Catheters & Drains
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 used are:
• Foley (Fig. 8.85)
• Gibbons (Fig. 8.86)
• Malecot (Fig. 8.87)
• DePezzer (Fig. 8.87)
• Tiemann (Fig. 8.87)
• Secured tube drains (Fig. 8.88)
• Corrugated (Fig. 8.89).
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