US 12,433,613 B2
Minimally invasive transforaminal lumbar interbody fusion
Jan William Duncan, Los Angeles, CA (US)
Filed by Jan William Duncan, Los Angeles, CA (US)
Filed on Feb. 8, 2024, as Appl. No. 18/436,794.
Application 18/436,794 is a division of application No. 17/393,230, filed on Aug. 3, 2021, granted, now 11,911,049.
Application 17/393,230 is a division of application No. 16/586,256, filed on Sep. 27, 2019, granted, now 11,083,596, issued on Aug. 10, 2021.
Claims priority of provisional application 62/739,205, filed on Sep. 29, 2018.
Prior Publication US 2024/0180566 A1, Jun. 6, 2024
Int. Cl. A61B 17/17 (2006.01); A61B 17/16 (2006.01); A61F 2/46 (2006.01)
CPC A61B 17/1757 (2013.01) [A61B 17/1633 (2013.01); A61B 17/1671 (2013.01); A61B 17/1725 (2013.01); A61F 2/46 (2013.01); A61F 2002/4635 (2013.01)] 6 Claims
OG exemplary drawing
 
1. A surgical system comprising:
surgical drill bit comprising
a shaft having a first end and second end,
a drill head at the first end of the shaft,
one or more stabilization collars, wherein the stabilization collars have a diameter greater than the diameter of the shaft and located between the first end and second end of the shaft; and
a surgical guide shaft device comprising a first end, a second end, an at least one wall forming a lumen extending and open from the first end to the second end and having an internal diameter “D” and an external diameter “X”, wherein the second end comprises a traction system having at least two prongs and a plurality of traction feet, wherein the at least two prongs are about 1-3 mm long and extend from the at least one wall and are parallel with the length dimension of the tube;
wherein the one or more stabilization collars having a diameter smaller than the diameter D of the guide shaft such that the collars can be moved along the length of the shaft while maintaining the shaft of the drill substantially centered in the lumen of the guide shaft.