CN102698343B - Luer locking pipe joint for safe injector - Google Patents
Luer locking pipe joint for safe injector Download PDFInfo
- Publication number
- CN102698343B CN102698343B CN201210170803.2A CN201210170803A CN102698343B CN 102698343 B CN102698343 B CN 102698343B CN 201210170803 A CN201210170803 A CN 201210170803A CN 102698343 B CN102698343 B CN 102698343B
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- pipe joint
- hole
- injector
- dividing plate
- needle
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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 for safety injector.
Background technology
According to the name of existing Chinese utility model patent ZL01200934.2, be called the design of " Turning Telescoping Safe Injecting Syringe ", open day is November 28 calendar year 2001, its safe machine mainly designing has shown as after injection operation, rotating push rod gets loose needle stand joint and needle body is pulled back enters syringe inside, then promotes push rod and needle body is destroyed in needle cylinder main body inner and reach security purpose.But medicament is extracted and to be entered after needle cylinder main body, if not will directly implement injection to human body, but will be when injecting in tube for transfusion, existing structure just cannot be connected with infusion pipeline.Therefore, the present invention extends the design of former safety injector, in using operating process cannot with tube for transfusion connectivity problem, the structure of a Luer lock tooth pipe joint, the extension safety injector scope of application are easily and effectively provided.
Summary of the invention
The present invention is directed to the deficiency that in prior art, syringe cannot 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:
Luer lock tooth pipe joint for safety injector, it is hollow structure, centre is separated by dividing plate, in the upper circular cavity of dividing plate upper end, be provided with hook, 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 hollow taper circular hole connects demarcation strip and communicates with upper circular cavity.Upper circular cavity is for being connected cooperation with syringe.Hollow taper circular hole and small sircle hole are through to the top planes of bullet, as 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, on sidewall corresponding to described upper circular cavity, between hook and dividing plate, there is a square opening that runs through sidewall.Square opening is convenient to the ejecting injection molded mould of finished product for the start of injection molded slide block.
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 and is connected mutually, is convenient to management, and popularized type is stronger.The universal standard that female Luer standard angle is medical apparatus and instruments, detailed data please look into [GB/T1962.1-2001 syringe, entry needle and other medical apparatus and instruments 6%(Rule) cone joint part 1: this standard of General Requirement national standard (GB) GB/T1962.1-2001 has been stipulated 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) 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 being 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 needle cylinder main 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, needle cylinder main body installation site and fixed, in connection with the push rod of piston, insert in needle cylinder main body hollow endoporus again, it is characterized in that: described needle cylinder main 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 of recessed trench bottom is 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 needle cylinder main 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, needle cylinder main body installation site and fixed, then insert in needle cylinder main body hollow endoporus in connection with the push rod of piston.Needle cylinder main body arranges the recessed trench of two in the appearance in needle stand jiont treatment hole, for the hook of 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, guarantees that hook is stuck in recessed trench inner difficult 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.
Accompanying drawing explanation
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 being used 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 needle cylinder main body of the present invention.
Fig. 6 is the connection diagram of Luer lock tooth pipe joint of the present invention and needle cylinder main body.
1-push rod; 2-piston; 3-needle stand joint; 3.1-tapered cylinder; 4-sealing ring; 5-needle cylinder main 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; 7-needle body; 8-pin protecting cover; 9-Luer lock tooth pipe joint; 9.1-dividing plate; Circular cavity under 9.2-; 9.3-thread; 9.4-Luer taper body; The upper circular cavity of 9.5-; 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:
Embodiment 1
Luer lock tooth pipe joint for safety injector, referring to accompanying drawing 4 and accompanying drawing 6, Luer lock tooth pipe joint 9 is hollow structure, centre is separated by dividing plate 9.1, in the upper circular cavity 9.5 of dividing plate 9.1 upper ends, be provided with hook 9.6, the lower circular cavity 9.2 center 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 for being connected cooperation with syringe.Hollow taper circular hole 9.8 and small sircle hole 9.9 are through to the top planes of bullet 9.4, as medicament passage.9.1, hook 9.6 mechanisms and dividing plate have a square opening 9.7 that runs through outer circumferential surface, for the start of injection molded slide block, 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 that the bullet 9.4 of centre is Luer standards is 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 needle cylinder main 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 puts pin protecting cover 8 after coordinating with needle body 7 and protects, and becomes needle stand combination; Again the needle stand joint 3 that puts sealing ring 4 is inserted in the installing hole of needle cylinder main body 5 and fixing, then the push rod after built-up piston 21 is inserted in the hollow endoporus of needle cylinder main body 5, needle stand combination is loaded on to needle stand joint 3 exposes protrusion taper on.
Be applicable to syringe of the present invention, referring to Fig. 5, the outer surface of needle cylinder main body 5 in needle stand jiont treatment hole 5.1 arranges two corresponding recessed trench 5.2, for the hook 9.6 of 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 are greater than interlude 5.2.3, guarantees that hook 9.6 is stuck in recessed trench 5.2 inner difficult loosening.
After syringe normally extracts quantitative pharmacy; Cover back stitching protecting cover 8, by whole needle stand combination removal, 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 rotated, hook 9.6 is followed wedge-shaped impression section 5.2.2 track and the tapered cylinder 3.1 of needle stand joint 3 and the taper circular hole 9.8 of Luer lock tooth pipe joint 9 is closed tightly mutually.Hook 9.6 Main Functions are the end points of Luer lock tooth pipe joint 9 and needle cylinder main body 5 to be followed to wedge-shaped impression section 5.2.2 make spin locking and make needle stand joint 3 tapered cylinders 3.1 can be good at fitted seal with the taper circular hole 9.8 of Luer lock tooth pipe joint 9 simultaneously.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 foregoing is only preferred embodiment of the present invention, 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. for the Luer lock tooth pipe joint of safety injector, it is characterized in that: Luer lock tooth pipe joint (9) is hollow structure, centre is separated by dividing plate (9.1), in the upper circular cavity (9.5) of dividing plate (9.1) upper end, be provided with hook (9.6), 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, the least radius of hollow taper circular hole (9.8) is greater than the radius of small sircle hole (9.9), hollow taper circular hole (9.8) connects dividing plate (9.1) and communicates with upper circular cavity (9.5), described lower circular cavity (9.2) inner circumferential edge is provided with thread (9.3), on sidewall corresponding to described upper circular cavity (9.5), between hook (9.6) and dividing plate (9.1), there is a square opening (9.7) that runs through sidewall.
2. the Luer lock tooth pipe joint for safety injector according to claim 1, is characterized in that: described 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 CN102698343A (en) | 2012-10-03 |
| CN102698343B true 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) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109908433B (en) * | 2018-12-05 | 2022-02-08 | 王琳 | Disposable micro high-precision safety syringe |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (2)
| 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 |
| US8512309B2 (en) * | 2009-01-15 | 2013-08-20 | Teva Medical Ltd. | Vial adapter element |
-
2010
- 2010-10-18 CN CN201210170803.2A patent/CN102698343B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102698343A (en) | 2012-10-03 |
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| C06 | Publication | ||
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| 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 | ||
| TA01 | Transfer of patent application right |
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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| C14 | Grant of patent or utility model | ||
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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: 20140730 Termination date: 20191018 |