1. Arthroscopic Technique for the Treatment of Patellar Chondral Lesions With the Patient in the Supine Position 
Ricardo Cuéllar, M.D., Ph.D., Adrián Cuéllar, M.D., Juan Ponte, M.D., Miguel A. Ruiz-Ibán, M.D., Ph.D. 
Arthroscopy Techniques 
Volume 3, Issue 3, Pages e373-e376 (June 2014)
DOI: /j.eats
Copyright © 2014 Arthroscopy Association of North America Terms and Conditions

2. Fig 1
Perpendicular approach to lateral patellar facet joint using Codivilla forceps (left knee, with arthroscope in anterolateral portal and instrumentation in lateral patellar portal). (A) Stable sustained eversion. (B) The instrumentation can access the lesion perpendicularly. (C) The lesion bed is dried completely. (D) Focal compression is applied with a Foley catheter.
Arthroscopy Techniques 2014 3, e373-e376DOI: ( /j.eats )
Copyright © 2014 Arthroscopy Association of North America Terms and Conditions

3. Fig 2
AMIC surgical technique (left knee). (A) The collagen membrane is placed through the lateral patellar portal. (B) A liquid membrane is gradually applied from the upper pole of the lesion, creating a film that finally covers the complete diameter of the chondral defect.
Arthroscopy Techniques 2014 3, e373-e376DOI: ( /j.eats )
Copyright © 2014 Arthroscopy Association of North America Terms and Conditions