US 12,262,927 B2
Screw insertion instrument and methods of use
Daniel Genovese, Great Falls, VA (US); Erica Lynn Marron, Leesburg, VA (US); Joshua David Rubin, Reston, VA (US); and Andrew Kam, Westmead (AU)
Assigned to K2M, Inc., Leesburg, VA (US)
Filed by K2M, Inc., Leesburg, VA (US)
Filed on Dec. 7, 2021, as Appl. No. 17/544,363.
Claims priority of provisional application 63/123,772, filed on Dec. 10, 2020.
Prior Publication US 2022/0183726 A1, Jun. 16, 2022
Int. Cl. A61B 17/70 (2006.01); A61B 17/86 (2006.01)
CPC A61B 17/7082 (2013.01) [A61B 17/7091 (2013.01); A61B 17/86 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A screw driving instrument, comprising:
a handle;
a passage extending through the handle and along a central axis of the instrument; and
an insert receivable in a portion of the passage extending through the handle, the insert including:
a clip engageable to the handle;
a stylet including a stylet head; and
a pillar including a channel defining an elongate slot, a plurality of recesses, and a plurality of apertures axially aligned with the plurality of recesses, wherein the recesses define a plurality of discrete positions wherein the stylet head may be received in the channel,
wherein the recesses are defined by a column of convex ribs radially extending along each opposed side of the channel, and
wherein the plurality of apertures are defined on two opposed sides of the pillar, each aperture of the plurality of apertures being open on one side of the pillar and closed on an opposite side of the pillar.