Patent ID: 6641831
Filing Date: 2003-11-04
Classification: A61K,A61L

Abstract:
A non-degradable medical implant comprising a support material and monolithic distribution of at least two substances or groups of substances molecularly dispersed throughout a polymeric matrix, the at least two substances having different degrees of hydrophilicity for retarded release, of which the first is referred to as substance A and the second is referred to as substance B, substance A being more lipophilic than substance B, wherein substance A has a solubility w/w in water of from 300 &mgr;g/ml to 1 &mgr;g/ml, substance B has a higher solubility than that of substance A, at least one of substances A and B is a pharmaceutically active substance, and wherein the amount of substance A or B is respectively from at least an effective amount to 10% by weight, based on the weight of the support material.