MAUDE Adverse Event Report: MASIMO - 15750 ALTON PKWY RADICAL-7; OXIMETER

Model Number	9500
Medical Device Problem Codes	Device Alarm System (1012); Unexpected Shutdown (4019)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	02/07/2026
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
Other, other text: device evaluation is anticipated.When the device is evaluated or new information is obtained, a follow-up report will be submitted.Health effect impact code: no adverse event, no patient impact e1.Initial reporter zip code exceeded allowable field length, initial reporter zip code is as follows: (b)(6).
Event or Problem Description
The customer reported the radical-7 "battery seems to be faulty" as "the device shut down suddenly with no low-battery alert.There was no patient impact or consequence reported.

• Brand Name: RADICAL-7
• Common Device Name: OXIMETER
• Manufacturer (Section D): MASIMO - 15750 ALTON PKWY; 15750 alton pkwy; irvine CA 92618
• Manufacturer (Section G): MASIMO - MEXICALI; industrial vallera de mexicali calzada del oro, no.2001; mexicali, baja california 21600 ; MX 21600
• Manufacturer Contact: rishi jain ; 15750 alton pkwy; irvine, CA 92618
• MDR Report Key: 24516846
• Report Number: 3019388613-2026-00076
• Device Sequence Number: 8439778
• Product Code: DQA
• UDI-Device Identifier: 00843997008358
• UDI-Public: (01)00843997008358(11)241028
• Combination Product (Y/N): N
• Initial Reporter Country: JA
• PMA/510(K) Number: K212161
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Other,Foreign,User Facility
• Initial Reporter Occupation: Non-Healthcare Professional
• Remedial Action: Other
• Type of Report: Initial,Followup
• Report Date (Section B): 02/08/2026

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: Health Professional
• Device Model Number: 9500
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Was the Report Sent to FDA?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 02/08/2026
• Supplement Date Received by Manufacturer: 04/28/2026
• Initial Report FDA Received Date: 03/05/2026
• Supplement Report FDA Received Date: 05/22/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 10/28/2024
• 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: Unknown
• Patient Sequence Number: 1
• Patient Sex: Unknown