Respiratory exerciser

Details Respiratory exerciser Respiratory exerciser

1993-05-10

1995-08-08

Apley, Richard J.

Exercise devices

For improving respiratory function

A63B 2318

Patent

active

054394309

ABSTRACT:
This invention deals with a new and novel dynamic exercising device intended to improve the performance of age or disease impaired human respiratory systems. The device depends on the use of a respiratory exerciser which contains a novel piston which does not itself contact the internal diameter of the tube in which it is situated except for the interface created by a rubber disk which is centered in the piston.

REFERENCES:
patent: 2211455 (1940-08-01), Caldwell
patent: 2911270 (1959-11-01), White
patent: 3635214 (1972-01-01), Rand et al.
patent: 5137026 (1992-08-01), Waterson et al.
patent: 5246010 (1993-09-01), Gazzara et al.

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