Measuring and testing – Specimen model or analog
Patent
1995-09-26
1996-06-25
Noland, Thomas P.
Measuring and testing
Specimen model or analog
738659, G01M 1900
Patent
active
055289444
ABSTRACT:
An apparatus for testing pulmonary devices such as endotracheal tubes and connectors is disclosed. The apparatus forces a predetermined volume of air or gas through the pulmonary device in accordance with a preselected waveform in a first and/or second direction under conditions that simulate an in-patient use environment. The device also measures the amount of work required to force the air or gas through the device under selected conditions. In a preferred embodiment of the invention, the device produces a laminar or turbulent flow of gas.
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Bertrand Jon A.
Hoyt Mark J.
MH Custom Design & Mfg., L.C.
Noland Thomas P.
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