Interference No. 103,197 tissue. DC red and DC infrared are two of the quantities detected by an oximeter and used to calculate omega (S), the other two values being AC red and AC infrared: 82 S = ACred/DCred = MDred ACIR/DCIR MDIR The relationship between omega and oxygen saturation is represented by the graph at page 12 of Buschmann's brief. Falkowski testified that when he constructed the83 Morrison test apparatus without using glue to connect the ends of the optical fibers to the LEDs and photodiode of the modified Nellcor finger probe, he measured shunt light values of 18 nW red and 33 nW infrared, whereas when he placed a black absorbing hard foam between the emitter and receiver, he obtained values of 0 mV [sic, nW] red and 0 mV [sic, nW] infrared. These 18 nW (red) and 33 nW (infrared) values are much higher than the 3 nW of light that Falkowski measured as passing through the tissue under "optimal coupling B.Br. 12.82 BR 24.83 - 53 -Page: Previous 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 NextLast modified: November 3, 2007