| 摘要 |
A distal tip wire relief section may be applied to any cannulated instrument or implant requiring the use of a guidewire with an enlarged head, such as a ball tip guidewire used in conjunction with an intramedullary nail. The implant incorporates an enlarged opening at the leading or distal portion of the cannula. The enlarged opening is selectively placed about the periphery of the distal portion to allow opening relief in areas where guidewire removal will be facilitated. Thus, a surgeon can reliably and repeatedly remove the guidewire after implantation of the implant by pulling the enlarged head of the guidewire proximally into and through the cannula.
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