Nephrostomy Tube
Nephrostomy catheter · Malecot catheter · Malecot nephrostomy catheter · Pezzer catheter · Loop nephrostomy catheter · Percutaneous Malecot · Re-Entry Malecot
A soft drainage catheter that is left in the kidney through the PCNL tract and comes out through the skin of the back. Common types are the Malecot (winged tip), the Pezzer (mushroom tip) and the loop catheter. It comes with a stylet to straighten the tip for placement and connects to a drainage bag.
On the table
What it does, the lengths it comes in and what experienced techs know about it.
What it’s for
Placed at the end of PCNL over the Amplatz guidewire; the wire and sheathSHEETHA covering that wraps around a structure; in procedures, a short hollow tube left in a blood vessel to pass catheters through.Full entry are then removed and the tube is stitched to the skin. It drains the kidney and keeps a path in for a second-look procedure. Afterward it can be capped, or opened to drainage if the patient gets flank pain.
Lengths and variants
Alexander's mentions 22 or 24 Fr nephrostomy tubes. Some Malecot nephrostomy catheters have a long thin tail that runs down the ureterYOOR-uh-terOne of the two tubes that carry urine from the kidneys down to the bladder.Full entry (Boston Scientific Re-Entry Malecot; Cook Malecot catheter/stentstentA small tube, often of metal mesh, placed inside a vessel or duct to hold it open.Full entry , 18 to 24 Fr with a 7 Fr tail).
What experienced techs know
What techs who reach for it every day know about it.Pro
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9 sources
- Fuller JK. Surgical Technology: Principles and Practice. 8th ed. Chapter 24 (Genitourinary Surgery), p. 594
- Fuller JK. Surgical Technology: Principles and Practice. 8th ed. Chapter 24 (Genitourinary Surgery), p. 602
- Fuller JK. Surgical Technology: Principles and Practice. 8th ed. Chapter 24 (Genitourinary Surgery), p. 604
- Goldman MA. Pocket Guide to the Operating Room. 3rd ed. Chapter 19 (Genitourinary Surgery), p. 421
- Rothrock JC. Alexander's Care of the Patient in Surgery. 17th ed. Chapter 15 (Genitourinary Surgery), p. 516
- Hinman. Atlas of Urologic Surgery. 5th ed. Chapter 36 (Ureteroscopic Instrumentation), p. 320-321
- Hinman. Atlas of Urologic Surgery. 5th ed. Chapter 25 (Percutaneous Nephrolithotomy), p. 230-231
- bostonscientific.com
- cookmedical.com
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