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Physiological monitoring devices having sensing elements decoupled from body motion

  • US 10,076,253 B2
  • Filed: 01/24/2014
  • Issued: 09/18/2018
  • Est. Priority Date: 01/28/2013
  • Status: Active Grant
First Claim
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1. A monitoring device, comprising:

  • a band configured to be secured around an appendage of a subject, wherein the band comprises an inner surface and an outer surface;

    an elongated biasing element having opposite ends, the biasing element secured to the band inner surface, the biasing element extending around an inner circumference of the band inner surface such that the biasing element opposite ends are in adjacent, closely spaced-apart relationship, wherein the biasing element comprises a surface that contacts the appendage, wherein the biasing element surface is radially spaced apart from the band inner surface, wherein a width of the biasing element surface does not exceed a width of the band inner surface, and wherein the biasing element is configured to compress and conform to the appendage when the band is worn on the appendage; and

    a sensing element secured to the band inner surface between the spaced-apart biasing element ends, wherein the sensing element extends outwardly from the band inner surface, wherein the biasing element surface is radially spaced apart from the band inner surface such that the sensing element does not contact the appendage when the band is secured around the appendage, and wherein the sensing element is stabilized with respect to the appendage of the subject by the biasing element.

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