# K945559: Mar Cor Complete Water Treatment System for Kdney Dialysis

- Pathway: 510(k) (Traditional)
- Applicant: Mar Cor Services, Inc.
- Decided: May 28, 1996 after 565 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: 1 generation back to K873487 (1987). 2 ancestors in all.
5 later devices descend from it; 4 cite it directly.
0 of 8 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K873487: HD-400-a/B/C Hemodialysis Systems & Accessories, Water Pure, Inc. (1987) Summary page 1.
- K894106: Drake Willock Reverse Osmosis Water Treatment Syst, Cd Medical, Inc. (1989) Summary page 1.

## Most influential descendants
- K994292: Water Purification System (2001), 1 descendant of its own
- K042089: NX Stage Water Purification System (2004), 0 descendants of its own
- K994279: Pure Water-CDS (Central Dialysis Solution) (2000), 0 descendants of its own
- K991916: Virginia Water Systems' Water Purification System for Hemodialysis (2000), 0 descendants of its own
- K983512: Water Treatment System for Hemodialysis (1999), 0 descendants of its own

Source page: https://510kreport.com/device/K945559
Methodology: https://510kreport.com/methodology