(19)

(11)

EP 2 552 360 A1

(12)

(43) Date of publication: 06.02.2013 Bulletin 2013/06 (21) Application number: 11722884.1 (22) Date of filing: 04.04.2011

(51) International Patent Classification (IPC):  A61F 2/82(2013.01) A61F 2/02(2006.01) (86) International application number: PCT/IB2011/051436 (87) International publication number: WO 2011/121581 (06.10.2011 Gazette 2011/40)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 02.04.2010 IT RM20100153 (71) Applicant: Universita' degli Studi di Roma " Tor Vergata" 00173 Roma (IT)	(72) Inventors: MARROCCO, Gaetano I-00040 Monte Compatri (IT) OCCHIUZZI, Cecilia I-00178 Roma (IT) (74) Representative: Cinquantini, Bruno et al Notarbartolo & Gervasi S.p.A. Corso di Porta Vittoria, 9 20122 Milano 20122 Milano (IT)