Patent ID: 8449572
Filing Date: 2013-05-28
Classification: A61B

Abstract:
1. A tissue closure for closing an opening penetrating a blood vessel membrane, comprising: a seal portion possessing a flat face portion for covering, from an inner side of the blood vessel membrane, the opening penetrating the blood vessel membrane and a surrounding portion of the opening; a deformation portion configured to expand and contract in two substantially perpendicular directions; a fastener portion to retain the deformation portion in a predetermined form; the deformation portion comprising an opening portion movable relative to the fastener portion and adapted to receive the fastener portion; a connecting portion connecting the seal portion and the deformation portion, the connecting portion consisting of a single bendable plate so that the connecting portion permits pivoting motion of the seal portion in only a single plane; and the deformation portion comprising a fixed portion integrated with the fastener portion and immovable relative to the fastener portion, the deformation portion being configured to cooperate with the seal portion to sandwich the blood vessel membrane between the seal portion at the inner side of the blood vessel membrane and the deformation portion at an outer side of the blood vessel membrane.