Apparatus and method to perform therapeutic treatment and diagnosis of a patient's vasculature through the use of an intravascular device having an optical fiber disposed therein. In an embodiment of this invention, the apparatus includes a therapeutic guidewire and at least one optical fiber disposed...http://www.google.co.uk/patents/US7532920?utm_source=gb-gplus-sharePatent US7532920 - Guidewire with optical fiber
