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    • 2. 发明授权
    • Balloon catheter for abrading a patent foramen ovale and method of using
the balloon catheter
    • 用于研磨卵孔卵泡的气囊导管和使用气囊导管的方法
    • US5919200A
    • 1999-07-06
    • US169142
    • 1998-10-09
    • Bruce D. StambaughHien V. Nguyen
    • Bruce D. StambaughHien V. Nguyen
    • A61B17/22A61B17/32A61F2/958
    • A61B17/320725A61B2017/00575A61B2017/22061A61B2017/320004A61M2025/1086A61M25/10
    • The present invention provides a device and method for closing a patent foramen ovale. The present invention comprises a catheter sheath with proximal and distal ends. A balloon catheter with a plurality of abrasive members is deployably retained within the catheter sheath. Once the catheter sheath is placed by a treating health care professional across a patent foramen ovale, the balloon catheter is advanced such that the balloon and the abrasive members are deployed outside of the distal end of the catheter sheath. The catheter sheath is then removed from the foramen ovale and the balloon is inflated. The treating healthcare professional then abrades the inner surfaces of the patent foramen ovale to thereby cause an area of thrombogenesis. The balloon catheter is then deflated and the abrasive members are then repositioned into the distal end of the catheter sheath and then removed from the patient. The thrombogenic area created along the inner surfaces of the patent foramen ovale then creates of thrombus which over time turns into a scar and the foramen ovale is obliterated.
    • 本发明提供了一种闭合卵孔卵泡的装置和方法。 本发明包括具有近端和远端的导管鞘。 具有多个研磨部件的气囊导管可部署地保持在导管鞘内。 一旦导管鞘被治疗保健专业人员穿过卵孔专利放置,则气囊导管被推进,使得球囊和研磨构件展开在导管鞘的远端的外侧。 然后将导管鞘从孔卵巢中取出并且气囊膨胀。 治疗保健专业人员然后磨损卵孔卵泡的内表面,从而引起血栓形成的一个区域。 然后将气囊导管放气,然后将研磨构件重新定位到导管护套的远端,然后从患者身上取出。 沿卵孔卵圆孔的内表面产生的血栓形成区域随之产生血栓,随着时间的推移,血栓形成瘢痕,卵圆孔被消除。
    • 9. 发明授权
    • Endocardial device for producing reversible damage to heart tissue
    • 用于产生心脏组织可逆损伤的心内膜装置
    • US06106520A
    • 2000-08-22
    • US163849
    • 1998-09-30
    • Michael D. LauferBruce D. StambaughHien V. Nguyen
    • Michael D. LauferBruce D. StambaughHien V. Nguyen
    • A61B18/04A61B18/14
    • A61B18/1492A61B18/1477A61B2018/00392A61B2018/00821A61B2018/1425
    • A minimally invasive medical or surgical device creates holes in heart tissue utilizing a needle connected to an energy source, such a radio frequency generator, a resistive heating source, or a microwave energy source. The needle is inserted into heart tissue from an interior of the heart and activated to heat the surrounding tissue in order to produce reversible tissue damage. The device consists of an energy source and regulator, electric contacts to the energy source, a catheter, and a needle at the distal end of the catheter for delivering energy to the heart tissue. The catheter is fed through the vasculature into the interior of the heart. A temperature sensor may be positioned on the needle for sensing a temperature of the heart tissue in which the needle has been inserted. Preferably, a regulator is connected to the energy source and to the temperature sensor for controlling the temperature of the heart tissue in which the needle has been inserted to about 40.degree. C. to about 60.degree. C. as sensed by the temperature sensor.
    • 微创医疗或外科手术装置利用连接到能量源的针,如射频发生器,电阻加热源或微波能量源在心脏组织中产生孔。 将针从心脏的内部插入心脏组织,并激活以加热周围的组织,以产生可逆的组织损伤。 该装置包括能量源和调节器,能量源的电触点,导管以及在导管的远端处的针,用于将能量传递到心脏组织。 导管通过脉管系统进入心脏的内部。 温度传感器可以位于针上,用于感测针已插入的心脏组织的温度。 优选地,调节器连接到能量源和温度传感器,用于将针已被插入的心脏组织的温度控制在由温度传感器感测的约40℃至约60℃。