A system for making a precise incision and circular hole in a vessel wall, such as the aorta, that eliminates lateral side notches from the aortotomy. In one aspect, the system includes a surgical knife or lancet having a blade surrounded by a retractable shield. In one aspect, the system includes a tissue punch having a rotating circumferential edge for receiving a parabolic-shaped anvil having an anvil cutting edge. The anvil is placed through an incision made by a knife and actuated to produce a hole in the vessel wall.
申请公布号
WO2007050243(A3)
申请公布日期
2007.09.13
申请号
WO2006US38577
申请日期
2006.10.02
申请人
QUEST MEDICAL, INC.;DOLLAR, MICHAEL, L.;DUBUELET, VICTOR, A., IV;ERNST, DAVID, T.
发明人
DOLLAR, MICHAEL, L.;DUBUELET, VICTOR, A., IV;ERNST, DAVID, T.