CN220109736U

CN220109736U - Adjustable blood taking needle

Info

Publication number: CN220109736U
Application number: CN202321562566.4U
Authority: CN
Inventors: 彭金文; 彭学文
Original assignee: Huaian Hailun Medical Equipment Co ltd
Current assignee: Huaian Hailun Medical Equipment Co ltd
Priority date: 2023-06-19
Filing date: 2023-06-19
Publication date: 2023-12-01
Anticipated expiration: 2033-06-19

Abstract

The utility model discloses an adjustable blood taking needle which comprises a shell, a needle seat and a fixing seat, wherein a sliding groove is formed in the inner surface of the shell, the needle seat is arranged in the shell and is in sliding connection with the sliding groove through sliding blocks at two sides, an annular air cushion is connected to one side of the needle seat in the shell through gluing, the fixing seat is connected to one side of the shell through gluing, the fixing seat is communicated with the annular air cushion, and an elastomer is connected to one side of the fixing seat through gluing. The adjustable blood taking needle has the advantages of simple and compact structure, low cost, easy operation, more convenient and stable use and suitability for wide popularization and use.

Description

Adjustable blood taking needle

Technical Field

The utility model relates to the technical field of blood taking needles, in particular to an adjustable blood taking needle.

Background

In clinical treatment and clinic examination, a large amount of venous blood specimens need to be collected for various examinations every day, and blood collection is convenient, and a blood collection needle and a vacuum blood collection tube need to be used for operation, wherein the blood collection needle is a medical instrument for collecting blood samples in the medical examination process.

Publication No.: CN209770387U, a blood taking needle, the blood taking needle comprising: a jacket; the outer sleeve is provided with a first opening communicated with the inside of the outer sleeve; the blood collection tube is movably arranged in the outer sleeve in a penetrating way; a needle head for puncturing the human body is arranged at one end of the blood collection tube close to the first opening; the needle has a first operative condition inside the sheath and a second operative condition penetrating the sheath through the first opening.

At present, the existing blood taking needle has the following defects in use: lack single hand adjustment mechanism, generally when adjusting blood lancet puncture length, need use both hands to operate, the stability of operation is relatively poor, and the flexibility of using is comparatively general moreover. For this purpose, we propose an adjustable lancet.

Disclosure of Invention

The utility model mainly aims to provide an adjustable blood taking needle which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides an adjustable blood taking needle, includes shell, needle file and fixing base, the spout has been seted up on the surface in the shell, be provided with the needle file in the shell, and the needle file passes through both sides slider and spout sliding connection, be located the annular air cushion of one side of needle file in the shell through the veneer connection, one side of shell is connected with the fixing base through the veneer, and fixing base and annular air cushion intercommunication, one side of fixing base is connected with the elastomer through the veneer.

Further, butterfly-shaped pieces are arranged on two sides of the shell, the butterfly-shaped pieces comprise a first butterfly-shaped piece and a second butterfly-shaped piece, adhesive layers are arranged on inner surfaces of the first butterfly-shaped piece and the second butterfly-shaped piece, and the shell is connected with the first disc through gluing.

Further, the air inlet end of the fixing seat is provided with a one-way valve, one side of the fixing seat is provided with a valve core, and the fixing seat is connected with the one-way valve and the valve core through clamping grooves.

Further, a reset spring is arranged on the other side of the needle seat in the shell.

Further, a blood sampling needle head is arranged on one side of the needle seat, a blood conveying tube is arranged on the other side of the needle seat, and a sampling needle head is arranged at one end of the blood conveying tube.

Compared with the prior art, the utility model has the following beneficial effects:

1. through shell, spout, needle file, annular air cushion, fixing base and the elastomer that set up, can press and produce deformation and aerify the action with outside air suction, utilize to aerify deformation and promote the needle file slip to accomplish the regulation operation to syringe needle penetration depth, whole process operating personnel only need one hand operation, convenient and fast more, it is more stable reasonable to adjust moreover.

2. Through butterfly piece, first butterfly piece, second butterfly piece and the adhesive sticker layer that set up, can also increase viscose mechanism, replace traditional sticky tape to paste with patient's skin, improve the stability that the blood taking needle used, use more convenient and reliable, practical value is higher.

Drawings

Fig. 1 is a schematic view showing the overall structure of an adjustable lancet according to the present utility model.

Fig. 2 is a schematic sectional view of a fixing seat of an adjustable lancet according to the present utility model.

Fig. 3 is a schematic cross-sectional view of a butterfly-shaped blade of an adjustable lancet according to the present utility model.

Fig. 4 is a schematic cross-sectional view of a housing of an adjustable lancet according to the present utility model.

