CA2141271A1 - Magnetic resonance system for tracking a medical appliance - Google Patents

Magnetic resonance system for tracking a medical appliance

Info

Publication number
CA2141271A1
CA2141271A1 CA2141271A CA2141271A CA2141271A1 CA 2141271 A1 CA2141271 A1 CA 2141271A1 CA 2141271 A CA2141271 A CA 2141271A CA 2141271 A CA2141271 A CA 2141271A CA 2141271 A1 CA2141271 A1 CA 2141271A1
Authority
CA
Canada
Prior art keywords
magnetic resonance
tracking
resonance system
medical appliance
guidewire
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
CA2141271A
Other languages
French (fr)
Other versions
CA2141271C (en
Inventor
Graeme C. Mckinnon
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 Europe GmbH
Original Assignee
Schneider Europe GmbH
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 Europe GmbH filed Critical Schneider Europe GmbH
Publication of CA2141271A1 publication Critical patent/CA2141271A1/en
Application granted granted Critical
Publication of CA2141271C publication Critical patent/CA2141271C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/285—Invasive instruments, e.g. catheters or biopsy needles, specially adapted for tracking, guiding or visualization by NMR
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves 
    • A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves  involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/06—Devices, other than using radiation, for detecting or locating foreign bodies ; determining position of probes within or on the body of the patient
    • 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

Abstract

A guidewire 9 for vascular procedures is formed by a coaxial cable acting as antenna in a magnetic resonance imaging system 1. <IMAGE>
CA002141271A 1994-03-18 1995-01-27 Magnetic resonance system for tracking a medical appliance Expired - Fee Related CA2141271C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP94104329.1 1994-03-18
EP94104329A EP0673621B1 (en) 1994-03-18 1994-03-18 A magnetic resonance imaging system for tracking a medical appliance

Publications (2)

Publication Number Publication Date
CA2141271A1 true CA2141271A1 (en) 1995-09-19
CA2141271C CA2141271C (en) 1999-03-23

Family

ID=8215788

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002141271A Expired - Fee Related CA2141271C (en) 1994-03-18 1995-01-27 Magnetic resonance system for tracking a medical appliance

Country Status (9)

Country Link
US (1) US5792055A (en)
EP (1) EP0673621B1 (en)
JP (1) JP2955484B2 (en)
AT (1) ATE163525T1 (en)
AU (1) AU685221B2 (en)
CA (1) CA2141271C (en)
DE (1) DE69408826T2 (en)
DK (1) DK0673621T3 (en)
ES (1) ES2114626T3 (en)

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ATE163525T1 (en) 1998-03-15
ES2114626T3 (en) 1998-06-01
AU685221B2 (en) 1998-01-15
EP0673621B1 (en) 1998-03-04
CA2141271C (en) 1999-03-23
JP2955484B2 (en) 1999-10-04
AU1490695A (en) 1995-10-19
DE69408826D1 (en) 1998-04-09
US5792055A (en) 1998-08-11

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