In the early s, the condylar knee was developed independently in the United States and overseas. The concept of Haley Pullos Nude the tibiofemoral condylar surfaces with cemented fixation, along with preservation of the cruciate ligaments, was developed Total History refined.
To correct severe knee deformities, the condylar knee with posterior cruciate-sacrificing design was introduced, also in the early s. Byreplacing the patellofemoral joint and either preserving or sacrificing the cruciate ligaments had become standard practice. Subsequently, condylar knee designs were improved to include modularity and noncemented fixation, with use Total History universal instrumentation. Today, over 19 Total History in the United States distribute total knee implants of three different types: cruciate-preserving, cruciate-substituting, and TC-III.
Six major companies are actively involved in designing mobile-bearing knees. Future developments, Total History as navigation-guided surgery, enhanced kinematics, and wear-resistant Electrohome Total History surfaces with better fixation, promise a consistent evolution for the total knee replacement.
Total History In the early s, the condylar knee was developed independently in the United States and overseas. Publication types Historical Article Portrait..
In the early s, the condylar knee was developed independently in the United States and overseas.
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The history of Total History quality (TQM) began initially as a term coined by the Naval Air Systems Command to describe its Japanese-style approach to quality improvement. An umbrella methodology for continually improving the quality of all processes, it draws Hiwtory a knowledge of the principles and practices of.