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    • 3. 发明授权
    • Enhanced bleed back system
    • 增强排气系统
    • US07695492B1
    • 2010-04-13
    • US10462065
    • 2003-06-12
    • Mark AshbyAndrew H. CraggLuis R. UrquidiEduardo Chi Sing
    • Mark AshbyAndrew H. CraggLuis R. UrquidiEduardo Chi Sing
    • A61M5/00
    • A61B17/0057A61B2017/00637A61B2017/00672A61B2090/062
    • The present invention provides for an apparatus to locate a blood vessel puncture having a bleed back entrance port near a first end, a bleed back exit port near a second end; and a lumen extending between the bleed back entrance port and the bleed back exit port, wherein said bleed back entrance port has a diameter substantially equal to or greater than the lumen diameter. The present invention further provides for a method for locating a blood vessel puncture by inserting a locator into a blood vessel lumen, the locator having a bleed back entrance port at a first end, a bleed back exit port at a second end, and a finger adjacent the bleed back entrance port, observing a blood flow out of the bleed back exit port, and withdrawing the locator out of the blood vessel lumen until the finger contacts the blood vessel wall.
    • 本发明提供一种装置,用于定位在第一端附近具有排泄口入口的血管穿刺,靠近第二端的排出口; 以及在所述排泄口入口和所述排泄口出口之间延伸的内腔,其中所述排泄口入口具有基本上等于或大于所述管腔直径的直径。 本发明还提供一种通过将定位器插入血管内腔来定位血管穿刺的方法,所述定位器在第一端具有排出口入口,在第二端具有排出口,并且在手指 邻近排出口入口,观察从出血口出口的血液流出,并将定位器从血管腔排出,直到手指接触血管壁。