WO2001045782A2 - Catheter having a reinforcing mandrel - Google Patents

Catheter having a reinforcing mandrel Download PDF

Info

Publication number
WO2001045782A2
WO2001045782A2 PCT/US2000/034169 US0034169W WO0145782A2 WO 2001045782 A2 WO2001045782 A2 WO 2001045782A2 US 0034169 W US0034169 W US 0034169W WO 0145782 A2 WO0145782 A2 WO 0145782A2
Authority
WO
WIPO (PCT)
Prior art keywords
mandrel
catheter
tubular member
lumen
proximal
Prior art date
Application number
PCT/US2000/034169
Other languages
French (fr)
Other versions
WO2001045782A3 (en
Inventor
Jeong Soo Lee
Tim Geiser
Sandra K. Schenck
Terry Freeman
Cheri Stiger
Fozan El-Nounou
Original Assignee
Advanced Cardiovascular Systems, 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 Advanced Cardiovascular Systems, Inc. filed Critical Advanced Cardiovascular Systems, Inc.
Priority to AU22704/01A priority Critical patent/AU2270401A/en
Priority to JP2001546720A priority patent/JP4249925B2/en
Publication of WO2001045782A2 publication Critical patent/WO2001045782A2/en
Publication of WO2001045782A3 publication Critical patent/WO2001045782A3/en

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M25/00Catheters; Hollow probes
    • A61M25/0021Catheters; Hollow probes characterised by the form of the tubing
    • A61M25/0023Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
    • A61M25/0026Multi-lumen catheters with stationary elements
    • A61M25/0029Multi-lumen catheters with stationary elements characterized by features relating to least one lumen located at the middle part of the catheter, e.g. slots, flaps, valves, cuffs, apertures, notches, grooves or rapid exchange ports
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M25/00Catheters; Hollow probes
    • A61M25/0021Catheters; Hollow probes characterised by the form of the tubing
    • A61M25/0023Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
    • A61M25/0026Multi-lumen catheters with stationary elements
    • A61M25/0032Multi-lumen catheters with stationary elements characterized by at least one unconventionally shaped lumen, e.g. polygons, ellipsoids, wedges or shapes comprising concave and convex parts
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M25/00Catheters; Hollow probes
    • A61M2025/0004Catheters; Hollow probes having two or more concentrically arranged tubes for forming a concentric catheter system
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M25/00Catheters; Hollow probes
    • A61M25/0043Catheters; Hollow probes characterised by structural features
    • A61M25/0054Catheters; Hollow probes characterised by structural features with regions for increasing flexibility

Abstract

A catheter having a mandrel secured to the catheter or constrained within a dedicated lumen. In one embodiment, the catheter has an inner tubular member and an outer tubular member with a sidewall configured to define a mandrel lumen longitudinally along an inner surface of the outer tubular member or along an outer surface of the inner tubular member. The mandrel lumen may be configured to allow the mandrel to be exchanged to adjust the handling characteristics of the catheter. The mandrel may occupy an intermediate portion of the catheter shaft, or may extend from the proximal end to within proximal or distal shaft sections of the catheter. In coronary artery applications, the mandrel is configured to support the catheter as it bends through the aortic arch and enters the coronary artery.

