CN212997798U

CN212997798U - Totally-enclosed sterile first-aid syringe

Info

Publication number: CN212997798U
Application number: CN202020541549.2U
Authority: CN
Inventors: 陈华根
Original assignee: Jiangxi Qingshantang Medical Devices Co ltd
Current assignee: Jiangxi Qingshantang Medical Devices Co ltd
Priority date: 2020-04-14
Filing date: 2020-04-14
Publication date: 2021-04-20
Anticipated expiration: 2030-04-14

Abstract

The utility model discloses a totally-enclosed sterile first-aid injector, which comprises a liquid medicine injection mechanism, a conversion mechanism, an injection mechanism and a medicine storage mechanism, wherein the liquid medicine injection mechanism is connected with the injection mechanism through the conversion mechanism; the utility model discloses a totally closed aseptic first aid syringe injects the liquid medicine in the liquid injection mechanism into injection mechanism through the shifter for the medicine can the flash mixed, appears infecting when avoiding the medicine to mix.

Description

Totally-enclosed sterile first-aid syringe

Technical Field

The utility model belongs to the syringe field, concretely relates to totally closed aseptic first aid syringe.

Background

The emergency syringe is a more common emergency medical equipment, can carry out the syringe of first aid to the wounded in some urgent special places, it has placed specific medicine in advance in it to inject, inject the wounded together mixing the medicine, and this kind of emergency syringe often can be quick under the abominable environment of outdoor conditions retrieve wounded's life, and be difficult to appear infecting, mix at the syringe inner wall because of its medicine, and can not need the syringe to take out the liquid medicine repeatedly and mix like conventional syringe, accelerate wounded's treatment process when avoiding medicine or syringe infected risk.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a totally closed aseptic first aid syringe is provided, inject the liquid medicine in the liquid injection mechanism into injection mechanism through the shifter for the medicine can the flash mixed, appears infecting when avoiding the medicine to mix.

A totally-enclosed sterile first-aid injector comprises a liquid medicine injection mechanism, a conversion mechanism, an injection mechanism and a medicine storage mechanism, wherein the liquid medicine injection mechanism is connected with the injection mechanism through the conversion mechanism; the liquid medicine injection mechanism comprises a push pipe and a transition pipe, a push rod is arranged in the push pipe, an internal thread is arranged on the inner wall of one end of the push pipe, an external thread matched with the internal thread of the push pipe is arranged on the outer wall of one end of the transition pipe, one end of the transition pipe provided with the external thread is arranged in the push pipe, an internal thread is arranged on the inner wall of the other end of the transition pipe, a medicine storage mechanism is arranged in the transition pipe, and one end of the push rod is connected with a liquid guide piston of the medicine storage mechanism in the transition pipe; the switching mechanism is including partition panel and leading the medicine needle, the partition panel both sides all are provided with the displacement solenoid, lead the medicine needle and run through the partition panel, the partition panel side is provided with the rotary rod, the displacement solenoid outside is provided with the screw thread, the screw thread of partition panel one side displacement solenoid and the interior screw-thread fit of transition pipe.

Preferably, the injection mechanism comprises an injection fixed tube, an injection needle and a fixed seat, a medicine storage mechanism is arranged in the injection fixed tube, a ring pressing column is arranged in the injection tube, an internal thread matched with the thread on the outer side of the displacement screw tube is arranged on the inner wall of one end of the injection fixed tube, the other end of the injection fixed tube is sleeved outside one end of the injection tube, one end of the injection needle penetrates through the ring pressing column and extends to one side of a liquid guide piston of the medicine storage mechanism in the injection fixed tube, and the injection needle is fixed on the ring pressing column through the fixed seat.

Preferably, the injection fixed tube and the injection movable tube are both provided with a handheld ring.

Preferably, one end of the injection needle, which is far away from the medicine storage mechanism, is sleeved with a protective shell.

Preferably, the outside of the injection tube is provided with graduation lines.

Has the advantages that:

(1) the utility model discloses a totally closed aseptic first aid syringe injects the liquid medicine in the liquid injection mechanism into injection mechanism through the shifter for the medicine can the flash mixed, appears infecting when avoiding the medicine to mix.

(2) The utility model discloses an its simple structure of totally closed aseptic first aid syringe, convenient and practical can be derived the medicine when storing up medicine mechanism and accomplishing the medicine through set up a drain piston in the pencil.

