CN219440197U - Dialysis is with holding device that keep somewhere needle matches - Google Patents

Abstract

The utility model discloses a handheld device matched with a detaining needle for dialysis, which comprises a clamping piece I and a clamping piece II, wherein the clamping piece I comprises a handheld wing piece, the end part of the handheld wing piece is provided with an arc-shaped clamping frame matched with the end head of the detaining needle for dialysis, two ends of the clamping frame are respectively provided with a supporting table, a columnar permanent magnet is arranged on each supporting table, the middle part of the handheld wing piece is provided with a clamping groove, the clamping piece II is different from the clamping piece I in that the clamping piece II is provided with an annular permanent magnet at the position corresponding to the columnar permanent magnet, and the handheld device matched with the detaining needle for dialysis is embedded in a combined mode.

Description

Dialysis is with holding device that keep somewhere needle matches

Technical Field

The utility model relates to the field of medical supplies, in particular to a handheld device matched with a retention needle for dialysis.

Background

An autologous arteriovenous fistula is one of hemodialysis treatment vascular access of an end-stage renal patient, and the vascular access is a way for continuously introducing blood in the patient to the outside and returning the blood to the inside, and is the first choice of maintenance hemodialysis vascular access.

The traditional steel needle has the defects that the texture is hard, the needle head is thick and has metal stimulation, and the damage to the vascular endothelium of the arteriovenous internal fistula is large due to long-term puncture, so the existing dialysis indwelling needle which has good flexibility, can bend along with the shape of the blood vessel, is difficult to puncture the vascular wall, has small damage to the vascular wall and can prolong the service time of the autologous arteriovenous internal fistula is widely used, but the existing dialysis indwelling needle still has some defects, such as poor holding performance, incapability of holding and fixing the indwelling needle stably during puncture, and difficulty in safe fixation after puncture; without blocking function, the blood leakage is easy to occur when the hose connected with the dialysis pipeline is folded reversely.

Disclosure of Invention

The utility model aims to provide a handheld device matched with a dialysis retention needle, which solves the problems of inconvenient holding and easy blood leakage of the conventional dialysis retention needle in the prior art.

The technical scheme of the utility model is realized as follows: the utility model provides a dialysis is with holding device that keeps somewhere needle matches, includes clamping piece one and clamping piece two, clamping piece one includes handheld fin, the tip of handheld fin be provided with the arcuation holder of size dialysis with keeping somewhere needle end assorted, the both ends of holder respectively are provided with a saddle, install the column permanent magnet on the saddle, handheld fin middle part is provided with the clamping groove, clamping piece two with clamping piece one's difference lies in, clamping piece two go up with the corresponding position of column permanent magnet, embedded be provided with annular permanent magnet.

Preferably, a clamping plate is arranged in the clamping frame and is buckled with the retaining needle for dialysis.

Preferably, the columnar permanent magnet and the annular permanent magnet are neodymium-iron-boron magnets.

Preferably, a row of anti-slip convex hulls are respectively arranged on the handheld fins at two sides of the clamping groove.

Preferably, the end of the holding wing piece is open and is contracted inwards until the holding wing piece is communicated with the clamping groove.

Preferably, the outer diameter dimension of the columnar permanent magnet is consistent with the inner diameter dimension of the annular permanent magnet.

By adopting the technical scheme, the utility model has the beneficial effects that:

this kind of dialysis is with holding device that keep somewhere needle matches can the combination use, and the lock is with the outside of keeping somewhere the needle in dialysis, and the medical personnel of being convenient for hold and puncture, improve the stability of keeping somewhere the needle in dialysis and hold, can use alone again simultaneously, and the dialysis pipeline hose is connected to fixed centre gripping, avoids leaking blood, has simple structure, low cost, simple operation's advantage.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a front view of the present utility model;

FIG. 2 is an enlarged view of a clip one of the present utility model;

FIG. 3 is a cross-sectional view of FIG. 2;

FIG. 4 is a right side view of FIG. 2;

fig. 5 is a partial cross-sectional view of a clip two of the present utility model.

Wherein: 1. a clamping piece I; 2. a second clamping piece; 101. a hand-held tab; 102. a clamping frame; 103. a support; 104. a columnar permanent magnet; 105. a clamping plate; 106. a clamping groove; 107. an anti-skid convex hull; 201. an annular permanent magnet.

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. 1-5, a handheld device matched with a detaining needle for dialysis comprises a first clamping piece 1 and a second clamping piece 2, wherein the first clamping piece 1 comprises a handheld wing piece 101, an arc-shaped clamping frame 102 matched with an end of the detaining needle for size dialysis is arranged at the end part of the handheld wing piece 101, a supporting table 103 is respectively arranged at two ends of the clamping frame 102, a columnar permanent magnet 104 is arranged on the supporting table 103, a clamping groove 106 is arranged in the middle of the handheld wing piece 101, and the second clamping piece 2 is different from the first clamping piece 1 in that a position corresponding to the columnar permanent magnet 104 on the second clamping piece 2 is embedded with an annular permanent magnet 201.

