CN213312529U

CN213312529U - Safety self-destruction syringe

Info

Publication number: CN213312529U
Application number: CN202021428619.XU
Authority: CN
Inventors: 陈香萍; 曹勤利; 宫晓艳
Original assignee: Affiliated Sir Run Run Shaw Hospital of School of Medicine Zhejiang University
Current assignee: Affiliated Sir Run Run Shaw Hospital of School of Medicine Zhejiang University
Priority date: 2020-07-20
Filing date: 2020-07-20
Publication date: 2021-06-01
Anticipated expiration: 2030-07-20

Abstract

The utility model provides a safe type self-destruction syringe, including the cylinder, cylinder top middle part fixedly connected with injection head, the equal fixedly connected with arc in cylinder bottom both sides, sliding connection has the rubber buffer in the cylinder, the rubber buffer bottom is seted up flutedly, the connector has been cup jointed in the recess, connector bottom fixedly connected with push rod, the truncation groove has been seted up to the push rod tail end, the circular push pedal of push rod bottom fixedly connected with, the scale mark has been seted up to the cylinder outer wall, the cylinder outer wall is close to two spacing rings of zero scale one side fixedly connected with of scale mark, injection head top cover is equipped with the syringe needle, the cylinder overcoat is equipped with the protective: after the syringe uses the completion, pulls the protective sheath and arranges the syringe needle in the protective sheath, is connected with two spacing ring block through semi-annular stopper, avoids the unexpected puncture of syringe needle that medical personnel exposed outside to increase the risk of being infected, punctures the cylinder through self-destruction mechanism, destroys the leakproofness of cylinder, avoids the syringe to be utilized by lawless persons reutilization.

Description

Safety self-destruction syringe

Technical Field

The utility model belongs to the technical field of medical instrument, concretely relates to safe type self-destruction formula syringe.

Background

Because traditional syringes all are disposable products, can not destroy by oneself after using, there are many illegal vendors to utilize the hospital to abandon and the syringe that has used is taken again and is sold under the repackage at present, this causes very big infection risk to the customer of purchase, and the syringe needle after the use exposes, it is very unsafe, cause medical personnel to be pricked easily, increase medical personnel's risk of being infected, consequently propose one kind can destroy the cylinder after using, avoid the syringe to be reuse, increase virus infection risk and can protect medical personnel to avoid the danger that the syringe needle exposes accidental pricking wound.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a safe type self-destruction formula syringe aims at solving the problem that the syringe can not destroy by oneself and medical personnel are pricked by the syringe needle accident after being used easily in the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a safe type self-destruction syringe, includes the cylinder, cylinder top middle part fixedly connected with injection head, the equal fixedly connected with arc in cylinder bottom both sides, sliding connection has the rubber buffer in the cylinder, the rubber buffer bottom is seted up flutedly, the connector has been cup jointed in the recess, connector bottom fixedly connected with push rod, the truncation groove has been seted up to the push rod tail end, the circular push pedal of push rod bottom fixedly connected with, the scale mark has been seted up to the cylinder outer wall, the cylinder outer wall is close to two spacing rings of zero scale one side fixedly connected with of scale mark, injection head top cover is equipped with the syringe needle, the cylinder overcoat is equipped with the protective sheath.

In order to make the protection medical personnel not pricked by the syringe needle, as the utility model relates to an it is preferred, the opening has been seted up to protective sheath one side, protective sheath inner wall fixedly connected with semi-annular stopper, the through-hole has been seted up on the protective sheath top, protective sheath outer wall one side alternates and is connected with self-destruction mechanism.

In order to make and destroy the cylinder, as the utility model relates to an it is preferred, self-destruction mechanism includes the shell, the cavity has been seted up on the shell top, be provided with the blade in the cavity, blade top fixedly connected with button, the button is through connecting block and cavity lateral wall fixed connection all around, the play edge of a knife has been seted up to the shell bottom, the blade with go out the edge of a knife and alternate and connect, the shell with the protective sheath alternates and connects.

In order to make it easier to destroy the push rod, as a preferred embodiment of the present invention, the cross-section of the push rod is cross-shaped.

