CN213284777U

CN213284777U - Disposable switching blood taking needle

Info

Publication number: CN213284777U
Application number: CN202020733860.7U
Authority: CN
Inventors: 黄路路
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-07
Filing date: 2020-05-07
Publication date: 2021-05-28
Anticipated expiration: 2030-05-07

Abstract

The utility model discloses a disposable switching nature blood taking needle in medical equipment field, clip and ordinary conversion interface that screw thread bayonet socket crossover sub, infusion pipeline used, current arteriovenous internal fistula pjncture needle are connected to screw thread bayonet socket crossover sub upper end, screw thread bayonet socket crossover sub lower extreme is connected with flexible hose, flexible hose comprises side pipe, person in charge, the clip comprises the side pipe clip that sets up in the side pipe outside and the person in charge's clip that sets up in the person in charge outside, the side pipe is connected aseptic pressure-measuring pipe, blood sampling needle point through ordinary conversion interface respectively with the outside end of being responsible for. The utility model discloses compare traditional blood taking needle structure, it adopts and exhausts and designs with the blood sampling integration, can reduce blood and air direct contact number of times relatively, reduces blood pollution, reduces blood sample pollution, reduces blood and loses, reduces nursing staff's blood sampling time, its overall structure is simple, convenient operation, and the in-service use experience is better.

Description

Disposable switching blood taking needle

Technical Field

The utility model relates to the field of medical equipment, in particular to a disposable switching blood taking needle.

Background

China is a medical big country, and the development of the medical level in recent years in China is far ahead of the average level of the world. In the medical field, blood taking needles are the most common apparatus occupations for medical examination and treatment, and are one of the largest medical apparatus products sold worldwide. However, there are millions of human injuries that occur in hospitals around the world each year due to broken needles or improper operation of medical personnel. Therefore, the design of the blood taking needle is subject to more safety in practical use. In terms of the current patent market, the chinese patent with application number CN201220193614.2 discloses a disposable retraction safety blood taking needle, which comprises a needle holder, a set of puncture needles with a rubber sleeve, a core bar and a blood taking needle, wherein the core bar comprises a puncture needle base and a blood taking needle base which are combined into a whole, the puncture needles and the needle holder are both fixed on the upper end of the puncture needle base, and the needle holder covers the puncture needles; a circle of clamping groove is formed in the outer wall of the blood sampling needle holder, a piston is clamped between the clamping groove and the outer sleeve, and the core rod and the outer sleeve are driven to move relatively through the relative movement between the piston and the outer sleeve; the blood taking needle is fixed at the lower end of the blood taking needle seat, and a protective sleeve is sleeved outside the blood taking needle.

But current blood taking needle when nephrology dept uses, the disease need dialyse again after the blood sampling of arteriovenous internal fistula department, consequently often needs secondary or many times puncture just can accomplish whole dialysis flow, very loaded down with trivial details, moreover blood contacts with the air many times and causes the infection easily. Therefore, the utility model designs a disposable switching blood taking needle to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a disposable switching blood taking needle solves the problem that provides in the above-mentioned background art as far as possible.

In order to achieve the above object, the utility model provides a following technical scheme:

disposable switching blood taking needle, including clip and ordinary conversion interface that screw thread bayonet socket crossover sub, infusion pipeline used, current arteriovenous internal fistula pjncture needle is connected to screw thread bayonet socket crossover sub upper end, screw thread bayonet socket crossover sub lower extreme is connected with flexible hose, flexible hose comprises the side pipe, is responsible for, the clip comprises the side pipe clip that sets up in the side pipe outside and the person in charge's clip that sets up in the person in charge outside, aseptic pressure-measuring pipe, the blood sampling needle point are connected through ordinary conversion interface respectively to the outside end of side pipe and person in charge.

Preferably, the side pipe clamp outside the side pipe and the main pipe clamp provided outside the main pipe lock the side pipe and the main pipe, respectively.

Preferably, the mouth of pipe of aseptic piezometer pipe is provided with aseptic piezometer membrane, aseptic protective cap is equipped with to aseptic piezometer pipe outside activity cover.

Preferably, the common conversion interface is detachably connected with the sterile piezometer tube and the blood sampling needle tip through threads respectively.

Preferably, an elastic sleeve is arranged on the outer side of the blood sampling needle tip, and a needle tip protective cap is movably sleeved on the outer side of the elastic sleeve on the outer side of the blood sampling needle tip.

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

the utility model discloses compare traditional blood taking needle structure, it adopts and exhausts and designs with the blood sampling integration, can reduce blood and air direct contact number of times relatively, reduces blood pollution, reduces blood sample pollution, reduces blood and loses, reduces nursing staff's blood sampling time, its overall structure is simple, convenient operation, and the in-service use experience is better.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the aseptic piezometer tube in the structure diagram of FIG. 1;

fig. 3 is a schematic view of the structure of the blood sampling needle tip, the elastic envelope and the needle tip protection cap in the structure diagram of fig. 1.

In the drawings, the components represented by the respective reference numerals are listed below:

1-thread bayonet adapter, 2-flexible hose, 21-side tube, 22-main tube, 3-clip, 31-side tube clip, 32-main tube clip, 4-sterile pressure measuring tube, 41-sterile pressure measuring film, 42-sterile protective cap, 5-common adapter, 6-blood sampling needle point, 7-elastic envelope and 8-needle point protective cap.

