CN218943352U

CN218943352U - Blood taking needle capable of being pre-fixed

Info

Publication number: CN218943352U
Application number: CN202222192988.9U
Authority: CN
Inventors: 罗群; 刘丽; 张寒惠
Original assignee: First Affiliated Hospital of Army Medical University
Current assignee: First Affiliated Hospital of Army Medical University
Priority date: 2022-08-19
Filing date: 2022-08-19
Publication date: 2023-05-02
Anticipated expiration: 2032-08-19

Abstract

The utility model belongs to the technical field of blood sampling devices, and particularly relates to a blood taking needle capable of being pre-fixed. According to the utility model, the self-adhesive layer is adhered to the skin of a patient, so that the needle handle is fixed, and the puncture needle is further fixed, thereby avoiding the puncture needle from slipping. In addition, the utility model has simple and quick operation, does not need to prepare medical adhesive tapes in advance, and is beneficial to improving the blood sampling work efficiency.

Description

Blood taking needle capable of being pre-fixed

Technical Field

The utility model belongs to the technical field of blood sampling devices, and particularly relates to a blood taking needle capable of being pre-fixed.

Background

In clinical treatment and outpatient inspection work, a large number of venous blood specimens need to be collected daily for various examinations. At present, a blood taking needle for collecting blood samples in the inspection process of a medical institution mainly comprises a hose, wherein one end of the hose is connected with a puncture needle, the other end of the hose is connected with a sampling needle, the puncture needle is used for being pricked into a blood vessel of a patient, and the sampling needle is used for being inserted into a vacuum blood taking tube, so that blood taking work is completed. In blood sampling work, after the puncture needle is pricked into a blood vessel of a patient, a needle handle of the puncture needle is suspended, a blood taking person (nurse or doctor) needs to release the puncture needle by both hands, one hand holds a stable vacuum blood sampling tube, the other hand holds a stable sampling needle, the sampling needle is inserted into the vacuum blood sampling tube, and in the process, the puncture needle is easy to slip.

In order to avoid the puncture needle slipping, the current common practice is to fix the needle handle by using a medical adhesive tape prepared in advance after the puncture needle is punctured into a blood vessel of a patient, so as to prevent the puncture needle slipping. However, in such an operation, a plurality of medical adhesive tape sections (the medical adhesive tape sections are cut from the medical adhesive tape roll by medical staff using tools such as scissors) need to be prepared in advance, the preparation time is long, the workload is high, and blood sampling staff needs to take down the medical adhesive tape from a certain place and then paste the puncture needle on the skin of a human body, so that the operation is troublesome, and the blood sampling work efficiency is not beneficial to improvement.

Disclosure of Invention

The utility model aims to provide a blood taking needle capable of being pre-fixed so as to solve the problem that a puncture needle is easy to slip.

In order to achieve the above purpose, the scheme of the utility model is as follows: the blood taking needle comprises a puncture needle, wherein a needle handle is arranged on the puncture needle, a self-adhesive layer is arranged on the needle handle, release paper is adhered on the self-adhesive layer, and the release paper completely covers the self-adhesive layer.

The working principle and the beneficial effects of the scheme are as follows: after the pjncture needle pricks patient's blood vessel, will tear from the type paper, the self-adhesive glue film exposes, and blood sampling personnel only need press the needle handle, and the self-adhesive glue film is towards patient's skin during the pressure to can utilize the self-adhesive glue film to paste the needle handle on patient's skin to fixed needle handle, and then fixed pjncture needle avoids the pjncture needle slippage, effectively solves the problem that the pjncture needle is easy to the slippage, and easy operation, swiftly need not to prepare medical sticky tape in advance, is favorable to improving blood sampling work efficiency. In addition, from paper in this scheme can prevent that self-adhesion glue film from contacting with blood sampling personnel's finger abdomen before using to protect the self-adhesion glue film, ensure the viscidity of self-adhesion glue film.

Optionally, the edge of the release paper extends out of the needle handle.

In this scheme, from the edge of type paper stretch out the needle handle setting, so, blood sampling personnel can pinch the extension from type paper and tear from type paper fast, avoid blood sampling personnel to consume longer time and tear from type paper.

Optionally, the edge of the release paper extends out of the needle handle by more than 5 mm.

In this scheme, stretch out the needle handle more than 5mm from the edge of type paper, ensure that blood sampling personnel can pinch from the edge of type paper to tear from the type paper fast, avoid the edge of type paper stretch out the part of needle handle shorter and make blood sampling personnel be difficult to pinch from the edge of type paper.

Optionally, the self-adhesive layer is located at an edge portion of the needle handle.

In this scheme, the self-adhesion glue film is located the edge of needle handle and does not spread the surface of needle handle, so, when realizing that the pjncture needle is fixed, reduces the quantity of self-adhesion glue to, after the area of self-adhesion glue film reduces, the adhesion between the skin with the patient reduces, and blood sampling personnel pulls out the needle more easily after the blood sampling is accomplished.

