510(k) Report

510(k) · Cleared

Cleared

Combo Electrotherapy Device

K192087510(k) TraditionalCleared Nov 1, 201988-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

Shenzhen Roundwhale Technology Co., Ltd. · NUH Stimulator, Nerve, Transcutaneous, Over-The-Counter

Cleared on Nov 1, 2019 after an 88-day review. FDA’s file for it is a 510(k) statement, which names no predicate. 1 later device descends from it.

Decided
Nov 1, 2019
Review
88 days
Class
Class II
Product code
NUH
Recalls
None
Predicates
0

1 later device descends from it, 1 citing it directly.

Descendants, by year cleared 2024: 1 descendant cleared201620182020202220242026
  1. This deviceK192087 Combo Electrotherapy DeviceShenzhen Roundwhale Technology Co., Ltd. · 2019
  2. Descendant · cites it directly · 0 of its ownK231423 Combo Electrotherapy Device (Models: R-C101C, R-C101D, R-C101F…Shenzhen Roundwhale Technology Co., Ltd. · 2024

Most influential descendants

Showing 1 of 1 · See all
  • K231423Combo Electrotherapy Device (Models: R-C101C, R-C101D, R-C101F, R-C101G, F100…Shenzhen Roundwhale Technology Co., Ltd. · 2024 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K192087Combo Electrotherapy DeviceShenzhen Roundwhale Technology Co., Ltd.2019—
+1K231423Combo Electrotherapy Device (Models: R-C101C, R-C101D, R-C101F, R-C101G, F100…Shenzhen Roundwhale Technology Co., Ltd.2024—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202410
FIG. 1 — Lineage of K192087, 2019–2024Source: 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 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 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?

FDA’s file for it is a 510(k) statement, which names no predicate.

What descends from it? (1)

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K231423Combo Electrotherapy Device (Models: R-C101C, R-C101D, R-C101F, R-C101G, F100…Shenzhen Roundwhale Technology Co., Ltd.20240

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?

  • Of its descendants, K231423 (Shenzhen Roundwhale Technology Co., Ltd., 2024) has gone furthest, with 0 descendants of its own.

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. 2019, 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?

Over-The-Counter Use: TENS mode:: It is used for temporary relief of pain associated with sore and aching muscles in the neck, shoulder, back, upper extremities (arm) and lower extremities (leg) due to strain from exercise or normal household work activities. EMS mode: This mode is designed to be used for stimulate healthy muscles in order to improve and facilitate muscle performance. Prescription Use: For TENS mode: 1) Symptomatic relief of chronic…

Read the full statement (124 words)

Over-The-Counter Use:

TENS mode::

It is used for temporary relief of pain associated with sore and aching muscles in the neck, shoulder, back, upper extremities (arm) and lower extremities (leg) due to strain from exercise or normal household work activities.

EMS mode:

This mode is designed to be used for stimulate healthy muscles in order to improve and facilitate muscle performance.

Prescription Use:

For TENS mode:

1) Symptomatic relief of chronic intractable pain;

2) Post traumatic pain; 3) Post surgical pain;

For EMS mode:

1) Relaxation of muscle spasm;

2) Increase of local blood flow circulation;

3) Prevention or retardation of disuse atrophy;

4) Muscle re-education;

5) Maintaining or increasing range of motion;

6) Immediate post-surgical stimulation of calf muscles to prevent venous thrombosis.

Indications for use read by OCR from a scanned FDA 510(k) statement, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K192087: Combo Electrotherapy Device.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K192087

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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