510(k) Report

510(k) · Cleared

Cleared

BTL-703

K182363510(k) TraditionalCleared Jan 24, 2019147-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

BTL Industries, Inc. · IMJ Diathermy, Shortwave, For Use In Applying Therapeutic Deep Heat

Cleared on Jan 24, 2019 as substantially equivalent to K120093 (BTL Industries, Inc., 2012) after a 147-day review. Its family tree reaches back 4 generations to 1986. 1 later device descends from it.

Decided
Jan 24, 2019
Review
147 days
Class
Class II
Product code
IMJ
Recalls
None
Predicates
1

Its longest line of descent runs back 4 generations to K861248 (1986). 7 ancestors in all. 1 later device descends from it, 1 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2004: 1 other ancestor2003: 1 other ancestor1998: 1 other ancestor2025: 1 descendant clearedK861248 · Curapuls 419 Diathermy Unit · Henley Intl. · 1986K022458 · Auto*Therm 395, Model ME 395 · Mettler Electronics Corp. · 2002K083433 · Intelect SWD 100, Model 1600; Senior Solutions Shortwave Diathermy, Model 1601 · Chattanooga Group · 2009 · recalledK120093 · BTL Elite · BTL Industries, Inc. · 20121990200020102020
  1. Root · 4 generations backK861248 Curapuls 419 Diathermy UnitHenley Intl. · 1986
  2. 3 generations backK022458 Auto*Therm 395, Model ME 395Mettler Electronics Corp. · 2002
  3. 2 generations backK083433 Intelect SWD 100, Model 1600; Senior Solutions Shortwave Diathermy…Chattanooga Group · 2009 · Recalled
  4. 1 generation backK120093 BTL EliteBTL Industries, Inc. · 2012
  5. This deviceK182363 BTL-703BTL Industries, Inc. · 2019
  6. Descendant · cites it directly · 0 of its ownK243112 Curapuls 670Enraf-Nonius, B.V. · 2025

Most influential descendants

Showing 1 of 1 · See all
  • K243112Curapuls 670Enraf-Nonius, B.V. · 2025 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

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

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199810
200310
200410

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202510
FIG. 1 — Lineage of K182363, 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
*K120093BTL Elite
Summary page 4
…y, and is substantially equivalent to the current product that is already cleared for USA distribution under the following 510(k) Premarket Notification number:  K120093, BTL Elite Section 5 – Page 1 of 6 Product Description The BTL-703 is co…
BTL Industries, Inc.2012—

What descends from it? (1)

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

NumberDeviceApplicantDecidedDescendants
K243112Curapuls 670Enraf-Nonius, B.V.20250

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 33 years and passes through 4 companies; a new generation was cleared every 6.5 years on median.
  • 1 of the 7 ancestors has a recall of any class.
  • Of its descendants, K243112 (Enraf-Nonius, B.V., 2025) has gone furthest, with 0 descendants of its own.

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. 2019, 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?

BTL-703 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. “K182363: BTL-703.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K182363

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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