WO2002036841A3 - Heat treatment for cold worked nitinol to impart a shape setting capability without eventually developing stress-induced martensite - Google Patents

Heat treatment for cold worked nitinol to impart a shape setting capability without eventually developing stress-induced martensite Download PDF

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Publication number
WO2002036841A3
WO2002036841A3 PCT/US2001/031642 US0131642W WO0236841A3 WO 2002036841 A3 WO2002036841 A3 WO 2002036841A3 US 0131642 W US0131642 W US 0131642W WO 0236841 A3 WO0236841 A3 WO 0236841A3
Authority
WO
WIPO (PCT)
Prior art keywords
nitinol
cold worked
linear pseudoelastic
induced martensite
impart
Prior art date
Application number
PCT/US2001/031642
Other languages
French (fr)
Other versions
WO2002036841A2 (en
Inventor
John Francis Boylan
Lin Zhi Cheng
Original Assignee
Advanced Cardiovascular System
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 System filed Critical Advanced Cardiovascular System
Priority to DE60133027T priority Critical patent/DE60133027D1/en
Priority to JP2002539580A priority patent/JP2004512881A/en
Priority to AU2001296766A priority patent/AU2001296766A1/en
Priority to EP01977665A priority patent/EP1332236B1/en
Publication of WO2002036841A2 publication Critical patent/WO2002036841A2/en
Publication of WO2002036841A3 publication Critical patent/WO2002036841A3/en

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
    • C22F1/10—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon
    • 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
    • A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
    • A61L31/02—Inorganic materials
    • A61L31/022—Metals or alloys
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C19/00—Alloys based on nickel or cobalt
    • C22C19/03—Alloys based on nickel or cobalt based on nickel
    • 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
    • A61F2/01—Filters implantable into blood vessels
    • A61F2002/018—Filters implantable into blood vessels made from tubes or sheets of material, e.g. by etching or laser-cutting
    • 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
    • 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
    • A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0002—Two-dimensional shapes, e.g. cross-sections
    • A61F2230/0004—Rounded shapes, e.g. with rounded corners
    • A61F2230/0006—Rounded shapes, e.g. with rounded corners circular
    • 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
    • A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0063—Three-dimensional shapes
    • A61F2230/0067—Three-dimensional shapes conical
    • 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
    • A61L2400/00—Materials characterised by their function or physical properties
    • A61L2400/16—Materials with shape-memory or superelastic properties
    • 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
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/09—Guide wires
    • A61M2025/09133—Guide wires having specific material compositions or coatings; Materials with specific mechanical behaviours, e.g. stiffness, strength to transmit torque
    • A61M2025/09141—Guide wires having specific material compositions or coatings; Materials with specific mechanical behaviours, e.g. stiffness, strength to transmit torque made of shape memory alloys which take a particular shape at a certain temperature

Abstract

Cold worked nickel-titanium alloys that have linear pseudoelastic behavior without a phase transformation or onset of stress-induced martensite as applied to a medical device having a strut formed body deployed from a sheath is disclosed. In one application, am embolic protection device that employs a linear pseudoelastic nitinol self-expanding strut assembly with a small profile delivery system for use with interventional procedures is disclosed. The expandable strut assembly is covered with a filter element and both are compressed into a restraining sheath for delivery to a deployment site downstream and distal to an interventional procedure. Once at the desired site, the restraining sheath is retracted to deploy the embolic protection device, which captures flowing emboli generated during the interventional procedure. Linear pseudoelastic nitinol is used in the medical device as distinct from non-linear pseudoelastic (i.e., superelastic) nitinol.
PCT/US2001/031642 2000-11-02 2001-10-09 Heat treatment for cold worked nitinol to impart a shape setting capability without eventually developing stress-induced martensite WO2002036841A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE60133027T DE60133027D1 (en) 2000-11-02 2001-10-09 TREATMENT OF COLD-WORKED NITINOL
JP2002539580A JP2004512881A (en) 2000-11-02 2001-10-09 Heat treatment for imparting predetermined shape setting ability to cold-worked nitinol without developing stress-induced martensite
AU2001296766A AU2001296766A1 (en) 2000-11-02 2001-10-09 Heat treatment for cold worked nitinol to impart a shape setting capability without eventually developing stress-induced martensite
EP01977665A EP1332236B1 (en) 2000-11-02 2001-10-09 Treatment for cold worked nitinol

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/705,422 US7976648B1 (en) 2000-11-02 2000-11-02 Heat treatment for cold worked nitinol to impart a shape setting capability without eventually developing stress-induced martensite
US09/705,422 2000-11-02

Publications (2)

Publication Number Publication Date
WO2002036841A2 WO2002036841A2 (en) 2002-05-10
WO2002036841A3 true WO2002036841A3 (en) 2002-08-15

Family

ID=24833385

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/031642 WO2002036841A2 (en) 2000-11-02 2001-10-09 Heat treatment for cold worked nitinol to impart a shape setting capability without eventually developing stress-induced martensite

Country Status (7)

Country Link
US (1) US7976648B1 (en)
EP (1) EP1332236B1 (en)
JP (2) JP2004512881A (en)
AT (1) ATE387517T1 (en)
AU (1) AU2001296766A1 (en)
DE (1) DE60133027D1 (en)
WO (1) WO2002036841A2 (en)

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US7789979B2 (en) 2003-05-02 2010-09-07 Gore Enterprise Holdings, Inc. Shape memory alloy articles with improved fatigue performance and methods therefor
US9724138B2 (en) 2011-09-22 2017-08-08 Arthrex, Inc. Intermedullary devices for generating and applying compression within a body
US9907657B2 (en) 2012-02-09 2018-03-06 Arthrex, Inc. Porous coating for orthopedic implant utilizing porous, shape memory materials
US9155819B2 (en) 2012-02-09 2015-10-13 Mx Orthopedics, Corp. Dynamic porous coating for orthopedic implant
US10151565B2 (en) 2012-02-09 2018-12-11 Arthrex, Inc. Body armor utilizing superelastic spacer fabric, superelastic 3D knits and weaves and/or other superelastic 3D constructs so as to reduce behind armor blunt trauma (BABT)
US10058409B2 (en) 2012-09-18 2018-08-28 Arthrex, Inc. Spacer fabric mesh for use in tissue engineering applications
US9119904B2 (en) 2013-03-08 2015-09-01 Abbott Laboratories Guide wire utilizing a nickel—titanium alloy having high elastic modulus in the martensitic phase
US9339401B2 (en) 2013-03-08 2016-05-17 Abbott Laboratories Medical device utilizing a nickel-titanium ternary alloy having high elastic modulus
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