# K873487: HD-400-a/B/C Hemodialysis Systems & Accessories

- Pathway: 510(k) (Traditional)
- Applicant: Water Pure, Inc.
- Decided: Oct 23, 1987 after 53 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
No predicates in its family tree.
6 later devices descend from it; 1 cites it directly.
0 of 7 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA has not posted a summary or statement for it, so its predicates are not known.

## Most influential descendants
- K945559: Mar Cor Complete Water Treatment System for Kdney Dialysis (1996), 5 descendants of its own
- 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

Source page: https://510kreport.com/device/K873487
Methodology: https://510kreport.com/methodology