CN215384086U - Novel medical blood taking needle - Google Patents

Abstract

The utility model discloses a novel medical blood taking needle, which comprises a catheter and is characterized in that: the puncture test tube comprises a catheter and is characterized in that a puncture test tube needle is fixedly connected to one end of the catheter, a rubber cover is connected to the outer surface of the catheter in a sliding mode, a groove is formed in one side of the rubber cover, a fixed wheel is connected to the inner cavity of the groove in a sliding mode, a puncture needle is fixedly connected to the other end of the catheter, a needle handle is fixedly connected to one side of the puncture needle, and an adhesive tape is fixedly connected to the upper end of the needle handle. The user pushes down the tight pulley with the hand, makes the fixed column slide in the barb, and the barb can prevent effectively that the tight pulley from kick-backing, and this setting can make better and the test tube of rubber cover fix.

Description

Novel medical blood taking needle

Technical Field

The utility model belongs to the technical field of medical blood taking needles, and particularly relates to a novel medical blood taking needle.

Background

The blood taking needle is an instrument for collecting blood samples in the medical examination process, and consists of a needle head and a needle rod, wherein the needle head is arranged at the head part of the needle rod, a protective sleeve is connected on the needle rod in a sliding way, a reset spring is arranged between the protective sleeve and the needle rod, and the initial position of the protective sleeve is positioned at the head parts of the needle head and the needle rod.

The pillow of the existing blood taking needle is easy to prick the hand when the needle cap is taken down, which causes accidental injury, and meanwhile, when blood is taken out, an adhesive tape is required to be additionally taken to fix the needle handle, which is very inconvenient in operation, so that a novel medical blood taking needle is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel medical blood taking needle, and aims to solve the problems that a pillow does not prick hands when a needle cap of the novel medical blood taking needle is taken down, and a needle handle does not need to be fixed by an additional adhesive tape when blood is drawn, so that the operation is very convenient.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a novel medical blood taking needle, includes the pipe, the one end fixedly connected with puncture test tube needle of pipe, the surface sliding connection of pipe has the rubber cover, one side of rubber cover is seted up flutedly, sliding connection has the tight pulley in the inner chamber of recess, the other end fixedly connected with pjncture needle of pipe, one side fixedly connected with needle handle of pjncture needle, the upper end fixedly connected with sticky tape of needle handle.

Preferably, the outer surface of the puncture test tube needle is clamped with a needle cap.

Preferably, the equal fixedly connected with fixed block in both sides of recess internal surface, one side of fixed block all is provided with the barb.

Preferably, a fixing column penetrates through the middle of the fixing wheel and is hexagonal.

Preferably, the fixing posts are adapted to the barbs.

Preferably, the outer surface of the fixed wheel is provided with a rubber ring.

Preferably, a protective film is glued on the outer surface of the adhesive tape, and a handle is fixedly connected to one side of the protective film.

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

1. when picking off the needle cap from the one end of puncture test tube needle through the user, slide the one end of rubber cover to the pipe with the hand again, make the rubber cover the puncture test tube needle complete cover, this sets up when preventing the needle cap picking off, because the long-time exposure of puncture test tube needle leads to pricking the hand, cause personnel's injury, reduce user's injury with doing the big degree, thereby protect the user, after puncture test tube needle inserted the test tube, the user pushes down the tight pulley with the hand, make the fixed column slide in the barb, the barb can effectively prevent the tight pulley resilience, this sets up can make better and the test tube of rubber cover carry out fixed problem.

2. After the puncture needle is inserted into a blood vessel of a patient by a user, the user tears off the protective film on the surface of the adhesive tape by the handle, and the adhesive tape is contacted with the skin of the patient when the protective film is torn off, so that the problem that the user additionally takes the adhesive tape to fix the adhesive tape is solved, and the puncture needle is quick and convenient to use.

Drawings

FIG. 1 is a schematic perspective view of a blood drawing needle according to the present invention;

FIG. 2 is a schematic top view of the blood drawing needle of the present invention;

FIG. 3 is a schematic view of the exploded structure of the blood drawing needle of the present invention;

FIG. 4 is a schematic view of the exploded top view of the blood drawing needle of the present invention;

FIG. 5 is a schematic structural view of the adhesive tape of the present invention.

