As reported, the stent of a 7mm x 40mm 135cm precise pro rx self-expanding stent (ses) delivery system was stuck inside of the patient and could not be released.There was no reported injury to the patient.Additional information was requested but was not provided, and the device was not returned as expected.
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After further review of additional information received the following sections have been updated accordingly: complaint conclusion: the stent of a 7mm x 40mm 135cm precise pro rx self-expanding stent (ses) delivery system was stuck inside of the patient and could not be released.Additional information was requested but was not provided.There was no reported injury to the patient.The device was not returned for analysis.A product history record (phr) review of lot 18060263 revealed no anomalies or non-conformances during the manufacturing and inspection processes that can be associated with the reported event.Without the return of the device for analysis the reported ¿stent delivery system (sds)-ses~ withdrawal difficulty - unable to¿ was not confirmed.It is difficult to draw a clinical conclusion between the device and the events based on the information available.However, it is probable to consider that the user¿s interaction with the device during use as well as vessel characteristics (although unknown) may have contributed to the reported event.According to the instructions for use (ifu) ¿preparation of stent delivery system: caution: the stent delivery system is shipped with the tuohy borst valve open.Be careful not to prematurely deploy the stent during preparation.Prep the device in the tray per instructions below.Close the tuohy borst valve prior to removing the device from the tray.¿ additionally, the instructions for use (ifu) states ¿note: if resistance is met during delivery system introduction, the system should be withdrawn and another system should be used.¿ neither the phr review nor the information available suggests a design or manufacturing related cause could be related to the manufacturing process of the unit.Therefore, no corrective or preventive actions will be taken.
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