Catheters
The Foley catheter is a plastic two-lumen tube with an inflatable balloon. The balloon is inflated via a small channel.
Suprapubic cystostomy is an alternative way of draining the urinary bladder. The Malecot catheter is well suited for this purpose. It is a rubber or latex tube with two wings at the tip. The de Pezzer catheter is based on a similar principle except that instead of wings, it has a bulbous end which can be straightened and recoils back when the wire introducer is removed.
The catheters in use are :
Foleys
Malecots
DePetzers
Tiemans
Gibbons
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