Figure 5-47 Mistake-Proofing the Design of Health Care Processes - Figure 5.47. The flasher plate ensures that only the patient's name is exposed on film Return to Document Current as of May 2007 Internet Citation: Figure 5-47: Mistake-Proofing the Design of Health Care Processes -. May 2007. Agency for Healthcare Research and Quality, Rockville, MD. http://www.ahrq.gov/professionals/quality-patient-safety/patient-safety-resources/resources/mistakeproof/mistakefig5-47.html