MAUDE Adverse Event Report: Nihon Kohden Corporation Life Scope PT; Bedside Monitor

Model Number	BSM-1733
Medical Device Problem Codes	Unable to Obtain Readings (1516); Incorrect, Inadequate or Imprecise Result or Readings (1535); Output Problem (3005)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	07/29/2026
Type of Reportable Event	Malfunction
Event or Problem Description
The biomedical engineer (biomed) reported that during setup the nibp pump and spo2 readings on the bsm-1733a were intermittently failing.No patient harm was reported.
Additional Manufacturer Narrative
Details of complaint: the biomedical engineer (biomed) reported that during setup the nibp pump and spo2 readings on the bsm-1733a were intermittently failing.No patient harm was reported.Investigation summary: the complaint device was returned to nk for evaluation and exchange.During the evaluation, the reported issue could not be duplicated.As such, this complaint could not be confirmed, and the root cause of the reported issue could not be determined.During the evaluation, ecg failure was observed.The root cause of the observed ecg failure is due to damage to the ecg port.Nk will continue to monitor and trend.Additional information: b4 date of this report g3 date received by manufacturer g6 type of report h2 if follow-up, what type? h3 device evaluated by manufacturer? h6 event problem and evaluation codes h11 additional manufacturer narrative.

• 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 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: 50326284
• Report Number: 8030229-2026-07023
• Device Sequence Number: 9714379
• Product Code: MHX
• UDI-Device Identifier: 04931921111833
• UDI-Public: (01)04931921111833
• Combination Product (Y/N): N
• Initial Reporter State: MA
• 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): 09/30/2026

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-1733
• Device Catalogue Number: BSM-1733A
• Was Device Available for Evaluation?: Yes
• Date Returned to Manufacturer: 08/17/2026
• Is the Reporter a Health Professional?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: Not provided
• Supplement Date Received by Manufacturer: 09/16/2026
• Initial Report FDA Received Date: 08/19/2026
• Supplement Report FDA Received Date: 09/30/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 04/28/2022
• 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