Prosthetic valve that permits retrograde flow

Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Arterial prosthesis – Including valve

Reexamination Certificate

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Reexamination Certificate

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10797449

ABSTRACT:
A prosthetic valve for regulating fluid flow through a body vessel is provided. The valve includes an expandable support frame and a valve leaflet, and includes at least one opening that permits a controlled amount of retrograde flow through the valve when the valve is in a closed configuration.

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