CA2212490A1 - Deployable and retrievable shape memory stent/tube and method - Google Patents

Deployable and retrievable shape memory stent/tube and method

Info

Publication number
CA2212490A1
CA2212490A1 CA002212490A CA2212490A CA2212490A1 CA 2212490 A1 CA2212490 A1 CA 2212490A1 CA 002212490 A CA002212490 A CA 002212490A CA 2212490 A CA2212490 A CA 2212490A CA 2212490 A1 CA2212490 A1 CA 2212490A1
Authority
CA
Canada
Prior art keywords
tubular member
shape memory
treatment site
retrievable
deployable
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
CA002212490A
Other languages
French (fr)
Other versions
CA2212490C (en
Inventor
Michael J. Fine
Kenneth S. Solovay
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.)
Cordis Corp
Original Assignee
Cordis Corp
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 Cordis Corp filed Critical Cordis Corp
Publication of CA2212490A1 publication Critical patent/CA2212490A1/en
Application granted granted Critical
Publication of CA2212490C publication Critical patent/CA2212490C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/82Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/95Instruments specially adapted for placement or removal of stents or stent-grafts
    • A61F2/958Inflatable balloons for placing stents or stent-grafts
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2210/00Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2210/0014Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof using shape memory or superelastic materials, e.g. nitinol
    • A61F2210/0023Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof using shape memory or superelastic materials, e.g. nitinol operated at different temperatures whilst inside or touching the human body, heated or cooled by external energy source or cold supply

Abstract

A method for the deployment and retrieval of a tubular member. The method is achieved by first introducing a tubular member having a first diameter to a preselected treatment site, wherein said tubular member exhibits shape memory characteristics. The tubular member is then expanded to a second diameter at the treatment site and deployed at the treatment site. After a predetermined time, the tubular member is retrieved from the treatment site by causing the tubular member to return to its first diameter and withdrawing the tubular member from the treatment site. A tubular member with shape memory characteristics for use in accordance with the method is also provided.
CA002212490A 1996-08-08 1997-08-01 Deployable and retrievable shape memory stent/tube and method Expired - Lifetime CA2212490C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/693,708 1996-08-08
US08/693,708 US5800516A (en) 1996-08-08 1996-08-08 Deployable and retrievable shape memory stent/tube and method

Publications (2)

Publication Number Publication Date
CA2212490A1 true CA2212490A1 (en) 1998-02-08
CA2212490C CA2212490C (en) 2006-10-17

Family

ID=24785769

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002212490A Expired - Lifetime CA2212490C (en) 1996-08-08 1997-08-01 Deployable and retrievable shape memory stent/tube and method

Country Status (4)

Country Link
US (1) US5800516A (en)
EP (1) EP0823245B1 (en)
CA (1) CA2212490C (en)
DE (1) DE69729694T2 (en)

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DE69729694D1 (en) 2004-08-05
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EP0823245A1 (en) 1998-02-11
DE69729694T2 (en) 2005-08-18
CA2212490C (en) 2006-10-17

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