CN108721736A

CN108721736A - safety syringe structure

Info

Publication number: CN108721736A
Application number: CN201710278030.2A
Authority: CN
Inventors: 辜仁传
Original assignee: Sheng Yang International Science And Technology Co Ltd
Current assignee: Sheng Yang International Science And Technology Co Ltd
Priority date: 2017-04-25
Filing date: 2017-04-25
Publication date: 2018-11-02

Abstract

A kind of safety syringe structure, including：One syringe, a uppicker, a syringe needle and a push rod, the uppicker and push rod are slidably installed in syringe respectively, uppicker is arranged a valve plug set, and uppicker, adjacent to syringe front end, which is located at syringe front end, and group connects the uppicker, the uppicker is internally provided with the through-hole of a connection syringe needle, which extends to form a pointed nose, and configures a cock body, make cock body towards uppicker, and pointed nose is threaded through toward uppicker and through-hole direction other than cock body；When use, the pointed nose can be with push rod migration syringe front end, pointed nose is set to be inserted into simultaneously snapping uppicker through-hole, the pointed nose can also be with push rod migration back end of syringe, pointed nose is set to drive syringe needle to move into pipeline by uppicker, certainly used syringe needle can be stored, promote the safety after needle cylinder injection, improve existing syringe needle and be easy to stab other people situation.

Description

Safety syringe structure

Technical field

The present invention relates to a kind of syringe cylinder structures can take in the syringe needle of syringe front end after syringe uses injection In syringe, avoid needlestick injuries other people, to promote the safety syringe structure of safety.

Background technology

Existing injection needle tube, can in blood since the syringe needle of its front end has attached blood of human body after using injecting It can be containing the bacterium or virus that can make one infectious disease, to avoid medical staff or other people from occurring to infect disease by needlestick injuries The situation of disease, medical staff generally can be by used syringe needle, then turns back in the needle guard of syringe.But it is turned back in syringe needle During needle guard, medical staff is easy because accidentally or situations such as tired spirit, and syringe needle is unexpectedly pierced into oneself and is taken It takes needle guard on hand, causes the situation of medical staff's inadvertent contamination disease.

In view of this, inventor spy specializes in many years of experience of the production of injection needle tube, manufacture and design with it, And then the present invention is researched and created, to overcome above-mentioned missing in the prior art.

Invention content

The main purpose of the present invention is to provide a kind of safety syringe structures, including：One syringe, have a front end, One rear end and a pipeline, the inner wall of the pipe are equipped with a stopper section adjacent to the position of the rear end, which is equipped at the position of front end First eck of one undergauge is equipped with first anchor ring towards the rear end between first eck and inner wall of the pipe；

One uppicker has a first end, a second end and the through-hole for being connected to the first end and second end, and the first end is at this Through-hole periphery is equipped with an annular groove, and annular groove inner wall is made to form opposite an inner ring surface and an outer ring surface, which abuts the through-hole, The outer ring surface is equipped with a thread segment, which is equipped with one second eck in the second end, between second eck and through-hole wall Equipped with one towards the first end the second anchor ring, which is slidably installed in the pipeline, and the first end is made to recline the syringe first Anchor ring makes the first anchor ring stop that the uppicker removes the pipeline by first eck, and second end is towards the back end of syringe；

One valve plug set is set in the uppicker second end, as the uppicker is slidably installed in the pipeline so that the valve plug is sleeved on this Watertightness is generated between uppicker second end and inner wall of the pipe；

One syringe needle, the injection needle with a fixing sleeve and the connection fixing sleeve, which is internally provided with a sets of holes, interior with this Anchor ring phase fitting, which is connected to the injection needle, and is equipped with a flange in the fixing sleeve outer wall, is screwed with the thread segment；With And

One push rod is slidably installed in the pipeline, which extends to form a pointed nose, and configures a cock body, makes the cock body court To the uppicker second end, and pointed nose is threaded through toward the second eck of uppicker direction other than the cock body.

