This device is a non-sterile reusable, contact thermometer, intended for intermittent determination of human body temperature through on the ear canal or forehead as the measurement site on people of all age. The ThermArt (Model IR-EFT) can be used in clinical and home environment.
Device Story
ThermArt (Model IR-EFT) is a handheld, battery-powered infrared thermometer; measures infrared energy emitted from forehead skin or ear canal. Device uses thermopile sensor to detect thermal radiation; converts input to digital temperature reading. Operated by clinicians or patients in clinical/home settings. Provides instant temperature display on device. Enables non-invasive, intermittent body temperature monitoring; assists in clinical decision-making regarding fever management.
Clinical Evidence
Bench testing only. Compliance demonstrated with ISO 80601-2-56 and ASTM E1965 for accuracy; IEC 60601-1 and IEC 60601-1-2 for electrical safety/EMC; IEC 60601-1-11 for home healthcare environment; and ISO 10993-1, -5, -10 for biocompatibility. Cleaning validation performed per IFU.
Indicated for intermittent human body temperature measurement via ear canal or forehead in patients of all ages. Suitable for clinical and home use.
Regulatory Classification
Identification
A clinical electronic thermometer is a device used to measure the body temperature of a patient by means of a transducer coupled with an electronic signal amplification, conditioning, and display unit. The transducer may be in a detachable probe with or without a disposable cover.
Special Controls
(1) Device is not a clinical thermometer with telethermographic functions;
(2) Device is not a clinical thermometer with continuous temperature measurement functions; and
(3) Appropriate analysis and testing (such as that outlined in the currently FDA-recognized editions, as appropriate, of ISO 80601-2-56, “Medical electrical equipment—Part 2-56: Particular requirements for basic safety and essential performance of clinical thermometers for body temperature measurement,” or ASTM E1965, “Standard Specification for Infrared Thermometers for Intermittent Determination of Patient Temperature,” or ASTM E1112, “Standard Specification for Electronic Thermometer for Intermittent Determination of Patient Temperature,” or ASTM E1104, “Standard Specification for Clinical Thermometer Probe Covers and Sheaths”) must validate specifications and performance of the device.
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September 28, 2021
Comper Chuangxiang (Beijing) technology Co., Ltd. Han Du Manager Building 1, Unit 4, Room 102, 103 1st Floor, No.1 Kangding Street, Beijing Economic Technological Development Area Beijing, 100176 China
Re: K202481
Trade/Device Name: ThermArt (Model IR-EFT) Regulation Number: 21 CFR 880.2910 Regulation Name: Clinical Electronic Thermometer Regulatory Class: Class II Product Code: FLL Dated: August 17, 2021 Received: August 27, 2021
Dear Han Du:
We have reviewed your Section 510(k) premarket notification of intent to market the device referenced above and have determined the device is substantially equivalent (for the indications for use stated in the enclosure) to legally marketed predicate devices marketed in interstate commerce prior to May 28, 1976, the enactment date of the Medical Device Amendments, or to devices that have been reclassified in accordance with the provisions of the Federal Food, Drug, and Cosmetic Act (Act) that do not require approval of a premarket approval application (PMA). You may, therefore, market the device, subject to the general controls provisions of the Act. Although this letter refers to your product as a device, please be aware that some cleared products may instead be combination products. The 510(k) Premarket Notification Database located at https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfpmn/pmn.cfm identifies combination product submissions. The general controls provisions of the Act include requirements for annual registration, listing of devices, good manufacturing practice, labeling, and prohibitions against misbranding and adulteration. Please note: CDRH does not evaluate information related to contract liability warranties. We remind you, however, that device labeling must be truthful and not misleading.
If your device is classified (see above) into either class II (Special Controls) or class III (PMA), it may be subject to additional controls. Existing major regulations affecting your device can be found in the Code of Federal Regulations, Title 21, Parts 800 to 898. In addition, FDA may publish further announcements concerning your device in the Federal Register.
Please be advised that FDA's issuance of a substantial equivalence determination does not mean that FDA has made a determination that your device complies with other requirements of the Act or any Federal
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statutes and regulations administered by other Federal agencies. You must comply with all the Act's requirements, including, but not limited to: registration and listing (21 CFR Part 807); labeling (21 CFR Part 801); medical device reporting of medical device-related adverse events) (21 CFR 803) for devices or postmarketing safety reporting (21 CFR 4, Subpart B) for combination products (see https://www.fda.gov/combination-products/guidance-regulatory-information/postmarketing-safety-reportingcombination-products); good manufacturing practice requirements as set forth in the quality systems (QS) regulation (21 CFR Part 820) for devices or current good manufacturing practices (21 CFR 4, Subpart A) for combination products; and, if applicable, the electronic product radiation control provisions (Sections 531-542 of the Act); 21 CFR 1000-1050.
Also, please note the regulation entitled, "Misbranding by reference to premarket notification" (21 CFR Part 807.97). For questions regarding the reporting of adverse events under the MDR regulation (21 CFR Part 803), please go to https://www.fda.gov/medical-device-safety/medical-device-reportingmdr-how-report-medical-device-problems.