Claims

14WHAT IS CLAIMED IS:
1 . A catheter for performing an intravascular procedure, comprising a catheter shaft having a) an inner tubular member defining a first lumen; b) an outer tubular member disposed about the inner tubular member to form a second lumen; and c) a side wall which extends longitudinally within the second lumen and which defines a third lumen configured to receive a mandrel.
2. The catheter of claim 1 wherein the sidewall extends along an outer surface of at least a portion of the inner tubular member.
3. The catheter of claim 1 wherein the sidewall extends along an inner surface of at least a portion of the outer tubular member.
4. The catheter of claim 3 including a mandrel secured within the mandrel lumen.
5. The catheter of claim 4, wherein the mandrel has tapered ends.
6. The catheter of claim 5, wherein the tapered ends of the mandrel are about 1 to about 7 centimeters long.
7. The catheter of claim 4, wherein the mandrel is about 7 to about 1 20 centimeters long.
8. The catheter of claim 4, wherein the mandrel is secured within the mandrel lumen by heat deformation of the sidewall. 15
9. The catheter of claim 4, wherein the mandrel has a proximal end and a distal end and is secured to the outer tubular member at a point adjacent the proximal end of the mandrel and at a point adjacent the distal end of the mandrel.
1 0. The catheter of claim 4, wherein the mandrel has a proximal end, a distal end, and a length extending therebetween, and the mandrel is secured to the outer tubular member along the length of the mandrel.
1 1 . The catheter of claim 4 wherein the mandrel lumen is annular and has an inner diameter which is not substantially larger than an outer diameter of the mandrel.
1 2. The catheter of claim 3 wherein the mandrel lumen proximal end is distal to the proximal end of the catheter outer tubular member.
1 3. The catheter of claim 1 2, wherein the mandrel lumen is about 0.5 to about 1 5 centimeters long.
1 4. The catheter of claim 1 2 wherein the outer tubular member has a proximal portion, a distal portion, and an intermediate portion therebetween, and wherein the mandrel lumen is within the intermediate portion.
1 5. The catheter of claim 14, wherein the intermediate portion with the mandrel within the mandrel lumen therein is relatively more stiff than the proximal portion and the distal portion.
1 6. The catheter of claim 3 wherein the mandrel lumen extends to the proximal end of the outer tubular member. 16
1 7. The catheter of claim 1 6 wherein the mandrel lumen is about 1 10 to about 1 25 cm long.
1 8. The catheter of claim 1 6 including a mandrel disposed within the mandrel lumen.
1 9. The catheter of claim 1 6, wherein the mandrel is exchangeable.
20. A balloon catheter for performing an intravascular procedure comprising an inner tubular member defining a guidewire lumen and an outer tubular member disposed about the inner tubular member to define an inflation lumen, wherein the outer tubular member comprises: a) a proximal portion; b) a distal portion having an inflatable member in fluid communication with the inflation lumen; and c) an intermediate portion having a sidewall defining a mandrel lumen extending longitudinally along an inner surface of the outer tubular member; and d) a mandrel in the mandrel lumen.
21 . The catheter of claim 20, wherein the mandrel is formed from a material selected from the group consisting of stainless steel, nickel titanium PEEK, PEI, nylon, and reinforced composite rod.
22. The catheter of claim 21 wherein the mandrel length is about
25% to about 95% less than a length of the catheter length.
23. A catheter for performing an intravascular procedure, comprising a) a catheter shaft having an inner tubular member defining a guidewire lumen and an outer tubular member disposed about the inner tubular member to form an inflation lumen; and 17
b) a mandrel having a proximal end, a distal end, and a length, the mandrel being disposed within the outer tubular member and secured to the catheter shaft at least at the proximal end and the distal end of the mandrel.
24. The catheter of claim 23 wherein the mandrel is secured to the catheter shaft along the length of the mandrel from the proximal end to the distal end of the mandrel.
25. The catheter of claim 23, wherein the mandrel is secured to an inner surface of the outer tubular member.
26. The catheter of claim 23, wherein the mandrel is secured to an outer surface of the inner tubular member.
27. A balloon catheter for performing an intravascular procedure comprising: a) an elongated proximal tubular member defining a first inflation lumen, and having a sidewall defining a mandrel lumen extending longitudinally along an inner surface of the proximal tubular member within the first inflation lumen; b) an inner tubular member defining a guidewire lumen, having a proximal end disposed adjacent to a portion of the proximal tubular member, and a distal end; c) a distal tubular member defining a second inflation lumen and having a proximal end disposed over the adjacent inner tubular member and the proximal tubular member so that the first and second inflation lumens are in communication, and a distal end; and d) an inflatable member secured to the distal tubular member in communication with the first and second inflation lumens. 18
28. The catheter of claim 27 wherein the inner tubular member proximal end is proximal to the distal end of the mandrel lumen.
29. The catheter of claim 27 having a support mandrel disposed within the mandrel lumen.
30. The catheter of claim 29 wherein the distal end of the mandrel is proximal to the distal end of the distal tubular member.
PCT/US2000/034169 1999-12-22 2000-12-14 Catheter having a reinforcing mandrel WO2001045782A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU22704/01A AU2270401A (en) 1999-12-22 2000-12-14 Catheter having a reinforcing mandrel
JP2001546720A JP4249925B2 (en) 1999-12-22 2000-12-14 Catheter with reinforced mandrel

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/470,519 1999-12-22
US09/470,519 US6733486B1 (en) 1999-12-22 1999-12-22 Catheter having a reinforcing mandrel

Publications (2)

Publication Number Publication Date
WO2001045782A2 true WO2001045782A2 (en) 2001-06-28
WO2001045782A3 WO2001045782A3 (en) 2002-01-03

Family

ID=23867931

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2000/034169 WO2001045782A2 (en) 1999-12-22 2000-12-14 Catheter having a reinforcing mandrel

Country Status (4)

Country Link
US (2) US6733486B1 (en)
JP (2) JP4249925B2 (en)
AU (1) AU2270401A (en)
WO (1) WO2001045782A2 (en)

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JP2013017717A (en) * 2011-07-13 2013-01-31 Asahi Intecc Co Ltd Catheter

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Also Published As

Publication number Publication date
JP2007014820A (en) 2007-01-25
US7351238B2 (en) 2008-04-01
JP4249925B2 (en) 2009-04-08
US20040082935A1 (en) 2004-04-29
AU2270401A (en) 2001-07-03
US6733486B1 (en) 2004-05-11
JP2003517897A (en) 2003-06-03
WO2001045782A3 (en) 2002-01-03

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