with an opening. The drainage pipe is divided into the inner diversion pipe and the outer diversion pipe, the inner diversion pipe and the outer diversion pipe are disassembled and combined, the drainage is facilitated, the through holes in the inner diversion pipe are favorable for smooth drainage, and the opening-expanding opening formed in the outer diversion pipe can effectively prevent the blockage of the mouth of the flow diversion pipe during drainage.

Description

Prevent blockking up abdominocentesis honeycomb duct

Technical Field

The utility model relates to the technical field of medical instruments, in particular to an anti-blocking abdominal puncture flow guide pipe.

Background

The abdominal cavity puncture is a technology for directly puncturing an abdominal cavity from the abdominal front wall through a puncture needle or a catheter to extract an abdominal cavity effusion so as to assist diagnosis and treatment of diseases.

The drainage tube for the abdominal cavity puncture in the current market is easily blocked by viscous blood drained from the abdominal cavity and dropped tissues during drainage, so that the problem of unsmooth drainage is caused; the existing drainage tube is mostly used for injecting gas into the drainage tube to push the blocked part when the existing drainage tube is blocked, or the bag is arranged at different positions of the drainage tube, when the drainage tube is blocked, the gas is pressed in from the blocked part and the abdominal cavity, the blocked part is loosened and pushed out of the drainage tube through air pressure, but the problem of air leakage of the air duct or the air bag is often encountered in the operation, and the successful operation of abdominal cavity puncture is difficult to ensure.

Therefore, the anti-blocking abdominal puncture guide tube is designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects that a flow guide pipe is easy to block and inconvenient to use in the prior art, and provides an anti-blocking abdominal puncture flow guide pipe.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a prevent blockking up abdominocentesis honeycomb duct, includes honeycomb duct and pjncture needle, the pjncture needle is cylindrical rod-like structure, and one end is provided with conical syringe needle, and the other end is provided with first external screw thread, the honeycomb duct includes water conservancy diversion inner tube and water conservancy diversion outer tube, the water conservancy diversion inner tube is hollow cylinder cavity structures, and a plurality of through-holes have been seted up to its one end, and the surface of the other end is provided with the second external screw thread, and the internal surface is provided with first internal thread, is close to one side of through-hole is provided with the guide head, the water conservancy diversion outer tube housing is established on the water conservancy diversion inner tube, the one end of water conservancy diversion outer tube is provided with the second internal thread, and the other end is provided with the mouth of opening by relaxation.

Preferably, the guide head is of a sleeve structure coated on the outer surface of the flow guide inner pipe, the outer diameter of the guide head is gradually increased from one end to the other end, and the end with the large outer diameter is located on one side close to the through hole.

Preferably, the relaxation opening is a deformable structure with a strip-shaped gap.

Preferably, the outer diameter of the puncture needle is the same as the inner diameter of the flow guide inner tube, and the first external thread is meshed with the first internal thread.

Preferably, the inner diameter of the diversion outer pipe is the same as the outer diameter of the diversion inner pipe, and the second internal thread is meshed with the second external thread.

Preferably, the length of the relaxation opening is not less than the length of the guide head.

Preferably, a rotating handle is fixedly arranged at one side end part of the puncture needle.

Preferably, one end of the guide head, which is close to the through hole, is provided with a buffer ring with a slope.

Compared with the prior art, the utility model has the beneficial effects that:

the flow guide pipe is simple in integral structure and convenient to assemble, the flow guide pipe is split into the inner flow guide pipe and the outer flow guide pipe, and the split combination is convenient to replace;

the through holes on the guide inner pipe are beneficial to smooth drainage, and the drainage pipe is prevented from being blocked due to the blockage of a certain through hole, so that the risk of blocking the pipe orifice is reduced;

the opening size of the opening can be flexibly adjusted by the guide head with the gradually increased outer diameter on the flow guide outer pipe, and the blockage of the through hole and the pipe orifice of the flow guide inner pipe is effectively prevented.

