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Portable patient monitor

  • US 8,353,842 B2
  • Filed: 12/23/2008
  • Issued: 01/15/2013
  • Est. Priority Date: 02/18/2005
  • Status: Active Grant
First Claim
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1. A portable patient monitoring device including navigation by feel functionality, the device comprising:

  • electronic circuitry capable of receiving a signal output from a light sensitive detector capable of detecting light attenuated by body tissue carrying pulsing blood, wherein the electronic circuitry is also capable of outputting audio or visual indicia indicative of one or more physiological parameters of the body tissue;

    a housing including a top side;

    a plurality of user input keys arranged on the top side of the housing along the periphery of at least two substantially parallel curves;

    a protective cover comprising a pliable material;

    at least one alignment edge substantially parallel to the two curves, a portion of said at least one alignment edge being raised substantially above a substantially planar surface of said top side of said housing, said edge locatable by feel of the user to guide the user to the plurality of user input keys.

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