510(k) Report

510(k) · Cleared

Cleared

Dynatron Solaris Series, Models 705, 706, 708, 709 D880 Infrared Probe (Optional Accessory)

K031329510(k) TraditionalCleared Oct 22, 2003177-day reviewClass II21 CFR 890.5300

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

Dynatronics Corp. · IMI Ultrasonic Diathermy For Use In Applying Therapeutic Deep Heat

Cleared on Oct 22, 2003 as substantially equivalent to K950349 (Dynatronics Corp., 1995) and 4 other predicates after a 177-day review. Its family tree reaches back 2 generations to 2000. 37 later devices descend from it.

Decided
Oct 22, 2003
Review
177 days
Class
Class II
Product code
IMI
Recalls
None
Predicates
5

Its longest line of descent runs back 2 generations to K001179 (2000). 6 ancestors in all, the oldest K941461 (1995). 37 later devices descend from it, 7 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 1995: 4 other ancestors2005: 6 descendants cleared2012: 4 descendants cleared2004: 1 descendant cleared2007: 2 descendants cleared2006: 2 descendants cleared2008: 2 descendants cleared2014: 3 descendants cleared2009: 1 descendant cleared2015: 2 descendants cleared2010: 1 descendant cleared2013: 1 descendant cleared2023: 2 descendants cleared2011: 1 descendant cleared2026: 1 descendant cleared2024: 2 descendants cleared2016: 2 descendants cleared2017: 1 descendant cleared2025: 3 descendants clearedK001179 · Super Nova, Acubeam · Light Force Therapy, Inc. · 2000K020017 · Medx 1000 Series · Medx Electronics, Inc. · 20021995200020052010201520202025
Other ancestors, by generationDescendants, by generation 1 generation back: 4 other ancestors 1 generation forward: 7 descendants2 generations forward: 7 descendants3 generations forward: 10 descendants4 generations forward: 5 descendants5 generations forward: 6 descendants6 generations forward: 1 descendant7 generations forward: 1 descendant K020017 · Medx 1000 Series · Medx Electronics, Inc. · 2002K001179 · Super Nova, Acubeam · Light Force Therapy, Inc. · 20000+5
  1. Root · 2 generations backK001179 Super Nova, AcubeamLight Force Therapy, Inc. · 2000
  2. 1 generation backK020017 Medx 1000 SeriesMedx Electronics, Inc. · 2002
  3. This deviceK031329 Dynatron Solaris Series, Models 705, 706, 708, 709 D880 Infrared…Dynatronics Corp. · 2003
  4. Descendant · cites it directly · 28 of its ownK040729 Solaris D890 Therapy ProbeDynatronics Corp. · 2004
  5. Descendant · cites it directly · 13 of its ownK043586 Laser Sys*Stim 540, Model ME 540Mettler Electronics Corp. · 2005
  6. Descendant · 2 generations on · 12 of its ownK050070 K-Laser, Models 3,4,4D,6DEltech S.R.L · 2005
  7. Descendant · 2 generations on · 9 of its ownK113017 Sys*Stim 240Mettler Electronics Corp. · 2012
  8. Descendant · 3 generations on · 8 of its ownK070400 LC Therapy, Model LCT-1000Litecure, LLC · 2007

Showing 5 of 37 descendants. See all descendants

Descendants cleared per year

2004: 12005: 62006: 22007: 22008: 22009: 12010: 12011: 12012: 42013: 12014: 32015: 22016: 22017: 12023: 22024: 22025: 32026: 1
2004high 6 (2005) · low 0 (2018)2026

Most influential descendants

Showing 5 of 37 · See all
  • K040729Solaris D890 Therapy ProbeDynatronics Corp. · 2004 · cites it directly28descendants
  • K043586Laser Sys*Stim 540, Model ME 540Mettler Electronics Corp. · 2005 · cites it directly13descendants
  • K050070K-Laser, Models 3,4,4D,6DEltech S.R.L · 2005 · 2 generations on12descendants
  • K113017Sys*Stim 240Mettler Electronics Corp. · 2012 · 2 generations on9descendants
  • K070400LC Therapy, Model LCT-1000Litecure, LLC · 2007 · 3 generations on8descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−2K001179Super Nova, AcubeamLight Force Therapy, Inc.2000—
−1K020017Medx 1000 SeriesMedx Electronics, Inc.2002—
0 (this device)K031329Dynatron Solaris Series, Models 705, 706, 708, 709 D880 Infrared Probe…Dynatronics Corp.2003—
+1K040729Solaris D890 Therapy ProbeDynatronics Corp.2004—
+1K043586Laser Sys*Stim 540, Model ME 540Mettler Electronics Corp.2005—
+2K050070K-Laser, Models 3,4,4D,6DEltech S.R.L2005—
+2K113017Sys*Stim 240Mettler Electronics Corp.2012—
+3K070400LC Therapy, Model LCT-1000Litecure, LLC2007—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199540

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200410
200560
200620
200720
200820
200910
201010
201110
201240
201310
201430
201520
201620
201710
202320
202420
202530
202610
FIG. 1 — Lineage of K031329, 2000–2026Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

Get the monthly Device Review Tracker

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 IMI? 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 IMI device

  1. #1 K240788 Ultrasound Stimulatorscore 10.4 · 4 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? (5)

