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21. 发明申请

US20120029495A1 ENDOLUMINAL ABLATION CRYOBALLOON AND METHOD 有权
标题翻译：内膜剥离CRYOBALLOON和方法
公开(公告)号：US20120029495A1
公开(公告)日：2012-02-02
申请号：US12845492
申请日：2010-07-28
申请人： Dan WITTENBERGER
发明人： Dan WITTENBERGER
IPC分类号： A61B18/02
CPC分类号： A61B18/02 , A61B2018/00255 , A61B2018/00642 , A61B2018/00714 , A61B2018/00744 , A61B2018/00791 , A61B2018/00863 , A61B2018/0212 , A61B2090/064
摘要： A method of ablating tissue is provided, including positioning an expandable element of a catheter in a blood vessel; inflating the expandable element with a volume of refrigerant to substantially occlude the blood vessel; measuring the volume of refrigerant used to inflate the expandable element; correlating the measured volume to an inflated dimension of the expandable element; defining at least one of a target pressure within the expandable element and a target flow rate for refrigerant delivery to the expandable element based at least in part on the inflated dimension; regulating refrigerant delivery to the expandable element to attain the at least one defined target pressure within the expandable element or defined target flow rate for fluid delivery to the expandable element; and ablating at least a portion of the blood vessel with the expandable element.
摘要翻译：提供一种消融组织的方法，包括将导管的可扩张元件定位在血管中; 用一定体积的制冷剂使可膨胀元件充气以基本上封闭血管; 测量用于使可膨胀元件膨胀的制冷剂的体积; 将测量的体积与可膨胀元件的膨胀尺寸相关联; 至少部分地基于所述膨胀的尺寸限定所述可膨胀元件内的目标压力中的至少一个和用于制冷剂输送到所述可膨胀元件的目标流量; 调节向所述可膨胀元件的制冷剂输送以达到所述可膨胀元件内的所述至少一个限定的目标压力或用于流体输送到所述可膨胀元件的限定的目标流速; 以及用所述可扩张元件烧蚀所述血管的至少一部分。

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