HEART VALVE PROSTHESIS Russian patent published in 2003 - IPC

Abstract RU 2202990 C2

FIELD: medical engineering. SUBSTANCE: device has body having hydraulic opening for creating blood flow, closing member and cuff having seat surface engageable with heart tissues and external surface enveloping device body opening and engageable with blood flow. At least a part of cuff surface is coated with porous polytetrafluorethylene film (fluoroplast) sewn to external cuff surface on perimeter of the opening. EFFECT: enhanced effectiveness in increasing resistance to thrombus formation. 3 dwg

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RU 2 202 990 C2

Authors

Evdokimov S.V.

Nazarov V.M.

Mel'Nikov Eh.V.

Dates

2003-04-27—Published

2000-12-06—Filed