In the figure: 1. a needle cap; 2. a rubber cover; 3. a fixed wheel; 4. a conduit; 5. puncturing needle; 6. a handle; 7. a protective film; 8. a needle handle; 9. a groove; 10. puncturing a test tube needle; 11. a fixed block; 12. fixing a column; 13. a barb; 14. an adhesive tape.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides the following technical solutions: the utility model provides a novel medical blood taking needle, includes pipe 4, and pipe 4's one end fixedly connected with puncture test tube needle 10, pipe 4's surface sliding connection has rubber cover 2, and recess 9 has been seted up to one side of rubber cover 2, and sliding connection has a tight pulley 3 in the inner chamber of recess 9, and pipe 4's other end fixedly connected with pjncture needle 5, one side fixedly connected with needle handle 8 of pjncture needle 5, the upper end fixedly connected with sticky tape 14 of needle handle 8.

In the embodiment, when a user removes the needle cap 1 from one end of the puncture test tube needle 10, the rubber cover 2 is slid to one end of the guide tube 4 by hands, so that the rubber cover 2 completely covers the puncture test tube needle 10, the arrangement prevents the needle cap 1 from being removed, the injury of personnel is caused by pricking due to the long-time exposure of the puncture test tube needle 10, so as to greatly reduce the injury of the user, thereby protecting the user, after the puncture test tube needle 10 is inserted into a test tube, the user presses the fixed wheel 3 down by hands, so that the fixed column 12 slides in the barb 13, the barb 13 can effectively prevent the fixed wheel 3 from rebounding, the arrangement can ensure that the rubber cover 2 is better fixed with the test tube, after the user inserts the puncture needle 5 into a blood vessel of a patient, the user removes the protective film 7 on the surface of the adhesive tape 14 through the handle 6, and when the adhesive tape is removed, the adhesive tape 14 is contacted with the skin of the patient, this arrangement eliminates the need for the user to separately take the adhesive tape 14 for fixing, and is quick and convenient to use.

Specifically, the outer surface of the puncture test tube needle 10 is clamped with a needle cap 1.

In this embodiment, the user removes the needle cap 1 from one end of the puncture needle 10.

Specifically, the both sides of recess 9 internal surface all fixedly connected with fixed block 11, and one side of fixed block 11 all is provided with barb 13.

In this embodiment, the user manually pushes down the fixed wheel 3 to slide the fixed post 12 in the barb 13.

Specifically, a fixing column 12 penetrates through the middle of the fixing wheel 3, and the fixing column 12 is hexagonal.

In this embodiment, the fixed column 12 in the middle of the fixed wheel 3 can position-limit the fixed wheel 3.

Specifically, the fixing post 12 is matched with the barb 13.

In this embodiment, barb 13 carries out position fixing to fixed column 12, can prevent effectively that tight pulley 3 from kick-backing.

Specifically, the outer surface of the fixed wheel 3 is provided with a rubber ring.

In this embodiment, the rubber ring on the outer surface of the fixed wheel 3 contacts with the puncture test tube needle 10 to perform buffering and fixing.

Specifically, a protective film 7 is glued on the outer surface of the adhesive tape 14, and a handle 6 is fixedly connected to one side of the protective film 7.

In this embodiment, the user removes the protective film 7 on the surface of the adhesive tape 14 by the handle 6, and simultaneously brings the adhesive tape 14 into contact with the skin of the patient.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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 (7)

1. A novel medical blood taking needle comprises a catheter (4), and is characterized in that: the utility model discloses a catheter, including pipe (4), surface sliding connection have rubber cover (2), one side of rubber cover (2) is seted up flutedly (9), sliding connection has tight pulley (3) in the inner chamber of flutedly (9), the other end fixedly connected with pjncture needle (5) of pipe (4), one side fixedly connected with needle handle (8) of pjncture needle (5), the upper end fixedly connected with sticky tape (14) of needle handle (8).

2. A novel medical blood collection needle according to claim 1, characterized in that: the outer surface of the puncture test tube needle (10) is clamped with a needle cap (1).

3. A novel medical blood collection needle according to claim 1, characterized in that: the equal fixedly connected with fixed block (11) in both sides of recess (9) internal surface, one side of fixed block (11) all is provided with barb (13).

4. A novel medical blood collection needle according to claim 1, characterized in that: fixed columns (12) penetrate through the middle of the fixed wheel (3), and the fixed columns (12) are hexagonal.

5. A novel medical blood collection needle according to claim 4, characterized in that: the fixed column (12) is matched with the barb (13).

6. A novel medical blood collection needle according to claim 1, characterized in that: the outer surface of the fixed wheel (3) is provided with a rubber ring.

7. A novel medical blood collection needle according to claim 1, characterized in that: the outer surface of the adhesive tape (14) is glued with a protective film (7), and one side of the protective film (7) is fixedly connected with a handle (6).

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