By above-mentioned, which can be such that pointed nose is inserted into and the snapping receipts with the push rod migration syringe front end Second eck of needle device, the pointed nose can also make pointed nose pass through the uppicker band with the push rod migration back end of syringe It moves the syringe needle to move into the pipeline, while the stopper section interferes the uppicker to remove the pipeline by the back end of syringe.Accordingly, you can It is easy and certainly used syringe needle is stored, to promote the safety after needle cylinder injection, improve existing syringe needle It is easy to stab other people situation.

Safety syringe structure from the above, the uppicker second end outer wall are equipped with an annular caulking groove, the valve plug set It is embedded in the annular caulking groove.

Safety syringe structure from the above, the position which is located at the syringe front end can interfere equipped with one The mobile interference part of valve plug set, the interference part are any of which in convex grain, fin and bulge loop.

Safety syringe structure from the above, the push rod one end extend to form the tip by a tender constitution undergauge section Portion, when the push rod drives the cock body to remove the pipeline by the back end of syringe, can fracture the tender constitution undergauge section, make the uppicker With needle container in the pipeline.

Safety syringe structure from the above, the push rod, tender constitution undergauge section and pointed nose are integrally formed.

Safety syringe structure from the above, the pointed nose be equipped with towards the cock body a barb, can snapping should Second anchor ring.

Safety syringe structure from the above, the pointed nose can be set as arrow form.

Safety syringe structure from the above, the second eck inner wall are equipped with multiple past second eck centers and extend Thin slice so that these thin slices surround a medium pore in the second eck center, and a rill is formed between each thin slice.

Safety syringe structure from the above, second eck can be from the second ends toward the first end undergauge, this Two ends are connected to the second eck by a ring inclined-plane.

Safety syringe structure from the above, the stopper section are any of which in convex grain, fin and bulge loop, should Cock body, which is equipped with one, can be fitted into the recess portion of the stopper section.

Beneficial effects of the present invention are：Can will the syringe needle of syringe front end take in syringe in, avoid needlestick injuries other people, with Promote safety.

Description of the drawings

Fig. 1 is the stereogram of present pre-ferred embodiments；

Fig. 2 is the stereogram exploded view of Fig. 1；

Fig. 3 is the cut-away view of Fig. 1；

Fig. 4 is the partial enlargement cut-away view of Fig. 3；

Fig. 5 is the amplification stereogram of the uppicker of Fig. 2；

Fig. 6 is the cut-away view of the use state of Fig. 3；

Fig. 7 is the cut-away view of the another use state of Fig. 6；

Fig. 8 is the cut-away view of the another use state of Fig. 7；

Fig. 9 is the cut-away view of the another use state of Fig. 8.

Reference sign

1 syringe

11 front ends

12 rear ends

13 pipelines

131 interference parts

14 stopper sections

15 first ecks

151 first anchor rings

2 uppickers

21 first ends

22 second ends

221 annular caulking grooves

23 through-holes

24 annular grooves

241 inner ring surfaces

242 outer ring surfaces

243 thread segments

25 second ecks

251 ring inclined-planes

252 second anchor rings

253 thin slices

254 medium pores

255 rills

3 syringe needles

31 fixing sleeves

311 sets of holes

312 flanges

32 injection needles

4 push rods

41 pointed noses

412 barbs

413 tender constitution undergauge sections

42 pushing and pressing parts

5 cock bodys

51 recess portions

6 valve plug sets.

Specific implementation mode

Clearly and fully to disclose the present invention, and the legend enumerated and preferably implemented is given, embodiments thereof is described in detail It is such as following：

It please refers to Fig.1 to Fig. 5, is the attached drawing of embodiment of the present invention, by the high-safety injection tube of the above-mentioned description of the drawings present invention Structure, including a syringe 1, a uppicker 2, a syringe needle 3, a push rod 4 and valve plug set 6.The both ends of the syringe 1 are respectively provided with one Front end 11, a rear end 12 and it is connected to the front end 11 of the syringe 1 and a pipeline 13 of rear end 12,13 inner wall of pipeline is adjacent to the syringe The position of 1 rear end 12 is equipped with a stopper section 14, which can be convex grain, fin or bulge loop, and the pipeline 13 is before the syringe 1 The position at end 11 is equipped with the first eck 15 of a undergauge, and one first anchor ring is equipped between 13 inner wall of first eck 15 and pipeline 151, towards 1 rear end 12 of syringe.

