MAUDE Adverse Event Report: NIHON KOHDEN CORPORATION NIHON KOHDEN LIFE SCOPE G7 BEDSIDE MONITORING SYSTEM

Model Number	CU-172R
Medical Device Problem Codes	Display Difficult to Read (1181); Display or Visual Feedback Problem (1184)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	07/01/2026
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
Details of complaint: the biomedical engineer (bme) reported that the g7 monitor had vertical lines going across the entire display.The bme also stated that the display would eventually dim off and the screen remains black.No patient harm was reported.Investigation summary: the device was returned to nihon kohden for evaluation and repair.However, the reported issue could not be replicated, and the device was returned to the customer without repair.Since the complaint could not be replicated, a definitive cause for the event cannot be established.A possible explanation for the event is a transient software issue.A review of the device's complaint history by serial number reveals no similar issue.Nihon kohden will continue to trend and monitor.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.
Event or Problem Description
The biomedical engineer (bme) reported that the g7 monitor had vertical lines going across the entire display.The bme also stated that the display would eventually dim off and the screen remains black.No patient harm was reported.

• Brand Name: NIHON KOHDEN LIFE SCOPE G7 BEDSIDE MONITORING SYSTEM
• 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: 25906329
• Report Number: 8030229-2026-06848
• Device Sequence Number: 5841869
• Product Code: MHX
• UDI-Device Identifier: 04931921004517
• UDI-Public: (01)04931921004517
• Combination Product (Y/N): N
• Initial Reporter State: MA
• Initial Reporter Country: US
• PMA/510(K) Number: K203435
• 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
• Report Date (Section B): 07/22/2026

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-172R
• Device Catalogue Number: CU-172R
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 07/01/2026
• Initial Report FDA Received Date: 07/22/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 10/11/2024
• 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: Reuse
• Patient Sequence Number: 1
• Patient Sex: Unknown