CN2664685Y

CN2664685Y - Outer safe sleeve of syringe

Info

Publication number: CN2664685Y
Application number: CN 200320102918
Authority: CN
Inventors: 谢欣珀; 何其泽; 王识钧
Original assignee: Suide Medical Material Sci & Tech Co Ltd
Current assignee: Suide Medical Material Sci & Tech Co., Ltd.
Priority date: 2003-11-05
Filing date: 2003-11-05
Publication date: 2004-12-22
Anticipated expiration: 2013-11-05

Abstract

The utility model relates to a syringe extrinsic security sleeve, which is composed of an inner tube and an outer tube jacketed on the outside of the inner tube. The inner tube has the first binding end linked with a binding structure which can be in binding assembly with the syringe, while the other end of the inner tube corresponded to the first bonding end is the second bonding end. The end in which the outer tube and the inner tube are in muff coupling each other is the outer tube first bonding end. When in use, the utility model is firstly jacketed on a syringe. After the implementation of the injection is finished, the outer tube is then pushed out toward the syringe needle, so that the second binding end of the inner tube and the first bonding end of the outer tube are fixed in snap fitting each other. Therefore, the syringe needle part can be shielded completely by the outer tube. The prevention for the puncturing injury accidents from syringe needles is obtained. The utility model is applicable to the syringes of different forms.

Description

Syringe add safety sleeve

Technical field

This utility model is the safety sleeve that adds that is relevant to a kind of syringe, refers to a kind of being formed by inside and outside sleeve combination on the syringe that is installed in general type especially, can reach the purpose that prevents syringe needle injury user.

Background technology

All can use syringe during the general medicine injection, because syringe need be provided with syringe needle in order to thrust in the patient body, liquid in the syringe could be imported, therefore if use medical personnel that general syringe uses accidentally, prick oneself when desire is recovered original plastics upper shield with syringe needle in that syringe needle is extracted out by human body probably, therefore relevant manufacturing industry constantly pushes away and newly goes out safety injector, with the anxiety that prevents that user from being stabbed by syringe needle.

The syringe of commonly using is stabbed in order to prevent the syringe needle that personnel were used, but the safety injector that therefore many dealer's design haulback type syringe needles are arranged, promptly after user uses syringe, can back be pulled to syringe needle in the syringe cylinder, therefore do not need user again in the original plastics upper shield with pinhead sleeve back stitching head, can prevent to be stabbed; Some safety injector is in outside molding one sleeve in addition of syringe cylinder in addition, after user uses safety injector, this sleeve is released to cover the position of syringe needle toward the syringe needle direction, can prevent that syringe needle from stabbing user or other people.

Yet the above-mentioned safety injector of commonly using, all must when making, produce syringe the sleeve that can release or the structure that can pull back syringe needle in the lump, its manufacturing cost is higher relatively, and for the general syringe of at present commercially available not design safety structure, there is no the effect of improvement, therefore for general commercially available syringe, how to install the safety design additional and stab personnel, improvements are arranged in fact to prevent syringe needle.

The utility model content

In order to improve the shortcoming of commonly using syringe, this utility model provides a kind of and is set in outside the general syringe, and reach prevent syringe needle stab personnel's user syringe add safety sleeve.

In order to achieve the above object, this utility model provides a kind of safety sleeve that adds of syringe, the outer outer tube of pipe was formed in it was sheathed on by an interior pipe and, should in pipe have one first binding end be connected with one can combine with syringe the assembling integrated structure, and should holding in addition of interior pipe have one second binding end, this outer tube and interior pipe a belled end mutually are outer tube first binding end, when outer tube towards when the interior pipe first binding end direction is released, second binding end of interior pipe and outer tube first binding end can be fastened.

Preferably, the adding in the safety sleeve of syringe described in the utility model, first binding end of this outer tube inwardly convexes with a circle bulge loop, and should in second binding end of pipe be concaved with a scrobicular ring that can fasten with bulge loop.

Preferably, the adding in the safety sleeve of syringe described in the utility model, first binding end of this outer tube also can inwardly convex with plurality of bump, and should in second binding end of pipe be concaved with a scrobicular ring that can fasten with bulge loop.

Preferably, the adding in the safety sleeve of syringe described in the utility model, the end relatively in addition of this outer tube first binding end is the opening that can be taper.

