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    • 2. 发明申请
    • OPERATIONAL ENHANCEMENTS FOR USING COOLING CATHETERS
    • 使用冷却导管的操作增强
    • WO0103606A9
    • 2002-09-12
    • PCT/US0018601
    • 2000-07-07
    • ALSIUS CORPBALDING DAVID P
    • BALDING DAVID P
    • A61F7/12A61B18/18
    • A61F7/12A61F2007/126
    • This invention is a cooling catheter (100) a continuous internal path extending from a supply opening (116) to the distal end of the catheter, and then back to a return operning (118); thus forming a sealed path, and preventing any contact between the coolant, and the patient. The catheter may have various structural features such as a multi-lumen coolant path, a heat exchange bundle of multiple thin hollow fibers, various shapes, etc. One operating technique includes the physician inserting the catheter into the patient's body, attaching the supply opening to a coolant source, and applying suction to the return opening, causing coolant to travel within the predefined coolant path. In another embodiment, which may operate under pressure, and/or suction, the coolant comprises a slushy medium of ice particles in a liquid coolant.
    • 本发明是冷却导管(100),从供给开口(116)延伸到导管的远端,然后返回到返回操作(118)的连续内部路径; 从而形成密封路径,并且防止冷却剂和患者之间的任何接触。 导管可以具有各种结构特征,例如多腔冷却剂通道,多个中空纤维的热交换束,各种形状等。一种操作技术包括医师将导管插入患者体内,将供应开口连接到 冷却剂源,并且向返回开口施加吸力,导致冷却剂在预定的冷却剂路径内行进。 在可在压力和/或吸力下运行的另一实施例中,冷却剂包括液体冷却剂中的冰颗粒的泥浆介质。
    • 3. 发明申请
    • OPERATIONAL ENHANCEMENTS FOR USING COOLING CATHETERS
    • 使用冷却导管的操作增强
    • WO0103606A3
    • 2001-11-15
    • PCT/US0018601
    • 2000-07-07
    • ALSIUS CORPBALDING DAVID P
    • BALDING DAVID P
    • A61F7/12A61B18/18
    • A61F7/12A61F2007/126
    • This invention is a cooling catheter (100) a continuous internal path extending from a supply opening (116) to the distal end of the catheter, and then back to a return operning (118); thus forming a sealed path, and preventing any contact between the coolant, and the patient. The catheter may have various structural features such as a multi-lumen coolant path, a heat exchange bundle of multiple thin hollow fibers, various shapes, etc. One operating technique includes the physician inserting the catheter into the patient's body, attaching the supply opening to a coolant source, and applying suction to the return opening, causing coolant to travel within the predefined coolant path. In another embodiment, which may operate under pressure, and/or suction, the coolant comprises a slushy medium of ice particles in a liquid coolant.
    • 本发明是冷却导管(100),从供应开口(116)延伸到导管的远端,然后返回到返回操作(118)的连续内部路径; 从而形成密封路径,并且防止冷却剂和患者之间的任何接触。 导管可以具有各种结构特征,例如多腔冷却剂路径,多个中空纤维的热交换束,各种形状等。一种操作技术包括医师将导管插入患者体内,将供应开口连接到 冷却剂源,并且将吸力施加到返回开口,使冷却剂在预定的冷却剂路径内行进。 在可在压力和/或吸力下运行的另一实施例中,冷却剂包括液体冷却剂中的冰颗粒的泥浆介质。
    • 6. 发明申请
    • METHOD OF SELECTIVELY SHAPING HOLLOW FIBERS OF HEAT EXCHANGE CATHETER
    • 选择形成热交换器中空纤维的方法
    • WO0072787A9
    • 2002-07-25
    • PCT/US0014480
    • 2000-05-25
    • ALSIUS CORPBALDING DAVID PFOSTER STEVEN C
    • BALDING DAVID PFOSTER STEVEN C
    • A61F7/00A61F7/12F28F21/06
    • A61F7/12A61F2007/0054F28F21/062Y10T428/2976
    • A group of multiple hollow fibers (600) are shaped to introduce angular divergence (608) among the fibers, or to introduce a selected oscillation into the fibers. In one case, the fibers (800) are held in parallel while upper, and lower crimping assemblies of parallel crimping bars (904) are drawn together on opposite sides of the parallel fibers, sandwiching the fibers between them causing each fiber to assume a shape that oscillates as the fiber repeatedly goes over, and under successive bars. Since the crimping bars are aligned at oblique angles to the fibers, the peaks, and valleys of the successive fibers are offset. In this position, the fibers are heated, and then cooled to permanently retain their shape. In another case, a shaping technique utilizes a lattice of criss-crossing tines (300) defining multiple apertures which results in the fibers having a prescribed outward divergence relative to each other.
    • 一组多个中空纤维(600)成形为在纤维之间引入角度发散(608),或将选定的振动引入纤维中。 在一种情况下,纤维(800)保持平行,而平行卷边杆(904)的上部和下部压接组件被拉在一起在平行纤维的相对侧上,将纤维夹在它们之间,使得每个纤维呈现形状 当光纤重复地过去时,并在连续的条形下振荡。 由于压接杆与纤维成倾斜的角度对齐,所以连续纤维的峰和谷被抵消。 在这个位置,纤维被加热,然后被冷却以永久保持其形状。 在另一种情况下,成形技术利用限定多个孔的十字交叉尖(300)的格子,其导致纤维相对于彼此具有规定的向外发散。