Butler, John, Vaugh, Trevor, Bonadio, Frank, McManus, Ronan, MacNally, Shane, Deegan, Catherine s, Cuschieri, Alfread and Reid, Alan, ATROPOS LTD (2007) Surgical device`s seal, has two sealing members each having accessway that provide access from one side of sealing members to other side of members, and biasing unit biasing two sealing members towards one another. US2007118175-A1.