CN210301017U

CN210301017U - Disposable tip blood taking needle

Info

Publication number: CN210301017U
Application number: CN201920924461.6U
Authority: CN
Inventors: 孙月满
Original assignee: Henan Zhongxiu Medical Devices Co ltd
Current assignee: Henan Zhongxiu Medical Devices Co ltd
Priority date: 2019-06-19
Filing date: 2019-06-19
Publication date: 2020-04-14
Anticipated expiration: 2029-06-19

Abstract

The utility model relates to the field of medical equipment, a disposable tip blood taking needle is disclosed, to the complicated and inconvenient problem of use of disposable tip blood taking needle structure among the prior art, the following scheme is proposed now, and it includes shell, protective sheath and needle handle, the export has been seted up to one side of shell, the needle handle is located the inside of shell, the afterbody of needle handle is fixed with the spring, the other end of spring and an inner wall fixed connection of shell, the head of needle handle is fixed with the syringe needle, is fixed with the elastic plate on one side outer wall of needle handle, and one side of elastic plate is fixed with the fixed block, first spacing hole and the spacing hole of second have been seted up on a lateral wall of shell. The utility model discloses simple structure, design benefit, convenient operation has solved the complicated and inconvenient problem of use of disposable tip blood taking needle structure among the prior art, has avoided medical personnel be injured in the use, easily uses widely.

Description

Disposable tip blood taking needle

Technical Field

The utility model relates to the field of medical equipment, especially, relate to a disposable tip blood taking needle.

Background

Peripheral blood collection is commonly referred to as thumb blood collection in clinic. At present, the puncture collection of a stainless steel needle piece is basically adopted, the blood collection of the stainless steel needle piece does not have a safety protection device, and medical staff accidentally punctures themselves to cause infectious germs when operating improperly. Chinese patent No. 01266579.7 discloses a schbier disposable safety automatic blood taking needle, including a cylindrical shell, the nook closing member, a spring, the sliding sleeve, shell one end is sealed, the other end is opened, the blind end extends two elastic arms towards the open end, the nook closing member is located between two elastic arms, two elastic arms do not hold the inside symmetry and are equipped with the pothook, be equipped with the pothook on the needle handle, the spring is established between needle handle and blind end, the sliding sleeve is established in the shell, its one end stretches out from uncovered, other end to elastic arm are terminal, and force elastic arm not hold to both sides separation through the inclined plane, but this kind of blood taking needle structure is complicated, manufacturing cost is higher, be unfavorable for using widely on a large scale.

SUMMERY OF THE UTILITY MODEL

The utility model provides a disposable tip blood taking needle, which solves the problems of complex structure and inconvenient use of the disposable tip blood taking needle in the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a disposable tip blood taking needle comprises a shell, a protective sleeve and a needle handle, wherein an outlet is formed in one side of the shell, the needle handle is positioned in the shell, a spring is fixed at the tail of the needle handle, the other end of the spring is fixedly connected with one inner wall of the shell, a needle head is fixed at the head of the needle handle, an elastic plate is fixed on the outer wall of one side of the needle handle, a fixed block is fixed on one side of the elastic plate, a first limit hole and a second limit hole are formed in one side wall of the shell, the first limit hole is positioned on one side, close to the outlet of the shell, of the second limit hole, the fixed block is matched with the first limit hole and the second limit hole, one end of the fixed block extends into the second limit hole, an adjusting groove is formed in the outer wall of one side of the shell, the adjusting groove is communicated with the second limit hole, a pressing plate is fixed in the adjusting groove, a pressing column is, one end of the pressing column extends to the inside of the second limiting hole, the pressing column is matched with the fixing block, and the protective sleeve is arranged outside one end of the shell, which is provided with an outlet.

Preferably, a sliding block is fixed on the other side of the needle handle, a sliding groove is formed in the inner wall of the other side of the shell, and one end of the sliding block extends into the sliding groove.

Preferably, the inner walls of the two sides of the protective sleeve are provided with clamping grooves, the outer walls of the two sides of the shell are fixed with lugs, and one ends of the two lugs extend into the two clamping grooves respectively.

Preferably, both of the bumps have a hemispherical structure.

Preferably, the elastic plate, the protective sleeve and the pressing plate are all made of PVC materials.

The utility model discloses in:

1. the purpose of conveniently ejecting the needle head is achieved through the matching of the pressing plate, the adjusting groove, the second limiting hole, the spring, the fixing block, the pressing column and the elastic plate, and the needle handle is conveniently fixed through the arrangement of the first limiting hole;

2. the protective sleeve is conveniently fixed on the shell through the arrangement of the clamping groove and the convex block, and the spherical convex block facilitates the taking-off of the protective sleeve;

3. the needle handle is prevented from rotating by the arrangement between the sliding block and the sliding groove.

The utility model discloses simple structure, design benefit, convenient operation has solved the complicated and inconvenient problem of use of disposable tip blood taking needle structure among the prior art, has avoided medical personnel be injured in the use, easily uses widely.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged view of a point a of the present invention.

