Patent ID: 8435226

Claim:
A catheter suitable for drainage or infusion of fluids which comprises: an elongated, flexible tube of substantially uniform diameter, defining a lumen, and having a proximal portion, a midportion, and a distal portion in a normally spiroidal configuration; a subcutaneous cuff permanently affixed to the exterior of the flexible tube and at about the midportion thereof; the normally spiroidal distal portion forming a substantially planar coil having a plurality of spaced drain apertures providing fluid communication between exterior of the flexible tube and the lumen, and being substantially centered with respect to the midportion of the flexible tube; the flexible tube defining a first offset of less than 90 degrees relative to the plane of the coil and a second offset of less than 90 degrees relative to a plane substantially parallel to but spaced from the plane of the spiroidal distal portion, said first and second offsets being situated at the mid portion of the flexible tube, spaced apart about six tube outside diameters.