Zero dead space respiratory exercise valve

Details Zero dead space respiratory exercise valve Zero dead space respiratory exercise valve

1992-01-21

1993-10-26

Cohen, Lee S.

Surgery

Truss

Pad

137512, 137855, 12820524, 482 13, 22 84, A62B 902, A61B 508

Patent

active

052556875

ABSTRACT:
A pulmonary valve for use with fitness level respiratory testing equipment, having a tubular silicone rubber body member. Formed at one end of this member is a mouth seal which is subsequently inserted into a subjects mouth. In the superior surface of the tubular body member is found the inhalation ports, these ports allow for air passage during inhalation. Within the tubular body member is housed two valve membranes, one for inhalation and one for exhalation. During inhalation, the inhalation membrane opens, creating an airflow passage-way directly to a subjects's mouth cavity. During exhalation the inhalation membrane closes shut and the exhalation membrane opens thus creating a second and separate airflow passage-way, at the end of exhalation the exhalation membrane closes shut, thus completing one respiration cycle. Because of the unique membrane design there is found no equipment dead space. The pulmonary valve may be equipped with an auxiliary oxygen tank adaptor sleeve which is fitted to the outside of the tubular body member. This adaptor sleeve will accept a hose connecting at one end and creates a gas airflow passage-way to the inhalation ports found in the superior surface of the tubular body member.

REFERENCES:
patent: 3902516 (1975-09-01), Rudolph
patent: 4111228 (1978-09-01), Simionescu
patent: 4292978 (1981-10-01), Guth
patent: 4456016 (1984-06-01), Nowacki et al.
patent: 4538620 (1985-09-01), Nowacki et al.
patent: 4601465 (1986-07-01), Roy
patent: 4635647 (1987-01-01), Choksi
patent: 4942873 (1990-07-01), Irwin et al.

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