US 12,150,637 B2
Surgical access instrument
Kaitlin Elizabeth Anne McClymont, Reston, VA (US); Erica Lynn Marron, Leesburg, VA (US); Kern Singh, Chicago, IL (US); Sheeraz Qureshi, New York, NY (US); Mark Kurd, Wayne, PA (US); and Callie Frances Turlington, Falls Church, VA (US)
Assigned to K2M, Inc., Leesburg, VA (US)
Filed by K2M, Inc., Leesburg, VA (US)
Filed on Nov. 22, 2022, as Appl. No. 17/992,281.
Application 17/992,281 is a continuation of application No. 17/017,950, filed on Sep. 11, 2020, granted, now 11,529,133.
Claims priority of provisional application 62/898,804, filed on Sep. 11, 2019.
Prior Publication US 2023/0083363 A1, Mar. 16, 2023
Int. Cl. A61B 17/02 (2006.01)
CPC A61B 17/0218 (2013.01) [A61B 17/0293 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A system for illuminating a surgical working portal, comprising:
an access instrument including:
a tubular body having a first end, a tubular body length, a lower monolithic portion, an extension extending from a transition portion of an upper portion of the tubular body, a first slot defined by a rim and having a first slot length running along the length of the tubular body from the first end, and a second slot defined by the transition portion and having a second slot length running along the length of the tubular body, the first slot and the second slot extending entirely through the tubular body and the first slot length and the second slot length being less than the tubular body length; and
a lighting device including an elongated arm, a head including a light source, and a leg connecting the elongated arm with the head.