Two failures: same lot numbers, same case, but different issues.The filter comes loaded in a cartridge.There is a pin in the cartridge that needs to be removed prior to loading into the introducer.The pin was pulled to remove and the filter came out of the cartridge with the pin.New filter opened.No harm to patient.Second filter was opened from the same lot number.The filter was placed in the inferior vena cava (ivc) in the usual manner.The filter remained constrained.This filter is made from nitinol which should react to body temperature and expand to the fullest diameter.This filter failed to expand.New filter from a new lot number was opened and used to complete the procedure.No harm to patient.Manufacturer response for option elite ivc filter, (brand not provided) (per site reporter) product picked up for evaluation.
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