MAUDE Adverse Event Report: HAMILTON MEDICAL AG HAMILTON-C1

Model Number	1610010
Medical Device Problem Code	Obstruction of Flow (2423)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	02/16/2026
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
Hamilton medical ag ref.Nr: (b)(4).Investigation ongoing.
Event or Problem Description
Hamilton medical ag received the following event description: the device alarmed with exhalation obstructed during ventilation.Patient was transferred to a different hamilton-c1.No harm to the patient was reported.
Additional Manufacturer Narrative
Follow-up 1: investigation outcome.Hamilton medical ag received the logfiles of the device for analysis.The reported issue can be verified from the received logs.The device alarmed for "exhalation obstructed" due to defective expiratory valve assembly.Replacement of this part resolved the issue.This case is considered closed.

• Brand Name: HAMILTON-C1
• Common Device Name: HAMILTON-C1
• Manufacturer (Section D): HAMILTON MEDICAL AG; via crusch 8; bonaduz
• Manufacturer (Section G): HAMILTON MEDICAL AG; via crusch 8; bonaduz
• Manufacturer Contact: alina liliana valean ; via crusch 8; bonaduz
• MDR Report Key: 24386996
• Report Number: 3001421318-2026-00078
• Device Sequence Number: 10622180
• Product Code: CBK
• UDI-Device Identifier: 07630002813426
• UDI-Public: (01)07630002813426(11)240416(240)1610010
• Combination Product (Y/N): N
• Initial Reporter Country: US
• PMA/510(K) Number: K181216
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: User Facility,Distributor
• Initial Reporter Occupation: Other
• Type of Report: Initial,Followup
• Report Date (Section B): 04/03/2026

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: 1610010
• Device Catalogue Number: 1610010
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: No
• Was the Report Sent to FDA?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 02/17/2026
• Supplement Date Received by Manufacturer: Not provided
• Initial Report FDA Received Date: 02/19/2026
• Supplement Report FDA Received Date: 04/03/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 04/16/2024
• 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