Optionally, the self-adhesive layer occupies 1/4 to 1/2 of the area of the needle handle surface.

In the scheme, the area of the self-adhesive layer is limited to be 1/4-1/2 of the surface area of the needle handle, so that the needle handle can be ensured to be fixed on the skin of a patient under the adhesion of the self-adhesive layer, and the phenomenon that the needle is pulled out due to overlarge adhesive force can be avoided.

Optionally, the surface of needle handle is wave-shaped, self-adhesive glue film laminating needle handle's surface setting.

Compared with the surface of the needle handle which is a plane, in the scheme, the surface of the needle handle is wavy, and the self-adhesive layer is attached to the surface of the needle handle, so that the attaching area of release paper and the self-adhesive layer is reduced, and the release paper is easier to tear. And under the same prerequisite of the horizontal projection area of self-adhesive layer, after pressing the needle handle, area of contact between patient's skin and the self-adhesive layer increases, and the adhesion between needle handle and the patient's skin is strengthened, and is more firm to the fixed of pjncture needle.

Optionally, the surface of needle handle is equipped with a plurality of recesses, the surface and the inner wall setting of recess of self-adhesion glue film laminating needle handle.

Compared with the surface of the needle handle which is a plane, in the scheme, the sticking area of the release paper and the self-adhesive layer is reduced, and the release paper is easier to tear. And under the same prerequisite of the horizontal projection area of self-adhesive layer, after pressing the needle handle, patient's skin is absorbed in the recess, and area of contact between patient's skin and the self-adhesive layer increases, and the adhesion between needle handle and the patient's skin is strengthened, and is more firm to the fixed of pjncture needle.

Optionally, the surface of needle handle is equipped with a plurality of arc depressed parts, the surface and the inner wall setting of arc depressed part of self-adhesion glue film laminating needle handle.

Compared with the surface of the needle handle which is a plane, in the scheme, the sticking area of the release paper and the self-adhesive layer is reduced, and the release paper is easier to tear. And under the same prerequisite of the horizontal projection area of self-adhesion glue film, after pressing the needle handle, patient's skin is sunk into in the arc depressed part, and area of contact between patient's skin and the self-adhesion glue film increases, and the adhesion between needle handle and the patient's skin is strengthened, and is more firm to the fixed of pjncture needle. In addition, the arc-shaped concave part is not provided with a right angle or an acute angle, so that glue solution is conveniently coated to form a self-adhesive layer.

Drawings

FIG. 1 is a top view of a pre-fixable lancet according to a first embodiment of the present utility model;

FIG. 2 is a schematic view of the release paper of FIG. 1 after being torn off;

FIG. 3 is a longitudinal cross-sectional view of a needle handle in accordance with a second embodiment of the present utility model;

FIG. 4 is a longitudinal cross-sectional view of a needle handle in accordance with a third embodiment of the present utility model;

fig. 5 is a longitudinal cross-sectional view of a needle handle in a fourth embodiment of the utility model.

Detailed Description

The following is a further detailed description of the embodiments:

the labels in the drawings of this specification include: the puncture needle 1, the needle handle 2, the groove 201, the arc-shaped concave part 202, the self-adhesive layer 3 and the release paper 4.

Example 1

This embodiment is basically as shown in fig. 1 and 2: the utility model provides a blood taking needle that can fix in advance, includes pjncture needle 1, has needle handle 2 on the pjncture needle 1, is equipped with self-adhesive glue film 3 on the needle handle 2, glues on the self-adhesive glue film 3 and leaves type paper 4, and from type paper 4 completely covers self-adhesive glue film 3, and leaves the edge of type paper 4 and stretch out needle handle 2 setting, leaves the edge of type paper 4 and stretches out needle handle 2 more than five millimeters. In this embodiment, the edge of the release paper 4 protrudes from the needle handle 2 by eight millimeters so that the blood collection person holds the edge of the release paper 4 to rapidly tear off the release paper 4. In this embodiment, the self-adhesive layer 3 is formed by applying glue to the surface of the needle handle 2. In addition, the self-adhesive layer 3 is located at the edge portion of the needle handle 2, specifically, the self-adhesive layer 3 is located at the left end of the surface of the needle handle 2 and occupies 1/4 to 1/2 of the area of the surface of the needle handle 2, and in this embodiment, the self-adhesive layer 3 occupies 1/3 of the surface of the needle handle 2.