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
*K950349Dynatron 950
Summary page 1
…, 890.5860 and 890.5500 Product Codes: GZJ, IMI, IPF, IMG, LIH and ILY 2. PREDICATE DEVICES: Solaris 709 - Previously Dynatron 950, cleared under K950349 (Sep 13, 1995); Solaris 708 - Previously Dynatron 850, cleared under K941461 (Sep 01, 1995); Solaris 706 - Previous…
Dynatronics Corp.1995—
*K941461Dynatron 850
Summary page 1
…LY 2. PREDICATE DEVICES: Solaris 709 - Previously Dynatron 950, cleared under K950349 (Sep 13, 1995); Solaris 708 - Previously Dynatron 850, cleared under K941461 (Sep 01, 1995); Solaris 706 - Previously Dynatron 650, cleared under K950348 (Sep 13, 1995); Solaris 705 - Previous…
Dynatronics Research Corp.1995—
*K950348Dynatron 650
Summary page 1
…r K950349 (Sep 13, 1995); Solaris 708 - Previously Dynatron 850, cleared under K941461 (Sep 01, 1995); Solaris 706 - Previously Dynatron 650, cleared under K950348 (Sep 13, 1995); Solaris 705 - Previously Dynatron 550, cleared under K94 1577 (Sep 0 1, 1995); Solaris D880 Infrare…
Dynatronics Corp.1995—
*K941577Dynatron 550
Summary page 1
…r K941461 (Sep 01, 1995); Solaris 706 - Previously Dynatron 650, cleared under K950348 (Sep 13, 1995); Solaris 705 - Previously Dynatron 550, cleared under K94 1577 (Sep 0 1, 1995); Solaris D880 Infrared Probe - SE to MedX 1000 Series, cleared under KO20017…
Dynatronics Corp.1995—
*K020017Medx 1000 SeriesMedx Electronics, Inc.2002—

What descends from it? (37)

See all 37

7 later devices cite it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K040729Solaris D890 Therapy ProbeDynatronics Corp.200428
K043586Laser Sys*Stim 540, Model ME 540Mettler Electronics Corp.200513
K062256HF54 Combination Ultrasound Interferential and Premodulated Stimulation SystemHill Laboratories Co.20072
K120835Dynatron Thermostim Probe-DoneDynatronics Corporation20121
K051261Dynatron X3 , Dynatron XP IR Light Pad, D405 IR Light ProbeDynatronics Corp.20051
K113250Dynatron Tri-Wave Light Pad Dynatron Tri-Wave Light ProbeDynatronics Corp.20120
K051680Dynatron DX2 Traction UnitDynatronics Corp.20050

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 3 years and passes through 3 companies; a new generation was cleared every 1.7 years on median.
  • None of the 6 ancestors has a recall.
  • Of its descendants, K040729 (Dynatronics Corp., 2004) has gone furthest, with 28 descendants of its own.

How does its category compare?

All IMI devices

IMI Ultrasonic Diathermy For Use In Applying Therapeutic Deep Heat: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · IMI

1in 2025

2007: 12009: 12010: 12011: 12012: 12013: 12014: 22015: 12016: 32017: 12021: 12022: 12023: 22025: 1
2007high 3 (2016) · low 0 (2008)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · IMI

150in 2016

2016: 150 days median
2007high 150 (2016)2026

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

Recalls per year · IMI

2in 2008

2008: 2
2007high 2 (2008) · low 0 (2007)2026

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

Adverse event reports per year · IMI

2in 2025

2007: 12008: 22009: 12010: 12011: 92012: 32013: 12014: 12015: 12016: 22017: 62019: 72020: 52021: 42022: 12024: 12025: 2
2007high 9 (2011) · low 0 (2018)2025

MAUDE reports naming product code IMI, 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
20071—01
20080—22
20091—01
20101—01
20111—09
20121—03
20131—01
20142—01
20151—01
2016315002
20171—06
20180—00
20190—07
20200—05
20211—04
20221—01
20232—00
20240—01
20251—02
20260—0—

What is it indicated for?

Hi Volt, Russian, and Biphasic modes of stimulation are all forms of electrical muscle stimulation therapy available with the Solaris 709, 708, 706 & 705 and indicated for: Relaxation of muscle spasms Prevention or retardation of disuse atrophy increasing local blood circulation Muscle re-education Immediate post-surgical stimulation of calf muscles to prevent venous thrombosis Maintaining or increasing range of motion The Direct Current mode of…

Read the full statement (228 words)

Hi Volt, Russian, and Biphasic modes of stimulation are all forms of electrical muscle stimulation therapy available with the Solaris 709, 708, 706 & 705 and indicated for:

Relaxation of muscle spasms

Prevention or retardation of disuse atrophy

increasing local blood circulation

Muscle re-education

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

Maintaining or increasing range of motion

The Direct Current mode of stimulation is also a form of electrical muscle stimulation therapy available with the Solaris 709, 708, 706 & 705 and indicated for:

Relaxation of muscle spasms

iFC, Premodulated, Microcurrent and Diadynaniic modes of stimulation are all forms of transcutaneous electrical nerve stirnulation (TENS) or Interferential Current Therapy (IFC) available with the Solaris 709, 708, 706 & 705 and indicated for:

Symptomatic relief of chronic intractable pain and/or management of post traumatic or post-surgical pain

Ultrasound therapy is available with the Solaris 709 & 708 and indicated for:

Applying therapeutic deep heat within body tissues for the treatment of selected medical conditions suc!~as:

Relief of pain

Muscle spasms

Joint contractures

Infrared therapy is available as an optional accessory (D880) probe with the Solaris 709, 708, 706 & 705 and indicated to provide topical heating for:

Temporary increase in local blood circulation

Temporary relief of minor muscle and joint aches, pains and stiffness

Relaxation of muscles

Muscle spasms

Minor pain and stiffness associated with arthritis

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K031329: Dynatron Solaris Series, Models 705, 706, 708, 709 D880 Infrared Probe (Optional Accessory).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K031329

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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