Patent ID: 11911077
Assignee: K2M, INC.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 17:
18. A spinal system, comprising:
a first connector assembly including a first mount coupled to a first bone anchor and supporting a first ring, a screw detachably coupleable with the first mount, and a nut that threadably engages the screw,
wherein the screw is configured to threadably secure the first connector assembly to the first bone anchor, and
wherein the nut comprises a first drive portion having a first taper portion and a first skirt that extends distally from the first tapered portion, the first skirt is substantially cylindrical and has an outer surface that extends transverse to an outer surface of the first tapered portion so as to define an angle therebetween;

a second connector assembly including a second mount coupled to a second bone anchor and supporting a second ring; and
a cross member coupled to the first and second rings and extending between the first and second connector assemblies.