510(k) Report

510(k) · Cleared

Cleared

Model ME 300 Muscle Tester

K943535510(k) TraditionalCleared Jun 25, 19971,070-day reviewClass II21 CFR 882.5050

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

Regulatory Strategies, Inc. · HCC Device, Biofeedback

Cleared on Jun 25, 1997 as substantially equivalent to K881416 (Thought Technology, Ltd., 1988) and 1 other predicate after a 1,070-day review. Its family tree reaches back 1 generation to 1983.

Decided
Jun 25, 1997
Review
1,070 days
Class
Class II
Product code
HCC
Recalls
None
Predicates
2

Its longest line of descent runs back 1 generation to K832714 (1983). 2 ancestors in all. No later device cites it as a predicate yet.

Other ancestors, by year cleared 1988: 1 other ancestorK832714 · Verimed Myoexorciser · Verimed Holdings, Inc. · 19831980198519901995
Other ancestors, by generation 1 generation back: 1 other ancestor K832714 · Verimed Myoexorciser · Verimed Holdings, Inc. · 19830
  1. Root · 1 generation backK832714 Verimed MyoexorciserVerimed Holdings, Inc. · 1983
  2. This deviceK943535 Model ME 300 Muscle TesterRegulatory Strategies, Inc. · 1997
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K832714Verimed MyoexorciserVerimed Holdings, Inc.1983—
0 (this device)K943535Model ME 300 Muscle TesterRegulatory Strategies, Inc.1997—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198810
FIG. 1 — Lineage of K943535, 1983–1997Source: 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 HCC? 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 HCC device

  1. #1 K233580 A Breathing System (ABS)score 8.1 · 2 generations · no Class I recall
  2. #2 Held for the reportin the report
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What was it cleared against? (2)

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
*K881416Myotrac
Summary page 1
…Kuopio o Finland tel: 358 71 282 8959 Submitted by Regulatory Strategies, Inc. Consultant to Mega Electronics, Ltd. Predicate Devices Myotrac from Thought Technology K881416 Myoexcerciser from Verimed K832714 - Device Description The MES300 is a portable, battery powered EMG recorder. Technological…
Thought Technology, Ltd.1988—
*K832714Verimed Myoexorciser
Summary page 1
…959 Submitted by Regulatory Strategies, Inc. Consultant to Mega Electronics, Ltd. Predicate Devices Myotrac from Thought Technology K881416 Myoexcerciser from Verimed K832714 - Device Description The MES300 is a portable, battery powered EMG recorder. Technological Characteristics The ME300 is an e…
Verimed Holdings, Inc.1983—

Also cleared against K881416: 2 other devices →

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?

  • None of the 2 ancestors has a recall.
  • 2 other devices also cite its predicate K881416.

How does its category compare?

All HCC devices

HCC Device, Biofeedback: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · HCC

1in 2024

2007: 12008: 22010: 12011: 12013: 22015: 22017: 12018: 12023: 12024: 1
2007high 2 (2008) · low 0 (2009)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · HCC

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

Recalls per year · HCC

1in 2015

2012: 12015: 1
2007high 1 (2012) · low 0 (2007)2026

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

Adverse event reports per year · HCC

5in 2024

2007: 22008: 22009: 12011: 42012: 22013: 22014: 22016: 42017: 32018: 12019: 62020: 22022: 32023: 22024: 5
2007high 6 (2019) · low 0 (2010)2025

MAUDE reports naming product code HCC, 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—02
20082—02
20090—01
20101—00
20111—04
20120—12
20132—02
20140—02
20152—10
20160—04
20171—03
20181—01
20190—06
20200—02
20210—00
20220—03
20231—02
20241—05
20250—00
20260—0—

What is it indicated for?

ME300 is an electronic-device used to gather and display electrophysiological signals obtained from muscle activity. These signals are used in programs related to muscle re-education and relaxation training.

Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K943535: Model ME 300 Muscle Tester.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K943535

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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