Importance

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Abstract

A bone access tool including a handle assembly and speculum assembly coupled to the handle assembly for accessing and channeling through biological tissue is described. The handle assembly has first and second portions that are movable relative to one another. The speculum assembly has first and second speculum members movably positioned relative to one another. The speculum members define an internal shaft arranged about a central axis and a tapered shape when positioned adjacent one another. The tapered shape gradually reduces in size from a proximal rim to a distal edge of the speculum assembly. Actuation of the handle assembly causes the first speculum member and second speculum member to spread apart from one another about the central axis so as to retract anatomical tissue and widen a size of the internal shaft for deploying a tool into the internal shaft between the speculum members.

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First Claim