510(k) · Cleared
ClearedBest-AV2 Pro-Sport (tm)
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Avazzia, Inc. · GZJ Stimulator, Nerve, Transcutaneous, For Pain Relief
Cleared on May 23, 2014 as substantially equivalent to K062641 (Avazzia, Inc., 2007) after a 598-day review. Its family tree reaches back 4 generations to 1996.
- Decided
- May 23, 2014
- Review
- 598 days
- Class
- Class II
- Product code
- GZJ
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 4 generations to K951951 (1996). 5 ancestors in all, the oldest K870947 (1987). No later device cites it as a predicate yet.
- Root · 4 generations backK951951 Focus Model 795 UnitEmpi · 1996
- 3 generations backK041575 Fenzian Treatment SystemEumedic Limited · 2004
- 2 generations backK042912 INTERX5000Neuro Resource Group, Inc. · 2005 · Recalled
- 1 generation backK062641 Body-Stim, Biomodulator, Best-Rsi, Best Pro, Model Best-AV1Avazzia, Inc. · 2007 · Recalled
- This deviceK123099 Best-AV2 Pro-Sport (tm)Avazzia, Inc. · 2014
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −4 | K951951 | Focus Model 795 Unit | Empi | 1996 | — |
| −3 | K041575 | Fenzian Treatment System | Eumedic Limited | 2004 | — |
| −2 | K042912 | INTERX5000 | Neuro Resource Group, Inc. | 2005 | 1 |
| −1 | K062641 | Body-Stim, Biomodulator, Best-Rsi, Best Pro, Model Best-AV1 | Avazzia, Inc. | 2007 | 3 |
| 0 (this device) | K123099 | Best-AV2 Pro-Sport (tm) | Avazzia, Inc. | 2014 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1987 | 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? (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 |
|---|---|---|---|
| * | K062641 | Body-Stim, Biomodulator, Best-Rsi, Best Pro, Model Best-AV1Summary page 1…Class II 21 CFR 882.5890 GZJ Information of the 510(k) Cleared Devices (Predicate Device): Bod~StmT, Biomodulato9m, Best-RSYm, Best-Pro 1TM, Moe ET-AlM, (K062641) 4/30/2007, TENS, Class 1121 CER 882.5890 GZJ Intended Use: Pro-SportTM is indicated for: *symptomatic relief and manageme… | 2007 |
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 18 years and passes through 4 companies; a new generation was cleared every 7.1 years on median.
- 2 of the 5 ancestors have a recall of any class.
- 1 other device also cites its predicate K062641.
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. 2014, 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?
symptomatic relief and management of chronic, intractable pain
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/K123099 · printed Nov 4, 2026
Cite this page
510(k) Report. “K123099: Best-AV2 Pro-Sport (tm).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K123099
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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