Replacement semilunar heart valves using flexible tubes

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6270526
SERIAL NO

09536229

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method is disclosed for using tubular material to replace a semilunar heart valve (i.e., an aortic or pulmonary valve). To create such a replacement valve, the native valve cusps are removed from inside an aorta or pulmonary artery, and the inlet end of a tubular segment is sutured to the valve annulus. The outlet (distal) end of the tube is either 'tacked' at three points distally, or sutured longitudinally along three lines; either method will allow the flaps of tissue between the suture lines to function as movable cusps. This approach generates flow patterns that reduce turbulence and closely duplicate the flow patterns of native semilunar valves. An article of manufacture is also disclosed, comprising a sterile biocompatible synthetic material which has been manufactured in tubular form, by methods such as extrusion or coating a cylindrical molding device, to avoid a need for a suture line or other seam to convert a flat sheet of material into a tubular shape. The synthetic tube is packaged within a sealed watertight enclosure that maintains sterility of the tube.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
3F THERAPEUTICS, INC.LAKE FOREST, CA20

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cox, James L Ladue, MO 34 3859

Cited Art Landscape

Patent Info (Count) # Cites Year
 
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Patent Citation Ranking

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