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    • 4. 发明授权
    • Compliant balloon catheter
    • 符合气囊导管
    • US07727191B2
    • 2010-06-01
    • US11129210
    • 2005-05-13
    • Teresa Ann MihalikJean-Luc PageardJohn W. Lehmann
    • Teresa Ann MihalikJean-Luc PageardJohn W. Lehmann
    • A61M29/00A61F7/12
    • A61B18/02A61B2017/22051A61B2018/0022A61B2018/0212A61B2018/0262A61M25/1011A61M2025/1013
    • A catheter includes a first expandable membrane having a first pressurization limit and a second expandable membrane, having a second pressurization limit, wherein the second pressurization limit is greater than the first pressurization limit, the first expandable membrane defines a cooling chamber, the second expandable membrane being disposed around the first expandable membrane to define an junction therebetween. The catheter includes a coolant injection lumen in fluid communication with the at least one fluid inlet port and the cooling chamber, and a primary coolant return lumen in fluid communication with the at least one fluid outlet port and the cooling chamber. The coolant injection tube, the cooling chamber, and the primary coolant return lumen define a first fluid pathway. The catheter further includes a secondary coolant return lumen in fluid communication with the at least one fluid outlet port and the junction. The junction and the secondary coolant return lumen define a second fluid pathway. The catheter provides a fail-safe feature by selecting the appropriate first and second pressurization limits for the first and second expandable membranes.
    • 导管包括具有第一加压极限的第一可膨胀膜和具有第二加压极限的第二可膨胀膜,其中所述第二加压极限大于所述第一加压极限,所述第一可膨胀膜限定冷却室,所述第二可膨胀膜 被布置在第一可膨胀膜周围以限定它们之间的接合部。 所述导管包括与所述至少一个流体入口和所述冷却室流体连通的冷却剂注入腔,以及与所述至少一个流体出口和所述冷却室流体连通的主冷却剂返回内腔。 冷却剂注入管,冷却室和主冷却剂回流腔限定第一流体通路。 导管还包括与至少一个流体出口和接合部流体连通的二次冷却剂返回内腔。 连接点和二次冷却剂回流腔限定第二流体通路。 该导管通过为第一和第二可膨胀膜选择适当的第一和第二加压限制来提供故障安全特征。
    • 5. 发明授权
    • Compliant balloon catheter
    • 符合气囊导管
    • US08425456B2
    • 2013-04-23
    • US12768218
    • 2010-04-27
    • Teresa Ann MihalikJean-Luc PageardJohn W. Lehmann
    • Teresa Ann MihalikJean-Luc PageardJohn W. Lehmann
    • A61M29/00A61F7/12
    • A61B18/02A61B2017/22051A61B2018/0022A61B2018/0212A61B2018/0262A61M25/1011A61M2025/1013
    • A catheter includes a first expandable membrane having a first pressurization limit and a second expandable membrane, having a second pressurization limit, wherein the second pressurization limit is greater than the first pressurization limit, the first expandable membrane defines a cooling chamber, the second expandable membrane being disposed around the first expandable membrane to define an junction therebetween. The catheter includes a coolant injection lumen in fluid communication with the at least one fluid inlet port and the cooling chamber, and a primary coolant return lumen in fluid communication with the at least one fluid outlet port and the cooling chamber. The coolant injection tube, the cooling chamber, and the primary coolant return lumen define a first fluid pathway. The catheter further includes a secondary coolant return lumen in fluid communication with the at least one fluid outlet port and the junction. The junction and the secondary coolant return lumen define a second fluid pathway. The catheter provides a fail-safe feature by selecting the appropriate first and second pressurization limits for the first and second expandable membranes.
    • 导管包括具有第一加压极限的第一可膨胀膜和具有第二加压极限的第二可膨胀膜,其中所述第二加压极限大于所述第一加压极限,所述第一可膨胀膜限定冷却室,所述第二可膨胀膜 被布置在第一可膨胀膜周围以限定它们之间的接合部。 所述导管包括与所述至少一个流体入口和所述冷却室流体连通的冷却剂注入腔,以及与所述至少一个流体出口和所述冷却室流体连通的主冷却剂返回内腔。 冷却剂注入管,冷却室和主冷却剂回流腔限定第一流体通路。 导管还包括与至少一个流体出口和接合部流体连通的二次冷却剂返回内腔。 连接点和二次冷却剂回流腔限定第二流体通路。 该导管通过为第一和第二可膨胀膜选择适当的第一和第二加压限制来提供故障安全特征。