MAKO PKA questions with accurate answers
"Max tip distance" Ans✓✓✓ Anterior tip of the implant to the articular
surface of the bone below=> hit the "femur verify 1" button
"Recenter crosshair" Ans✓✓✓ Automatically populates the crosshair at
the FFC
Black line in implant balancing page Ans✓✓✓ Ideal tracking line or
both femur and tibia
Blumenstaat line Ans✓✓✓ confirm the implant is anterior to
blumenstaat line so there is. no impingement on. the cruciate ligaments
Extension Ans✓✓✓ -anchor on FFC and adjust flexion
-translate femoral implant superior or inferior
-anchor posterior and change flexion
femoral preoperative IR/ER Ans✓✓✓ 5 internal- 5 external
femoral varus/valgus Ans✓✓✓ 3 varus- 3 valgus
Flexion poses options to balance Ans✓✓✓ 1. Anchor at FFC and adjust
femur anterior (loosen) or posterior (tighten) in the sagittal window
2. Anchor at anterior portion of femur in sagittal view and flex/extend
, How is adjusting implant proudness? Ans✓✓✓ Moves the implant
perpendicular to the posterior slope
how many mm of bone must be left on the patella? Ans✓✓✓ 12 mm
how many mm should the femoral component and PF component be
positioned apart? Ans✓✓✓ 3 mm
how many points should be mapped for a femoral component?
Ans✓✓✓ 3
how many points should be mapped for a PF component? Ans✓✓✓ 14
How should initial posterior slope be positioned? Ans✓✓✓ set
crosshair in sagital view to mid-point of the tibia and drop the crosshair
slope 1-2 degrees below the native anatomic slope
How to determine correct tibia size? Ans✓✓✓ No overhang A/P or
M/L and does not intrube the tibial intercondylar eminence (location of
the ACL insertion)
How to size tibial implant? Ans✓✓✓ Go to transverse view and move
tibia implant to correct location and toggle different sizes to determine
best fit
"Max tip distance" Ans✓✓✓ Anterior tip of the implant to the articular
surface of the bone below=> hit the "femur verify 1" button
"Recenter crosshair" Ans✓✓✓ Automatically populates the crosshair at
the FFC
Black line in implant balancing page Ans✓✓✓ Ideal tracking line or
both femur and tibia
Blumenstaat line Ans✓✓✓ confirm the implant is anterior to
blumenstaat line so there is. no impingement on. the cruciate ligaments
Extension Ans✓✓✓ -anchor on FFC and adjust flexion
-translate femoral implant superior or inferior
-anchor posterior and change flexion
femoral preoperative IR/ER Ans✓✓✓ 5 internal- 5 external
femoral varus/valgus Ans✓✓✓ 3 varus- 3 valgus
Flexion poses options to balance Ans✓✓✓ 1. Anchor at FFC and adjust
femur anterior (loosen) or posterior (tighten) in the sagittal window
2. Anchor at anterior portion of femur in sagittal view and flex/extend
, How is adjusting implant proudness? Ans✓✓✓ Moves the implant
perpendicular to the posterior slope
how many mm of bone must be left on the patella? Ans✓✓✓ 12 mm
how many mm should the femoral component and PF component be
positioned apart? Ans✓✓✓ 3 mm
how many points should be mapped for a femoral component?
Ans✓✓✓ 3
how many points should be mapped for a PF component? Ans✓✓✓ 14
How should initial posterior slope be positioned? Ans✓✓✓ set
crosshair in sagital view to mid-point of the tibia and drop the crosshair
slope 1-2 degrees below the native anatomic slope
How to determine correct tibia size? Ans✓✓✓ No overhang A/P or
M/L and does not intrube the tibial intercondylar eminence (location of
the ACL insertion)
How to size tibial implant? Ans✓✓✓ Go to transverse view and move
tibia implant to correct location and toggle different sizes to determine
best fit
