Indwelling heat exchange catheter
    2.
    发明授权
    Indwelling heat exchange catheter 有权
    留置热交换导管

    公开(公告)号:US06589271B1

    公开(公告)日:2003-07-08

    申请号:US10015505

    申请日:2001-12-13

    IPC分类号: A61F700

    摘要: Catheters adapted to exchange heat with a body fluid flowing through a body conduit employ helical elongate lumens for heat transfer with the body fluid. The helical elongate lumen of a catheter forms multiple turns extending longitudinally of a portion of the catheter with the turns each being bonded to the catheter along a fraction of the length of the turn. The length of the lumen and its orientation in each turn has the lumen otherwise displaced over a major portion of its length from the elongate body. The turns of the helical lumen can be arranged in sets having different lengths to encounter all areas of the flow. One or more infusion lumens may also extend to an infusion port or ports. The helical elongate lumen is defined by an elongate, thin-walled element. This lumen is in fluid communication with a heater/chiller supplying a working fluid for heat transfer through the wall of the elongate element defining the helical elongate lumen. A proximal hub may be associated with the catheter to establish at least one suture anchor and to receive the heater/chiller flow through input and output lumens associated with the catheter and in fluid communication with the helical elongate lumens. The elongated lumens may also be arranged in non-helical arrangements such as in a semi-circular configuration, a figure-eight loop configuration or a random loop configuration.

    摘要翻译: 适于与流过身体导管的体液交换热量的导管采用螺旋形细长腔,用于与体液的热传递。 导管的螺旋细长内腔形成多个匝,导管沿导管的一部分纵向延伸,匝各自沿转弯长度的一部分与导管接合。 内腔的长度及其在每一个回合中的取向具有内腔,其长度方向与细长主体相距很大一部分。 螺旋腔的匝数可以以具有不同长度的组合排列以遇到流动的所有区域。 一个或多个输注腔也可以延伸到输注端口。 螺旋细长的内腔由细长的薄壁元件限定。 该内腔与加热器/冷却器流体连通,加热器/冷却器供应用于通过限定螺旋细长内腔的细长元件的壁进行热传递的工作流体。 近端毂可以与导管相关联,以建立至少一个缝线锚,并且通过与导管相关联并与螺旋细长腔流体连通的输入和输出腔来接收加热器/制冷机流。 细长的腔也可以以非螺旋布置的方式布置,例如半圆形配置,图八循环配置或随机环配置。

    Method and system for treating cardiac arrest
    4.
    发明授权
    Method and system for treating cardiac arrest 有权
    治疗心脏骤停的方法和系统

    公开(公告)号:US06405080B1

    公开(公告)日:2002-06-11

    申请号:US09477490

    申请日:2000-01-04

    IPC分类号: A61N139

    摘要: A method for treating cardiac arrest includes defibrillating the patient and/or ventilating the patient and/or administering a cardiac arrest drug such as epinephrine to resuscitate the patient, and then cooling the patient's body temperature using one or more cooling catheters positioned in the central venous system of the patient and/or particularly cooling the patient's brain temperature using a catheter advanced into the aortic arch or into the carotid artery whereby a bolus of cold saline solution is introduced into the blood supplied to the brain to lower the brain temperature quickly, and further cooling or maintaining the brain temperature at a desired level by pumping coolant in a closed circuit formation between the catheter and the coolant source to remove heat from the blood supplied to the patient's brain.

    摘要翻译: 用于治疗心脏骤停的方法包括使患者去纤维化和/或使患者通风和/或施用心脏骤停药物如肾上腺素来复苏患者,然后使用位于中心静脉中的一个或多个冷却导管来冷却患者的体温 系统和/或特别是使用进入主动脉弓或进入颈动脉的导管特别冷却患者的脑温度,由此将大量冷盐水溶液引入供应给脑的血液中以迅速降低脑温度,并且 通过在导管和冷却剂源之间的封闭回路形成中泵送冷却剂以便从供应给患者的大脑的血液中除去热量来进一步冷却或保持脑温度达到所需水平。

    Method for treating cardiac arrest

    公开(公告)号:US06393320B1

    公开(公告)日:2002-05-21

    申请号:US09911371

    申请日:2001-07-24

    IPC分类号: A61N139

    摘要: A method for treating cardiac arrest includes defibrillating the patient and/or ventilating the patient and/or administering a cardiac arrest drug such as epinephrine to resuscitate the patient, and then cooling the patient's body temperature using one or more cooling catheters positioned in the central venous system of the patient and/or particularly cooling the patient's brain temperature using a catheter advanced into the aortic arch or into the carotid artery whereby a bolus of cold saline solution is introduced into the blood supplied to the brain to lower the brain temperature quickly, and further cooling or maintaining the brain temperature at a desired level by pumping coolant in a closed circuit formation between the catheter and the coolant source to remove heat from the blood supplied to the patient's brain.