Drawings

FIG. 1 is a schematic view of the structure of the syringe;

FIG. 2 is a schematic structural view of the conversion mechanism;

FIG. 3 is a schematic structural view of a liquid medicine injection mechanism;

FIG. 4 is a schematic view of the injection mechanism;

1-liquid medicine injection mechanism, 11-push tube, 12-push rod, 13-liquid guide piston, 14-transition tube, 15-medicine tube, 16-silica gel sealing plate, 2-conversion mechanism, 21-partition plate, 22-displacement solenoid, 23-medicine guide needle, 24-rotating rod, 3-injection mechanism, 31-injection fixed tube, 32-injection tube, 33-pressing ring column, 34-injection needle, 35-fixed seat, 36-hand-held ring and 37-protective shell.

Detailed Description

The embodiments of the present invention will be further explained with reference to the drawings.

Example 1

As shown in fig. 1-4; a totally-enclosed sterile first-aid injector comprises a liquid medicine injection mechanism 1, a conversion mechanism 2, an injection mechanism 3 and a medicine storage mechanism, wherein the liquid medicine injection mechanism 1 is connected with the injection mechanism 3 through the conversion mechanism 2, the liquid medicine injection mechanism 1 and the injection mechanism 3 are both internally provided with the medicine storage mechanism, the medicine storage mechanism comprises a medicine tube 15, one end of the medicine tube 15 is internally provided with a liquid guide piston 13, and the other end of the medicine tube 15 is sintered with a silica gel sealing plate 16; the liquid medicine injection mechanism 1 comprises a push pipe 11 and a transition pipe 14, a push rod 12 is arranged in the push pipe 11, an internal thread is arranged on the inner wall of one end of the push pipe 11, an external thread matched with the internal thread of the push pipe 11 is arranged on the outer wall of one end of the transition pipe 14, one end of the transition pipe 14 provided with the external thread is arranged in the push pipe 11, an internal thread is arranged on the inner wall of the other end of the transition pipe 14, a medicine storage mechanism is arranged in the transition pipe 14, and one end of the push rod 12 is connected with a liquid guide piston 13 of the medicine storage mechanism in the transition pipe 14; the conversion mechanism 2 comprises a partition plate 21 and a medicine guide needle 23, displacement spiral tubes 22 are arranged on two sides of the partition plate 21, the medicine guide needle 23 penetrates through the partition plate 21, a rotary rod 24 is arranged on the side face of the partition plate 21, threads are arranged on the outer sides of the displacement spiral tubes 22, and the threads of the displacement spiral tubes 22 on one side of the partition plate 21 are matched with the internal threads of the transition tube 14; the injection mechanism 3 comprises an injection fixed tube 31, an injection tube 32, an injection needle 34 and a fixed seat 35, a medicine storage mechanism is arranged in the injection fixed tube 31, a ring pressing column 33 is arranged in the injection tube 32, an internal thread matched with the external thread of the displacement screw tube 22 is arranged on the inner wall of one end of the injection fixed tube 31, the other end of the injection fixed tube 31 is sleeved outside one end of the injection tube 32, one end of the injection needle 34 penetrates through the ring pressing column 33 and extends to one side of a liquid guide piston 13 of the medicine storage mechanism in the injection fixed tube 31, and the injection needle 34 is fixed on the ring pressing column 33 through the fixed seat 35; the injection fixed pipe 31 and the injection movable pipe 32 are both provided with a handheld ring 36; a protective shell 37 is sleeved at one end of the injection needle 34 far away from the medicine storage mechanism; the outside of the injection tube 32 is provided with graduation marks.

