Aortic heart valve prosthesis sizer and marker
AssigneeSt. Jude Medical, Inc.
InventorsThomas G. Schoon, M. William Mirsch, II, John F. Otte, Eric S. Buchanan, Bob Allan
Life of this patent
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Abstract
Improved sizers and markers include a cylindrical section and a handle extending from the cylindrical section. The cylindrical section has a diameter approximately equal to the diameter of an aortic heart valve prosthesis. The cylindrical section can include a marking element configured to mark tissue at fixed positions relative to the cylindrical section. Marking can be performed with a variety of techniques.
Claims40
A tissue marking device comprising:
- a) a prosthesis template having a diameter approximately equal to the diameter of an aortic heart valve prosthesis, the prosthesis template comprising a marking element configured to mark tissue at fixed positions relative to the prosthesis template.
A tissue marking device comprising:
- a) a prosthesis template having a diameter approximately equal to the diameter of an aortic heart valve prosthesis;
- and
- b) a marker having a marking tip that interfaces with the prosthesis template, wherein the marker is separately positionable from the prosthesis template.
A tool comprising a prosthesis template, the prosthesis template comprising a generally annular base and a plurality of posts along the top edge extending upwardly from the annular base around the circumference of the annular base, the prosthesis template having an outer surface approximating the outer surface of a heart valve prosthesis.
Dependencies are inferred from the claim text.