MAUDE Adverse Event Report: ALCON RESEARCH, LLC - IRVINE TECHNOLOGY CENTER CONSTELLATION VISION SYSTEM, ACCESSORY, OZIL TORSIONAL HANDPIECE; UNIT, PHACOFRAGMENTATION

Catalog Number	8065750469
Medical Device Problem Code	Adverse Event Without Identified Device or Use Problem (2993)
Health Effect - Clinical Codes	Wound Dehiscence (1154); Eye Burn (2523)
Date of Event	01/06/2026
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 customer reported that during cataract surgery with intra ocular lens implantation, the patient experienced corneal burn, leakage and required suture.The procedure completion details have not been provided.The current patient status was unknown.
Additional Manufacturer Narrative
Additional information provided in section b.5.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
This report pertains to ophthalmic handpiece involved in this reported event.
Additional Manufacturer Narrative
Additional information was provided in sections d.9, h.3 h.6 and h.11.The product under investigation is not a serviceable device.Therefore, a service record review was not performed.However, a handpiece (hp) was returned for testing on this investigation.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.No similar complaints were reported for this product serial number (under investigation).A hp was received for testing on this investigation.A visual assessment of the returned sample revealed a discolored red dot, dented irrigation line, and strain relief damage.The returned sample was connected to a calibrated system.The handpiece tuned successfully and completed a five-minute burn-in test with the system set at 100% ultrasonic and torsional power.During the burn-in test, the temperature of the hp was measured per the product design specification and was found to be within specifications.A flow rate test was performed on the irrigation and aspiration lines of the handpiece which found the handpiece to meet alcon specifications per product specifications.The handpiece was connected to dynamic tuning fixture (dtf) for stroke length testing on the longitudinal and torsional movements which found the handpiece to meet specifications.As such, the root cause is identified as inconclusive.The hp was returned and found to meet specifications.Therefore, based on the information obtained, the root cause of the 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: CONSTELLATION VISION SYSTEM, ACCESSORY, OZIL TORSIONAL 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: 24092812
• Report Number: 2028159-2026-00078
• Device Sequence Number: 10239365
• Product Code: HQC
• UDI-Device Identifier: 00380657504695
• UDI-Public: (01)00380657504695(17)330106(11)230109(10)15909C
• Combination Product (Y/N): N
• Initial Reporter Country: FR
• PMA/510(K) Number: K101285
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Foreign
• Initial Reporter Occupation: Non-Healthcare Professional
• Type of Report: Initial,Followup,Followup
• Report Date (Section B): 04/01/2026

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: 8065750469
• Device Lot Number: 15909C
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Type of Report(Section G): Follow-Up
• Initial Date Received by Manufacturer: 01/08/2026
• Supplement Date Received by Manufacturer: 01/16/2026; 03/11/2026
• Initial Report FDA Received Date: 01/16/2026
• Supplement Report FDA Received Date: 02/09/2026; 04/01/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 01/09/2023
• 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: CONSTELLATION VISION SYSTEM.
• Outcome Attributed to Adverse Event: Required Intervention; Other
• Patient Sex: Unknown