3 Way Catheter

A 14 to 16 French is used on most adults. Larger catheters of 22 French are recommended for patients with hematuria or clots. Pediatric French sizes range from 3 to 14. A catheter that is too big can lead to urethral irritation and difficult placement. A catheter that is too small can lead to kinking and urinary leakage. Below are
The French scale or French gauge system is commonly used to measure the size of a catheter. It is most often abbreviated as Fr, but can often be seen abbreviated as Fg, FR or F. It may also be abbreviated as CH or Ch (for Charrière, its inventor). However, simply gauge, G or GA generally refers to Birmingham gauge.
Maximize safety and comfort with our 100% silicone Foley catheters; Completely inert for less tissue irritation and encrustation during extended periods of indwelling use; Easy insertion and less buckling with the bullet-shaped tip; Larger inner lumen for better drainage; Clear for easy visualization of clots, mucous and urine …
For difficult insertions, coude-tip Foley catheters feature a bent tip that maneuvers around obstructions leading to the bladder; Large oval-shaped eye for maximum drainage; Smooth reinforced tip resists buckling; Completely inert material causes less tissue irritation and encrustation during extended periods of indwelling .
The foley sizes (French units) are the diameter of the foley in millimeters times 3, so to calculate the diameter, just divide by 3. Hence a size 15 foley is actually 5 mm in diameter. The commonest sizes placed in adults who have not been catheterized before are 14 and 16; an 18 may be placed if the smaller sizes are leaking.

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