510(k) Report

510(k) · Cleared

Cleared

BTL-785MJ

K243290510(k) TraditionalCleared May 9, 2025203-day reviewClass II21 CFR 890.5850

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

BTL Industries, Inc. · NUW Stimulator, Muscle, Powered, Dental

Cleared on May 9, 2025 as substantially equivalent to K203525 (Ito Co., Ltd., 2021) after a 203-day review. Its family tree reaches back 3 generations to 1984.

Decided
May 9, 2025
Review
203 days
Class
Class II
Product code
NUW
Recalls
None
Predicates
1

Its longest line of descent runs back 3 generations to K842223 (1984). No later device cites it as a predicate yet.

  1. Root · 3 generations backK842223 J4 Myo-MonitorMyo-Tronics Research, Inc. · 1984
  2. 2 generations backK031998 Model J-5 Mvo-MonitorMyotronics-Noromed, Inc. · 2003
  3. 1 generation backK203525 D functionIto Co., Ltd. · 2021
  4. This deviceK243290 BTL-785MJBTL Industries, Inc. · 2025
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−3K842223J4 Myo-MonitorMyo-Tronics Research, Inc.1984—
−2K031998Model J-5 Mvo-MonitorMyotronics-Noromed, Inc.2003—
−1K203525D functionIto Co., Ltd.2021—
0 (this device)K243290BTL-785MJBTL Industries, Inc.2025—
FIG. 1 — Lineage of K243290, 1984–2025Source: 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 NUW? 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 NUW device

  1. #1 K203525 D functionscore 4.6 · 2 generations · no Class I recall
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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
*K203525D function
Summary page 6
…r the following 510(k) Premarket Notification numbers: Primary predicate: Device name: D function Original 510(k) Sponsor: ITO CO., LTD. 510(k) Number: K203525 Reference device: Device name: BTL-785BNF-E Original 510(k) Sponsor: BTL Industries, Inc. 510(k) Number: K2425…
Ito Co., Ltd.2021—
†K242532BTL-785BNF-EBTL Industries, Inc.2024—

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 41 years and passes through 4 companies; a new generation was cleared every 17.8 years on median.
  • None of the 3 ancestors has a recall.

How does its category compare?

All NUW devices

NUW Stimulator, Muscle, Powered, Dental: FDA decisions, review times, recalls and adverse event reports over 20 years. 2025, this device’s year, is highlighted.

FDA decisions per year · NUW

1in 2025

2021: 12025: 1
2007high 1 (2021) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · NUW

Too few NUW 510(k)s in any year since 2007 to give a median.

Recalls per year · NUW

No recall names NUW since 2007.

Adverse event reports per year · NUW

No MAUDE report names NUW since 2007.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20070—00
20080—00
20090—00
20100—00
20110—00
20120—00
20130—00
20140—00
20150—00
20160—00
20170—00
20180—00
20190—00
20200—00
20211—00
20220—00
20230—00
20240—00
20251—00
20260—0—

What is it indicated for?

The BTL-785MJ device with the controller and single-use applicators has the following indications

for use:

1. To relieve symptoms associated with muscle spasm, to treat temporomandibular joint (TMJ)

dysfunction and associated pain

2. Muscle re-education

3. Increasing blood flow

4. Maintain or increase mandibular range of motion

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K243290: BTL-785MJ.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K243290

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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