US 12,402,894 B2
Universal keyless guided surgery system
Todd Marshall, Jackson, MI (US)
Assigned to Versah, LLC, Jackson, MI (US)
Appl. No. 17/634,201
Filed by VERSAH, LLC, Jackson, MI (US)
PCT Filed Aug. 10, 2020, PCT No. PCT/US2020/045708
§ 371(c)(1), (2) Date Feb. 9, 2022,
PCT Pub. No. WO2021/030317, PCT Pub. Date Feb. 18, 2021.
Claims priority of provisional application 62/886,427, filed on Aug. 14, 2019.
Prior Publication US 2022/0313278 A1, Oct. 6, 2022
Int. Cl. A61B 17/16 (2006.01); A61B 17/17 (2006.01); A61B 90/00 (2016.01); A61C 1/08 (2006.01); A61C 3/02 (2006.01); A61C 5/44 (2017.01)
CPC A61B 17/1615 (2013.01) [A61C 1/084 (2013.01); A61C 3/02 (2013.01); A61C 5/44 (2017.02); A61B 17/17 (2013.01); A61B 2090/034 (2016.02)] 24 Claims
OG exemplary drawing
 
1. A depth stop for use with a drilling tool for forming a hole of predetermined depth and orientation in a host material, said depth stop comprising:
an interface connectable to the shank of a surgical drilling tool, said interface having a partially tubular shape defining an interior region, said interface extending axially between top and bottom ends thereof, said interface including a cap flange adjacent said top end, a tapered skirt extending axially from said cap flange toward said bottom end, wherein said interface includes a lateral pocket extending continuously therethrough from said top end to said bottom end and intersecting said interior region to enable connection of said interface to the shank with a lateral coupling motion,
a tubular key having an inner diameter and an outer diameter, said key extending between an upper end and a lower end, a stop ring formed at said lower end, and
said inner diameter of said key being sized for interference fit surrounding said skirt, and said upper end of said key configured to seat against said cap flange.