The product was not returned.Product history records were reviewed and the documentation indicated the product met release criteria.Viscoelastic information was not provided.It is unknown if a qualified viscoelastic was used.The root cause for the reported complaint may be related to a failure to follow the instruction for use (ifu).Information indicated that ¿additional viscoelastic substance had to be added to the inserter, and it was refrigerated.".Per the instruction for use: do not attempt to add ophthalmic viscoelastic device (ovd) to the device after the lens stop has been removed or lens damage may result.Do not attempt to retract the plunger after the plunger lock has been removed or plunger damage may result.Take at least 7 seconds to gently fold the intra ocular 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.The file indicated that the additional viscoelastic that was added, was refrigerated.Per the ifu: 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.It is unknown if a qualified viscoelastic was used.The ifu instructs: during device preparation and implantation of the company model iol with the company preloaded delivery system, an company qualified ovd should be used.The use of an unqualified ovd may cause damage to the lens and potential complications during the device preparation and implantation steps.Information was provided in the file follow up section that the customer does not agree to contact.The file has been completed based on available provided information.If the sample becomes available for evaluation, the file will be reopened and updated.The manufacturer internal reference number is: (b)(4).
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