Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Michael Nuttall0
Date of Patent
June 24, 2008
0Patent Application Number
113777100
Date Filed
March 16, 2006
0Patent Primary Examiner
Patent abstract
A peak flow meter is described with a body having a sample channel and at least one bypass channel. One of at least two flow range scales may be selected using a flow range selector to adjust the sensitivity of the peak flow meter. A flow range selection indicator provides visual reference as to which flow range scale has been selected. A peak flow calculator used in cooperation with zone indicators on the peak flow meter permits a user to customize the peak flow meter for that user's predicted personal best exhalation range.
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