Butala technique: Polyglactin 910 suture repair of comminuted patellar fractures
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The patella is made up of dense spongy bone covered by a thin lamina. It is divided into anterior and posterior surfaces. The anterior surface has upper, middle, and lower parts. The upper part serves as an attachment for the quadriceps tendon, the middle is made up of vascular canaliculi, and the lower serves as an origin for the patellar ligament. The posterior surface of the patella articulates with the femur at its upper part, and it contains vascular canaliculi filled with adipose tissue at its lower part.
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