CA2230623A1 - Coextruded balloon and method of making same - Google Patents

Coextruded balloon and method of making same

Info

Publication number
CA2230623A1
CA2230623A1 CA002230623A CA2230623A CA2230623A1 CA 2230623 A1 CA2230623 A1 CA 2230623A1 CA 002230623 A CA002230623 A CA 002230623A CA 2230623 A CA2230623 A CA 2230623A CA 2230623 A1 CA2230623 A1 CA 2230623A1
Authority
CA
Canada
Prior art keywords
expander member
wall
nylon
polyamide
pet
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
CA002230623A
Other languages
French (fr)
Other versions
CA2230623C (en
Inventor
Robert E. Burgmeier
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 CA2230623A1 publication Critical patent/CA2230623A1/en
Application granted granted Critical
Publication of CA2230623C publication Critical patent/CA2230623C/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
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L29/00—Materials for catheters, medical tubing, cannulae, or endoscopes or for coating catheters
    • A61L29/04—Macromolecular materials
    • 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
    • A61M2025/1043—Balloon catheters with special features or adapted for special applications
    • A61M2025/1084—Balloon catheters with special features or adapted for special applications having features for increasing the shape stability, the reproducibility or for limiting expansion, e.g. containments, wrapped around fibres, yarns or strands
    • 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
    • A61M25/1038—Wrapping or folding devices for use with balloon catheters

Abstract

An expander member 12 for a balloon catheter 10 to be used in stent delivery applications comprises a double-walled tubular member that is adapted for attachment to a distal end portion of an elongated, flexible, tubular catheter body. The outer wall 30 is preferably a polyamide, such as Nylon-12, and the inner wall 28 is PET.
By properly controlling the percentage of the polyamide relative to the PET content, the distension characteristics of the resulting expander member can be tailored to fall in a range less than 15 percent. The outer Nylon-12 layer 30 provides the expander member 12 with high abrasion resistance. By appropriately temperature annealing the expander member, any tendency toward winging upon deflation thereof is reduced.
CA002230623A 1997-02-28 1998-02-26 Coextruded balloon and method of making same Expired - Fee Related CA2230623C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/810,162 US5769817A (en) 1997-02-28 1997-02-28 Coextruded balloon and method of making same
US08/810,162 1997-02-28

Publications (2)

Publication Number Publication Date
CA2230623A1 true CA2230623A1 (en) 1998-08-28
CA2230623C CA2230623C (en) 2002-06-04

Family

ID=25203175

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002230623A Expired - Fee Related CA2230623C (en) 1997-02-28 1998-02-26 Coextruded balloon and method of making same

Country Status (5)

Country Link
US (1) US5769817A (en)
EP (1) EP0868926B1 (en)
JP (1) JP4316697B2 (en)
CA (1) CA2230623C (en)
DE (1) DE69825348T2 (en)

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Also Published As

Publication number Publication date
CA2230623C (en) 2002-06-04
US5769817A (en) 1998-06-23
JPH10234845A (en) 1998-09-08
JP4316697B2 (en) 2009-08-19
EP0868926A3 (en) 1998-12-16
EP0868926B1 (en) 2004-08-04
EP0868926A2 (en) 1998-10-07
DE69825348D1 (en) 2004-09-09
DE69825348T2 (en) 2005-07-28

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20140226