The patient interface (pi) suction ring may lose suction during a procedure.Label copy states corneal fixation vacuum loss can occur.There are several factors that may contribute to suction issues such as doctor¿s technique in applying the suction ring to the cornea, doctor¿s technique in squeezing the pi clip to secure the suction ring to the pi cone and patient anatomy affecting the interface between the patient¿s cornea and the suction ring.Device evaluation: two (2) patient interface (pi) lot# 60137580 was returned within its original packaging.A visual inspection of the returned devices did not reveal any damage to the components and all parts were assembled correctly.Suction and dimensional test were performed, and all results were within specifications.The reported suction loss issue could not be confirmed.Manufacturing record evaluation: per manufacturing records review report, no related non-conformity or deviations were issued during manufacturing the pi lot# 60137580.All devices met material, assembly and performance specifications at the time of product released.Conclusion: based on the investigation results there is no indication of a product quality deficiency.All pertinent information available to johnson & johnson surgical vision, inc.Has been submitted.
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