초록 ▼

An MR system for interventional procedures, includes an MR imaging device and an interventional instrument, for example a catheter. The MR device is arranged to acquire images of a part of an object. The entire catheter can be imaged in an MR image by providing a conductor loop which comprises two n

An MR system for interventional procedures, includes an MR imaging device and an interventional instrument, for example a catheter. The MR device is arranged to acquire images of a part of an object. The entire catheter can be imaged in an MR image by providing a conductor loop which comprises two non-magnetic conductors which are situated at some distance from one another underneath the surface of the catheter, and extend along substantially the entire length of the catheter. Furthermore, the catheter may be provided with a conductor loop and a coil in a location on the catheter. By separate adjustment of the current flowing through the conductor loop and the coil, it is possible to image the location on the catheter with a contrast which deviates from that of the remainder of the catheter.

대표청구항 ▼

[ We claim:] [17.] An instrument for penetrating a body in cooperation with examination of the body with an MR device, said instrument comprising a conductor loop with two non-magnetic conductors being spaced apart alone and extending along substantially the length of an operative portion of the ins

[ We claim:] [17.] An instrument for penetrating a body in cooperation with examination of the body with an MR device, said instrument comprising a conductor loop with two non-magnetic conductors being spaced apart alone and extending along substantially the length of an operative portion of the instrument for generating a first magnetic field in the vicinity of and along substantially the length of the operative portion of the instrument, in response to direct current in said conductor loop.