Surgery – Truss – Perineal
Patent
1975-02-20
1976-08-31
Michell, Robert W.
Surgery
Truss
Perineal
272 99, A61B 508
Patent
active
039773957
ABSTRACT:
A novel combination inhalation and exhalation respiratory therapy device is shown which allows measurement of the respiratory capacity of the user. Additionally, it is so constructed that the user or one supervising the user may control the rate of inspiration or exhalation while simultaneously measuring the total volume of air inhaled or exhaled. The respiratory therapy device, to be used with a liquid such as water, is comprised of two containers inter-connected by a conduit tube through openings in either the top wall portion or side wall portion of each respective container. Additionally, an opening is provided in the top wall portion of the first container to communicate atmospheric pressure to the surface of the liquid contained therein. A tube is fixedly mounted through the top wall portion of the second container having a user end adapted to be placed in the mouth of the patient. Various combinations of openings in the inter-connecting conduit, the upper wall portions of the containers or the fixed tube determine the respiratory effort required of the user to transfer a given amount of liquid from one container to the other. Additionally, the openings can be occluded selectively by occluding means such as larger diameter tube portions which are slideably mounted on the conduit means or fixed tube. In this manner the respiratory therapy device can be adjusted for the specific requirements of the user, with particular reference to respiratory rate and volume, without using unnecessarily large containers or complicated systems.
REFERENCES:
patent: 699637 (1902-05-01), Aldrich
patent: 714141 (1902-11-01), Cady
patent: 3507146 (1970-04-01), Webb
patent: 3710780 (1973-01-01), Milch
patent: 3720202 (1973-03-01), Cleary
patent: 3811671 (1974-05-01), Turnbull
patent: 3848585 (1974-11-01), Ostap
Cohen Lee S.
Michell Robert W.
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