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Hemoglobin display and patient treatment

  • US 9,370,325 B2
  • Filed: 05/18/2015
  • Issued: 06/21/2016
  • Est. Priority Date: 05/20/2009
  • Status: Active Grant
First Claim
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1. A patient monitoring system comprising:

  • a noninvasive sensor for emitting energy into a patient measurement site of a patient and detecting the energy attenuated by the patient measurement site;

    a memory buffer; and

    a hardware processor configured to determine a first plurality of total hemoglobin readings over a first time period using the attenuated energy detected by the sensor and store the first plurality of total hemoglobin readings in the memory buffer,wherein said hardware processor is further configured to frequency transform the first plurality of total hemoglobin readings stored in the memory buffer,determine frequency data from the first plurality of total hemoglobin readings; and

    determine a hemoglobin characteristic of the patient from the frequency data.

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