The invention is devices and techniques which use a negative (suction) pressure or vacuum, applied through a surgical instrument, to fix the position of a portion of the surface of a beating heart so that a surgical procedure can be more easily performed. The devices apply a negative pressure at several...http://www.google.fr/patents/US6032672?utm_source=gb-gplus-shareBrevet US6032672 - Surgical devices for imposing a negative pressure to stabilize cardiac tissue during surgery
Surgical devices for imposing a negative pressure to stabilize cardiac ...