MAUDE Adverse Event Report: PHYSIO-CONTROL, INC. - 3015876 LIFEPAK® 15 DEFIBRILLATOR/MONITOR; AUTOMATED EXTERNAL DEFIBRILLATORS (NON-WEARABLE)

Model Number	15
Medical Device Problem Code	Inappropriate/Inadequate Shock/Stimulation (1574)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	04/20/2023
Type of Reportable Event	Malfunction
Event or Problem Description
The customer contacted stryker to report that the service indicator is present and an event code is logged in the memory of their device.The event code logged in its memory indicates a device failure that could result in a partial loss of defibrillator output energy due to a loss of the negative portion of the biphasic output waveform, resulting in a monophasic shock.There was no patient involvement reported during the event.
Additional Manufacturer Narrative
Stryker evaluated the customers device and was able to verify the reported issue.Stryker determined the therapy pcba was the cause and replaced it to resolve the issue.After completing other unrelated repairs, proper device operation was observed through functional and performance testing and the device returned to the customer for use.
Additional Manufacturer Narrative
Stryker further evaluated the removed therapy pcb assembly.It was determined that the transistor designated, q7 was shorted and caused the reported issue.
Event or Problem Description
The customer contacted stryker to report that the service indicator is present and an event code is logged in the memory of their device.The event code logged in its memory indicates a device failure that could result in a partial loss of defibrillator output energy due to a loss of the negative portion of the biphasic output waveform, resulting in a monophasic shock.There was no patient involvement reported during the event.

• Brand Name: LIFEPAK® 15 DEFIBRILLATOR/MONITOR
• Common Device Name: AUTOMATED EXTERNAL DEFIBRILLATORS (NON-WEARABLE)
• Manufacturer (Section D): PHYSIO-CONTROL, INC. - 3015876; 11811 willows road ne; redmond WA 98052
• Manufacturer (Section G): PHYSIO-CONTROL, INC. - 3015876; 11811 willows road ne; redmond WA 98052
• Manufacturer Contact: todd bandy ; 11811 willows road ne; redmond, WA 98052 ; 4258674000
• MDR Report Key: 16899600
• Report Number: 0003015876-2023-00833
• Device Sequence Number: 5359749
• Product Code: MKJ
• UDI-Device Identifier: 00883873871829
• UDI-Public: 00883873871829
• Combination Product (Y/N): N
• Initial Reporter State: NC
• Initial Reporter Country: US
• PMA/510(K) Number: K142430
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Reporter Type: Manufacturer
• Report Source: User Facility
• Initial Reporter Occupation: Non-Healthcare Professional
• Type of Report: Initial,Followup
• Report Date (Section B): 05/22/2023

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: No
• Is this a Product Problem Report?: Yes
• Operator of Device: Health Professional
• Device Model Number: 15
• Device Catalogue Number: 99577-001944
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 04/25/2023
• Type of Report(Section G): Follow-Up
• Initial Date Received by Manufacturer: 04/20/2023
• Supplement Date Received by Manufacturer: 05/19/2023
• Initial Report FDA Received Date: 05/09/2023
• Supplement Report FDA Received Date: 05/22/2023
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 06/23/2015
• Is the Device Labeled for Single Use? (Y/N): No
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Reuse
• Patient Sequence Number: 1
• Patient Sex: Unknown