In the figure: 1. a housing; 2. a chute; 3. a needle stand; 4. an annular air cushion; 5. a fixing seat; 6. an elastomer; 7. butterfly-shaped pieces; 8. a first tab; 9. a second tab; 10. a non-setting adhesive layer; 11. a return spring; 12. a blood collection needle; 13. a one-way valve; 14. a valve core; 15. a blood transfusion tube; 16. a sampling needle.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1, 2 and 4, an adjustable blood taking needle comprises a shell 1, a needle seat 3 and a fixing seat 5, wherein a sliding groove 2 is formed in the inner surface of the shell 1, the needle seat 3 is arranged in the shell 1, the needle seat 3 is in sliding connection with the sliding groove 2 through sliding blocks on two sides, one side of the needle seat 3 in the shell 1 is connected with an annular air cushion 4 through gluing, one side of the shell 1 is connected with the fixing seat 5 through gluing, the fixing seat 5 is communicated with the annular air cushion 4, and one side of the fixing seat 5 is connected with an elastomer 6 through gluing.

One end of the outer shell 1 is connected with the protective cap through threads.

Wherein, the both sides of shell 1 all are provided with butterfly piece 7, butterfly piece 7 includes first butterfly piece 8 and second butterfly piece 9, the internal surface of first butterfly piece 8 and second butterfly piece 9 all is provided with adhesive sticker layer 10.

In this embodiment, as shown in fig. 1 and 3, the butterfly-shaped sheet 7 and the adhesive sticker layer 10 are used for conveniently adding an adhesive mechanism, so that the blood taking needle is conveniently adhered to the skin of a blood taking person, and the stability of the blood taking needle is improved.

The air inlet end of the fixed seat 5 is provided with a one-way valve 13, and one side of the fixed seat 5 is provided with a valve core 14.

In this embodiment, as shown in fig. 2, the air is conveniently pumped into the annular air cushion 4 for inflation through the one-way valve 13, and the annular air cushion 4 is conveniently deflated after the blood taking needle is used through the valve core 14.

Wherein, a reset spring 11 is arranged on the other side of the needle seat 3 in the shell 1.

In this embodiment, as shown in fig. 4, the return spring 11 is convenient for pushing the lancet back to the housing 1 by the elastic pushing force after the lancet is used.

Wherein, one side of the needle seat 3 is provided with a blood sampling needle head 12, the other side of the needle seat 3 is provided with a blood transfusion tube 15, and one end of the blood transfusion tube 15 is provided with a sampling needle head 16.

In this embodiment, as shown in fig. 4, the blood transfusion tube 15 penetrates through the annular air cushion 4, and the blood taking needle 12 and the blood transfusion tube 15 are convenient to connect the blood taking needle with the vacuum blood taking tube for blood taking.

It should be noted that, the utility model is an adjustable blood taking needle, when in use, firstly, an operator repeatedly presses the elastic body 6 according to actual needs, external air is pumped into the annular air cushion 4 through the one-way valve 13 by utilizing the deformation of the elastic body 6, the needle seat 3 and the blood taking needle 12 are pushed to slide out from the shell 1 for use by the inflation deformation of the annular air cushion 4, the whole adjusting process can be completed by one hand of the operator, the distance of each pressing adjustment is nearly the same, the operation is more convenient and stable, then the operator inserts the blood taking needle 12 into a blood vessel, after the blood transfusion tube 15 returns blood, the sampling needle 16 is connected with the vacuum blood taking tube for blood taking action, meanwhile, the operator can expand the second butterfly sheet 9, and the butterfly sheet 7 is respectively stuck on the skin surface of the blood taking person through the adhesive layer 10, so that the stability of the blood taking needle is improved, the whole structure is simple and compact, the cost is low, the operation is easy, the use is more reasonable and high-efficient, and the practical value is higher.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an adjustable blood taking needle, includes shell (1), needle file (3) and fixing base (5), its characterized in that: the novel medical device is characterized in that a sliding groove (2) is formed in the inner surface of the shell (1), a needle seat (3) is arranged in the shell (1), the needle seat (3) is in sliding connection with the sliding groove (2) through sliding blocks on two sides, an annular air cushion (4) is connected to one side of the needle seat (3) in the shell (1) through gluing, a fixing seat (5) is connected to one side of the shell (1) through gluing, the fixing seat (5) is communicated with the annular air cushion (4), and an elastic body (6) is connected to one side of the fixing seat (5) through gluing.

2. An adjustable lancet according to claim 1, wherein: the butterfly-shaped piece (7) is arranged on two sides of the shell (1), the butterfly-shaped piece (7) comprises a first butterfly-shaped piece (8) and a second butterfly-shaped piece (9), and adhesive layers (10) are arranged on inner surfaces of the first butterfly-shaped piece (8) and the second butterfly-shaped piece (9).

3. An adjustable lancet according to claim 1, wherein: the air inlet end of the fixed seat (5) is provided with a one-way valve (13), and one side of the fixed seat (5) is provided with a valve core (14).

4. An adjustable lancet according to claim 1, wherein: a reset spring (11) is arranged on the other side of the needle seat (3) in the shell (1).

5. An adjustable lancet according to claim 1, wherein: one side of the needle seat (3) is provided with a blood sampling needle head (12), the other side of the needle seat (3) is provided with a blood transfusion tube (15), and one end of the blood transfusion tube (15) is provided with a sampling needle head (16).