510(k) · Cleared
ClearedNeurocalm Model 1 and 2
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Neuromed Devices, Inc. · GZJ Stimulator, Nerve, Transcutaneous, For Pain Relief
Cleared on Oct 21, 2009 as substantially equivalent to K072123 (Biowave Corporation, 2008) and 1 other predicate after a 204-day review. Its family tree reaches back 6 generations to 1988.
- Decided
- Oct 21, 2009
- Review
- 204 days
- Class
- Class II
- Product code
- GZJ
- Recalls
- None
- Predicates
- 2
Its longest line of descent runs back 6 generations to K881114 (1988). 24 ancestors in all. No later device cites it as a predicate yet.
- Root · 6 generations backK881114 Empi Model 989, TensEmpi · 1988
- 5 generations backK970203 Epix VTEmpi · 1997
- 4 generations backK011702 Vertis PNT Control Unit, Vertis PNT Safeguide Kids, Models CU100…Vertis Neuroscience, Inc. · 2001
- 3 generations backK022241 Vertis PNT Control Unit, Model CU 100; Vertis PNT…Vertis Neuroscience, Inc. · 2002
- 2 generations backK061166 Deepwave Percutaneous Neuromodulation Pain Therapy SystemBiowave Corporation · 2006
- 1 generation backK072123 Homewave Neuromodulations Pain Therapy DeviceBiowave Corporation · 2008
- This deviceK090866 Neurocalm Model 1 and 2Neuromed Devices, Inc. · 2009
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −6 | K881114 | Empi Model 989, Tens | Empi | 1988 | — |
| −5 | K970203 | Epix VT | Empi | 1997 | — |
| −4 | K011702 | Vertis PNT Control Unit, Vertis PNT Safeguide Kids, Models CU100, Sgxxx | Vertis Neuroscience, Inc. | 2001 | — |
| −3 | K022241 | Vertis PNT Control Unit, Model CU 100; Vertis PNT Safeguide-Cervical, Model SG… | Vertis Neuroscience, Inc. | 2002 | — |
| −2 | K061166 | Deepwave Percutaneous Neuromodulation Pain Therapy System | Biowave Corporation | 2006 | — |
| −1 | K072123 | Homewave Neuromodulations Pain Therapy Device | Biowave Corporation | 2008 | — |
| 0 (this device) | K090866 | Neurocalm Model 1 and 2 | Neuromed Devices, Inc. | 2009 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2005 | 1 | 0 |
| 2006 | 1 | 0 |
| 2008 | 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 GZJ? 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 GZJ device
- #1 K252767 actiTENS miniscore 13.1 · 9 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin 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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K072123 | Homewave Neuromodulations Pain Therapy DeviceSummary page 1…Relief 3. Predicate Devices: 1) Biowave Corporation's, "Homewave Neuromodulation Pain Therapy Device" PMN # K072123, 2) AEMED, Inc. "StimPadTm TENS System" #K071120 4. Intended Use * Symptomatic relief and management of chron… | 2008 |
| * | K071120 | Aemed Stimpad Acu-Tens Transcutaneous Electrical Nerve Stimulator, Model 021999Summary page 1…icate Devices: 1) Biowave Corporation's, "Homewave Neuromodulation Pain Therapy Device" PMN # K072123, 2) AEMED, Inc. "StimPadTm TENS System" #K071120 4. Intended Use * Symptomatic relief and management of chronic, intractable pain · Management of post-surgical… | 2008 |
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 21 years and passes through 4 companies; a new generation was cleared every 3.9 years on median.
- None of the 24 ancestors has a recall.
- 1 other device also cites its predicate K072123.
How does its category compare?
All GZJ devicesGZJ Stimulator, Nerve, Transcutaneous, For Pain Relief: FDA decisions, review times, recalls and adverse event reports over 20 years. 2009, this device’s year, is highlighted.
FDA decisions per year · GZJ
1in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · GZJ
207in 2024
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · GZJ
1in 2011
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · GZJ
13in 2025
MAUDE reports naming product code GZJ, 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 | 13 | 223 | 4 | 4 |
| 2008 | 11 | 136 | 1 | 45 |
| 2009 | 16 | 155 | 0 | 17 |
| 2010 | 5 | 232 | 0 | 22 |
| 2011 | 5 | 168 | 1 | 22 |
| 2012 | 12 | 154 | 0 | 20 |
| 2013 | 2 | — | 0 | 10 |
| 2014 | 4 | 344 | 0 | 23 |
| 2015 | 3 | 202 | 0 | 18 |
| 2016 | 3 | 163 | 0 | 32 |
| 2017 | 3 | 113 | 0 | 58 |
| 2018 | 2 | — | 0 | 21 |
| 2019 | 3 | 156 | 0 | 7 |
| 2020 | 4 | 183 | 0 | 10 |
| 2021 | 3 | 231 | 0 | 5 |
| 2022 | 4 | 175 | 0 | 4 |
| 2023 | 1 | — | 0 | 39 |
| 2024 | 3 | 207 | 0 | 12 |
| 2025 | 1 | — | 0 | 13 |
| 2026 | 2 | — | 0 | — |
What is it indicated for?
The NeuroCalm Transcutaneous Electrical Nerve Stimulator Device is indicated for symptomatic relief and management of chronic, intractable pain, and adjunctive treatment in the management of post-surgical and post-traumatic pain.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K090866 · printed Nov 4, 2026
Cite this page
510(k) Report. “K090866: Neurocalm Model 1 and 2.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K090866
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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