A new guide system for posteromedial portal in arthroscopic knee surgery |
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Authors: | M Ochi N Adachi Y Sumen Y Uchio J Iwasa |
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Institution: | (1) Department of Orthopaedic Surgery, Shimane Medical University, 89-1 Enya-cho, Izumoshi, Shimane-ken 693, Japan Tel.: +81-853-20-2240, Fax: +81-853-20-2236, JP;(2) Department of Orthopaedic Surgery, Hiroshima University School of Medicine, Japan, JP |
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Abstract: | A view through the posteromedial portal is necessary to observe the posterior portion of the knee joint such as the tibial
attachment of the posterior cruciate ligament (PCL) or the posterior horn of the medial meniscus, which is barely, visible
through anterior portals. Especially in arthroscopic PCL reconstruction, the arthroscopic view through the posteromedial portal
is indispensable for boring a tibial bone tunnel that is correctly sited. However, it is difficult to create this portal safely
without cartilaginous or meniscal damage. We have produced new guidelines to facilitate the process of creating the posteromedial
portal even by inexperienced hands. With a cannulated K-wire and a cannulated rod with sharp teeth, the joint capsule of the
posteromedial corner can be penetrated safely with or without viewing the posteromedial corner through the anterolateral portal.
Based on our experience of using this guide system, we believe it will be a great help to many orthopaedic surgeons in performing
various types of arthroscopic surgery, not only for PCL reconstruction but also for arthroscopic synovectomy.
Received: 21 August 1997 |
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