510(k) Report

510(k) · Cleared

Cleared

Curapuls 670

K243112510(k) TraditionalCleared Jun 25, 2025268-day reviewClass II21 CFR 890.5290

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

Enraf-Nonius, B.V. · IMJ Diathermy, Shortwave, For Use In Applying Therapeutic Deep Heat

Cleared on Jun 25, 2025 as substantially equivalent to K182363 (BTL Industries, Inc., 2019) after a 268-day review. Its family tree reaches back 5 generations to 1986.

Decided
Jun 25, 2025
Review
268 days
Class
Class II
Product code
IMJ
Recalls
None
Predicates
1

Its longest line of descent runs back 5 generations to K861248 (1986). 8 ancestors in all. No later device cites it as a predicate yet.

  1. Root · 5 generations backK861248 Curapuls 419 Diathermy UnitHenley Intl. · 1986
  2. 4 generations backK022458 Auto*Therm 395, Model ME 395Mettler Electronics Corp. · 2002
  3. 3 generations backK083433 Intelect SWD 100, Model 1600; Senior Solutions Shortwave Diathermy…Chattanooga Group · 2009 · Recalled
  4. 2 generations backK120093 BTL EliteBTL Industries, Inc. · 2012
  5. 1 generation backK182363 BTL-703BTL Industries, Inc. · 2019
  6. This deviceK243112 Curapuls 670Enraf-Nonius, B.V. · 2025
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−5K861248Curapuls 419 Diathermy UnitHenley Intl.1986—
−4K022458Auto*Therm 395, Model ME 395Mettler Electronics Corp.2002—
−3K083433Intelect SWD 100, Model 1600; Senior Solutions Shortwave Diathermy, Model 1601Chattanooga Group20091
−2K120093BTL EliteBTL Industries, Inc.2012—
−1K182363BTL-703BTL Industries, Inc.2019—
0 (this device)K243112Curapuls 670Enraf-Nonius, B.V.2025—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199810
200310
200410
FIG. 1 — Lineage of K243112, 1986–2025Source: 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 IMJ? 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 IMJ device

  1. #1 K252963 BTL-899TTscore 12.4 · 4 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
*K182363BTL-703
Summary page 5
…Class II 3. Predicate Device: BTL-703 Company Name: BTL Industries, Inc. K182363 4. Device Description: The Curapuls 670 is a two-channel microprocessor-controlled unit for pulsed shortwave therapy. Thro…
BTL Industries, Inc.2019—

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 39 years and passes through 5 companies; a new generation was cleared every 6.4 years on median.
  • 1 of the 8 ancestors has a recall of any class.

How does its category compare?

All IMJ devices

IMJ Diathermy, Shortwave, For Use In Applying Therapeutic Deep Heat: FDA decisions, review times, recalls and adverse event reports over 20 years. 2025, this device’s year, is highlighted.

FDA decisions per year · IMJ

2in 2025

2009: 12012: 12014: 32016: 32018: 12019: 12023: 12025: 22026 (partial year): 1
2007high 3 (2014) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · IMJ

131in 2016

2014: 393 days median2016: 131 days median
2007high 393 (2014) · low 131 (2016)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · IMJ

1in 2015

2015: 1
2007high 1 (2015) · low 0 (2007)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · IMJ

1in 2019

2009: 12010: 12011: 32012: 22013: 42014: 32015: 52017: 22019: 1
2007high 5 (2015) · low 0 (2007)2025

MAUDE reports naming product code IMJ, 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
20070—00
20080—00
20091—01
20100—01
20110—03
20121—02
20130—04
2014339303
20150—15
2016313100
20170—02
20181—00
20191—01
20200—00
20210—00
20220—00
20231—00
20240—00
20252—00
20261—0—

What is it indicated for?

The Curapuls 670 is indicated to be used for applying therapeutic deep heat in body tissues for the treatment of selected medical conditions such as:

1. Relieving pain;

2. Reducing muscle spasm;

3. Increasing range of motion of contracted joints using heat and stretch techniques; and

4. Increasing blood flow to tissues in the treatment area.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K243112: Curapuls 670.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K243112

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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