510(k) Report

510(k) · Cleared

Cleared

Wireless Pain Relieve Device

K180331510(k) TraditionalCleared Jun 22, 2018136-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 Dongdixin Technology Co., Ltd. · NUH Stimulator, Nerve, Transcutaneous, Over-The-Counter

Cleared on Jun 22, 2018 as substantially equivalent to K173462 (Shenzhen Dongdixin Technology Co., Ltd., 2017) after a 136-day review. Its family tree reaches back 7 generations to 1988.

Decided
Jun 22, 2018
Review
136 days
Class
Class II
Product code
NUH
Recalls
None
Predicates
1

Its longest line of descent runs back 7 generations to K881114 (1988). 18 ancestors in all. No later device cites it as a predicate yet.

Other ancestors, by year cleared 2015: 1 other ancestor2009: 1 other ancestor2013: 1 other ancestor2007: 2 other ancestors2002: 1 other ancestor1994: 1 other ancestor2005: 1 other ancestor2004: 1 other ancestor1998: 1 other ancestor1996: 1 other ancestorK881114 · Empi Model 989, Tens · Empi · 1988K970203 · Epix VT · Empi · 1997K061650 · Select Tens, Model 4600S · Empi · 2007K113037 · Pain-Aid · Pdi Works, LLC · 2012K131159 · Smartrelief · Chattem, Inc. · 2013K162479 · Smart Pain Reliever, Model LT5019 · Shenzhen Dongdixin Technology Co., Ltd. · 2017K173462 · Wireless Pain Relieve Device Model: LT5018C · Shenzhen Dongdixin Technology Co., Ltd. · 201719851990199520002005201020152020
  1. Root · 7 generations backK881114 Empi Model 989, TensEmpi · 1988
  2. 6 generations backK970203 Epix VTEmpi · 1997
  3. 5 generations backK061650 Select Tens, Model 4600SEmpi · 2007
  4. 4 generations backK113037 Pain-AidPdi Works, LLC · 2012
  5. 3 generations backK131159 SmartreliefChattem, Inc. · 2013
  6. 2 generations backK162479 Smart Pain Reliever, Model LT5019Shenzhen Dongdixin Technology Co., Ltd. · 2017
  7. 1 generation backK173462 Wireless Pain Relieve Device Model: LT5018CShenzhen Dongdixin Technology Co., Ltd. · 2017
  8. This deviceK180331 Wireless Pain Relieve DeviceShenzhen Dongdixin Technology Co., Ltd. · 2018
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−7K881114Empi Model 989, TensEmpi1988—
−6K970203Epix VTEmpi1997—
−5K061650Select Tens, Model 4600SEmpi2007—
−4K113037Pain-AidPdi Works, LLC2012—
−3K131159SmartreliefChattem, Inc.2013—
−2K162479Smart Pain Reliever, Model LT5019Shenzhen Dongdixin Technology Co., Ltd.2017—
−1K173462Wireless Pain Relieve Device Model: LT5018CShenzhen Dongdixin Technology Co., Ltd.2017—
0 (this device)K180331Wireless Pain Relieve DeviceShenzhen Dongdixin Technology Co., Ltd.2018—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199410
199610
199810
200210
200410
200510
200720
200910
201310
201510
FIG. 1 — Lineage of K180331, 1988–2018Source: 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
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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.

TypeNumberDeviceApplicantDecidedRecalls
*K173462Wireless Pain Relieve Device Model: LT5018C
Summary page 5
…Device Class: II 2. Predicate Device: Legally Marketed Device: Wireless Pain Relieve Device LT5018C 510(k) Number: K173462 Manufacturer: Shenzhen Dondixin Technology Co., Ltd. 3. Description of Proposed Device: LT5011C is…
Shenzhen Dongdixin Technology Co., Ltd.2017—

Also cleared against K173462: 1 other device →

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 30 years and passes through 4 companies; a new generation was cleared every 3.5 years on median.
  • None of the 18 ancestors has a recall.
  • 1 other device also cites its predicate K173462.

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. 2018, 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?

The device is designed to be used for temporary relief of pain associated with sore and aching muscles in the shoulder,

waist, back, upper extremities(arm) and lower extremities (leg) due to strain from exercise or normal household work

activities. And to be used for the symptomatic relief and management of chronic, intractable pain and relief of pain

associated with arthritis.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K180331: Wireless Pain Relieve Device.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K180331

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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