Method: the catheter portion was reported to be discarded.A lot number was not provided therefore, a review of the device history record (dhr) cannot be conducted.Results: as no device was available for an evaluation no methods were performed, therefore results cannot be obtained.Conclusions: at this time the physician has decided not to remove the retrained portion of the catheter and the portion removed was discarded.Since an evaluation could not be conducted, we are unable to determine a cause for the reported event.Per the technical bulletin "tips for preventing in-situ catheter breakage with the on-q post-op pain relief system," recommendations are provided for removing the catheter: according to the directions for use "if resistance is encountered during removal, or if the catheter stretches, stop.It is advisable to wait 30-60 minutes and try again.The patient's body movements may relieve the catheter to allow easier removal.If the catheter is still difficult to remove, an x-ray is recommended.If additional information pertinent to this event becomes available, i-flow will submit a follow-up report.Information from this incident will be included in our product complaint and mdr trend reporting systems.Ongoing analysis of trend information is used to identify the need for additional investigations.
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