510(k) Report

510(k) · Cleared

Cleared

Wireless TENS/EMS, Bruno, Aela

K220997510(k) TraditionalCleared Sep 1, 2022150-day reviewClass II21 CFR 882.5890

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Zmi Elecronics, Ltd. · NUH Stimulator, Nerve, Transcutaneous, Over-The-Counter

Cleared on Sep 1, 2022 as substantially equivalent to K161453 (Well-Life Healthcare Limited, 2016) and 2 other predicates after a 150-day review. Its family tree reaches back 4 generations to 2013.

Decided
Sep 1, 2022
Review
150 days
Class
Class II
Product code
NUH
Recalls
None
Predicates
3

Its longest line of descent runs back 4 generations to K130802 (2013). 7 ancestors in all. No later device cites it as a predicate yet.

  1. Root · 4 generations backK130802 Otc Electrical Stimulator (MT9001), Otc Tens Device (LT3060)Shenzhen Dongdixin Technology Co., Ltd. · 2013
  2. 3 generations backK151035 PulseReliefPhilips Consumer Lifestyle · 2015
  3. 2 generations backK172079 AvailOmron Healthcare, Inc. · 2017
  4. 1 generation backK183215 Focus TENS Therapy, Model PM710-M/-LOmron Healthcare, Inc. · 2019
  5. This deviceK220997 Wireless TENS/EMS, Bruno, AelaZmi Elecronics, Ltd. · 2022
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−4K130802Otc Electrical Stimulator (MT9001), Otc Tens Device (LT3060)Shenzhen Dongdixin Technology Co., Ltd.2013—
−3K151035PulseReliefPhilips Consumer Lifestyle2015—
−2K172079AvailOmron Healthcare, Inc.2017—
−1K183215Focus TENS Therapy, Model PM710-M/-LOmron Healthcare, Inc.2019—
0 (this device)K220997Wireless TENS/EMS, Bruno, AelaZmi Elecronics, Ltd.2022—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
201610
201710
202010
FIG. 1 — Lineage of K220997, 2013–2022Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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Notable FDA decisions, review times and new Class I recalls. See an issue.

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. #1 K190783 Health Expert Electronic Stimulator (model…score 15.8 · 7 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
Get a 510(k) Report

What was it cleared against? (3)

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.

TypeNumberDeviceApplicantDecidedRecalls
*K161453WELL LIFE Wireless TENS/EMS Stimulator, Models WR-2605/2605A
Summary page 4
…ulator for pain relief Regulatory Class: Class II Product Code: NUH Subsequent Product Code: NGX, NYN 3. Predicate device Primary Predicate 510K Number: K161453 Device Name: Well Life Wireless TENS/EMS Stimulator, Models WR-2605A/2605 Regulation Number: 21 CFR 882.5890 Classificat…
Well-Life Healthcare Limited2016—
*K183215Focus TENS Therapy, Model PM710-M/-L
Summary page 4
…trical nerve stimulator for pain relief Regulatory Class: Class II Product Code: NUH Subsequent Product Code: NGX, NYN Secondary Predicate 510K Number: K183215 Device Name: Focus TENS Therapy, Model PM710-M/-L Regulation Number: 21 CFR 882.5890 Classification Name: Transcutaneous…
Omron Healthcare, Inc.2019—
*K183110LIVIA
Summary page 5
…Page 1 of 16 Regulatory Class: Class II Product Code: NUH Subsequent Product Code: NYN Third Predicate 510K Number: K183110 Trade/Device Name: Livia Regulation Number: 21 CFR 882.5890 Classification Name: Transcutaneous electrical nerve stimula…
Lifecare, Ltd.2020—
†K153224VitalStim (R) Plus Electrotherapy SystemDjo, LLC2016—
†K172876PowerDot PD-01MSmartmissimo Technologies Pte, Ltd.2017—
†K020803Cefar Medical AB Cefar PrimoCefar Medical AB2002—
†K180865ZMI Self-Adhesive ElectrodesZmi Electronics, Ltd.2018—

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 9 years and passes through 4 companies; a new generation was cleared every 2.2 years on median.
  • None of the 7 ancestors has a recall.

How does its category compare?

All NUH devices

NUH Stimulator, Nerve, Transcutaneous, Over-The-Counter: FDA decisions, review times, recalls and adverse event reports over 20 years. 2022, this device’s year, is highlighted.

FDA decisions per year · NUH

15in 2025

2007: 42009: 12010: 32011: 62012: 62013: 102014: 162015: 142016: 132017: 172018: 162019: 192020: 142021: 142022: 202023: 152024: 202025: 152026 (partial year): 5
2007high 20 (2022) · low 0 (2008)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · NUH

119in 2025

2007: 161 days median2010: 148 days median2011: 231 days median2012: 170 days median2013: 189 days median2014: 212 days median2015: 198 days median2016: 145 days median2017: 155 days median2018: 121 days median2019: 213 days median2020: 147 days median2021: 198 days median2022: 103 days median2023: 127 days median2024: 90 days median2025: 119 days median2026 (partial year): 137 days median
2007high 231 (2011) · low 90 (2024)2026

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

2013: 12014: 92015: 112016: 132017: 212018: 182019: 52020: 82021: 72022: 22023: 42024: 72025: 7
2007high 21 (2017) · low 0 (2007)2025

MAUDE reports naming product code NUH, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
2007416100
20080—00
20091—00
2010314800
2011623100
2012617000
20131018901
20141621209
201514198011
201613145013
201717155021
201816121018
20191921305
20201414708
20211419807
20222010302
20231512704
2024209007
20251511907
202651370—

What is it indicated for?

TENS: [RS-18, RS-28, RS-38 models]: For temporary relief of pain associated with sore and aching muscles in the shoulder, waist, back, neck, upper extremities (arm) and lower extremities (leg) due to strain from exercise or normal household work activities. [RS-18, RS-38 models]: For temporary relief of pain associated with dysmenorrhea (menstrual cramps) when used with over-the-counter pain medications. [RS-18, RS-28 models]: It is also intended for…

Read the full statement (109 words)

TENS:

[RS-18, RS-28, RS-38 models]: For temporary relief of pain associated with sore and aching muscles in the shoulder, waist, back, neck, upper extremities (arm) and lower extremities (leg) due to strain from exercise or normal household work activities.

[RS-18, RS-38 models]: For temporary relief of pain associated with dysmenorrhea (menstrual cramps) when used with over-the-counter pain medications.

[RS-18, RS-28 models]: It is also intended for symptomatic relief and management of chronic, intractable pain and relief of pain associated with arthritis.

EMS:

[RS-18, RS-28 models]: To stimulate healthy muscles in order to improve and facilitate muscle performance.

Environments of Use: Clinics, hospital and home environments (over-the-counter)

Patient Population: Adult

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K220997: Wireless TENS/EMS, Bruno, Aela.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K220997

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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