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US 2016/0256174 A1Published application
Surgical instrument and method
AssigneeWarsaw Orthopedic, Inc.
InventorsDarren Davis, Richard Hynes, Eric Lange, Anthony Melkent, Paul F. Wheeler
Life of this patent
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Abstract
A surgical instrument includes a first member defining an axis and including a cutting surface. A second member includes a cutting surface that is rotatable relative to the first member. A third member includes an outer surface. The cutting surface of the second member is rotatable relative to the outer surface to transfer the cut tissue along the axis. Systems and methods are disclosed.
Claims20
A surgical instrument comprising:
- a first member defining an axis and including a cutting surface;
- a second member including a cutting surface being rotatable relative to the first member;
- and
- a third member including an outer surface defining at least a portion of a passageway configured for disposal of cut tissue,
- wherein the cutting surface of the second member is rotatable relative to the third member to transfer the cut tissue along the axis.
2 more elements
A surgical instrument comprising:
- a housing defining a longitudinal axis and including an inner surface that defines a cavity, the housing further including a cutting surface that defines at least two spaced openings;
- and
- an auger comprising a rotatable cutter disposed within the cavity and being rotatable relative to the housing, the rotatable cutter defining an interior cavity, the auger further comprising a stationary member disposed within the interior cavity and being fixed with the housing, the stationary member including a helical outer surface such that the rotatable cutter rotates about the helical outer surface to transfer cut tissue in a first direction along the axis.
A surgical instrument comprising:
- a first member defining an axis and including a cutting surface;
- a second member being fixed relative to the first member;
- and
- a third member including a cutting surface that is rotatable relative to the second member and an inner surface defining at least a portion of a passageway configured for disposal of cut tissue,
- wherein the cutting surface of the third member is rotatable to transfer the cut tissue along the axis.
2 more elements
Dependencies are inferred from the claim text.