MAUDE Adverse Event Report: ALCON RESEARCH, LLC - HOUSTON CONSTELLATION VISION SYSTEM, ACCESSORY, INFUSION TUBING SET; UNIT, PHACOFRAGMENTATION

Catalog Number	8065750914
Medical Device Problem Code	No Flow (2991)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	12/27/2024
Type of Reportable Event	Malfunction
Event or Problem Description
A nurse reported that no air was released during the gas-liquid exchange process of vitrectomy surgery.The surgery was completed on the same day after replacing the product with another one.There was no patient impact.
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).
Additional Manufacturer Narrative
Additional information provided in d.9., h.3., h.6.And h.11.A review of the device history record traceable to the reported lot number indicates that the product was processed and released according to the product¿s acceptance criteria.The returned infusion manifold was visually inspected, and no obvious defects were found.The manifold was tested with lab stock cassette and other manifolds.The sample could prime and pass intraocular pressure calibration successfully.No anomalies were observed during priming.No system message code was generated during testing.The infusion flowrate and pressure were measured at multiple set points and met specifications.Toggling the infusion and the fluid/air exchange (f/ax) modes, fluid and air flowed from the cassette to the infusion line continuously without any bubble in various settings in all sub modes.The root cause of the customer's complaint could not be established; the returned sample functioned per specifications.After an investigation of this complaint, it has been determined that this sample functioned per specifications; therefore, no corrective action is required at this time.No adverse trends have been observed associated with the reported product and event.Quality assurance has reviewed this complaint and will continue to monitor data for evidence of adverse trending and take further action, as appropriate.The manufacturer internal reference number is: (b)(4).

• Brand Name: CONSTELLATION VISION SYSTEM, ACCESSORY, INFUSION TUBING SET
• Common Device Name: UNIT, PHACOFRAGMENTATION
• 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: 21120977
• Report Number: 1644019-2025-00162
• Device Sequence Number: 12665197
• Product Code: HQC
• UDI-Device Identifier: 00380657509140
• UDI-Public: (01)00380657509140(17)251231(11)240105(10)16EHCJ
• Combination Product (Y/N): N
• Initial Reporter Country: CH
• PMA/510(K) Number: K101285
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Foreign,Health Professional,Company Representative
• Initial Reporter Occupation: Nurse
• Type of Report: Initial,Followup
• Report Date (Section B): 04/22/2025

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 Expiration Date: 12/31/2025
• Device Catalogue Number: 8065750914
• Device Lot Number: 16EHCJ
• 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: 12/27/2024
• Supplement Date Received by Manufacturer: 03/28/2025
• Initial Report FDA Received Date: 01/09/2025
• Supplement Report FDA Received Date: 04/22/2025
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 01/05/2024
• 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
• Patient Sex: Unknown