510(k) · Cleared
ClearedVirginia Water Systems' Water Purification System for Hemodialysis
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Virginia Water Systems, Inc. · FIP Subsystem, Water Purification
Cleared on Jan 14, 2000 as substantially equivalent to K931595 (Osmonics, Inc., 1994) and 3 other predicates after a 221-day review. Its family tree reaches back 2 generations to 1987.
- Decided
- Jan 14, 2000
- Review
- 221 days
- Class
- Class II
- Product code
- FIP
- Recalls
- None
- Predicates
- 4
Its longest line of descent runs back 2 generations to K873487 (1987). 7 ancestors in all. No later device cites it as a predicate yet.
- Root · 2 generations backK873487 HD-400-a/B/C Hemodialysis Systems & AccessoriesWater Pure, Inc. · 1987
- 1 generation backK945559 Mar Cor Complete Water Treatment System for Kdney DialysisMar Cor Services, Inc. · 1996
- This deviceK991916 Virginia Water Systems' Water Purification System for HemodialysisVirginia Water Systems, Inc. · 2000
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −2 | K873487 | HD-400-a/B/C Hemodialysis Systems & Accessories | Water Pure, Inc. | 1987 | — |
| −1 | K945559 | Mar Cor Complete Water Treatment System for Kdney Dialysis | Mar Cor Services, Inc. | 1996 | — |
| 0 (this device) | K991916 | Virginia Water Systems' Water Purification System for Hemodialysis | Virginia Water Systems, Inc. | 2000 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1989 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1998 | 2 | 0 |
Sources: FDA 510(k) database (decision fields), the FDA summary (predicates and indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.
Planning a device in FIP? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.
Top candidate predicates for a new FIP device
- #1 K251851 DIASAFEplusUS (F00013010)score 14.1 · 14 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
What was it cleared against? (4)
Devices the submitter claimed this one is substantially equivalent to (*), and reference devices cited for a specific test or feature (†), as written in the FDA summary.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K931595 | Reverse Osmosis Equipment for Water PurificationSummary page 1…ialysis Proprietary Name: Virginia Water Systems' Water Purification for Hemodialysis Claiming Substantial Equivalence To: Osmonics Osmo 23G Series Reverse Osmosis / K931595B MarCor Complete Water Treatment System for Kidney Dialysis / K945559 Gambro Central Water Treatment System CWP100-W / K974899… | 1994 |
| * | K945559 | Mar Cor Complete Water Treatment System for Kdney DialysisSummary page 1…for Hemodialysis Claiming Substantial Equivalence To: Osmonics Osmo 23G Series Reverse Osmosis / K931595B MarCor Complete Water Treatment System for Kidney Dialysis / K945559 Gambro Central Water Treatment System CWP100-W / K974899 Dayton Water Systems Ultrapure Water Treatment System for Hemodialysis… | 1996 |
| * | K974899 | Gambro Central Water Treatment System CWP 100 - Wro HSummary page 1…monics Osmo 23G Series Reverse Osmosis / K931595B MarCor Complete Water Treatment System for Kidney Dialysis / K945559 Gambro Central Water Treatment System CWP100-W / K974899 Dayton Water Systems Ultrapure Water Treatment System for Hemodialysis K981680 Device Description: Virginia Water Systems' Wat… | 1998 |
| * | K981680 | Ultrapure Water Treatment System for HemodialysisSummary page 1…nt System for Kidney Dialysis / K945559 Gambro Central Water Treatment System CWP100-W / K974899 Dayton Water Systems Ultrapure Water Treatment System for Hemodialysis K981680 Device Description: Virginia Water Systems' Water Purification for Hemodialysis is a complete water treatment system used in th… | 1998 |
What descends from it?
No later submission names this one as a predicate yet.
Has anything in its family been recalled? (0 Class I)
No FDA recall names this device.
No ancestor or descendant has a Class I recall.
What does this lineage say?
- The line of descent spans 13 years and passes through 3 companies; a new generation was cleared every 8.6 years on median.
- 1 of the 7 ancestors has a recall of any class.
- 2 other devices also cite its predicate K931595.
How does its category compare?
All FIP devicesFIP Subsystem, Water Purification: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · FIP
4in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · FIP
88in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · FIP
1in 2020
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · FIP
77in 2025
MAUDE reports naming product code FIP, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 1 | — | 0 | 1 |
| 2008 | 3 | 202 | 0 | 5 |
| 2009 | 3 | 167 | 0 | 0 |
| 2010 | 2 | — | 0 | 12 |
| 2011 | 4 | 116 | 0 | 4 |
| 2012 | 2 | — | 0 | 4 |
| 2013 | 4 | 125 | 0 | 41 |
| 2014 | 4 | 126 | 0 | 34 |
| 2015 | 2 | — | 0 | 12 |
| 2016 | 2 | — | 0 | 3 |
| 2017 | 1 | — | 0 | 6 |
| 2018 | 1 | — | 0 | 3 |
| 2019 | 2 | — | 0 | 13 |
| 2020 | 1 | — | 1 | 12 |
| 2021 | 1 | — | 0 | 35 |
| 2022 | 1 | — | 0 | 57 |
| 2023 | 3 | 69 | 0 | 140 |
| 2024 | 1 | — | 0 | 174 |
| 2025 | 4 | 88 | 0 | 77 |
| 2026 | 0 | — | 0 | — |
What is it indicated for?
Virginia Water Systems' Water Purification for Hemodialysis is intended to remove organic, inorganic, and microbial contaminants from water used to make dialysate and reprocess dialyzers as well as rinsing and disinfection of the dialysis equipment. When used as a medical device, Federal law restricts this device to sale by or on the order of a physician.
Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.
https://510kreport.com/device/K991916 · printed Nov 4, 2026
Cite this page
510(k) Report. “K991916: Virginia Water Systems' Water Purification System for Hemodialysis.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K991916
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Record history
- FDA decision record loaded May 2, 2026
- Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
- Lineage and recalls computed Nov 3, 2026
- Page last updated Nov 3, 2026