US 12,245,779 B2
Patient-specific instrumentation and methods for ankle arthroplasty
Bahareh Khatibi, Montreal (CA); Jeremie Menard, Montreal (CA); Trong-Tin Nguyen, Laval (CA); Jean-Francois Girouard, Terrasse-Vaudreuil (CA); Antony Bou-Francis, Verdun (CA); Quentin Derouault, Montreal (CA); Nicholas Boudreau, Repentigny (CA); and Sandra Snyder, Plymouth, IN (US)
Assigned to Orthosoft ULC
Filed by Orthosoft ULC, Montreal (CA)
Filed on Nov. 2, 2023, as Appl. No. 18/500,633.
Application 18/500,633 is a continuation of application No. 17/072,645, filed on Oct. 16, 2020, granted, now 11,849,961.
Claims priority of provisional application 62/923,301, filed on Oct. 18, 2019.
Prior Publication US 2024/0058021 A1, Feb. 22, 2024
Int. Cl. A61B 17/17 (2006.01); A61B 17/15 (2006.01); A61F 2/46 (2006.01); A61B 34/10 (2016.01); A61F 2/42 (2006.01)
CPC A61B 17/1775 (2016.11) [A61B 17/15 (2013.01); A61F 2/4606 (2013.01); A61B 2034/108 (2016.02); A61F 2002/4207 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A patient-specific guide system for performing a talus resection for a total ankle arthroplasty, the patient-specific guide system comprising:
a talus guide body comprising:
a first patient-specific surface for engaging at least a portion of an anterior surface of a talus; and
a first pin hole extending through the talus guide body;
a talus resection block comprising:
a coupling block;
a second pin hole configured to align with the first pin hole; and
a guide block including a resection guide surface; and
a floating talar trial, the floating talar trial including a bearing surface and being configured to extend co-planar with the resection guide surface.