Google, Microsoft, and Nokia all offer free navigation systems on their smartphones.
All surgeries were navigated using a CT-free navigation system (Surgetics; Praxim, La Tronche, France).
A computed tomography (CT -free navigation system (CT -freegationavigationDePuy I-OrthopaedicsystemiCi™ Germanavigationed.
The surgery was performed using a CT-free navigation system (Surgetics; Praxim, La Tronche, France).
The flexion gap height, anterior tibial translation, and femoral rotation were measured intraoperatively using a CT-free navigation system.
Version 2.0 of the Stryker image-free navigation system was first implemented in our institute in January 2007.
The CN-TKA was implanted with the use of a computed tomography (CT -free navigation system (BrainLAB, MuniCT -freeanavigation
We therefore investigated the difference in patellar kinematics between the arthritic knee and the knee after ligament-balanced TKA, using an image-free navigation system.
Thirty-three knees were replaced using the Stryker 3.1 image-free navigation system and 49 knees were replaced using the Stryker 4.0 system.
Sixty-three consecutive knees in 60 patients were replaced using the updated Stryker 4.0 image-free navigation system between January 2008 and March 2009.
At our institute, 30 implantations using the image-free navigation system (Stryker 2.0 and 3.1) had been performed by the end of November 2007.
