MAUDE Adverse Event Report: GYRUS ACMI, INC. CHITOZOLVE FINISHED GOOD (8/PK); SPLINT, INTRANASAL SEPTAL

Model Number	CNS155
Medical Device Problem Code	Microbial Contamination of Device (2303)
Health Effect - Clinical Codes	Unspecified Infection (1930); Swelling/ Edema (4577)
Type of Reportable Event	Serious Injury
Event or Problem Description
The customer reported to olympus that a patient developed "infection, post-implantation infection", and edema after using the chitozolve nasal splint for a therapeutic unspecified procedure.The procedure was reportedly done to "separate tissue or structures compromised by surgical trauma, help control minimal bleeding following surgery or trauma, and to separate and prevent adhesions between mucosal surfaces during mesothelial cell regeneration in the nasal cavity." additional information was requested but no further information was obtained.
Additional Manufacturer Narrative
The suspect device has not been returned to olympus.The investigation is ongoing.A supplemental report will be submitted upon completion of the investigation or if additional information is received.
Additional Manufacturer Narrative
This report is being supplemented to provide additional information based on the legal manufacturer's final investigation.The device history record was unable to be reviewed for this device since the serial/lot number was not provided.However, olympus only releases products to market that meet all manufacturing specifications and final product release criteria.Based on the results of the investigation, the complaint could not be confirmed because the device was not returned to olympus, and no further event information was provided by the customer.Therefore, the root cause of the reported event could not be determined.The event can be detected/prevented by following the instructions for use (ifu) which state: ¿the splint is not bacteriostatic toward pre-existing infections and does not prevent the occurrence of new infections." olympus will continue to monitor field performance for this device.

• Brand Name: CHITOZOLVE FINISHED GOOD (8/PK)
• Common Device Name: SPLINT, INTRANASAL SEPTAL
• Manufacturer (Section D): GYRUS ACMI, INC.; 800 west park drive; westborough MA 01581
• Manufacturer (Section G): GYRUS ACMI, INC.; 800 west park drive; westborough MA 01581
• Manufacturer Contact: todd brill ; 800 west park drive; westborough, MA 01581 ; 5082077661
• MDR Report Key: 17410430
• Report Number: 3003790304-2023-00305
• Device Sequence Number: 7037837
• Product Code: LYA
• UDI-Device Identifier: 00821925044166
• UDI-Public: 00821925044166
• Combination Product (Y/N): N
• Initial Reporter Country: US
• PMA/510(K) Number: K181696
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Health Professional,User Facility
• Initial Reporter Occupation: Other Health Care Professional
• Type of Report: Initial,Followup
• Report Date (Section B): 10/12/2023

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: Yes
• Operator of Device: Health Professional
• Device Model Number: CNS155
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Was the Report Sent to FDA?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 07/03/2023
• Supplement Date Received by Manufacturer: 10/11/2023
• Initial Report FDA Received Date: 07/27/2023
• Supplement Report FDA Received Date: 10/12/2023
• Was Device Evaluated by Manufacturer? (Y/N): Device Not Returned to Manufacturer
• Is the Device Labeled for Single Use? (Y/N): Yes
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Initial
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Other
• Patient Sex: Unknown