CN105664303A - Safe type insulin syringe - Google Patents
Safe type insulin syringe Download PDFInfo
- Publication number
- CN105664303A CN105664303A CN201410652274.9A CN201410652274A CN105664303A CN 105664303 A CN105664303 A CN 105664303A CN 201410652274 A CN201410652274 A CN 201410652274A CN 105664303 A CN105664303 A CN 105664303A
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- entry needle
- syringe
- cylinder type
- base
- needle
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a safe type insulin syringe, which comprises a syringe sleeve, a core rod, a piston, a syringe needle and a syringe needle safety sleeve, wherein the syringe sleeve is in vertical arrangement; the core rod is inserted in the syringe sleeve from an opening formed in the lower end of the syringe outer sleeve; the piston is arranged on the top end of the core rod and is positioned in the syringe sleeve; the bottom end of the syringe needle is bonded onto the top end of the syringe sleeve; the syringe needle safety sleeve is connected onto the syringe needle in a sleeving way; the safe type insulin syringe also comprises a lateral shielding sheath; the lateral shielding sheath comprises a base and a sheath body; and the sheath body and the base are integrally formed through injection molding. The safe type insulin syringe has the advantages that the structure is simple; the operation is convenient; the destroy effect on the used syringe needle is obvious; and the repeated use of the syringe can be prevented.
Description
Technical field
The present invention relates to a kind of safety type insulin syringe, belong to technical field of medical instruments.
Background technology
Existing safety type insulin syringe is all that on syringe jacket, to increase a shell mechanism be entry needle againCondom is realized the defencive function of entry needle, prevents from injecting pinprick people.
Such product design generally need to increase 3-5 parts and could realize on existing insulin syringeTo the defencive function of entry needle. Accessory has also improved the difficulty of product processing and the cost of product processing when increasing,Be unfavorable for large batch of popularization and use.
For avoiding cross-infection, syringe is all generally disposable syringe, only use once, but such is used forThe entry needle condom of protection entry needle adopts telescopic design conventionally, and such design has reversible after useProperty, i.e. used entry needle, puts after entry needle condom again, can get back to reset condition, has so very muchMay be reused infringement consumer health.
Summary of the invention
The object of the invention is to overcome the defect of prior art, provide a kind of safety type insulin syringe, structure letterSingle, easy to operate, obvious to the type effect of ruining of used entry needle, prevent that syringe is reused.
The technical scheme that realizes above-mentioned purpose is: a kind of safety type insulin syringe, comprises syringe jacket, coreBar, piston, entry needle and entry needle condom, described syringe jacket vertically arranges, and described core bar is from described noteThe lower ending opening of emitter overcoat is inserted in described syringe jacket, and the top that described piston is arranged on described core bar alsoBe positioned at described syringe jacket, the bottom of described entry needle is bonded in the top of described syringe jacket, described notePenetrate pin condom and be socketed on described entry needle, described safety type insulin syringe also comprises side shield sheath, instituteState side shield sheath and comprise pedestal and sheath body, wherein:
Described pedestal is made up of cylinder type base and the cylinder type boss being arranged on cylinder type base, described cylinder typeThe diameter of base is greater than the diameter of described cylinder type boss, and described cylinder type base and cylinder type boss coaxially arrangeAnd integrated injection molding, described cylinder type base sheath is connected on the top of the outer peripheral face of described syringe jacket;
The bottom of described entry needle condom is socketed in the neighboring of described cylinder type boss, and described entry needle safetyThe lower surface of cover contacts setting with the upper surface of described cylinder type base;
Described sheath body comprises base plate, and a note matching with described entry needle is set on the upper surface of described base platePenetrate pin buckling groove, the phase that a side of described base plate and the neighboring of the upper surface of described cylinder type base can turn down up and downConnect, when described sheath body is positioned at open position, expose described entry needle, described sheath body is positioned at entry needle to be protectedWhile protecting position, described entry needle is connected in described entry needle buckling groove;
One needle point screening glass, one end of described needle point screening glass and described entry needle are set in described entry needle buckling grooveThe internal face of one side channel wall of buckling groove is fixedly connected with, and the folder of the internal face of described needle point screening glass and this side channel wallAngle is 30 °-90 °, in the opposite side cell wall of the other end of described needle point screening glass and described entry needle buckling grooveThe distance of wall is 0.2mm-0.5mm;
Described sheath body and described pedestal integrated injection molding.
Above-mentioned a kind of safety type insulin syringe, wherein, the top of the outer peripheral face of described syringe jacket is uniformSome projections, uniform some and draw-in groove that described projection matches on the internal face of the barrel of described cylinder type base,Some described draw-in grooves are connected in some described projections correspondingly.
