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公开(公告)号:US08323227B2
公开(公告)日:2012-12-04
申请号:US10884291
申请日:2004-07-02
CPC分类号: A61M25/003 , A61M1/16 , A61M1/3653 , A61M1/3656 , A61M1/3659 , A61M1/3661 , A61M5/1408 , A61M25/0026 , A61M25/0032 , A61M25/0068 , A61M25/007 , A61M39/02 , A61M39/105 , A61M2025/0031 , A61M2025/0036 , A61M2025/0073 , A61M2202/0021 , A61M2202/0413
摘要: Multi-lumen catheters with improved tip configurations, including a triple-lumen catheter which may be useful for apheresis. In one variation, the catheter has three lumens with distal openings angularly spaced apart and staggered axially with respect to one another. In another variation, the catheter has two lumens exiting distally and one centrally positioned lumen exiting proximally. A third variation is a catheter with a single distal opening and two proximal openings. The staggered lumen openings along the axial length of the catheter may decrease recirculation while maximizing flow rates.
摘要翻译: 具有改进的尖端构造的多腔导管,包括可用于血液分离术的三腔导管。 在一个变型中,导管具有三个腔,其中远侧开口相对于彼此轴向间隔开并交错。 在另一个变型中,导管具有两个离开远端的管腔,一个居中定位的管腔向近侧出射。 第三种变型是具有单个远端开口和两个近端开口的导管。 沿着导管的轴向长度的交错的管腔开口可以减少再循环,同时使流速最大化。