CN215134438U

CN215134438U - Fixing device of blood vessel access for hemodialysis

Info

Publication number: CN215134438U
Application number: CN202121467064.4U
Authority: CN
Inventors: 高敏; 周燕; 马越
Original assignee: Affiliated Hospital of Jiangsu University
Current assignee: Affiliated Hospital of Jiangsu University
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2021-12-14
Anticipated expiration: 2031-06-29

Abstract

The utility model discloses a fixing device of a blood vessel passage for hemodialysis, which comprises a positioning frame and an open slot arranged at one side of the positioning frame, wherein a clamping component for clamping the blood vessel passage is arranged in the positioning frame; the clamping assembly is specifically an inverted V-shaped clamping plate which is arranged in the positioning frame in a vertically sliding manner and a driving assembly for driving the inverted V-shaped clamping plate to slide vertically; drive assembly specifically sets up in the adjusting screw at type of falling V grip block top for rotating, adjusting screw and locating frame top threaded connection, and the one side top fixedly connected with guide bar of open slot is kept away from to type of falling V grip block, and the guide bar slides and sets up in the guide holder, guide holder and locating frame top fixed connection. The utility model discloses in, move down through the drive assembly drive type of falling V grip block and be close to the locating frame lower part, fix the blood vessel route in the locating frame, replace the mode of pasting of traditional medical sticky tape to improve the fixed stability of blood vessel route.

Description

Fixing device of blood vessel access for hemodialysis

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a fixing device of vascular route for hemodialysis.

Background

Hemodialysis (HD) is one of the alternative treatments for the kidney of patients with acute and chronic renal failure. The blood and electrolyte solution (dialysate) with similar concentration of organism are arranged inside and outside one hollow fiber by draining the blood in vivo to the outside of the body through a dialyzer consisting of a plurality of hollow fibers, and the material exchange is carried out by dispersion/convection, thereby removing the metabolic waste in the body and maintaining the balance of electrolyte and acid-base; at the same time, the excess water in the body is removed, and the whole process of purified blood reinfusion is called hemodialysis.

Most of the existing hemodialysis vascular accesses are directly fixed with patients through medical adhesive tapes, so that the operation is very troublesome, time-consuming and labor-consuming, and the vascular accesses are easy to fall off, so that the stability of fixing the vascular accesses is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem of insufficiency in the prior art and providing a fixing device of a blood vessel access for hemodialysis.

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

a fixing device of a blood vessel passage for hemodialysis comprises a positioning frame and an open slot arranged at one side of the positioning frame, wherein a clamping component used for clamping the blood vessel passage is arranged in the positioning frame;

the clamping assembly is specifically an inverted V-shaped clamping plate which is arranged in the positioning frame in an up-and-down sliding manner and a driving assembly for driving the inverted V-shaped clamping plate to slide up and down;

drive assembly specifically sets up in the adjusting screw at type of falling V grip block top for rotating, adjusting screw and locating frame top threaded connection, one side top fixedly connected with guide bar of open slot is kept away from to V type grip block, the guide bar slides and sets up in the guide holder, guide holder and locating frame top fixed connection.

Furthermore, the inner wall of the bottom of the positioning frame is provided with a cushion block, and a V-shaped limiting groove is formed in the cushion block.

Furthermore, the side surface that type grip block and V type spacing groove and vascular access contact of falling V all is provided with the buffering cushion, between buffering cushion and the type grip block of falling V and all through a plurality of countersunk screw connections between buffering cushion and the cushion.

Furthermore, a plurality of raised anti-skidding salient points are arranged on the surface of one side, which is in contact with the blood vessel passage, of the buffering rubber mat.

Furthermore, both ends are provided with the connecting band respectively about the locating frame lower part, and a connecting band surface is provided with the magic and colludes, and another connecting band surface is provided with to collude with the magic and glue sticky magic of gluing and glue.

Compared with the prior art, the utility model discloses possess following beneficial effect:

the utility model discloses in, move down through the drive assembly drive type of falling V grip block and be close to the locating frame lower part, fix the blood vessel route in the locating frame, replace the mode of pasting of traditional medical sticky tape to improve the fixed stability of blood vessel route.

Drawings

Fig. 1 is a schematic view of the overall structure of a fixing device for a vascular access for hemodialysis according to the present invention;

fig. 2 is a schematic structural view of an inverted V-shaped clamping plate in the fixing device of the vascular access for hemodialysis of the present invention;

fig. 3 is a schematic structural view of a cushion block in the fixing device of the vascular access for hemodialysis provided by the present invention;

fig. 4 is a schematic view showing the connection between the guide rod and the guide seat in the fixing device of the vascular access for hemodialysis of the present invention.

In the figure: 1. a positioning frame; 2. a clamping assembly; 21. an inverted V-shaped clamping plate; 22. a guide bar; 23. a guide seat; 24. cushion blocks; 25. a cushion rubber pad; 3. a vascular access; 4. and a connecting belt.

