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1. (WO2010117538) SEMI-PERMIABLE BIODEGRADABLE STENT GRAFT AND USES THEREOF

Pub. No.:    WO/2010/117538    International Application No.:    PCT/US2010/026870
Publication Date: Fri Oct 15 01:59:59 CEST 2010 International Filing Date: Thu Mar 11 00:59:59 CET 2010
IPC: A61F 2/06
Applicants: MEDTRONIC VASCULAR, INC.
REA PETERSON, Susan
Inventors: REA PETERSON, Susan
Title: SEMI-PERMIABLE BIODEGRADABLE STENT GRAFT AND USES THEREOF
Abstract:
Described herein are biodegradable stent grafts and methods for treatment of early stage aneurysms and acute vessel injuries. The stent frameworks themselves are a biodegradable metal and the graft material is a semi-permeable, biodegradable porous fabric. The pores are sufficiently small to block the passage of monocytes through the semi-permeable fabric and sufficiently large to allow the passage of ions and small molecules through the semi-permeable fabric. The biodegradable stent grafts degrade completely leaving no permanent metal structures (or any structures at all) in the patient and therefore do not need to be later surgically removed or monitored.