510(k) Report

510(k) · Cleared

Cleared

Wwmed, Model 401

K051961510(k) TraditionalCleared Feb 10, 2006206-day reviewClass II21 CFR 890.5500

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

Wong Way Corporation · ILY Lamp, Infrared, Therapeutic Heating

Cleared on Feb 10, 2006 as substantially equivalent to K024179 (Palomar Medical Products, Inc., 2003) after a 206-day review. Its family tree reaches back 3 generations to 1988.

Decided
Feb 10, 2006
Review
206 days
Class
Class II
Product code
ILY
Recalls
None
Predicates
1

Its longest line of descent runs back 3 generations to K875052 (1988). 8 ancestors in all. No later device cites it as a predicate yet.

Other ancestors, by year cleared 2002: 1 other ancestor2001: 1 other ancestor1999: 1 other ancestor1996: 1 other ancestor1989: 1 other ancestorK875052 · TDP, Lark Brand and Mit Lamp · I.E.C. Co. · 1988K020851 · TDP Heat Lamp or Infrared Heating Lamp, Models CQG-S1, CQG-111A/B, CQG-222A/B, CQG-270A/B, CQG-222D · C&H International · 2002K024179 · Palomar Lightcube · Palomar Medical Products, Inc. · 200319851990199520002005
  1. Root · 3 generations backK875052 TDP, Lark Brand and Mit LampI.E.C. Co. · 1988
  2. 2 generations backK020851 TDP Heat Lamp or Infrared Heating Lamp, Models CQG-S1, CQG-111A/B…C&H International · 2002
  3. 1 generation backK024179 Palomar LightcubePalomar Medical Products, Inc. · 2003
  4. This deviceK051961 Wwmed, Model 401Wong Way Corporation · 2006
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−3K875052TDP, Lark Brand and Mit LampI.E.C. Co.1988—
−2K020851TDP Heat Lamp or Infrared Heating Lamp, Models CQG-S1, CQG-111A/B, CQG-222A/B…C&H International2002—
−1K024179Palomar LightcubePalomar Medical Products, Inc.2003—
0 (this device)K051961Wwmed, Model 401Wong Way Corporation2006—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198910
199610
199910
200110
200210
FIG. 1 — Lineage of K051961, 1988–2006Source: 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 ILY? 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 ILY device

  1. #1 K242755 Medical Diode Laser Systems (VELAS II-30B…score 18.7 · 22 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
*K024179Palomar Lightcube
Summary page 2
…ation has determined that this device is substantially equivalent to the Palomar Lightcube, manufactured by Palomar Medical Products, which are currently in commerce as: K024179. A factory calibration test is conducted to verify the device is accurate and calibrated (and can maintain calibration over its…
Palomar Medical Products, Inc.2003—

Also cleared against K024179: 3 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?

  • The line of descent spans 18 years and passes through 4 companies; a new generation was cleared every 2.7 years on median.
  • None of the 8 ancestors has a recall.
  • 3 other devices also cite its predicate K024179.

How does its category compare?

All ILY devices

ILY Lamp, Infrared, Therapeutic Heating: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · ILY

1in 2025

2007: 102008: 162009: 132010: 82011: 92012: 112013: 92014: 112015: 112016: 82017: 52020: 12022: 22023: 12024: 12025: 12026 (partial year): 1
2007high 16 (2008) · low 0 (2018)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · ILY

116in 2017

2007: 128 days median2008: 165 days median2009: 189 days median2010: 185 days median2011: 198 days median2012: 130 days median2013: 211 days median2014: 153 days median2015: 146 days median2016: 214 days median2017: 116 days median
2007high 214 (2016) · low 116 (2017)2026

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

Recalls per year · ILY

1in 2025

2010: 12012: 32022: 42023: 12025: 12026 (partial year): 1
2007high 4 (2022) · low 0 (2007)2026

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

Adverse event reports per year · ILY

17in 2025

2007: 242008: 202009: 92010: 72011: 102012: 72013: 82015: 22016: 22017: 122018: 12019: 72020: 52021: 52022: 22023: 152024: 192025: 17
2007high 24 (2007) · low 0 (2014)2025

MAUDE reports naming product code ILY, 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
200710128024
200816165020
20091318909
2010818517
20119198010
20121113037
2013921108
20141115300
20151114602
2016821402
20175116012
20180—01
20190—07
20201—05
20210—05
20222—42
20231—115
20241—019
20251—117
20261—1—

What is it indicated for?

The wwMed t Model 401 is intended to emit energy in the infrared spectrum to provide topical heating for use when heat is indicated in the temporary relief of minor muscle and joint pain, muscle spasm, pain and stiffness associated with arthritis, and promoting relaxation of muscles.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K051961: Wwmed, Model 401.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K051961

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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