MAUDE Adverse Event Report: BIO-DETEK INCORPORATED ONESTEP; ELECTRODE

Model Number	8900-0224-01
Medical Device Problem Code	Electrical Shorting (2926)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
The customer was contacted for return of the suspect product.The customer has responded and indicated the pads will be returned once the replacement pads are received.At this time product return is still pending and the claim will be reopened when the pads are received.
Additional Manufacturer Narrative
Zoll medical corporation has not received the device for evaluation and this complaint is still under investigation.
Event or Problem Description
Complainant alleged that during a routine shift check by a clinician, the associated device displayed a "poor pad contact" message.Complainant indicated that there was no patient involvement in the reported malfunction.

• Brand Name: ONESTEP
• Common Device Name: ELECTRODE
• Manufacturer (Section D): BIO-DETEK INCORPORATED; 525 narragansett park drive; pawtucket RI 02861
• Manufacturer Contact: tina lombari ; 525 narragansett park drive; pawtucket, RI 02861 ; 4017291400
• MDR Report Key: 24498395
• Report Number: 1218058-2026-00021
• Device Sequence Number: 10593506
• Product Code: MKJ
• UDI-Device Identifier: 00847946016272
• UDI-Public: (01)00847946016272(17)270219(10)0825E
• Combination Product (Y/N): N
• Initial Reporter State: KS
• Initial Reporter Country: US
• PMA/510(K) Number: P160022
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Initial Reporter Occupation: Other
• Type of Report: Initial,Followup
• Report Date (Section B): 02/11/2026

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: Other
• Device Model Number: 8900-0224-01
• Device Lot Number: 0825E
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: No
• Was the Report Sent to FDA?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 02/11/2026
• Supplement Date Received by Manufacturer: Not provided
• Initial Report FDA Received Date: 03/03/2026
• Supplement Report FDA Received Date: 03/30/2026
• Was Device Evaluated by Manufacturer? (Y/N): Device Not Returned to Manufacturer
• Date Device Manufactured: 02/19/2025
• Is the Device Labeled for Single Use? (Y/N): Yes
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Initial
• Patient Sequence Number: 1
• Patient Sex: Unknown