发明申请
- 专利标题： Solvent-cast microneedle arrays containing active
- 专利标题（中）： 含有活性的溶剂型微针阵列
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申请号： US12148180申请日： 2008-04-16
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公开(公告)号： US20080269685A1公开(公告)日： 2008-10-30
- 发明人: Parminder Singh , Robert Wade Worsham , Joseph C. Trautman , Danir Bayramov , Danny Lee Bowers , Andy Klemm , Steven Richard Klemm , Guohua Chen
- 申请人： Parminder Singh , Robert Wade Worsham , Joseph C. Trautman , Danir Bayramov , Danny Lee Bowers , Andy Klemm , Steven Richard Klemm , Guohua Chen
- 主分类号： A61M37/00
- IPC分类号： A61M37/00 ; B29C43/14
摘要：
In an aspect of the invention, an array of microprotrusions is formed by providing a mold with cavities corresponding to the negative of the microprotrusions, casting atop the mold a first solution comprising a biocompatible material and a solvent, removing the solvent, casting a second solution atop the first cast solution, removing the solvent from the second solution, and demolding the resulting array from the mold. The first solution preferably contains an active ingredient.
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