US 12,226,128 B2
Dual locking polyaxial screw head
David Leff, Philadelphia, PA (US); John LaColla, West Chester, PA (US); David Peretz, Wynnewood, PA (US); Matthew Bechtel, Philadelphia, PA (US); Darren Clutter, Barto, PA (US); and Adam Friedrich, Cinnaminson, NJ (US)
Assigned to Globus Medical, Inc., Audubon, PA (US)
Filed by GLOBUS MEDICAL, INC., Audubon, PA (US)
Filed on Aug. 4, 2022, as Appl. No. 17/817,391.
Application 17/817,391 is a continuation of application No. 16/707,183, filed on Dec. 9, 2019, abandoned.
Prior Publication US 2023/0024542 A1, Jan. 26, 2023
Int. Cl. A61B 17/70 (2006.01); A61B 17/88 (2006.01)
CPC A61B 17/7037 (2013.01) [A61B 17/7032 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A polyaxial bone screw assembly comprising:
a tulip having a base portion, a first portion extending from the base portion and a second portion extending from the base portion, wherein a first opening is positioned between the first portion and the second portion, wherein a second opening is positioned in the base portion;
a saddle movably disposed within the tulip between the first and second openings, the saddle comprising an upper end and a lower end, the upper end comprising an upper surface configured to receive a spinal rod, the lower end comprising a cavity configured to receive a portion of a screw; and
a screw, the screw having a shaft and a head, wherein the head of the screw is positioned between the saddle and the second opening,
wherein the first portion of the tulip further comprises a first slot for receiving a tool, the first slot extending from an outer surface of the first portion to an inner surface of the first portion,
wherein the saddle includes an indentation on an outer surface of the saddle configured to receive the tool after the tool passes through the outer surface and the inner surface of the first slot.