Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Heart valve – Combined with surgical tool
Reexamination Certificate
2007-08-21
2009-12-29
Snow, Bruce E (Department: 3738)
Prosthesis (i.e., artificial body members), parts thereof, or ai
Heart valve
Combined with surgical tool
Reexamination Certificate
active
07637943
ABSTRACT:
A method for evaluating a valve annulus to determine a size of a prosthetic heart valve to be sewn to the valve annulus during heart valve replacement surgery. The prosthetic heart valve includes an annular extension having a first flexibility and a sewing ring having a second flexibility. A flexible sizer body is provided and includes an outer ring and an annular wall coupled to and extending from the outer ring. The annular wall has a flexibility substantially similar to the first flexibility of the annular extension of the prosthetic heart valve. The flexible sizer body is inserted into the valve annulus and a determination made as to fit and conformance. A prosthetic heart valve is selected based on the determination.
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Hohenshell Jeffrey J.
Jaro Mike
Medtronic Inc.
Snow Bruce E
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