CN102698343A - Luer locking pipe joint for safe injector - Google Patents
Luer locking pipe joint for safe injector Download PDFInfo
- Publication number
- CN102698343A CN102698343A CN2012101708032A CN201210170803A CN102698343A CN 102698343 A CN102698343 A CN 102698343A CN 2012101708032 A CN2012101708032 A CN 2012101708032A CN 201210170803 A CN201210170803 A CN 201210170803A CN 102698343 A CN102698343 A CN 102698343A
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- China
- Prior art keywords
- pipe joint
- lock tooth
- luer lock
- tooth pipe
- dividing plate
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Abstract
The invention provides a luer locking pipe joint for a safe injector to overcome the defect that an injector cannot be joined with an injection pipeline in the prior art. The luer locking pipe joint for the safe injector is hollow; the middle of the luer locking pipe joint is separated by a partition board; a claw is arranged in an upper circular chamber on the upside of the partition board; a cone is arranged in the center of the lower circular chamber on the downside of the partition board; a hollow conic round hole and a small round hole, which are communicated with each other, are formed inside the cone; and the hollow conic round hole is communicated with the upper circular chamber through the partition board. The upper circular chamber is matched with the injector in connection. The hollow conic round hole and the small round hole are extended to the top plane of the cone to serve as a medicament channel. According to the technical solution of the invention, the luer locking pipe joint can be used for joining the safe injector with the injection pipeline.
Description
Technical field
The present invention relates to a kind of armarium, relate in particular to a kind of luer lock tooth pipe joint and safety injector that is used for 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 accomplishes injection operation; The rotation push rod gets loose the needle stand joint and needle body is pulled back to get into syringe inner, promotes push rod again and destroys in needle cylinder main body needle body inner and reach security purpose.But after medicament extract got into needle cylinder main body, if not will directly implement injection to human body, but when will in tube for transfusion, inject, 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 syringe can't be connected with infusion pipeline in the prior art, a kind of luer lock tooth pipe joint that is used for safety injector is provided.
In order to solve the problems of the technologies described above, the present invention is able to solve through following technical proposals:
The luer lock tooth pipe joint that is used for safety injector; It is a hollow structure, and the centre is separated by dividing plate, is provided with hook in the last circular cavity of dividing plate upper end; The center of the following 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 a hollow taper circular hole and a small sircle hole communicate, and the hollow taper circular hole connects demarcation strip and communicates with last circular cavity.Last 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, following circular cavity inner circumferential edge is a thread structure, is used for the joint corresponding with other medical apparatus and instruments to be connected mutually.
As preferably, described go up between hook and dividing plate, have on the circular cavity corresponding side walls one run through sidewall square opening.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 the 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, and detailed data please be looked into [GB/T 1962.1-2001 syringe, entry needle and other medical apparatus and instruments 6% (Rule) cone joint part 1: general size, requirement, the test method of syringe, entry needle and the general requirement of other medical apparatus and instruments 6% (Rule) cone joint that required this standard code of national standard (GB) GB/T1962.1-2001.This standard is applicable to rigidity and semirigid injector to inject pin and the general requirement of other medical apparatus and instruments 6% (Rule) cone joint.Be not suitable for 6% (Rule) cone joint more softish or that elastomeric material is processed.]
The safety injector that the present invention also provides a kind of luer lock tooth pipe joint in safety injector to match and use, the present invention realizes through following technical scheme:
Safety injector comprises push rod, piston, syringe needle joint chair, O RunddichtringO and needle cylinder main body, and wherein push rod is done to combine with piston; The needle stand joint is done to combine with sealing ring; Insert in the hole, needle cylinder main body installation site the needle stand joint that puts sealing ring also fixing; To combine the push rod of piston to insert in the needle cylinder main body hollow endoporus again; It is characterized in that: said needle cylinder main body designs two recessed trench in the appearance of needle stand joint installing hole; What lean on needle stand joint installing hole end face is open recesses, and the wedge-shaped impression of recessed trench bottom is used for being inserted in luer lock tooth pipe joint and rotating and do to combine locking to use.
Safety injector comprises push rod, piston, syringe needle joint chair, sealing ring and needle cylinder main body, and push rod is done to combine with piston; The needle stand joint is done to combine with sealing ring; The needle stand joint that puts sealing ring is inserted in the hole, needle cylinder main body installation site and fixing, will combine the push rod of piston to insert in the needle cylinder main body hollow endoporus again.Needle cylinder main body is provided with two recessed trench in the appearance of needle stand joint installing hole, and the hook that is used for the luer lock tooth pipe joint of safety injector is stuck in the recessed trench and is used.
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 guarantees that greater than interlude hook is stuck in inner difficult the becoming flexible of recessed trench.
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 applied to mechanism's exploded view of syringe for the present invention.
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 a profile of the present invention.
Fig. 5 is the topology view of the recessed trench of needle cylinder main body of the present invention.
Fig. 6 is the be connected sketch map of luer lock tooth pipe joint of the present invention with needle cylinder main body.