In order to make the device use more easily, conduct the utility model relates to an it is preferred, the position is located the cylinder tail end to cut off the groove, semi-annular stopper width slightly is less than between two spacing rings apart from, the diameter of through-hole is greater than syringe needle tail end diameter.

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

1) by arranging the protective sleeve, after the syringe is used, the protective sleeve slides on the needle cylinder, the needle head retracts into the protective sleeve, and the semi-annular limiting block is directly clamped and connected with the two limiting rings, so that the protective sleeve is fixed, and then medical personnel can avoid the risk of infection caused by accidental puncture of the needle head;

2) through the self-destruction mechanism who is equipped with, this syringe uses the completion back, and the semicircular stopper of protective sheath inner wall is connected with two spacing ring block of cylinder outer wall for medical personnel press the button and break off connecting block and shell lateral wall, and the blade punctures the cylinder through the sword mouth, makes unable negative pressure that realizes in the cylinder, avoids lawless persons to carry out the reutilization with the syringe.

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 before use;

FIG. 2 is a schematic view of the structure of the utility model after use;

fig. 3 is a schematic view of the split structure of the present invention;

fig. 4 is a schematic structural view of the self-destruction mechanism of the present invention.

In the figure: 1. a needle cylinder; 2. an injection head; 3. an arc-shaped plate; 4. a rubber plug; 5. a groove; 6. A connector; 7. a push rod; 8. a cut-off groove; 9. a circular push plate; 10. scale lines; 11. a limiting ring; 12. a needle head; 13. a protective sleeve; 14. an opening; 15. a semi-annular limiting block; 16. a through hole; 17. a self-destruction mechanism; 171. a housing; 172. a cavity; 173. a blade; 174. a button; 175. connecting blocks; 176. and (6) discharging the blade.

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. 1-4, the present invention provides the following technical solutions: the utility model provides a safe type self-destruction syringe, including

cylinder

1, 1 top middle part fixedly connected with injection head 2 of cylinder, the equal fixedly connected with arc 3 in 1 bottom both sides of cylinder, sliding connection has rubber buffer 4 in cylinder 1, recess 5 has been seted up to rubber buffer 4 bottom, connect head 6 has been cup jointed in

recess

5, 6 bottom fixedly connected with push rods 7 of connector, truncation groove 8 has been seted up to push rod 7 tail end, the circular push pedal 9 of 7 bottom fixedly connected with of push rod, scale mark 10 has been seted up to 1 outer wall of cylinder, 1 outer wall of cylinder is close to two spacing rings 11 of zero scale one side fixedly connected with of

scale mark

10, 2 top covers of injection head are equipped with

syringe needle

12, 1 overcoat of.

Preferably, an opening 14 has been seted up to protective sheath 13 one side, and protective sheath 13 inner wall fixedly connected with semicircular stopper 15, through-hole 16 has been seted up on protective sheath 13 top, and protective sheath 13 outer wall one side alternates to be connected with self-destruction mechanism 17.

When the syringe is used, firstly, the protective sleeve 13 is slid to the lowest end of the syringe 1, the needle 12 is sleeved with the injection head 2, the rubber plug 4 is sleeved with the connector 6 through the groove 5, then the rubber plug 4 is pushed into the syringe 1 through the push rod 7 to discharge air in the syringe 1, then the needle 12 is inserted into the liquid medicine, the push rod 7 is pulled to generate negative pressure in the syringe 1 to suck the liquid medicine into the syringe 1, the position of the liquid medicine sucked in the syringe 1 reaching the scale mark 10 is observed through the opening 14 formed in the protective sleeve 13 to determine the amount of the liquid medicine sucked in the syringe 1, a medical worker pulls the arc-shaped plate 3 through fingers and pushes the circular push plate 9 to inject the liquid medicine into a patient, the medical worker can finish the one-hand operation in the process, after the injection is finished, the protective sleeve 13 is slid, the needle 12 is arranged in the protective sleeve 13 through the through hole 16, and the, avoiding virus infection caused by accidental puncture injury of medical care personnel due to the exposed needle head 12.

