CN217138861U

CN217138861U - Self-destruction safety syringe jacket convenient to recover

Info

Publication number: CN217138861U
Application number: CN202220088071.1U
Authority: CN
Inventors: 李光友; 杨发娣; 陈瑶
Original assignee: Xingyi People's Hospital
Current assignee: Xingyi People's Hospital
Priority date: 2022-01-13
Filing date: 2022-01-13
Publication date: 2022-08-09
Anticipated expiration: 2032-01-13

Abstract

The utility model discloses a self-destruction formula safety syringe overcoat convenient to retrieve, including syringe body, connector, push rod and rubber buffer, syringe body's top is provided with the connector, and syringe body's inside is provided with the push rod, the upper portion of push rod is provided with the pole in the slidable, and the top of pole in and is connected with the rubber buffer through the spread groove. The self-destruction safety syringe jacket convenient for recovery can realize cutting off and self-destruction of the rubber plug after the injection is finished by improving the structure of the existing self-destruction safety syringe, effectively avoids the reuse of the syringe, and is convenient for recovering the whole self-destruction safety syringe.

Description

Self-destruction safety syringe jacket convenient to recover

Technical Field

The utility model relates to the field of self-destruction safety syringe coat technology, in particular to a self-destruction safety syringe coat convenient to recycle.

Background

The syringe is a common medicine injection apparatus in hospitals, wherein a three-piece syringe composed of a push rod, a cylinder body and a rubber plug is provided, and because the syringe is disposable, in order to prevent the secondary use of the syringe, various self-destruction syringes appear on the market, such as reference file application numbers: CN201320715295.1, Notice date 20140611, wherein a structure and a use mode of the self-destruction safety syringe are introduced, but the structure is complex, the manufacturing cost is high, and the use of medical staff is inconvenient.

Disclosure of Invention

An object of the utility model is to provide a self-destruction formula safety syringe overcoat convenient to retrieve to current self-destruction formula safety syringe who proposes in solving above-mentioned background art, its structure is comparatively complicated, and the cost of manufacture is high, the problem that inconvenient medical personnel used.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a self-destruction formula safety syringe overcoat convenient to retrieve, includes syringe body, connector, push rod and rubber buffer, the top of syringe body is provided with the connector, and the inside of syringe body is provided with the push rod, the upper portion of push rod is provided with the pole in slidable, and the top of pole in is connected with the rubber buffer through the spread groove.

Preferably, a sliding hole is formed in the push rod, a slidable push rod is arranged in the sliding hole, and a limiting opening is formed in the lower portion of the push rod.

Preferably, the top end of the push rod is integrally formed with a circular cutting head, and the length of the cutting head is greater than the thickness of the rubber plug.

Preferably, the lower terminal surface central point of rubber buffer is provided with the spread groove, and the lower terminal surface of the rubber buffer in the spread groove outside has seted up annular incision groove to the groove width in incision groove is greater than the thickness of dissection head.

Preferably, the limiting opening is communicated with a sliding hole at the lower part of the push rod, the sliding hole penetrates through the top of the push rod, and a limiting block capable of being pulled out and inserted is arranged inside the limiting opening.

Preferably, the limiting block and the limiting opening are in interference fit, and a limiting lug which is connected with the clamping groove at the bottom end of the inner rod in a matched mode is arranged at the top of the limiting block.

Compared with the prior art, the beneficial effects of the utility model are that: the self-destruction safety syringe jacket convenient for recovery can realize the cutting and self-destruction of the rubber plug after the injection is finished by improving the structure of the existing self-destruction safety syringe, effectively avoids the reuse of the syringe and is convenient for the recovery of the whole self-destruction safety syringe;

1. when the push rod is pushed to inject, after liquid medicine in the syringe body is emptied, the cutting head at the top of the push rod can cut off the rubber plug through the cutting groove, so that the rubber plug cannot continue to be used, the self-destruction operation of the syringe body is realized, and the secondary use of the syringe body is avoided;

2. be provided with spacing mouthful in the lower part of push rod, play the effect of placing the stopper, and the inboard upper portion of stopper is provided with spacing lug, play and go on the effect of cooperating the connection with interior pole bottom draw-in groove, can realize spacing to interior pole, the pole shifts out from the inside sliding hole of push rod in avoiding to and before injection use, avoid unexpected promotion push rod, lead to the dissection head at push rod top and rubber buffer contact, be favorable to the protection to the rubber buffer before using.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the portion A-A of FIG. 1 according to the present invention;

FIG. 3 is a schematic structural view of the push rod removing stopper in a pulled-out state;

FIG. 4 is an enlarged schematic view of point A of FIG. 2 according to the present invention;

FIG. 5 is a schematic view of the structure of the push rod of the present invention in a push-in state;

FIG. 6 is an enlarged schematic view of point B in FIG. 5 according to the present invention;

FIG. 7 is a schematic cross-sectional view of the portion B-B in FIG. 2 according to the present invention;

FIG. 8 is a schematic top view of the push rod and the cutting head of the present invention;

fig. 9 is a schematic view of the structure of the rubber stopper viewed from the bottom.

In the figure: 1. an injector body; 2. a connector; 3. a push rod; 4. an inner rod; 5. a rubber plug; 6. a limiting port; 7. a limiting block; 8. a slide hole; 9. a card slot; 10. connecting grooves; 11. a notch groove; 12. cutting heads; 13. and a limiting bump.

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.