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. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the disposable adapter blood taking needle comprises a screw bayonet adapter 1, a clip 3 for a transfusion tube and a common adapter 5, wherein the upper end of the screw bayonet adapter 1 is connected with a conventional arteriovenous fistula puncture needle, the lower end of the screw bayonet adapter 1 is connected with a flexible hose 2, the flexible hose 2 comprises a side tube 21 and a main tube 22, the clip 3 comprises a side tube clip 31 arranged on the outer side of the side tube 21 and a main tube clip 32 arranged on the outer side of the main tube 22, and the outer ends of the side tube 21 and the main tube 22 are respectively connected with a sterile pressure measuring tube 4 and a blood taking needle tip 6 through the common adapter 5.

The side pipe 21 and the main pipe 22 are locked by a side pipe clamp 31 outside the side pipe 21 and a main pipe clamp 32 provided outside the main pipe 22, respectively. The control of the pipe passage of the side pipe 21 and the main pipe 22 is facilitated. The mouth of pipe of aseptic piezometer pipe 4 is provided with aseptic piezometer membrane 41, and aseptic protective cap 42 is equipped with to aseptic piezometer pipe 4 outside activity cover. The aseptic protective cap 42 at the aseptic piezometer tube 4 is detached, the side tube clamp 31 connected with the aseptic piezometer tube 4 is opened, and the aseptic protective film 42 is detached, so that the puncture needle is in a zero-pressure state, and air in the puncture needle can be automatically exhausted. The common conversion interface 5 is respectively connected with the sterile piezometer tube 4 and the blood sampling needle point 6 in a detachable mounting way through threads, so that the sterile piezometer tube 4 and the blood sampling needle point 6 can be conveniently detached and replaced. An elastic sleeve 7 is arranged outside the blood sampling needle tip 6, a needle tip protective cap 8 is movably sleeved outside the elastic sleeve 7 outside the blood sampling needle tip 6, and the needle tip protective cap 8 can carry out sealing and sterile protection on the blood sampling needle tip 6.

One specific application of the embodiment is as follows: the utility model discloses during the use, the current arteriovenous internal fistula pjncture needle is connected to 1 upper end of screw thread bayonet socket crossover sub, and flexible hose 2 of 1 lower extreme of screw thread bayonet socket crossover sub is the Y type by the side pipe 21 with be responsible for 22 and constitute, and the side pipe 21 is connected aseptic piezometer pipe 4 through ordinary conversion interface 5, is responsible for 22 and connects blood sampling needle point 6 through ordinary conversion interface 5. When an arteriovenous fistula punctures, a clamp at a puncture needle of the existing arteriovenous fistula is opened, a side tube clamp 31 on a side tube 21 is clamped, a main tube clamp 32 at a main tube 22 is closed, after the puncture is finished and fixed, the side tube clamp 31 is opened, an aseptic protective cap 42 at the aseptic pressure measuring tube 4 is dismounted, the side tube clamp 31 connected with the aseptic pressure measuring tube 4 is opened and the aseptic protective cap 42 is dismounted, so that the puncture needle is in a zero-pressure state, air in the puncture needle can be automatically discharged, the side tube clamp 31 is closed after the air is discharged, the aseptic protective cap 42 is screwed, then a needle tip protective cap 8 of a blood sampling needle tip 6 is dismounted, a blood sampling test tube is connected with an elastic envelope 7 outside the blood sampling needle tip 6, the main tube clamp 32 is opened for blood sampling, the main tube clamp 32 is closed when the blood sampling test tube is replaced; after the blood collection is completed, the main tube clamp 32 is closed, the blood collection needle tip 6 is removed, the existing blood line arterial tube is connected to the common switching port 5 at the lower end of the main tube 22, and the main tube clamp 32 on the main tube 22 is opened to start the dialysis treatment.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. Disposable switching blood taking needle, including clip (3) and ordinary conversion interface (5) that screw thread bayonet socket crossover sub (1), infusion tube used, current arteriovenous internal fistula pjncture needle, its characterized in that are connected to screw thread bayonet socket crossover sub (1) upper end: the lower end of the screw thread bayonet adapter (1) is connected with a flexible hose (2), the flexible hose (2) is composed of a side pipe (21) and a main pipe (22), the clamp (3) is composed of a side pipe clamp (31) arranged on the outer side of the side pipe (21) and a main pipe clamp (32) arranged on the outer side of the main pipe (22), and the outer side ends of the side pipe (21) and the main pipe (22) are respectively connected with a sterile pressure measuring pipe (4) and a blood sampling needle point (6) through a common conversion interface (5).

2. A disposable transitive lancet according to claim 1, wherein: the side pipe clamp (31) arranged outside the side pipe (21) and the main pipe clamp (32) arranged outside the main pipe (22) respectively lock the side pipe (21) and the main pipe (22).

3. A disposable transitive lancet according to claim 1, wherein: the mouth of pipe of aseptic piezometer pipe (4) is provided with aseptic piezometer membrane (41), aseptic piezometer pipe (4) outside activity cover is equipped with aseptic protective cap (42).

4. A disposable transitive lancet according to claim 1, wherein: the common conversion interface (5) is respectively detachably connected with the sterile piezometer tube (4) and the blood sampling needle point (6) through threads.

5. A disposable transitive lancet according to claim 1, wherein: an elastic sleeve (7) is arranged on the outer side of the blood sampling needle point (6), and a needle point protective cap (8) is movably sleeved on the outer side of the elastic sleeve (7) on the outer side of the blood sampling needle point (6).