| 摘要 |
<p>The invention provides a method for magnetic resonance imaging and spectroscopic analysis of the interior of a specimen (4) which includes positioning the specimen within a main magnetic field, introducing an invasive probe having an elongated receiver coil (22) into or adjacent to the specimen with the coil having at least one pair of elongated electrical conductors (24, 26), preferably, generally parallel to each other disposed within a dielectric material (30) and having a pair of ends electrically connected to each other (32). The method involves employing a flexible receiver coil which has uniform sensitivity along the coil. Tuning capacitance may be distributed along the length of the coil and/or a Faraday screen provided to minimize dielectric losses between the coil and the surrounding material of the specimen. In a preferred use the probe is introduced into small blood vessels of a patient to facilitate determination of atherosclerotic plaque. A corresponding apparatus is provided.</p> |