Reference numbers in the figures: the device comprises a shell 1, a protective sleeve 2, a clamping groove 3, a convex block 4, an elastic plate 5, an adjusting groove 6, a first limiting hole 7, a spring 8, a sliding groove 9, a sliding groove 10, a needle handle 11, a needle head 12, a pressing plate 13, a second limiting hole 14, a pressing column 15 and a fixing block 16.

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.

Referring to fig. 1-2, a disposable peripheral blood taking needle comprises a housing 1, a protective sleeve 2 and a needle handle 11, wherein an outlet is formed in one side of the housing 1, the needle handle 11 is positioned inside the housing 1, a spring is fixed at the tail of the needle handle 11, the other end of the spring is fixedly connected with one inner wall of the housing 1, a needle head 12 is fixed at the head of the needle handle 11, an elastic plate 5 is fixed on the outer wall of one side of the needle handle 11, a fixing block 16 is fixed on one side of the elastic plate 5, a first limiting hole 7 and a second limiting hole 14 are formed in one side wall of the housing 1, the first limiting hole 7 is positioned at one side of the second limiting hole 14 close to the outlet of the housing 1, the fixing block 16 is matched with the first limiting hole 7 and the second limiting hole 14, one end of the fixing block 16 extends to the inside of the second limiting hole 14, an adjusting groove 6 is formed in the outer wall of one side of the housing 1, the inside of adjustment tank 6 is fixed with clamp plate 13, and one side of clamp plate 13 is fixed with presses post 15, presses the inside that the one end of post 15 extends to spacing hole 14 of second, and presses post 15 and fixed block 16 to cooperate, and protective sheath 2 cover is established and is equipped with the one end outside of export at shell 1.

In this embodiment, the opposite side of needle handle 11 is fixed with slider 9, spout 10 has been seted up on the opposite side inner wall of shell 1, the one end of slider 9 extends to the inside of spout 10, draw-in groove 3 has all been seted up on the both sides inner wall of protective sheath 2, all be fixed with lug 4 on the both sides outer wall of shell 1, and the one end of two lugs 4 extends to the inside of two draw-in grooves 3 respectively, two lugs 4 are half spherical structure, elastic plate 5, protective sheath 2 and clamp plate 13 all adopt the preparation of PVC material.

The working principle is as follows: before not using, the spring is in the state of compression, during the use, take off protective sheath 2 from shell 1, then press clamp plate 13, clamp plate 13 drives and presses the post 15 to remove, thereby release fixed block 16 to the outside of the spacing hole of second 14, then under spring 8's effect, needle handle 11 begins to remove to shell 1's export direction, the inside of first spacing hole 7 is gone into to fixed block 16 card, the outside of shell 1 is all stretched out to the one end of needle handle 11 and syringe needle 12 this moment, then just can normal use, the use is accomplished in the outside of overlapping protective sheath 2 at shell 1, avoid syringe needle 12 to cause the injury to the people.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A disposable tip blood taking needle comprises a shell (1), a protective sleeve (2) and a needle handle (11), and is characterized in that an outlet is formed in one side of the shell (1), the needle handle (11) is located inside the shell (1), a spring is fixed at the tail of the needle handle (11), the other end of the spring is fixedly connected with one inner wall of the shell (1), a needle head (12) is fixed at the head of the needle handle (11), an elastic plate (5) is fixed on the outer wall of one side of the needle handle (11), a fixing block (16) is fixed at one side of the elastic plate (5), a first limiting hole (7) and a second limiting hole (14) are formed in one side wall of the shell (1), the first limiting hole (7) is located in one side, close to the outlet of the shell (1), of the fixing block (16) is matched with the first limiting hole (7) and the second limiting hole (14), the one end of fixed block (16) extends to the inside in spacing hole of second (14), adjustment tank (6) have been seted up on the outer wall of one side of shell (1), adjustment tank (6) are linked together with spacing hole of second (14), and the inside of adjustment tank (6) is fixed with clamp plate (13), and one side of clamp plate (13) is fixed with presses compression leg (15), the one end of pressing leg (15) extends to the inside in spacing hole of second (14), and presses compression leg (15) and fixed block (16) to cooperate, protective sheath (2) cover is established and is equipped with the one end outside of export in shell (1).

2. The disposable peripheral blood taking needle according to claim 1, wherein a sliding block (9) is fixed on the other side of the needle handle (11), a sliding groove (10) is formed in the inner wall of the other side of the housing (1), and one end of the sliding block (9) extends into the sliding groove (10).

3. A disposable peripheral blood taking needle according to claim 1, wherein the protective sheath (2) is provided with a slot (3) on both inner walls, the housing (1) is fixed with a projection (4) on both outer walls, and one end of each projection (4) extends into the slot (3).

4. A single use peripheral blood lancet according to claim 3, wherein both of said protuberances (4) are of hemispherical configuration.

5. A single use peripheral blood collection needle according to claim 1, wherein the elastic plate (5), the protective cover (2) and the pressure plate (13) are made of PVC material.