Importance

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Abstract

A bone plug is provided for insertion into the medullary canal of a patient bone during orthopedic surgery, wherein the bone plug restricts or prevents passage of bone cement introduced under pressure into the medullary canal. The bone plug comprises a generally cylindrical member formed from a biocompatible material such as polyethylene and having sets of distal and proximal fins formed thereon. The bone plug is installed with an insertion tool that can be readily manipulated to orient the distal fins to define distally presented outer edges to anchor the bone plug by biting into patient bone, whereas the proximal fins are oriented to define proximally presented outer edges to seal against bypass flow of bone cement past the bone plug.

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First Claim