Patent ID: 11918262
Assignee: K2M, INC.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. A fixation device comprising:
an outer member including an elongated body portion, a slotted tail portion, an unthreaded portion proximal to and adjacent the slotted tail portion, the outer member including helical threads tapering toward the unthreaded portion and defining a central bore therethrough extending along a central longitudinal axis, the slotted tail portion including concentric arcs extending perpendicular to the central longitudinal axis, and a head portion extending proximal to the helical threads and defining an opening therein in fluid communication with the central bore;
an inner member disposed within the central bore of the outer member; and
an expansion member coupled to the inner member, wherein proximal movement of the inner member relative to the outer member moves the expansion member into the slotted tail portion of the outer member such that the slotted tail portion moves from an undistended configuration to a distended configuration.