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公开(公告)号：US11974796B2
公开(公告)日：2024-05-07
申请号：US15028790
申请日：2014-10-01
CPC分类号： A61B18/02 , A61B2018/00023 , A61B2018/00041 , A61B2018/00166 , A61B2018/00214 , A61B2018/0022 , A61B2018/00791 , A61B2018/00875 , A61B2018/0212 , A61B2018/0262 , A61B2018/0268
摘要： Disclosed herein is a catheter for plaque stabilisation by cryotherapy, the catheter comprising: a first tube with a first end for receiving a flow of a coolant and a second end for supplying the flow of the coolant to a cooling element; a second tube, with a first end and a second end, wherein the second end of the second tube is configured to receive a flow of the coolant from the cooling element such that the second tube provides a flow path of the coolant from the second end of the second tube to the first end of the second tube; an inflatable flexible heat transfer element on the outer surface of the catheter; and a conduit for supplying an inflation fluid for inflating the flexible heat transfer element, wherein, when the flexible heat transfer element is inflated by the inflation fluid, the cooling element is configured to be within the balloon and in thermal conductivity with the inflation fluid; wherein the cooling element comprises an elongate tubular wall defining an elongate cooling chamber therein, the cooling chamber has a first end that is in fluid communication with the second end of the second tube and the cooling chamber has a second end that is closed.
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公开(公告)号：US20160249969A1
公开(公告)日：2016-09-01
申请号：US15028790
申请日：2014-10-01
IPC分类号： A61B18/02
CPC分类号： A61B18/02 , A61B2018/00023 , A61B2018/00041 , A61B2018/00166 , A61B2018/00214 , A61B2018/0022 , A61B2018/00791 , A61B2018/00875 , A61B2018/0212 , A61B2018/0262 , A61B2018/0268
摘要： Disclosed herein is a catheter for plaque stabilisation by cryotherapy, the catheter comprising: a first tube with a first end for receiving a flow of a coolant and a second end for supplying the flow of the coolant to a cooling element; a second tube, with a first end and a second end, wherein the second end of the second tube is configured to receive a flow of the coolant from the cooling element such that the second tube provides a flow path of the coolant from the second end of the second tube to the first end of the second tube; an inflatable flexible heat transfer element on the outer surface of the catheter; and a conduit for supplying an inflation fluid for inflating the flexible heat transfer element, wherein, when the flexible heat transfer element is inflated by the inflation fluid, the cooling element is configured to be within the balloon and in thermal conductivity with the inflation fluid; wherein the cooling element comprises an elongate tubular wall defining an elongate cooling chamber therein, the cooling chamber has a first end that is in fluid communication with the second end of the second tube and the cooling chamber has a second end that is closed.
摘要翻译： 本文公开了一种用于通过冷冻治疗进行斑块稳定的导管，所述导管包括：第一管，其具有用于接收冷却剂流的第一端和用于将冷却剂流供应到冷却元件的第二端; 第二管，其具有第一端和第二端，其中第二管的第二端构造成从冷却元件接收冷却剂的流动，使得第二管提供来自第二端的冷却剂的流动路径 的第二管的第一端; 在导管的外表面上的可膨胀的柔性传热元件; 以及用于供应用于使柔性传热元件膨胀的充气流体的导管，其中当柔性传热元件被膨胀流体膨胀时，冷却元件构造成在气囊内并且具有膨胀流体的导热性; 其中所述冷却元件包括在其中限定细长冷却室的细长管状壁，所述冷却室具有与所述第二管的第二端流体连通的第一端，并且所述冷却室具有关闭的第二端。
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