US 9,808,356 B2
Knee balancing devices, systems and methods
Michael Haight, Sacramento, CA (US); and Kenneth D Johannaber, Rancho Murieta, CA (US)
Assigned to Synvasive Technology, Inc., El Dorado Hills, CA (US)
Filed by Synvasive Technology, Inc., El Dorado Hills, CA (US)
Filed on Oct. 24, 2012, as Appl. No. 13/659,280.
Claims priority of provisional application 61/550,766, filed on Oct. 24, 2011.
Prior Publication US 2013/0102929 A1, Apr. 25, 2013
Int. Cl. A61F 2/46 (2006.01); A61B 17/02 (2006.01)
CPC A61F 2/4657 (2013.01) [A61B 17/025 (2013.01); A61B 2017/0268 (2013.01); A61F 2002/4658 (2013.01); A61F 2002/4661 (2013.01); A61F 2002/4666 (2013.01)] 24 Claims
OG exemplary drawing
 
1. A knee balancing system for facilitating a knee arthroplasty procedure, the system comprising:
a force sensor configured to sense one or more forces applied within a knee joint, including a force applied on a medial side of the knee joint and a force applied on a lateral side of the knee joint;
a main body;
a moveable sensor platform positioned between the force sensor and the main body; and
an adjustment mechanism configured to adjust the moveable sensor platform relative to the main body, the adjustment mechanism positioned within the main body and including a linear medial track and a linear lateral track each of the linear medial track and the linear lateral track recessed within a base member portion of the adjustment mechanism and including one or more actuating ramped surfaces in fixed locations along each respective track.