CPC A61J 3/00 (2013.01) [A61J 3/06 (2013.01); A61J 3/07 (2013.01); A61K 9/0092 (2013.01); A61K 9/2072 (2013.01); A61L 27/50 (2013.01); A61L 27/54 (2013.01); A61L 29/14 (2013.01); A61L 29/16 (2013.01); A61L 31/14 (2013.01); A61L 31/16 (2013.01); A61L 2400/12 (2013.01); A61L 2400/18 (2013.01)] | 6 Claims |
1. An extrusion process for preparing a medical device comprising the steps of:
combining at least two flow streams of laminated polymer, wherein the laminated polymer flow streams contain laminations which have micro or nanometer thickness;
joining the at least two flow streams of laminated polymer within a die to form a continuous cumulated laminated flow within the die, extruding the continuous cumulated laminated flow to produce an extruded multilayered polymer solid of two or more annular rings, a cross-section of the extruded multilayered polymer solid having two or more annular rings with a micro or nanometer radial thickness, wherein said extruded multilayered polymer solid is further processed into a medical device which is an implantable device.
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