GB2089921A - Luer lock connection device - Google Patents

Luer lock connection device Download PDF

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Publication number
GB2089921A
GB2089921A GB8136326A GB8136326A GB2089921A GB 2089921 A GB2089921 A GB 2089921A GB 8136326 A GB8136326 A GB 8136326A GB 8136326 A GB8136326 A GB 8136326A GB 2089921 A GB2089921 A GB 2089921A
Authority
GB
United Kingdom
Prior art keywords
sleeve
luer connector
tubular body
connection device
lock connection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
GB8136326A
Other versions
GB2089921B (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Baxter International Inc
Original Assignee
Baxter Travenol Laboratories Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Baxter Travenol Laboratories Inc filed Critical Baxter Travenol Laboratories Inc
Publication of GB2089921A publication Critical patent/GB2089921A/en
Application granted granted Critical
Publication of GB2089921B publication Critical patent/GB2089921B/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
    • F16L33/34—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses with bonding obtained by vulcanisation, gluing, melting, or the like
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
    • F16L33/30—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses comprising parts inside the hoses only
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L37/00—Couplings of the quick-acting type
    • F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
    • F16L37/12—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members using hooks, pawls or other movable or insertable locking members
    • F16L37/133—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members using hooks, pawls or other movable or insertable locking members using flexible hooks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L47/00—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
    • F16L47/04—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics with a swivel nut or collar engaging the pipe
    • 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
    • A61M2039/1033—Swivel nut connectors, e.g. threaded connectors, bayonet-connectors
    • 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
    • A61M2039/1066—Tube connectors; Tube couplings having protection means, e.g. sliding sleeve to protect connector itself, shrouds to protect a needle present in the connector, protective housing, isolating sheath

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Pulmonology (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)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Pulleys (AREA)
  • Mechanical Operated Clutches (AREA)
  • Valve Device For Special Equipments (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

The device comprises a male luer connector having a tapered front end portion (28) for engaging in a bore of a female luer connector (12) of the type having an outer flange (18). A sleeve (20) has a resilient part slidable on the main body (32) of the male luer connector and has an internally screw-threaded part for screw- engaging the flange (18) on the female luer connector (12). The resilient part is rendered significantly resilient by means of a pair of opposite axial slots (40) therein. The body (32) may have projections for engagement in the slots (40) as the sleeve (20) is disengaged from the female connector (12) to facilitate disconnection of the connector. <IMAGE>

Description

(112)UK Patent Application (,,)GB(, 2 089 921 A
(21) Application No 8136326 (22) Date of filing 8 May 1980 Date lodged 2 Dec 1981 (30) Priority data (31) 44943 (32) 4 Jun 1979 (33) United States of America (US) (43) Application published 30 Jun 1982 (51) INT CL3 F16L 19106 (52) Domestic classification F2G 24E2 (56) Documents cited None (58) Field of search F2G (60) Derived frjdm Application No 615291 under Section 15(4) of the Patents Act
1977.
(71) Applicants Baxter Travenol Laboratories Inc., One Baxter Parkway, Deerfield, Illinois 60015, United States of America (72) Inventor (54) Luer lock connection device (57) The device comprises a male luer connector having a tapered front end portion (28) for engaging in a bore of a female luer connector (12) of the type having an outer flange (18). A sleeve (20) has a resilient part slidable on the main body (32) of the male-luer connector and has an internally ERRATA SPECIFICATION NO 2089921A screw-threaded part for screwengaging the flange (18) on the female lluer connector (7 2). The resilient Part is rendered significantly rexisailliesinottbsy(4mOe)atnhseroefina. The body (32) pair Of Opposite may have projections for engagement in the slots (40) as the sleeve (20) is disengaged from the female connector (12) to facilitate disconnection of the connector.
kt foot of Front page, insert The date of filing shown above is that provisionally accorded to the applicaion in accordance with the provisions of Section 15(4) of the Patents Act 1977 and is subject to ratification ir amendment at a later stage of the application proceedings.
age 2, line 39, after end. Start new paragraph insert New claims or amendments & claims filed on 5 Jan. 1982. Superseded claims 1-4. New or amended claims:- 1. A luer lock connection device which comprises: a male hier connector comprising a tubular body having a front end portion adapted for insetion into a female luer connector, a rear end portion adapted for coupling to tubing; and a main portion between the front end and rear end portions and separated from the front end portion by a sleeve-retaining member; a sleeve having a rear portion slidable along said main portion and having a front portion which is internally threaded and adapted for engaging an outer flange of the female luer connector; the rear portion of the sleeve having a slot and said tubular body carrying an outwardly extending flange reaiwardly of said main portion, said flange and slot being cooperative to prevent relative rotation of said sleeve and tubular body when the flange is within said slot.

