Surgery – Truss – Pad
Patent
1993-05-17
1994-10-25
Burr, Edgar S.
Surgery
Truss
Pad
73272R, 7386152, A61B 508
Patent
active
053579720
ABSTRACT:
A disposable pneumotachograph flowmeter comprises first and second tubular mouthpiece members which, when juxtaposed relative to one another, sandwich a fabric screen made from a hydrophobic material therebetween. The screen may comprise a woven fabric formed from expanded PTFE fibers or, alternatively, may be a non-woven mat of polyester fibers. Because of the properties of the screen material, it does not become clogged and occluded with moisture particles during use.
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"Flow Meter for Recording Respiratory Flow of Human Subjects", by John C. Lilly, Methods in Medical Research, vol. 2, 1950.
Burr Edgar S.
Medical Graphics Corporation
Raciti Eric P.
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