Figure 7-4 Mistake-Proofing the Design of Health Care Processes - Figure 7.4. Mothers will not use this container if the seal is broken Source: Photo courtesy of Toledo Children's Hospital. Used with permission.Return to Document Current as of May 2007 Internet Citation: Figure 7-4: 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/mistakefig7-4.html