The probe exchange catheter

Abstract
In order to provide exchange capability to non‐over‐the ‐wire systems (i.e., Probe), an exchange catheter composed of an inner sheath catheter (.039″ external diameter) and a 4 French outer catheter was devised. The system was utillized to exchange between an over‐ to a non‐over‐the‐wire system, different non‐over‐the‐wire systems, and to provide balloon dilatation backup to the soft non‐over‐the‐wire systems in difficult‐to‐engage vein graft takeoff. The system was sccessful utilized in 50 patients without any related complications.

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