Patent · US Expired

MR device and MR method for localizing and/or visualizing a medical instrument provided with a passive magnet device

US6741882B2 · kind B2 · utility

24Cited by
7References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 4, 2000
Grant dateMay 25, 2004
Priority date
Expiry dateJan 29, 2022

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01R33/285
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

The invention relates to an MR device with apparatus for localizing and/or visualizing a medical instrument inserted into an object to be examined. In order to construct such a device in a more economical and more reliable manner, according to the invention, the medical instrument is provided with a magnet device which is controllable by a control unit in such a manner that information concerning the position of the magnet device in MR data sets can be specifically changed. The invention also relates to a corresponding MR method.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.