The present invention relates to a medical device for angioplasty or parts thereof, which is made of elastomeric material, wherein the elastomeric material comprises a polyamide-based polymer obtained from the polymerization of a compound forming polyamide blocks that is selected from the group consisting of an aminocarboxylic acid of Formula (1) and a lactam of Formula (2): with a polyether diamine triblock compound of Formula (3): and a dicarboxylic acid of Formula (4): HOOC-(R3)m-COOH(4) wherein the groups R1, R2 and R3 are each binding groups comprising a hydrocarbon chain therein that may be interrupted by one or more amide groups x is an integer from 1 to 20 y is an integer from 4 to 50, z is an integer from 1 to 20 m is 0 or 1.
