serialograph

noun
se·​ri·​al·​o·​graph | \ ˌsir-ē-ˈal-ə-ˌgraf How to pronounce serialograph (audio) \
variants: or seriograph \ ˈsir-​ē-​ə-​ˌ How to pronounce seriograph (audio) \

Medical Definition of serialograph

: a device for making a number of radiographs in rapid sequence