# K082400: Deionizer and Carbon Exchange Service for Hemodialysis

- Pathway: 510(k) (Traditional)
- Applicant: Culligan Soft Water Service Co.
- Decided: Feb 3, 2009 after 167 days
- Product code: FIP (Subsystem, Water Purification)
- Device class: 2
- Regulation: 21 CFR 876.5665
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 2 generations back to K894300 (1990). 2 ancestors in all.
No later device cites it as a predicate yet.
0 of 3 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K991519: Ameriwater Purification System for Hemodialysis, Ameriwater (2000) Summary page 1.

## Indications for use
The Culligan Soft Water Service Company Deionizer and Carbon Exchange tanks are primary or temporary devices to provide water for hemodialysis applications per the requirements of ANSI/AAMI RD62. These tanks remove chlorine, chloramines, total organic carbons and total dissolved solids from water used to dilute dialysis concentrate to form dialysate, in reprocessing of hemodialyzers, as supply water to the dialysis machines and equipment rinse and disinfection. Upon exhaustion, these tanks will be replaced with other tanks containing newly regenerated resin, or with new resin altogether. These tanks are components of a larger water treatment system employing adequate pre-treatment and post-treatment sections. Culligan's tanks are not to be used alone.

Source page: https://510kreport.com/device/K082400
Methodology: https://510kreport.com/methodology