发明名称 |
MEMBRANE AND A CHAMBER OF A DRUG DELIVERY DEVICE |
摘要 |
A drug delivery device for delivery of a drug which comprises a mixture of a first substance and a second substance, the device including a first chamber (24) for housing the first substance, a second chamber (30) for housing the second substance and a membrane (28) which on application of a predetermined condition thereto is movable from a first disposition in which it partitions the first and second chambers to prevent mixture of the first and second substances to a second disposition in which it enables the first and second substances to be mixed. In one aspect, the membrane (28) contains a barrier material comprising polychlorotrifluoroethylene or a copolymer thereof, polyvinylidene chloride or a copolymer thereof or a silicon oxide. In another aspect, the first chamber (24) is formed from a polyethylene based polymer. |
申请公布号 |
WO9820921(A1) |
申请公布日期 |
1998.05.22 |
申请号 |
WO1997SE01876 |
申请日期 |
1997.11.10 |
申请人 |
ASTRA AKTIEBOLAG;DANAPAK FLEXIBEL A/S;FRIIS, JOERGEN;HORPPU, PETRI |
发明人 |
FRIIS, JOERGEN;HORPPU, PETRI |
分类号 |
A61M5/28;A61M5/19;A61M5/20;A61M5/31;A61M5/32;(IPC1-7):A61M5/19 |
主分类号 |
A61M5/28 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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