Abstract: A multiple lumen catheter (110,150) having at least first and second lumens (112,114; 152,154). At least one of the first and second lumens (112,152) is generally C-shaped in cross-section, with a septum wall (120,160) dividing the first and second lumens providing a generally straight side to the C-shaped cross-section. A stylet or guide wire (130) may be disposed along the C-shaped cross-section lumen (112,152,154) having a larger diameter than one used with catheters of the same outer diameter but that have lumens of only D-shaped or circular shaped cross-sections.

Abstract: A method of structuring a machine to heat a dialysis fluid includes: (i) allowing flow of the dialysis fluid through a disposable fluid conduit; (ii) directing energy from a 2-dimensional energy source to apply energy to the dialysis fluid in the disposable fluid conduit; and (iii) directing energy from a 3-dimensional energy source to apply energy to the dialysis fluid in the disposable fluid conduit.

Abstract: Implantable fluid delivery systems and implantable electrodes are provided. The fluid delivery systems may include an implantable fluid source, a first catheter in fluid communication with the implantable fluid source, and an implantable micro-valve in fluid communication with the first catheter. The electrodes include a front end and back end for ease of implantation. One or more of the electrodes may be combined with a fluid delivery system to provide fluid to the body of a subject.

Abstract: Elongated medical devices are disclosed adapted to be inserted through an access pathway into a body vessel, organ or cavity to locate a therapeutic or diagnostic distal segment of the elongated medical device into alignment with an anatomic feature of interest. Multi-lumen steerable catheters having a deflection lumen liner and a delivery lumen liner are adapted to be deflected by a deflection mechanism within or advanced through the deflection lumen liner to enable advancement of the catheter distal end through a tortuous pathway. At least one lumen liner is formed of a no yield elastomer.