Keio University School of Medicine 2 articles published in JoVE Medicine A Murine Model of Ischemic Retinal Injury Induced by Transient Bilateral Common Carotid Artery Occlusion Deokho Lee*1,2, Yukihiro Miwa*1,2,3, Heonuk Jeong1,2, Shin-ichi Ikeda1,2, Yusaku Katada1,2, Kazuo Tsubota1,2,4, Toshihide Kurihara1,2 1Laboratory of Photobiology, Keio University School of Medicine, 2Department of Ophthalmology, Keio University School of Medicine, 3Animal eye care, Tokyo Animal Eye Clinic, 4Tsubota Laboratory, Inc. Here, we describe a mouse model of retinal ischemia by transient bilateral common carotid artery occlusion using simple sutures and a clamp. This model can be useful for understanding the pathological mechanisms of retinal ischemia caused by cardiovascular abnormalities. Bioengineering Four-Dimensional CT Analysis Using Sequential 3D-3D Registration Satoshi Oki1,2, Kazuya Kaneda1, Yoshitake Yamada3, Minoru Yamada3, Yutaro Morishige1, Kengo Harato1, Noboru Matsumura1, Takeo Nagura1, Masahiro Jinzaki3 1Department of Orthopedic Surgery, Keio University School of Medicine, 2Department of Orthopedic Surgery, Saiseikai Utsunomiya Hospital, 3Department of Radiology, Keio University School of Medicine We analyzed joint kinematics from four-dimensional computed tomography data. The sequential 3D-3D registration method semiautomatically provides the kinematics of the moving bone with respect to the subject bone from four-dimensional computed tomography data.