Above-mentioned a kind of safety type insulin syringe, wherein, the number of described projection is 4-8.
Above-mentioned a kind of safety type insulin syringe, wherein, the width of each described projection is 0.7mm-1.0mm,The height of each described projection is no more than 0.35mm.
Above-mentioned a kind of safety type insulin syringe, wherein, equal on the internal face of the barrel of described cylinder type bossThree locating slots of cloth.
Above-mentioned a kind of safety type insulin syringe, wherein, the upper surface of described cylinder type boss is than described injectionThe high 3mm-5mm in bottom of pin.
Above-mentioned a kind of safety type insulin syringe, wherein, the junction of described base plate and described cylinder type baseMiddle part offer a through hole, this through hole be shaped as ellipse or prismatic.
Above-mentioned a kind of safety type insulin syringe, wherein, the junction of described base plate and described cylinder type baseLower surface be inverted v-shaped groove, the angle of this inverted v-shaped groove is 45 °-60 °; The bottom land of this inverted v-shaped groove with described inThe distance of the upper surface of base plate is 0.5mm-1.0mm; The width of the bottom land of this inverted v-shaped groove is 0.2mm.
Above-mentioned a kind of safety type insulin syringe, wherein, the diameter of described entry needle condom and described cylinderThe equal diameters of type base.
Safety type insulin syringe of the present invention, beneficial effect is compared with prior art:
(1) product structure is simple, easy to operate, does not change existing production and uses flow process;
(2) obvious to the type effect of ruining of used entry needle, after used entry needle is protected by side shield sheath,Can make entry needle bending if user pushs side shield sheath by force aside, the profile of entry needle is obviously destroyed, noCan be reused.
Brief description of the drawings
Fig. 1 is the structure chart of safety type insulin syringe of the present invention;
Fig. 2 is the side view of Fig. 1;
Fig. 3 is that the A-A of Fig. 1 is to cutaway view;
Fig. 4 is the structure chart of syringe jacket in embodiment;
Fig. 5 is the partial enlarged drawing of B part in Fig. 3;
Fig. 6 is the front view of side shield sheath in embodiment;
Fig. 7 is the top view of side shield sheath in embodiment;
Fig. 8 is that the C-C of Fig. 7 is to cutaway view;
Fig. 9 is that the D-D of Fig. 7 is to cutaway view;
Figure 10 is the use state diagram in the time of entry needle protective position of safety type insulin syringe of the present invention.
Detailed description of the invention
In order to make those skilled in the art can understand better technical scheme of the present invention, below in conjunction with accompanying drawingIts detailed description of the invention is described in detail:
Refer to Fig. 1, Fig. 2, Fig. 3 and Fig. 5, most preferred embodiment of the present invention. a kind of safety type injection of insulinDevice, comprises syringe jacket 1, core bar 2, piston 3, entry needle 4, entry needle condom 5 and side shield sheath6。
Syringe jacket 1 vertically arranges, and core bar 2 is inserted in syringe from the lower ending opening of described syringe jacket 1In overcoat 1, piston 3 is arranged on the top of core bar 2 and is positioned at syringe jacket 1, and the bottom of entry needle 4 is stickyBe connected on the top of syringe jacket 1, entry needle condom 5 is socketed on described entry needle. Side shield sheath 6 wrapsDraw together pedestal 7 and sheath body 8, sheath body 7 and pedestal 8 integrated injection moldings.
Refer to Fig. 6 to Fig. 9, pedestal 7 is by cylinder type base 71 and be arranged on the cylinder on cylinder type base 71Type boss 72 forms, and the diameter of cylinder type base 71 is greater than the diameter of cylinder type boss 72, and cylinder type base71 and cylinder type boss 72 is coaxial arranges and integrated injection molding, cylinder type base 71 is socketed in syringe jacket 1The top of outer peripheral face. The bottom of entry needle condom 5 is socketed in the neighboring of cylinder type boss 72, and entry needleThe lower surface of condom 5 contacts setting with the upper surface of cylinder type base 71, the diameter of entry needle condom 5 and circleThe equal diameters of cartridge type base 71. The top of the outer peripheral face of syringe jacket 1 is uniform some protruding 11, cylinder typeUniform some and protruding 11 draw-in grooves that match 73 on the internal face of the barrel of base 71, some draw-in grooves 73 one by oneBe connected to accordingly on some protruding 11, pedestal 7 can not produce after fixing with syringe jacket 1 in this wayRaw displacement. The number of projection 11 is 4-8. Each protruding 11 width b1 is 0.7mm-1.0mm, each protrudingPlay 11 height h2 and be no more than 0.35mm.