Claims (4)

  1. 2. A luer lock connection device according to Claim 1, wherein the sleeve-
    retaining member comprises an outwardly extending ring carried by the tubular body, the rear portion of the sleeve having a smaller internal diameter than the external diameter of the sleeve-retaining member, so that the sleeve-retaining member prevents forward movement of the rear portion of the sleeve past a predeterntined point.
    3. A luer lock connection device according to Claim 1 or 2, wherein said slot has its widest portion at the rear end of said rear portion and tapers inwardly away from said rear end.
    THE PATENT OFFICE 5 August 1982 Bas 91669113 1 1 1 1 GB 2 089 921 A 1 SPECIFICATION Luer lock connection device The present invention concerns an improved luer lock connection device. Luer lock connectors are known in which the male luer connector carries an internally threaded outer sleeve to establish a cooperating threaded engagement with the female luer connector which is externally threaded or carries a radially extending flange.
    Some prior art luer lock connection devices have been found difficult to use because once the connection is made, disengagement of the male luer connector from the female luer connector is extremely difficult.
    The present invention provides a luer lock connection device which comprises a male luer connector comprising a tubular body having a front end portion adapted for insertion into a female luer connector, a rear end portion adapted for coupling to tubing; and a main portion between the front end and rear end portions and separated from the front end portion by a sleeveretaining member; a sleeve having a rear portion slidable along said main portion and having a front portion which is internally threaded and adapted for engaging an outer flange of the female luer connector; the rear portion of the sleeve having a slot to render said rear portion significantly resilient.
    Preferably, the tubular body carries an outwardly extending flange rearwardly of the main portion and cooperative with the slot to prevent relative rotation of the sleeve and the tubular body when the flange is within the slot.
    In the illustrative embodiment, the sleeve retaining member comprises an outwardly extending ring carried by the tubular body. The rear portion of the sleeve has a smaller internal diameter than the external diameter of the outwardly extending ring so that the outwardly extending ring prevents forward movement of the rear portion of the sleeve past a predetermined point.
    Reference is now made to the accompanying drawings, wherein:- Figure 1 is a perspective view of a luer lock connection device, constructed in accordance with the present invention, together with a female luer connector; Figure 2 is a cross-sectional elevation of the 115 device of Figure 1; and Figure 3 is an enlarged cross-sectional elevation of a sleeve of the device of Figures 1 and 2 and its connection to the female luer connector.
    Referring to the Figures, there are shown in Figure 1 a luer lock connection device, having a male luer connector 10 and a sleeve 20, and a female luer connector 12. Female luer connector 12 is of the type in which the main body 14 has a bore 16 and a flange 18 surrounds bore 16 and extends radially from main body 14. The length of flange 18 is such that it threadedly cooperates with internal threads of the sleeve 20. Plastics tubing 22 is secured to main body 14 by pressure and solvent sealing as is well-known in the art.
    Male luer connector 10 has a tubular body 24 which defines a bore 26 and comprises a front portion 28 contiguous with front end 30 which is adapted for insertion into bore 16 of female luer connector 12. The external surface of front portion 28 is dimensioned so as to provide a snug pressure fit within bore 16.
    Tubular body 24 also includes a main portion 32 that is separated from front portion 28 by a sleeve-retaining member 34. In the illustrative embodiment, sleeve-retaining member 34 comprises an outwardly extending ring carried by tubular body 24.
    The rear end 36 of tubular body 24 is coupled to plastics tubing with a pressure fit and with solvent bonding. A pair of opposed flanges 38, 39 extend outwardly from tubular body 24 adjacent rear end 36 for cooperation with slots 40 defined by sleeve 20 as discussed below.
    Sleeve 20 has a front portion 42 that is internally threaded for threaded cooperation with flange 18, and a rear portion 44 that has a smaller internal diameter than the external diameter of ring 34. Thus, ring 34 serves to prevent sleeve 20 from moving forward past the position illustrated in Figure 2.
    Rear portion 44 has a rear end portion 46 with an inner surface 48 that forms a wiper seal against the surface of main portion 32. Main portion 32 is tapered outwardly in the forward direction so that as sleeve 20 moves forwardly, there will be increased compression between inner surface 48 and the surface of main portion 32. This structure provides an excellent fluid seal.
    As stated above, rear portion 44 of sleeve 20 defines slots 40 which, as illustrated most clearly in Figures 1 and 3, have their widest portion at the rear end 46 of the rear portion 44 and taper inwardly forwardly. These generally V-shaped slots aid in giving the sleeve the proper resilience for movement along main portion 32. In addition, when sleeve 20 is unscrewed from flange 18, flanges 38 and 39 will catch within slots 40 and relative rotation between sleeve 20 and tubular body 24 will be prevented. Prevention of such relative rotation is significant because otherwise it would be extremely difficult to remove male luer connector 10 from female luer connector 12 once the luer connectors are coupled together.
    It is desirable that the luer lock connection device be formed in a plastics moulded construction. Sleeve 20 may carry a pair of wings for enabling grasping by the operator for easy insertion and removal of the male luer connector 10 from the female luer connector 12.
    It can be seen that inner surface 48 forms a wiper seal or a ring seal which is compressed by the forward movement of sleeve 20 along main body portion 32. The seal formed by inner surface 48 is mated to sleeve 20 so that the sleeve is selfcentering. By use of the aforesaid structure an excellent fluid-tight seal is provided, with the sleeve and tubular member having cooperating means to prevent relative rotation when GB 2 089 921 A 2 disconnection of the block is desired.
    Performance of the invention described above involves use of the invention described and claimed in U.K. patent specification No. 2055166.
    CLAIMS 1. A luer lock connection device which comprises: a male luer connector comprising a tubular body having a front end portion adapted for insertion into a female luer connector, a rear end portion adapted for coupling to tubing; and a main portion between the front end and rear end portions and separated from the front end portion by a sleeve-retaining member; a sleeve having a rear portion slidable along said main portion and having a front portion which is internally threaded 35 and adapted for engaging an outer flange of the female luer connector; the rear portion of the sleeve having a slot to render said rear portion significantly resilient.
  2. 2. A luer lock connection device according to Claim 1, wherein said tubular body carries an outwardly extending flange rearwardly of said main portion, said flange and slot being cooperative to prevent relative rotation of said sleeve and tubular body when the flange is within said slot.
  3. 3. A luer lock connection device according to Claim 2, wherein the sleeve-retaining member comprises an outwardly extending ring carried by the tubular body, the rear portion of the sleeve having a smaller internal diameter than the external diameter of the sleeve-retaining member, so that the sleeve-retaining member prevents forward movement of the rear portion of the sleeve past a predetermined point.
  4. 4. A luer lock connection device according to Claim 1, 2 or 3, wherein said slot has its widest portion at the rear end of said rear portion and tapers inwardly away from said rear end.
    Printed for Her Majesty's Stationery Office by the Courier Press, Leamington Spa, 1982. Published by the Patent Office, 25 Southampton Buildings, London, WC2A lAY, from which copies may be obtained.
    3 d' w
GB8136326A 1979-06-04 1980-05-08 Luer lock connection device Expired GB2089921B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US4494379A 1979-06-04 1979-06-04

