摘要 |
1. Collagen insert containing an active ingredient for introduction into bones or soft parts, characterized in that it is prepared by adding to a solution of high-purity native collagen, wherein the collagen has a factor of nitrogen to hydroxyproline =< 3 to 5, a solution or suspension of said active ingredient and then by drying with hot air or by freeze-drying a sheet is produced in the form of a fascia and finally it is optionally wound to form a rod. |