Patent ID: 8187254

Claim:
Drain suitable for draining a human or animal antrum, organ or tissue, characterized in that it comprises an elastic biocompatible, biodegradable synthetic thermoplastic non-chemically-crosslinked polymer, which polymer has at least one softening point of at most mammalian body temperature and an elastic modulus of up to 120 MPa, wherein the biodegradable polymer comprises at least one of a polyester, polycarbonate, polyester-carbonate, polyanhydride, polyurethane or polyamide which are optionally combined with polyether groups, wherein the polyester is a random DL-Lactide-ε-caprolactone copolyester, having a lactide content of 20-75 mol % and the optional polyether is polyethyleneglycol, polypropyleneglycol, copolymers of polyethyleneglycol and polypropyleneglycol or polytetramethyleneoxide (PTMO).