US 11,771,568 B2
Intra-articular joint replacement and method
Michel Hassler, Saint Ismier (FR); Gilles Walch, Lyons (FR); Pierric Deransart, Saint Martin d'uriage (FR); Lucile Ferrand, Montbonnot (FR); and Pascal Boileau, Nice (FR)
Assigned to TORNIER SAS, Montbonnet-Saint Martin (FR)
Filed by Tornier SAS, Saint Ismier (FR)
Filed on May 15, 2020, as Appl. No. 16/875,729.
Application 15/224,188 is a division of application No. 12/768,154, filed on Apr. 27, 2010, granted, now 9,408,652, issued on Aug. 9, 2016.
Application 16/875,729 is a continuation of application No. 15/224,188, filed on Jul. 29, 2016, granted, now 10,695,195.
Prior Publication US 2020/0345518 A1, Nov. 5, 2020
Int. Cl. A61B 17/16 (2006.01); A61F 2/46 (2006.01); A61B 90/92 (2016.01); A61B 17/88 (2006.01); A61F 2/40 (2006.01); A61B 90/00 (2016.01); A61F 2/30 (2006.01)
CPC A61F 2/4684 (2013.01) [A61B 17/1615 (2013.01); A61B 17/1684 (2013.01); A61B 17/885 (2013.01); A61B 90/92 (2016.02); A61F 2/4014 (2013.01); A61B 2090/062 (2016.02); A61F 2002/30616 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A bone recess forming tool comprising:
a forming head comprising a leading tip and a plurality of arcuate blades having profiles that define a cutting or forming surface;
the forming surface having a convex outer profile such that the forming surface is adapted to form a recess into a bone, wherein the forming surface extends through at least a full hemispherical dome and includes an extended cutting portion sweeping upward beyond the full hemispherical dome; and
a demarcation line provided in the extended cutting portion, wherein the demarcation line is visibly distinct from adjacent portions of the forming surface, wherein the demarcation line is positioned at or above a transition between the full hemispherical dome and the extended cutting portion, wherein each of the plurality of arcuate blades substantially extend from the leading tip of the forming head to the demarcation line.