The 1-push rod; The 2-piston; 3-needle stand joint; 3.1-tapered cylinder; The 4-sealing ring; The 5-needle cylinder main body; 5.1-needle stand joint installing 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-following circular cavity; 9.3-thread; 9.4-luer taper body; 9.5-last 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 the 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 a hollow structure, and the centre is separated by dividing plate 9.1, is provided with hook 9.6 in the last circular cavity 9.5 of dividing plate 9.1 upper ends; The center of the following 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, and a 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 last circular cavity 9.5.Last 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 on hook 9.6 mechanisms and dividing plate have one run through outer circumferential surface square opening 9.7, be used for the start of injection molded slide block and be convenient to the ejecting injection molded mould of finished product.Following circular cavity 9.2 inner circumferential edge are a 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 referring to accompanying drawing 1 to accompanying drawing 6, comprises push rod 1, piston 2, syringe needle joint chair 3, sealing ring 4 and needle cylinder main body 5, 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 cooperates and protect, become the needle stand combination; The needle stand joint 3 that will put sealing ring 4 is again inserted in the installing hole of needle cylinder main body 5 and is fixing, again the push rod behind the built-up piston 21 is inserted in the hollow endoporus of needle cylinder main 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, needle cylinder main body 5 is provided with two corresponding recessed trench 5.2 at the outer surface of needle stand joint installing hole 5.1, and the hook 9.6 that is used for the luer lock tooth pipe joint of safety injector is stuck in the recessed trench 5.2 and is used.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 guarantee that greater than interlude 5.2.3 hook 9.6 is stuck in recessed trench 5.2 inner difficult becoming flexible.
After syringe normally extracts quantitative pharmacy; Cover back stitching protecting cover 8 with whole needle stand combination removal, promptly 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 needle cylinder main body 5 according to open recesses section 5.2.1; And impose and counterclockwise rotate, then 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 with the taper circular hole 9.8 of luer lock tooth pipe joint 9 each other.The main effect of hook 9.6 is that the end points with luer lock tooth pipe joint 9 and needle cylinder main body 5 follows wedge-shaped impression section 5.2.2 and makes spin locking and make 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 simultaneously.In conjunction with after be that the luer taper body 9.4 of luer lock tooth pipe joint capable of using 9 lower ends can be connected with the infusion pipeline and the corresponding female luer of other medical apparatus and instruments of other medical apparatus and instruments with its thread 9.3 mutually.And then extend the safety injector scope of application, and ensure former safe effect.
In a word, the above is merely preferred embodiment of the present invention, and all equalizations of doing according to claim of the present invention change and modify, and all should belong to the covering scope of patent of the present invention.
Claims (4)
1. the luer lock tooth pipe joint that is used for safety injector; It is characterized in that: luer lock tooth pipe joint (9) is a hollow structure; The centre is separated by dividing plate (9.1); Be provided with hook (9.6) in the last circular cavity (9.5) of dividing plate (9.1) upper end, the center of the following circular cavity (9.2) of dividing plate (9.1) lower end is provided with bullet (9.4), and 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, and hollow taper circular hole (9.8) connects dividing plate (9.1) and communicates with last circular cavity (9.5).
2. the luer lock tooth pipe joint that is used for safety injector according to claim 1 is characterized in that: said circular cavity (9.2) inner circumferential edge down is provided with thread (9.3).
3. the luer lock tooth pipe joint that is used for safety injector according to claim 1 is characterized in that: described go up between hook (9.6) and dividing plate (9.1), have on circular cavity (9.5) corresponding side walls one run through sidewall square opening (9.7).
4. the luer lock tooth pipe joint that is used for safety injector according to claim 1, it is characterized in that: said bullet (9.4) is the protrusion bullet of luer standards angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210170803.2A CN102698343B (en) | 2010-10-18 | 2010-10-18 | Luer locking pipe joint for safe injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210170803.2A CN102698343B (en) | 2010-10-18 | 2010-10-18 | Luer locking pipe joint for safe injector |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010511111 Division CN101966127B (en) | 2010-10-18 | 2010-10-18 | Safety syringe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102698343A true CN102698343A (en) | 2012-10-03 |
| CN102698343B CN102698343B (en) | 2014-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210170803.2A Expired - Fee Related CN102698343B (en) | 2010-10-18 | 2010-10-18 | Luer locking pipe joint for safe injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102698343B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109908433A (en) * | 2018-12-05 | 2019-06-21 | 王琳 | Disposable micro high-precision safety injector |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040171993A1 (en) * | 2003-02-28 | 2004-09-02 | Bonaldo Jean M. | Needleless luer activated medical connector |
| CN101400395A (en) * | 2006-03-13 | 2009-04-01 | 医疗卫士有限公司 | A needle containing medical device with variable locking to needle holder |
| US20100179506A1 (en) * | 2009-01-15 | 2010-07-15 | Eli Shemesh | Vial adapter element |
-
2010
- 2010-10-18 CN CN201210170803.2A patent/CN102698343B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040171993A1 (en) * | 2003-02-28 | 2004-09-02 | Bonaldo Jean M. | Needleless luer activated medical connector |
| CN101400395A (en) * | 2006-03-13 | 2009-04-01 | 医疗卫士有限公司 | A needle containing medical device with variable locking to needle holder |
| US20100179506A1 (en) * | 2009-01-15 | 2010-07-15 | Eli Shemesh | Vial adapter element |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109908433A (en) * | 2018-12-05 | 2019-06-21 | 王琳 | Disposable micro high-precision safety injector |
| CN109908433B (en) * | 2018-12-05 | 2022-02-08 | 王琳 | Disposable micro high-precision safety syringe |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102698343B (en) | 2014-07-30 |
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Owner name: YIYAN BIO-TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: UNIQSAFE BIOMEDITECH CO., LTD. Effective date: 20140416 |
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Effective date of registration: 20140416 Address after: Mauritius City, No. 35 Alexander Seiber eevee house 3 floor Applicant after: YOUYIAN BIOCHEMICAL TECHNOLOGY CO.,LTD. Address before: Lane 70, Lane 11, Jin Xiu Road, Xin County, Taipei, Taiwan, China Applicant before: Uniqsafe Biomeditech Co., Ltd. |
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Granted publication date: 20140730 Termination date: 20191018 |
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