A modular neck stem is a hip replacement system that consists of two piece. A modular neck stem has a stem and neck. The stem is connected to the femur while the neck is then tapped into the the stem creating a mechanical joint. These pieces may fail and when they do they can create serious complications. If you or a loved one was injured as a result of Profemur Modular Neck Stem or other hip replacement system, please call us at: 720-606-6887 for a free consultation.