| 摘要 |
Systems and methods for using a trocar system are disclosed. The system generally comprises a trocar, a magnet, and a magnetizable cannula. The trocar has a first end and a second end. The magnetizable cannula has a central opening sized to receive the trocar. The magnet is positioned adjacent the second end of the trocar and its magnetic field releasably secures the magnetizable cannula in a position adjacent the second end of the trocar.
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