The Intact porcine bioprosthesis : early world-wide clinical experience and analysis of a single institution's experience

A process for manufacturing bags on an automatic forming, filling and sealing (FFS) machine (100) wherein a tube (20) capable of forming walls (38, 40) of a bag is sequentially cut into portions by a cut which is approximately transverse with respect to the direction of movement of the tube (20). A fastener assembly (50) is attached to the cut end of that part of the tube (20) that is below the filling chute (110) of the FFS machine.