CN220025608U - Injection needle for sterile dispensing - Google Patents

Abstract

The utility model discloses an injection needle for sterile dispensing, which comprises a fixed seat, wherein a steel needle is arranged in the middle of the bottom surface of the fixed seat, a connecting part is arranged above the fixed seat, a connecting pipe is arranged on the bottom surface of the connecting part, and external threads are arranged on the outer side surface of the connecting pipe. According to the utility model, the connecting part is connected with the injector, so that the injector can be used, wherein the liquid medicine in the preparation process can be effectively filtered through the use of the filter screen on the connecting pipe, the hardened powder is prevented from directly entering the steel needle to cause blockage, the liquid medicine in the preparation process is convenient to filter, the connecting pipe on the bottom surface of the connecting part is far away from the fixing seat through rotating the connecting part, the connecting pipe can be taken out of the fixing seat, and one end of the positioning bolt is far away from the positioning hole on the filter screen through rotating the positioning bolt, so that the filter screen can be taken down from the position between the stop blocks, and the filter screen can be detached and cleaned, thereby being beneficial to improving the practicability of the filter screen.

Description

Injection needle for sterile dispensing

Technical Field

The utility model relates to the technical field of medical instruments, in particular to an injection needle for sterile dispensing.

Background

The injection dispensing needle is a common medical treatment tool for medical staff, and a large amount of liquid medicine is required for the medical staff in hospitals for treatment of patients.

The current China patent with the bulletin number of CN208426415U discloses a dispensing injection needle, and the technical scheme is characterized in that: including steel needle and steel needle fixing base, steel needle fixing base includes steel needle fixing base upper portion, steel needle fixing base middle part and with syringe matched with steel needle fixing base lower part, the one end parcel that the needle point was kept away from to the steel needle is in steel needle fixing base upper portion, and steel needle fixing base middle part one end is linked together with the steel needle, and the other end and the steel needle fixing base lower part in steel needle fixing base middle part are linked together, steel needle fixing base upper portion surface is equipped with the stiffening rib that is on a parallel with dispensing injection needle axis of not less than 3, and the surface in steel needle fixing base middle part is equipped with 2 handles of symmetry, the handle is held between the fingers including linking handle and arc flaky and is held between the fingers the piece. The utility model has the beneficial effects that by adopting the technical scheme, the dispensing injection needle is more convenient to install on the injector, and has the advantages of simple structure, high safety and the like.

The above technical scheme has the following defects that although the dispensing injection needle is more convenient to install on the injector, in the technical scheme, the prepared liquid medicine is filtered by a lacking filtering mechanism, solid powder exists in the process of preparing the liquid medicine, and when the solid powder is hardened together, the problem of blocking the steel needle is easily caused, so that the using effect of the injection needle is easily reduced.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides an injection needle for sterile dosing, which has the advantages of being convenient for filtering liquid medicine in the preparation process, preventing blockage and being convenient to use, thereby solving the problems in the prior art.

(II) technical scheme

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides an aseptic injection needle of joining in marriage, includes the fixing base, the bottom surface intermediate position department of fixing base is equipped with the steel needle, the top of fixing base is equipped with connecting portion, and the bottom surface of connecting portion is equipped with the connecting pipe, the outside surface of connecting pipe is equipped with the external screw thread, the inner wall a week of fixing base is equipped with the internal screw thread, the bottom surface both sides of connecting pipe are equipped with the dog, and are equipped with the filter screen between the dog, the locating hole has been seted up on the both sides surface of filter screen, one side surface of dog runs through and is equipped with positioning bolt, and positioning bolt's one end extends to the inside of locating hole.

Preferably, the outer side surface of the connecting part is provided with a holding block, and the surfaces of the two sides of the holding block are provided with anti-slip protrusions.

Preferably, the plurality of the anti-slip protrusions are arranged in total, and the plurality of the anti-slip protrusions are uniformly distributed on the two side surfaces of the holding block.

