A steerable medical probe device, such as a catheter, comprises a flexible, inner tubular body, a plurality of electrical conductors wrapped about the inner tubular body; and an insulating layer surrounding the conductors. Rigid non-conductive rings are adhesively secured at axially spaced locations...http://www.google.es/patents/US4753223?utm_source=gb-gplus-sharePatente US4753223 - System for controlling shape and direction of a catheter, cannula, electrode, endoscope or similar article
System for controlling shape and direction of a catheter, cannula, electrode ...