Referring to fig. 1-9, the present invention provides a technical solution: the utility model provides a self-destruction formula safety syringe overcoat convenient to retrieve, including syringe body 1, connector 2, push rod 3, interior pole 4, rubber buffer 5, spacing mouth 6, stopper 7, sliding hole 8, draw-in groove 9, spread groove 10, notch groove 11, dissection head 12 and spacing lug 13, the top of syringe body 1 is provided with connector 2, and the inside of syringe body 1 is provided with push rod 3, the upper portion of push rod 3 is provided with pole 4 in the slidable, and the top of pole 4 is connected with rubber buffer 5 through spread groove 10 in the just.

Slide opening 8 has been seted up to the inside of push rod 3, and the inside of slide opening 8 is provided with slidable push rod 3, and spacing mouthful 6 has been seted up to the lower part of push rod 3, sliding opening 8 of spacing mouthful 6 and 3 lower parts of push rod is linked together, and slide opening 8 runs through the top of push rod 3, and the inside of spacing mouthful 6 is provided with the stopper 7 that can pull out the plug, be interference fit between stopper 7 and the spacing mouthful 6, and the top of stopper 7 is provided with the spacing lug 13 of being connected with interior pole 4 bottom draw-in groove 9 cooperation, set up like this and play and make the inboard spacing lug 13 of stopper 7 enter into in the draw-in groove 9 of interior pole 4 bottom, and then realize the spacing of interior pole 4, avoid before the use, interior pole 4 removes in slide opening 8, avoid the mistake between 3 top cuts segment head 12 of push rod and the rubber buffer 5 to bump the operation.

The top integrated into one piece of push rod 3 has annular dissection head 12, and the length of dissection head 12 is greater than rubber buffer 5's thickness, rubber buffer 5's lower terminal surface central point is provided with spread groove 10, and the lower terminal surface of the rubber buffer 5 in the spread groove 10 outside has seted up annular incision groove 11, and the groove width in incision groove 11 is greater than dissection head 12's thickness, set up like this and play and carry out the effect of cooperating the connection to dissection head 12 and incision groove 11, after the injection is accomplished, can realize the cutting operation to incision groove 11 department on the rubber buffer 5, the effectual secondary use who has avoided syringe body 1.

The working principle is as follows: before detection, as shown in fig. 1-3 and 7, firstly, an injection needle is inserted and sleeved on a connector 2 at the top of an injector body 1, then, the injection needle is inserted into a liquid medicine bottle, and a push rod 3 is pulled outwards, the push rod 3 can limit with a clamping groove 9 at the bottom of an inner rod 4 through the arrangement of a limiting lug 13 at the inner side of a limiting block 7, so that the push rod 3 pulls the inner rod 4 outwards through the limiting lug 13 and the clamping groove 9, the inner rod 4 drives a rubber plug 5 to move downwards, further, liquid medicine in the liquid medicine bottle is sucked into the injector body 1, when injection is needed, the push rod 3 is pushed on line, air in the injector body 1 is firstly evacuated, then, the injection needle is inserted into subcutaneous tissue of a patient, at the moment, the limiting block 7 can be pulled out from a limiting port 6 at the lower part of the push rod 3, and the limiting of the limiting lug 13 at the inner side of the limiting block 7 at the clamping groove 9 at the bottom of the inner rod 4 is lost, at this time, as shown in fig. 2, fig. 4, fig. 5-6 and fig. 8-9, when the medical staff pushes the push rod 3 to inject, after the rubber plug 5 contacts with the top of the syringe body 1, the push rod 3 continues to be pushed, at this time, the inner rod 4 slides in the sliding hole 8 on the inner side of the push rod 3, so that the cutting head 12 on the top of the push rod 3 tightly pushes the notch groove 11 on the lower end face of the rubber plug 5, and then the rubber plug 5 is cut off, so that the syringe body 1 is self-destroyed, thus the whole process of the self-destruction type safety syringe jacket convenient for recycling is completed.

It should be understood that the terms "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, are used in an orientation or positional relationship indicated in the drawings for ease of description of the invention, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the scope of the invention.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a self-destruction formula safety syringe overcoat convenient to retrieve, includes syringe body (1), connector (2), push rod (3) and rubber buffer (5), its characterized in that: the top of syringe body (1) is provided with connector (2), and the inside of syringe body (1) is provided with push rod (3), the upper portion of push rod (3) is provided with pole (4) in slidable, and the top of pole (4) is connected with rubber buffer (5) through spread groove (10).

2. A self-destructing safety syringe cover convenient to recycle as claimed in claim 1, wherein: sliding holes (8) are formed in the push rods (3), the slidable push rods (3) are arranged in the sliding holes (8), and limiting openings (6) are formed in the lower portions of the push rods (3).

3. A self-destructing safety syringe cover convenient to recycle as claimed in claim 1, wherein: the top end of the push rod (3) is integrally formed with a circular cutting head (12), and the length of the cutting head (12) is larger than the thickness of the rubber plug (5).

4. A self-destructing safety syringe cover convenient to recycle as claimed in claim 1, wherein: the lower terminal surface central point of rubber buffer (5) is provided with spread groove (10), and annular incision groove (11) have been seted up to the lower terminal surface of rubber buffer (5) in the spread groove (10) outside to the groove width in incision groove (11) is greater than the thickness of dissection head (12).

5. A self-destructing safety syringe cover convenient to recycle as claimed in claim 2, wherein: the limiting opening (6) is communicated with a sliding hole (8) at the lower part of the push rod (3), the sliding hole (8) penetrates through the top of the push rod (3), and a limiting block (7) capable of being pulled out and inserted is arranged inside the limiting opening (6).

6. A self-destructing safety syringe cover convenient to recycle as claimed in claim 5, wherein: the limiting block (7) and the limiting opening (6) are in interference fit, and the top of the limiting block (7) is provided with a limiting convex block (13) which is connected with the clamping groove (9) at the bottom end of the inner rod (4) in a matched mode.