| 摘要 |
A pulse oximeter sensor having an opaque, metalized layer (16) to shield fro m ambient light. The metalized layer (16) surrounds the area of the light detector (32). In one embodiment, the sensor has a transparent portion (12), with the opaque, metalized layer (16) covering only the portions around the light detector (32) and other areas, such as a strip extending between the light detector (32) and the emitter (36). In a preferred embodiment, the opaque, metalized layer (16) is a strip which has a widened portion in the area around the light detector (32).
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