[21] Fibrin begins to build up on the catheter soon after insertion, sometimes developing into a sheath that may completely encase the catheter. In this case, infusions still may be possible ...

Flow Medical is developing a thrombolysis catheter that delivers TPA through hollow nitinol tubes to treat pulmonary embolism ...

A nick is made in the skin beside the guide wire, and an introducer sheath with dilator is inserted over the guide wire. The guide wire and dilator are removed, and the catheter is advanced ...