510(k) Report

510(k) · Cleared

Cleared

Avacen 100

K133981510(k) AbbreviatedCleared Aug 15, 2014232-day reviewClass II21 CFR 890.5740

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

Avacen, Inc. · IRT Pad, Heating, Powered

Cleared on Aug 15, 2014 as substantially equivalent to K111273 (Shenzhen Anpan Technology Co., Ltd., 2011) after a 232-day review. Its family tree reaches back 3 generations to 2008.

Decided
Aug 15, 2014
Review
232 days
Class
Class II
Product code
IRT
Recalls
None
Predicates
1

Its longest line of descent runs back 3 generations to K072534 (2008). No later device cites it as a predicate yet.

  1. Root · 3 generations backK072534 Bio-Mat 2000Richway Intl., Inc. · 2008
  2. 2 generations backK092589 Thermotex Platinum SystemEas Consulting Group, LLC · 2010
  3. 1 generation backK111273 Fir Heat Theraphy SysyemsShenzhen Anpan Technology Co., Ltd. · 2011
  4. This deviceK133981 Avacen 100Avacen, Inc. · 2014
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−3K072534Bio-Mat 2000Richway Intl., Inc.2008—
−2K092589Thermotex Platinum SystemEas Consulting Group, LLC2010—
−1K111273Fir Heat Theraphy SysyemsShenzhen Anpan Technology Co., Ltd.2011—
0 (this device)K133981Avacen 100Avacen, Inc.2014—
FIG. 1 — Lineage of K133981, 2008–2014Source: 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 IRT? 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 IRT device

  1. #1 K250047 bite away twoscore 10.6 · 3 generations · no Class I recall
  2. #2 Held for the reportin the report
Get a 510(k) Report

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
*K111273Fir Heat Theraphy Sysyems
Summary page 6
…510 (k) Shenzhen Anpan FIR Heat Therapy Systems, Models EH- Technology Co., Ltd. 6601-6612 K111273 A summary of the technological characteristics of the AVACEN 100 and the predicate device is presented in the following table:…
Shenzhen Anpan Technology Co., Ltd.2011—

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 6 years and passes through 4 companies; a new generation was cleared every 2.0 years on median.
  • None of the 3 ancestors has a recall.

How does its category compare?

All IRT devices

IRT Pad, Heating, Powered: FDA decisions, review times, recalls and adverse event reports over 20 years. 2014, this device’s year, is highlighted.

FDA decisions per year · IRT

1in 2025

2008: 12011: 12014: 12015: 12016: 12022: 12025: 1
2007high 1 (2008) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · IRT

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

Recalls per year · IRT

3in 2022

2007: 52016: 12022: 3, 3 Class I
2007high 5 (2007) · low 0 (2008)2026

Class I (3 since 2007) Class II/III not classified

Adverse event reports per year · IRT

70in 2025

2007: 3122008: 2422009: 5552010: 4132011: 2272012: 2332013: 3452014: 4142015: 2892016: 1822017: 2202018: 3252019: 2052020: 1172021: 972022: 1342023: 3212024: 772025: 70
2007high 555 (2009) · low 70 (2025)2025

MAUDE reports naming product code IRT, 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—5312
20081—0242
20090—0555
20100—0413
20111—0227
20120—0233
20130—0345
20141—0414
20151—0289
20161—1182
20170—0220
20180—0325
20190—0205
20200—0117
20210—097
20221—3 (3)134
20230—0321
20240—077
20251—070
20260—0—

What is it indicated for?

The AVACEN 100 is a heat therapy system indicated for the temporary relief of minor muscle and joint pain and stiffness; the temporary relief of joint pain associated with arthritis, muscle spasms, minor strains and sprains; muscular relaxation; and the temporary increase of local circulation where applied.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K133981: Avacen 100.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K133981

Report an extraction error

Tell us what is wrong; we check it against the FDA summary.

Are you the manufacturer?

Send a correction or an update to this page, for example a newer model or a public statement about a recall.

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