Drawings

FIG. 1 is a schematic view of the overall assembly structure of an anti-clogging abdominal puncture flow guide tube provided by the utility model;

FIG. 2 is a disassembled view of a puncture needle and a guide tube of the anti-clogging abdominal puncture guide tube provided by the utility model;

FIG. 3 is a schematic view of the structure of the outer flow guiding tube of the anti-clogging abdominocentesis flow guiding tube according to the present invention;

FIG. 4 is a schematic view of the structure of the inner flow guiding tube of the anti-clogging abdominocentesis flow guiding tube according to the present invention;

FIG. 5 is a first perspective view of the anti-clogging abdominocentesis catheter with the diastolic port on the guide head according to the present invention;

fig. 6 is a second perspective view of the anti-clogging peritoneal puncture catheter with the diastolic port located on the guide head.

The reference numbers in the figures: 100. a flow guiding inner pipe; 101. a guide head; 102. a through hole; 103. a second external thread; 104. a first internal thread; 105. a cushion ring; 200. a diversion outer pipe; 201. a second internal thread; 202. opening the mouth; 300. puncturing needles; 301. a needle head; 302. a first external thread; 303. and (7) rotating a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example (b):

as shown in fig. 2 and 4, the anti-clogging peritoneal puncture flow guide tube comprises a flow guide tube and a puncture needle 300, wherein the puncture needle 300 is of a cylindrical rod-shaped structure, one end of the puncture needle is provided with a conical needle head 301, the other end of the puncture needle is provided with a first external thread 302, and the needle head 301 of the puncture needle 300 is made of a metal material, so that the puncture is facilitated; the drainage tube comprises a drainage inner tube 100 and a drainage outer tube 200, the drainage inner tube 100 is a hollow cylindrical cavity structure, one end of the drainage inner tube is provided with a plurality of through holes 102, the outer surface of the other end of the drainage inner tube is provided with second external threads 103, the inner surface of the drainage inner tube is provided with first internal threads 104, the external drainage tube can be provided with a connector matched with the first internal threads 104, and the drainage tube is connected with the drainage tube through the first internal threads 104 to lead effusion in the abdominal cavity of the patient into the liquid collecting bag; the outer diameter of the puncture needle 300 is the same as the inner diameter of the guide inner tube 100, the first external thread 302 is in fit engagement with the first internal thread 104, and a rotating handle 303 is fixedly arranged at one side end of the puncture needle 300 in order to rotate the puncture needle 300.

It should be noted that a guide head 101 is disposed on a side close to the through hole 102, the guide head 101 is a sleeve structure coated on the outer surface of the inner flow guiding pipe 100, the outer diameter of the guide head 101 gradually increases from one end to the other end, and the end with the larger outer diameter is located on the side close to the through hole 102.

In particular, to facilitate the insertion of the cannula, the end of the guide head 101 close to the through hole 102 is provided with a tapered buffer ring 105.

As shown in fig. 2 and fig. 3, the flow guide outer tube 200 is sleeved on the flow guide inner tube 100, one end of the flow guide outer tube 200 is provided with a second internal thread 201, the other end is provided with a relaxation opening 202, and the relaxation opening 202 is a deformable structure with a strip-shaped gap; the relaxation opening 202 is treated in a mode of round corners and the like, so that abdominal tissues of a patient are prevented from being injured; the inner diameter of the outer guide tube 200 is the same as the outer diameter of the inner guide tube 100, the second internal thread 201 is meshed with the second external thread 103, and the length of the diastole 202 is not less than the length of the guide head 101.

