510(k) · Cleared
ClearedTetrad Model TC-EC7-Acp, -L5-, -L7-, -V4-Acp Transducers
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Tetrad Corp. · ITX Transducer, Ultrasonic, Diagnostic
Cleared on Dec 3, 2001 as substantially equivalent to K991805 (Acuson Corp., 1999) after a 13-day review. Its family tree reaches back 2 generations to 1994. 1 later device descends from it.
- Decided
- Dec 3, 2001
- Review
- 13 days
- Class
- Class II
- Product code
- ITX
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 2 generations to K934915 (1994). 1 later device descends from it, 1 citing it directly.
- Root · 2 generations backK934915 Acuson Model 2001Acuson Corp. · 1994
- 1 generation backK991805 Aspen Ultrasound with Freestyle Imaging OptionAcuson Corp. · 1999 · Recalled
- This deviceK013849 Tetrad Model TC-EC7-Acp, -L5-, -L7-, -V4-Acp TransducersTetrad Corp. · 2001
- Descendant · cites it directly · 0 of its ownK040213 MHLX7EC TransducerMicrohelix, Inc. · 2004
Most influential descendants
Showing 1 of 1 · See all- K040213MHLX7EC TransducerMicrohelix, Inc. · 2004 · cites it directly0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −2 | K934915 | Acuson Model 2001 | Acuson Corp. | 1994 | — |
| −1 | K991805 | Aspen Ultrasound with Freestyle Imaging Option | Acuson Corp. | 1999 | 1 |
| 0 (this device) | K013849 | Tetrad Model TC-EC7-Acp, -L5-, -L7-, -V4-Acp Transducers | Tetrad Corp. | 2001 | — |
| +1 | K040213 | MHLX7EC Transducer | Microhelix, Inc. | 2004 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2004 | 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 ITX? 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 ITX device
- #1 K260114 Align® Cover and Pad Guidance Toolscore 13.6 · 6 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin 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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K991805 | Aspen Ultrasound with Freestyle Imaging OptionSummary page 1…fication Name: Diagnostic Ultrasound Transducer (21 CFR 892.1570, 90-ITX) 3. PREDICATE DEVICES Acuson Aspen™ Ultrasound System, (including Transducers EC7, L5,17, V4): K991805 4, INTENDED USE The TETRAD Model TC-EC7-ACP, -L5-, -L7-, -V4-ACP Transducers are intended for diagnostic ultrasound imaging or… | 1999 |
What descends from it? (1)
1 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K040213 | MHLX7EC Transducer | 2004 | 0 |
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 7 years and passes through 2 companies; a new generation was cleared every 4.8 years on median.
- 1 of the 2 ancestors has a recall of any class.
- Of its descendants, K040213 (Microhelix, Inc., 2004) has gone furthest, with 0 descendants of its own.
- 5 other devices also cite its predicate K991805.
How does its category compare?
All ITX devicesITX Transducer, Ultrasonic, Diagnostic: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · ITX
4in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · ITX
126in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · ITX
2in 2025
Class I (10 since 2007) Class II/III not classified
Adverse event reports per year · ITX
571in 2025
MAUDE reports naming product code ITX, 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 | 10 | 26 | 0 | 16 |
| 2008 | 12 | 73 | 4 | 39 |
| 2009 | 17 | 28 | 4 | 23 |
| 2010 | 10 | 42 | 4 | 30 |
| 2011 | 10 | 16 | 1 | 34 |
| 2012 | 7 | 25 | 1 | 29 |
| 2013 | 3 | 105 | 0 | 38 |
| 2014 | 4 | 41 | 1 | 43 |
| 2015 | 1 | — | 5 | 183 |
| 2016 | 4 | 151 | 0 | 269 |
| 2017 | 6 | 110 | 1 | 412 |
| 2018 | 2 | — | 15 | 130 |
| 2019 | 1 | — | 0 | 119 |
| 2020 | 3 | 120 | 3 | 116 |
| 2021 | 3 | 139 | 10 (10) | 146 |
| 2022 | 2 | — | 6 | 87 |
| 2023 | 6 | 213 | 1 | 138 |
| 2024 | 3 | 81 | 1 | 988 |
| 2025 | 4 | 126 | 2 | 571 |
| 2026 | 6 | 158 | 0 | — |
What is it indicated for?
Diagnostic ultrasound imaging or fluid flow analysis of the human body as follows:
Diagnostic ultrasound imaging or fluid flow analysis of the human body as follows:
Diagnostic ultrasound imaging or fluid flow analysis of the human body as follows:
Diagnostic ultrasound imaging or fluid flow analysis of the human body as follows:
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/K013849 · printed Nov 5, 2026
Cite this page
510(k) Report. “K013849: Tetrad Model TC-EC7-Acp, -L5-, -L7-, -V4-Acp Transducers.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K013849
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Record history
- FDA decision record loaded May 2, 2026
- Summary read Oct 30, 2026 (extraction version 2d9447fa9ea4)
- Lineage and recalls computed Nov 3, 2026
- Page last updated Nov 3, 2026