Patents Assigned to Achim Goepferich
  • Implants with phased release of medicaments
    Patent number: 6086908
    Abstract: The invention relates to implants with phasewise release of pharmaceutical substance, which consist of a core and layers arranged concentrically around it. The core and at least one of the layers contain different pharmaceutical substances or the same pharmaceutical substance in different doses. The pharmaceutical substance-containing areas consist of surface-eroding biodegradable polymer materials.
    Type: Grant
    Filed: July 15, 1999
    Date of Patent: July 11, 2000
    Assignee: Achim Goepferich
    Inventor: Achim Gopferich