METHOD FOR MANUFACTURING ARTIFICIAL CARDIAC VALVE Russian patent published in 1994 - IPC

Abstract RU 2012284 C1

FIELD: medical engineering. SUBSTANCE: artificial cardiac valve body and shutoff member flaps are made of metal. Valve body has inner seats for flaps and is built up by fitting flaps in these seats which are made by extrusion using profiled punch. Surfaces of valve body and flaps have sealing nonconducting carbon coatings. Flaps are set up in place by momentarily compressing and straightening these using force not exceeding nominal yield point of α-β phase titanium from which valve body and flaps are fabricated. EFFECT: greater simplicity.

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RU 2 012 284 C1

Authors

Galich N.P.

Fomin P.P.

Nikol'Tsev V.A.

Dates

1994-05-15Published

1991-04-10Filed