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
- 专利标题: Drug delivery system for delivering a plurality of tiny pills in the gastrointestinal tract
- 专利标题(中): 用于在胃肠道中递送多个微小药丸的药物递送系统
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申请号: US571299申请日: 1984-01-16
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公开(公告)号: US4649043A公开(公告)日: 1987-03-10
- 发明人: John Urquhart , Felix Theeuwes
- 申请人: John Urquhart , Felix Theeuwes
- 申请人地址: CA Palo Alto
- 专利权人: ALZA Corporation
- 当前专利权人: ALZA Corporation
- 当前专利权人地址: CA Palo Alto
- 主分类号: A61K9/00
- IPC分类号: A61K9/00 ; A61K9/20 ; A61K9/22 ; A61K9/26
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.
公开/授权文献
- US5691044A Light absorptive antireflector 公开/授权日:1997-11-25
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