medical devices containing non-woven meltblown poly-4-hydroxybutyrate and copolymers

A nonwoven comprising poly-4-hydroxybutyrate or copolymer thereof, elque the nonwoven is obtained from a process meltblown, and wherein the non-tejidocomprende fine fibers having an average diameter of about 1 .mu.m 50y some resistance to break greater than 0.1 Kgf.