CN101966127B - Safety syringe - Google Patents
Safety syringe Download PDFInfo
- Publication number
- CN101966127B CN101966127B CN 201010511111 CN201010511111A CN101966127B CN 101966127 B CN101966127 B CN 101966127B CN 201010511111 CN201010511111 CN 201010511111 CN 201010511111 A CN201010511111 A CN 201010511111A CN 101966127 B CN101966127 B CN 101966127B
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- hole
- joint
- circular hole
- syringe
- syringe body
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Abstract
The invention provides a Ruhr lock tooth tube joint for a safety syringe aiming at the defect that the syringe cannot be engaged with a transfusion pipeline in the prior art. The Ruhr lock tooth tube joint for the safety syringe has a hollow structure, the middle of the joint is partitioned by a partition board, a claw is arranged in the upper circular cavity of the upper end of the partition board, the center of the lower circular cavity of the lower end of the partition board is provided with a cone, the interior of the cone is provided with a hollow conical circular hole and a small circular hole, the hollow conical circular hole is communicated with the small circular hole, and the hollow conical circular hole penetrates the partition board and is communicated with the upper circular cavity. The upper circular cavity is connected and matched with the syringe. The hollow conical circular hole and the small circular hole penetrate the top plane of the cone to form a medicament passage. According to the technical scheme of the invention, the Ruhr lock tooth tube joint can realize the function of engaging the safety syringe and the transfusion pipeline.
Description
Technical field
The present invention relates to a kind of armarium, relate in particular to a kind of safety injector.
Background technology
Be called the design of " Turning Telescoping Safe Injecting Syringe " according to the name of existing Chinese utility model patent ZL01200934.2, open day is November 28 calendar year 2001, after its safe machine that mainly designs shows as and completes injection operation, rotating push rod gets loose the needle stand joint and needle body is pulled back enters syringe inside, then promotes push rod and destroy in syringe body needle body inner and reach security purpose.But with medicament extract enter syringe body after, if not will directly implement injection to human body, but when will inject in the tube for transfusion, existing structure just can't be connected with infusion pipeline.Therefore, the present invention extends the design of former safety injector, in using operating process can't with the tube for transfusion connectivity problem, the structure of a Luer lock tooth pipe joint, the extension safety injector scope of application easily and effectively are provided.
Summary of the invention
The present invention is directed to the deficiency that in prior art, syringe can't be connected with infusion pipeline, a kind of Luer lock tooth pipe joint for safety injector is provided.
In order to solve the problems of the technologies described above, the present invention is solved by following technical proposals:
The Luer lock tooth pipe joint that is used for safety injector, it is hollow structure, the centre is separated by dividing plate, be provided with hook in the upper circular cavity of dividing plate upper end, the center of the lower circular cavity of dividing plate lower end is provided with bullet, the inside of bullet is a hollow taper circular hole and a small sircle hole, and hollow taper circular hole and a small sircle hole communicate, and the hollow taper circular hole connects demarcation strip and communicates with upper circular cavity.Upper circular cavity is used for being connected with syringe cooperation.Hollow taper circular hole and small sircle hole are through to the top plan of bullet, as the medicament passage.
As preferably, lower circular cavity inner circumferential edge is a screwed tooth structure, is used for the joint corresponding with other medical apparatus and instruments to be connected mutually.
As preferably, a square opening that runs through sidewall is arranged between hook and dividing plate on sidewall corresponding to described upper circular cavity.Square opening is used for the start of injection molded slide block and is convenient to the ejecting injection molded mould of finished product.
As preferably, bullet is that protrusion bullet and the inner circumferential edge of Luer standards angle is provided with thread, meets with general standard medical treatment pipe fitting female Luer to be connected mutually, is convenient to management, and popularized type is stronger.Female Luer standard angle is the universal standard of medical apparatus and instruments, detailed data please look into [GB/T 1962.1-2001 syringe, entry needle and other medical apparatus and instruments 6%(Rule) the cone joint part 1: this standard code of General Requirement national standard (GB) GB/T1962.1-2001 syringe, entry needle and other medical apparatus and instruments 6%(Rule) size, requirement, the test method of cone joint General Requirement.This standard is applicable to rigidity and semirigid injector to inject pin and other medical apparatus and instruments 6%(Rule) the cone joint General Requirement.Be not suitable for 6%(Rule more soft or that elastomeric material is made) cone joint.]
