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![An image from the "The Variable Angle Hand Locking System Presented by Douglas Campbell, MD" video on the JnJInstitute.com website.](/sites/default/files/styles/online_learning_video_card/public/online-learning/thumbnail/VA-Hand-Locking-System-Campbell.jpg?h=2951b277&itok=6aYeVwQn)
The Variable Angle Hand Locking System Presented by Douglas Campbell, MD