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    • 9. 发明授权
    • Transport catheter
    • 运输导管
    • US5662620A
    • 1997-09-02
    • US675365
    • 1996-07-02
    • Clement E. LieberMiriam H. TaimistoMark A. Konno
    • Clement E. LieberMiriam H. TaimistoMark A. Konno
    • A61B5/028A61B8/06A61B8/12A61M25/00
    • A61B8/06A61B5/028A61B8/12A61M25/0023A61M25/0029A61M25/003A61M25/0032
    • A catheter with several independent lumens extending longitudinally through the catheter for accepting probes and for introducing fluid through the catheter and into a body cavity is disclosed. The cathater outer body has a cross-sectional maximum outer dimension. The first lumen is circular in cross-section, and has a cross-sectional dimension of approximately half the maximum outer dimension of the catheter body. The first lumen is capable of accepting various probes, as well as allowing simultaneous fluid flow through the lumen. The second lumen is crescent-shaped in cross-section and occupies at least a quarter of an arc around the cross-section of the catheter body. The large cross-section of the second lumen allows for a high fluid flow rate through the lumen. The third lumen allows for inflation of an inflation balloon (when present), and the fourth lumen allows for the passing of a portion of an instrument along the length of the lumen.
    • 公开了一种导管,其具有纵向延伸穿过导管以接纳探针并将流体引入导管并引入体腔的几个独立腔。 催化器外体具有横截面的最大外部尺寸。 第一腔是横截面为圆形,并且具有大约是导管体的最大外尺寸的一半的横截面尺寸。 第一个腔能够接受各种探针,同时允许液体同时流过内腔。 第二管腔的横截面为月牙形,并且在导管主体的横截面周围占据至少四分之一弧。 第二管腔的大横截面允许通过内腔的高流体流速。 第三管腔允许充气气囊(当存在时)的膨胀,并且第四管腔允许器械的一部分沿着管腔的长度通过。