The present invention also provides a kind of safety injector that is used in combination in the Luer lock tooth pipe joint of safety injector, and the present invention is achieved through the following technical solutions:
Safety injector comprises push rod, piston, syringe needle joint chair, O RunddichtringO and syringe body, and wherein push rod and piston are done combination; Needle stand joint and sealing ring are done combination; The needle stand joint that puts sealing ring is inserted in hole, syringe body installation site and fixed, insert in syringe body hollow endoporus in connection with the push rod of piston again, it is characterized in that: described syringe body designs the recessed trench of two in the appearance in needle stand jiont treatment hole, what lean on needle stand jiont treatment hole end surface is open recesses, and the wedge-shaped impression bottom recessed trench is used for being inserted in and rotating and be used as in conjunction with locking with Luer lock tooth pipe joint.
Safety injector comprises push rod, piston, syringe needle joint chair, sealing ring and syringe body, and push rod and piston are done combination; Needle stand joint and sealing ring are done combination; The needle stand joint that puts sealing ring is inserted in hole, syringe body installation site and fixed, then insert in syringe body hollow endoporus in connection with the push rod of piston.Syringe body arranges the recessed trench of two in the appearance in needle stand jiont treatment hole, and the hook that is used for the Luer lock tooth pipe joint of safety injector is stuck in recessed trench and is used in conjunction with.
The most preferred, recessed trench comprises open recesses section, interlude and wedge-shaped impression section, and open recesses section wedge-shaped impression sector hole footpath is greater than interlude, guarantee hook be stuck in recessed trench inner be difficult for loosening.
According to technical scheme of the present invention, can utilize a Luer lock tooth pipe joint to reach the function that safety injector is connected infusion pipeline.
Description of drawings
Fig. 1 is mechanism's exploded view that the present invention is applied to syringe.
Fig. 2 is the product axonometric chart of syringe cylinder.
Fig. 3 is for using the axonometric chart of syringe of the present invention.
Fig. 4 is profile of the present invention.
Fig. 5 is the topology view of the recessed trench of syringe body of the present invention.
Fig. 6 is the connection diagram of Luer lock tooth pipe joint of the present invention and syringe body.
The 1-push rod; The 2-piston; 3-needle stand joint; 3.1-tapered cylinder; The 4-sealing ring; The 5-syringe body; 5.1-needle stand jiont treatment hole; 5.2-recessed trench; 5.2.1-open recesses section; 5.2.2-wedge-shaped impression section; 5.2.3-interlude; 6 needle stands; The 7-needle body; 8-pin protecting cover; 9-Luer lock tooth pipe joint; 9.1-dividing plate; 9.2-lower circular cavity; 9.3-thread; 9.4-Luer taper body; 9.5-upper circular cavity; 9.6-hook; 9.7-square opening; 9.8-taper circular hole; 9.9-small sircle hole.
The specific embodiment
Below in conjunction with accompanying drawing and the specific embodiment, the present invention is described in further detail:
The Luer lock tooth pipe joint that is used for safety injector, referring to accompanying drawing 4 and accompanying drawing 6, Luer lock tooth pipe joint 9 is hollow structure, the centre is separated by dividing plate 9.1, be provided with hook 9.6 in the upper circular cavity 9.5 of dividing plate 9.1 upper ends, the center of the lower circular cavity 9.2 of dividing plate 9.1 lower ends is provided with bullet 9.4, the inside of bullet 9.4 is a hollow taper circular hole 9.8 and a small sircle hole 9.9, hollow taper circular hole 9.8 and a small sircle hole 9.9 communicate, and hollow taper circular hole 9.8 connects dividing plate 9.1 and communicates with upper circular cavity 9.5.Upper circular cavity 9.5 is used for being connected with syringe cooperation.Hollow taper circular hole 9.8 and small sircle hole 9.9 are through to the top plan of bullet 9.4, as the medicament passage.9.1, hook 9.6 mechanisms and dividing plate have a square opening 9.7 that runs through outer circumferential surface, are used for the start of injection molded slide block and are convenient to the ejecting injection molded mould of finished product.Lower circular cavity 9.2 inner circumferential edge are thread 9.3 structures, and the bullet 9.4 of centre is the bullet of Luer standards, are used for the female Luer corresponding with other medical apparatus and instruments to be connected mutually.Management easy to use, popularized type is stronger.
