MAUDE Adverse Event Report: ALCON RESEARCH, LLC - HOUSTON UNITY CATARACT FMS PROCEDURE PACK; GENERAL SURGERY TRAY (KIT)

Catalog Number	8065000340
Medical Device Problem Codes	Improper Flow or Infusion (2954); Appropriate Device Problem Term/Code Not Available (3191)
Health Effect - Clinical Code	Intraocular Pressure Decreased (4468)
Date of Event	09/23/2025
Type of Reportable Event	Malfunction
Event or Problem Description
The physician reported that the cassette displayed some resettable advisories and there was no infusion going into the eye leading to anterior chamber instability during sculpt mode of vitreo-retinal surgery.The surgery was completed after replacing the cassette with another one as well changing changing the equipment.There was patient contact but no impact to the patient.This report pertains to cassette involved in reported events.
Additional Manufacturer Narrative
Investigation including root cause analysis is in progress.A supplemental mdr will be filed as necessary in accordance with 21 cfr 803.56 when additional reportable information becomes available.The manufacturer internal reference number is: (b)(4).H.10 reflects all related report numbers associated with this product event that have been submitted at this time.
Additional Manufacturer Narrative
Additional information provided in d.9., h.3., h.6.And h.11.The turbid pak was visually inspected, and no obvious defects were found.All manifolds were inserted properly in the cassette housing.The valves on the cassette base were intact.The small part tray was not returned with the product.Both irrigation and aspiration luers were intact.Flare shape was observed in the blue socket fitting at the aspiration tubing insertion end.The product was tested using the console with the calibrated console.The product could prime and tune with the active sentry handpiece, the 0.9 milli meter aspiration bypass system tip and infusion sleeve from the lab stock successfully.No message code appeared on the screen.The fluidics management system wall leak test, irrigation, aspiration and redundant pressure sensors displayed the correct accuracy readings when evaluated.The maximum vacuum test successfully achieved the target vacuum pressure.The product passed functionality per procedure.The investigation conducted a non-conformance review of the reported lot number.No relevant deviations were identified, all corresponding production release specifications defined in the device master record were met.Based on the evaluation of the information and materials received, the investigation was unable to identify the root cause or origin of the reported event as the product functioned per specifications.Additionally, no manufacturing-related deficiencies were found that potentially could have contributed to the complaint.No further investigative or manufacturing actions are warranted at this time due to the product meeting specifications.Receipt of additional relevant information or supporting materials will prompt a re-evaluation of the complaint investigation.Complaint data for all company products is reviewed monthly to monitor for adverse trends.During the last review, no adverse trends were observed for the reported product and event combination.Quality assurance has reviewed this complaint and will continue to monitor data for evidence of adverse trending and take further action, as appropriate.No further action warranted at this time.The manufacturer internal reference number is: (b)(4).H.10 reflects all related report numbers associated with this product event that have been submitted at this time.

• Brand Name: UNITY CATARACT FMS PROCEDURE PACK
• Common Device Name: GENERAL SURGERY TRAY (KIT)
• Manufacturer (Section D): ALCON RESEARCH, LLC - HOUSTON; 9965 buffalo speedway; houston TX 77054
• Manufacturer (Section G): ALCON RESEARCH, LLC - HOUSTON; 9965 buffalo speedway; houston TX 77054
• Manufacturer Contact: jonathan schlech ; 6201 south freeway; mail stop ab2-6; fort worth, TX 76134 ; 8007579780
• MDR Report Key: 23633881
• Report Number: 1644019-2025-04989
• Device Sequence Number: 9317462
• Product Code: LRO
• UDI-Device Identifier: 00380650003409
• UDI-Public: (01)00380650003409(17)270131(11)250218(10)178WHV
• Combination Product (Y/N): N
• Initial Reporter State: TX
• Initial Reporter Country: US
• PMA/510(K) Number: K880961
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Health Professional,Company Representative
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 04/13/2026

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 Catalogue Number: 8065000340
• Device Lot Number: 178WHV
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 10/29/2025
• Supplement Date Received by Manufacturer: 03/20/2026
• Initial Report FDA Received Date: 11/24/2025
• Supplement Report FDA Received Date: 04/13/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 02/18/2025
• 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
• Concomitant Medical Products and Therapy/Usage Dates: UNITY VCS CONSOLE.
• Patient Sex: Unknown