US 10,376,358 B2
Temporary disposable scaffold stand and tools to facilitate reconstructive valve surgery
Matthew W. Graybill, Whitmore Lake, MI (US); Randal J. Kadykowski, South Lyon, MI (US); and Kevin R. Line, Ann Arbor, MI (US)
Filed by Terumo Cardiovascular Systems Corporation, Ann Arbor, MI (US)
Filed on May 12, 2017, as Appl. No. 15/594,080.
Claims priority of provisional application 62/335,729, filed on May 13, 2016.
Prior Publication US 2017/0325940 A1, Nov. 16, 2017
Int. Cl. A61F 2/24 (2006.01); B26F 1/40 (2006.01)
CPC A61F 2/2409 (2013.01) [A61F 2/2412 (2013.01); A61F 2/2415 (2013.01); A61F 2/2427 (2013.01); B26F 1/40 (2013.01)] 3 Claims
OG exemplary drawing
1. A cutting device for cutting a leaflet from a pericardial tissue sheet, comprising:
a set of plate members having a plurality of predetermined leaflet contours and sizes adapted to allow selection of a respective one of the plate members from the set of plate members to match an anatomy of a patient; and
a raised cutting edge projecting from each of the plate members of the set of plate members configured to cut a leaflet according to the predetermined contour and size of each of the respective plate members in response to pressing against the pericardial tissue sheet;
wherein each of the respective plate members further includes raised posts for forming sewing depressions into the pericardial tissue sheet to guide sewing of the leaflet.