A61B 5/7214

Using signal cancellation

Official title: {using signal cancellation, e.g. based on input of two identical physiological sensors spaced apart, or based on two signals derived from the same sensor, for different optical wavelengths}

A61B5/7214 (Using signal cancellation) appears on 524 US grants and 728 published applications in this corpus.

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524
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728
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311
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8 Sep 2026

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