When the emergency injector is used, the end provided with the injection needle 34 faces upwards, one end of the injection needle 34 is inserted into the liquid guide piston 13 of the medicine storage mechanism in the injection fixed tube 31 by pressing, so that the medicine storage mechanism in the injection fixed tube 31 is communicated with the injection needle 34, the displacement screw tubes 22 on two sides of the partition plate 21 are rotated by adjusting the rotary rod 24, the threads of the two displacement screw tubes 22 are respectively matched with the internal thread of the transition tube 14 and the internal thread on the inner wall of one end of the injection fixed tube 31 to synchronously rotate, so that two ends of the medicine guide needle 23 respectively penetrate through the silicone sealing plate 16 on one end of the medicine storage mechanism in the injection fixed tube 31 and the transition tube 14 to extend into the medicine tube 15, so that the medicine storage mechanisms in the injection fixed tube 31 and the transition tube 14 are communicated, the push tube 11 drives the push rod 12 by pressing, the push rod 12 drives the liquid guide piston 13 of the medicine storage mechanism in the transition tube 14 to move, so that the medicine in the medicine storage mechanism in the transition tube 14 is mixed in the medicine storage mechanism in the medicine In the mixing process, air in the medicine storage mechanism in the injection fixed tube 31 is led out through the injection needle 34, and the medicine guide needle 23 is withdrawn from the medicine storage mechanism in the injection fixed tube 31 by rotating the adjusting rotating rod 24 after mixing; when the protective shell 37 is pulled out, fingers are inserted into the injection fixed tube 31 and the handheld ring 36 on the injection tube 32, the handheld ring 36 enables one end of the injection tube 32 to be driven to move in the injection fixed tube 31 by contracting the distance between the injection fixed tube 31 and the handheld ring 36 on the injection tube 32, the injection tube 32 can be inserted into the injection fixed tube 31 and move with the medicine tube 15 inside the injection fixed tube 31, a gap for the injection fixed tube 31 to move is arranged between the injection fixed tube 31 and the medicine tube 15, the injection tube 32 drives the pressing ring column 33 to move, the pressing ring column 33 can push the liquid guide piston 13 in the medicine storage mechanism inside the injection fixed tube 31 to move, air is firstly exhausted when the liquid guide piston 13 moves, the injection tube 32 is pushed to move in the injection fixed tube 31 for the next time when the injection needle 34 is inserted into the patient, and the medicine is injected into the patient; by providing graduated lines on the outside of the injection tube 32, the amount of drug injected into the patient can be controlled during injection.

The above detailed description of the embodiments of the present invention is only for exemplary purposes, and the present invention is not limited to the above detailed description. Any equivalent modifications and substitutions to those skilled in the art are also within the scope of the present invention. Accordingly, variations and modifications in equivalents may be made without departing from the spirit and scope of the invention, which is intended to be covered by the following claims.

Claims

1. A totally-enclosed sterile emergency syringe is characterized in that: the device comprises a liquid medicine injection mechanism (1), a conversion mechanism (2), an injection mechanism (3) and a medicine storage mechanism, wherein the liquid medicine injection mechanism (1) is connected with the injection mechanism (3) through the conversion mechanism (2), the medicine storage mechanisms are arranged in the liquid medicine injection mechanism (1) and the injection mechanism (3), each medicine storage mechanism comprises a medicine tube (15), a liquid guide piston (13) is arranged in one end of each medicine tube (15), and a silica gel sealing plate (16) is sintered at the other end of each medicine tube (15); the liquid medicine injection mechanism (1) comprises a push pipe (11) and a transition pipe (14), a push rod (12) is arranged in the push pipe (11), an internal thread is arranged on the inner wall of one end of the push pipe (11), an external thread matched with the internal thread of the push pipe (11) is arranged on the outer wall of one end of the transition pipe (14), one end of the transition pipe (14) provided with the external thread is arranged in the push pipe (11), an internal thread is arranged on the inner wall of the other end of the transition pipe (14), a medicine storage mechanism is arranged in the transition pipe (14), and one end of the push rod (12) is connected with a liquid guide piston (13) of the medicine storage mechanism in the transition pipe (14); the switching mechanism (2) is including partition panel (21) and medicine needle (23) of leading, partition panel (21) both sides all are provided with displacement solenoid (22), lead medicine needle (23) and run through partition panel (21), partition panel (21) side is provided with rotary rod (24), displacement solenoid (22) outside is provided with the screw thread, the screw thread and the transition pipe (14) interior screw-thread fit of partition panel (21) one side displacement solenoid (22).

2. A fully enclosed sterile emergency syringe according to claim 1, wherein: the injection mechanism (3) comprises an injection fixed pipe (31), an injection moving pipe (32), an injection needle (34) and a fixing seat (35), a medicine storage mechanism is arranged in the injection fixed pipe (31), a ring pressing column (33) is arranged in the injection moving pipe (32), an internal thread which is in threaded fit with the outer side of a displacement screw pipe (22) is arranged on the inner wall of one end of the injection fixed pipe (31), the other end of the injection fixed pipe (31) is sleeved outside one end of the injection moving pipe (32), one end of the injection needle (34) penetrates through the ring pressing column (33) and extends to one side of a liquid guide piston (13) of the medicine storage mechanism in the injection fixed pipe (31), and the injection needle (34) is fixed on the ring pressing column (33) through the fixing seat (35).

3. A fully enclosed sterile emergency syringe according to claim 2, wherein: the injection fixed pipe (31) and the injection movable pipe (32) are both provided with a handheld ring (36).

4. A fully enclosed sterile emergency syringe according to claim 3, wherein: one pot head that syringe needle (34) kept away from medicine storage mechanism is equipped with protective housing (37).

5. A fully enclosed sterile emergency syringe according to claim 4, wherein: the outer side of the injection tube (32) is provided with scale marks.