CN219147604U

CN219147604U - Disposable blood sampling needle tube assembly

Info

Publication number: CN219147604U
Application number: CN202223314653.6U
Authority: CN
Inventors: 张婷婷; 吕含韬
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-06-09
Anticipated expiration: 2032-12-09

Abstract

The utility model discloses a disposable blood sampling needle tube assembly, which comprises a catheter and a puncture part arranged at one end of the catheter, wherein the puncture part comprises a connecting hard tube connected with one end of the catheter, one end of the connecting hard tube is connected with a puncture needle, the outer side of the puncture needle is provided with a protection structure, the protection structure comprises a movable piece rotationally connected with the connecting hard tube, one side of the movable piece is provided with a rubber sleeve, and the rubber sleeve is sleeved on the outer side of the puncture needle; through setting up protective structure in the pjncture needle outside, in the use to needle tubing assembly, personnel accessible rotates and takes off the rubber sleeve from the pjncture needle outside, is convenient for puncture and blood sampling, afterwards accessible rotation establishes the rubber sleeve in the outside of pjncture needle again, in this whole in-process, the hand all keeps certain distance with the syringe needle department of pjncture needle, can not excessively be close to, has reduced the risk of taking place the puncture, has promoted the security of needle tubing assembly.

Description

Disposable blood sampling needle tube assembly

Technical Field

The utility model belongs to the technical field of blood sampling devices, and particularly relates to a disposable blood sampling needle tube assembly.

Background

The venous blood sampling is a relatively common blood sampling mode, and the needle tube component of the venous blood sampling needle comprises a puncture part, the tail end of the puncture part is connected with a catheter, and the other end of the catheter is connected with the blood sampling needle. When the blood sampling device is used, venipuncture is implemented through the puncture needle on the puncture part, after the puncture is successful, the blood sampling needle on the blood sampling part penetrates into the vacuum blood sampling tube, and under the action of negative pressure, blood is pumped into the blood sampling tube through the puncture needle, the catheter and the blood sampling needle, so that the venous blood sampling is completed.

In order to prevent cross infection, a protection cover for protection is generally arranged on the puncture needle, but the traditional protection cover has a simple structure, and is often sleeved on the outer side of the needle directly, although the cover is convenient to take off, when the cover is sleeved again after blood collection, the puncture condition is easy to occur due to the small volume of the needle, and a certain infection risk is provided, so that a structure is needed to be designed to solve the problem.

Disclosure of Invention

The utility model aims to provide a disposable blood sampling needle tube assembly so as to solve the problem that the traditional blood sampling assembly provided in the background art has the risk of stabbing hands of medical staff during use.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a disposable blood sampling needle tube subassembly, includes the pipe and sets up the puncture portion in pipe one end, puncture portion includes the connection hard tube that is connected with pipe one end, the one end of connecting the hard tube is connected with the pjncture needle, the outside of pjncture needle is provided with protective structure, protective structure includes the fly leaf of being connected with the rotation of connection hard tube, one side of fly leaf is provided with the rubber sleeve, the outside at the pjncture needle is established to the rubber sleeve cover, be provided with spacing subassembly between connection hard tube and the fly leaf.

Preferably, the limiting component comprises a fixing piece fixed with the connecting hard tube, one end of the fixing piece is fixed with a rubber fixing block, and a through groove for the rubber fixing block to penetrate is formed in the surface of the movable piece.

Preferably, a clamping block is fixed on one side of the rubber fixing block, and a clamping groove which is clamped with the clamping block is formed in one side of the penetrating groove.

Preferably, a rubber block is arranged in the rubber sleeve, and the rubber block is arranged on the outer side of the needle head of the puncture needle.

Preferably, the connecting hard tube is rotationally connected with one end of the movable piece through a torsion spring, and one side of the movable piece is attached to the connecting hard tube.

Preferably, a pinching piece is fixed on one side of the connecting hard tube, and anti-skidding patterns are formed on the surface of the pinching piece.

Preferably, the other end of the catheter is provided with a blood sampling part, the blood sampling part comprises a connecting pipe connected with the end part of the catheter, one end of the connecting pipe is provided with a blood taking needle, one side of the connecting pipe is provided with a sealing component relative to the outer side of the blood taking needle, the sealing component comprises a fixing disc fixed at one end of the connecting pipe, one side of the fixing disc is provided with a sponge ferrule, and one side of the sponge ferrule is provided with a rubber ferrule.

