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Table 3 Test data for infusion pumps

From: Adhoc electromagnetic compatibility testing of non-implantable medical devices and radio frequency identification

   Probably not clinically significant Device in operable Probably significant All experiments
Infusion Pump #1 (1995) Occurrences of EMI 0 4 0 4 (20%)
Max Distance of EMI (cm) - 68 - 68
RFID Reader Code causing EMI N/A 8,15,17,18 N/A 8,15,17,18
Infusion Pump #2 (1996) Occurrences of EMI 1 4 0 5 (25%)
Max Distance of EMI (cm) 9 136 - 136
RFID Reader Code causing EMI 5 15-18 N/A 5,15-18
Infusion Pump #3 (2002) Occurrences of EMI 1 0 0 1 (5%)
Max Distance of EMI (cm) 12 - - 12
RFID Reader Code causing EMI 5 N/A N/A 5
  1. The EMI Occurrences row represents the number of times EMI occurred during a test (n = 20). One experiment was defined as all testing performed on one medical device with one RFID system. Therefore the All Experiments column indicates whether any EMI occurred for a particular RFID system and does not indicate whether multiple effects were caused by the same RFID system. Production years for devices tested in parenthesis.