Flexor Check-Flo Introducers and Flexor Tuohy-Borst Side-Arm Introducers are catheters that help insert other medical devices used for therapy or diagnosis into the blood vessels during surgery.

http://www.fda.gov/medical-devices/medical-device-recalls/cook-medical-recalls-flexor-check-flo-introducers-and-flexor-tuohy-borst-side-arm-introducers-due