US 12,133,640 B2
Orthopedic retractor
Garrett D. Lauf, Elgin, IL (US); and Daniel P. Predick, West Lafayette, IN (US)
Assigned to Life Spine, Inc., Huntley, IL (US)
Filed by Life Spine, Inc., Huntley, IL (US)
Filed on Oct. 4, 2021, as Appl. No. 17/493,384.
Application 17/493,384 is a continuation of application No. 16/351,298, filed on Mar. 12, 2019, granted, now 11,134,936.
Claims priority of provisional application 62/641,782, filed on Mar. 12, 2018.
Prior Publication US 2022/0022861 A1, Jan. 27, 2022
Int. Cl. A61B 17/02 (2006.01); A61F 2/46 (2006.01)
CPC A61B 17/0206 (2013.01) [A61B 17/025 (2013.01); A61B 17/0218 (2013.01); A61B 2017/0256 (2013.01); A61F 2/4611 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A retractor comprising:
a body;
a first handle having a first handle portion pivotally coupled to the body and a second handle portion detachably coupled to the first handle portion;
a first attachment assembly comprising a first button configured to allow detachment of the second handle portion from the first handle portion in response to depressing the first button;
a first arm assembly attached to the first handle;
a first blade attached to the first arm assembly, wherein the first handle is configured to control distraction of the first blade relative to the body in response to pivotal motion of the first handle;
a first angulation assembly comprising a first ball positioned within a first lateral pocket in the first arm assembly and a first bolt received in a first aperture on the first ball, wherein rotation of the first bolt is configured to adjust an angle of the first blade relative to the body;
a second handle having a third handle portion pivotally coupled to the body and a fourth handle portion detachably coupled to the third handle portion;
a second attachment assembly comprising a second button configured to allow detachment of the fourth handle portion from the third handle portion in response to depressing the second button;
a second arm assembly attached to the second handle;
a second blade attached to the second arm assembly, wherein the second handle is configured to control distraction of the second blade relative to the body in response to pivotal motion of the second handle; and
a second angulation assembly comprising a second ball positioned within a second lateral pocket in the second arm assembly and a second bolt received in a second aperture on the second ball, wherein rotation of the second bolt is configured to adjust an angle of the second blade relative to the body.