<unk> s come in several types: * Coudé (French for elbowed) catheters have a 45° bend at the tip that facilitates easier passage through an enlarged prostate. * Councill tip catheters have a small hole at the tip so they can be passed over a wire. * Three-way, or triple lumen catheters have a third channel used to infuse sterile saline or another irrigating solution. These are used primarily after surgery on the bladder or prostate, to wash away blood and blood clots.
Foley catheter
Penrose drain
Suprapubic aspiration
Perineal dilator
Urinary catheterization
Suprapubic cystostomy
Ureteric balloon catheter
Macy catheter