The present invention relates to a polymer obtained from the polymerization of: (i) at least one monomer of formula (I) €ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ(CH 2 =CR 1 )CO-K€ƒ€ƒ€ƒ€ƒ€ƒ(I) wherein: - K represents O-Z or NH-Z, Z representing (CR 2 R 3 ) m -CH 3 , (CH 2 -CH 2 -O) m -OH, (CH 2 -CH 2 -O) m -OCH 3 , (CH 2 ) m -NR 4 R 5 with m representing an integer from 1 to 30 - R 1 , R 2 , R 3 , R 4 and R 5 independently represent H or a C1-C6 alkyl and (ii) at least one bio-resorbable block copolymer cross-linker.
