510(k) · Cleared
ClearedHeating Tens, FT-615
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Hivox Biotek, Inc. · NUH Stimulator, Nerve, Transcutaneous, Over-The-Counter
Cleared on Oct 5, 2023 as substantially equivalent to K211403 (Hivox Biotek, Inc., 2021) after a 34-day review. Its family tree reaches back 7 generations to 1991.
- Decided
- Oct 5, 2023
- Review
- 34 days
- Class
- Class II
- Product code
- NUH
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 7 generations to K912178 (1991). 16 ancestors in all, the oldest K880042 (1988). No later device cites it as a predicate yet.
- Root · 7 generations backK912178 Bio Tens 601, 606 and 608 (3000)Skylark Device Co., Ltd. · 1991
- 6 generations backK972244 NT2000Bio-Medical Research, Ltd. · 1998
- 5 generations backK990787 TRIO 300Ito Co., Ltd. · 1999
- 4 generations backK023231 Elfcare Device, Models 314A Through 314GMediseb, Ltd. · 2003
- 3 generations backK070299 Ezfit Digital Heating Tens (Model NO.: HR-661/UC-101)Ezfit Technology, Inc. · 2007
- 2 generations backK162517 Electronic Pulse Stimulator Model: PL-029K12 and PL-029K13Jkh Health Co., Ltd. · 2017
- 1 generation backK211403 HIVOX OTC Electrical Stimulator, FT610-BHivox Biotek, Inc. · 2021
- This deviceK232675 Heating Tens, FT-615Hivox Biotek, Inc. · 2023
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −7 | K912178 | Bio Tens 601, 606 and 608 (3000) | Skylark Device Co., Ltd. | 1991 | — |
| −6 | K972244 | NT2000 | Bio-Medical Research, Ltd. | 1998 | — |
| −5 | K990787 | TRIO 300 | Ito Co., Ltd. | 1999 | — |
| −4 | K023231 | Elfcare Device, Models 314A Through 314G | Mediseb, Ltd. | 2003 | — |
| −3 | K070299 | Ezfit Digital Heating Tens (Model NO.: HR-661/UC-101) | Ezfit Technology, Inc. | 2007 | — |
| −2 | K162517 | Electronic Pulse Stimulator Model: PL-029K12 and PL-029K13 | Jkh Health Co., Ltd. | 2017 | — |
| −1 | K211403 | HIVOX OTC Electrical Stimulator, FT610-B | Hivox Biotek, Inc. | 2021 | — |
| 0 (this device) | K232675 | Heating Tens, FT-615 | Hivox Biotek, Inc. | 2023 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1988 | 1 | 0 |
| 1991 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2005 | 1 | 0 |
| 2016 | 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 NUH? 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 NUH device
- #1 K190783 Health Expert Electronic Stimulator (model…score 15.8 · 7 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 |
|---|---|---|---|
| * | K211403 | HIVOX OTC Electrical Stimulator, FT610-BSummary page 4…w panel: Neurology Device class: II 5. Identification of the Predicate Device 510(k) number: K211403 Proprietary/Trade name: HIVOX OTC Electrical Stimulator Models: FT610-B Class… | 2021 |
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 32 years and passes through 7 companies; a new generation was cleared every 4.3 years on median.
- None of the 16 ancestors has a recall.
- 2 other devices also cite its predicate K211403.
How does its category compare?
All NUH devicesNUH Stimulator, Nerve, Transcutaneous, Over-The-Counter: FDA decisions, review times, recalls and adverse event reports over 20 years. 2023, this device’s year, is highlighted.
FDA decisions per year · NUH
15in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · NUH
119in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · NUH
No recall names NUH since 2007.
Adverse event reports per year · NUH
7in 2025
MAUDE reports naming product code NUH, 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 | 4 | 161 | 0 | 0 |
| 2008 | 0 | — | 0 | 0 |
| 2009 | 1 | — | 0 | 0 |
| 2010 | 3 | 148 | 0 | 0 |
| 2011 | 6 | 231 | 0 | 0 |
| 2012 | 6 | 170 | 0 | 0 |
| 2013 | 10 | 189 | 0 | 1 |
| 2014 | 16 | 212 | 0 | 9 |
| 2015 | 14 | 198 | 0 | 11 |
| 2016 | 13 | 145 | 0 | 13 |
| 2017 | 17 | 155 | 0 | 21 |
| 2018 | 16 | 121 | 0 | 18 |
| 2019 | 19 | 213 | 0 | 5 |
| 2020 | 14 | 147 | 0 | 8 |
| 2021 | 14 | 198 | 0 | 7 |
| 2022 | 20 | 103 | 0 | 2 |
| 2023 | 15 | 127 | 0 | 4 |
| 2024 | 20 | 90 | 0 | 7 |
| 2025 | 15 | 119 | 0 | 7 |
| 2026 | 5 | 137 | 0 | — |
What is it indicated for?
The FT-615 is designed for symptomatic relief and management of chronic pain, and for temporary relief of pain associated with sore and aching muscles in the shoulder, waist, back, neck, upper extremities and lower extremities due to strain from exercise or normal household work activities. It is also indicated for temporary relief of pain associated with dysmenorrhea (menstrual cramps) when used with over-the-counter pain medication. In addition, it also provides a heat function intended to temporarily relief of minor aches and pains.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K232675 · printed Nov 6, 2026
Cite this page
510(k) Report. “K232675: Heating Tens, FT-615.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K232675
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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