CN105228670B - The medical infusion joint plugged into non small cellCatheter - Google Patents
The medical infusion joint plugged into non small cellCatheter Download PDFInfo
- Publication number
- CN105228670B CN105228670B CN201380075554.1A CN201380075554A CN105228670B CN 105228670 B CN105228670 B CN 105228670B CN 201380075554 A CN201380075554 A CN 201380075554A CN 105228670 B CN105228670 B CN 105228670B
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- Prior art keywords
- inner chamber
- connecting seat
- fittings body
- joint
- plugged
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/10—Tube connectors; Tube couplings
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/22—Valves or arrangement of valves
- A61M39/28—Clamping means for squeezing flexible tubes, e.g. roller clamps
- A61M39/286—Wedge clamps, e.g. roller clamps with inclined guides
- A61M39/287—Wedge formed by a slot having varying width, e.g. slide clamps
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
A kind of medical infusion joint plugged into non small cellCatheter, for preventing and eliminating negative pressure.Including joint pedestal（3）, this joint pedestal（3）Or and connecting seat（1）Construction integration or split construction but and connecting seat（1）It is affixed, fittings body（2）Leading portion is plugged on joint pedestal（3）The device axially elapsed in inner chamber and with adjustable diameter and screw adjusting, fittings body（2）With joint pedestal（3）Between inner chamber or fittings body（2）With connecting seat（1）Between inner chamber or fittings body（2）With joint pedestal（3）Inner chamber and connecting seat（1）There is fittings body between inner chamber（2）The space that adjustable diameter and screw adjusting axially elapses, fittings body（2）Inner chamber and connecting seat（1）Inner chamber connects.
Description
Technical field
Medium introduces to internal device the present invention relates to a kind of, it is particularly a kind of plugged into non small cellCatheter it is medical
Infusion connector.
Background technology
In clinical treatment, when patient needs repeatedly transfusion, it will usually which, using non small cellCatheter, the outer indwelling of human body is led
The docking mode of pipe and transfusion device, which is divided into, pin and needleless docking.One kind of the prior art have pin docking mode as shown in figure 1,
Medical infusion joint is made up of connecting seat 1 and the fittings body 2 affixed with it, and this fittings body 2 is also commonly known as calparine cap.It is defeated
Seal rubber plug insertion of the liquid device needle tubing from the top of fittings body 2.While transfusion device needle tubing is extracted in transfusion end of a period, needle tubing original occupies
Close to vacuum so as to produce multiple pressure in inlying catheter, blood can be flow backwards into inlying catheter from blood vessel in space, flow backwards blood and made
Inlying catheter is blocked into blood clotting, can not be infused again, it is serious there may be thrombus, damaged to sufferer.Therefore, cure
Business personnel usually require to take one to be rinsed inlying catheter tube sealing with the tube sealing syringe for puncturing needle tubing, when tube sealing operates
Syringe needle tube penetrates from calparine cap plug, into calparine cap inner chamber, necessarily occupies calparine cap intracavity space, and tube sealing terminates
When, medical worker needs side to withdraw from syringe needle tube edge to inject tube-sealing solution, replenish the space that needle tubing occupies, in order to avoid in inlying catheter
The interior multiple pressure of formation.This cumbersome and still can remain the space that tube-sealing solution can not finally be filled up, negative pressure can still produce, in order to
Remedy such and insufficient, traditionally on not flow-stopping clip clamp extension tube after, it is necessary to by flow-stopping clip toward conduit tube component direction slide, order
Extension tube is gradually extruded, and will be extended liquid in pipe and is squeezed into inlying catheter inner chamber, drives refluence blood, but flow-stopping clip and extension tube out of
Resistance to sliding is big during clamping, drawing extension tube, easily elongates extension tube and attenuates, and conduit tube component is during indwelling, through multiple drawing,
Serious meeting breaks extension tube and causes hemorrhage, is pasted onto plus conduit tube component indwelling on sufferer body, extension tube limited length,
If drawing is careless, conduit tube component can be pulled out to sufferer body, in order to avoid above-mentioned accident occurs, medical worker is careful when operating
Small careful micro-, the length of flow-stopping clip drawing sometimes is inadequate, still can not be completely secured and drive blood inside catheters totally, therefore this operation
Mode is invisible to add medical personnel's workload and psychological burden.
