Lung exercise device

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Patent

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Details

128 208, A63B 2300

Patent

active

039360482

ABSTRACT:
An improved "blow bottle" for forced expiration exercise wherein liquid is blown from a first compartment to a second compartment and then automatically returned to the first compartment by a specially designed siphon assembly.

REFERENCES:
patent: 3811671 (1974-05-01), Turnbull

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