ALCON RESEARCH, LLC - IRVINE TECHNOLOGY CENTER CENTURION VISION SYSTEM, ACCESSORY, ACTIVE SENTRY HANDPIECE; UNIT, PHACOFRAGMENTATION
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Catalog Number 8065752914 |
Device Problem
Particulates (1451)
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Patient Problems
Corneal Scar (1793); Blurred Vision (2137); Eye Burn (2523); Appropriate Clinical Signs, Symptoms, Conditions Term / Code Not Available (4581)
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Event Date 12/06/2021 |
Event Type
Injury
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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.(b)(4).
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Event Description
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A physician reported that during surgery the patients were experienced with corneal burn due to high thermal energy which caused wound leak, corneal opacity, scar interfering with visual axis, corneal astigmatism.The scar required four sutures as surgical intervention and operator observed a white virus at the end of the tip.The procedure was completed.
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Manufacturer Narrative
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The phaco handpiece was not returned for evaluation.A phaco handpiece 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 lot/batch/serial number was performed.No similar complaints were reported for the product lot/batch/serial under investigation.The product under investigation is not a serviceable device.Therefore, a service record review was not performed.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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Manufacturer Narrative
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Additional information has been provided in sections d.9, h.3, h.6 and h.10.The phacoemulsification handpiece was received for this investigation.A visual assessment of the returned sample revealed a missing red dot.The handpiece was connected to a calibrated system.The handpiece tuned successfully and completed a five-minute burn-in test with the system set at 100% ultrasonic and torsional power.The handpiece was connected to dynamic tuning fixture (dtf) for stroke length testing on the longitudinal and torsional movements which found the handpiece to meet specifications.Most corneal burns can be traced to issues related to surgical technique and not to malfunctioning equipment.The returned phaco hp met specification.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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