The content of the invention
Present invention aims to overcome that one kind is provided in place of the deficiencies in the prior art can eliminate negative pressure and easy to operate
The medical infusion joint plugged into non small cellCatheter.
The purpose of the present invention is realized by following approach.
The medical infusion joint plugged into non small cellCatheter, including connecting seat and fittings body, connecting seat front end and indwelling
The extension tube of conduit is plugged into, and its composition is characterized by：Also include a kind of joint pedestal, this joint pedestal or integral with connecting seat
Construction or split construction but it is affixed with connecting seat, fittings body leading portion is plugged in joint pedestal inner chamber and has adjustable diameter and screw adjusting axle
To the device of passage, between fittings body and joint pedestal inner chamber either between fittings body and connecting seat inner chamber or fittings body is with connecing
There is the space that fittings body adjustable diameter and screw adjusting axially elapses, joint intracoelomic cavity is with being connected between head pedestal inner chamber and connecting seat inner chamber
The connection of seat inner chamber.
So both joint pedestal and connecting seat inner chamber form a closed die cavity, are axially elapsed using fittings body adjustable diameter and screw adjusting
Advance and retreat change closed die cavity volume size.Fittings body is stepped back, closed die cavity increase；Fittings body promotes, and closed die cavity reduces.It is defeated
When liquid works, fittings body is first stepped back, and closed die cavity increase, is easy to accommodate more liquid；Transfusion terminates needle tubing and exited simultaneously, joint
Body promotes, and closed die cavity from large to small, so as to fill up the space that former needle tubing occupies, prevents that blood enters in negative pressure or discharge conduit
Enter blood vessel to eliminate negative pressure.It is this to prevent that the mode of negative pressure and elimination negative pressure is simple, effective, easy to operate.
The purpose of the present invention can also be realized by following approach.
The device that adjustable diameter and screw adjusting axially elapses have it is a variety of specifically construct available, two kinds therein of following discloses, one
Planting is：
Fittings body leading portion is plugged in joint pedestal inner chamber and is connected with joint base helical.
So, swivel body rotates by fittings body opposing tabs base helical, so as to allow fittings body opposing tabs pedestal
It is spiral to advance and spirally retreat.
Fittings body in front of joint base helical linkage section with being provided with a kind of inner seal liner.
Joint pedestal inner chamber is a kind of pre-large post-small ladder die cavity, and large-scale cavity wall sets and screws internal thread and connecting seat
Corresponding part interlocking, small-sized cavity wall set advance and retreat internal thread to can adjust spiral with fittings body and are connected, set before advance and retreat internal thread
A kind of shoulder block is equipped with, inner seal liner is installed before this shoulder block, and fittings body paragraph corresponding with this inner seal liner is a kind of cylinder.
Fittings body front end is a kind of standard luer taper section, corresponding paragraph in connecting seat inner chamber or in joint pedestal inner chamber
A kind of and standard luer taper.
This fittings body is also known as standard Luer male contact.
Fittings body front end is a kind of standard luer taper section, and corresponding paragraph is also a kind of standard Luer in connecting seat inner chamber
Taper, this corresponding paragraph extend into the part that joint pedestal screws internal thread including connecting seat, and fittings body front end extend into connection
This corresponding paragraph of seat simultaneously hereinto stretches.Either：
In the inner core for screwing the paragraph of internal thread, the protruded stigma of projection one, this protruded stigma outer peripheral face are a kind of standards to joint pedestal forward
Luer taper section is simultaneously extend into connecting seat inner chamber, in connecting seat inner chamber corresponding paragraph be also a kind of standard luer taper and with
The protruded stigma outer peripheral face is connected, and fittings body front end is stretched in joint pedestal inner chamber, elastic with fittings body, before fittings body
The joint pedestal cavity volume of side is with corresponding diminution and increase.
