CA2635591A1 - Catheter connector assemblies and methods for attaching a catheter and luer assembly - Google Patents

Catheter connector assemblies and methods for attaching a catheter and luer assembly Download PDF

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Publication number
CA2635591A1
CA2635591A1 CA002635591A CA2635591A CA2635591A1 CA 2635591 A1 CA2635591 A1 CA 2635591A1 CA 002635591 A CA002635591 A CA 002635591A CA 2635591 A CA2635591 A CA 2635591A CA 2635591 A1 CA2635591 A1 CA 2635591A1
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CA
Canada
Prior art keywords
catheter
connector
proximal
lumen
end section
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
CA002635591A
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French (fr)
Other versions
CA2635591C (en
Inventor
David F. Waller
Jeremy Alexander Thomas
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.)
Cook Endoscopy
Original Assignee
Wilson-Cook Medical Inc.
David F. Waller
Jeremy Alexander Thomas
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 Wilson-Cook Medical Inc., David F. Waller, Jeremy Alexander Thomas filed Critical Wilson-Cook Medical Inc.
Publication of CA2635591A1 publication Critical patent/CA2635591A1/en
Application granted granted Critical
Publication of CA2635591C publication Critical patent/CA2635591C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0009—Making of catheters or other medical or surgical tubes
    • A61M25/0014—Connecting a tube to a hub
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
    • A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
    • A61M25/0026—Multi-lumen catheters with stationary elements

Abstract

Luer assemblies are provided having first and second connectors operatively coupled and securing tails of a proximal end section of a catheter disposed therebetween. A method for cutting a proximal end section of a catheter having distal and proximal ends is provided, a slit in the proximal end section exposing a catheter lumen and forming first and second tails having inner, outer, and peripheral engaging surfaces. Another method secures catheter tails disposed between operatively coupled first and second connectors, the first connector having a distal insert inserted into the exposed catheter lumen and a catheter engaging body about which the catheter tails are disposed, and the second connector having a catheter engaging body disposed about the catheter tails, wherein the connectors are configured to be operatively coupled to each other and to operatively couple the catheter tails disposed between the catheter engaging bodies of the first and second connectors.

Claims (26)

