510(k) · Cleared
ClearedAvl Model 985 Electrolyte Analyzer
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Avl Scientific Corp. · CEM Electrode, Ion Specific, Potassium
Cleared on May 12, 1987 after an 83-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 48 later devices descend from it.
- Decided
- May 12, 1987
- Review
- 83 days
- Class
- Class II
- Product code
- CEM
- Recalls
- None
- Predicates
- 0
48 later devices descend from it, 1 citing it directly.
- This deviceK870657 Avl Model 985 Electrolyte AnalyzerAvl Scientific Corp. · 1987
- Descendant · cites it directly · 47 of its ownK961458 Avl 9180 Electrolyte AnalyzerAvl Scientific Corp. · 1996 · Recalled
- Descendant · 2 generations on · 38 of its ownK972673 Avl 9181 Electrolyte AnalyzerAvl Scientific Corp. · 1997 · Recalled
- Descendant · 3 generations on · 31 of its ownK992859 ABL700 Series Analyzer with Autocheck ModuleRadiometer America, Inc. · 2000 · Recalled
- Descendant · 4 generations on · 29 of its ownK041874 ABL800 FlexRadiometer Medical Aps · 2004 · Recalled
- Descendant · 5 generations on · 18 of its ownK050869 Modification to ABL800 FlexRadiometer Medical Aps · 2005 · Recalled
Showing 5 of 48 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 48 · See all- K961458Avl 9180 Electrolyte AnalyzerAvl Scientific Corp. · 1996 · cites it directly47descendants
- K972673Avl 9181 Electrolyte AnalyzerAvl Scientific Corp. · 1997 · 2 generations on38descendants
- K992859ABL700 Series Analyzer with Autocheck ModuleRadiometer America, Inc. · 2000 · 3 generations on31descendants
- K041874ABL800 FlexRadiometer Medical Aps · 2004 · 4 generations on29descendants
- K050869Modification to ABL800 FlexRadiometer Medical Aps · 2005 · 5 generations on18descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| 0 (this device) | K870657 | Avl Model 985 Electrolyte Analyzer | Avl Scientific Corp. | 1987 | — |
| +1 | K961458 | Avl 9180 Electrolyte Analyzer | Avl Scientific Corp. | 1996 | 1 |
| +2 | K972673 | Avl 9181 Electrolyte Analyzer | Avl Scientific Corp. | 1997 | 7 |
| +3 | K992859 | ABL700 Series Analyzer with Autocheck Module | Radiometer America, Inc. | 2000 | 4 |
| +4 | K041874 | ABL800 Flex | Radiometer Medical Aps | 2004 | 22 |
| +5 | K050869 | Modification to ABL800 Flex | Radiometer Medical Aps | 2005 | 1 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 1 | 0 |
| 2005 | 5 | 0 |
| 2006 | 1 | 0 |
| 2008 | 3 | 0 |
| 2009 | 1 | 0 |
| 2010 | 1 | 0 |
| 2011 | 3 | 0 |
| 2012 | 5 | 0 |
| 2013 | 4 | 0 |
| 2014 | 1 | 0 |
| 2015 | 3 | 0 |
| 2016 | 2 | 0 |
| 2017 | 1 | 0 |
| 2018 | 1 | 0 |
| 2020 | 2 | 0 |
| 2021 | 2 | 0 |
| 2023 | 1 | 0 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
Sources: FDA 510(k) database (decision fields), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.
Planning a device in CEM? 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 CEM device
- #1 K253491 ISE indirect K for Gen.2; ISE indirect Na for…score 11.4 · 3 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
What was it cleared against?
FDA has not posted a summary or statement for it, so its predicates are not known.
What descends from it? (48)
See all 481 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K961458 | Avl 9180 Electrolyte Analyzer | 1996 | 47 |
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?
- Of its descendants, K961458 (Avl Scientific Corp., 1996) has gone furthest, with 47 descendants of its own.
How does its category compare?
All CEM devicesCEM Electrode, Ion Specific, Potassium: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · CEM
1in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · CEM
180in 2012
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · CEM
4in 2025
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · CEM
29in 2025
MAUDE reports naming product code CEM, 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 | 66 |
| 2008 | 0 | — | 1 | 245 |
| 2009 | 1 | — | 0 | 79 |
| 2010 | 3 | 195 | 12 | 113 |
| 2011 | 3 | 74 | 6 | 126 |
| 2012 | 4 | 180 | 0 | 45 |
| 2013 | 0 | — | 0 | 37 |
| 2014 | 0 | — | 0 | 4 |
| 2015 | 0 | — | 0 | 7 |
| 2016 | 0 | — | 1 | 6 |
| 2017 | 0 | — | 0 | 32 |
| 2018 | 0 | — | 0 | 13 |
| 2019 | 0 | — | 1 | 25 |
| 2020 | 1 | — | 3 | 27 |
| 2021 | 0 | — | 1 | 18 |
| 2022 | 0 | — | 0 | 16 |
| 2023 | 2 | — | 2 | 30 |
| 2024 | 0 | — | 0 | 42 |
| 2025 | 1 | — | 4 | 29 |
| 2026 | 1 | — | 0 | — |
https://510kreport.com/device/K870657 · printed Nov 4, 2026
Cite this page
510(k) Report. “K870657: Avl Model 985 Electrolyte Analyzer.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K870657
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Record history
- FDA decision record loaded May 2, 2026
- Lineage and recalls computed Nov 3, 2026
- Page last updated Nov 3, 2026