Another specific configuration for the device that above-mentioned adjustable diameter and screw adjusting axially elapses can be：
Fittings body is made up of screw rod and lift head, is located at screw rod tail end, screw rod with the seal rubber plug that needle tubing is plugged into
Leading portion is plugged in lift head inner chamber and is connected with its spiral, and screw rod is also connected with joint pedestal axial limiting, lift head with
Can the mode of the front and rear sliding of opposing tabs pedestal be nested with the inner chamber of joint pedestal.
So, because screw rod is by axial limiting, helical rotation is broken down into idle running and moved forward and backward, wherein dallying by spiral shell
Swing arm is completed, movable then completed by lift head.
Joint pedestal inner chamber is a kind of pre-large post-small ladder die cavity, and large-scale cavity wall sets and screws internal thread and connecting seat
Corresponding part interlocking, small-sized cavity wall set cylindrical hole to coordinate with lift head gap and are socketed, and the cylinder hole length is more than lift head
Length, there is a shoulder block, a kind of inner seal liner is installed before this shoulder block, before lift head between cylindrical hole and screw thread
The endoporus through this inner seal liner is held to protrude into connecting seat inner chamber.
Lift head front end is a kind of standard luer taper section, corresponding paragraph in connecting seat inner chamber or in joint pedestal inner chamber
A kind of and standard luer taper.
The screw thread of above-mentioned realization advance and retreat regulation is preferably a kind of trapezoidal thread.
A kind of joint overcoat is coated on fittings body periphery and affixed with fittings body.
In summary, the present invention has the following advantages that compared with prior art：Prevent negative pressure and eliminate negative pressure mode it is simple,
Effectively, it is easy to operate.
Brief description of the drawings
Fig. 1 is a kind of structural representation of remaining needle in the prior art；
Fig. 2 is illustrated using the containing needle structure of the medical infusion joint of the present invention plugged into non small cellCatheter
Figure；
Fig. 3 is the structural representation for the medical infusion joint plugged into described in the embodiment of the present invention one with non small cellCatheter；
Fig. 4 is that the medical infusion joint plugged into described in the embodiment of the present invention two with non small cellCatheter is advanced in fittings body
The structural representation of position state；
Fig. 5 be the medical infusion joint plugged into described in the embodiment of the present invention two with non small cellCatheter fittings body step back to
The structural representation of position state；
Fig. 6 is the structural representation for the medical infusion joint plugged into described in preferred embodiment with non small cellCatheter
Figure.
Label declaration
The lift head of 1 connecting seat, 2 fittings body, 21 screw rod 22
The seal rubber plug of 3 joint pedestal, 31 protruded stigma, 4 inner seal liner 5
The joint overcoat of 6 extension tube, 7 flow-stopping clip, 8 conduit tube component 9.
Embodiment
Embodiment one：
Reference picture 2, a kind of remaining needle using the medical infusion joint of the present invention plugged into non small cellCatheter, by
Connecting seat 1, fittings body 2, joint pedestal 3, seal rubber plug 5, extension tube 6, flow-stopping clip 7 and conduit tube component composition.
Reference picture 3, the medical infusion joint plugged into non small cellCatheter, including connecting seat 1, fittings body 2 and joint base
The extension tube 6 of seat 3, connecting seat front end and inlying catheter is plugged into, and joint pedestal 3 is constructed with the split of connecting seat 1 but consolidated with connecting seat 1
Connect, the leading portion of fittings body 2 is plugged in the inner chamber of joint pedestal 3 and is connected with the spiral of joint pedestal 3, fittings body 2 and the inner chamber of connecting seat 1
And between the inner chamber of joint pedestal 3 between there is the space that axially elapses of the adjustable diameter and screw adjusting of fittings body 2, the inner chamber of fittings body 2 is with being connected
The connection of seat inner chamber.The inner chamber of joint pedestal 3 is a kind of pre-large post-small ladder die cavity, and large-scale cavity wall sets and screws internal thread and company
The corresponding part interlocking of joint chair 1, small-sized cavity wall set advance and retreat internal thread to can adjust spiral with fittings body 2 and are connected, advance and retreat internal thread
A kind of shoulder block is provided with before, and inner seal liner 4 is installed before this shoulder block, and fittings body 2 is with this 4 corresponding paragraph of inner seal liner
A kind of cylinder.The front end of fittings body 2 is a kind of standard luer taper section, and corresponding paragraph is also a kind of standard in the inner chamber of connecting seat 1
Luer taper, this corresponding paragraph extend into the part that joint pedestal 3 screws internal thread including connecting seat 1, and the front end of fittings body 2 is stretched into
This to connecting seat 1 corresponds to paragraph and hereinto stretched.Above-mentioned advance and retreat screw thread is a kind of trapezoidal thread.