Preferably, the external thread is in threaded connection with the internal thread.

Preferably, the connecting pipe is matched with the fixing seat.

Preferably, the filter screen is matched with the fixing seat.

Preferably, the holding block and the anti-slip protrusions are made of rubber materials.

(III) beneficial effects

Compared with the prior art, the utility model provides an injection needle for sterile dosing, which has the following beneficial effects:

(1) According to the utility model, the connecting part is connected with the injector, so that the injector can be used, wherein the liquid medicine in the preparation process can be effectively filtered through the use of the filter screen on the connecting pipe, the hardened powder is prevented from directly entering the steel needle to cause blockage, the liquid medicine in the preparation process is convenient to filter, the connecting pipe on the bottom surface of the connecting part is far away from the fixing seat through rotating the connecting part, the connecting pipe can be taken out of the fixing seat, and one end of the positioning bolt is far away from the positioning hole on the filter screen through rotating the positioning bolt, so that the filter screen can be taken down from the position between the stop blocks, and the filter screen can be detached and cleaned, thereby being beneficial to improving the practicability of the filter screen.

(2) According to the utility model, through the holding block and the anti-slip protrusion, the friction force between the hand of a user and the holding block can be effectively increased, the anti-slip effect is improved, the connecting part is convenient for the user to plug in the injector, the limitation in use is reduced, and the user can plug in the injection needle with the injector conveniently.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a sterile dispensing needle according to the present utility model;

FIG. 2 is an enlarged view of an injection needle for sterile compounding according to the present utility model;

FIG. 3 is a front view of an injection needle for sterile dispensing according to the present utility model;

fig. 4 is a schematic diagram of a filter screen structure of an injection needle for aseptic dispensing according to the present utility model.

Legend description:

1. a fixing seat; 2. a steel needle; 3. a connection part; 4. holding the block; 5. a slip preventing protrusion; 6. a connecting pipe; 7. an external thread; 8. a filter screen; 9. positioning holes; 10. an internal thread; 11. positioning bolts; 12. and a stop block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-4, an injection needle for aseptic dispensing, including fixing base 1, the bottom surface intermediate position department of fixing base 1 is equipped with steel needle 2, the top of fixing base 1 is equipped with connecting portion 3, and the bottom surface of connecting portion 3 is equipped with connecting pipe 6, the outside surface of connecting pipe 6 is equipped with external screw thread 7, the inner wall a week of fixing base 1 is equipped with internal screw thread 10, the bottom surface both sides of connecting pipe 6 are equipped with dog 12, and be equipped with filter screen 8 between dog 12, locating hole 9 has been seted up on the both sides surface of filter screen 8, one side surface of dog 12 runs through and is equipped with positioning bolt 11, and positioning bolt 11's one end extends to the inside of locating hole 9, be connected connecting portion 3 and syringe, can use, wherein through the use of filter screen 8 on the connecting pipe 6, can effectively filter the liquid medicine in the preparation process, prevent that the powder of hardening from directly entering into steel needle 2 from causing the jam, be convenient for filter the liquid medicine in the preparation process, wherein through rotating connecting portion 3, make connecting pipe 6 on the bottom surface of connecting portion 3 keep away from fixing base 1, can take out 6 from fixing base 1, rethread rotate positioning bolt 11, make the filter screen 8 keep away from the filter screen 8, can be dismantled from between the practicality, thereby can be removed from the filter screen 8, and can be removed from the hole 8, thereby, the practicality is favorable to be removed from 8.

In one embodiment, the outer side surface of the connecting part 3 is provided with the holding block 4, and the two side surfaces of the holding block 4 are provided with the anti-slip protrusions 5, wherein the friction force between the hand of a user and the holding block 4 can be effectively increased through the cooperation of the holding block 4 and the anti-slip protrusions 5, the anti-slip effect is improved, the connecting part 3 is conveniently inserted into the injector by the user, the limitation in use is reduced, and the injection needle is conveniently inserted into the injector by the user.

