Endoscopic examining apparatus, particularly useful in MRI, includes a probe movable through the body cavity; a set of tracking coils carried by the probe; and a set of imaging coils carried by the probe. A control system controls the tracking coils to sense and indicate the location and orientation...http://www.google.ca/patents/US6871086?utm_source=gb-gplus-sharePatent US6871086 - Endoscopic examining apparatus particularly useful in MRI, a probe useful in such apparatus, and a method of making such probe