CN213758471U

CN213758471U - Disposable special needle for cervical puncture

Info

Publication number: CN213758471U
Application number: CN202022268670.5U
Authority: CN
Inventors: 张研; 许鸿雁; 左舒婷; 冯树龙
Original assignee: Jilin University
Current assignee: Jilin University
Priority date: 2020-10-13
Filing date: 2020-10-13
Publication date: 2021-07-23
Anticipated expiration: 2030-10-13

Abstract

The utility model belongs to the technical field of medical devices, in particular to a special needle for disposable neck puncture. The lower end of the hose is provided with a needle, the hose and the needle are fixedly connected by a handle, a No. A No. 2 threaded strip is arranged inside, and the needle and the sampling box are fixedly connected by a No. 1 threaded strip and a No. 2 threaded strip. During the use of the utility model, the medical staff can hold the handle by hand, because the The position is close to the patient's skin, and the medical staff can stick the back of the hand to the patient's skin to make the hand more stable and more accurate for puncturing. The flexible part of the hose is set so that even if the syringe shakes during injection, it will not affect the needle. Alleviate patient pain.

Description

Disposable special needle for cervical puncture

Technical Field

The utility model belongs to the technical field of medical instrument, concretely relates to disposable special needle of neck puncture.

Background

Puncture, a commonly used medical operating term, is a diagnostic technique in which a puncture needle is inserted into a body cavity to extract secretions for testing, gas or contrast agents are injected into the body cavity to perform contrast examination, or medicines are injected into the body cavity. The purpose of puncture is to take blood for examination, blood transfusion, fluid infusion and to put in a catheter for angiography.

1. Original pjncture needle, the majority adopts syringe needle cylinder integral type design, and at the needle insertion in-process, medical staff holds the cylinder, and is far away from the puncture position, at the puncture in-process, is unfavorable for accurate puncture, and probably appears the hand mistake phenomenon, increases the patient pain, and the patient can often cause neck damage and hemorrhage because of puncturing many times to and by the injury with bleed complications such as edema that arouse.

2. When the original puncture needle needs to puncture and sample, the sample is taken out from the neck, and needs to be re-injected into other containers, so that the operation is troublesome, the containers are replaced back and forth, the damage and the infection of the sample are easily caused, and the optimal sampling effect cannot be achieved.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned problem that exists among the prior art, the utility model provides a special needle of disposable neck puncture has convenient and fast, improves the sample effect, alleviates the characteristics of the painful sense of patient.

In order to achieve the above object, the utility model provides a following technical scheme: disposable special needle of neck puncture, including the cylinder, the inside of cylinder is through slip fixedly connected with piston shaft, the lower extreme fixedly connected with piston of piston shaft, the lower extreme interlude of cylinder is connected with the connector, the lower extreme fixedly connected with hose of cylinder, the lower extreme of hose is provided with the syringe needle, the hose passes through handle fixed connection with the syringe needle.

As the utility model discloses a preferred technical scheme of special needle of disposable neck puncture, a side surface of syringe needle is provided with a screw thread strip, a side surface of syringe needle is provided with the sample box, the inside of sample box is provided with No. two screw thread strips, the syringe needle passes through a screw thread strip and No. two screw thread strip rotation block fixed connection with the sample box.

As the utility model discloses a preferred technical scheme of special needle of disposable neck puncture, the handle is the arc structure for moulding matter component and both ends.

As the utility model discloses a disposable neck puncture special needle preferred technical scheme, the sample box communicates with each other with syringe needle inside.

As the utility model discloses a preferred technical scheme of special needle of disposable neck puncture, the both sides surface integrated into one piece of handle has a plurality of rubber granule.

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

1. the utility model discloses in the use, medical staff can hold between the fingers the handle with the hand, because the position of handle is close to patient's skin, medical staff can paste the back of the hand to patient's skin messenger's hand more steady, puncture that can be more accurate, and the soft setting of hose portion, even the cylinder has the shake when the injection, can not influence the syringe needle yet, can accomplish to alleviate patient's painful sense.

2. The utility model discloses installed the syringe needle additional in the side of syringe needle, when the sample, prick the skin with the syringe needle and take a sample, when the syringe needle is extracted in the sample completion, the one side that will install the sample box is perpendicular downwards, only needs to carry a little the piston shaft can inhale the inside of sample box with the sample, only needs to screw down the sample box at this moment and can accomplish the sample overall process, convenient and fast reduces the sample and infect the probability.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of part A of the present invention;

FIG. 3 is a schematic top view of the cross-sectional structure of the handle of the present invention;

FIG. 4 is a schematic view of a partial structure of the connection between the needle head and the sampling box of the present invention;

