CN200945295Y - Safe self-destruction syringe - Google Patents
Safe self-destruction syringe Download PDFInfo
- Publication number
- CN200945295Y CN200945295Y CN 200620045457 CN200620045457U CN200945295Y CN 200945295 Y CN200945295 Y CN 200945295Y CN 200620045457 CN200620045457 CN 200620045457 CN 200620045457 U CN200620045457 U CN 200620045457U CN 200945295 Y CN200945295 Y CN 200945295Y
- Authority
- CN
- China
- Prior art keywords
- needle stand
- breach
- neilsbed
- safe self
- syringe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000002347 injection Methods 0.000 abstract description 5
- 239000007924 injection Substances 0.000 abstract description 5
- 238000001746 injection moulding Methods 0.000 abstract description 2
- 229920003023 plastic Polymers 0.000 abstract description 2
- 239000004033 plastic Substances 0.000 abstract description 2
- 239000003814 drug Substances 0.000 abstract 1
- 229940079593 drug Drugs 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 208000030507 AIDS Diseases 0.000 description 2
- 241001149930 Protura <class> Species 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 230000000474 nursing effect Effects 0.000 description 2
- 238000011109 contamination Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000002672 hepatitis B Diseases 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012536 packaging technology Methods 0.000 description 1
- 208000008128 pulmonary tuberculosis Diseases 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 208000011580 syndromic disease Diseases 0.000 description 1
- 201000008827 tuberculosis Diseases 0.000 description 1
Images
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a safe self-destruction syringe, which is characterized in that: an upper neilsbed with a needle pipe arranged on the upper part is arranged in the tube neck on the upper end of the cover, a lower neilsbed is in socket joint with the lower end of the lower neilsbed, the core rob body has a gap near the top, an elastic haul back piece is arranged in the gap, one end of the elastic haul back piece is in fixed connection with the inner wall of the gap, and the other end of the elastic haul back piece slightly extrudes over the gap. The utility model has rational structure, novel design concept, simple operation, convenient product injection molding, and convenient assembling process. Other parts except the needle tube are all plastic pieces, the drug residual quantity is low after completing injection, the resistance is less than 10 newton when the elastic haul back piece on the front end of the core rod and the lower neilsbed are occluded, while separating force bigger than 25 newton can be generated after the both are occluded, enough to successfully haul the lower neilsbed in the external sleeve, with high working stability of products.
Description
Technical field:
This utility model relates to the technical field of medical device, a kind of specifically safe self-breaking syringe, particularly its mechanical connecting structure.
Background technology:
Overwhelming majority hospital in the whole world all uses disposable syringe now, it can effectively avoid the relatively poor infection between the patient in clinical use, stop the malpractice of initiation because the medical appliance sterilization is thorough, but medical and nursing work person still can be taken place because misoperation in its actual use, the inadvertent contamination accident that causes, and then infect as: AISD, hepatitis B, pulmonary tuberculosis (TB), the disease that blood sexuality such as acquired immune deficiency syndrome (AIDS) are dyed, other has some illegal retailers to incite somebody to action, and used disposable syringe reclaims reuse by back door, cause a lot of patient an innocents person to infect the blood sexuality and dye disease, for fear of the generation of above-mentioned incident, various safety types have appearred from syringe or self-destruction syringe on the market now.
Documents one, number of patent application: 200410039572.7, publication number: CN1654094, patentee: Wang Xiping, " a kind of safety injector " disclosed in this case, it includes: sliding sleeve, syringe needle, syringe, piston, spring and the push rod that places in the syringe, the syringe front end is provided with a conehead that cooperates with described syringe needle and dress pin screw thread, syringe needle is installed on the conehead of described syringe front end by described dress pin screw thread, described push rod front end has the union joint that cooperates with described piston, it is characterized in that: described sliding sleeve is set in outside the described syringe slidably, and the sliding sleeve rear portion is provided with two elastic extension plates, respectively is provided with a connection piece on the described elastic extension plate; The sliding sleeve middle part offers a short groove at least, and described short groove place is provided with two elasticity clamps; The sliding sleeve front end is a necking down, and the necking down front end has a baffle plate, and described baffle plate center is provided with a hole that syringe needle is stretched out; The front end of described syringe is provided with a perpendicular end surface, and the cylindrical of syringe is provided with the elongated slot that cooperates with described elasticity clamp, and described elongated slot front portion is provided with a limiting plate, but described limiting plate holding is between described two elasticity clamps; Described syringe outer wall respectively is provided with a junction in the connector corresponding position with the elastic extension plate, and described connecting portion can be connected with the connector on the described elastic extension plate; Described push rod is provided with a sliding sleeve unlocking board in the corresponding position with described sliding sleeve elastic extension plate, at least one is the inclined-plane for the opposite face of described sliding sleeve unlocking board and described sliding sleeve elastic extension plate, when the sliding sleeve unlocking board contacted with sliding sleeve elastic extension plate, the effect low sleeve unlocking board on the inclined-plane can make sliding sleeve elastic extension plate open to both sides slightly.Described spring housing is located at outer the putting of the dress pin screw thread of described syringe, and is compressed between the perpendicular end surface of the baffle plate of described sliding sleeve and described syringe.