The upper surface of cylinder type boss 72 is higher than the bottom of entry needle 4, and distance h 1 is between the two 3mm-5mm.Uniform three locating slots 74 on the internal face of the barrel of cylinder type boss 72, the bottom of entry needle 4 is through this circleCartridge type boss 72 is bonded in the top of syringe jacket 1.
Sheath body 8 comprises base plate 81, and an injection matching with entry needle 4 is set on the upper surface of base plate 81Pin buckling groove 82, a side of base plate 81 and being connected that the neighboring of the upper surface of cylinder type base 71 can turn down up and down,When sheath body 8 is positioned at open position, expose entry needle 4, when sheath body 8 is positioned at entry needle protective position (asFigure 10), entry needle 4 is connected in entry needle buckling groove 82.
Base plate 81 is offered a through hole 9 with the middle part of the junction of cylinder type base 71, and being shaped as of this through hole 9 is ellipseCircle or prismatic. Base plate 81 is inverted v-shaped groove 10, this inverted V-shaped with the lower surface of the junction of cylinder type base 71The angle of groove 10 is 45 °-60 °; The distance h 3 of the upper surface of the bottom land of this inverted v-shaped groove 10 and base plate 81 is0.5mm-1.0mm; The width b2 of the bottom land of this inverted v-shaped groove is 0.2mm.
Entry needle buckling groove 82 is interior arranges a needle point screening glass 83, one end of needle point screening glass 83 and entry needle clampingThe internal face of one side channel wall of groove 82 is fixedly connected with, and the angle of the internal face of needle point screening glass 83 and this side channel wallα is 30 °-90 °, the inwall of the opposite side cell wall of the other end of needle point screening glass 83 and entry needle buckling groove 82The distance b 3 of face is 0.2mm-0.5mm.
Safety type insulin syringe of the present invention, in installation process, entry needle condom 5 is pre-assembled to sideAfter on shield sheath 6, then this global facility is assembled on the syringe jacket 1 that entry needle 4 bonds,Again piston 3 and core bar 2 are packed into after syringe jacket 1 successively, after installation, base plate 81 and syringe jacketThe angle of 1 center line is greater than 35 °, in use, takes off entry needle condom 5 and gets final product normal injection, carries outWhen injection, sheath body 8 is positioned at open position, and base plate 81 is 90 with the angle of the center line of syringe jacket 1°, after having injected, refer to Figure 10, base plate 81 is upwards turned down to entry needle 4 and is connected to entry needle clampingIn groove 82, now, sheath body 8 is positioned at entry needle protective position, base plate 81 extended line and syringe upwardsThe angle β of the center line of overcoat 1 is 5 °-10 °, and used entry needle 4 is protected by side shield sheath 6,So both can prevent that entry needle 4 from leaking outside accidentally injures other people, if user pushs side shield sheath 6 by force aside, due toThe interception of the needle point screening glass 83 in entry needle buckling groove 82, can make entry needle 4 bend, the profile of entry needleObviously destroyed, ensured that safety type insulin syringe can only disposablely use, and can not be reused.
Those of ordinary skill in the art will be appreciated that, above embodiment is only for this is describedBright, and be not used as limitation of the invention, as long as within the scope of connotation of the present invention, to the aboveVariation, the modification of embodiment all will drop within the scope of claims of the present invention.
Claims (9)
1. a safety type insulin syringe, comprises syringe jacket, core bar, piston, entry needle and entry needleCondom, described syringe jacket vertically arranges, and described core bar is inserted in from the lower ending opening of described syringe jacketIn described syringe jacket, described piston is arranged on the top of described core bar and is positioned at described syringe jacket, instituteThe bottom of stating entry needle is bonded in the top of described syringe jacket, and described entry needle condom is socketed in described injectionOn pin, it is characterized in that, described safety type insulin syringe also comprises side shield sheath, described side shield sheathComprise pedestal and sheath body, wherein:
Described pedestal is made up of cylinder type base and the cylinder type boss being arranged on cylinder type base, described cylinder typeThe diameter of base is greater than the diameter of described cylinder type boss, and described cylinder type base and cylinder type boss coaxially arrangeAnd integrated injection molding, described cylinder type base sheath is connected on the top of the outer peripheral face of described syringe jacket;
The bottom of described entry needle condom is socketed in the neighboring of described cylinder type boss, and described entry needle safetyThe lower surface of cover contacts setting with the upper surface of described cylinder type base;
Described sheath body comprises base plate, and a note matching with described entry needle is set on the upper surface of described base platePenetrate pin buckling groove, the phase that a side of described base plate and the neighboring of the upper surface of described cylinder type base can turn down up and downConnect, when described sheath body is positioned at open position, expose described entry needle, described sheath body is positioned at entry needle to be protectedWhile protecting position, described entry needle is connected in described entry needle buckling groove;
One needle point screening glass, one end of described needle point screening glass and described entry needle are set in described entry needle buckling grooveThe internal face of one side channel wall of buckling groove is fixedly connected with, and the folder of the internal face of described needle point screening glass and this side channel wallAngle is 30 °-90 °, in the opposite side cell wall of the other end of described needle point screening glass and described entry needle buckling grooveThe distance of wall is 0.2mm-0.5mm;
Described sheath body and described pedestal integrated injection molding.
