CN222383198U

CN222383198U - A blood sampling device

Info

Publication number: CN222383198U
Application number: CN202420499777.6U
Authority: CN
Inventors: 吴玉娟
Original assignee: First Medical Center of PLA General Hospital
Current assignee: First Medical Center of PLA General Hospital
Priority date: 2024-03-14
Filing date: 2024-03-14
Publication date: 2025-01-24
Anticipated expiration: 2034-03-14

Abstract

The utility model relates to the technical field of blood sampling devices, in particular to a blood sampling device which has the characteristic of improving practicability and comprises a needle body and a connecting pipe, wherein a first protection pipe is arranged outside the needle body, a second protection pipe is connected inside the first protection pipe in a sliding way, the upper portion joint of first protective tube has the snap ring, and the front portion of snap ring is provided with first shielding plate, and the front portion of the lower part of first shielding plate is provided with the several fixed plate to rotate through the pivot and be connected with the second shielding plate.

Description

Blood sampling device

Technical Field

The utility model relates to the technical field of blood sampling devices, in particular to a blood sampling device.

Background

As is well known, hematology is an independent branch of medical science that involves blood and hematopoietic tissue as the main subjects, and medical personnel are required to collect blood from a patient using a blood collection device to perform an assay.

In real life, medical personnel need paste the syringe needle of taking a blood sample device and pierce patient's blood vessel blood sampling with the sticky tape when the syringe needle pierces the position at patient, and some sticky tapes can laminate on the handle of syringe needle and some syringe needles sometimes, when extracting the syringe needle, need intercept the sticky tape of upper portion laminating, lead to the syringe needle to appear rocking the condition this moment easily to make the head of syringe needle appear rocking in patient's blood vessel, and produce painful sense, therefore the practicality is not fine, the space that promotes in addition.

Disclosure of utility model

(One) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a blood sampling device which has the characteristic of improving the practicability.

(II) technical scheme

In order to achieve the above purpose, the blood sampling device comprises a needle body and a connecting pipe, wherein a first protection pipe is arranged outside the needle body, a second protection pipe is connected inside the first protection pipe in a sliding mode, a clamping ring is clamped at the upper portion of the first protection pipe, a first shielding plate is arranged at the front portion of the clamping ring, a plurality of fixing plates are arranged at the front portion of the lower portion of the first shielding plate, and a second shielding plate is connected through a rotating shaft in a rotating mode.

Further, the rear portion of the lower part of the first shielding plate is provided with a limiting plate, the front end face of the limiting plate is attached to the rear end face of the second shielding plate, and the rear portion of the limiting plate is contacted with the front portion of the first protection tube.

Further, the upper end face of the first protection pipe is arranged in a conical mode, the inner wall of the clamping ring is arranged in a conical mode, and the clamping ring has certain flexibility.

Further, a handle is arranged at the right part of the first protection pipe, and a gap is arranged between the front end face of the handle and the rear end face of the second shielding plate.

Preferably, the lower end surface of the second shielding plate is inclined.

Preferably, a connecting cover is arranged at the left part of the connecting pipe.

(III) beneficial effects

Compared with the prior art, the utility model provides a blood sampling device, which has the following beneficial effects:

This blood sampling device, during the blood sampling, with the snap ring card at first shielding plate rear portion on first protective tube, when pasting the sticky tape this moment, the sticky tape can glue on first shielding plate and second shielding plate, can not glue on needle body or handle, when extracting, only need lift the second shielding plate, can expose the handle, extract the needle body, consequently need not to reveal the sticky tape when the needle body still is in patient's skin to avoided the needle body to take place to vibrate and make the patient produce painful sense, and then improved certain practicality.

Drawings

FIG. 1 is a schematic illustration of the present utility model;

FIG. 2 is a schematic rear view of the present utility model;

FIG. 3 is a schematic view of the snap ring, first shield, second shield, etc. of the present utility model in a close-up fit;

FIG. 4 is a schematic bottom view of FIG. 3 in accordance with the present utility model;

FIG. 5 is a schematic view showing the snap ring, the first protective tube, the first shielding plate, etc. of the present utility model in enlarged fit;

FIG. 6 is a schematic view of a partially enlarged structure of the present utility model at A shown in FIG. 1;

fig. 7 is a partially enlarged schematic view of the structure of the present utility model at B shown in fig. 2.

The needle comprises a needle body 1, a connecting pipe 2, a first protection pipe 3, a second protection pipe 4, a clamping ring 5, a first shielding plate 6, a fixing plate 7, a second shielding plate 8, a limiting plate 9, a limiting plate 10, a handle 11 and a connecting cover.