Documents two, number of patent application: 200420109618.3, publication number: CN2744359, patentee: Jiang Bo, " a kind of self-destruction syringe " disclosed in this case, it comprises syringe, piston, push rod, is provided with obstruction at the front end of piston, is shaped on agnail in the obstruction, the inwall of the injection orifice of syringe front end is shaped on corresponding agnail groove, obstruction patches syndeton or thin-walled syndeton with the connecting portion employing of piston, and push rod is made easily broken type, adopts some syndeton or thin-walled syndeton.
Above-mentioned patent is a prior art, but still there is weak point, though for example safe syringe can prevent medical and nursing work person because misoperation injures oneself, but syringe still can recycling after use abandons, though and self-destruction syringe can arrive the effect of self-destruction when injection is finished, outside syringe needle point still is exposed to, cause malpractice easily, in sum, still need prior art is further improved, make syringe have the safety self-destruct double effects.
Summary of the invention:
The purpose of this utility model is to provide a kind of safe self-breaking syringe, and it can overcome the existing single shortcoming of syringe function.
To achieve these goals, technical scheme of the present invention is: a kind of safe self-breaking syringe, and it mainly comprises overcoat, needle tubing, is provided with core bar in the overcoat, the core bar place is socketed with plug, it is characterized in that: be provided with needle stand in the tube neck of described outer set upper side, last needle stand upper end is provided with needle tubing, and last needle stand lower end is socketed with down needle stand, the core bar body of rod has a breach near top end, be provided with the elasticity part of pulling back in the breach, a pull back end of part of elasticity is fixedlyed connected with the breach inwall, and its other end slightly protrudes in breach.
The utility model discloses a kind of safe self-breaking syringe, it is rational in infrastructure, and the design concept novelty is simple to operate, the product injection moulding is convenient, packaging technology is convenient, and other parts are working of plastics except that needle tubing, and the medicinal liquid residual quantity was low after injection was finished, resistance was less than 10 newton when core bar front end elasticity was pulled back part and following needle stand interlock, produce greater than the separating force more than 25 newton and understand after both interlocks, can be so that following needle stand be drawn in the overcoat product job stability height smoothly.
Description of drawings:
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is a needle stand structural representation on this utility model.
Fig. 3 is a needle stand structural representation under this utility model.
Fig. 4 is this utility model core bar structure sketch map.
Fig. 5 is this utility model jacket structure sketch map.
View when Fig. 6 finishes for this utility model injection.
View when Fig. 7 is this utility model safety self-destruct.
The specific embodiment:
With reference to the accompanying drawings, this utility model further is described
This utility model is a kind of safe self-breaking syringe, as shown in fig. 1, it mainly comprises overcoat 1, needle tubing 4, be provided with core bar 2 in the overcoat 1, core bar 2 places are socketed with plug 3, it is characterized in that: be provided with needle stand 5 in the tube neck of described overcoat 1 upper end, last needle stand 5 upper ends are provided with needle tubing 4, last needle stand 5 lower ends are socketed with down needle stand 6, last needle stand and following needle stand are combined the needle holder that constitutes syringe, core bar 2 bodies of rod have a breach 7 near top end, be provided with the elasticity part 8 of pulling back in the breach 7, a pull back end of part 8 of elasticity is fixedlyed connected with breach 7 inwalls, its other end slightly protrudes in breach 7, elasticity pull back part 8 except with the fixed connection place of breach 7 inwalls, all there are the gap in other position and breach 7 inwalls, the outer wall of last needle stand 5 bottoms laterally is provided with 1-6 circle bulge loop 9, following needle stand 6 upper inside wall are provided with 1-6 ring annular groove 10, its bulge loop 9 with last needle stand is corresponding, the internal diameter at following needle stand lower ending opening place is less than its top internal diameter, following needle stand lower ending opening place forms ring body 11, and ring body 11 tops are provided with the annular groove 12 of pulling back.
In the specific implementation, promote core bar forward, when elasticity is pulled back the part sidewall when touching down the needle stand bottom, because the internal diameter at following needle stand lower ending opening place is less than its top internal diameter, so the core bar front end is easy to push ahead, add elasticity pull back part remove in the fixed connection place of breach inwall, all there are the gap in other position and breach inwall, the elasticity part one end lateral wall of pulling back slightly protrudes in breach, so elasticity is pulled back part when moving up, its lateral wall can be subjected to displacement by pressurized to the inside, as shown in Figure 6, having the pull back core bar end of part of elasticity enters in the needle stand fully, the pull back pressure of part sidewall of elasticity disappears, the elasticity part of pulling back returns to initial condition again, be that the elasticity part one end lateral wall of pulling back slightly protrudes in breach, because needle stand lower ending opening place forms ring body down, ring body top is provided with the annular groove of pulling back, this moment is the pulling core bar downwards, the pull back part of the outstanding breach of part of elasticity can firmly snap in the groove of pulling back, firmly spur core bar more slightly backward, whole needle holder will be taken advantage of a situation and be drawn in the overcoat, as shown in Figure 7, in needle holder entered overcoat, the spacing power of its outer wall disappeared, can be under elasticity is pulled back the effect of the outside restoring force of part to lopsidedness, at this moment, promote core bar forward, the needle tubing top of inclination touches the inwall of outer sleeve neck bottom, promote core bar more forward, the stressed flexural deformation of needle tubing utilizes the line of weakness at core bar place that core bar is fractureed at last, reaches the purpose of syringe overall safety self-destruction.
