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

Model Number TABLETOP

Device Problem Gas Output Problem (1266)

Patient Problem Insufficient Information (4580)

Event Date 10/01/2023

Event Type  malfunction  

Event Description

A physician reported that during pars plana vitrectomies with retinal detachment surgery, an ophthalmic gas was being dispensed to patients and gas bubbles in the eye were being absorbed at a faster rate than normal in multiple post operative patients.Issue was not resolved even after changing gas bottles and syringes.An ophthalmic system did not accurately dispense the volume of undiluted gas claimed to have been dispensed in the prompt due to an issue with the purge steps of the gas dispensing process.The procedure was completed with no report of patient harm.

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).

Manufacturer Narrative

The company representative was unable to confirm nor replicate the reported event.The system was tested and found to meet product specifications.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 the product serial under investigation.The system was found to have no problem.Therefore, the root cause of the reported event is inconclusive.Manufacturer 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
• Type of Device: 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: 18474228
• MDR Text Key: 332524630
• Report Number: 2028159-2024-00034
• Device Sequence Number: 1
• Product Code: HQC
• UDI-Device Identifier: 00380657511501
• UDI-Public: 00380657511501
• Combination Product (y/n): N
• Reporter Country Code: CA
• PMA/PMN Number: K101285
• Number of Events Reported: 1
• Summary Report (Y/N): N
• Report Source: Manufacturer
• Source Type: Foreign,Health Professional
• Reporter Occupation: Other Health Care Professional
• Type of Report: Initial,Followup
• Report Date: 02/05/2024

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
• Device Operator: Health Professional
• Device Model Number: TABLETOP
• Device Catalogue Number: 8065751150
• Was Device Available for Evaluation?: Yes
• Is the Reporter a Health Professional?: Yes
• Initial Date Manufacturer Received: 12/12/2023
• Initial Date FDA Received: 01/09/2024
• Supplement Dates Manufacturer Received: 01/11/2024
• Supplement Dates FDA Received: 02/05/2024
• Was Device Evaluated by Manufacturer?: Yes
• Date Device Manufactured: 06/23/2012
• Is This a Reprocessed and Reused Single-Use Device?: No
• Type of Device Usage: Reuse
• Patient Sequence Number: 1
• Treatment: ISPAN PERFLUOROPROPANE (C3F8) GAS