CN211155824U

CN211155824U - Lifting type nerve ending blood taking needle

Info

Publication number: CN211155824U
Application number: CN201921518076.8U
Authority: CN
Inventors: 穆海东; 汪宁梅
Original assignee: Shanghai Yulong Medical Laboratory Co ltd
Current assignee: Shanghai Yulong Medical Laboratory Co ltd
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-08-04
Anticipated expiration: 2029-09-12

Abstract

The utility model relates to the technical field of medical equipment, concretely relates to pull-up formula nerve ending blood taking needle. The method comprises the following steps: the blood sampling device comprises a shell, a cap, a blood sampling device and a lifting button device, wherein a groove is formed in the outer part of the shell, so that medical personnel can take the blood sampling device conveniently, and the blood sampling device conforms to the mechanical law of human engineering; the pull-type button device is convenient to operate, and meanwhile, the danger caused by misoperation of medical staff is avoided; in addition, the tension of the patient is relieved.

Description

Lifting type nerve ending blood taking needle

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to pull-up formula nerve ending blood taking needle.

Background

A disposable nerve ending blood taking needle is a common medical instrument, and the blood taking needle in the prior art is improved aiming at the problem that the mental stress is caused when a patient sees an exposed needle point, and a spring retraction device and the like are arranged, so that the adaptability of the patient is improved to a certain extent. However, most of such blood taking needles adopt a tail pressing type, for example, patent CN204931689U discloses a disposable tip safety blood taking needle which utilizes a compressed gas cavity to control the retraction of a spring, and has complex operation and complex structure; the UK European flute company on the market produces a side-pressing type blood taking needle which can effectively relieve the tension of patients, however, a side-pressing type trigger mechanism is very easy to cause danger, and the safety is poor if misoperation easily causes accidental injury to medical care personnel.

SUMMERY OF THE UTILITY MODEL

The current blood taking needle structure is loaded down with trivial details, and the push type blood taking needle is inconvenient to operate, in order to solve above-mentioned problem, the utility model provides a neural end blood taking needle of lift-draw formula, simple structure, convenient to use, the intense mood that has both effectively alleviateed the disease has avoided medical personnel's cross infection again.

In order to achieve the purpose, the utility model provides a lifting type nerve ending blood taking needle, which comprises a shell, a cap, a blood taking device and a lifting button device, wherein the shell comprises a first shell and a second shell, the first shell is connected with the second shell, the cap is connected with the first shell, the blood taking device is arranged inside the shell, the blood taking device consists of a stainless steel needle head, a limiting hole bolt and a spring, the stainless steel needle head is fixed at the top of the limiting hole bolt, the bottom of the limiting hole bolt is connected with one end of the spring, and the other end of the spring is fixed on a fixed block at the bottom of the second shell; a groove is formed in the outer portion of the second shell, a lifting button device is arranged at the top of the groove and comprises a button switch, a connecting wire and a fixing clamping frame, the button switch is arranged at the top of the groove and is connected with the fixing clamping frame through the connecting wire, and preferably, the connecting wire is made of rubber and has the characteristic of high elasticity of reversible deformation; the second shell is internally provided with a plurality of fixing clamping grooves, preferably 2 fixing clamping grooves.

The limiting hole bolt is in an I shape, the limiting hole bolt is matched with the fixing clamping frame, and the fixing clamping frame is matched with the fixing clamping groove. The spring is effectively supported while providing elastic potential energy for the spring.

The front end of the first shell is provided with protruding points, preferably, the number of the protruding points is 8, and the protruding points are pressed and contacted with the nerve endings, so that pain is covered by stimulation on the nerve endings, and a patient can obtain more comfortable experience in the process.

The beneficial effects of the utility model reside in that: the groove is arranged outside the shell, so that medical personnel can take the shell conveniently, and the shell conforms to the mechanical law of human engineering; the pull-type button device is convenient to operate, and meanwhile, the danger caused by misoperation of medical staff is avoided; in addition, the tension of the patient is relieved.

Drawings

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

Fig. 1 is a schematic view of an external structure of a pull-up type nerve ending blood taking needle of the present invention.

Fig. 2 is a schematic view of the internal structure of a pull-up type nerve ending blood taking needle of the present invention.

Fig. 3 is a schematic view of the internal fixing and retaining groove of the pull-up type nerve ending blood taking needle of the present invention.

