CN219185474U

CN219185474U - Dialysis catheter for nephrology department

Info

Publication number: CN219185474U
Application number: CN202222026183.7U
Authority: CN
Inventors: 刘琦; 刘伟丽; 陈诚
Original assignee: Fifth Medical Center of PLA General Hospital
Current assignee: Fifth Medical Center of PLA General Hospital
Priority date: 2022-08-03
Filing date: 2022-08-03
Publication date: 2023-06-16
Anticipated expiration: 2032-08-03

Abstract

The utility model relates to the technical field of dialysis catheters, in particular to a dialysis catheter for nephrology department, which comprises a dialysis catheter main body, wherein the dialysis catheter main body comprises a pipe sleeve, the bottom end of the pipe sleeve is internally connected with a one-way passing mechanism, the side surface of the pipe sleeve is connected with a fastening mechanism, and the outer surface of the pipe sleeve is connected with a first support sleeve; the unidirectional passing mechanism comprises a first cutting sleeve, an inner spring, a first supporting frame, a sliding block, a first baffle and a first supporting seat, wherein the inner wall of the pipe sleeve is connected with the first cutting sleeve, the sliding block is inserted into the first cutting sleeve, one side surface of the sliding block is connected with the inner spring, and the outer surface of the sliding block is connected with the first supporting frame. This dialysis catheter for nephrology department can effectively reduce the produced backward flow of liquid when carrying out the work through setting up one-way mechanism, and the device through setting up fastening mechanism, can effectively make things convenient for the pipe sleeve to transfer.

Description

Dialysis catheter for nephrology department

Technical Field

The utility model relates to the technical field of dialysis catheters, in particular to a dialysis catheter for nephrology department.

Background

Kidney disease is a common and frequently occurring disease, and if worsening can progress to uremia, it seriously jeopardizes people's health.

At present, the existing part of dialysis catheter is easy to generate reflux phenomenon of internal liquid during working, so that a certain potential safety hazard is possibly brought to a patient by using the dialysis catheter, and the existing part of dialysis catheter is generally fixed only by adopting a clamping mode during switching, but the switching is inconvenient by adopting the mode, so that a dialysis catheter for nephrology department is needed to solve the problems.

Disclosure of Invention

The utility model aims to provide a dialysis catheter for nephrology department, which solves the problems that the existing part of dialysis catheter provided in the background art is easy to cause blood backflow during working, brings a certain potential safety hazard to the use of patients, and causes infirm clamping after long-term use during switching.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the dialysis catheter for the nephrology department comprises a dialysis catheter main body, wherein the dialysis catheter main body comprises a tube sleeve, a one-way passing mechanism is connected inside the bottom end of the tube sleeve, a fastening mechanism is connected to the side surface of the tube sleeve, and a first support sleeve is connected to the outer surface of the tube sleeve;

the unidirectional passing mechanism comprises a first cutting sleeve, an inner spring, a first supporting frame, a sliding block, a first baffle and a first base of resisting, wherein the first cutting sleeve is connected with the inner wall of the pipe sleeve, the sliding block is inserted into the first cutting sleeve, one side surface of the sliding block is connected with the inner spring, the outer surface of the sliding block is connected with the first supporting frame, the bottom surface of the first supporting frame is connected with the first base of resisting, and the bottom outer surface of the first base of resisting is abutted with the first baffle.

Preferably, the fastening mechanism comprises a first clamping rod, a torsion spring and an inner connecting sleeve, wherein the inner connecting sleeve is connected to the outer surface of the pipe sleeve, the torsion spring is connected to the inner wall of the inner connecting sleeve, and the first clamping rod is connected to the inner wall of the torsion spring.

Preferably, one end of the inner spring is connected to the inner wall of the first clamping sleeve, and the other end of the inner spring is connected to the outer surface of the sliding block.

Preferably, one end of the torsion spring is connected with the inner wall of the inner connecting sleeve, and one end of the torsion spring is connected with the outer surface of the first clamping rod.

Preferably, the inner wall of the first baffle is provided with an annular groove, and the shape and the size of the inner wall of the annular groove are matched with the shape and the size of the outer surface of the first abutment.

Preferably, a guiding groove is formed in the first clamping sleeve, and a sliding block is connected to the inner wall of the guiding groove in a sliding mode.

Compared with the prior art, the utility model has the beneficial effects that: this dialysis catheter for nephrology department can effectively reduce the produced backward flow of liquid when carrying out the work through setting up one-way mechanism, and the device through setting up fastening mechanism, can effectively make things convenient for the pipe sleeve to transfer.

1. The device is through being provided with single pass through the mechanism, when the staff is carrying out the during operation, can be at first manually be connected pipe box and body, can be at last manually through external power supply, and the inside liquid of pipe box is sucked, and the inside of pipe box is inhaled to the accessible suction with first seat of keeping out afterwards to the convenience makes the liquid medicine get into to the pipe box, thereby can effectively reduce the produced backward flow of liquid during operation, reduce the produced potential safety hazard of the device during operation.

2. The device is provided with fastening mechanism, when the staff needs to carry out the switching to the pipe cover, can be at first manually connect pipe box and body, and the elasticity effect that then accessible torsion spring makes first draw-in lever by the back can also rebound to original place after opening, and then can effectively make things convenient for carrying out the switching fixed to the pipe cover.

Drawings

FIG. 1 is a schematic elevational cross-sectional view of the structure of the present utility model;

FIG. 2 is a schematic side cross-sectional view of the structure of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

fig. 4 is an enlarged schematic view of the structure at B in fig. 2 according to the present utility model.

