Report rec'd from the field indicated that a 76 year old female pt with a very toruous vessel (90 degree) was undergoing a percutaneous transluminal coronary angioplasty/stenting procedure within a slight bend on the proximal "svg".
Difficulty was experienced with the stent delivery system during attempts to cross, and the stent dislodged.
A microvena snare was utilized to retrieve the stent without any pt injury or complications.
A lot history review revealed that no other complaints of this nature have been rec'd for the products from this sterile lot number.
Stent retention values measured for this lot during quality control testing were above the acceptable criteria.
Please note that the cordis instructions for use state that the stent can dislodge from the balloon for the following reasons" extremely tortuous vessel anatomy, withdrawing the mounted stent back into the guiding catheter.
The product will not be returned for evaluation and testing.
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