Meniscal root avulsions are a challenging injury causing meniscal extrusion and loss of hoop stress distribution, which can lead to the development of knee arthritis.1 Securing the meniscus in a small bone socket has proven to be an effective means to restore hoop stresses and improve outcomes.2 The FlipCutter® II reamer and meniscal root marking hook allow for a minimally invasive RetroConstruction repair technique that helps preserve bone while securely fixing meniscal tissue.

A complete system for meniscal root repair includes the meniscal root marking hooks, the Knee Scorpion™ suture passer, and meniscal root repair kit with PEEK SwiveLock anchor. Arthrex offers two meniscus root marking hooks based on surgeon preference. The over-the-back marking hook sits securely over the back of the tibia to allow stable drilling using a 6 mm FlipCutter® II reamer for socket preparation. The point-to-point guide allows surgeons to directly target their drill location at the meniscal root footprint. The low-profile Knee Scorpion instrument simplifies suture passing in tight recesses of the knee. Complete knotless fixation of the sutures with the 4.75 mm PEEK SwiveLock anchor.


1. Pagnani MJ, Cooper DE, Warren RF. Extrusion of the medial meniscus. Arthroscopy. 1991;7(3):297-300. doi:10.1016/0749-8063(91)90131-g

2. Lee JH, Lim YJ, Kim KB, Kim KH, Song JH. Arthroscopic pull-out suture repair of posterior root tear of the medial meniscus: radiographic and clinical results with a 2-year follow-up. Arthroscopy. 2009;25(9):951-958. doi:10.1016/j.arthro.2009.03.018

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