US 12,137,921 B2
Surgical bone preparation instrument and assembly comprising such an instrument
Jean-Emmanuel Cardon, Domene (FR); and Christophe Magnac, Revel (FR)
Assigned to TORNIER, Montbonnot-Saint Martin (FR)
Filed by Tornier, Montbonnot-Saint-Martin (FR)
Filed on Dec. 31, 2021, as Appl. No. 17/566,929.
Application 17/566,929 is a continuation of application No. 16/259,528, filed on Jan. 28, 2019, granted, now 11,234,717.
Claims priority of application No. 18305086 (EP), filed on Jan. 30, 2018.
Prior Publication US 2022/0125446 A1, Apr. 28, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. A61B 17/16 (2006.01); A61B 17/17 (2006.01); A61B 17/56 (2006.01); A61B 90/00 (2016.01)
CPC A61B 17/1684 (2013.01) [A61B 17/1635 (2013.01); A61B 17/1659 (2013.01); A61B 90/03 (2016.02); A61B 90/06 (2016.02); A61B 17/162 (2013.01); A61B 17/17 (2013.01); A61B 2017/568 (2013.01); A61B 2090/034 (2016.02); A61B 2090/036 (2016.02); A61B 2090/062 (2016.02)] 15 Claims
OG exemplary drawing
 
1. Surgical bone preparation instrument comprising a main body terminated by a contacting surface adapted to abut on a bone and to remain stationary thereon, and a sliding body equipped with a cutting element, wherein the cutting element and sliding body are movable in translation, axially along a central axis of the bone preparation instrument, with respect to the main body and the contacting surface when the main body stationarily abuts the bone through the contacting surface,
wherein the bone preparation instrument includes a cutting depth control ring that is separate from the main body and the sliding body, wherein the cutting depth control ring forms an abutment surface against the movement of one of the main body and the sliding body when the sliding body reaches an adjusted cutting depth corresponding to an adjustment position of the control ring,
wherein the abutment surface has a substantially helical profile defining increasing cutting depths.