US 12,402,873 B2
Radiolucent surgical retractor
Nick Sandham, London (GB); Eddie Hamilton, London (GB); Jonathan Lloyd Arcos, St. Albans (GB); Christopher Reah, Somerset (GB); John Sutcliffe, Essex (GB); Patrick Joseph McKenna, Berkshire (GB); and Obi Agu, London (GB)
Assigned to Axis Spine Technologies Ltd., St. Albans (GB)
Filed by Axis Spine Technologies Ltd., St. Albans (GB)
Filed on Dec. 19, 2023, as Appl. No. 18/545,128.
Application 18/545,128 is a continuation of application No. 17/024,820, filed on Sep. 18, 2020, granted, now 11,844,504, issued on Dec. 19, 2023.
Claims priority of provisional application 62/903,255, filed on Sep. 20, 2019.
Prior Publication US 2024/0164763 A1, May 23, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. A61B 17/02 (2006.01); A61B 17/00 (2006.01)
CPC A61B 17/0206 (2013.01) [A61B 17/025 (2013.01); A61B 17/0293 (2013.01); A61B 2017/0092 (2013.01); A61B 2017/0256 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A surgical retractor for retracting soft tissue and anatomy at a spinal surgical site, comprising:
a tubular base defining an upper rim and a lower rim and a working channel between the upper and lower rims, the base and lower rim sized and configured to be seated on adjacent vertebral bodies spanning an intervertebral space, wherein said tubular base includes;
an upper portion defining said upper rim; and
a lower portion defining said lower rim and connected to said upper portion,
wherein said lower portion is relatively more flexible than said upper portion; and
at least two elongated legs, each projecting from said upper rim and each including a fixation feature at a free end thereof, each of said at least two legs having a length sufficient for the fixation feature to be outside the body of a patient when the lower rim is seated on adjacent vertebral bodies of the patient,
wherein said base and said at least two legs are formed of a radio-transparent or radio-lucent material.