Patent ID: 7704247
Filing Date: 2010-04-27
Classification: A61B

Abstract:
1. A surgical apparatus, comprising: an elongated member having a distal end portion, the elongated member having first and second passages that extend through the distal end portion, the first passage extending in a first direction and the second passage extending in a second direction that intersects the first direction at a location beyond the first and second passages to form an angle; and first and second optical fibers, a portion of the first optical fiber being provided in the first passage and a portion of the second optical fiber being provided in the second passage, wherein said first optical fiber is configured to carry optical radiation, said optical radiation exposing a tissue over an exposure area, said second optical fiber being configured to receive a portion of optical energy emitted from said exposure area of said tissue, and wherein said second optical fiber has a hollow core configured to provide a gas flow.