MAUDE Adverse Event Report: NIHON KOHDEN ORANGEMED, LLC NIHON KOHDEN NKV-330 VENTILATOR SYSTEM; VENTILATOR, CONTINUOUS, FACILITY USE

Model Number	NKV-330
Medical Device Problem Code	High Readings (2459)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	02/27/2025
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
Nihon kohden orangemed llc will submit a supplemental report if additional information becomes available.
Event or Problem Description
It was reported that the user was testing two different nkv-330 ventilators on a patient with the same settings and mask.This ventilator displayed larger tidal volume (vt) measurements than the other one (the one the user felt was ¿normal¿), although the user stated that it didn't appear that the patient was getting larger tidal volumes from this ventilator than the other one.The patient felt similarly with both ventilators.There was no harm to the patient.The patient was alert, comfortable, and responsive.
Additional Manufacturer Narrative
Evaluation completed.

• Brand Name: NIHON KOHDEN NKV-330 VENTILATOR SYSTEM
• Common Device Name: VENTILATOR, CONTINUOUS, FACILITY USE
• Manufacturer (Section D): NIHON KOHDEN ORANGEMED, LLC; 1800 e. wilshire ave.; santa ana CA 92705
• Manufacturer (Section G): NIHON KOHEN ORANGEMED, LLC; 1800 e. wilshire ave.; santa ana CA 92705
• Manufacturer Contact: sheryl higgins ; 1800 e. wilshire ave.; santa ana, CA 92705 ; 949502644
• MDR Report Key: 21662877
• Report Number: 3014631252-2025-00012
• Device Sequence Number: 8347342
• Product Code: MNT
• UDI-Device Identifier: 00843685100043
• UDI-Public: (01)00843685100043(11)240722
• Combination Product (Y/N): N
• Initial Reporter State: NE
• Initial Reporter Country: US
• PMA/510(K) Number: K213521
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Company Representative
• Initial Reporter Occupation: Other Health Care Professional
• Type of Report: Initial,Followup
• Report Date (Section B): 04/04/2025

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: NKV-330
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 03/19/2025
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 02/27/2025
• Supplement Date Received by Manufacturer: Not provided
• Initial Report FDA Received Date: 03/21/2025
• Supplement Report FDA Received Date: 04/04/2025
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 07/22/2024
• 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
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Other
• Patient Age: 65 YR
• Patient Sex: Male
• Patient Weight: 163 KG