# K043558: Xinfeng Heat Lamps, Models, CQ-27,CQ-36, CQ-55, CQ-55A

- Pathway: 510(k) (Traditional)
- Applicant: Chongqing Xinfeng Medical Instruments Co., Ltd.
- Decided: Jun 6, 2005 after 161 days
- Product code: ILY (Lamp, Infrared, Therapeutic Heating)
- Device class: 2
- Regulation: 21 CFR 890.5500
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 1 generation back to K003538 (2001). 1 ancestor in all.
4 later devices descend from it; 3 cite it directly.
0 of 6 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K003538: TDP CQ-27 Heat Lamp, Lhasa Medical, Inc. (2001) Summary page 2.

## Most influential descendants
- K102149: Gaunying Infrared Lamp (2010), 1 descendant of its own
- K162590: Bashan TDP Heat Lamp (2017), 0 descendants of its own
- K110721: Gaunying Infrared Lamp (2011), 0 descendants of its own
- K101693: Gaunying Infrared Lamp Model IL50 (2011), 0 descendants of its own

## Indications for use
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.

Source page: https://510kreport.com/device/K043558
Methodology: https://510kreport.com/methodology