Preferably, the self-destruction mechanism 17 includes a housing 171, a cavity 172 is opened at the top end of the housing 171, a blade 173 is arranged in the cavity 172, a button 174 is fixedly connected to the top end of the blade 173, the button 174 is fixedly connected to the side wall of the cavity 172 through a connecting block 175, an outlet 176 is opened at the bottom end of the housing 171, the blade 173 is inserted into the outlet 176, and the housing 171 is inserted into the protective sleeve 13.

During specific use, after injection is completed, the protective sleeve 13 slides to the topmost end of the syringe 1, after the semi-annular limiting block 15 is clamped and connected with the two limiting rings 11, medical staff press the button 174 to break the connecting block 175 fixedly connected with the side wall of the shell 171 on the periphery of the button 174, the blade 173 punctures the syringe 1 through the knife outlet 176 to break the tightness of the syringe 1, so that negative pressure cannot be formed in the syringe 1 by pulling the push rod 7, and secondary utilization of the syringe by lawless persons is avoided.

Preferably, the cross section of the push rod 7 is cross-shaped.

Preferably, the cutting groove 8 is arranged at the tail end of the needle cylinder 1, the width of the semicircular limiting block 15 is slightly smaller than the distance between the two limiting rings 11, and the diameter of the through hole 16 is larger than the diameter of the tail end of the needle head 12.

During the specific use, the back is accomplished in the injection, push rod 7 is pushed away to 1 deepest of cylinder, truncation groove 8 just is located the bottom of cylinder 1, the cross section is criss-cross push rod 7 and cuts through truncation groove 8 more easily, stay surplus push rod 7 and rubber buffer 4 in cylinder 1, make this syringe can't reuse, avoid having lawless persons to carry out the reutilization, semi-annular stopper 15 width slightly is less than between two spacing rings 11 apart from making semi-annular stopper 15 can be better with spacing ring 11 direct block be connected, through-hole 16 diameter is greater than syringe needle 12 tail end diameter and makes syringe needle 12 can be more convenient slide through protective sheath 13 place in protective sheath 13 in, avoid naked syringe needle 12 to cause the injury to medical personnel.

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. The utility model provides a safe type self-destruction syringe, includes cylinder (1), its characterized in that: the middle part of the top end of the needle cylinder (1) is fixedly connected with an injection head (2), both sides of the bottom end of the needle cylinder (1) are fixedly connected with arc-shaped plates (3), a rubber plug (4) is connected in the needle cylinder (1) in a sliding way, a groove (5) is arranged at the bottom end of the rubber plug (4), a connector (6) is sleeved in the groove (5), the bottom end of the connector (6) is fixedly connected with a push rod (7), a cut-off groove (8) is arranged at the tail end of the push rod (7), a round push plate (9) is fixedly connected at the bottom end of the push rod (7), the outer wall of the needle cylinder (1) is provided with scale marks (10), one side of the outer wall of the needle cylinder (1), which is close to the zero scale of the scale marks (10), is fixedly connected with two limiting rings (11), the injection head (2) top cover is equipped with syringe needle (12), syringe (1) overcoat is equipped with protective sheath (13).

2. The safety self-destructive syringe according to claim 1, wherein: opening (14) have been seted up to protective sheath (13) one side, protective sheath (13) inner wall fixedly connected with semicircular stopper (15), through-hole (16) have been seted up on protective sheath (13) top, protective sheath (13) outer wall one side alternates and is connected with self-destruction mechanism (17).

3. The safety self-destructive injector according to claim 2, wherein: self-destruction mechanism (17) includes shell (171), cavity (172) have been seted up on shell (171) top, be provided with blade (173) in cavity (172), blade (173) top fixedly connected with button (174), button (174) are all around through connecting block (175) and cavity (172) lateral wall fixed connection, go out edge of a knife (176) has been seted up to shell (171) bottom, blade (173) with go out edge of a knife (176) and alternate and connect, shell (171) with protective sheath (13) alternate and connect.

4. The safety self-destructive syringe according to claim 1, wherein: the cross section of the push rod (7) is in a cross shape.

5. The safety self-destructive injector according to claim 2, wherein: the cutting groove (8) is arranged at the tail end of the needle cylinder (1), the width of the semi-annular limiting block (15) is slightly smaller than the distance between the two limiting rings (11), and the diameter of the through hole (16) is larger than that of the tail end of the needle head (12).