Embodiment 2:
Safety injector to accompanying drawing 6, comprises push rod 1, piston 2, syringe needle joint chair 3, sealing ring 4 and syringe body 5 referring to accompanying drawing 1, and push rod 1 combines with piston 2; Needle stand joint 3 combines with sealing ring 4; Needle stand 6 with put pin protecting cover 8 after needle body 7 coordinates and protect, become the needle stand combination; The needle stand joint 3 that will put again sealing ring 4 is inserted in the installing hole of syringe body 5 and is fixing, then the push rod 1 after built-up piston 2 is inserted in the hollow endoporus of syringe body 5, with the needle stand combination be loaded on that needle stand joint 3 exposes the protrusion taper on.
Be applicable to syringe of the present invention, referring to Fig. 5,5.1 outer surface arranges two corresponding recessed trench 5.2 to syringe body 5 in needle stand jiont treatment hole, and the hook 9.6 that is used for the Luer lock tooth pipe joint of safety injector is stuck in recessed trench 5.2 and is used in conjunction with.Recessed trench 5.2 comprises open recesses section 5.2.1, interlude 5.2.3 and wedge-shaped impression section 5.2.2, and open recesses section 5.2.1 and wedge-shaped impression section 5.2.1 aperture be greater than interlude 5.2.3, guarantee hook 9.6 be stuck in recessed trench 5.2 inner be difficult for loosening.
After syringe normally extracts quantitative pharmacy; Cover back stitching protecting cover 8 with whole needle stand combination removal, namely comprises needle stand 6, needle body 7, pin protecting cover 8 etc., and exposes the tapered cylinder 3.1 of needle stand joint 3; Take out Luer lock tooth pipe joint 9, wherein hook 9.6 puts the end points of syringe body 5 according to open recesses section 5.2.1, and impose and counterclockwise rotated, hook 9.6 tapered cylinder 3.1 of following wedge-shaped impression section 5.2.2 track and making needle stand joint 3 closes tightly mutually with the taper circular hole 9.8 of Luer lock tooth pipe joint 9.Hook 9.6 Main Functions are that the end points with Luer lock tooth pipe joint 9 and syringe body 5 follows wedge-shaped impression section 5.2.2 and makes spin locking and make simultaneously needle stand joint 3 tapered cylinders 3.1 and the taper circular hole 9.8 of Luer lock tooth pipe joint 9 can be good at fitted seal.In conjunction with after can utilize Luer lock tooth pipe joint 9 lower ends Luer taper body 9.4 and its thread 9.3 can be connected mutually with infusion pipeline and the corresponding female Luer of other medical apparatus and instruments of other medical apparatus and instruments.And then extend the safety injector scope of application, and ensure former safety effect.
In a word, the above is only preferred embodiment of the present invention, and all equalizations of doing according to the present patent application the scope of the claims change and modify, and all should belong to the covering scope of patent of the present invention.
Claims (2)
1. safety injector, comprise push rod (1), piston (2), syringe needle joint chair (3), sealing ring (4) and syringe body (5), and push rod (1) is done combination with piston (2), needle stand joint (3) is done combination with sealing ring (4), the needle stand joint (3) that will put sealing ring (4) is inserted in syringe body (5) hole, installation site and is fixing, insert in syringe body (5) hollow endoporus in connection with the push rod (1) of piston (2) again, it is characterized in that: the appearance of described syringe body (5) in needle stand jiont treatment hole (5.1) arranges the recessed trench (5.2) of two, also comprise Luer lock tooth pipe joint (9), Luer lock tooth pipe joint (9) is hollow structure, the centre is separated by dividing plate (9.1), be provided with hook (9.6) in the upper circular cavity (9.5) of dividing plate (9.1) upper end, the center of the lower circular cavity (9.2) of dividing plate (9.1) lower end is provided with bullet (9.4), the inside of bullet (9.4) is a hollow taper circular hole (9.8) and a small sircle hole (9.9), hollow taper circular hole (9.8) and small sircle hole (9.9) communicate, hollow taper circular hole (9.8) connects dividing plate (9.1) the described hook (9.6) that communicates with upper circular cavity (9.5) and is stuck in recessed trench (5.2).
