Fluid handling – Flow affected by fluid contact – energy field or coanda effect – Means to regulate or vary operation of device
Patent
1978-11-28
1980-10-07
Frinks, Ronald L.
Fluid handling
Flow affected by fluid contact, energy field or coanda effect
Means to regulate or vary operation of device
1375278, A61F 122
Patent
active
042259800
ABSTRACT:
A metallic cardiac valve prosthesis having an aortic as well as a mitral application, the purpose of which is to obtain an ample, highly physiological and laminar flow of blood, includes a ring, the outer contour of which is circular and the inner contour of which is oval. The interior of the ring is provided with a lenticular plug acting in the same way as the plug of a butterfly valve.
REFERENCES:
patent: 3445863 (1969-05-01), Wada
patent: 3448465 (1969-06-01), Pierce et al.
patent: 3546711 (1970-12-01), Bokros
patent: 3926215 (1975-12-01), Macleod
"Artificial Mitral Valves" by J. H. Stuckey, Transactions on Medical Electronics, Mar. 1959, vol. ME6, No. 1.
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