1. A luer assembly, comprising:
a first connector (20) having a catheter engaging body (31), a fastener (33), and a lumen (21');
a second connector (40) having a distal first end (42) and a proximal second end (44), a fastener (52), a catheter engaging body (53), a passageway (50), and a cavity (51) that accommodates the first connector catheter engaging body (31);
a catheter (60) having a distal first end (61), an elongate middle portion (62), a proximal second end section (63) comprising an end face (69), an opening (66, 67) at the end face (69) and an opening (56, 57) at or near the distal first end (61) defining a lumen (64, 65) therebetween; and a slit (70) across the proximal second end section opening (66, 67) of the end face (69) and the lumen (64, 65) and that extends longitudinally for a length (76) that forms at least two tails (72, 74), the catheter proximal second end section (63) being disposed within the second connector passageway (50) such that the catheter tails (72, 74) are disposed between the first connector catheter engaging body (31) and the second connector catheter engaging body (53);
wherein the first connector fastener (33) and second connector fastener (52) operatively couple the first connector (20) and the second connector (40) such that the catheter tails (72, 74) are operatively coupled between the first connector catheter engaging body (31) and the second connector catheter engaging body (53).
2. The device of claim 1 wherein the first connector (20) further comprises a distal insert (22) having a distal first end (23) comprising an opening (26) and a proximal second end (25) comprising an opening (27), the openings defining a lumen (21) therebetween, and the insert distal first end (22) being at least partially inserted within the catheter lumen (64, 65) at the catheter proximal second end section (63) such that the first connector lumen (21'), the insert lumen (21) and the catheter lumen (64, 65) are in fluid communication.
3. The device of claim 2 wherein the first connector distal insert further comprises a fastener (28) at or near the insert proximal second end (25), the insert fastener (28) engaging the catheter proximal second end section (63) within the catheter lumen (64, 65).
4. The device of claim 1 wherein the first tail (72) comprises a first inner engaging surface (78), a peripheral engaging surface (81, 81'), and an outer engaging surface (82), and the second tail (74) comprises a first inner engaging surface (84), a peripheral engaging surface (87, 87'), and an outer engaging surface (88).
5. The device of claim 1 wherein the first tail inner engaging surface (78) and second tail inner engaging surface (84) are disposed about the first connector catheter engaging body (31) and the first tail outer engaging surface (82) and second tail outer engaging surface (88) are disposed about the second connector catheter engaging body (53).
6. The device of claim 5 wherein the catheter (60) further comprises a second lumen (65) having an opening (67) at the end face (69) of the proximal second end section (63) and an opening (57) at or near the catheter distal end (61), the openings defining a lumen (65) therebetween.
7. The device of claim 6 wherein the slit (70) includes the second lumen opening (67) and second lumen (65) such that the first tail (72) further comprises a second inner engaging surface (80) and an interstitial engaging surface (79) positioned between the first and second inner engaging surfaces (78, 80) and such that the second tail (74) further comprises a second inner engaging surface (86) and an interstitial engaging surface (85) positioned between the first and second inner engaging surfaces (84, 86).
8. The device of claim 1 wherein the slit length (76) is at least about 2.0 mm and less than about 5.00 mm.
9. The device of claim 1 wherein the first connector (20) comprises a male luer fitting connector and the second connector (40) comprises a female luer fitting connector.
10. A method for attaching a catheter to a luer assembly, the method comprising the steps of:
providing (step 110) a first connector (20) having a catheter engaging body (31), a fastener (33), and a lumen (21');
providing (step 130) a second connector (40) having a distal first end (42) and a proximal second end (44), a fastener (52), a catheter engaging body (53), a passageway (50), and a cavity (51) that accommodates the first connector catheter engaging body (31);
providing (step 120) a catheter (60) having a distal first end (61), an elongate middle portion (62), a proximal second end section (63) comprising an end face (69), an opening (66, 67) at the end face (69) and an opening (56, 57) at or near the distal first end (61) defining a lumen (64, 65) therebetween, and a slit (70) across the proximal second end section opening (66, 67) of the end face (69) and the lumen (64, 65) and that extends longitudinally for a length (76) that forms at least two tails (72, 74), the catheter proximal second end section (63) being disposed within the second connector passageway (50) such that the catheter tails (72, 74) are disposed between the first connector catheter engaging body (31) and the second connector catheter engaging body (53); and operatively coupling (step 155) the first connector fastener (33) and second connector fastener (52) such that the catheter tails (72, 74) are operatively coupled between the first connector catheter engaging body (31) and the second connector catheter engaging body (53).
11. The method of claim 10 further comprising an inserting step (step 140) wherein the first connector (20) comprises a distal insert (22) having a distal first end (23) and a proximal second end (25) and the inserting step comprises inserting (step 140) the distal first end (23) into the catheter lumen (64, 65).
12. The method of claim 11 wherein the inserting step (step 140) further comprises the insert proximal second end (25) having a fastener (28) and the inserting step comprises inserting (step 140) the distal first end fastener (28) within the catheter lumen (64, 65) such that the insert proximal second end fastener (28) engages the catheter proximal second end section (63).
13. The method of claim 10 further comprising the step of disposing (step 150) the catheter first tail (72) and second tail (74) about the first connector catheter engaging body (31).
14. The method of claim 13 wherein the disposing step (step 150) includes catheter tails (72, 74) comprising inner engaging surfaces (78, 80, 84, 86), peripheral engaging surfaces (79, 81, 81', 85, 87, 87'), and outer engaging surfaces (82, 88) and the disposing step comprises disposing (step 150) at least one of the inner and peripheral engaging surfaces about the first connector catheter engaging body (31).
15. The method of claim 14 wherein the disposing step (step 150) further comprises disposing (step 150) the catheter tail outer engaging surfaces (82, 88) about the second connector catheter engaging body (53).
16. The method of claim 10 further comprising the step of moving (step 160) the second connector (40) over the first connector catheter engaging body (31) such that the second connector catheter engaging body (53) and first connector catheter engaging body (31) may operatively couple the catheter tails (72, 74) therebetween.
17. The method of claim 10 wherein operatively coupling the fasteners (33, 52) comprises rotating (step 170) at least one of the first and second connectors (20, 40) relative to the other.
18. The method of claim 10 further comprising the steps of cutting said catheter for the method of attaching said catheter to said luer assembly, the method comprising the steps of:
providing (step 210) a cutting tool (90);
providing (step 230) a catheter (60) comprising a distal first end (61), an elongate middle portion (62), a proximal second end section (63) having an end face (69), an opening (66, 67) at the end face (69) and an opening (56, 57) at or near the distal first end (61) define a lumen (64, 65) therebetween;