2. safety injector according to claim 1, it is characterized in that: described recessed trench (5.2) comprises open recesses section (5.2.1), interlude (5.2.3) and wedge-shaped impression section (5.2.2), and open recesses section (5.2.1) and wedge-shaped impression section (5.2.2) aperture are greater than interlude (5.2.3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010511111 CN101966127B (en) | 2010-10-18 | 2010-10-18 | Safety syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010511111 CN101966127B (en) | 2010-10-18 | 2010-10-18 | Safety syringe |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210170803.2A Division CN102698343B (en) | 2010-10-18 | 2010-10-18 | Luer locking pipe joint for safe injector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101966127A CN101966127A (en) | 2011-02-09 |
| CN101966127B true CN101966127B (en) | 2013-06-05 |
Family
ID=43545397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010511111 Expired - Fee Related CN101966127B (en) | 2010-10-18 | 2010-10-18 | Safety syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101966127B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2826519A1 (en) * | 2013-07-15 | 2015-01-21 | Becton Dickinson France | Adaptor for a drug delivery device and method for mounting said adaptor thereon |
| CN109908433B (en) * | 2018-12-05 | 2022-02-08 | 王琳 | Disposable micro high-precision safety syringe |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5071413A (en) * | 1990-06-13 | 1991-12-10 | Utterberg David S | Universal connector |
| US6832994B2 (en) * | 2000-01-24 | 2004-12-21 | Bracco Diagnostics Inc. | Table top drug dispensing vial access adapter |
| CN201279277Y (en) * | 2008-09-30 | 2009-07-29 | 湖南乐福地医药包材科技有限公司 | Disposable transfusion system of puncture device without bottle stopper |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7118560B2 (en) * | 2003-02-28 | 2006-10-10 | Creative Plastic Technology, Llc | Needleless Luer activated medical connector |
| JP4599875B2 (en) * | 2004-04-07 | 2010-12-15 | 株式会社ジェイ・エム・エス | Syringe with connector, connector used for syringe, and syringe |
| JP2009213632A (en) * | 2008-03-10 | 2009-09-24 | Arte Corp | Syringe serving also as container |
| US8512309B2 (en) * | 2009-01-15 | 2013-08-20 | Teva Medical Ltd. | Vial adapter element |
-
2010
- 2010-10-18 CN CN 201010511111 patent/CN101966127B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5071413A (en) * | 1990-06-13 | 1991-12-10 | Utterberg David S | Universal connector |
| US6832994B2 (en) * | 2000-01-24 | 2004-12-21 | Bracco Diagnostics Inc. | Table top drug dispensing vial access adapter |
| CN201279277Y (en) * | 2008-09-30 | 2009-07-29 | 湖南乐福地医药包材科技有限公司 | Disposable transfusion system of puncture device without bottle stopper |
Non-Patent Citations (2)
| Title |
|---|
| JP特开2005-296136A 2005.10.27 |
| JP特开2009-213632A 2009.09.24 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101966127A (en) | 2011-02-09 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: YIYAN BIO-TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: UNIQSAFE BIOMEDITECH CO., LTD. Effective date: 20140416 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140416 Address after: Mauritius City, No. 35 Alexander Seiber eevee house 3 floor Patentee after: YOUYIAN BIOCHEMICAL TECHNOLOGY CO.,LTD. Address before: Lane 70, Lane 11, Jin Xiu Road, Xin County, Taipei, Taiwan, China Patentee before: Uniqsafe Biomeditech Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20191018 |