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    • 2. 发明申请
    • METHODS AND DEVICES FOR FORMING TREATMENT AGENT CARRIERS
    • 用于形成处理剂载体的方法和设备
    • WO2008008139A2
    • 2008-01-17
    • PCT/US2007013315
    • 2007-06-05
    • ABBOTT CARDIOVASCULAR SYSTEMSBASU SHUBHAYUMICHAL EUGENE T
    • BASU SHUBHAYUMICHAL EUGENE T
    • A61K9/14
    • A61K9/4833A61K9/145A61K9/5031A61K38/30
    • A method is described including passing a solution having a biodegradable polymer, a solvent and a treatment agent through an electrocharged nozzle to form particles encapsulating the treatment agent. The particles emitted from the electrocharged nozzle may be exposed to a charge opposite that of the nozzle. The particles may be deposited in a collection assembly comprising a liquid phase. A further method including combining a biodegradable polymer, a solvent and a treatment agent to form a solution, electrodepositing the solution in a particle form wherein the particles encapsulate the treatment agent in a collection assembly comprising a liquid phase and mixing the particles with a bioerodable material capable of forming a gel is described. An apparatus having an electrocharged nozzle, a grounded electrode having an opposite charge to that of the nozzle and a collection assembly comprising a liquid phase is further disclosed.
    • 描述了一种方法,包括使具有生物可降解聚合物,溶剂和处理剂的溶液通过电动喷嘴以形成包封处理剂的颗粒。 从电动喷嘴喷出的颗粒可能暴露在与喷嘴相反的电荷下。 颗粒可以沉积在包含液相的收集组件中。 另一种方法包括将生物可降解聚合物,溶剂和处理剂混合以形成溶液,将溶液电沉积成颗粒形式,其中颗粒将处理剂包封在包含液相的收集组件中,并将颗粒与生物可蚀性材料 描述了能够形成凝胶的能力。 还公开了具有电动喷嘴,具有与喷嘴的电荷相反的电荷的接地电极和包含液相的收集组件的设备。