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    • 12. 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。
    • 15. 发明申请
    • METHODS FOR INHIBITING REPERFUSION INJURY
    • 抑制再灌注损伤的方法
    • WO2008013743A3
    • 2008-07-03
    • PCT/US2007016432
    • 2007-07-19
    • ABBOTT CARDIOVASCULAR SYSTEMSMICHAL EUGENE TCALLAS PETER LLUDWIG FLORIAN N
    • MICHAL EUGENE TCALLAS PETER LLUDWIG FLORIAN N
    • A61K31/4433A61K31/56A61M25/00A61P9/10
    • A61M25/104A61M2025/1095
    • A method that includes introducing a catheter assembly to an obstructed region of a blood vessel lumen and recanalizing the obstructed region with the catheter assembly is disclosed. Prior to or during recanalization, a treatment agent may be delivered through the catheter assembly to a vessel region downstream to the obstructed region. The treatment agent may have a property that will inhibit reperfusion injury. Alternatively, a medical device may be introduced to an obstructed region of a blood vessel lumen and the obstructed region recanalized with the medical device. The treatment agent may be delivered to a vessel region downstream to the obstructed region. The treatment agent may include at least one of an immunosuppresant and an antioxidant. In other methods, a delivery cannula may be introduced to an unperfused region of an occluded vessel without disrupting the occlusion and the treatment agent having a property that will inhibit reperfusion injury may be delivered to the unperfused region through the delivery cannula. After delivering the treatment agent, the occluded vessel may be recanalized by advancing an angioplasty device into the occluded vessel.
    • 公开了一种方法,该方法包括将导管组件引入血管内腔的阻塞区域并用导管组件重新阻塞阻塞区域。 在再通之前或再通过期间,可以通过导管组件将治疗剂递送至受阻区域下游的脉管区域。 治疗剂可能具有抑制再灌注损伤的性质。 或者,可以将医疗装置引入血管腔的阻塞区域,并且利用医疗装置对阻塞区域进行再通。 处理剂可被输送至受阻区域下游的容器区域。 治疗剂可以包括免疫抑制剂和抗氧化剂中的至少一种。 在其他方法中,可将输送套管引入闭塞血管的未灌注区域而不破坏闭塞,并且具有抑制再灌注损伤性质的治疗剂可通过输送套管输送至未灌注区域。 在递送治疗剂之后,可以通过将血管成形术装置推进到闭塞的血管中来使闭塞的血管再通。