Preferably, the adding in the safety sleeve of syringe described in the utility model, the combinative structure that first binding end of pipe is connected in this is to be the lamellar body that has bending segment in the middle of, this lamellar body is to divide into an a connecting piece and a fastening piece by bending segment;

The bottom surface of this brace combines with an end of interior pipe, and offers a hole in the center, and has the buckling component that can fasten with fastening piece in the another side that is connected with bending segment;

This fastening piece is to offer a breach in the another side that is connected with bending segment, and is provided with the buckling component that can fasten with brace around breach.

Preferably, the adding in the safety sleeve of syringe described in the utility model, the another side that this brace is connected with bending segment offers perforation, and the breach of this fastening piece around convex with the projection that matches corresponding to perforation place of brace.

Preferably, the adding in the safety sleeve of syringe described in the utility model, this projection is to have the bottom surface that the big broadness end of an external diameter can be butted on fastening piece.

By this, when outer tube push to the syringe needle direction be pulled away from pipe and when covering the syringe needle position, can reach and prevent that syringe needle from stabbing personnel's accident, can make the syringe of general no safety device, install the purpose that can reach safety syringe-drum after the safety sleeve of the present utility model additional.

Description of drawings

Fig. 1 is the three-dimensional exploded view of this utility model and syringe assembling.

Fig. 2 is the schematic perspective view of this utility model and syringe assembling.

Fig. 3 is the side cut away view of Fig. 2.

Fig. 4 is that trocar sheath of the present utility model is toward the drop-down schematic perspective view that covers syringe needle.

Fig. 5 is the side cut away view of Fig. 4.

In the accompanying drawing:

10--outer tube 12--outer tube first binding end

14--projection 34--brace

16--opening 35--breach

Pipe 36--fastening piece in the 20--

The 22--first binding end 37--projection

The broad end of the 24--second binding end 38--

26--scrobicular ring 40--syringe

30--integrated structure 42--grip part

31--hole 44--push rod

32--bending segment 46--syringe needle

The 33--perforation

The specific embodiment

See also Fig. 1 to shown in Figure 3, the safety sleeve that adds of syringe of the present utility model is to comprise pipe 20 in an outer tube 10 and;

This outer tube 10 is to manage in can being sheathed on outside 20, one end of this outer tube 10 is outer tube first binding end 12, end is an opening 16 in addition, this outer tube first binding end 12 be can with the assembling that mutually combines of interior pipe 20, this outer tube first binding end 12 inwardly convexes with plurality of bump 14, and the plurality of bump 14 that this outer tube first binding end 12 inwardly is convexly equipped with also can be reached same effect by a circle bulge loop (not shown) replacement, and the opening 16 of this outer tube can form taper;

Should in pipe 20 have first binding end 22 that is formed with combinative structure 30, its relative other end is second binding end 24, this combinative structure 30 is in order to combine with syringe 40 grip parts 42, this combinative structure 30 is to be the lamellar body that has bending segment 32 in the middle of, and this lamellar body is to divide into an a connecting piece 34 and a fastening piece 36 by bending segment 32;

The bottom surface of this brace 34 engages with first binding end 22 of interior pipe 20, and offer a hole 31 in the center, and have the buckling component that can fasten with fastening piece 36 in the another side that is connected with bending segment 32, it is to can be a plurality of perforation 33 that are arranged with for this buckling component;

This fastening piece 36 is to offer a breach 35 in the relative other end with bending segment 32 connections, and around breach 35, be provided with the buckling component that can fasten with brace 34, this buckling component, be to convex with the projection 37 that matches in perforation 33 places corresponding to brace 34 around breach 35, this projection 37 is to have the bigger broadness end 38 of an external diameter;

This second binding end 24 is to assemble with the outer tube first binding end 12 mutual fits of outer tube 10, and this second binding end 24 is to be formed with a circle scrobicular ring 26;

Before this utility model uses, pipe 20 outsides in second binding end, the 24 compressing outer tubes 10 that outer tube 10 is seen through interior pipe 20 by outer tube first binding end 12 are placed in advance, and first binding end 22 of pipe 20 in outer tube first binding end 12 pushed to, it is standby to finish assembling.

