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    • 3. 发明申请
    • ARTERIAL FLASHBACK CONFIRMATION CHAMBER
    • 文体闪回确认室
    • WO2010093795A1
    • 2010-08-19
    • PCT/US2010/023902
    • 2010-02-11
    • BECTON, DICKINSON AND COMPANYSONDEREGGER, Ralph L.
    • SONDEREGGER, Ralph L.
    • A61M25/06
    • A61M25/0693
    • The present invention relates to an arterial flashback confirmation chamber. Generally, the confirmation chamber is used with a vascular access device to allow an operator to see active arterial flashback confirmation for a period of time that is long enough to permit the operator to properly place the cannula of the vascular access device within a patient's artery. In some instances, the confirmation chamber comprises a flashback compartment, means for prolonging active arterial flashback confirmation, and a vent. Some examples of suitable prolonging means comprise a flashback compartment with a relatively large internal volume, circuitous tubing, an absorbent material, an orifice and/or tubing with a smaller inner diameter than the inner diameter of the cannula, and the like. Where the vascular access device comprises a catheter assembly, the catheter assembly and confirmation camber are optionally used with a guide wire and/or a blood sensor.
    • 本发明涉及动脉回流确认室。 通常,确认室与血管通路装置一起使用,以允许操作者在足够长的时间内看到主动脉回流确认,以允许操作者将血管通路装置的套管适当地放置在患者的动脉内。 在一些情况下,确认室包括回火舱,用于延长主动脉回流确认的装置和通气口。 合适的延长装置的一些实例包括具有相对较大的内部体积的回流舱,迂回管,吸收材料,具有比插管的内径更小的内径的孔和/或管等。 在血管进入装置包括导管组件的地方,导管组件和确认弧度可任选地与导丝和/或血液传感器一起使用。