This device is a finger jacket that is attached to the back of the dental X-Ray film, PSP and digitizer. This finger jacket can position, and station the dental X-Ray films, the PSP and the digitizer cartridges for dental radiography. Furthermore, this finger jacket can also isolate and protect the patients finger from patients mouth to prevent cross contamination.本裝置是一種附著於牙科X光片、PSP感光匣及數位擷取裝置匣等等背面(相對於X光照射面)之指套件,可在進行牙科放射線線攝影時、將上述X光片、PSP感光匣及數位擷取裝置匣定位並固位在欲照射的牙齒及牙齦上,方便牙科X光之放射攝影。本裝置除可定位及固位牙科X光片、數位PSP感光匣及數位擷取裝置匣等外,並可隔離病患手指,避免與病患的口腔直接接觸,防止交叉感染的發生。