Figure 6-50-54 Mistake-Proofing the Design of Health Care Processes - Figure 6.50. A pen, a microchip, and a wristband minimize the chances of wrong-site surgery. Source: Copyright © CheckSite Medical, Inc. Used by permission.Return to DocumentFigure 6.51. A narrow strip of magnetic material, accompanied by exit door sensors, helps deter library thefts Return to DocumentFigure 6.52. Exit door sensors in a library Return to DocumentFigure 6.53. The metallic layer desensitizes books so they can be removed from the library without setting off an alarm Return to DocumentFigure 6.54. The sensor strip can stop a shoplifter Return to Document Current as of May 2007 Internet Citation: Figure 6-50-54: 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/mistakefig6-50-54.html