CA2286905A1 - Manufacture of two-way shape memory devices - Google Patents

Manufacture of two-way shape memory devices Download PDF

Info

Publication number
CA2286905A1
CA2286905A1 CA002286905A CA2286905A CA2286905A1 CA 2286905 A1 CA2286905 A1 CA 2286905A1 CA 002286905 A CA002286905 A CA 002286905A CA 2286905 A CA2286905 A CA 2286905A CA 2286905 A1 CA2286905 A1 CA 2286905A1
Authority
CA
Canada
Prior art keywords
manufacture
shape memory
way shape
memory devices
way
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
CA002286905A
Other languages
French (fr)
Other versions
CA2286905C (en
Inventor
Joseph Flomenblit
Nathaly Budigina
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.)
Litana Ltd
Original Assignee
Litana Ltd.
Joseph Flomenblit
Nathaly Budigina
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 Litana Ltd., Joseph Flomenblit, Nathaly Budigina filed Critical Litana Ltd.
Priority claimed from PCT/IL1997/000134 external-priority patent/WO1998049363A1/en
Publication of CA2286905A1 publication Critical patent/CA2286905A1/en
Application granted granted Critical
Publication of CA2286905C publication Critical patent/CA2286905C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/006—Resulting in heat recoverable alloys with a memory effect
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS 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
    • A61F2/00—Filters 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
    • A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS 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
    • A61F2210/00—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2210/0014—Particular 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
    • A61F2210/0023—Particular 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 process is provided for the manufacture of a two-way shape memory alloy and device. The process of the invention allows a reversible adjustment of the characteristic transformation temperatures, as well as the direction of the two-way shape memory effect, at the final stage of manufacture.
CA002286905A 1997-04-25 1997-04-25 Manufacture of two-way shape memory devices Expired - Fee Related CA2286905C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IL1997/000134 WO1998049363A1 (en) 1995-05-02 1997-04-25 Manufacture of two-way shape memory devices

Publications (2)

Publication Number Publication Date
CA2286905A1 true CA2286905A1 (en) 1998-11-05
CA2286905C CA2286905C (en) 2008-01-15

Family

ID=11061996

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002286905A Expired - Fee Related CA2286905C (en) 1997-04-25 1997-04-25 Manufacture of two-way shape memory devices

Country Status (5)

Country Link
JP (1) JP3943142B2 (en)
AT (1) ATE270719T1 (en)
AU (1) AU742141B2 (en)
CA (1) CA2286905C (en)
DE (1) DE69729807T2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7192496B2 (en) * 2003-05-01 2007-03-20 Ati Properties, Inc. Methods of processing nickel-titanium alloys
WO2011062970A1 (en) * 2009-11-17 2011-05-26 Johnson William B Improved fatigue-resistant nitinol instrument
CN105658183B (en) 2013-05-23 2018-11-27 Sts医疗有限公司 Shape changes structure
WO2016084087A2 (en) 2014-11-26 2016-06-02 S.T.S. Medical Ltd. Shape change structure for treatment of nasal conditions including sinusitis

Also Published As

Publication number Publication date
JP2001525013A (en) 2001-12-04
ATE270719T1 (en) 2004-07-15
CA2286905C (en) 2008-01-15
AU742141B2 (en) 2001-12-20
AU2402397A (en) 1998-11-24
JP3943142B2 (en) 2007-07-11
DE69729807T2 (en) 2005-07-14
DE69729807D1 (en) 2004-08-12

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Legal Events

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