510(k) · Cleared
ClearedFibron-1, Fibron-4, Quikcoag, Fibron
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Vital Scientific N.V. · KQG Instrument, Coagulation
Cleared on Oct 25, 2002 as substantially equivalent to K884863 (Medical Laboratory Automation Systems, Inc., 1989) after a 130-day review. Its family tree reaches back 1 generation to 1989.
- Decided
- Oct 25, 2002
- Review
- 130 days
- Class
- Class II
- Product code
- KQG
- Recalls
- None
- Predicates
- 2
Its longest line of descent runs back 1 generation to K884863 (1989). No later device cites it as a predicate yet.
- Root · 1 generation backK884863 Electra 900C Automatic Coagulation TimerMedical Laboratory Automation Systems, Inc. · 1989
- This deviceK021976 Fibron-1, Fibron-4, Quikcoag, FibronVital Scientific N.V. · 2002
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −1 | K884863 | Electra 900C Automatic Coagulation Timer | Medical Laboratory Automation Systems, Inc. | 1989 | — |
| 0 (this device) | K021976 | Fibron-1, Fibron-4, Quikcoag, Fibron | Vital Scientific N.V. | 2002 | — |
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 KQG? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.
- Candidate predicates for a device like this, rankedin the report
- Recall history across each candidate’s familyin the report
What was it cleared against? (2)
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; numbers the summary cites that cannot be its predicate are marked – and kept off the family tree.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K884863 | Electra 900C Automatic Coagulation TimerSummary page 2…formance of the Prothrombin Time Test (PT) and the Activated Partial Thromboplastin Test (APTT). Substantial Equivalence: The Fibron-1 is comparable to the MLA-9OOC (K884863) and the ACL 100 (K88J 367). The instruments have a similar intended use for in-vitro diagnostic coagulation testing in the clini… | 1989 |
| Kept off the family tree | K883367 | FDA’s K883367 is Calf Serum, Catalog NO. 110-1125 Not matched in our reading of the summary (scans can blur digits), so it is kept off the family tree | 1988 |
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?
- Its one ancestor has no recall.
- 5 other devices also cite its predicate K884863.
How does its category compare?
All KQG devicesKQG Instrument, Coagulation: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · KQG
FDA has decided no KQG device since 2007.
Median 510(k) review, days · KQG
Too few KQG 510(k)s in any year since 2007 to give a median.
Recalls per year · KQG
1in 2010
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · KQG
16in 2010
MAUDE reports naming product code KQG, 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 | 0 | — | 0 | 0 |
| 2008 | 0 | — | 0 | 0 |
| 2009 | 0 | — | 0 | 8 |
| 2010 | 0 | — | 1 | 16 |
| 2011 | 0 | — | 0 | 0 |
| 2012 | 0 | — | 0 | 0 |
| 2013 | 0 | — | 0 | 0 |
| 2014 | 0 | — | 0 | 0 |
| 2015 | 0 | — | 0 | 0 |
| 2016 | 0 | — | 0 | 0 |
| 2017 | 0 | — | 0 | 0 |
| 2018 | 0 | — | 0 | 0 |
| 2019 | 0 | — | 0 | 0 |
| 2020 | 0 | — | 0 | 0 |
| 2021 | 0 | — | 0 | 0 |
| 2022 | 0 | — | 0 | 0 |
| 2023 | 0 | — | 0 | 0 |
| 2024 | 0 | — | 0 | 0 |
| 2025 | 0 | — | 0 | 0 |
| 2026 | 0 | — | 0 | — |
What is it indicated for?
The Fibron-1 is a photo-optical instrument used for the performance of in-vitro diagnostic clotting testing of citrated plasma samples in the clinical laboratory. The Fibrin-1, which uses clot formation as an endpoint, may be used for the performance of the Prothrombin Time Test (PT) and the Activated Partial Thromboplastin Test (APTT).
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K021976 · printed Nov 6, 2026
Cite this page
510(k) Report. “K021976: Fibron-1, Fibron-4, Quikcoag, Fibron.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K021976
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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