Apparatus for testing polymonary devices

Details Apparatus for testing polymonary devices Apparatus for testing polymonary devices

1995-03-02

1995-12-12

Noland, Thomas P.

Measuring and testing

Simulated environment

75 37, G01M 1900

Patent

active

054739543

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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patent: 5076093 (1991-12-01), Jones, Jr. et al.
patent: 5327774 (1994-07-01), Nguyen et al.

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