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FINGERTIP BLOOD OXYGEN SATURATION MEASURING APPARATUS

  • US 20100036218A1
  • Filed: 02/08/2007
  • Published: 02/11/2010
  • Est. Priority Date: 11/27/2006
  • Status: Abandoned Application
First Claim
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1. A blood oxygen saturation measuring apparatus comprising an upper shell, a lower shell, and an elastic restoring structure, wherein a mark is arranged on a lateral side surface of the upper and/or the lower shell;

  • and the mark is provided to be in alignment with a vertical position of a photoelectric sensing chip which is arranged inside the shell.

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