发明名称 |
FREEZE-DRIED COMPOSITE MATERIALS AND PROCESSES FOR THE PRODUCTION THEREOF |
摘要 |
The invention provides a sterile freeze-dried sponge, wherein at least 80% by weight of the sponge consists of collagen and oxidized regenerated cellulose in the weight ratio 60:40 to 40:60, wherein the sponge has a dry tensile streng th of more than 3N and/or a wet tensile strength of more than 1 N. Preferably, the collagen has a degree of denaturation less than 20% and the sponge is substantially free of chemical cross-links. The invention also provides methods for the manufacture of sponges according to the invention |
申请公布号 |
CA2347331(A1) |
申请公布日期 |
2001.11.12 |
申请号 |
CA20012347331 |
申请日期 |
2001.05.10 |
申请人 |
JOHNSON & JOHNSON MEDICAL LIMITED |
发明人 |
HARVEY, WIL;VAN LEEUWEN, PETER;AITKEN, WILL;HYLAND, TOM |
分类号 |
A61L2/08;A61L15/16;A61L31/04;(IPC1-7):A61H33/00 |
主分类号 |
A61L2/08 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|