tailieunhanh - báo cáo hóa học:" Improving accuracy of total knee component cementation: description of a simple technique"

Tuyển tập các báo cáo nghiên cứu về hóa học được đăng trên tạp chí sinh học quốc tế đề tài : Improving accuracy of total knee component cementation: description of a simple technique | Journal of Orthopaedic Surgery and Research BioMed Central Open Access Technical Note Improving accuracy of total knee component cementation description of a simple technique William B Lutes Michael A Flierl Michael R Dayton and Steven J Morgan Address Department of Orthopaedic Surgery Denver Health Medical Center University of Colorado School of Medicine 777 Bannock Street Denver CO 80204 USA Email William B Lutes - williamlutes@ Michael A Flierl - Michael R Dayton - Steven J Morgan - Corresponding author Published 9 October 2009 Received 3 July 2009 Journal of Orthopaedic Surgery and Research 2009 4 38 doi 1749-799X-4-38 Accepted 9 October 2009 This article is available from http content 4 1 38 2009 Lutes et al licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License http licenses by which permits unrestricted use distribution and reproduction in any medium provided the original work is properly cited. Abstract Background Total knee arthroplasty represents a common orthopedic surgical procedure. Achieving proper alignment of its components with the predrilled patellar and tibial peg holes prior to polymerization of the bone cement can be challenging. Technique After establishing the femoral patellar and tibial bone cuts the cancellous bone around the tibial keel as well as the peg holes for the patella and femoral components are marked with methylene blue using a cotton swab stick. If bone cement is then placed onto the cut and marked bone edges the methylene blue leaches through the bone cement and clearly outlines the tibial keel and predrilled femoral and patellar peg holes. This allows excellent visualization of the bone preparations for each component ensuring safe and prompt positioning of TKA components while minimizing intraoperative difficulties .

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