Disposable tubular pneumotachometer

Details Disposable tubular pneumotachometer Disposable tubular pneumotachometer

1989-01-17

1990-03-06

Howell, Kyle L.

Surgery

Truss

Pad

7386152, A61B 508

Patent

active

049057090

ABSTRACT:
A disposable tubular pneumotachometer in which the air-resistive material covering over the air outlet is a fabric with multiple sub-miniature tubular apertures to provide capillary air flow and, in the preferred form, has a uniformly diverging air outlet formed by air outlet openings through the wall of the pneumotachometer tube and an imperforate proportionally tapered air-diverging surface facing the air outlet openings.

REFERENCES:
patent: 1759239 (1930-05-01), Morrison
patent: 3504542 (1970-04-01), Blevins
patent: 3792609 (1974-02-01), Blair et al.
patent: 3840051 (1974-10-01), Akashi et al.

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