510(k) · Cleared
ClearedCWAS 1000
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Fasstech · IKN Electromyograph, Diagnostic
Cleared on Nov 28, 2003 as substantially equivalent to K023209 (Fasstech, 2003) and 2 other predicates after a 29-day review. Its family tree reaches back 3 generations to 1998.
- Decided
- Nov 28, 2003
- Review
- 29 days
- Class
- Class II
- Product code
- IKN
- Recalls
- None
- Predicates
- 3
Its longest line of descent runs back 3 generations to K971407 (1998). 7 ancestors in all, the oldest K914920 (1992). No later device cites it as a predicate yet.
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −3 | K971407 | Jtech Commander and Algometer | J-Tech Medical, Inc. | 1998 | — |
| −2 | K011964 | Insight Millennium Plus | Fasstech | 2001 | — |
| −1 | K023209 | Insight Millennium Iii | Fasstech | 2003 | — |
| 0 (this device) | K033452 | CWAS 1000 | Fasstech | 2003 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 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 IKN? 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? (3)
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 |
|---|---|---|---|
| * | K023209 | Insight Millennium Iii | 2003 |
| * | K914920 | Biofeedback System/3Summary page 2…0(k) Number Insight Millennium I11 Fasstech KO23209 Biofeedback S y s t e d 3 Davicon K9 14920 Futrex 6100/XL Futrex, Inc. K96327 1 The CWAS 100 is equivalent to these legally… | 1992 |
| * | K963271 | Futrex-6100/XLSummary page 2…KO23209 Biofeedback S y s t e d 3 Davicon K9 14920 Futrex 6100/XL Futrex, Inc. K96327 1 The CWAS 100 is equivalent to these legally marketed devices in the following ways: The physical characteristics and electr… | 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 5 years and passes through 2 companies; a new generation was cleared every 2.1 years on median.
- None of the 7 ancestors has a recall.
- 2 other devices also cite its predicate K023209.
How does its category compare?
All IKN devicesIKN Electromyograph, Diagnostic: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · IKN
3in 2017
2026 to Oct 25, outlined.
Median 510(k) review, days · IKN
188in 2017
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · IKN
1in 2010
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · IKN
3in 2025
MAUDE reports naming product code IKN, 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 | 0 |
| 2008 | 1 | — | 0 | 0 |
| 2009 | 1 | — | 0 | 2 |
| 2010 | 0 | — | 1 | 1 |
| 2011 | 2 | — | 0 | 4 |
| 2012 | 1 | — | 0 | 4 |
| 2013 | 2 | — | 0 | 24 |
| 2014 | 1 | — | 0 | 3 |
| 2015 | 1 | — | 0 | 13 |
| 2016 | 0 | — | 0 | 11 |
| 2017 | 3 | 188 | 0 | 2 |
| 2018 | 0 | — | 0 | 5 |
| 2019 | 0 | — | 0 | 6 |
| 2020 | 0 | — | 0 | 1 |
| 2021 | 0 | — | 0 | 2 |
| 2022 | 0 | — | 0 | 2 |
| 2023 | 0 | — | 0 | 0 |
| 2024 | 0 | — | 0 | 1 |
| 2025 | 0 | — | 0 | 3 |
| 2026 | 0 | — | 0 | — |
What is it indicated for?
The CWAS 100 is a non-invasive, multi-modality physiologic monitoring device. The device measures several physiologic signals, and its software generates a report.
The CWAS 100 measures the following physiologic signals:
Bilateral differences in surface EMG along the spine
Heart Rate
Skin temperature
Galvanic Skin Resistance
Body fat percentage in subjects eighteen years and older
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K033452 · printed Nov 6, 2026
Cite this page
510(k) Report. “K033452: CWAS 1000.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K033452
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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