发明授权
US4649043A Drug delivery system for delivering a plurality of tiny pills in the gastrointestinal tract 失效
用于在胃肠道中递送多个微小药丸的药物递送系统

Drug delivery system for delivering a plurality of tiny pills in the
gastrointestinal tract
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.
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