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Method and apparatus for providing pulses inhalation of 17 O 2 for magnetic resonance imaging of cerebral metabolism

  • US 8,554,305 B2
  • Filed: 07/18/2008
  • Issued: 10/08/2013
  • Est. Priority Date: 07/20/2007
  • Status: Active Grant
First Claim
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1. A method of administering 17O2 to a patient for magnetic resonance imaging a region of interest remote from the patient'"'"'s lungs, comprising:

  • providing 16O2 to the patient by inhalation;

    a ventilator applying a pulse of 17O2 by inhalation comprising an approximately step increase in 17O2, a duration of said pulse selected so as to be shorter than a diffusion time lag of metabolized H217O in the patient from the patient'"'"'s lungs to the region of interest; and

    imaging the region of interest during the duration of said pulse.

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