Stanley Asnis, MD invented the cannulated screw in the 1980’s, which became a major facilitator for advancing minimally invasive surgery in orthopaedics.1, 2 The Asnis cannulated screw system continues to offer foot and ankle surgeons an extensive range of lengths and diameters for a multitude of procedural purposes.
Lapidus procedure for hallux valgus correction
This video depicts a correction of a hallux valgus deformity using a lapidus procedure, a fusion of the first metatarsal with the medial cuneiform. The demonstration is performed by Dr. Kai Olms. The procedure uses a Stryker Asnis III 4.0mm cannulated screw and a VariAx Foot oblique t-plate.
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