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 to 7, a blood sampling device of the present utility model includes a needle body 1 and a connection tube 2, a connection cap 11 is provided at the left portion of the connection tube 2, a test tube for collecting blood is inserted into the connection cap 11, a first protection tube 3 is provided at the outside of the needle body 1, a handle 10 is provided at the right portion of the first protection tube 3, the handle 10 is grasped to drive the first protection tube 3 and the needle body 1 to approach an arm of a patient, then the needle body 1 is penetrated into a blood vessel to collect blood, a second protection tube 4 is slidingly connected to the inside of the first protection tube 3, the second protection tube 4 is pushed into the first protection tube 3 to expose the needle body 1, a snap ring 5 is clamped at the upper portion of the first protection tube 3, the upper end surface of the first protection tube 3 is tapered, the inner wall of the snap ring 5 is tapered to facilitate separation of the snap ring 5 and the first protection tube 3, the snap ring 5 has a certain flexibility, the clamp ring 5 is conveniently clamped on the first protective tube 3, the first shielding plate 6 is arranged at the front part of the clamp ring 5, the plurality of fixing plates 7 are arranged at the front part of the lower part of the first shielding plate 6, the second shielding plate 8 is rotationally connected through the rotating shaft, when the blood sampling device is fixed by using the adhesive tape, medical staff can attach the adhesive tape to the first shielding plate 6 and the second shielding plate 8, the needle body 1 can be fixed by the clamp ring 5, the lower end surface of the second shielding plate 8 is obliquely arranged, when the needle body 1 is pulled out, the fingers can conveniently extend into the lower part of the second shielding plate 8, the second shielding plate 8 is lifted, the rear part of the lower part of the first shielding plate 6 is provided with the limiting plate 9, the front end surface of the limiting plate 9 is attached to the rear end surface of the second shielding plate 8, the limiting plate 9 supports the second shielding plate 8, the second shielding plate 8 is prevented from being contacted with the first protective tube 3, the fingers are convenient to break the second shielding plate 8 off, the rear part of the limiting plate 9 is contacted with the front part of the first protective tube 3 to play a certain supporting role, and a gap is arranged between the front end surface of the handle 10 and the rear end surface of the second shielding plate 8, so that the handle 10 is convenient for the medical staff to grasp.

To sum up, when the blood sampling device is used, medical staff pushes the second protective tube 4 into the first protective tube 3 to expose the needle body 1, the clamp ring 5 is clamped on the first protective tube 3, then the handle 10 is grasped to pierce the needle body 1 into a blood vessel of a patient to collect blood, meanwhile, the adhesive tape is stuck to a wound, the edge part of the adhesive tape is stuck to the first shielding plate 6 and the second shielding plate 8, after collection is completed, the medical staff fingers grasp the edge part of the second shielding plate 8 and lift up, the handle 10 is exposed, and then the handle 10 is grasped to pull out the needle body 1.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can 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. The blood sampling device comprises a needle body (1) and a connecting pipe (2) and is characterized in that a first protection pipe (3) is arranged outside the needle body (1), a second protection pipe (4) is connected inside the first protection pipe (3) in a sliding mode, a clamping ring (5) is clamped on the upper portion of the first protection pipe (3), a first shielding plate (6) is arranged on the front portion of the clamping ring (5), a plurality of fixing plates (7) are arranged on the front portion of the lower portion of the first shielding plate (6), and a second shielding plate (8) is connected through rotation of a rotating shaft.

2. A blood sampling device according to claim 1, wherein a limiting plate (9) is provided at the rear of the lower portion of the first shielding plate (6), the front end face of the limiting plate (9) is attached to the rear end face of the second shielding plate (8), and the rear of the limiting plate (9) is in contact with the front of the first protection tube (3).

3. A blood sampling device according to claim 1, wherein the upper end face of the first protective tube (3) is tapered, the inner wall of the clasp (5) is tapered, and the clasp (5) has a certain flexibility.

4. A blood sampling device according to claim 1, wherein a handle (10) is provided on the right part of the first shield tube (3), and a gap is provided between the front end surface of the handle (10) and the rear end surface of the second shield plate (8).

5. A blood collection device according to claim 1, wherein the lower end surface of the second shielding plate (8) is inclined.

6. A blood collection device according to claim 1, wherein the left part of the connecting tube (2) is provided with a connecting cap (11).