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Device and method for quantifying edema

  • US 8,147,428 B2
  • Filed: 04/15/2005
  • Issued: 04/03/2012
  • Est. Priority Date: 04/16/2004
  • Status: Active Grant
First Claim
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1. A method of measuring edema comprising:

  • contacting a region of skin tissue of an arm or leg of a patient with a displacement member the region of tissue including edematous tissue;

    applying pressure to the region of skin tissue to displace the region of tissue a distance to a displaced position with the displacement member;

    releasing the pressure applied with the displacement member to the region of skin tissue;

    subsequently measuring a displacement of the region of tissue with the displacement member and a sensor that measures a displacement of the displacement member over a time during which the region of tissue relaxes from the displaced position; and

    displaying a quantitative value from the measured displacement with a display device, the measured displacement indicating a level of edema.

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