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US 2014/0277193 A1Published application
Bone fastener and methods of use
AssigneeWarsaw Orthopedic, Inc.
InventorsJean-Pierre Mobasser Mobasser, Y. Raja Rampersaud, Joshua W. Simpson, Nicholas Benson, William Alan Rezach
Life of this patent
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Abstract
A bone fastener comprises a first end and a second end defining a longitudinal axis and being configured to penetrate tissue. The second end has a first portion having a thread diameter and a core diameter. The second portion has a core diameter less than the core diameter of the first portion. The second portion includes a threaded surface and a substantially even surface. Systems and methods are disclosed.
Claims20
A bone fastener comprising:
- a first end;
- and
- a second end defining a longitudinal axis and being configured to penetrate tissue, the second end having a first portion having a thread diameter and a core diameter, and
- a second portion having a core diameter less than the core diameter of the first portion, the second portion including a threaded surface and a substantially flat surface.
1 more element
A method for inserting a bone fastener, comprising the steps of:
- puncturing bone with a distal tip of the bone fastener;
- oscillating the bone fastener clockwise and counter-clockwise to axially advance the bone fastener to a first depth;
- rotating the bone fastener after the bone fastener has reached the first depth to threadingly engage bone and advance the bone fastener to a second depth.
Dependencies are inferred from the claim text.