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US 7,112,220 B2Granted
Valve
AssigneeTayside Flow Technologies Limited
InventorsGraeme J Houston, Peter A Stonebridge, John Bruce Cameron Dick, Robert Gordon Hood
Life of this patent
Estimating the term…
Abstract
There is disclosed a heart valve prosthesis having a configuration such that blood flow through it has a helical flow pattern such as to substantially reduce or eliminate turbulence and dead flow regions in the blood flow.
Claims5
An apparatus comprising:
- (a) a heart valve prosthesis comprising:
- (i) a valve for inducing a helical flow pattern in blood exiting the valve, such as to substantially reduce or eliminate turbulence and dead flow regions in the blood flow, wherein the valve comprises:
- (I) a single flap having hinging, the single flap, when open, adopting a helical formation.
Dependencies are inferred from the claim text.