The both ends of the uppicker 2 are respectively provided with a first end 21, a second end 22 and the first end 21 for being connected to the uppicker 2 With a through-hole 23 of second end 22, which is equipped with an annular groove 24 in 23 periphery of through-hole, makes 24 inner wall of annular groove 241 and one outer ring surface 242 of a corresponding inner ring surface is formed, which abuts the through-hole 23, which is equipped with One thread segment 243；The through-hole 23 is equipped with one second eck 25 in 2 second end 22 of uppicker, which can be by the receipts 2 second end 22 of needle device is toward the 21 direction undergauge of first end, and 2 second end 22 of uppicker passes through a ring inclined-plane 251 connection the Two ecks 25；One second anchor ring 252 is equipped between 23 inner wall of second eck 25 and through-hole, towards 2 first end 21 of uppicker. The uppicker 2 is slidably installed in 1 pipeline 13 of syringe, and 2 first end 21 of uppicker is made to stick on 1 first anchor ring 151 of syringe, 1 first anchor ring 151 of syringe is enable to stop that the uppicker 2 removes the pipeline 13, and uppicker 2 the by first eck 15 Two ends 22 are towards 1 rear end 12 of syringe, not closely sealed 1 pipeline of syringe, 13 inner wall that reclines of 2 outer wall of uppicker.

2 second end of uppicker, 22 outer wall is equipped with an annular caulking groove 221, and valve plug set 6 is embedded in the annular caulking groove 221 It is interior, and valve plug covers 6 as the uppicker 2 is slidably installed in 1 pipeline 13 of syringe so that the closely sealed syringes 1 pipe that reclines of valve plug set 6 13 inner wall of road makes valve plug set 6 generate watertightness between 13 inner wall of 2 second end of uppicker, 22 outer wall and 1 pipeline of syringe, prevents Medicament is leaked by the first eck 15 of 1 pipeline 13 of syringe and is gone out.

The syringe needle 3 has a fixing sleeve 31 and connects an injection needle 32 of the fixing sleeve 31, which is internally provided with One sets of holes 311, can be linked on the inner ring surface 241 of the uppicker 2, and the sets of holes 311 are connected to the injection needle 32；Also, 31 outer wall of fixing sleeve is equipped with a flange 312, which screws togather the thread segment 243 of the uppicker 2 by the flange 312.

The push rod 4 can be slidably installed in the pipeline 13, which extends to form a pointed nose 41, and configures a silicon Glue or the cock body of rubber system 5 make the cock body 5 towards 2 second end 22 of uppicker, and pointed nose 41 is toward 2 second neck of uppicker 25 (or ring inclined-plane 251) directions of mouth are threaded through other than the cock body 5 so that pointed nose 41 is emerging in other than cock body 5；The pointed nose 41 It can be set as arrow form, and pointed nose 41 is equipped with the barb 412 towards the cock body 5, be capable of the of snapping second eck 25 Two anchor rings 252；5 periphery of cock body is equipped with a recess portion 51, can be fitted into the stopper section 14 of the syringe 1, and pipe is removed to brake cock body 5 Road 13.4 other end of push rod is equipped with one for the pushing and pressing part 42 of personnel's operation.

Referring to Fig. 6, when personnel operate the push rod 4 and drive cock body 5 along 13 migration 1 front end 11 of syringe of pipeline, it should Cock body 5 can be pushed away the medicament in pipeline 13 by the injection needle 32 of the second eck 25 of the uppicker 2, through-hole 23 and syringe needle 3 It send into extraneous or human vas.Referring to Fig. 7, when medicament injection finishes in syringe 1, which can push away with this 4 migration of bar, 1 front end 11 of syringe makes pointed nose 41 be inserted into 2 second eck 25 of uppicker by the ring inclined-plane 251 so that should The barb 412 of pointed nose 41 is snapping onto after the second eck 25 on second anchor ring 252.

