(under subclass 90) Subject matter wherein the casing or support structure comprises a rod or cable of light transparent material for directing the light ray along a restricted, usually curved path.
SEE OR SEARCH CLASS
600, Surgery,
101+, particularly, subclasses 160+, 179+, 183+, 191, 200, 213, 224, 246+, and 248+ for light conductors which are inserted into the body.