US 11,925,393 B2
Pedicle screw rasp system and adjuster
Geni Giannotti, Ridgewood, NJ (US); David Nuckley, Glen Rock, NJ (US); and Carlos Sanchez, Butler, NJ (US)
Assigned to K2M, Inc., Leesburg, VA (US)
Filed by K2M, Inc., Leesburg, VA (US)
Filed on Jun. 26, 2020, as Appl. No. 16/912,933.
Claims priority of provisional application 62/868,122, filed on Jun. 28, 2019.
Prior Publication US 2020/0405360 A1, Dec. 31, 2020
Int. Cl. A61B 17/70 (2006.01); A61B 17/16 (2006.01); A61B 17/17 (2006.01)
CPC A61B 17/7082 (2013.01) [A61B 17/1633 (2013.01); A61B 17/1735 (2013.01)] 22 Claims
OG exemplary drawing
 
1. A tulip rasp system comprising:
a tulip head;
a tulip rasp: comprising:
a body;
a handle adjacent a proximal end of the body;
a head adjacent a distal end of the body, the head having at least one substantially rectangular extension that tapers down to a substantially linear cutting edge; and
a receiving space defined by the at least one extension for receiving at least a portion of the tulip head; and
an adjuster for shifting an angle of orientation of the tulip head, the adjuster having an adjuster shaft defining a longitudinal axis, a first extension extending from a distal end of the adjuster shaft at a first angle transverse to the longitudinal axis, and a second extension extending from the first extension at a second angle transverse to the first extension, at least one of the first and second extensions at least partially insertable laterally through the tulip rasp and a sidewall of the tulip head while the tulip head is received within the receiving space of the tulip rasp.