In one embodiment, the plurality of anti-slip protrusions 5 are arranged in total, and the plurality of anti-slip protrusions 5 are uniformly distributed on the two side surfaces of the holding block 4, wherein the anti-slip effect of the holding block 4 can be effectively increased through the use of the plurality of anti-slip protrusions 5, and the injection needle and the injector can be conveniently plugged in and out.

In an embodiment, external screw thread 7 and internal screw thread 10 threaded connection, wherein through rotating connecting portion 3 for connecting pipe 6 rotates, when external screw thread 7 kept away from internal screw thread 10, can take out connecting pipe 6 from fixing base 1, and rethread rotates positioning bolt 11, makes positioning bolt 11's one end keep away from the locating hole 9 on the filter screen 8, can take off filter screen 8 from between the dog 12, thereby can dismantle the clearance to filter screen 8, is favorable to improving its practicality.

In one embodiment, the connecting tube 6 is matched to the holder 1.

In one embodiment, the filter 8 is matched to the holder 1.

In one embodiment, the grip block 4 and the anti-slip protrusions 5 are made of rubber, and have the advantage of good anti-slip effect.

Working principle:

when the connecting part 3 is used, the connecting part 3 is connected with the injector, the connecting part can be used, wherein the liquid medicine in the preparation process can be effectively filtered through the use of the filter screen 8 on the connecting pipe 6, the hardened powder is prevented from directly entering the steel needle 2 to cause blockage, the liquid medicine in the preparation process is convenient to filter, the connecting part 3 is rotated, the connecting pipe 6 on the bottom surface of the connecting part 3 is far away from the fixed seat 1, the connecting pipe 6 can be taken out from the fixed seat 1, the positioning bolt 11 is rotated, one end of the positioning bolt 11 is far away from the positioning hole 9 on the filter screen 8, the filter screen 8 can be taken down from between the stop blocks 12, thereby the filter screen 8 can be disassembled and cleaned, the practicability of the connecting part is favorably improved, the friction force between the hand of a user and the holding block 4 can be effectively increased, the anti-skid effect of the connecting part 3 is improved, the connecting part 3 is convenient to plug in the injector, the limitation in use is reduced, and the user is convenient to plug in the needle and the injector.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (7)

1. The utility model provides an aseptic injection needle of joining in marriage, includes fixing base (1), its characterized in that, the bottom surface intermediate position department of fixing base (1) is equipped with steel needle (2), the top of fixing base (1) is equipped with connecting portion (3), and the bottom surface of connecting portion (3) is equipped with connecting pipe (6), the outside surface of connecting pipe (6) is equipped with external screw thread (7), the inner wall a week of fixing base (1) is equipped with internal screw thread (10), the bottom surface both sides of connecting pipe (6) are equipped with dog (12), and are equipped with filter screen (8) between dog (12), locating hole (9) have been seted up on the both sides surface of filter screen (8), one side surface of dog (12) runs through and is equipped with locating bolt (11), and the one end of locating bolt (11) extends to the inside of locating hole (9).

2. An injection needle for sterile dosing according to claim 1, characterized in that the outer side surface of the connecting part (3) is provided with gripping blocks (4), and that the two side surfaces of the gripping blocks (4) are provided with anti-slip protrusions (5).

3. An injection needle for sterile dosing according to claim 2, characterized in that the said cleats (5) are provided in a plurality and the plurality of cleats (5) are evenly distributed on both side surfaces of the gripping block (4).

4. An injection needle for sterile dosing according to claim 1, characterized in that the external thread (7) is screwed with the internal thread (10).

5. An injection needle for sterile dosing according to claim 1, characterized in that the connecting tube (6) is matched to the holder (1).

6. An injection needle for sterile dosing according to claim 1, characterized in that the filter screen (8) is matched to the holder (1).

7. An injection needle for sterile dosing according to claim 2, characterized in that the grip block (4) and the anti-slip protrusions (5) are of rubber material.