MR system and invasive device for interventional procedures

Details MR system and invasive device for interventional procedures MR system and invasive device for interventional procedures

1997-10-29

1999-09-14

Smith, Ruth S.

Surgery

Diagnostic testing

Detecting nuclear, electromagnetic, or ultrasonic radiation

600423, 600424, A61B 5055

Patent

active

059514728

ABSTRACT:
An MR system for interventional procedures, includes an MR device and an invasive device. The MR device is arranged to acquire images of a part of an object. A part of the invasive device can be imaged in an MR image by providing a coil or a conductor loop which has two non-magnetic conductors which are situated at some distance from one another underneath the surface of the invasive device. A reduction of artefacts due to the movement of a patient or the invasive device can be obtained by sampling an MR signal, whereby an auxiliary magnetic field is periodically applied during the time in which the plurality of lines in k-space are scanned.

REFERENCES:
patent: 4572198 (1986-02-01), Codrington
patent: 5307808 (1994-05-01), Dumoulin et al.

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