The not described part of the present embodiment is same as the prior art.
Embodiment two：
Reference picture 4, Fig. 5, the medical infusion joint plugged into non small cellCatheter, including connecting seat 1, fittings body 2 and connect
The extension tube 6 of head pedestal 3, connecting seat front end and inlying catheter is plugged into, and the present embodiment is changed on the basis of embodiment one
Enter.Joint pedestal 3 is screwing the inner core of the paragraph of the internal thread protruded stigma 31 of projection one forward, and this outer peripheral face of protruded stigma 31 is a kind of standard
Luer taper section is simultaneously extend into the inner chamber of connecting seat 1（It is not drawn into figure, refers to Fig. 3）, corresponding paragraph in the inner chamber of connecting seat 1
And a kind of standard luer taper and it is connected with the outer peripheral face of protruded stigma 31.The front end of fittings body 2 no longer sets standard luer taper, and
And the front end of fittings body 2 is simply stretched in the inner chamber of joint pedestal 3, with elastic, the connecing in front of fittings body 2 of fittings body 2
The head cavity volume of pedestal 3 is with corresponding diminution and increase.A kind of joint overcoat 9 is coated on the periphery of fittings body 2 and affixed with fittings body 2.
The not described part of the present embodiment is identical with embodiment one.
Most preferred embodiment：
Reference picture 6, the medical infusion joint plugged into non small cellCatheter, including connecting seat 1, fittings body 2 and joint base
The extension tube 6 of seat 3, connecting seat front end and inlying catheter is plugged into, and joint pedestal 3 is constructed with the split of connecting seat 1 but consolidated with connecting seat 1
Connect, the leading portion of fittings body 2 is plugged in the inner chamber of joint pedestal 3, and the inner chamber of fittings body 2 connects with connecting seat inner chamber.Fittings body is by spiral
Bar 21 and lift head 22 form, and the seal rubber plug 5 plugged into needle tubing is located at the tail end of screw rod 21, and the leading portion of screw rod 21 is plugged on liter
It is connected in first 22 inner chamber of drop and with its spiral, screw rod 21 is also connected with the axial limiting of joint pedestal 3, and lift head 22 is with can be relative
The mode of the front and rear sliding of joint pedestal 3 is nested with the inner chamber of joint pedestal 3.The inner chamber of joint pedestal 3 is a kind of pre-large post-small
Ladder die cavity, large-scale cavity wall set and screw internal thread and the corresponding part interlocking of connecting seat 1（It is not drawn into, can joins in the figure of connecting seat 1
Examine Fig. 2, Fig. 3）, small-sized cavity wall setting cylindrical hole coordinates with the gap of lift head 22 to be socketed, and the cylinder hole length is more than lift head
22 length, so that lift head 22 or even fittings body 2 have the space that adjustable diameter and screw adjusting axially elapses.Cylindrical hole and screw thread
Between there is a shoulder block, a kind of inner seal liner 4 is installed before this shoulder block, and the front end of lift head is through this inner seal liner 4
Endoporus is protruded into the inner chamber of connecting seat 1.The front end of lift head 22 is a kind of standard luer taper section, corresponding in the inner chamber of connecting seat 1
Paragraph is also a kind of standard luer taper.
The not described part of the present embodiment is identical with embodiment one.
