Date of download: 12/18/2017 Copyright © ASME. All rights reserved. From: Design Improvements and In Vitro Testing of an Implantable Muscle Energy Converter for Powering Pulsatile Cardiac Assist Devices J. Med. Devices. 2010;4(3):035002-035002-4. doi:10.1115/1.4002235 Figure Legend: Cutaway view of the MEC8 shown with actuator arm on top and bellows pumping chamber on the bottom: both gray. Cam and cam follower: yellow. Camshaft: red. Lip seal: green. Upper housing: orange. Lower housing: magenta. Mounting ring: blue.