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    • 1. 发明申请
    • CATHETERS WITH SUCTION CAPABILITY AND RELATED METHODS AND SYSTEMS FOR OBTAINING BIOSAMPLES IN VIVO
    • 具有吸收能力的吸管和用于在体内获取生物体的相关方法和系统
    • WO2003033045A2
    • 2003-04-24
    • PCT/US2002/030354
    • 2002-09-25
    • ARGOMED LTD.CIOANTA, IulianLAZAROVITZ, JacobKLEIN, Richard, Barry
    • CIOANTA, IulianLAZAROVITZ, JacobKLEIN, Richard, Barry
    • A61M
    • A61B18/04A61B10/0045A61B2017/00274A61B2017/22051A61B2017/22069A61B2018/00547A61B2018/046A61M25/0017A61M25/0032A61M25/007A61M25/1011A61M2025/0036
    • Methods, systems, and computer program products for obtaining a sample in vivo and/or treating a subject include positioning an elongated transurethral catheter in the prostatic urethra of a subject, the catheter having a bladder anchoring balloon, at least one biosample entry port disposed axially away from the bladder anchoring balloon, and an axially extending biosample flow channel in fluid communication with the biosample entry port held internally in the catheter. The anchoring balloon is inflated to position the catheter so that the fluid entry port is proximate the prostatic urethra of the subject and prostatic fluid is suctioned from the prostatic urethra into the biosample entry port and into the biosample flow channel. The catheter can include a thermal treatment balloon and/or dilatation balloon and the suctioned sample can be obtained concurrently with, during, or proximate in time to the applied treatment. The catheter can be configured to allow urine to drain therethrough during the treatment/collection of the sample while keeping the urine isolated from the collected prostatic fluid sample.
    • 用于在体内获得样品和/或治疗受试者的方法,系统和计算机程序产品包括将细长的经尿道导管定位在受试者的前列腺尿道中,所述导管具有膀胱锚定球囊,至少一个生物样本入口端口 远离气囊锚定气囊,以及轴向延伸的生物样品流动通道,其与保持在导管内部的生物样品入口端口流体连通。 锚定气囊被充气以定位导管,使得流体进入端口靠近受试者的前列腺尿道,并且前列腺液体从前列腺尿道吸入生物样品入口并进入生物样品流动通道。 导管可以包括热处理球囊和/或扩张球囊,并且抽吸样品可以在施用的治疗时间期间,期间或接近时间获得。 导管可以被配置成允许尿液在样品的处理/收集期间从其中排出,同时保持尿液与收集的前列腺液体样品分离。
    • 2. 发明申请
    • TREATMENT CATHETERS WITH THERMALLY INSULATED REGIONS
    • 治疗导管与热绝缘区域
    • WO2002058578A1
    • 2002-08-01
    • PCT/US2001/047793
    • 2001-11-13
    • ARGOMED, LTD.CIOANTA, IulianKLEIN, Richard, BarryLAZAROVITZ, Jacob
    • CIOANTA, IulianKLEIN, Richard, BarryLAZAROVITZ, Jacob
    • A61B18/08
    • A61B18/04A61B2017/00274A61B2017/22069A61B2018/00547A61B2018/046A61F7/123A61M31/00A61M2210/166
    • Flexible treatment catheters are configured to be inserted into a body lumen or cavity to deliver heated fluid through at least one fluid lumen therein to thermally treat or ablate a targeted site in a biological subject. The flexible treatment catheters can include improved thermally insulated regions comprising a mixture formed of liquid elastomeric (such as a polyurethane) mixture (which transitions to a solid state) and miniaturized hollow plastic bodies positioned between the outer wall of the treatment catheter and the fluid lumen. The thermally insulated region is configured such that, measured ex vivo, the treatment catheter can present a maximum temperature of below about 45°C on the external surface of the outer wall of the treatment catheter when the treatment catheter circulates fluid having an inlet temperature of above or between about 60°-62°C. Alternatively or additionally, the treatment catheter can include an elongated insert positioned in a catheter fluid lumen to inhibit the closure of the lumen after exposure to fluids in the treatment catheter at temperatures sufficient to thermal ablate targeted tissue over a thermal ablation treatment period. The treatment catheter can include a urinary drainage lumen with an elongated insert frictionally engaged therewith, the drainage lumen and insert are configured to provide a fluid volume throughput through the drainage lumen of greater than about 20-25 ml/min during and after (for about 12-72 hours after) a thermal ablation session.
    • 柔性治疗导管被构造成插入体腔或空腔中以将加热的流体通过其中的至少一个流体腔传递到热处理或消融生物学对象中的靶位点。 柔性治疗导管可以包括改进的热绝缘区域,其包括由液体弹性体(例如聚氨酯)混合物(其转变为固体状态)和位于治疗导管的外壁和流体内腔之间的小型化中空塑料体形成的混合物 。 隔热区域被构造成使得,离体测量时,当处理导管循环具有入口温度的流体的流体时,治疗导管可以在治疗导管的外壁的外表面上呈现低于约45℃的最高温度 或者或另外,治疗导管可以包括定位在导管流体腔中的细长插入物,以在暴露于治疗导管中的流体以在足以热消融的温度下抑制内腔闭合 在热消融治疗期间的靶组织。 治疗导管可以包括具有与其摩擦接合的细长插入件的排尿腔,排液腔和插入物被配置成在其期间和之后提供大于约20-25ml / min的流体体积通过排液腔 12-72小时后)热消融术。