510(k) Report

510(k) · Cleared

Cleared

Xinfeng Heat Lamps, Models, CQ-27,CQ-36, CQ-55, CQ-55A

K043558510(k) TraditionalCleared Jun 6, 2005161-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

Chongqing Xinfeng Medical Instruments Co., Ltd. · ILY Lamp, Infrared, Therapeutic Heating

Cleared on Jun 6, 2005 as substantially equivalent to K003538 (Lhasa Medical, Inc., 2001) after a 161-day review. Its family tree reaches back 1 generation to 2001. 4 later devices descend from it.

Decided
Jun 6, 2005
Review
161 days
Class
Class II
Product code
ILY
Recalls
None
Predicates
1

Its longest line of descent runs back 1 generation to K003538 (2001). 4 later devices descend from it, 3 citing it directly.

Descendants, by year cleared 2010: 1 descendant cleared2011: 2 descendants cleared2017: 1 descendant clearedK003538 · TDP CQ-27 Heat Lamp · Lhasa Medical, Inc. · 2001200020052010201520202025
Descendants, by generation 1 generation forward: 3 descendants2 generations forward: 1 descendant K003538 · TDP CQ-27 Heat Lamp · Lhasa Medical, Inc. · 20010
  1. Root · 1 generation backK003538 TDP CQ-27 Heat LampLhasa Medical, Inc. · 2001
  2. This deviceK043558 Xinfeng Heat Lamps, Models, CQ-27,CQ-36, CQ-55, CQ-55AChongqing Xinfeng Medical Instruments Co., Ltd. · 2005
  3. Descendant · cites it directly · 1 of its ownK102149 Gaunying Infrared LampFoshan Gaunying Electronics Co., Ltd. · 2010
  4. Descendant · cites it directly · 0 of its ownK162590 Bashan TDP Heat LampChogqing Yuhe Medical Instruments Co., Ltd. · 2017
  5. Descendant · 2 generations on · 0 of its ownK110721 Gaunying Infrared LampFoshan Gaunying Electronics Co., Ltd. · 2011
  6. Descendant · cites it directly · 0 of its ownK101693 Gaunying Infrared Lamp Model IL50Foshan Gaunying Electronics Co., Ltd. · 2011

Most influential descendants

Showing 4 of 4 · See all
  • K102149Gaunying Infrared LampFoshan Gaunying Electronics Co., Ltd. · 2010 · cites it directly1descendant
  • K162590Bashan TDP Heat LampChogqing Yuhe Medical Instruments Co., Ltd. · 2017 · cites it directly0descendants
  • K110721Gaunying Infrared LampFoshan Gaunying Electronics Co., Ltd. · 2011 · 2 generations on0descendants
  • K101693Gaunying Infrared Lamp Model IL50Foshan Gaunying Electronics Co., Ltd. · 2011 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K003538TDP CQ-27 Heat LampLhasa Medical, Inc.2001—
0 (this device)K043558Xinfeng Heat Lamps, Models, CQ-27,CQ-36, CQ-55, CQ-55AChongqing Xinfeng Medical Instruments Co., Ltd.2005—
+1K102149Gaunying Infrared LampFoshan Gaunying Electronics Co., Ltd.2010—
+1K162590Bashan TDP Heat LampChogqing Yuhe Medical Instruments Co., Ltd.2017—
+2K110721Gaunying Infrared LampFoshan Gaunying Electronics Co., Ltd.2011—
+1K101693Gaunying Infrared Lamp Model IL50Foshan Gaunying Electronics Co., Ltd.2011—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201010
201120
201710
FIG. 1 — Lineage of K043558, 2001–2017Source: 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
*K003538TDP CQ-27 Heat Lamp
Summary page 2
…7 K043558 Additional Information for Xinfeng Heating Lamp Regulation Number: 890.5500 Product Code: ILY 510(k) Number: K003538 Registration Number: 1222811 Owner/Operator Number: 9003816 Description of the Xinfeng Heating Lamps: Xinfeng Heating Lamp…
Lhasa Medical, Inc.2001—

Also cleared against K003538: 9 other devices →

What descends from it? (4)

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

NumberDeviceApplicantDecidedDescendants
K102149Gaunying Infrared LampFoshan Gaunying Electronics Co., Ltd.20101
K162590Bashan TDP Heat LampChogqing Yuhe Medical Instruments Co., Ltd.20170
K101693Gaunying Infrared Lamp Model IL50Foshan Gaunying Electronics Co., Ltd.20110

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?

  • Its one ancestor has no recall.
  • Of its descendants, K102149 (Foshan Gaunying Electronics Co., Ltd., 2010) has gone furthest, with 1 descendant of its own.
  • 9 other devices also cite its predicate K003538.

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?

Xinfeng Heating lamp, including CQ-27, CQ-36 and CQ-55A, is an infrared lamp that emits the infrared spectrum to provide topical heating for the purpose of elevating tissue temperature, to temporarily increase local blood circulation, and to temporarily relieve minor muscle and joint pain and stiffness. The lamps may also help to relieve minor pain associated with muscle spasms, minor sprains and strains, and minor muscular back pain.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K043558: Xinfeng Heat Lamps, Models, CQ-27,CQ-36, CQ-55, CQ-55A.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K043558

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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