ALCON RESEARCH, LLC - IRVINE TECHNOLOGY CENTER CONSTELLATION VISION SYSTEM; UNIT, PHACOFRAGMENTATION
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Model Number L |
Device Problems
Decrease in Pressure (1490); No Flow (2991); No Pressure (2994)
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Patient Problem
Intraocular Pressure Decreased (4468)
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Event Date 06/29/2023 |
Event Type
malfunction
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Event Description
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The physician reported that during the vitrectomy surgery an ophthalmic operating console exhibited with the anterior chamber collapse, lack of pressure compensation in the posterior segment, decrease in intraocular pressure, fluid did not flow with the appropriate pressure, posterior chamber pressure, inflow of fluid was weak.The surgery was completed on the same day.There was no report of the patient harm.Additional information has been requested and none received till date.
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Manufacturer Narrative
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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).
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Manufacturer Narrative
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Additional information provided in sections d.4, h.4 d.9.H.3.H.6 and h.10 the company representative was unable to confirm nor replicate the reported event.The system was tested and found to meet product specifications.Based on the results of this investigation, the reported event cannot be confirmed.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 meet specifications.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).
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Search Alerts/Recalls
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