| 摘要 |
Implantable tubular medical device for vasovasostomy in mammals and wherein the device is made from a hydrophilic bio-compatible polymer, the polymer comprising a hydrophilic component, preferably N-vinylpyrrolidone, a hydrophobic component, preferably N-butylacrylate and a cross-linker, preferably tetraethyleneglycol dimethacrylate and a method for the preparation of said polymer by polymerisation from its components. <IMAGE> |