Claims (5)
1, a kind of safe self-breaking syringe, it mainly comprises overcoat (1), needle tubing (4), be provided with core bar (2) in the overcoat (1), core bar (2) locates to be socketed with plug (3), it is characterized in that: be provided with needle stand (5) in the tube neck of described overcoat (1) upper end, last needle stand (5) upper end is provided with needle tubing (4), last needle stand (5) lower end is socketed with down needle stand (6), core bar (2) body of rod has a breach (7) near top end, be provided with the elasticity part (8) of pulling back in the breach (7), a pull back end of part (8) of elasticity is fixedlyed connected with breach (7) inwall, and its other end slightly protrudes in breach (7).
2, according to a kind of safe self-breaking syringe described in the claim 1, it is characterized in that: elasticity pull back part (8) except with the fixed connection place of breach (7) inwall, all there is the gap in other position and breach (7) inwall.
3, according to a kind of safe self-breaking syringe described in the claim 1, it is characterized in that: the outer wall of going up needle stand (5) bottom laterally is provided with 1-6 circle bulge loop (9).
4, according to a kind of safe self-breaking syringe described in the claim 1, it is characterized in that: following needle stand (6) upper inside wall is provided with 1-6 ring annular groove (10), and its bulge loop (9) with last needle stand is corresponding.
5, according to a kind of safe self-breaking syringe described in the claim 2, it is characterized in that: the internal diameter at following needle stand lower ending opening place is less than its top internal diameter, and following needle stand lower ending opening place forms ring body (11), and ring body (11) top is provided with the annular groove (12) of pulling back.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620045457 CN200945295Y (en) | 2006-09-01 | 2006-09-01 | Safe self-destruction syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620045457 CN200945295Y (en) | 2006-09-01 | 2006-09-01 | Safe self-destruction syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200945295Y true CN200945295Y (en) | 2007-09-12 |
Family
ID=38732356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620045457 Expired - Fee Related CN200945295Y (en) | 2006-09-01 | 2006-09-01 | Safe self-destruction syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200945295Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009111930A1 (en) * | 2008-03-10 | 2009-09-17 | 创维有限公司 | Safety injector |
| CN101411905B (en) * | 2007-10-16 | 2012-05-30 | 上海顶尖堂生化科技有限公司 | Needle head for safety syringe |
| WO2013127259A1 (en) * | 2012-02-29 | 2013-09-06 | Wang Zuyang | A needle retractable-type replaceable-needle safe self-destructing syringe |
| WO2013127261A1 (en) * | 2012-02-29 | 2013-09-06 | Wang Zuyang | Needle base structure for use in safe self-destructing syringe |
| CN103816590A (en) * | 2013-11-26 | 2014-05-28 | 江苏亿乐医疗用品有限公司 | Needle base structure for safety injector |
| WO2020011132A1 (en) * | 2018-07-09 | 2020-01-16 | 先健科技(深圳)有限公司 | Lumen stent conveyor |
-
2006
- 2006-09-01 CN CN 200620045457 patent/CN200945295Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101411905B (en) * | 2007-10-16 | 2012-05-30 | 上海顶尖堂生化科技有限公司 | Needle head for safety syringe |
| WO2009111930A1 (en) * | 2008-03-10 | 2009-09-17 | 创维有限公司 | Safety injector |
| WO2013127259A1 (en) * | 2012-02-29 | 2013-09-06 | Wang Zuyang | A needle retractable-type replaceable-needle safe self-destructing syringe |
| WO2013127261A1 (en) * | 2012-02-29 | 2013-09-06 | Wang Zuyang | Needle base structure for use in safe self-destructing syringe |
| CN103816590A (en) * | 2013-11-26 | 2014-05-28 | 江苏亿乐医疗用品有限公司 | Needle base structure for safety injector |
| WO2020011132A1 (en) * | 2018-07-09 | 2020-01-16 | 先健科技(深圳)有限公司 | Lumen stent conveyor |
| CN110693635A (en) * | 2018-07-09 | 2020-01-17 | 先健科技(深圳)有限公司 | Lumen stent conveyor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI DINGJIANTANG BIOCHEMISTRY SCIENCE CO., L Free format text: FORMER OWNER: SHEN HAIZHONG Effective date: 20080104 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20080104 Address after: Room 1913, block B, No. 100, Zunyi Road, Shanghai, 200135 Patentee after: Shanghai Biotop Technology Co., Ltd. Address before: Room 9, No. 597, Lane 208, Moutai Road, Shanghai, Changning District, 200336 Patentee before: Shen Haizhong |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070912 Termination date: 20120901 |