2. a kind of safety type insulin syringe according to claim 1, is characterized in that described syringeThe uniform some projections in top of the outer peripheral face of overcoat, on the internal face of the barrel of described cylinder type base uniform some withThe draw-in groove that described projection matches, some described draw-in grooves are connected in some described projections correspondingly.
3. a kind of safety type insulin syringe according to claim 2, is characterized in that, described projectionNumber is 4-8.
4. a kind of safety type insulin syringe according to claim 2, is characterized in that, each described protrudingThe width rising is 0.7mm-1.0mm, and the height of each described projection is no more than 0.35mm.
5. a kind of safety type insulin syringe according to claim 2, is characterized in that described cylinder typeUniform three locating slots on the internal face of the barrel of boss.
6. a kind of safety type insulin syringe according to claim 2, is characterized in that described cylinder typeThe upper surface of boss is than the high 3mm-5mm in the bottom of described entry needle.
7. a kind of safety type insulin syringe according to claim 1, is characterized in that, described base plate withA through hole is offered at the middle part of the junction of described cylinder type base, this through hole be shaped as ellipse or prismatic.
8. a kind of safety type insulin syringe according to claim 1, is characterized in that, described base plate withThe lower surface of the junction of described cylinder type base is inverted v-shaped groove, and the angle of this inverted v-shaped groove is 45 °-60 °;The distance of the bottom land of this inverted v-shaped groove and the upper surface of described base plate is 0.5mm-1.0mm; The bottom land of this inverted v-shaped grooveWidth be 0.2mm.
9. a kind of safety type insulin syringe according to claim 1, is characterized in that described entry needleThe equal diameters of the diameter of condom and described cylinder type base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410652274.9A CN105664303A (en) | 2014-11-17 | 2014-11-17 | Safe type insulin syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410652274.9A CN105664303A (en) | 2014-11-17 | 2014-11-17 | Safe type insulin syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105664303A true CN105664303A (en) | 2016-06-15 |
Family
ID=56944499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410652274.9A Pending CN105664303A (en) | 2014-11-17 | 2014-11-17 | Safe type insulin syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105664303A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106390238A (en) * | 2016-11-02 | 2017-02-15 | 扬州美德莱医疗用品有限公司 | Disposable safe insulin syringe |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5681295A (en) * | 1996-07-03 | 1997-10-28 | Becton, Dickinson And Company | Needle shield assembly having a single-use cannula lock |
| WO2004110517A2 (en) * | 2003-05-28 | 2004-12-23 | Terumo Medical Corporation | Safety needle assembly |
| CN200998484Y (en) * | 2007-01-31 | 2008-01-02 | 浙江康德莱医疗器械股份有限公司 | Safe protective cover for injection needle |
| CN103908710A (en) * | 2014-03-26 | 2014-07-09 | 温州市贝普科技有限公司 | Safety syringe |
| CN204275192U (en) * | 2014-11-17 | 2015-04-22 | 上海康德莱企业发展集团股份有限公司 | A kind of safety insulin syringe |
-
2014
- 2014-11-17 CN CN201410652274.9A patent/CN105664303A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5681295A (en) * | 1996-07-03 | 1997-10-28 | Becton, Dickinson And Company | Needle shield assembly having a single-use cannula lock |
| WO2004110517A2 (en) * | 2003-05-28 | 2004-12-23 | Terumo Medical Corporation | Safety needle assembly |
| CN200998484Y (en) * | 2007-01-31 | 2008-01-02 | 浙江康德莱医疗器械股份有限公司 | Safe protective cover for injection needle |
| CN103908710A (en) * | 2014-03-26 | 2014-07-09 | 温州市贝普科技有限公司 | Safety syringe |
| CN204275192U (en) * | 2014-11-17 | 2015-04-22 | 上海康德莱企业发展集团股份有限公司 | A kind of safety insulin syringe |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106390238A (en) * | 2016-11-02 | 2017-02-15 | 扬州美德莱医疗用品有限公司 | Disposable safe insulin syringe |
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Application publication date: 20160615 |
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| RJ01 | Rejection of invention patent application after publication |