Claims (11)
1. the medical infusion joint plugged into non small cellCatheter, including connecting seat and fittings body, connecting seat front end are led with indwelling
The extension tube of pipe is plugged into, it is characterised in that also including a kind of joint pedestal, this joint pedestal or with connecting seat Construction integration or
Person's split construct but it is affixed with connecting seat, fittings body leading portion be plugged in joint pedestal inner chamber and with adjustable diameter and screw adjusting axially elapse
Device, either between fittings body and connecting seat inner chamber or fittings body and joint pedestal inner chamber between fittings body and joint pedestal
And the space that there is fittings body adjustable diameter and screw adjusting axially to elapse between connecting seat inner chamber, joint intracoelomic cavity connect with connecting seat inner chamber
It is logical,
Joint pedestal inner chamber is a kind of pre-large post-small ladder die cavity, and it is corresponding with connecting seat that large-scale cavity wall setting screws internal thread
Part interlocking, joint pedestal inner chamber are provided with a kind of inner seal liner.
2. the medical infusion joint according to claim 1 plugged into non small cellCatheter, it is characterised in that before fittings body
Section is plugged in joint pedestal inner chamber and is connected with joint base helical.
3. the medical infusion joint according to claim 2 plugged into non small cellCatheter, it is characterised in that fittings body with
A kind of inner seal liner is provided with front of joint base helical linkage section.
4. the medical infusion joint according to claim 1 plugged into non small cellCatheter, it is characterised in that joint pedestal
Inner chamber is a kind of pre-large post-small ladder die cavity, and large-scale cavity wall sets and screws internal thread and connecting seat corresponding part interlocking, small
Die cavity inwall sets advance and retreat internal thread to can adjust spiral with fittings body and is connected, and a kind of shoulder block is provided with before advance and retreat internal thread, interior
Seal is installed before this shoulder block, and fittings body paragraph corresponding with this inner seal liner is a kind of cylinder.
5. the medical infusion joint plugged into non small cellCatheter according to claim 1 or 4, it is characterised in that joint
Body front end is a kind of standard luer taper section, and corresponding paragraph is also a kind of standard in connecting seat inner chamber or in joint pedestal inner chamber
Luer taper.
6. the medical infusion joint according to claim 5 plugged into non small cellCatheter, it is characterised in that before fittings body
End is a kind of standard luer taper section, and corresponding paragraph is also a kind of standard luer taper in connecting seat inner chamber, this corresponding paragraph
The part that joint pedestal screws internal thread is extend into including connecting seat, fittings body front end extend into this corresponding paragraph of connecting seat simultaneously
Hereinto stretch.
7. the medical infusion joint according to claim 5 plugged into non small cellCatheter, it is characterised in that joint pedestal
In the inner core for screwing the paragraph of internal thread, the protruded stigma of projection one, this protruded stigma outer peripheral face are a kind of standard luer taper sections and stretched into forward
Into connecting seat inner chamber, corresponding paragraph is also a kind of standard luer taper and connected with the protruded stigma outer peripheral face in connecting seat inner chamber
Connect, fittings body front end is stretched in joint pedestal inner chamber, with elastic, the joint pedestal appearance in front of fittings body of fittings body
Chamber is with corresponding diminution and increase.
8. the medical infusion joint according to claim 1 plugged into non small cellCatheter, it is characterised in that fittings body by
Screw rod and lift head composition, are located at screw rod tail end, screw rod leading portion is plugged on lift head with the seal rubber plug that needle tubing is plugged into
It is connected in inner chamber and with its spiral, screw rod is also connected with joint pedestal axial limiting, and lift head is with can be before opposing tabs pedestal
The mode slid afterwards is nested with the inner chamber of joint pedestal.
9. the medical infusion joint according to claim 8 plugged into non small cellCatheter, it is characterised in that joint pedestal
Inner chamber is a kind of pre-large post-small ladder die cavity, and large-scale cavity wall sets and screws internal thread and connecting seat corresponding part interlocking, small
Die cavity inwall sets cylindrical hole and lift head gap to coordinate and is socketed, and the cylinder hole length is more than the length of lift head, cylindrical hole with
There is a shoulder block between screw thread, a kind of inner seal liner is installed before this shoulder block, the front end of lift head through this this it is interior close
The endoporus of sealing is protruded into connecting seat inner chamber.
10. the medical infusion joint according to claim 8 plugged into non small cellCatheter, it is characterised in that lift head
Front end is a kind of standard luer taper section, and corresponding paragraph is also a kind of standard Shandong in connecting seat inner chamber or in joint pedestal inner chamber
That taper.
