ALCON RESEARCH, LLC - HUNTINGTON ACRYSOF IQ ASPHERIC UV ABSORBING IOLWITH ULTRASERT DELIVERY SYSTEM; LENS, GUIDE, INTRAOCULAR
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Model Number ACU0T0 |
Device Problems
Defective Device (2588); Device Damaged by Another Device (2915)
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Patient Problem
Insufficient Information (4580)
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Event Date 04/24/2023 |
Event Type
malfunction
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Event Description
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A healthcare professional reported that during the intraocular lens (iol) implant procedure, lens found to have 2 scratches.Additional information received and stated that initially there were no problems noticed, at the end of the implantation procedure the shooter became sluggish.As per the surgeon opinion quality defects of the shooter caused the event.
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Manufacturer Narrative
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A sample device was not returned for analysis.Complaint history and product history records could not be reviewed because the reporter did not provide a lot number or any identification traceable to the manufacturing documentation.Root cause has not been identified.The manufacturer internal reference number is: (b)(4).
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Event Description
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Additional information received and stated that, the iol was left in the eye with the 2 scratches, currently the patient has no problems.
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Manufacturer Narrative
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Product history records were reviewed and the documentation indicated the product met release criteria.A qualified viscoelastic was indicated.The product investigation could not identify a root cause for the reported complaint.Follow up information was provided.The follow up indicated that the iol and the company device were not present and available for return.The iol was left in the eye with the two scratches, currently no problems.The follow up also indicated that the room was 21°c.This temperature did not exceed the recommended temperature range per the instruction for use (ifu).Also indicated was that the amount of qualified viscoelastic used was approximately 0.2 to 0.23 ml.The ifu instructs: fill the device until viscoelastic can be observed flowing to the line on the nozzle tip.This will require approximately 0.2 ml of viscoelastic.If inadequate viscoelastic is placed in the device this will cause inadequate coverage of the lens fold path which may cause the lens to advance incorrectly or become ¿stuck¿ in the device allowing the plunger to override the lens.It is unknown if the lens and plunger were in correct positions for advancement per the provided diagrams in the ifu.The ifu instructs: after the lens has been advanced to the nozzle line, the lens should be visually inspected to determine the position of the haptics.The plunger should be in contact with the trailing optic edge.After confirming the lens is properly positioned and the haptics are folded properly, proceed with lens implantation.Proceeding with implantation of a misfolded haptic or a lens that appears to be ¿out of position¿ can result in a broken haptic or other negative outcome, since the haptic may be trapped and stretched, and/or pinched and sheared by the moving plunger.The manufacturer internal reference number is: (b)(4).
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