MAUDE Adverse Event Report: ALCON RESEARCH, LLC - IRVINE TECHNOLOGY CENTER UNITY VCS/CS, ACCESSORY, UNITY 4D PHACO HANDPIECE; UNIT, PHACOFRAGMENTATION

Catalog Number	8065000315
Medical Device Problem Code	Adverse Event Without Identified Device or Use Problem (2993)
Health Effect - Clinical Codes	Capsular Bag Tear (2639); Intraocular Pressure Decreased (4468)
Date of Event	03/24/2026
Type of Reportable Event	Serious Injury
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.
Event or Problem Description
A physician reported that during chop mode of cataract surgery an ophthalmic handpiece and system was not giving chamber stability and fluctuation which had occurred in multiple cases.Additional information has been received and indicated that the patient experienced capsular tear or rupture which was managed surgically by anterior vitrectomy.
Additional Manufacturer Narrative
Additional information provided in sections h3 and h11.The product under investigation is not a serviceable device.Therefore, a service record review was not performed.There was no product returned for this investigation.Based on the information obtained, the root cause of the reported event is inconclusive.A non-conformance based review of the serial number was performed and did not reveal any potential contributing factors to the reported complaint.A manufacturing device history record (dhr) review was performed prior to product release to ensure that the product was manufactured in compliance with the device master record.Based on the assessment, the product met release criteria.A review for ¿complaints reported against this serial number¿ was performed.There were no similar complaints reported for the product serial under investigation with the same event code.The potential cause of the reported ¿chamber fluctuation¿ and ¿pc tear¿ can be attributed to surgical mitigations or factors.By proactively implementing preventive strategies to optimize surgical outcomes, surgeons will prioritize patient safety during procedures.However, based upon the information obtained, the root cause of the reported issues remains inconclusive.Manufacturer will continue to monitor data for evidence of adverse trending and take further action, as appropriate.Similar incident/event data was collected for the associated reported events.Quality assurance will continue to perform periodic monitoring for evidence of adverse trending and take further action as appropriate.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 VCS/CS, ACCESSORY, UNITY 4D PHACO HANDPIECE
• Common Device Name: UNIT, PHACOFRAGMENTATION
• Manufacturer (Section D): ALCON RESEARCH, LLC - IRVINE TECHNOLOGY CENTER; 15800 alton parkway; irvine CA 92618
• Manufacturer (Section G): ALCON RESEARCH, LLC - IRVINE TECHNOLOGY CENTER; 15800 alton parkway; irvine CA 92618
• Manufacturer Contact: jonathan schlech ; 6201 south freeway; mail stop ab2-6; fort worth, TX 76134 ; 8007579780
• MDR Report Key: 25111570
• Report Number: 2028159-2026-00647
• Device Sequence Number: 21421247
• Product Code: HQC
• UDI-Device Identifier: 00380650003157
• UDI-Public: (01)00380650003157(17)350916(11)250918(10)17MEVY
• Combination Product (Y/N): N
• Initial Reporter Country: IN
• PMA/510(K) Number: K233876
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Foreign,Health Professional,Company Representative
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 07/20/2026

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?: No
• Operator of Device: Health Professional
• Device Catalogue Number: 8065000315
• Device Lot Number: 17MEVY
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Follow-Up
• Initial Date Received by Manufacturer: 04/13/2026
• Supplement Date Received by Manufacturer: 06/26/2026
• Initial Report FDA Received Date: 05/07/2026
• Supplement Report FDA Received Date: 07/20/2026
• Date Device Manufactured: 09/18/2025
• 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
• Concomitant Medical Products and Therapy/Usage Dates: UNITY VCS CONSOLE; UNITY VCS CONSOLE.
• Outcome Attributed to Adverse Event: Other; Required Intervention
• Patient Sex: Unknown