Preferably, a damping lug is arranged on one side of the rubber ferrule, and a glue layer is arranged between the sponge ferrule and the fixed disc.

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

through setting up protective structure in the pjncture needle outside, in the use to needle tubing assembly, personnel accessible rotates and takes off the rubber sleeve from the pjncture needle outside, is convenient for puncture and blood sampling, afterwards accessible rotation establishes the rubber sleeve in the outside of pjncture needle again, in this whole in-process, the hand all keeps certain distance with the syringe needle department of pjncture needle, can not excessively be close to, has reduced the risk of taking place the puncture, has promoted the security of needle tubing assembly.

Drawings

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

FIG. 2 is an enlarged view of a portion of the protective structure of FIG. 1 in accordance with the present utility model;

FIG. 3 is a front cross-sectional view of the stop assembly of FIG. 2 in accordance with the present utility model;

FIG. 4 is an enlarged view of a portion of the seal assembly of FIG. 1 in accordance with the present utility model;

in the figure: 100. a conduit; 200. a blood sampling part; 201. a connecting pipe; 202. a blood taking needle; 300. a puncture part; 301. connecting a hard pipe; 302. a puncture needle; 400. a protective structure; 401. a movable plate; 402. a rubber sleeve; 403. a rubber block; 404. a limit component; 4041. a fixing piece; 4042. a rubber fixing block; 4043. a through groove; 4044. a clamping block; 4045. a clamping groove; 500. a seal assembly; 501. a fixed plate; 502. a sponge ferrule; 503. a rubber ferrule; 504. damping bump; 505. and (5) a glue layer.

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.

Examples

Referring to fig. 1 to 4, the present utility model provides a technical solution: the utility model provides a disposable blood sampling needle tubing assembly, including pipe 100 and puncture portion 300, puncture portion 300 is including connecting hard tube 301 and pjncture needle 302, the outside of pjncture needle 302 is provided with protective structure 400, protective structure 400 includes movable plate 401, rubber cover 402 and spacing subassembly 404, when using, remove spacing subassembly 404 earlier and to the restriction of movable plate 401, then rotate movable plate 401 for rubber cover 402 removes from the outside of pjncture needle 302, alright utilize pjncture needle 302 to carry out venipuncture this moment, after the end, again rotate movable plate 401, make rubber cover 402 overlap again and establish in the outside of pjncture needle 302, and utilize spacing subassembly 404 to fix, just accomplished the protection to pjncture needle 302.

In this embodiment, preferably, the limiting assembly 404 includes a fixing piece 4041, a rubber fixing block 4042 and a penetrating groove 4043, and the limiting of the movable piece 401 is primarily completed by the rubber fixing block 4042 penetrating the penetrating groove 4043.

In this embodiment, preferably, a clamping block 4044 is fixed on one side of the rubber fixing block 4042, a clamping groove 4045 engaged with the clamping block 4044 is formed on one side of the penetrating groove 4043, when the limiting component 404 is released, the rubber fixing block 4042 can be stirred first to deform until the clamping block 4044 is separated from the clamping groove 4045, at this time, the fixing of the movable piece 401 is released, the rubber fixing block 4042 and the penetrating groove 4043 can be separated, the movable piece 401 can rotate, and if the operation is performed in the opposite step, the movable piece 401 can be fixed again.

In this embodiment, preferably, the rubber block 403 is disposed inside the rubber sleeve 402, and the rubber block 403 is disposed outside the needle of the puncture needle 302, so that the protection effect of the rubber sleeve 402 on the puncture needle 302 in the sleeved state is improved.

In this embodiment, preferably, the connecting hard tube 301 is rotationally connected with one end of the movable sheet 401 through the torsion spring, one side of the movable sheet 401 is attached to the connecting hard tube 301, at this time, the torsion spring is under the action of torque, after the restriction of the movable sheet 401 is released, the movable sheet 401 can be reset, the rubber sleeve 402 automatically drops from the outer side of the puncture needle 302, meanwhile, the design of the torsion spring can ensure the stability of the movable sheet 401 in the open state of the rubber sleeve 402, and the automatic rotation of the movable sheet 401 is avoided during the puncture.

