Open-Ended Ureteral Catheter
Open-end ureteral catheter · Ureteral catheter · 5 Fr open-ended catheter · Open-ended catheter
A long, thin, flexible catheter that is open at the tip and has marks along its length. It slides over a guidewire, and a syringe connects to its outer end.
On the table
What it does, the lengths it comes in and what experienced techs know about it.
What it’s for
Passed up the ureterYOOR-uh-terOne of the two tubes that carry urine from the kidneys down to the bladder.Full entry through a cystoscope, over a guidewire. Used to inject contrastKON-trastA dye or other substance given before an imaging test so body parts show up more clearly.Full entry for a retrograde pyelogram, to steer or exchange guidewires, and to drain or irrigationeer-ih-GAY-shunWashing out a wound, body cavity, tube or eye with a steady flow of liquid.Full entry . In PCNL a 5 Fr catheter is placed first so the kidney can be filled with contrast for the needle puncture, and it stays in during stone breaking to partly block the ureter.
Lengths and variants
Cook open-end catheters come in 3 to 8 Fr, 70 cm long. 5 or 6 Fr straight catheters are used for retrograde pyelograms; angled-tip catheters help get past blockages.
What experienced techs know
What techs who reach for it every day know about it.Pro
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10 sources
- Hinman. Atlas of Urologic Surgery. 5th ed. Chapter 25 (Percutaneous Nephrolithotomy), p. 219
- Hinman. Atlas of Urologic Surgery. 5th ed. Chapter 25 (Percutaneous Nephrolithotomy), p. 221
- Hinman. Atlas of Urologic Surgery. 5th ed. Chapter 25 (Percutaneous Nephrolithotomy), p. 223-224
- Hinman. Atlas of Urologic Surgery. 5th ed. Chapter 25 (Percutaneous Nephrolithotomy), p. 228
- Hinman. Atlas of Urologic Surgery. 5th ed. Chapter 36 (Ureteroscopic Instrumentation), p. 316
- Hinman. Atlas of Urologic Surgery. 5th ed. Chapter 37A (Ureteroscopic Management of Ureteral Calculi), p. 323
- Hinman. Atlas of Urologic Surgery. 5th ed. Chapter 37B (Ureteroscopic Management of Renal Calculi), p. 327
- 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
- cookmedical.com
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