A new mouthpiece for the Wright peak flow meter.
When tested against artificially produced peak flows, the Wright peak flow meter is found to be an accurate instrument. A factor contributing to the variation seen when the meter is in clinical use in the design of the mouthpiece. This paper reports the results obtained using a new mouthpiece designed specifically to reduce this variation.
D000328:Adult; D000368:Aged; D000776:Anesthesiology / Q000295:instrumentation; D005260:Female; D005540:Forced Expiratory Flow Rates; D006801:Humans; D008297:Male; D008875:Middle Aged; D010366:Peak Expiratory Flow Rate; D012212:Rheology / Q000295:instrumentation* / Q000592:standards