Investigation of event details and follow up to clarify whether the device is available for evaluation is ongoing.The lot numbers for these devices were not supplied; therefore, further review of the related manufacturing records could not be performed.Complaint histories for all reported events are reviewed against trending control limits on a monthly basis, and any excursions above the control limits are assessed and documented as part of this monthly review.
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As per new information received the issue was always noted before use, no patients were directly involved.Patient demographics unable to be obtained.The event description was therefore updated to: as reported, in recent months with unknown models of swan-ganz catheters and always before use in patient, balloon deflation inability events have been experienced in multiple occasions.There was no allegation of patient injury.Despite due diligent attempts to receive further information regarding this event, no additional information was received from the customer.Additionally, it was further informed that no devices were available for evaluation since it was discarded at hospital.Without return of the product, edwards is unable to perform a complete investigation of the reported event.It is not possible to determine what factors may have contributed to it, and therefore no actions could be planned.As part of the manufacturing process, units undergo a balloon inspection and balloon deflation test.Additionally, balloon free deflation time requirements are established for all models.
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