| 摘要 |
An oximeter includes a probe 100 having LEDS 101, 102, for transmitting light of at least two different wavelengths and a photo-sensing diode 103 for transducing the light from the LEDS 101, 102 into signals. Means is provided for producing a plurality of signals comprising DC and AC component signals corresponding to the attenuation of the transmitted light at the different wavelengths. Data processing means is provided which is responsive to the signals for determining the oxygen saturation SaO2 through the medium e.g. blood containing tissue through which the light is transmitted. |
