I, Robot
True or False: VRAS has a backup battery that will allow for 15 additional operating minutes if mistakenly unplugged
False
What is the small bone located anterior to the knee joint
Patella
What is the first landmark captured in our workflow
Hip Center
Femur
Varus in tibia
Our robot should always be positioned on what side
Operative
Approximately how many total knee replacements are in the US annually
What is 750,000
The femur mechanical axis is defined by hip center and which landmark
Femur knee center
How many bones make up the knee joint
4
In what plane should tibia rotational adjustment be done in
Coronal
How many arrays does VRAS use
4
Which deformity do most knees needing replacement have
What is a varus deformity
Which 2 landmarks determine flexion/extension
Tibia knee center, femur knee center
One characteristic of a varus knee
tibia osteophytes, MCL contraction, joint space narrowing medially, schlerotic bone
If both flexion are extension are both loose when trialing what is the easiest fix
Go up in poly
What range of flexion should cuts be made on the VRAS
100-110
In a ____ knee, the legs appear to be bowlegged
Varus
How many landmarks do we capture intra operatively
12
What are the two attachment spots of the MCL
Medial epicondyle of femur, medial epicondyle of tibia (surface)
More distal femur
What is the length of the TKA sawblade
19mm
What is the functional importance of the anterior cruciate ligament
What is it prevents the tibia from sliding anteriorly on the femur
The posterior condylar painting is used to define what
Posterior Condylar Axis (PCA)
Going from full extension through flexion, the tibia rotates ______
Internally
What is your biggest risk of using posterior referencing when balancing a knee
Notching