510(k) · Cleared
ClearedETD Family of Electrotherapy Devices
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Therasigma, LLC · IPF Stimulator, Muscle, Powered
Cleared on Aug 4, 2020 after a 21-day review. FDA’s file for it is a 510(k) statement, which names no predicate.
- Decided
- Aug 4, 2020
- Review
- 21 days
- Class
- Class II
- Product code
- IPF
- Recalls
- None
- Predicates
- 0
FDA’s file for it is a 510(k) statement, which names no predicate.
Sources: FDA 510(k) database (decision fields), the FDA 510(k) statement (indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.
Planning a device in IPF? 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 IPF device
- #1 K241433 EVE Synergy (EVE-20M)score 19.6 · 25 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’s file for it is a 510(k) statement, which names no predicate.
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 IPF devicesIPF Stimulator, Muscle, Powered: FDA decisions, review times, recalls and adverse event reports over 20 years. 2020, this device’s year, is highlighted.
FDA decisions per year · IPF
3in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · IPF
257in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · IPF
1in 2023
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · IPF
8in 2025
MAUDE reports naming product code IPF, 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 | 8 | 143 | 0 | 11 |
| 2008 | 6 | 140 | 1 | 213 |
| 2009 | 7 | 216 | 0 | 150 |
| 2010 | 4 | 121 | 0 | 14 |
| 2011 | 4 | 275 | 1 | 25 |
| 2012 | 4 | 269 | 3 | 16 |
| 2013 | 10 | 180 | 0 | 6 |
| 2014 | 4 | 264 | 0 | 19 |
| 2015 | 3 | 43 | 0 | 11 |
| 2016 | 7 | 113 | 0 | 8 |
| 2017 | 5 | 110 | 0 | 2 |
| 2018 | 5 | 73 | 0 | 3 |
| 2019 | 4 | 133 | 0 | 10 |
| 2020 | 9 | 121 | 0 | 13 |
| 2021 | 15 | 98 | 0 | 3 |
| 2022 | 7 | 108 | 0 | 4 |
| 2023 | 9 | 255 | 1 | 8 |
| 2024 | 7 | 201 | 0 | 5 |
| 2025 | 3 | 257 | 0 | 8 |
| 2026 | 3 | 206 | 0 | — |
What is it indicated for?
ETD100 TENS Device TENS Mode: Transcutaneous Electrical Nerve Stimulation for Pain Relief: Symptomatic relief and management of chronic pain and/or as an adjunctive treatment for the management of post-surgical and post-traumatic pain. ETD200 NMES Device NMES Mode: Neuromuscular Electrical Stimulation: Relaxation of muscle spasm, increasing local blood circulation, maintaining and increasing range of motion, preventing or retarding muscle disuse atrophy…
Read the full statement (407 words)
ETD100 TENS Device
TENS Mode: Transcutaneous Electrical Nerve Stimulation for Pain Relief: Symptomatic relief and management of chronic pain and/or as an adjunctive treatment for the management of post-surgical and post-traumatic pain.
ETD200 NMES Device
NMES Mode: Neuromuscular Electrical Stimulation: Relaxation of muscle spasm, increasing local blood circulation, maintaining and increasing range of motion, preventing or retarding muscle disuse atrophy, muscle reeducation, and immediate post-surgical stimulation of calf muscles to prevent venous thrombosis.
ETD300 TENS and NMES Combination Device
TENS Mode: Transcutaneous Electrical Nerve Stimulation for Pain Relief: Symptomatic relief and management of chronic pain and/or as an adjunctive treatment for the management of post-surgical and post-traumatic pain.
NMES Mode: Neuromuscular Electrical Stimulation: Relaxation of muscle spasm, increasing local blood circulation, maintaining and increasing range of motion, preventing or retarding muscle disuse atrophy, muscle reeducation, and immediate post-surgical stimulation of calf muscles to prevent venous thrombosis.
ETD400 IFCS Device (IFCS = Interferential Current Stimulation)
IFCS Mode: Interferential Current Stimulation: Symptomatic relief and management of chronic pain and/or as an adjunctive treatment for the management of post-surgical and post-traumatic pain.
ETD500 TENS and IFCS Combination Device
TENS Mode:Transcutaneous Electrical Nerve Stimulation for Pain Relief: Symptomatic relief and management of chronic pain and/or as an adjunctive treatment for the management of post-surgical and post-traumatic pain.
IFCS Mode: Interferential Current Simulation: Symptomatic relief and management of chronic pain and/or as an adjunctive treatment for the management of post-surgical and post-traumatic pain.
ETD600 NMES and IFCS Combination Device
NMES Mode: Neuromuscular Electrical Stimulation: Relaxation of muscle spasm, increasing local blood circulation, maintaining and increasing range of motion, preventing or retarding muscle disuse atrophy, muscle reeducation, and immediate post-surgical stimulation of calf muscles to prevent venous thrombosis.
IFCS Mode: Interferential Current Simulation: Symptomatic relief and management of chronic pain and/or as an adjunctive treatment for the management of post-surgical and post-traumatic pain.
ETD700 TENS and NMES and IFCS Combination Device
TENS Mode: Transcutaneous Electrical Nerve Stimulation for Pain Relief. Symptomatic relief and management of chronic pain and/or as an adjunctive treatment for the management of post-surgical and post-traumatic pain.
NMES Mode: Neuromuscular Electrical Stimulation. Relaxation of muscle spasm, increasing local blood circulation, maintaining and increasing range of motion, preventing or retarding muscle disuse atrophy, muscle reeducation, and immediate post-surgical stimulation of calf muscles to prevent venous thrombosis.
IFCS Mode: Interferential Current Simulation. Symptomatic relief and management of chronic pain and/or as an adjunctive treatment for the management of post-surgical and post-traumatic pain.
Indications for use read by OCR from a scanned FDA 510(k) statement, so letters may be misread. Check the PDF before quoting it.
https://510kreport.com/device/K201958 · printed Nov 6, 2026
Cite this page
510(k) Report. “K201958: ETD Family of Electrotherapy Devices.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K201958
Report an extraction error
Are you the manufacturer?
Record history
- FDA decision record loaded May 2, 2026
- Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
- Page last updated Nov 3, 2026