发明名称 Drug delivery system comprising a volume increasing matrix containing a plurality of tiny pills
摘要 A delivery device is disclosed for delivering a beneficial drug to a biological environment of use. The device comprises a hydrogel reservoir containing tiny pills. The tiny pills comprise a wall surrounding a drug core.
申请公布号 US4764380(A) 申请公布日期 1988.08.16
申请号 US19870014944 申请日期 1987.02.13
申请人 ALZA CORPORATION 发明人 URQUHART, JOHN;THEEUEWS, FELIX
分类号 A61K9/00;A61K9/20;A61K9/22;A61K9/26;(IPC1-7):A61K9/22;A61K9/52 主分类号 A61K9/00
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