Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Implant or insert
Reexamination Certificate
2007-11-13
2007-11-13
Zimmer, Marc S. (Department: 1712)
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Implant or insert
C128S898000, C424S437000, C514S953000, C523S113000
Reexamination Certificate
active
10542420
ABSTRACT:
The invention relates to an otorhinological delivery device comprising at least one pharmaceutically active agent. According to the invention the device comprises a core comprising said at least one pharmaceutically active agent wherein said core is made of an elastomer composition selected from the group consisting of poly(dimethylsiloxane), a siloxane-based elastomer comprising 3,3,3-trifluoropropyl groups attached to the Siatoms of the siloxane units, a siloxane-based elastomer comprising poly(alkylene oxide) groups and mixtures thereof, and a membrane encasing said core, said membrane being made of a same or a different elastomer composition than said core, said elastomer composition being selected from the group consisting of poly(dimethylsiloxane), a siloxane-based elastomer comprising 3,3,3-trifluoropropyl groups attached to the Siatoms of the siloxane units, a siloxane-based elastomer comprising poly(alkylene oxide) groups and mixtures thereof. The invention is characterized in that the pharmaceutically active agent is selected from the group comprising anti-allergic agents, anti-inflammatory agents, anti-fungicides, glucocorticoids and mixtures thereof.
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Ala-Sorvari Juha
Arnold Wolfgang
Haapakumpu Timo
Jukarainen Harri
Rankonen Henry
Lydon James C.
Schering Oy
Zimmer Marc S.
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