Patent ID: 7416527
Filing Date: 2008-08-26
Classification: A61B

Abstract:
1. A surgical instrument for coronary artery bypass graft surgery comprising: at least three sets of suction units, each of such sets being respectively provided with a flexible tube; a single suction head disposed at an end portion of each said flexible tube; a connector disposed between said suction head and said flexible tube, which connector is provided with a bellows tube communicating with said flexible tube and each suction head having a sticking area with a single opening on said sticking area, said opening having a plurality of slit-like grooves formed on an inner surface thereof, and each said single opening being in communication with a said flexible tube; i) the slit-like grooves extending in a substantially orthogonal direction with respect to the sticking area and being substantially parallel to each other; ii) the slit-like grooves are constituted such that a liquid inside the suction head is drained from inside the opening towards outside; a switchgear mounted on each said flexible tube; and a retainer mounted on each said flexible tube which retains said flexible tube.