In the figure: 1. a pipe sleeve; 2. a first support sleeve; 3. a first clamping rod; 4. a torsion spring; 5. an inner connecting sleeve; 6. a first ferrule; 7. an inner spring; 8. a first support frame; 9. a sliding block; 10. a first baffle; 11. a first abutment.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, an embodiment of the present utility model is provided:

the dialysis catheter for the nephrology department comprises a dialysis catheter body, wherein the dialysis catheter body comprises a tube sleeve 1, a one-way passing mechanism is connected to the inner part of the bottom end of the tube sleeve 1, a fastening mechanism is connected to the side surface of the tube sleeve 1, and a first support sleeve 2 is connected to the outer surface of the tube sleeve 1;

the unidirectional passing mechanism comprises a first cutting sleeve 6, an inner spring 7, a first supporting frame 8, a sliding block 9, a first baffle 10 and a first retaining seat 11, wherein the inner wall of the pipe sleeve 1 is connected with the first cutting sleeve 6, the sliding block 9 is inserted into the first cutting sleeve 6, one side surface of the sliding block 9 is connected with the inner spring 7, the outer surface of the sliding block 9 is connected with the first supporting frame 8, the bottom surface of the first supporting frame 8 is connected with the first retaining seat 11, the bottom outer surface of the first retaining seat 11 is abutted to the first baffle 10, and backflow of liquid can be effectively avoided by arranging the unidirectional passing mechanism.

Further, fastening mechanism includes first draw-in bar 3, torsion spring 4 and interior coupling sleeve 5, and the surface of pipe box 1 is connected with interior coupling sleeve 5, and interior coupling sleeve 5's inner wall is connected with torsion spring 4, and torsion spring 4's inner wall is connected with first draw-in bar 3, through setting up fastening mechanism, can effectively conveniently fasten fixedly between pipe box 1 and the body.

Further, one end of the inner spring 7 is connected to the inner wall of the first clamping sleeve 6, the other end of the inner spring 7 is connected to the outer surface of the sliding block 9, and the sliding block 9 can be conveniently and effectively rebounded to the original place after being extruded through the elastic force of the inner spring 7.

Further, one end of the torsion spring 4 is connected with the inner wall of the inner connecting sleeve 5, one end of the torsion spring 4 is connected with the outer surface of the first clamping rod 3, and the first clamping rod 3 can be conveniently and effectively rebounded to the original place after being opened through the elastic force of the torsion spring 4.

Further, the inner wall of the first baffle 10 is provided with an annular groove, and the shape and the size of the inner wall of the annular groove are matched with the shape and the size of the outer surface of the first base 11, so that the clamping and abutting effect can be effectively improved by arranging the matched annular groove.

Further, the inside of first cutting ferrule 6 has seted up the guiding groove, and the inner wall sliding connection of guiding groove has slider 9, through having seted up the guiding groove in the inside of first cutting ferrule 6, can effectively conveniently restrict slider 9.

Working principle: when working, the working personnel can manually connect the pipe sleeve 1 with the pipe body at first, then can manually suck the liquid in the pipe sleeve 1 through an external power supply, and then can suck the first base 11 through suction so as to conveniently enable the liquid medicine to enter the pipe sleeve 1, thereby effectively reducing the backflow of the liquid generated during working and reducing the potential safety hazard of the device during working.

When the staff needs to carry out the switching to pipe box 1, can be at first manually connect pipe box 1 and body, the elasticity effect that the accessible torsion spring 4 makes after the first draw-in lever 3 opened can also rebound to original place afterwards, and then can effectively conveniently carry out the switching to pipe box 1 and fix.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A dialysis catheter for nephrology department, comprising a dialysis catheter body, characterized in that: the dialysis catheter main body comprises a tube sleeve (1), a one-way passing mechanism is connected inside the bottom end of the tube sleeve (1), a fastening mechanism is connected to the side surface of the tube sleeve (1), and a first support sleeve (2) is connected to the outer surface of the tube sleeve (1);

the unidirectional passing mechanism comprises a first cutting sleeve (6), an inner spring (7), a first supporting frame (8), a sliding block (9), a first baffle (10) and a first abutment (11), wherein the inner wall of the pipe sleeve (1) is connected with the first cutting sleeve (6), the sliding block (9) is inserted into the first cutting sleeve (6), one side surface of the sliding block (9) is connected with the inner spring (7), the outer surface of the sliding block (9) is connected with the first supporting frame (8), the bottom surface of the first supporting frame (8) is connected with the first abutment (11), and the bottom outer surface of the first abutment (11) is abutted with the first baffle (10).

2. A dialysis catheter for nephrology according to claim 1, wherein: the fastening mechanism comprises a first clamping rod (3), a torsion spring (4) and an inner connecting sleeve (5), wherein the inner connecting sleeve (5) is connected to the outer surface of the pipe sleeve (1), the torsion spring (4) is connected to the inner wall of the inner connecting sleeve (5), and the first clamping rod (3) is connected to the inner wall of the torsion spring (4).

3. A dialysis catheter for nephrology according to claim 1, wherein: one end of the inner spring (7) is connected to the inner wall of the first clamping sleeve (6), and the other end of the inner spring (7) is connected to the outer surface of the sliding block (9).

4. A dialysis catheter for nephrology according to claim 2, wherein: one end of the torsion spring (4) is connected with the inner wall of the inner connecting sleeve (5), and one end of the torsion spring (4) is connected with the outer surface of the first clamping rod (3).

5. A dialysis catheter for nephrology according to claim 1, wherein: an annular groove is formed in the inner wall of the first baffle (10), and the shape and the size of the inner wall of the annular groove are matched with those of the outer surface of the first abutment (11).

6. A dialysis catheter for nephrology according to claim 1, wherein: the inside of first cutting ferrule (6) has seted up the guiding groove, and the inner wall sliding connection of guiding groove has sliding block (9).