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

Catalog Number	8065752438
Medical Device Problem Code	Failure to Cut (2587)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	10/29/2025
Type of Reportable Event	Malfunction
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).
Event or Problem Description
A nurse reported that before vitrectomy surgery, the vitrectomy cutter (probe) did not cut.The aspiration function was normal.The procedure was completed on the same day.There was no impact to the patient.
Additional Manufacturer Narrative
Additional information provided in d.9., h.3., h.6.And h.11.No technical inquiries were received from the customer.One opened probe with tip protector in a tray was received for the report.The sample was visually inspected and found to be conforming.The sample was then functionally tested for actuation and cut.The sample was found to be conforming for actuation and nonconforming for cut.The probe was disassembled and the components inspected.No/minimal wear on inner cutter when compared to the degree of wear based on continuous actuation of the probe visual standard photos.The probe engine was disassembled, and the components inspected.The diaphragm, spacer, top o-ring are all intact.Bottom o-ring has outer diameter damage.A review of the device history record traceable to the lot number obtained from the device¿s radio frequency identification tag, indicates that the reported product was processed and released according to the reported product¿s acceptance criteria the photo was reviewed by the manufacturing site.Photo show a label with reported lot number and probe and other items in a tray.Reported issue cannot be confirmed from photo.The investigation conducted a non-conformance review of the reported lot number.No deviations 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.The complaint evaluation confirms reported issue.The exact cause of the cut failure cannot be determined from the evaluation performed.However, a manufacturing related potential contributor factor was identified, damaged was observed on the o-ring and cannot be ruled out for the actuation problem as reported.As the root cause and its origin are inconclusive, further investigative or manufacturing actions are not warranted at this time as the exact root cause of the cut failure could not be determined; however, a non-conformance was completed for the damage observed on the o-ring.A nonconformance investigation was completed to investigate the trend identified for probes with would not cut or actuate issues.All probes are 100% visually inspected and tested for actuation, aspiration, and cut during manufacturing.Complaints are reviewed and monitored at regular intervals for any significant adverse trends.Complaint data for all company products is reviewed monthly to monitor for adverse trends.During the last review, 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).

• 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: 23726213
• Report Number: 1644019-2025-05320
• Device Sequence Number: 10629071
• Product Code: LRO
• UDI-Device Identifier: 00380657524389
• UDI-Public: (01)00380657524389(17)270131(11)250215(10)178TA1
• Combination Product (Y/N): N
• Initial Reporter Country: TH
• PMA/510(K) Number: K880961
• 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): 04/04/2026

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: 8065752438
• Device Lot Number: 178TA1
• 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: 11/11/2025
• Supplement Date Received by Manufacturer: 03/15/2026
• Initial Report FDA Received Date: 12/05/2025
• Supplement Report FDA Received Date: 04/04/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 02/15/2025
• 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