A blood tracking system includes a light source having a first LED configured to emit light of a first color and a second LED configured to emit light of a second color. The light of the first color and the light of the second color are mixed to produce light of a third color when the first LED and the second LED are activated. The light of the third color highlights blood.
CROSS-REFERENCE TO RELATED PATENT APPLICATIONS
This application is a continuation of U.S. application Ser. No. 11/195,371, filed Aug. 2, 2005, which claims the benefit of U.S. Provisional Application No. 60/598,289, filed Aug. 3, 2004, both of which are incorporated herein by reference in their entirety.
