510(k) · Cleared
ClearedBiocircuits Ios (in-Office System)
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Biocircuits Corp. · KHO Fluorometer, For Clinical Use
Cleared on Nov 22, 1995 after a 160-day review. The summary cites one number, which could not be confirmed as its predicate (see the table below).
- Decided
- Nov 22, 1995
- Review
- 160 days
- Class
- Class I
- Product code
- KHO
- Recalls
- None
- Predicates
- 1
The summary cites one number, which could not be confirmed as its predicate (see the table below).
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 KHO? 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? (1)
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 |
|---|---|---|---|
| Kept off the family tree | K890908 | FDA’s K890908 is Stratus (R) II Fluorometric Analyzer & Accessories Not matched in our reading of the summary (scans can blur digits), so it is kept off the family tree | 1989 |
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.
How does its category compare?
All KHO devicesKHO Fluorometer, For Clinical Use: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · KHO
1in 2012
2026 to Oct 25, outlined.
Median 510(k) review, days · KHO
Too few KHO 510(k)s in any year since 2007 to give a median.
Recalls per year · KHO
7in 2018
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · KHO
178in 2025
MAUDE reports naming product code KHO, 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 | 5 |
| 2008 | 0 | — | 0 | 1 |
| 2009 | 0 | — | 0 | 24 |
| 2010 | 0 | — | 0 | 49 |
| 2011 | 0 | — | 2 | 29 |
| 2012 | 1 | — | 1 | 68 |
| 2013 | 0 | — | 0 | 53 |
| 2014 | 0 | — | 2 | 65 |
| 2015 | 0 | — | 0 | 30 |
| 2016 | 0 | — | 0 | 35 |
| 2017 | 0 | — | 4 | 152 |
| 2018 | 0 | — | 7 | 2,123 |
| 2019 | 0 | — | 0 | 440 |
| 2020 | 0 | — | 0 | 257 |
| 2021 | 0 | — | 0 | 213 |
| 2022 | 0 | — | 0 | 224 |
| 2023 | 0 | — | 0 | 260 |
| 2024 | 0 | — | 0 | 168 |
| 2025 | 0 | — | 0 | 178 |
| 2026 | 0 | — | 0 | — |
What is it indicated for?
The IOS™ system is intended for use with specific IOS™ test cartridges in clinical laboratories, physicians’ office laboratories, and other alternate sites to perform immunoassay testing close to the point of patient care.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K952719 · printed Nov 6, 2026
Cite this page
510(k) Report. “K952719: Biocircuits Ios (in-Office System).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K952719
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Record history
- FDA decision record loaded May 2, 2026
- Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
- Page last updated Nov 3, 2026