Patent ID: 8287519

Claim:
An indwelling endourethral drainage catheter comprising: a tubular distal portion having a distal end adapted to be situated outside the patient when the drainage catheter is indwelling, said distal portion defining a distal lumen extending along the length thereof; a spiral proximal portion attached to said distal portion, said proximal portion defining a proximal lumen in communication with said distal lumen and further defining a helical outer channel along the length of said spiral proximal portion, said outer channel in fluid communication with said proximal lumen; and an anchor assembly for anchoring the catheter within the urethra, said anchor assembly adapted to be disposed externally of the bladder and urethra, wherein said anchor assembly includes: a shroud configured to be disposed over the opening of the urethra of the patient; and an engagement between said shroud and said distal portion of the catheter arranged to be outside the urethra when the catheter is indwelling, wherein said engagement includes a clamping element encircling said shroud mounted on an outer surface of said distal portion.