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)
Assigned to TERUMO CARDIOVASCULAR SYSTEMS CORPORATION, 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.