| 摘要 |
A cannula system includes a multilumen cannula and a dilator. The multilumen cannula includes a first elongate body and a second elonaget body. The first elongate body has a proximal portion, a distal portion, and a first lumen that extends through the first elongate body. The first lumen is configured to reduce resistance to flow therethrough. The second elongate body defines a second lumen. The second elongate body extends along the proximal portion of the first elongate body. The dilator is configured to extend through the first lumen.
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