Detailed Description

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

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, a fixing device of a blood vessel access for hemodialysis comprises a positioning frame 1 and an open slot arranged at one side of the positioning frame 1, wherein a clamping component 2 for clamping a blood vessel access 3 is arranged in the positioning frame 1;

the clamping assembly 2 is specifically an inverted V-shaped clamping plate 21 which is arranged in the positioning frame 1 in a vertically sliding manner and a driving assembly for driving the inverted V-shaped clamping plate 21 to slide vertically;

drive assembly specifically sets up in the adjusting screw at type of falling V grip block 21 top for rotating, adjusting screw and 1 top threaded connection of locating frame, the type of falling V grip block 21 keeps away from one side top fixedly connected with guide bar 22 of open slot, guide bar 22 slides and sets up in guide holder 23,

guide holder

23 and 1 top fixed connection of locating frame, it is close to 1 lower part of locating frame to move down through drive assembly drive type of falling V grip block 21, fix blood vessel route 3 in locating frame 1, replace the mode of pasting of traditional medical sticky tape, thereby improve the fixed stability of blood vessel route 3.

Further, the inner wall of the bottom of the positioning frame 1 is provided with a cushion block 24, a V-shaped limiting groove is formed in the cushion block 24, and the position of the blood vessel passage 3 is limited through the V-shaped limiting groove, so that the center line of the blood vessel passage 3 is perpendicular to the middle of the inverted V-shaped clamping plate 21, and the clamping effect of the inverted V-shaped clamping plate 21 is ensured.

Further, the side surface that V type grip block 21 and V type spacing groove and vascular route 3 contacted all is provided with buffering cushion 25, all through a plurality of countersunk screw connections between buffering cushion 25 and the type grip block 24 of falling V and between buffering cushion 25 and the cushion 24.

Further, the surface of one side of the buffer rubber pad 25, which is in contact with the blood vessel passage 3, is provided with a plurality of raised anti-skid salient points.

Further, both ends are provided with connecting band 4 respectively about the 1 lower part of posting, and 4 surfaces of a connecting band are provided with the magic and collude, and 4 surfaces of another connecting band are provided with and collude the magic that glues glutinous with the magic and glue, fix posting 1 on nursing bed or patient through connecting band 4.

The working principle is as follows: in actual use, after the blood vessel passage 3 is communicated with a patient and a therapeutic apparatus, the positioning frame 1 is fixed on a nursing bed or the patient through the connecting belt 4;

further, put into the V type spacing groove in the cushion 24 with blood vessel route 3 from the open slot of posting 1, restrict blood vessel route 3's position through V type spacing groove, make blood vessel route 3's central line and the type of falling V grip block 21 middle part perpendicular, furthermore, rotate adjusting screw, and then drive the type of falling V grip block 21 of adjusting screw bottom and move down, fix blood vessel route 3 between cushion 24 and type of falling V grip block 21, make blood vessel route 3 fix in posting 1, replace the mode of pasting of traditional medical sticky tape, thereby improve the stability that blood vessel route 3 is fixed.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A fixing device of a blood vessel passage for hemodialysis comprises a positioning frame (1) and an open slot arranged at one side of the positioning frame (1), and is characterized in that a clamping component (2) used for clamping the blood vessel passage (3) is arranged in the positioning frame (1);

the clamping assembly (2) is specifically an inverted V-shaped clamping plate (21) which is arranged in the positioning frame (1) in a vertically sliding manner and a driving assembly for driving the inverted V-shaped clamping plate (21) to slide vertically;

drive assembly specifically sets up in the adjusting screw at type of falling V grip block (21) top for rotating, adjusting screw and locating frame (1) top threaded connection, one side top fixedly connected with guide bar (22) of open slot are kept away from in V type grip block (21), guide bar (22) slide and set up in guide holder (23), guide holder (23) and locating frame (1) top fixed connection.

2. The hemodialysis vascular access fixation device as recited in claim 1, wherein a spacer block (24) is disposed on the inner wall of the bottom of the positioning frame (1), and a V-shaped limiting groove is disposed in the spacer block (24).

3. The vascular access fixing device for hemodialysis according to claim 2, wherein the inverted V-shaped clamping plate (21) and the V-shaped limiting groove are provided with a buffer rubber pad (25) on the surface of the blood vessel access (3), and the buffer rubber pad (25) is connected with the inverted V-shaped clamping plate (21) and the buffer rubber pad (25) is connected with the cushion block (24) through a plurality of countersunk head screws.

4. The vascular access fixation device for hemodialysis as set forth in claim 3, wherein a plurality of raised anti-slip protrusions are provided on a surface of the cushion rubber (25) on a side contacting the vascular access (3).

5. The blood vessel access fixing device for hemodialysis as claimed in claim 1, wherein the positioning frame (1) is provided with connecting bands (4) at the left and right ends of the lower portion thereof, one connecting band (4) is provided with a hook-and-loop fastener on the surface thereof, and the other connecting band (4) is provided with a hook-and-loop fastener on the surface thereof.