Publications (2)

Publication Number Publication Date
GB2089921A true GB2089921A (en) 1982-06-30
GB2089921B GB2089921B (en) 1983-08-03

Family

ID=21935176

Family Applications (2)

Application Number Title Priority Date Filing Date
GB8136326A Expired GB2089921B (en) 1979-06-04 1980-05-08 Luer lock connection device
GB8015291A Expired GB2055166B (en) 1979-06-04 1980-05-08 Luer lock connection device

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB8015291A Expired GB2055166B (en) 1979-06-04 1980-05-08 Luer lock connection device

Country Status (10)

Country Link
AU (1) AU538660B2 (en)
BE (1) BE883615A (en)
CA (1) CA1133966A (en)
DE (1) DE3019417A1 (en)
DK (1) DK224680A (en)
ES (1) ES251065Y (en)
FR (1) FR2458734B1 (en)
GB (2) GB2089921B (en)
NO (1) NO155214C (en)
SE (1) SE452185B (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4526572A (en) * 1982-06-30 1985-07-02 The Boots Company Plc Medical connector
EP0204311A2 (en) * 1985-06-03 1986-12-10 Hewlett-Packard Company Non-loosening leur nut
US4668217A (en) * 1981-06-23 1987-05-26 Terumo Kabushiki Kaisha Connector for therapeutic tubing and medical solution bag device using the connector
EP0281410A2 (en) * 1987-03-06 1988-09-07 Hewlett-Packard Company Plastic molding of a nut
EP0349745A1 (en) * 1988-06-23 1990-01-10 B. Braun Melsungen AG Luer lock-type connector
EP2027884A3 (en) * 2007-08-24 2009-03-04 Covidien AG Locking connector

