CA2126314A1 - Super elastic alloy guidewire - Google Patents

Super elastic alloy guidewire

Info

Publication number
CA2126314A1
CA2126314A1 CA2126314A CA2126314A CA2126314A1 CA 2126314 A1 CA2126314 A1 CA 2126314A1 CA 2126314 A CA2126314 A CA 2126314A CA 2126314 A CA2126314 A CA 2126314A CA 2126314 A1 CA2126314 A1 CA 2126314A1
Authority
CA
Canada
Prior art keywords
guidewire
super elastic
elastic alloy
accessing
alloy
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
CA2126314A
Other languages
French (fr)
Other versions
CA2126314C (en
Inventor
Thomas J. Palermo
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.)
Target Therapeutics Inc
Original Assignee
Thomas J. Palermo
Target Therapeutics, 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 Thomas J. Palermo, Target Therapeutics, Inc. filed Critical Thomas J. Palermo
Publication of CA2126314A1 publication Critical patent/CA2126314A1/en
Application granted granted Critical
Publication of CA2126314C publication Critical patent/CA2126314C/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
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/09—Guide wires
    • 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
    • A61M25/0043—Catheters; Hollow probes characterised by structural features
    • A61M25/0045—Catheters; Hollow probes characterised by structural features multi-layered, e.g. coated
    • A61M2025/0046—Coatings for improving slidability
    • 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
    • A61M2025/09058—Basic structures of guide wires
    • A61M2025/09083—Basic structures of guide wires having a coil around a core
    • A61M2025/09091—Basic structures of guide wires having a coil around a core where a sheath surrounds the coil at the distal part
    • 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
    • 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
    • A61M2025/09175—Guide wires having specific characteristics at the distal tip

Abstract

This invention is a surgical device. It is a guidewire for use in a catheter and is used for accessing a targeted site in a lumen system of a patient's body. The guidewire may be of a high elasticity metal alloy, preferably a Ni-Ti alloy, having specified physical parameters, and is especially useful for accessing peripheral or soft tissue targets. A special variation of the inventive guidewire includes the concept of coating the wire with a one or more lubricious polymers to enhance its suitability for use within catheters and with the interior of vascular lumen. The "necked" guidewire tip also forms a specific variant of the invention.
CA002126314A 1993-05-11 1994-05-11 Super elastic alloy guidewire Expired - Fee Related CA2126314C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/062,456 US5409015A (en) 1993-05-11 1993-05-11 Deformable tip super elastic guidewire
US08/062,456 1993-05-11
PCT/US1994/005219 WO1994026337A1 (en) 1993-05-11 1994-05-11 Super elastic alloy guide wire

Publications (2)

Publication Number Publication Date
CA2126314A1 true CA2126314A1 (en) 1994-11-24
CA2126314C CA2126314C (en) 1999-01-26

Family

ID=22042604

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002126314A Expired - Fee Related CA2126314C (en) 1993-05-11 1994-05-11 Super elastic alloy guidewire

Country Status (11)

Country Link
US (2) US5409015A (en)
EP (1) EP0681492B1 (en)
JP (1) JP2799248B2 (en)
AT (1) ATE201998T1 (en)
AU (1) AU670204B2 (en)
CA (1) CA2126314C (en)
DE (1) DE69427465T2 (en)
ES (1) ES2159559T3 (en)
IL (1) IL109621A0 (en)
TW (1) TW280775B (en)
WO (1) WO1994026337A1 (en)

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AU670204B2 (en) 1996-07-04
ATE201998T1 (en) 2001-06-15
EP0681492A1 (en) 1995-11-15
JP2799248B2 (en) 1998-09-17
US5636642A (en) 1997-06-10
TW280775B (en) 1996-07-11
IL109621A0 (en) 1994-08-26
EP0681492A4 (en) 1995-07-27
JPH07505561A (en) 1995-06-22
ES2159559T3 (en) 2001-10-16
WO1994026337A1 (en) 1994-11-24
AU6946794A (en) 1994-12-12
DE69427465D1 (en) 2001-07-19
CA2126314C (en) 1999-01-26
US5409015A (en) 1995-04-25
DE69427465T2 (en) 2002-06-06
EP0681492B1 (en) 2001-06-13

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