When the syringe 40 that does not generally have the protection needle apparatus is assembled with this utility model; be that combinative structure 30 by interior pipe 20 combines assembling with the grip part 42 of syringe 40; it is that the interior pipe 20 that will be arranged with outer tube 10 does not draw back and up is sheathed on outside syringe 40 syringes by syringe needle 46 places syringe needle 46 original plastics upper shields this moment that hole 31 places align syringe 40 in proper order; and the tapered open end 16 of outer tube 10 also can make syringe needle 46 expose; other makes brace 34 end faces of integrated structure 30 be butted on the bottom surface of the grip part 42 of syringe 40; bending segment 32 bendings with integrated structure 30; make the breach of fastening piece 36 wear the push rod 44 of syringe 40; and fastening piece 36 is fastened by projection 37 perforation 33 with brace 34, and make the broadness of projection 37 hold 38 bottoms to be butted on the bottom surface of brace 34 and reach fixed effect.

Cooperate Fig. 4 and Fig. 5 to see it, after syringe 40 is finished using, stab personnel in order to prevent syringe needle 46, therefore outer tube 10 of the present utility model is released and it is covered fully toward the direction of syringe needles 46, simultaneously and make the projection 14 of outer tube first binding end 12 fasten in the scrobicular ring 26 of pipe 20 second binding ends 24 and manage the effect that 10 outer tubes 20 are fastened in reaching.

In sum, the safety sleeve that adds of syringe of the present utility model is to have to manage 20 and one outer tubes 10 that are sheathed on outside the interior pipe 20 in one, first binding end 22 of pipe 20 is connected with an integrated structure 30 and can combines assembling with syringe 40 in being somebody's turn to do, and the other end of pipe 20 has one second binding end 24 in being somebody's turn to do, outer tube 10 and interior pipe 20 mutually sheathed ends are outer tube first binding end 12, this outer tube first binding end 12 can be fastened with second binding end 22 pipe in outer tube 10 is released of interior pipe 20 in 20 o'clock, making outer tube 20 can't go inwardly pipe 10 directions again pulls back, syringe needle 46 can not expose, by this, reach the accident that prevents that syringe 40 syringe needles 46 from stabbing the people, and applicable to multi-form syringe 40.

Claims

1. a syringe adds safety sleeve, it is characterized in that, it is to have to manage in one and an outer tube that is sheathed on outside the interior pipe, should in an end of pipe be first binding end and be connected with an integrated structure that can combine assembling with syringe, and should in the in addition end of pipe have one second binding end, the mutually sheathed end of this outer tube and interior pipe is that an outer tube first binding end can fasten to assemble during pipe in outer tube is released and fixes with second binding end of interior pipe.

2. as the safety sleeve that adds of 1 described syringe of claim the, it is characterized in that wherein first binding end of this outer tube inwardly convexes with plurality of bump, and should in second binding end of pipe be concaved with a scrobicular ring that can fasten with bulge loop.

As the safety sleeve that adds of 1 described syringe of claim the, it is characterized in that 3, wherein first binding end of this outer tube inwardly convexes with a circle bulge loop, and should in second binding end of pipe be concaved with a scrobicular ring that can fasten with bulge loop.

4. as the safety sleeve that adds of claim the 2 or 3 described syringes, it is characterized in that wherein this outer tube is to be taper with respect to the opening of first binding end.

5. as the safety sleeve that adds of 1 described syringe of claim the, it is characterized in that the combinative structure of pipe is to be the lamellar body that has bending segment in the middle of in wherein being somebody's turn to do, this lamellar body is to divide into an a connecting piece and a fastening piece by bending segment;

The bottom surface of this brace combines with first binding end of interior pipe, and offers a hole in the center, and is formed with the buckling component that can fasten with fastening piece in the another side that is connected with bending segment;

This fastening piece is to offer a breach in the another side that is connected with bending segment, and is provided with the buckling component that can be interlocked with the brace buckling component around breach.

6. as the safety sleeve that adds of 5 described syringes of claim the, it is characterized in that, wherein the another side that is connected with bending segment of this brace offers perforation, and the breach of this fastening piece around convex with the projection that matches corresponding to perforation place of brace.

7. as the safety sleeve that adds of 6 described syringes of claim the, it is characterized in that wherein this projection is to have the bottom surface that the big broadness end of an external diameter can be butted on fastening piece.