Specifically, the clamping frame 102 is internally provided with the clamping plate 105, and the clamping plate 105 is buckled with the detaining needle for dialysis, so that the clamping plate 105 can be used for clamping in a gap of a needle head of the detaining needle for dialysis, the clamping stability of the detaining needle for dialysis and the device is improved, and the detaining needle for dialysis is prevented from sliding during operation of medical staff.

Specifically, the columnar permanent magnet 104 and the annular permanent magnet 201 are neodymium-iron-boron magnets, and the neodymium-iron-boron magnets have the advantages of strong magnetism and long service life, and can improve the stability of the clamping piece I1 and the clamping piece II 2 after being buckled together.

Specifically, each hand-held fin 101 on two sides of the clamping groove 106 is provided with a row of anti-slip convex hulls 107, so that when the device is used for clamping and connecting a dialysis pipeline hose, the friction force for connecting the dialysis pipeline hose is improved through the anti-slip convex hulls 107, and the connection of the dialysis pipeline hose is prevented from slipping from the clamping groove 106.

In particular, the end of the hand-held flap 101 is open and is retracted inwardly until it is in communication with the clamping groove 106, which facilitates quick and accurate nesting of the connecting dialysis tubing hose into the clamping groove 106.

Specifically, the outer diameter of the columnar permanent magnet 104 is consistent with the inner diameter of the annular permanent magnet 201, so that the columnar permanent magnet 104 and the annular permanent magnet 201 are buckled together stably when the device is used, and the stability of the buckled clamping piece 1 and the clamping piece 2 is guaranteed.

Working principle: when the device is used for operating the dialysis needle to puncture, the clamping piece I and the clamping piece II are firstly arranged on two sides of the dialysis needle tube, the arc-shaped interfaces between the clamping piece I and the clamping piece II are buckled outside the dialysis needle, under the action of the columnar permanent magnet 104 and the annular permanent magnet 201, the clamping piece I and the clamping piece II are firmly buckled outside the dialysis needle, at the moment, a medical staff can hold the clamping piece I and the clamping piece II 2 to operate the dialysis needle, when the dialysis needle needs to be pulled out, the medical staff can pull the clamping piece I from the dialysis needle and clamp the connecting dialysis tube inside the clamping groove 106, and the connecting dialysis tube is blocked through the clamping groove 106, so that blood leakage is avoided.

The electrical components are all connected with an external main controller and 220V mains supply, and the main controller can be conventional known equipment for controlling a computer and the like.

In the description of the present specification, the terms "connected," "mounted," "fixed," "disposed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection or an indirect connection through intermediate members without affecting the relationship between components and technical effects, or may be an integral connection or a partial connection, as in the case of this example, and as will be understood by those skilled in the art, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "transverse", "longitudinal", and the like refer to the directions or positional relationships based on the directions or positional relationships shown in the drawings. These terms are only used to better describe the present utility model and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations. Finally, it should be noted that the present utility model is generally described in terms of a/a pair of components, such as the location of each component and the mating relationship therebetween, however, those skilled in the art will appreciate that such location, mating relationship, etc. are equally applicable to other components/other pairs of components.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (6)

1. A dialysis needle-matching hand-held device, characterized in that: including clamping piece one (1) and clamping piece two (2), clamping piece one (1) is including handheld fin (101), the tip of handheld fin (101) be provided with size dialysis with keep somewhere needle end assorted arcuation holder (102), the both ends of holder (102) respectively are provided with a saddle (103), install column permanent magnet (104) on saddle (103), handheld fin (101) middle part is provided with clamping groove (106), clamping piece two (2) with the difference of clamping piece one (1) lies in, clamping piece two (2) go up with the corresponding position of column permanent magnet (104), embedded be provided with annular permanent magnet (201).

2. The dialysis needle-matching handheld device of claim 1, wherein: the clamping plate (105) is arranged in the clamping frame (102), and the clamping plate (105) is buckled with the dialysis retention needle.

3. The dialysis needle-matching handheld device of claim 1, wherein: the columnar permanent magnet (104) and the annular permanent magnet (201) are neodymium-iron-boron magnets.

4. The dialysis needle-matching handheld device of claim 1, wherein: a row of anti-slip convex hulls (107) are respectively arranged on the handheld fins (101) at two sides of the clamping groove (106).

5. The dialysis needle-matching handheld device of claim 1, wherein: the end of the holding wing piece (101) is open and is contracted inwards until the holding wing piece is communicated with the clamping groove (106).

6. The dialysis needle-matching handheld device of claim 1, wherein: the outer diameter dimension of the columnar permanent magnet (104) is consistent with the inner diameter dimension of the annular permanent magnet (201).