MAUDE Adverse Event Report: NIHON KOHDEN CORPORATION LIFE SCOPE G9; BEDSIDE MONITOR

Model Number	CU-192R
Medical Device Problem Codes	Activation Problem (4042); Key or Button Unresponsive/not Working (4063)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	12/15/2025
Type of Reportable Event	Malfunction
Event or Problem Description
The biomedical engineer (bme) reported that the g9 monitor had a bad controller, and the touchscreen was not responding to touch inputs.No patient harm was reported.
Additional Manufacturer Narrative
The biomedical engineer (bme) reported that the g9 monitor had a bad controller, and the touchscreen was not responding to touch inputs.The customer had already performed some unspecified troubleshooting and could not get the touchscreen to respond.No patient harm was reported.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.Additional device information: d10 concomitant medical device: the following devices were used in conjunction with the g9 monitor.Bedside monitor (bsm).Model #: bsm -1753a.Serial #: (b)(6).Device manufacturer data: 07/29/2020.Unique identifier (udi) #: (b)(4).Returned to nihon kohden: na.Central nurse's station (cns): model #: pu-681ra serial #: (b)(4).Device manufacturer data: 07/01/2020.Unique identifier (udi) #: (b)(4).Returned to nihon kohden: na.
Event or Problem Description
The biomedical engineer (bme) reported that the g9 monitor had a bad controller, and the touchscreen was not responding to touch inputs.No patient harm was reported.
Additional Manufacturer Narrative
Details of complaint: the biomedical engineer (bme) reported that the g9 monitor had a bad controller, and the touchscreen was not responding to touch inputs.The customer had already performed some unspecified troubleshooting and could not get the touchscreen to respond.No patient harm was reported.Investigation summary: the g9 monitor was returned to nihon kohden (nk) for evaluation and repair.During the evaluation, the reported issue was duplicated.The root cause was determined to be the circuit board failure of the graphic control board.Nk will continue to monitor and trend.Additional device information: d10 concomitant medical device: the following devices were used in conjunction with the g9 monitor: bedside monitor (bsm): model #: bsm -1753a, serial #: (b)(6), device manufacturer data: 07/29/2020, unique identifier (udi) #: (b)(4), returned to nihon kohden: na.Central nurse's station (cns): model #: pu-681ra, serial #: (b)(6), device manufacturer data: 07/01/2020, unique identifier (udi) #: (b)(4), returned to nihon kohden: na.Additional information: b4.Date of this report, d9.Device available for evaluation? 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 G9
• 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: 23996733
• Report Number: 8030229-2026-06041
• Device Sequence Number: 10239806
• Product Code: MHX
• UDI-Device Identifier: 04931921112168
• UDI-Public: (01)04931921112168
• Combination Product (Y/N): N
• Initial Reporter State: PA
• Initial Reporter Country: US
• PMA/510(K) Number: K213316
• 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): 03/24/2026

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: CU-192R
• Device Catalogue Number: CU-192RA
• 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: 12/15/2025
• Supplement Date Received by Manufacturer: 03/12/2026
• Initial Report FDA Received Date: 01/07/2026
• Supplement Report FDA Received Date: 03/24/2026
• 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
• Concomitant Medical Products and Therapy/Usage Dates: BEDSIDE MONITOR (BSM -1753A).; BEDSIDE MONITOR (BSM -1753A).; CENTRAL NURSE'S STATION (PU-681RA).; CENTRAL NURSE'S STATION (PU-681RA).
• Patient Sex: Unknown