FIG. 5 is a schematic side view of a partial structure of the connection between the needle head and the sampling box of the present invention;

in the figure: 1. a needle cylinder; 2. a piston shaft; 3. a hose; 4. a handle; 5. a needle head; 6. a sampling box; 7. a first thread bar; 8. a second thread strip; 9. rubber particles; 10. a piston; 11. a connecting head.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-5, the present invention provides the following technical solutions: disposable special needle of neck puncture, including cylinder 1, the inside of cylinder 1 is through slip fixedly connected with piston axle 2, the lower extreme fixedly connected with piston 10 of piston axle 2, the lower extreme interlude of cylinder 1 is connected with connector 11, the lower extreme fixedly connected with hose 3 of cylinder 1, the lower extreme of hose 3 is provided with syringe needle 5, hose 3 passes through 4 fixed connection of handle with syringe needle 5, promote piston 10 through piston axle 2 in the inside of cylinder 1 in this embodiment and reach the injection effect, hold piston axle 2 through piston 10 and the inside friction of cylinder 1 when the sample, make 1 inside atmospheric pressure of cylinder reduce, take out the sample, the lower extreme and the connector of cylinder 1 are inserted each other and are connected, can not influence injection and sample after the interpolation.

Specifically, a side surface of syringe needle 5 is provided with a screw thread strip 7, and a side surface of syringe needle 5 is provided with sample box 6, and the inside of sample box 6 is provided with No. two screw thread strips 8, and syringe needle 5 and sample box 6 are through a screw thread strip 7 and the rotatory block fixed connection of No. two screw thread strips 8, in this embodiment, when the sample is accomplished, only need to follow syringe needle 5 with sample box 6 and revolve down, can accomplish the storage.

Specifically, the handle 4 is a plastic component and both ends of the handle are arc-shaped structures, and in the embodiment, the arc-shaped structures are convenient for holding and pinching the thumb and the forefinger.

Specifically, sample box 6 communicates with each other with syringe needle 5 is inside, in this embodiment, through being connected of sample box 6 and syringe needle 5, can accomplish fast and conveniently to take a sample.

Specifically, the both sides surface integrated into one piece of handle 4 has a plurality of rubber granule 9, through setting up a plurality of rubber granule 9 in this embodiment for can be better in the puncture process pinch handle 4, prevent to drop.

The utility model discloses a theory of operation and use flow: when the utility model is used, the medical staff can hold the handle 4 with hands, because the position of the handle 4 is close to the skin of a patient, the medical staff can stick the back of the hand to the skin of the patient to ensure that the hand is more stable and can puncture more accurately, the hose 3 part is arranged as a hose, the palm of the hand supports the upper end of the piston shaft 2, the piston 10 at the lower end of the piston shaft 2 is pushed downwards for injection, even if the needle cylinder 1 shakes during injection, the needle head 5 cannot be influenced, pain of the patient can be relieved, when sampling, the needle head 5 is punctured into the skin for sampling, the nurse staff holds the needle cylinder 1 with one hand and holds the piston shaft 2 with the other hand, the piston shaft 10 is pulled upwards outwards, the internal air pressure of the piston 1 is reduced, samples are sucked, when the sampling is finished, the needle head 5 is pulled out by sampling, the side provided with the sampling box 6 is vertically downwards, the samples can be sucked into the sampling box 6 by only slightly lifting the piston shaft 2, at the moment, the whole sampling process can be completed only by screwing down the sampling box 6, the sampling is convenient and fast, and the infection probability of the sample is reduced.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A special needle for disposable neck puncture, characterized in that it comprises a needle cylinder (1), the interior of the needle cylinder (1) is fixedly connected with a piston shaft (2) by sliding, and the lower end of the piston shaft (2) is A piston (10) is fixedly connected, a connecting head (11) is inserted and connected to the lower end of the syringe (1), a hose (3) is fixedly connected to the lower end of the syringe (1), and the hose (3) ) is provided with a needle (5) at the lower end, and the hose (3) is fixedly connected with the needle (5) through the handle (4).

2. The disposable special needle for neck puncture according to claim 1, characterized in that: a No. threaded strip (7) is provided on one side surface of the needle head (5), and one side surface of the needle head (5) is provided with a thread strip (7). A sampling box (6) is provided, the inside of the sampling box (6) is provided with a No. 2 thread strip (8), and the needle (5) and the sampling box (6) pass through the No. 1 thread strip (7) and the No. 2 thread strip (8). The threaded strip (8) is rotated and clamped to be fixedly connected.

3 . The disposable special needle for neck puncture according to claim 1 , wherein the handle ( 4 ) is a plastic member and both ends are arc-shaped structures. 4 .

4 . The disposable special needle for neck puncture according to claim 2 , wherein the sampling box ( 6 ) communicates with the inside of the needle ( 5 ). 5 .

5. The disposable special needle for neck puncture according to claim 1, wherein a plurality of rubber particles (9) are integrally formed on both sides of the handle (4).