MAUDE Adverse Event Report: NIHON KOHDEN CORPORATION LIFE SCOPE PT; BEDSIDE MONITOR

Model Number	BSM-1773
Medical Device Problem Codes	Electrical /Electronic Property Problem (1198); Battery Problem (2885)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	03/12/2026
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
The customer reported that this bedside monitor (bsm) does not recognize the battery and the unit displays a battery alarm.The customer tried different batteries multiple times; however, the issue remained.It is unknown whether the unit was in patient use at the time.Nihon kohden continues to investigate the reported event.Nihon kohden will submit a supplemental report in accordance with 21 cfr section 803.56 when additional information becomes available.The following field contains no information (ni), as attempts to obtain the information were made, but not provided: d10 attempt # 1: 03/27/2026 emailed the customer via microsoft outlook for the information in the ni list above: no reply was received.Attempt # 2: 03/31/2026 i called roger to ask for model and serial numbers of any devices the reported device was connected or related to.A message was left for roger to call me back with this information.Attempt # 3: 04/06/2026 i called roger to ask for model and serial numbers of any devices the reported device was connected or related to.A message was left for roger to call me back with this information.
Event or Problem Description
The customer reported that this bedside monitor (bsm) does not recognize the battery and the unit displays a battery alarm.It is unknownn whether the unit was in patient use at the time.

• Brand Name: LIFE SCOPE PT
• Common Device Name: BEDSIDE MONITOR
• Manufacturer (Section D): NIHON KOHDEN CORPORATION; attn: shama mooman; 1-31-4 nishiochia; shinjuku-ku, tokyo 161-8 560; JA 161-8560
• Manufacturer (Section G): NIHON KOHDEN TOMIOKA CORPORATION; attn: shama mooman; 1-1 tajino; tomioka city, gunma 370-2 314; JA 370-2314
• Manufacturer Contact: shama mooman ; seibu bldg 2, 4th floor 1-11-2; kusunokidai tokorozawa, saitama 359-8-580 ; JA 359-8580
• MDR Report Key: 24846030
• Report Number: 8030229-2026-06396
• Device Sequence Number: 5623943
• Product Code: MHX
• UDI-Device Identifier: 04931921111956
• UDI-Public: (01)04931921111956
• Combination Product (Y/N): N
• Initial Reporter State: CA
• Initial Reporter Country: US
• PMA/510(K) Number: K220976
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: User Facility
• Initial Reporter Occupation: Biomedical Engineer
• Type of Report: Initial,Followup
• Report Date (Section B): 07/01/2026

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: BSM-1773
• Device Catalogue Number: BSM-1773A
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 03/12/2026
• Supplement Date Received by Manufacturer: 06/29/2026
• Initial Report FDA Received Date: 04/11/2026
• Supplement Report FDA Received Date: 07/01/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 09/03/2020
• 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