CN217525980U

CN217525980U - Injection needle for dispensing

Info

Publication number: CN217525980U
Application number: CN202220953366.0U
Authority: CN
Inventors: 王雪
Original assignee: Beijing Jishuitan Hospital
Current assignee: Beijing Jishuitan Hospital
Priority date: 2022-04-24
Filing date: 2022-04-24
Publication date: 2022-10-04
Anticipated expiration: 2032-04-24

Abstract

The utility model discloses an injection needle head for dispensing has set up needle file and needle bar including communicating with the syringe, still includes conical needle point and side injection hole, be equipped with central blind hole in the needle bar, the lower extreme and the needle file of central blind hole are linked together, connect conical needle point on the needle bar on central blind hole upper portion, the side injection hole is located on the wall on needle bar upper portion and is linked together with central blind hole. The utility model discloses an injection needle can prevent to cut the piece down to the medicine bottle piston cap of rubber or plastics material, has the characteristics of avoiding the infusion adverse event to take place and improve medical care operating efficiency.

Description

Injection needle for dispensing

Technical Field

The utility model belongs to the technical field of the medical instrument technique and specifically relates to a dispense and use syringe needle.

Background

The needle head of a large syringe commonly used for preparing liquid medicine in clinical practice in hospitals at present, in the process of preparing the liquid medicine, because the far end of the original needle head forms an acute angle cutting edge, a piston cover of a medicine bottle made of rubber or plastic is often cut off fragments, and the piston cover fragments often cause the blockage of a needle hole of the syringe, so that the syringe cannot be normally used, the injection needle head needs to be replaced again for use, the phenomenon greatly influences the efficiency of medicine preparation operation, increases unnecessary waste and causes the unsmooth operation flow; sometimes, piston cover fragments are even injected into the infusion bag, if the fragments are not found in time, the fragments are likely to be input into the body of a patient, serious infusion reaction is easily brought to the body of the patient, and adverse effects are caused to the health of the patient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a dispense and use syringe needle is provided, the needle bar top is equipped with conical needle point, is equipped with the injection hole on the wall of needle bar both sides respectively, has simple structure, convenient to use, easy to operate, makes the safe efficient characteristics of configuration liquid medicine.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the utility model provides a dispense and use syringe needle, includes needle file and needle bar with the syringe intercommunication, still includes conical needle point and side injection hole, be equipped with central blind hole in the needle bar, the lower extreme of central blind hole is linked together with the needle file, connects conical needle point on the needle bar of central blind hole upper portion, the side injection hole is located the wall on needle bar upper portion and is linked together with central blind hole.

The side injection hole comprises a left injection hole, the left injection hole is positioned on the wall of the needle rod at the upper part of the central blind hole, and the central line of the left injection hole is vertical to the central line of the central blind hole.

In the above dispensing syringe needle, the side injection hole further comprises a right injection hole, the right injection hole is located on the wall of the needle rod below the left injection hole, and the center line of the right injection hole is perpendicular to the center line of the central blind hole.

The utility model provides a pair of dispense and use syringe needle has set up needle file and needle bar including communicating with the syringe, still includes conical needle point and side injection hole, be equipped with central blind hole in the needle bar, the lower extreme and the needle file of central blind hole are linked together, connect conical needle point on the needle bar on central blind hole upper portion, the side injection hole is located on the wall on needle bar upper portion and is linked together with central blind hole. The utility model has the beneficial technical effects that: the center line of the side injection hole of the needle head is vertical to the center line of the central blind hole, and the acute-angle cutting edge cannot be formed on the injection hole by the design scheme, so that the problem that the acute-angle cutting edge on the needle head of the original syringe cuts the piston cover of the medicine bottle into fragments in the liquid distribution process is fundamentally solved, the phenomenon of needle blockage of the syringe in the liquid distribution process is avoided, and the fragments of the piston cover of the medicine bottle can be prevented from being injected into an infusion bag in the liquid distribution process. Two, an injection hole can be established to this kind of syringe needle, can also establish two injection holes, and two injection holes are located the left side and the right side of needle bar respectively, and two injection holes are in the intensity that the syringe needle can be guaranteed to the co-altitude, can carry the liquid medicine of great capacity, have the emergence of avoiding the infusion incident and improve the characteristics of doctorsing and nurses operating efficiency.

Drawings

FIG. 1 is a schematic structural view of a prior art syringe needle with a beveled tip;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a schematic view of the structure of the syringe needle of the present invention;

fig. 4 is an enlarged view of a portion B in fig. 3.

The parts in the figures are numbered: the needle base comprises a needle base 1, a needle rod 2, a triangular needle tip 3, a central through hole 4, a first acute angle 5, a first obtuse angle 6, a second acute angle 7, a second obtuse angle 8, a right injection hole 9, a left injection hole 10, a conical needle tip 11 and a central blind hole 12.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1-4, the utility model provides a dispensing syringe needle, its diameter is greater than 1.5mm, and the injection hole can be designed into one, also can be designed into two, all can be applied to clinical medicine configuration. The injection needle is made of stainless steel pipes, and the conical needle point 11 can be connected with the needle rod 2 through vacuum welding and then polished. The right injection hole 9 and the left injection hole 10 can be formed by selecting an electric spark process. By analyzing the sectional view of the original injection needle, the following can be seen: (see fig. 2) original injection needle head is bevel profile cutting type, and the injection hole is located the top of central through hole 4, forms triangle-shaped needle point 3, first acute angle 5, first obtuse angle 6, second acute angle 7 and second obtuse angle 8 on the needle point inclined plane, and first acute angle 5 and second acute angle 7 scrape when puncturing medicine bottle piston cap and cut down the piece, in order to avoid this phenomenon, (see fig. 4) make the utility model discloses a central line and the central line of central blind hole 12 of left side injection hole 10 and right side injection hole 9 keep perpendicular, acute angle cutting edge can not appear at the injection hole to this kind of design scheme, has avoided downcutting the clastic phenomenon with medicine bottle piston cap. The using method is the same as that of a common injection needle.

Appropriate changes and modifications to the embodiments described above will become apparent to those skilled in the art from the disclosure and teachings herein. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. Furthermore, although specific terms are employed herein, such terms are used for convenience of description and are not to be construed as limiting the invention in any way.

Claims

1. The utility model provides a dispense and use syringe needle, includes needle file (1) and needle bar (2) with the syringe intercommunication, its characterized in that: the needle is characterized by further comprising a conical needle point (11) and a side injection hole, wherein a central blind hole (12) is formed in the needle rod (2), the lower end of the central blind hole (12) is communicated with the needle base (1), the conical needle point (11) is connected to the needle rod (2) on the upper portion of the central blind hole (12), and the side injection hole is located on the wall of the upper portion of the needle rod (2) and communicated with the central blind hole (12).

2. A dispensing needle according to claim 1, wherein: the lateral injection holes comprise a left injection hole (10), the left injection hole (10) is positioned on the wall of the needle rod (2) at the upper part of the central blind hole (12), and the central line of the left injection hole (10) is vertical to the central line of the central blind hole (12).

3. A dispensing needle according to claim 2, wherein: the side injection hole also comprises a right injection hole (9), the right injection hole (9) is positioned on the wall of the needle rod (2) below the left injection hole (10), and the central line of the right injection hole (9) is vertical to the central line of the central blind hole (12).