When the blood sampling device is used, a blood sampling person pricks the puncture needle 1 into a blood vessel of a patient, after the puncture needle 1 is in place, the edge of the release paper 4 is pinched again to tear the release paper 4, the self-adhesive layer 3 is exposed, the self-adhesive layer 3 faces towards the skin of the patient, the needle handle 2 is pressed, the self-adhesive layer 3 contacts with the skin of the patient and is adhered to the skin of the patient, so that the needle handle 2 is fixed, the puncture needle 1 is further fixed, and the blood sampling person inserts the blood sampling needle into the vacuum blood sampling tube to perform blood sampling work. After the blood collection is completed, the blood collection personnel pulls out the puncture needle 1. The operation is simple and quick, the slipping phenomenon of the puncture needle 1 is effectively avoided, and a medical adhesive tape does not need to be prepared in advance, so that the blood sampling working efficiency is improved. In addition, the design of the release paper 4 avoids the finger abdomen from contacting the self-adhesive layer 3 when the blood taking staff takes the puncture needle 1, thereby ensuring the viscosity of the self-adhesive layer 3.

Example two

The present embodiment differs from the first embodiment in that: as shown in fig. 3, in this embodiment, the surface of the needle handle 2 is wavy, and the self-adhesive layer 3 is attached to the surface of the needle handle 2.

In this embodiment, the surface of needle handle 2 is the wave formula, and the surface setting of self-adhesion glue film 3 laminating needle handle 2, so, under the same prerequisite of self-adhesion glue film 3's horizontal projection area, the actual area of self-adhesion glue film 3 is bigger than the area of self-adhesion glue film 3 in embodiment one in this embodiment, and when the blood sampling personnel pressed needle handle 2, patient's skin received the area of contact with self-adhesion glue film 3 and increased, and the adhesion reinforcing between needle handle 2 and the patient's skin for the fixed effect of pjncture needle 1 is better. In addition, because the surface setting of self-adhesion glue film 3 laminating needle handle 2, consequently, self-adhesion glue film 3 and from the area reduction of pasting between the type paper 4, from type paper 4 more easily by tearing.

Example III

The present embodiment differs from the first embodiment in that: as shown in fig. 4, in this embodiment, the surface of the needle handle 2 is provided with a plurality of grooves 201, and the self-adhesive layer 3 is attached to the surface of the needle handle 2 and the inner wall of the grooves 201. In addition, the number of grooves 201 in the present embodiment is three.

In this embodiment, under the premise that the horizontal projection area of the self-adhesive layer 3 is the same, the actual area of the self-adhesive layer 3 in this embodiment is larger than that of the self-adhesive layer 3 in the first embodiment, so when the blood taking person presses the needle handle 2, the skin of the patient falls into the groove 201, the contact area between the skin of the patient and the self-adhesive layer 3 is increased, and the adhesion between the needle handle 2 and the skin of the patient is enhanced, so that the fixing effect of the puncture needle 1 is better. In addition, the adhesion area between the self-adhesive layer 3 and the release paper 4 is reduced, and the release paper 4 is more easily torn off.

Example IV

The present embodiment differs from the first embodiment in that: as shown in fig. 5, in this embodiment, the surface of the needle handle 2 is provided with a plurality of arc-shaped concave portions 202, and the self-adhesive layer 3 is attached to the surface of the needle handle 2 and the inner wall of the arc-shaped concave portions 202. In addition, the number of the arc-shaped concave portions 202 in the present embodiment is nine, and the nine arc-shaped concave portions 202 are distributed on the surface of the needle handle 2 in a 3×3 array.

In this embodiment, under the premise that the horizontal projection area of the self-adhesive layer 3 is the same, the actual area of the self-adhesive layer 3 in this embodiment is larger than that of the self-adhesive layer 3 in the first embodiment, so when the blood sampling personnel presses the needle handle 2, the skin of the patient is sunk into the arc-shaped concave portion 202, the contact area between the skin of the patient and the self-adhesive layer 3 is increased, and the adhesion between the needle handle 2 and the skin of the patient is enhanced, so that the fixing effect of the puncture needle 1 is better. In addition, the adhesion area between the self-adhesive layer 3 and the release paper 4 is reduced, and the release paper 4 is more easily torn off.

The foregoing is merely exemplary embodiments of the present utility model, and specific structures and features that are well known in the art are not described in detail herein. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the practical applicability of the present utility model. The description of the embodiments and the like in the specification can be used for explaining the contents of the claims.

Claims

1. The utility model provides a blood taking needle that can fix in advance, includes the pjncture needle, has needle handle, its characterized in that on the pjncture needle: the needle handle is provided with a self-adhesive layer, release paper is adhered to the self-adhesive layer, and the release paper completely covers the self-adhesive layer; the surface of needle handle is equipped with a plurality of arc depressed parts, the surface and the inner wall setting of arc depressed part of self-adhesion glue film laminating needle handle.

2. The prefixed lancet of claim 1, wherein: the edge of the release paper extends out of the needle handle.

3. The prefixed lancet of claim 2, wherein: the edge of the release paper extends out of the needle handle by more than 5 mm.

4. The prefixed lancet of claim 1, wherein: the self-adhesive layer is positioned at the edge part of the needle handle.

5. The prefixed lancet of claim 4, wherein: the self-adhesive layer occupies 1/4 to 1/2 area of the surface of the needle handle.