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

Claim 0:
1. A method of performing spinal surgery, comprising:
coupling a first connector assembly to a first bone anchor, wherein the first connector assembly includes a first mount, a first screw, and a first nut comprising 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;
coupling a second connector assembly to a second bone anchor;
coupling a cross member assembly to the first and second connector assemblies,
wherein the cross member assembly includes a first ring on a first end portion of a cross member and a second ring on a second end portion of the cross member, and
wherein the first and second rings are coupled to the first and second connector assemblies, respectively, to support the cross member between the first and second connector assemblies; and

selectively engaging the first taper portion the first nut with the first ring.