Fig. 4 is a schematic view of a push button device of a pull type nerve ending blood taking needle according to the present invention.

In the figure, 1, a housing; 2. capping; 3. lifting the button device; 31. a push button switch; 32 connecting lines; 33 fixing the clamping frame; 4. a first housing; 5. a second housing; 6. a stainless steel needle; 7. limiting a hole bolt; 8. a spring; 9. a fixed block; 10. a groove; 11 fixing the clamping groove.

Detailed Description

In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below 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, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

Example 1

The present embodiment provides a pull-up type nerve ending blood lancet comprising: the blood sampling device comprises a shell 1, a cap 2, a blood sampling device and a lifting button device 3, wherein the shell 1 comprises a first shell 4 and a second shell 5, the first shell 4 is connected with the second shell 5, the cap 2 is connected with the first shell 4, the blood sampling device is arranged in the shell 1 and consists of a stainless steel needle head 6, a limiting hole bolt 7 and a spring 8, the stainless steel needle head 6 is fixed at the top of the limiting hole bolt 7, the bottom of the limiting hole bolt 7 is connected with one end of the spring 8, and the other end of the spring 8 is fixed on a fixing block 9 at the bottom of the second shell 5; a groove 10 is formed in the outer portion of the second shell 5, a lifting button device 3 is arranged at the top of the groove 10, the lifting button device 3 comprises a button switch 31, a connecting wire 32 and a fixing clamping frame 33, the button switch 31 is arranged at the top of the groove 10, and the button switch 31 is connected with the fixing clamping frame 33 through the connecting wire 32; the second housing 5 is provided with a fixing and retaining groove 11 therein.

The limiting hole bolt 7 is in an I shape.

The limiting hole bolt 7 is matched with the fixing clamping frame 33, and the fixing clamping frame 33 is matched with the fixing clamping groove 11.

The number of the fixed clamping grooves 11 is 2.

The front end of the first shell 4 is provided with salient points 12, and the number of the salient points 12 is 8.

During the use, open block 2, mention and carry and draw button switch 31, connecting wire 32 drives fixing clip position frame 33 and pops up and firmly wear in fixing clip position groove 11, owing to fixing clip position frame 33 take out from making spring 8 bounce rapidly to cause stainless steel syringe needle 6 to launch, accomplish the puncture.

Although the present invention has been described in detail by referring to the drawings in conjunction with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and substance of the present invention, and these modifications or substitutions are intended to be within the scope of the present invention/any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a pull-up formula nerve ending blood taking needle, includes shell (1), block (2), blood sampling device and draws button device (3), and wherein shell (1) includes first casing (4) and second casing (5), and first casing (4) are connected with second casing (5), and block (2) are connected with first casing (4), its characterized in that: a blood sampling device is arranged in the shell (1), the blood sampling device consists of a stainless steel needle head (6), a limiting hole bolt (7) and a spring (8), the stainless steel needle head (6) is fixed at the top of the limiting hole bolt (7), the bottom of the limiting hole bolt (7) is connected with one end of the spring (8), and the other end of the spring (8) is fixed on a fixing block (9) at the bottom of the second shell (5); a groove (10) is formed in the outer portion of the second shell (5), a lifting button device (3) is arranged on the top of the groove (10), the lifting button device (3) comprises a button switch (31), a connecting wire (32) and a fixed clamping frame (33), the button switch (31) is arranged on the top of the groove (10), and the button switch (31) is connected with the fixed clamping frame (33) through the connecting wire (32); the second shell (5) is internally provided with a fixed clamping groove (11).

2. The pull-up type nerve ending blood lancet according to claim 1, wherein: the limiting hole bolt (7) is in an I shape.

3. The pull-up type nerve ending lancet according to claim 1 or 2, wherein: the limiting hole bolt (7) is matched with the fixing clamping frame (33), and the fixing clamping frame (33) is matched with the fixing clamping groove (11).

4. The pull-up type nerve ending blood lancet according to claim 3, wherein: the number of the fixed clamping grooves (11) is 2.

5. The pull-up type nerve ending blood lancet according to claim 4, wherein: the front end of the first shell (4) is provided with a salient point (12).

6. The pull-up type nerve ending blood lancet according to claim 5, wherein: the number of the salient points (12) is 8.