Referring to Fig. 8, when personnel operate the push rod 4 and drive cock body 5 along 13 migration 1 rear end 12 of syringe of pipeline, it should Pointed nose 41 can make pointed nose 41 with barb 412 toward 1 rear end of syringe, 12 direction with 4 migration of push rod, 1 rear end 12 of syringe Push the second anchor ring 252 of uppicker 2 so that pointed nose 41 drives syringe needle 3 (fixing sleeve 31, the injection needle by the uppicker 2 32) it moves into the pipeline 13.Referring to Fig. 9, when cock body 5 moves to 1 rear end 12 of syringe, the stopper section 14 of the pipeline 13 can be to this 2 second end 22 of uppicker generates interference effect, and the pipeline 13 is removed by 1 rear end 12 of syringe to brake the uppicker 2.

Accordingly, you can certainly used syringe needle 3 is accommodated in inside syringe 1, after promoting the injection of syringe 1 Safety improves existing syringe needle and is easy to stab other people situation.Moreover, need to only operate 4 migration syringe of push rod, 1 rear end when use 12, you can complete to take in syringe needle 3 into the action of syringe 1, therefore operationally quite easy.

As shown in figure 4, in a feasible embodiment, which is located at the position of 1 front end 11 of syringe Equipped with an interference part 131, which can be convex grain, fin or bulge loop, and valve plug set 6 can be interfered past along pipeline 13 1 front end 11 of syringe or rear end 12 are moved, and then brake the uppicker 2.Especially the push rod 4 (or cock body 5) is operated in personnel to drive During making syringe needle 3 attract medicament to enter in 1 pipeline 13 of syringe by the external world, pointed nose 41 does not plant group also and is connected on narrowing at this time Second eck 25 of device 2, the interference part 131 can prevent valve plug set 6 and uppicker 2 from being moved toward 1 rear end 12 of syringe；Work as tip 41 plant group of portion is connected on the second eck 25 of uppicker 2, and drives the uppicker 2 and valve plug to cover 6 and moved toward 1 rear end 12 of syringe When, which can drive valve plug set 6 to overcome the frictional force of the interference part 131, and uppicker 2 and valve plug is made to cover 6 smoothly It is moved to 1 rear end 12 of syringe.

Please refer to Fig. 2, Fig. 8 and Fig. 9, in another feasible embodiment, which can be contracted by a tender constitution Diameter section 413 extends to form the pointed nose 41, the push rod 4, tender constitution undergauge section 413 and pointed nose 41 can by plastic material one at Type, structure are quite simplified.In this way, the pointed nose 41 (or tender constitution undergauge section 413) can without penetrate any object (such as： Cock body 5) in the case of, it is inserted directly into the second eck 25 of the uppicker 2；Due to material (silica gel or the rubber of the cock body 5 System) intensity, material (plastics) intensity of the pointed nose 41 and tender constitution undergauge section 413 is could possibly be higher than, if the pointed nose 41 is necessary Cock body 5 is first penetrated, is inserted into the second eck 25 of the uppicker 2, the pointed nose 41 is likely to result in and is not easy to penetrate cock body 5, or cause the tender constitution undergauge section 413 by the cock body 5 squeeze and be broken situation.It is apprehensible to be, the tender constitution undergauge section 413 have the characteristic easily snapped off, can when the push rod 4 drives the cock body 5 to remove the pipeline 13 by 1 rear end 12 of syringe Push rod 4 is laterally pulled toward syringe 1, you can quickly and easily fracture the tender constitution undergauge section 413, simply by the pointed nose 41 It is detached with push rod 4, the uppicker 2 and syringe needle 3 is made to be housed in the pipeline 13, easy to operate, the entirety for reducing the syringe 1 is long Degree, in favor of collecting, handling Biohazard Waste.

