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

Catalog Number	8065751767
Medical Device Problem Code	Leak/Splash (1354)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	10/14/2025
Type of Reportable Event	Malfunction
Event or Problem Description
A health care professional reported that cassette was leaking from the green port during vitrectomy surgery.The surgery was successfully completed after replacing the product with another cassette.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).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 returned product was visually inspected, and no obvious defects were found.The green port on the cassette was found to be in good condition.The returned manifolds, probe connectors, and components were found to be in good condition.The connectors were connected to the cassette and handpiece without any interference.The non-invasive flow sensor (nifs) on the cassette housing was in good condition.A calibrated console representing the current software version was used to test the product.The ball in the drip chamber¿s check valve moved freely per specification.The led (light emission diode) rings on the console turned green as the probe connectors were engaged to the console indicating the proper communication between the probe and the console.The submerge leak test was performed on the cassettes.No leakage was observed.The product could prime and pass intraocular pressure calibration successfully.No anomalies were observed during priming.No system message code was generated during testing.Fluid flowed from the bss (balanced salt solution) bottle to the drain bag without any interfering.No leakage was detected from the pump elastomer or on the pump area of the fluidics module.Cleaning process was able to be performed after functional test had completed.The investigation conducted a non-conformance review of the reported lot number.No deviations that could have contributed to this event were identified and 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.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 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: CONSTELLATION SURGICAL 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: 23551307
• Report Number: 1644019-2025-04707
• Device Sequence Number: 9718668
• Product Code: LRO
• UDI-Device Identifier: 00380657517671
• UDI-Public: (01)00380657517671(17)270331(11)250417(10)17C7FP
• Combination Product (Y/N): N
• Initial Reporter Country: UK
• PMA/510(K) Number: K880961
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Foreign,Health Professional
• Initial Reporter Occupation: Other Health Care Professional
• Type of Report: Initial,Followup
• Report Date (Section B): 02/17/2026

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: 8065751767
• Device Lot Number: 17C7FP
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Follow-Up
• Initial Date Received by Manufacturer: 10/22/2025
• Supplement Date Received by Manufacturer: 01/23/2026
• Initial Report FDA Received Date: 11/14/2025
• Supplement Report FDA Received Date: 02/17/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 04/17/2025
• 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
• Patient Sex: Unknown