The use method of the anti-blocking abdominal cavity puncture flow guide pipe comprises the following steps:

firstly, sleeving a flow guide outer pipe 200 on a flow guide inner pipe 100, rotating the flow guide outer pipe 200 to enable the flow guide outer pipe 200 to move towards one side of a guide head 101 when a second internal thread 201 is contacted with a second external thread 103, and stopping rotating when an opening relaxation port 202 is contacted and attached with the guide head 101;

secondly, inserting the puncture needle 300 into the tube of the inner guide tube 100, rotating the rotating handle 303 to enable the puncture needle 300 to move towards one end of the through hole 102 when the first external thread 302 is contacted with the first internal thread 104, stopping rotating after the needle head 301 extends out of a proper position from one end of the through hole 102, assembling the inner guide tube 100, the outer guide tube 200 and the puncture needle 300 into a whole at the moment, performing puncture work in the state shown in figure 1, and placing the guide tube into a proper position in the abdominal cavity of a patient with the aid of the puncture needle 300;

thirdly, a rotating handle 303 is screwed to take the puncture needle 300 out of the inner flow guide tube 100, the connector of the external drainage tube is connected with the inner flow guide tube 100 through a first internal thread 104, and the other end of the external drainage tube is communicated with a liquid collection bag;

fourthly, in order to prevent the port of the through hole 102 from being blocked, on the basis of the first step, the outer diversion tube 200 is continuously rotated, the diastolic port 202 moves towards one end of the through hole 102 along with the guide head 101, the outer diameter of the guide head 101 gradually increases, the opening of the diastolic port 202 gradually increases, an umbrella-shaped structure is formed on the periphery of the through hole 102, in the process, the diastolic port 202 is always tightly attached to the guide head 101, the size of the umbrella-shaped structure formed by the diastolic port 202 is adjusted according to the actual use requirement through the moving distance of the outer diversion tube 200, and the protection effect is formed on the through hole 102 and the pipe orifice of the inner diversion tube 100 to prevent the blocking as shown in fig. 5 and fig. 6.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the utility model concepts of the present invention in the scope of the present invention.

Claims

1. The utility model provides a prevent blockking up abdominocentesis honeycomb duct, includes honeycomb duct and pjncture needle (300), its characterized in that, pjncture needle (300) are cylindrical bar-shaped structure, and one end is provided with conical syringe needle (301), and the other end is provided with first external screw thread (302), the honeycomb duct includes water conservancy diversion inner tube (100) and water conservancy diversion outer tube (200), water conservancy diversion inner tube (100) are hollow cylinder cavity structure, and a plurality of through-holes (102) have been seted up to its one end, and the surface of the other end is provided with second external screw thread (103), and the internal surface is provided with first internal thread (104), is close to one side of through-hole (102) is provided with guide head (101), water conservancy diversion outer tube (200) cover is established on water conservancy diversion inner tube (100), the one end of water conservancy diversion outer tube (200) is provided with second internal thread (201), and the other end is provided with and opens mouthful (202).

2. The anti-clogging abdominocentesis catheter according to claim 1, wherein the guiding head (101) is a sleeve structure covering the outer surface of the guiding inner tube (100), the outer diameter of the sleeve structure gradually increases from one end to the other end, and the end with the larger outer diameter is located at the side close to the through hole (102).

3. The anti-clogging abdominocentesis catheter of claim 1, wherein said opening (202) is a deformable structure with a strip-shaped notch.

4. The anti-clogging abdominocentesis catheter of claim 1, wherein the outer diameter of said puncture needle (300) is the same as the inner diameter of said catheter inner tube (100), and said first external thread (302) is engaged with said first internal thread (104).

5. The anti-clogging abdominocentesis catheter of claim 1, wherein the inner diameter of said outer catheter tube (200) is the same as the outer diameter of said inner catheter tube (100), and said second internal thread (201) engages with said second external thread (103).

6. The anti-clogging abdominocentesis catheter of claim 1, wherein the length of said diastole (202) is not less than the length of said introducer (101).

7. The anti-clogging celiac puncture flow guide tube according to claim 4, wherein a rotating handle (303) is fixedly arranged on one side end part of the puncture needle (300).

8. The anti-clogging abdominocentesis catheter according to claim 2, characterized in that a tapered cushion ring (105) is provided at one end of said guide head (101) close to said through hole (102).