As shown in Figures 4 and 5, in another feasible embodiment, which is equipped with multiple toward second The thin slice 253 that 25 center of eck extends so that these thin slices 253 surround a medium pore 254 in 25 center of the second eck, each thin A rill 255 is formed between piece 253.As shown in Figure 6 to 8, when pointed nose 41 is inserted into the second eck 25 of the uppicker 2, Pointed nose 41 is set to be penetrated in through-hole 23 by medium pore 254, during which the pointed nose 41 can push against each thin slice 253 toward 23 side of through-hole To torsional deformation, each thin slice 253 is promoted closely to sandwich the pointed nose 41 and tender constitution undergauge section 413, and then strengthens the pointed nose 41 Plant group is connected on the stability of 2 second eck 25 of uppicker, and the pointed nose 41 and the second eck 25 is prevented to be detached from.

But described above, only presently preferred embodiments of the present invention, when cannot to limit the scope of patent protection of the present invention, All those skilled in the art the variation and modification that can obviously make, be regarded as not departing from the substantive content of the present invention.

Claims

1. a kind of safety syringe structure, which is characterized in that including：One syringe has a front end, a rear end and a pipeline, The inner wall of the pipe is equipped with a stopper section adjacent to the position of the rear end, which is equipped with the first neck of a undergauge at the position of front end Mouthful, first anchor ring towards the rear end is equipped between first eck and inner wall of the pipe；

One uppicker has a first end, a second end and the through-hole for being connected to the first end and second end, and the first end is at this Through-hole periphery is equipped with an annular groove, and annular groove inner wall is made to form opposite an inner ring surface and an outer ring surface, which abuts the through-hole, The outer ring surface is equipped with a thread segment, which is equipped with one second eck in the second end, between second eck and through-hole wall Equipped with one towards the first end the second anchor ring, which is slidably installed in the pipeline, and the first end is made to recline the syringe first Anchor ring makes the first anchor ring stop that the uppicker removes the pipeline by first eck, and second end is towards the one of the back end of syringe Valve plug set is set in the uppicker second end, as the uppicker is slidably installed in the pipeline so that the valve plug is sleeved on the uppicker Watertightness is generated between second end and inner wall of the pipe；

One push rod is slidably installed in the pipeline, which extends to form a pointed nose, and configures a cock body, makes the cock body court To the uppicker second end, and pointed nose is threaded through toward the second eck of uppicker direction other than the cock body, which can With the push rod migration syringe front end, pointed nose is set to be inserted into the second eck of the simultaneously snapping uppicker, which can also With the push rod migration back end of syringe, so that pointed nose is passed through the uppicker and the syringe needle is driven to move into the pipeline, the stopper section The uppicker is interfered to remove the pipeline by the back end of syringe.

2. safety syringe structure as described in claim 1, which is characterized in that the uppicker second end outer wall is equipped with a ring Shape caulking groove, the valve plug set are embedded in the annular caulking groove.

3. safety syringe structure as described in claim 1, which is characterized in that the inner wall of the pipe is located at the syringe front end Position is equipped with an interference part that valve plug set can be interfered mobile, which is any of which in convex grain, fin and bulge loop.

4. safety syringe structure as described in claim 1, which is characterized in that the push rod one end passes through a tender constitution undergauge section The pointed nose is extended to form, when the push rod drives the cock body to remove the pipeline by the back end of syringe, the tender constitution that can fracture contracting Diameter section makes the uppicker and needle container in the pipeline.

5. safety syringe structure as claimed in claim 4, which is characterized in that the push rod, tender constitution undergauge section and pointed nose It is integrally formed.

6. safety syringe structure as described in claim 1, which is characterized in that the pointed nose is equipped with towards the one of the cock body Barb, being capable of snapping second anchor ring.

7. safety syringe structure as described in claim 1, which is characterized in that the pointed nose is set as arrow form.

8. safety syringe structure as described in claim 1, which is characterized in that the second eck inner wall is equipped with multiple past The thin slice that second eck center extends so that these thin slices surround a medium pore in the second eck center, shape between each thin slice At a rill.

9. the safety syringe structure as described in claim 1 or 8, which is characterized in that second eck from the second end toward The first end undergauge, the second end are connected to the second eck by a ring inclined-plane.

10. safety syringe structure as described in claim 1, which is characterized in that the stopper section is convex grain, fin and bulge loop In any of which, which is equipped with a recess portion that can be fitted into the stopper section.