Surgical apparatus and instruments; medical apparatus and instruments for use in treating patients with fluid disorders of the vascular, interstitial and lymphatic systems including acute decompensated heart failure, chronic heart failure, edema, lymphedema, ascites, cardiac insufficiency and renal dysfunction; medical devices, namely, balloon catheters, intra-vascular and extravascular pumping devices, devices to promote or stimulate lymph flow, lymphatic outflow depressurization devices, ca...