| 摘要 |
Surgical port to maintain a working channel through bodily tissue includes a tubular body having a proximal portion and a distal portion, the tubular body having a working channel defined therethrough. Additionally, the surgical port includes a collar disposed at the proximal portion of the tubular body, the collar including a connection extending therefrom, and a radiopaque marker disposed at the distal portion of the tubular body. Dilatation system includes the surgical port as previously described, in combination with at least one tissue dilator.
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