<ul><li>in Flexion to </li></ul><ul><li>be stable: </li></ul><ul><li>(flexion gap) </li></ul><ul><li>resect more medial co...
<ul><li>So, when you transform  </li></ul><ul><li>an  anatomical  (extraarticular) Femur Valgum (oblique joint line) </li>...
DEFORMED KNEES in Current Practice
Genu Varum <ul><li>mostly a  Tibial  deformity </li></ul><ul><li>to be simple: </li></ul><ul><li>Normo Femur </li></ul><ul...
<ul><li>tibial deformity: </li></ul><ul><li>change the tibial joint line  </li></ul><ul><li>from oblique to perpendicular ...
<ul><li>in flexion: </li></ul><ul><li>with a strong released, elongated MCL </li></ul><ul><li>no change in femoral implant...
Genu Valgum <ul><li>Femur  Valgum </li></ul><ul><li>Normo Tibia </li></ul>
<ul><li>Femur valgum EA deformity </li></ul><ul><li>Prosthetic normo femur </li></ul><ul><li>- reorientate the joint from ...
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Briard Jl. How To Correct Extra Articular Deformity. Slide 7 14

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Briard Jl. How To Correct Extra Articular Deformity. Slide 7 14

  1. 1. <ul><li>in Flexion to </li></ul><ul><li>be stable: </li></ul><ul><li>(flexion gap) </li></ul><ul><li>resect more medial condyle </li></ul><ul><li>femoral component in ER </li></ul><ul><li>Gait with the leg & foot in ER </li></ul>
  2. 2. <ul><li>So, when you transform </li></ul><ul><li>an anatomical (extraarticular) Femur Valgum (oblique joint line) </li></ul><ul><li>into a prosthetic Normo Femur </li></ul><ul><li>in order to be stable </li></ul><ul><li>induce rotation of the femoral implant in the horizontal plane </li></ul>FIRST MESSAGE
  3. 3. DEFORMED KNEES in Current Practice
  4. 4. Genu Varum <ul><li>mostly a Tibial deformity </li></ul><ul><li>to be simple: </li></ul><ul><li>Normo Femur </li></ul><ul><li>Tibia Varum </li></ul>
  5. 5. <ul><li>tibial deformity: </li></ul><ul><li>change the tibial joint line </li></ul><ul><li>from oblique to perpendicular </li></ul><ul><li>medial release (sleeve) </li></ul><ul><li>(NB: in some severe tibia varum, you may have to consider an osteotomy) </li></ul>
  6. 6. <ul><li>in flexion: </li></ul><ul><li>with a strong released, elongated MCL </li></ul><ul><li>no change in femoral implant rotation </li></ul><ul><li>no problem for the patella </li></ul>
  7. 7. Genu Valgum <ul><li>Femur Valgum </li></ul><ul><li>Normo Tibia </li></ul>
  8. 8. <ul><li>Femur valgum EA deformity </li></ul><ul><li>Prosthetic normo femur </li></ul><ul><li>- reorientate the joint from oblique ( anatomical ) into horizontal ( prosthetic ) </li></ul><ul><li>- lateral release (difficult) </li></ul><ul><li>- compensate for the lateral condyle bone missing </li></ul>

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