A valve cutter for arterial bypass surgery is provided and includes a blade assembly for cutting the venous valves, a shaft for guiding the blade assembly through the bypass vein, an expansion means for preventing the blade assembly from contacting the walls of the bypass vein and for helping to propagate the incisions made in the valve leaflets by the blade assembly, and a control means for controlling the expansion and contraction of the expansion means in order to allow for use of the invention in a variety of bypass vein diameter sizes.
申请公布号
US5152771(A)
申请公布日期
1992.10.06
申请号
US19900636268
申请日期
1990.12.31
申请人
THE BOARD OF SUPERVISORS OF LOUISIANA STATE UNIVERSITY;AGRICULTURAL AND MECHANICAL COLLEGE
发明人
SABBAGHIAN, MEHDY;DAILEY, RUSSELL S.;DOBSON, GREGORY T.;TANG, HING W.;SCHWARTZBERG, GLEN J.