| Model Number |
AU00T0 |
| Medical Device Problem Code |
Failure to Advance (2524)
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| Health Effect - Clinical Code |
No Clinical Signs, Symptoms or Conditions (4582)
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| Date of Event |
11/04/2025
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Type of Reportable Event
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Malfunction
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Event or Problem Description
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A nurse reported that during an intraocular lens (iol) implant procedure, the lens was faulty and plunger over-ride the lens.There was patient contact.Additional information was received and stated, the surgery was completed on the same day with a new lens.There was no patient harm.
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Additional Manufacturer Narrative
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A product was not returned for analysis.Complaint history and product history records were reviewed and documentation indicated the product met release criteria.Root cause has not been identified.The manufacturer internal reference number is: (b)(4).
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Additional Manufacturer Narrative
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Additional information was provided in h.3., h.6 and h.11.The product was not returned for evaluation.Photos were provided which showed the device.The first photo was from the top (door side).Viscoelastic was observed in the device.The plunger was oriented correctly.The plunger had been advanced completely over the lens to mid-nozzle.The lens was still partially in the loading area.A device history record review and a non-conformance review of the reported lot number was conducted.The deviation review did not reveal any potential contributing factors to the reported complaint and all corresponding production release specifications defined in the device master record were met.A qualified viscoelastic was indicated.The root cause for the override could not be determined.The device was not returned for evaluation.Review of the provided photos showed the lens was still partially in the loading area.The plunger was visible advanced completely over the lens to mid-nozzle.This may indicate the plunger was advanced too rapidly.The instructions for use (ifu) instructs: fully insert the ophthalmic viscosurgical device (ovd) cannula, perpendicular to the device, through the viscoelastic port, located in the lens stop portion of the device.Fill the device until ovd can be observed flowing to the fill-to line on the nozzle tip.This will require approximately 0.2 ml of ovd.Only use an company ovd qualified for use with the company pre-loaded delivery system that has been allowed to come to the operating room temperature.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.The ifu instructs: take at least 7 seconds to gently fold the intraocular lens (iol) by advancing the plunger forward in one smooth, continuous motion until the front edge of the optic is even with the fill-to line on the nozzle.Do not allow any portion of the lens to exit the nozzle tip.At this position the blue spring will contact the clear main body.It is important to not advance the plunger abruptly to fold the iol as improper folding and lens damage may occur.Plunger override may occur: due to rapid advancement faster than the ifu recommended rate.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.If the operating room temperature is too high (greater than 23 degrees centigrade / 73 degrees fahrenheit) lens folding consistency is negatively affected, the lens is more adherent and this may inhibit lens advancement.Any of the above listed causes alone, or in combination, may create the reported event.The manufacturer internal reference number is: (b)(4).
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Search Alerts/Recalls
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