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General product information for laboratory, clinic and supply staff. This page describes products and general use; it is not medical advice and does not describe how to place or manage a catheter.
Short answer
A 3 way Foley is a Foley balloon catheter with three channels instead of two: one to drain the bladder, one to inflate the retention balloon, and a third that carries fluid in and out. FDA regulates it as a urological catheter (21 CFR 876.5130, Class II), with no separate “3-way” class, so the way count is a label field you check on the spec sheet and the instructions for use (IFU). The terms 3 way catheter, 3-way catheter, three way catheter and three way Foley catheter all name the same product type.
Definition and scope
21 CFR 876.5130 defines a urological catheter and accessories as “a flexible tubular device that is inserted through the urethra and used to pass fluids to or from the urinary tract.” Its classification paragraph places the device in Class II (performance standards), and lists a short set of accessories (ureteral stylet, stylet for a gastrourological catheter, ureteral catheter adapter and others) as Class I and exempt from premarket notification. The regulation does not count lumens, so “2-way” and “3-way” are manufacturer and catalog terms rather than regulatory categories.
For how lumens are counted and labeled, including the sourced device records, see catheter lumen. For the general device, see what is a Foley catheter. This page does not repeat either; it covers what to verify when a 3-way product appears on a spec sheet.
What the third channel is
The third channel is a separate passage through the catheter for fluid. The Fortune Medical IFU describes its product family as a urinary catheter “to pass fluids to and from the urinary bladder” and lists 2-way and 3-way series together. Which product suits which patient is a clinical decision outside this page; a 3-way is a different product configuration, not an automatic upgrade over a 2-way.
How a 3-way differs from a 2-way on a spec sheet
Way count is only one label field. Two published sources show how it sits next to other fields:
| Label field | What the source shows | Source |
|---|---|---|
| Way count | Listed per catalog series: the 1830 series is 3-way, the 182X and 4833 series are 2-way | Fortune Medical IFU, UM0101 V17 (2021-06-04) |
| Labeled usage duration | Up to 29 days for the 1830 (3-way) and 182X (2-way) series; up to 90 days for the 4833 (2-way) series | Fortune Medical IFU |
| Tip style | 1830 series described as “Open tip”; other series list Tiemann or other tips | Fortune Medical IFU |
| Material | This IFU covers a 100% silicone line; BD lists 3-way families in latex or silicone, with various coatings | Fortune IFU; BD product family page |
| Size range | BD 3-Way Standard and Specialty Foley family: 16-30 Fr | BD product family page |
The point of the table is the pattern, not the numbers: way count, material, tip, size and labeled duration are separate fields, and they vary independently between series from the same maker. Two catalog lines that both say “3-way” are not interchangeable until the other fields match. BD’s family page also directs readers to the “Instructions for Use” packaged with the product for the latest information.
Spec-sheet checklist for a 3-way Foley
Each item below is a field that appears in the sources above. It is a documentation checklist, not a clinical or purchasing recommendation.
- Way count stated on the label and catalog entry. The Fortune IFU covers 2-way and 3-way series in one document, so confirm which series number the product is.
- Material and coating. BD lists latex, red latex, latex with silicone elastomer coating and silicone options in its 3-way family. A latex product carries latex labeling; check it against facility requirements.
- Size in French and the balloon capacity. BD gives a 16-30 Fr range for its 3-way family. For balloon volumes see catheter balloon sizes; for tip styles see whistle tip catheters.
- Single use and sterility. The Fortune IFU states single use only, supplied sterile, and not to be re-sterilized or reused.
- Labeled duration of use. Durations differ by series within one IFU (29 versus 90 days), so record the figure printed for the specific series.
- IFU or electronic IFU on file. Request the current document for the exact catalog number rather than relying on a retailer description.
Securement accessories are a separate item; see catheter strap. For how a Foley compares with a different drainage route, see Foley catheter vs suprapubic catheter.
Common misunderstandings
“3-way” does not mean a different FDA class
21 CFR 876.5130 covers urological catheters as a group and does not distinguish lumen count.
A third channel is not an upgrade
It is a different configuration. Whether it is appropriate for a given patient is a clinician’s decision.
“3-way” in one line does not match “3-way” in another
Material, tip, size and labeled duration vary by series, as the Fortune IFU shows.
FAQ
What is a 3 way Foley catheter?
A Foley balloon catheter with three channels: drainage, balloon inflation and a third channel for fluid. Catalogs also call it a 3-way catheter or three way catheter.
Is a 3-way Foley the same as a three way Foley catheter?
Yes. 3 way Foley, 3-way Foley, three way Foley catheter, 3 way catheter and three way catheter are spelling and wording variants of one product type.
Is a 3-way catheter a different FDA class from a 2-way?
No separate class exists. Urological catheters fall under 21 CFR 876.5130 as Class II.
What size range do 3-way Foley catheters come in?
BD lists 16-30 Fr for its 3-way standard and specialty family. Other makers vary; check the product’s own IFU.
Sources
All sources checked 2026-11-01.
- 21 CFR 876.5130, Urological catheter and accessories: https://www.law.cornell.edu/cfr/text/21/876.5130
- BD, 3-Way Standard and Specialty Foley Catheters product family: https://www.bd.com/en-ca/products-and-solutions/products/product-families/3-way-standard-specialty-foley-catheters
- Fortune Medical Instrument Corp., Silicone 2-way (3-way) Foley Balloon Catheter IFU, UM0101 V17, 2021-06-04: https://res.onemed.com/DK/IU/944764.pdf
