John N. Insall was a pioneer in the field of knee surgery. He was a rare individual who accom-plished unparalleled levels of success as a sur-geon, designer, and teacher. During the past 4 decades, he …

Feb 27, 2025 · Functional alignment (FA) is a potential alternative, integrating kinematic alignment (KA) principles with preresection bone balancing within defined boundaries. The use of FA aims to …

BY JOHN N. INSALL, M.D.t, FRANCESCA M. THOMPSON, M.D.t, AND BARRY D. BRAUSE, M.D.t, NEW YORK, N.Y.

Patellar crepitus (PC) is reported in up to 14% of subjects implanted with cruciate-substituting total knee arthroplasty (TKA). Numerous etiologies of PC have been proposed.

United States Patent (19) Insall et al. 54 KNEE JOINT PROSTHESIS 75 Inventors: John N. Insall, New York, N.Y.; Peter S. Walker, Ridgewood, N.J. New York Society for the Relief of the Ruptured and …

This Insall-Burstein II modified version is known as the “2 design, and it remains as the present posterior-stabilized condylar knee tibial insert. With this design, the cruciate-substituting mechanism …

Purpose: The purpose of this study was to compare clinical outcomes of patients based on the immediate Insall- Salvati ratio (ISR) obtained following open reduction and internal fixation (ORIF).