CA2194734A1 - Laser ablation of angioplasty catheters and balloons - Google Patents

Laser ablation of angioplasty catheters and balloons

Info

Publication number
CA2194734A1
CA2194734A1 CA002194734A CA2194734A CA2194734A1 CA 2194734 A1 CA2194734 A1 CA 2194734A1 CA 002194734 A CA002194734 A CA 002194734A CA 2194734 A CA2194734 A CA 2194734A CA 2194734 A1 CA2194734 A1 CA 2194734A1
Authority
CA
Canada
Prior art keywords
balloon
stems
section
wall thickness
medial
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
CA002194734A
Other languages
French (fr)
Other versions
CA2194734C (en
Inventor
Michael R. Forman
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.)
Schneider USA Inc
Original Assignee
Schneider USA 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 Schneider USA Inc filed Critical Schneider USA Inc
Publication of CA2194734A1 publication Critical patent/CA2194734A1/en
Application granted granted Critical
Publication of CA2194734C publication Critical patent/CA2194734C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • A61M25/10—Balloon catheters
    • A61M25/1027—Making of balloon catheters
    • A61M25/1029—Production methods of the balloon members, e.g. blow-moulding, extruding, deposition or by wrapping a plurality of layers of balloon material around a mandril
    • 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
    • A61M25/10—Balloon catheters
    • A61M25/104—Balloon catheters used for angioplasty
    • 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
    • A61M25/10—Balloon catheters
    • A61M25/1027—Making of balloon catheters
    • A61M25/1029—Production methods of the balloon members, e.g. blow-moulding, extruding, deposition or by wrapping a plurality of layers of balloon material around a mandril
    • A61M2025/1031—Surface processing of balloon members, e.g. coating or deposition; Mounting additional parts onto the balloon member's surface

Abstract

A dilatation balloon (20,98) is fabricated according to a process that yields high hoop strength and uniformity in balloon wall thickness. A length of tubing (34) is axially elongated and radially expanded in a form (36) to provide the requisite biaxial orientation and strength. Then, an excimer laser (46,66,84) is used to remove the polymeric material by photo-chemical ablation, virtually without thermal effects. Dilatation balloon walls are thinned primarily along tapered sections (26,28) between proximal and distal balloon stems (30,32) and a medial working section (24) of the balloon.
Material removal, particularly near the balloon stems, enables tighter wrapping of the balloon for a reduced delivery profile, and reduces rigidity near the stems for better maneuverability of the catheter in tortuous passageways. The balloon tapered sections are reduced to a wall thickness substantially equal to that of the medial section. Alternatively, an array of grooves (96) is formed in each tapered section.
CA002194734A 1996-01-11 1997-01-09 Laser ablation of angioplasty catheters and balloons Expired - Fee Related CA2194734C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/582,371 US5733301A (en) 1996-01-11 1996-01-11 Laser ablation of angioplasty catheters and balloons
US08/582,371 1996-01-11

Publications (2)

Publication Number Publication Date
CA2194734A1 true CA2194734A1 (en) 1997-07-12
CA2194734C CA2194734C (en) 2001-04-10

Family

ID=24328891

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002194734A Expired - Fee Related CA2194734C (en) 1996-01-11 1997-01-09 Laser ablation of angioplasty catheters and balloons

Country Status (8)

Country Link
US (2) US5733301A (en)
EP (1) EP0783897B1 (en)
JP (2) JPH09192227A (en)
AT (1) ATE270568T1 (en)
AU (1) AU1011397A (en)
CA (1) CA2194734C (en)
DE (1) DE69632855T2 (en)
MX (1) MX9700334A (en)

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Also Published As

Publication number Publication date
EP0783897A3 (en) 1999-08-25
EP0783897A2 (en) 1997-07-16
CA2194734C (en) 2001-04-10
EP0783897B1 (en) 2004-07-07
MX9700334A (en) 1998-04-30
ATE270568T1 (en) 2004-07-15
JP2007098163A (en) 2007-04-19
DE69632855D1 (en) 2004-08-12
US5826588A (en) 1998-10-27
US5733301A (en) 1998-03-31
DE69632855T2 (en) 2005-07-14
JPH09192227A (en) 1997-07-29
JP4795976B2 (en) 2011-10-19
AU1011397A (en) 1997-07-17

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