Abstract: A surgical tube-adapter clamp for effecting a tube connection to a blood vessel, in which a tubular member is constructed for insertion of its free end into a blood vessel and the opposite end adapted to be operatively connected to the cooperable end of a tube, in which a pair of relatively deformable members, encircle the tubular member with one of such members being adapted to be disposed adjacent the exterior wall of the blood vessel and the other member having a portion disposed within the blood vessel and adapted to be deformed to increase the effective diameter thereof within the blood vessel and thereby clamp the adjacent wall of such vessel between the two deformable members to secure the clamp to the vessel.