11. the medical infusion joint according to claim 1 plugged into non small cellCatheter, it is characterised in that Yi Zhongjie
Head overcoat is coated on fittings body periphery and affixed with fittings body.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2013/074245 WO2014169429A1 (en) | 2013-04-16 | 2013-04-16 | Medical infusion connector for connecting to extracorporeal catheter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105228670A CN105228670A (en) | 2016-01-06 |
| CN105228670B true CN105228670B (en) | 2018-03-16 |
Family
ID=51730667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380075554.1A Active CN105228670B (en) | 2013-04-16 | 2013-04-16 | The medical infusion joint plugged into non small cellCatheter |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105228670B (en) |
| WO (1) | WO2014169429A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106390221A (en) * | 2016-07-11 | 2017-02-15 | 欧阳小青 | Medical push-pull type needless infusion connector |
| CN106421999A (en) * | 2016-07-11 | 2017-02-22 | 欧阳小青 | Medical spiral needleless transfusion joint |
| CN106730109B (en) * | 2016-11-29 | 2023-03-17 | 洛阳市中心医院 | Micro pump screw thread type extension pipe |
| CN107261296B (en) * | 2017-07-19 | 2023-05-05 | 桃江县人民医院 | Contrast catheter with adjustable joint and capable of expanding inner hole of sheath tube |
| CN107661553A (en) * | 2017-09-01 | 2018-02-06 | 李卫林 | A kind of revolving preventing thrombosis remaining needle |
Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4046479A (en) * | 1976-04-23 | 1977-09-06 | Paley Hyman W | Removable locking connector for luer fittings |
| US4296949A (en) * | 1979-08-06 | 1981-10-27 | Abbott Laboratories | Rotatable connecting device for I.V. administration set |
| US4369781A (en) * | 1981-02-11 | 1983-01-25 | Sherwood Medical Industries Inc. | Luer connector |
| EP0158030A1 (en) * | 1984-02-09 | 1985-10-16 | TERUMO KABUSHIKI KAISHA trading as TERUMO CORPORATION | Medical instrument |
| US4639019A (en) * | 1979-06-04 | 1987-01-27 | Baxter Travenol Laboratories, Inc. | Luer connection |
| EP0248979A1 (en) * | 1986-06-06 | 1987-12-16 | Gambro Ab | Coupling component |
| EP0349745A1 (en) * | 1988-06-23 | 1990-01-10 | B. Braun Melsungen AG | Luer lock-type connector |
| EP0471574A1 (en) * | 1990-08-16 | 1992-02-19 | Pradip Vinodchandra Choksi | Taper fitting with protective skirt means |
| DE4429065A1 (en) * | 1994-08-17 | 1996-02-22 | Primed Medizintechnik Gmbh | Catheter or needle connection as shafted cap nut |
| US5702374A (en) * | 1995-11-14 | 1997-12-30 | Abbott Laboratories | Male luer connector assembly |
| DE19833181C1 (en) * | 1998-07-23 | 2000-01-13 | Metallform Gmbh & Co Kg | Lockable plug connection for medical equipment |
| CN1309574A (en) * | 1998-05-29 | 2001-08-22 | 劳伦斯A·林恩 | Luer receiver and method for fluid transfer |
| CN2619642Y (en) * | 2003-04-03 | 2004-06-09 | 苏州林华医疗器械有限公司 | Heparin cap with rotatable internal screw rand |
| CN101024101A (en) * | 2006-02-20 | 2007-08-29 | 佛山特种医用导管有限责任公司 | Remain-type infusion device |
| CN102428308A (en) * | 2009-03-22 | 2012-04-25 | 爱康医学农业合作协会有限公司 | Closed male luer connector |
| CN102802706A (en) * | 2009-06-24 | 2012-11-28 | 贝克顿迪金森法国公司 | Improved luer connector |
| CN202569055U (en) * | 2012-05-04 | 2012-12-05 | 苏州林华医疗器械有限公司 | Infusion apparatus with needleless connecting type indwelling needle |