In this embodiment, preferably, a pinching piece is fixed on one side of the connecting hard tube 301, and anti-slip patterns are provided on the surface of the pinching piece, so that a person can pinch the pinching piece to perform venipuncture.

In this embodiment, preferably, the other end of the catheter 100 is provided with the blood sampling portion 200, the blood sampling portion 200 includes the connecting tube 201 and the blood sampling needle 202, the blood sampling needle 202 is required to be inserted into the vacuum blood sampling tube during blood sampling, blood is sucked into the vacuum blood sampling tube from the vein through the puncture needle 302, the catheter 100 and the blood sampling needle 202 by using negative pressure, vein blood sampling is completed, a sealing assembly 500 is arranged on one side of the connecting tube 201 opposite to the outer side of the blood sampling needle 202, the sealing assembly 500 includes a fixing disc 501, a sponge ferrule 502 and a rubber ferrule 503, and when the blood sampling needle 202 is inserted into the vacuum blood sampling tube, the rubber ferrule 503 is in close contact with one end of the vacuum blood sampling tube, so that the sealing performance between the blood sampling needle 202 and the vacuum blood sampling tube is improved, and smooth blood sampling work is guaranteed.

In this embodiment, preferably, a damping bump 504 is disposed on one side of the rubber collar 503, so that friction resistance between the blood taking needle 202 and the vacuum blood taking tube is improved, sealing effect is further improved, and a glue layer 505 is disposed between the sponge collar 502 and the fixing disc 501.

Although embodiments of the present utility model have been shown and described in detail with reference to the foregoing detailed description, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations may be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A disposable blood collection needle tube assembly comprising a catheter (100) and a puncture part (300) arranged at one end of the catheter (100), characterized in that: the puncture part (300) is including being connected hard tube (301) that is connected with pipe (100) one end, the one end of connecting hard tube (301) is connected with pjncture needle (302), the outside of pjncture needle (302) is provided with protective structure (400), protective structure (400) include with be connected hard tube (301) rotate movable piece (401) of being connected, one side of movable piece (401) is provided with rubber sleeve (402), rubber sleeve (402) cover is established in the outside of pjncture needle (302), be provided with spacing subassembly (404) between connection hard tube (301) and movable piece (401).

2. The disposable lancet gun assembly according to claim 1, wherein: the limiting component (404) comprises a fixing piece (4041) fixed with the connecting hard pipe (301), a rubber fixing block (4042) is fixed at one end of the fixing piece (4041), and a penetrating groove (4043) for the rubber fixing block (4042) to penetrate is formed in the surface of the movable piece (401).

3. A disposable lancet gun assembly according to claim 2, wherein: one side of the rubber fixing block (4042) is fixed with a clamping block (4044), and one side of the penetrating groove (4043) is provided with a clamping groove (4045) which is clamped with the clamping block (4044).

4. The disposable lancet gun assembly according to claim 1, wherein: a rubber block (403) is arranged in the rubber sleeve (402), and the rubber block (403) is arranged outside the needle head of the puncture needle (302).

5. The disposable lancet gun assembly according to claim 1, wherein: the connecting hard tube (301) is rotationally connected with one end of the movable piece (401) through a torsion spring, and one side of the movable piece (401) is attached to the connecting hard tube (301).

6. The disposable lancet gun assembly according to claim 1, wherein: one side of the connecting hard tube (301) is fixed with a pinching piece, and the surface of the pinching piece is provided with anti-skidding patterns.

7. The disposable lancet gun assembly according to claim 1, wherein: the blood sampling device is characterized in that the blood sampling part (200) is arranged at the other end of the catheter (100), the blood sampling part (200) comprises a connecting pipe (201) connected with the end of the catheter (100), a blood sampling needle (202) is arranged at one end of the connecting pipe (201), a sealing component (500) is arranged on one side of the connecting pipe (201) opposite to the outer side of the blood sampling needle (202), the sealing component (500) comprises a fixing disc (501) fixed at one end of the connecting pipe (201), a sponge ferrule (502) is arranged on one side of the fixing disc (501), and a rubber ferrule (503) is arranged on one side of the sponge ferrule (502).

8. The disposable lancet gun assembly according to claim 7, wherein: damping convex blocks (504) are arranged on one side of the rubber ferrule (503), and a glue layer (505) is arranged between the sponge ferrule (502) and the fixed disc (501).