- Size: The “14 French” (or 14 Fr, CH14, 14 FG) refers to the catheter’s outer diameter, which is approximately 4.7 mm. In the standardized color-coding system, a 14 Fr catheter is typically indicated by a green connector port.
- Structure: It typically has two separate internal channels, or lumens:
- Drainage Lumen: A large channel for urine to flow from the bladder into a collection bag.
- Inflation Lumen: A smaller channel connected to a balloon near the tip. Sterile water is injected through this port to inflate the balloon, which anchors the catheter securely within the bladder and prevents accidental dislodgment.
Uses
The 14 Fr Foley catheter is a standard adult size used in a variety of medical situations:
- Urinary Retention: To provide relief for patients who are unable to empty their bladder due to obstructions (e.g., enlarged prostate), nerve damage, or other conditions.
- Postoperative Care: Used during and after surgery (e.g., prostate or genital surgery, hysterectomy) to keep the bladder empty and monitor fluid balance accurately during recovery.




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