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4597758A (en) * 1982-09-21 1986-07-01 Baxter Travenol Laboratories, Inc. Sealing closure for a Luer fitting in open communication with a pressurized liquid supply
GB8324281D0 (en) * 1983-09-10 1983-10-12 Smith & Nephew Ass Rotating luer lock
US4932398A (en) * 1988-12-23 1990-06-12 Dentsply Limited Anaesthetic vaporizer interlock system and connector for anaesthetic apparatus
ITTO20010140A1 (en) 2001-02-16 2002-08-16 Borla Ind MALE LUER LOCK CONNECTOR FOR MEDICAL FLUID LINES.
SG115396A1 (en) * 2001-08-22 2005-10-28 Borla Ind Male luer-lock connector for medical fluid lines
US7507230B2 (en) 2002-02-19 2009-03-24 Boston Scientific Scimed, Inc. Medical catheter assembly including multi-piece connector
US6802836B2 (en) 2002-02-19 2004-10-12 Scimed Life Systems, Inc. Low profile adaptor for use with a medical catheter
FR2845921A1 (en) * 2002-10-16 2004-04-23 Vygon Connector and lock for tubes used in medicine has lock capable of transverse elastic deformation to grip female component of connector
USD937411S1 (en) 2019-08-30 2021-11-30 Fisher & Paykel Healthcare Limited Unit end connector

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1204896B (en) * 1963-04-08 1965-11-11 Simca Ind Soc An Tube fitting
GB1174948A (en) * 1966-08-08 1969-12-17 Quickfit & Quartz Ltd Improvements in or relating to Tube Couplings
NL7202310A (en) * 1971-03-01 1972-09-05
JPS4976114U (en) * 1972-10-19 1974-07-02
US3876234A (en) * 1973-01-11 1975-04-08 Extracorporeal Med Spec Twist-lock connector
FR2395037A1 (en) * 1977-06-24 1979-01-19 Peters Ligatures Connector socket for intravenous catheter tube - has hollow metallic mandrel with deformable elastic central component fitting into conical holder to prevent accidental disconnection
CA1099171A (en) * 1977-07-18 1981-04-14 Glenn N. Taylor Adapter assembly

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4668217A (en) * 1981-06-23 1987-05-26 Terumo Kabushiki Kaisha Connector for therapeutic tubing and medical solution bag device using the connector
US4820288A (en) * 1981-06-23 1989-04-11 Terumo Kabushiki Kaisha Connector for therapeutic tubing and medical solution bag device using the connector
US4526572A (en) * 1982-06-30 1985-07-02 The Boots Company Plc Medical connector
EP0204311A2 (en) * 1985-06-03 1986-12-10 Hewlett-Packard Company Non-loosening leur nut
EP0204311A3 (en) * 1985-06-03 1987-07-22 Hewlett-Packard Company Non-loosening leur nut
EP0281410A2 (en) * 1987-03-06 1988-09-07 Hewlett-Packard Company Plastic molding of a nut
EP0281410A3 (en) * 1987-03-06 1989-10-18 Hewlett-Packard Company Plastic molding of a nut
EP0349745A1 (en) * 1988-06-23 1990-01-10 B. Braun Melsungen AG Luer lock-type connector
EP2027884A3 (en) * 2007-08-24 2009-03-04 Covidien AG Locking connector

Also Published As

Publication number Publication date
NO155214B (en) 1986-11-17
CA1133966A (en) 1982-10-19
FR2458734B1 (en) 1985-06-07
BE883615A (en) 1980-10-01
NO801477L (en) 1980-12-05
DK224680A (en) 1980-12-05
ES251065U (en) 1981-02-16
DE3019417A1 (en) 1980-12-11
SE8003664L (en) 1980-12-05
GB2055166B (en) 1983-07-27
GB2089921B (en) 1983-08-03
ES251065Y (en) 1981-08-01
AU5833780A (en) 1980-12-11
NO155214C (en) 1987-02-25
SE452185B (en) 1987-11-16
FR2458734A1 (en) 1981-01-02
GB2055166A (en) 1981-02-25
AU538660B2 (en) 1984-08-23

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