providing (step 220) a jig (92) comprising a catheter first guide (98) and a catheter second guide (99) configured to detachably secure the catheter proximal second end section (63) therebetween;
securing (step 240) the catheter second end section (63) to the jig (92);
cutting (step 250) the catheter proximal second end section (63) across the opening (66, 67) and lumen (64, 65) with the cutting tool (90) sufficient to form a slit (70) that extends longitudinally for a length (76) that exposes the catheter lumen (64, 65) and that forms at least two tails (72, 74) at the catheter proximal second end section (63), wherein the at least two tails (72, 74) comprise inner engaging surfaces (78, 80, 84, 86), peripheral engaging surfaces (79, 81, 81', 85, 87, 87'), and outer engaging surfaces (82, 88).
19. The method of claim 18 further comprising the step of detachably inserting (step 135) the catheter proximal second end section (63) between the catheter first guide (98) and the catheter second guide (99).
20. The method of claim 19 wherein the first and second guides (98, 99) are spaced apart and the securing step (step 240) further comprises the step of joining (step 115) the catheter first guide (98) and the catheter second guide (99) sufficient to engage the catheter proximal second end section (63) therebetween.
21. The method of claim 19 wherein the securing step (step 240) further comprises the step of clamping (step 117) the catheter first guide (98) and the catheter second guide (99) such that the catheter proximal second end section (63) is held therebetween.
22. The method of claim 19 wherein the securing step (step 240) further comprises a lever actuating step (step 116) wherein the jig (92) comprises a lever (95) and the lever actuating step (step 116) comprises actuating the lever and causing at least one of the catheter first and second guides (98, 99) to move toward the other so as to ensure that the catheter proximal second end section (63) is held between the catheter first guide (98) and the catheter second guide (99).
23. The method of claim 18 further comprising detachably disposing (step 135') the catheter proximal second end section (63) over an alignment pin (113, 114) received in the opening (64, 65) of the lumen (66, 67) of the catheter proximal second end section.
24. The method of claim 18 further comprising a positioning step (step 118) such that a positioning member (111) moves the catheter proximal second end section (63) into position for cutting.
25. The method of claim 24 further comprising a withdrawing step (step 122) wherein the positioning member (111) is moved sufficient to make room for providing (step 210) the cutting tool (90).
26. The method of claim 18 wherein the cutting step (step 250) further comprises a spacer plate (107) and the catheter second guide (99) being spaced apart by a slot (123) that is configured to receive a cutting edge (91) of the cutting tool (90) and corresponding to the length (76) of the catheter proximal second end section (63) to be cut into the at least two tails (72, 74), wherein the cutting step (step 250) moves the cutting edge (91) into the slot (123).
CA2635591A 2005-12-29 2006-12-22 Catheter connector assemblies and methods for attaching a catheter and luer assembly Active CA2635591C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US75572605P 2005-12-29 2005-12-29
US60/755,726 2005-12-29
PCT/US2006/048798 WO2007078992A1 (en) 2005-12-29 2006-12-22 Catheter connector assemblies and methods for attaching a catheter and luer assembly

Publications (2)

Publication Number Publication Date
CA2635591A1 true CA2635591A1 (en) 2007-07-12
CA2635591C CA2635591C (en) 2010-09-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
CA2635591A Active CA2635591C (en) 2005-12-29 2006-12-22 Catheter connector assemblies and methods for attaching a catheter and luer assembly

Country Status (7)

Country Link
US (1) US7601147B2 (en)
EP (1) EP1984055B1 (en)
JP (1) JP4746108B2 (en)
AT (1) ATE542562T1 (en)
AU (1) AU2006332947B2 (en)
CA (1) CA2635591C (en)
WO (1) WO2007078992A1 (en)

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Also Published As

Publication number Publication date
CA2635591C (en) 2010-09-21
US7601147B2 (en) 2009-10-13
WO2007078992A1 (en) 2007-07-12
JP4746108B2 (en) 2011-08-10
JP2009521992A (en) 2009-06-11
AU2006332947B2 (en) 2012-08-02
EP1984055B1 (en) 2012-01-25
US20070167931A1 (en) 2007-07-19
EP1984055A1 (en) 2008-10-29
ATE542562T1 (en) 2012-02-15
AU2006332947A1 (en) 2007-07-12

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