| http://www.w3.org/ns/prov#value | - A first preferred embodiment of the present invention is a catheter to measure pressure in a fluid-carrying vessel and to occlude the vessel, the catheter comprising: an elongated, flexible, tubular body having a proximal end, a distal end, and a circumference, adapted for partial insertion into a vessel; a vessel occluding balloon sealingly attached to the circumference of the catheter adjacent t
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