Method of using an imaging catheter to conduct photodynamic...

Details Method of using an imaging catheter to conduct photodynamic... Method of using an imaging catheter to conduct photodynamic...

2011-03-08

2011-03-08

Johnson, III, Henry M (Department: 3769)

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Light application

C128S898000, C604S508000, C604S164110, C600S108000

Reexamination Certificate

active

07901441

ABSTRACT:
A method of using an imaging catheter for activating a photodynamic agent is provided. The method generally includes four steps. First, an imaging catheter including a fiber optic cable is inserted within a body cavity or vessel. The fiber optic cable has a first end (e.g., proximal end) and a second end (e.g., distal end), and is configured to transmit electromagnetic irradiation from its first end to its second end and to transmit an image from its second end to its first end. Second, an image of a site of interest (e.g., the location of an aneurysm) within the body cavity or vessel is observed using the fiber optic cable. Third, a suitable photodynamic agent is applied to the site of interest. Fourth, the fiber optic cable is used to deliver a selected wavelength or wavelength range of electromagnetic energy to the site to thereby activate the photodynamic agent.

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