| CN203263917U (en) * | 2013-04-16 | 2013-11-06 | 福建省百仕韦医用高分子股份有限公司 | Medical transfusion connector connected with external indwelling catheter |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU1332795A (en) * | 1993-11-30 | 1995-06-19 | Medex, Inc. | Plastic needleless valve housing for standard male luer locks |
| US6726672B1 (en) * | 1998-09-28 | 2004-04-27 | Icu Medical, Inc. | Intravenous drug access system |
| CN101601886A (en) * | 2004-05-11 | 2009-12-16 | 医疗器械创新有限公司 | The check valve that utilizes fluid pressure to open and close |
| US20070224865A1 (en) * | 2006-02-17 | 2007-09-27 | Fangrow Thomas F | Soft-grip medical connector |
| CN201263811Y (en) * | 2008-09-22 | 2009-07-01 | 乐普（北京）医疗器械股份有限公司 | Positive-pressure joint for infusion without needle |
| CN201356857Y (en) * | 2009-01-21 | 2009-12-09 | 威海洁瑞医用制品有限公司 | Connector pipe type positive pressure vein remaining needle |
-
2013
- 2013-04-16 CN CN201380075554.1A patent/CN105228670B/en active Active
- 2013-04-16 WO PCT/CN2013/074245 patent/WO2014169429A1/en active Application Filing
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4046479A (en) * | 1976-04-23 | 1977-09-06 | Paley Hyman W | Removable locking connector for luer fittings |
| US4639019A (en) * | 1979-06-04 | 1987-01-27 | Baxter Travenol Laboratories, Inc. | Luer connection |
| US4296949A (en) * | 1979-08-06 | 1981-10-27 | Abbott Laboratories | Rotatable connecting device for I.V. administration set |
| US4369781A (en) * | 1981-02-11 | 1983-01-25 | Sherwood Medical Industries Inc. | Luer connector |
| EP0158030A1 (en) * | 1984-02-09 | 1985-10-16 | TERUMO KABUSHIKI KAISHA trading as TERUMO CORPORATION | Medical instrument |
| EP0248979A1 (en) * | 1986-06-06 | 1987-12-16 | Gambro Ab | Coupling component |
| EP0349745A1 (en) * | 1988-06-23 | 1990-01-10 | B. Braun Melsungen AG | Luer lock-type connector |
| EP0471574A1 (en) * | 1990-08-16 | 1992-02-19 | Pradip Vinodchandra Choksi | Taper fitting with protective skirt means |
| DE4429065A1 (en) * | 1994-08-17 | 1996-02-22 | Primed Medizintechnik Gmbh | Catheter or needle connection as shafted cap nut |
| US5702374A (en) * | 1995-11-14 | 1997-12-30 | Abbott Laboratories | Male luer connector assembly |
| CN1309574A (en) * | 1998-05-29 | 2001-08-22 | 劳伦斯A·林恩 | Luer receiver and method for fluid transfer |
| DE19833181C1 (en) * | 1998-07-23 | 2000-01-13 | Metallform Gmbh & Co Kg | Lockable plug connection for medical equipment |
| CN2619642Y (en) * | 2003-04-03 | 2004-06-09 | 苏州林华医疗器械有限公司 | Heparin cap with rotatable internal screw rand |
| CN101024101A (en) * | 2006-02-20 | 2007-08-29 | 佛山特种医用导管有限责任公司 | Remain-type infusion device |
| CN102428308A (en) * | 2009-03-22 | 2012-04-25 | 爱康医学农业合作协会有限公司 | Closed male luer connector |
| CN102802706A (en) * | 2009-06-24 | 2012-11-28 | 贝克顿迪金森法国公司 | Improved luer connector |
| CN202569055U (en) * | 2012-05-04 | 2012-12-05 | 苏州林华医疗器械有限公司 | Infusion apparatus with needleless connecting type indwelling needle |
| CN203263917U (en) * | 2013-04-16 | 2013-11-06 | 福建省百仕韦医用高分子股份有限公司 | Medical transfusion connector connected with external indwelling catheter |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014169429A1 (en) | 2014-10-23 |
| CN105228670A (en) | 2016-01-06 |
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