| 摘要 |
Disclosed are cylinders having a wall formed of at least one layer of sterilized cross-linked Types I, II, III collagen or combinations thereof from placenta for nerve and blood vessel grafts, methods of manufacture and use. The nerve grafts promote axon regeneration therethrough. The nerve and blood vessel grafts are non-immunogenic, can be constructed into tubes of various lengths and diameters, are easily accessible and are patent or open in use. |
