US 12,390,233 B2
Drill guide
Ryan Reece, San Diego, CA (US)
Assigned to NuVasive, Inc., San Diego, CA (US)
Filed by NuVasive, Inc., San Diego, CA (US)
Filed on Oct. 6, 2023, as Appl. No. 18/482,764.
Application 18/482,764 is a continuation of application No. PCT/US2022/023597, filed on Apr. 6, 2022.
Claims priority of provisional application 63/172,444, filed on Apr. 8, 2021.
Prior Publication US 2024/0050109 A1, Feb. 15, 2024
Int. Cl. A61B 17/17 (2006.01); A61B 17/00 (2006.01)
CPC A61B 17/1757 (2013.01) [A61B 2017/00477 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A mechanism on a drill guide for insertion of different drills and error prevention, the mechanism comprising:
an elongate body with a base and an outer sleeve, wherein the outer sleeve is rotatable and translatable with respect to the base to be in a first or second setting;
an inner lumen within the elongate body; and
an inner sleeve rotationally coupleable with the outer sleeve in the first or second setting thereby changing a diameter of the inner lumen,
wherein, in the first setting, the inner lumen comprises a first diameter, and in the second setting, the inner lumen comprises a second diameter;
wherein the outer sleeve comprises a window and the inner sleeve comprises first and second indicia;
wherein the first indicia can be revealed in the window; and
wherein changing the diameter within the inner lumen causes the second indicia to be revealed through the window.