US 12,185,997 B2
Pedicle fixation system
Larry E. McClintock, Gore, VA (US); Jason Noel Gantick, Purcellville, VA (US); and Peter Newton, La Jolla, CA (US)
Assigned to K2M, Inc., Leesburg, VA (US)
Appl. No. 17/634,817
Filed by K2M, Inc., Leesburg, VA (US)
PCT Filed Aug. 14, 2020, PCT No. PCT/US2020/046370
§ 371(c)(1), (2) Date Feb. 11, 2022,
PCT Pub. No. WO2021/034664, PCT Pub. Date Feb. 25, 2021.
Claims priority of provisional application 62/886,431, filed on Aug. 14, 2019.
Prior Publication US 2022/0323128 A1, Oct. 13, 2022
Int. Cl. A61B 17/70 (2006.01); A61B 17/84 (2006.01); A61B 17/88 (2006.01)
CPC A61B 17/846 (2013.01) [A61B 17/7002 (2013.01); A61B 17/7032 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A pedicle fixation system, comprising:
a first fastener, the first fastener including a first head at a proximal end, a first shank extending distally from the first head along a first fastener axis and a channel extending along a skew axis, the skew axis being transverse to the first axis and the channel having a channel diameter perpendicular to the skew axis, wherein the channel extends into a shoulder spaced apart from the head, said shoulder extending radially outwards from the first fastener relative to the first axis; and
a second fastener extending through the channel, the second fastener including a second shank extending along a second fastener axis, at least a distal part of the second shank having a second fastener diameter perpendicular to the second fastener axis, the second fastener diameter being smaller than the channel diameter.