For comprehensive regulatory information about medical devices and radiation-emitting products, including information about labeling regulations, please see Device Advice (https://www.fda.gov/medicaldevices/device-advice-comprehensive-regulatory-assistance) and CDRH Learn (https://www.fda.gov/training-and-continuing-education/cdrh-learn). Additionally, you may contact the Division of Industry and Consumer Education (DICE) to ask a question about a specific regulatory topic. See the DICE website (https://www.fda.gov/medical-device-advice-comprehensive-regulatoryassistance/contact-us-division-industry-and-consumer-education-dice) for more information or contact DICE by email (DICE@fda.hhs.gov) or phone (1-800-638-2041 or 301-796-7100).
Sincerely,
For Payal Patel Assistant Director DHT3C: Division of Drug Delivery and General Hospital Devices, and Human Factors OHT3: Office of GastroRenal, ObGyn, General Hospital and Urology Devices Office of Product Evaluation and Ouality Center for Devices and Radiological Health
Enclosure
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#### DEPARTMENT OF HEALTH AND HUMAN SERVICES Food and Drug Administration
# Indications for Use
Form Approved: OMB No. 0910-0120 Expiration Date: 06/30/2020 See PRA Statement below.
510(k) Number (if known) K202481
Device Name ThermArt (Model IR-EFT)
#### Indications for Use (Describe)
This device is a non-sterile reusable, contact thermometer, intermittent determination of human body temperature through on the ear canal or forehead as the measurement site on people of all age. The ThermArt (Model IR-EFT) can be used in clinical and home environment.
Type of Use (Select one or both, as applicable)
_ Prescription Use (Part 21 CFR 801 Subpart D)
X Over-The-Counter Use (21 CFR 801 Subpart C)
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# K202481 510(K) Summary
Prepared in accordance with the requirements of 21 CFR Part 807.92
#### Prepared Date: 28 September, 2021
#### 1. Submitter's Information
The submitter of this pre-market notification is:
| Name: | Comper Chuangxiang (Beijing) technology Co., Ltd. Address: Room 102-103 1st Floor, Building 4 No.1 Kangding Street, Daxing District Beijing, CHINA 100176 |
|-----------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------|
| Contact person: | Han Du |
| Title: | Manager |
| E-mail: | registration@comper.com |
| Tel: | +86-10-57480968 |
#### 2. Device Identification
| Trade/Device Name: | ThermArt |
|--------------------|---------------------------------|
| Models: | IR-EFT |
| Common Name: | Clinical Electronic Thermometer |
| Regulation Number: | 21 CFR 880.2910 |
| Regulation Name: | Clinical electronic thermometer |
| Regulation Class: | Class II |
| Product Code: | FLL |
#### 3. Predicate Device
| 510(K) number: | K190873 |
|--------------------|-----------------------------------|
| Device Name: | Infrared Ear/Forehead Thermometer |
| Manufacturer: | Joytech Healthcare Co., Ltd. |
| Regulation Number: | 21 CFR 880.2910 |
| Regulation Name: | Clinical electronic thermometer |
| Regulation Class: | Class II |
| Product Code: | FLL |
### 4. Device Description
The ThermArt (Model IR-EFT) is a hand-held, battery powered device designed to measure human body temperature. This Thermometer takes the body temperature the infrared energy emitted from the forehead skin or the ear canal. The Thermometer adopts gentle-touch, user friendly and non-invasive measurement design. It instantly displays the accurate reading of the body temperature with just a gentle touch.
510(k) Summary
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# 5. Indications for use
This device is a non-sterile reusable, contact thermometer, intended for intermittent determination of human body temperature through on the ear canal or forehead as the measurement site on people of all age. The ThermArt (Model IR-EFT) can be used in clinical and home environment.
# 6. Substantial Equivalence Discussion
Comparison to the predicate devices, the subject device has same indications for use, similarproduct design,
same performance effectiveness, performance safety as the predicate device as summarized in the following table
| Feature | Subject device | Predicate device | Discussion |
|-----------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| 510(k) Number | K202481 | K190873 | / |
| Regulation<br>number | 21 CFR 880.2910 | 21 CFR 880.2910 | Same |
| Product Code | FLL | FLL | Same |
| Indications for<br>Use | This device is a non-sterile<br>reusable, contact<br>thermometer, intended for<br>intermittent determination of<br>human body temperature<br>through on the ear canal or<br>forehead as the measurement<br>site on people of all age. The<br>ThermArt (Model IR-EFT)<br>can be used in clinical and<br>home environment. | Infrared Ear/Forehead<br>Thermometer DET-218 is<br>intended for the intermittent<br>measurement of human body<br>temperature by people of all ages.<br>The devices are reusable for<br>home use only. | Our indications for use is<br>different from the<br>description of the predicate<br>device, but the means is<br>essentially the same. |
| Patient population | people of all ages | people of all ages | Same |
| Measure Method | Infrared radiation detection | Infrared radiation detection | Same |
| Key Temperature<br>Sensor | Thermopile Sensor | Thermopile Sensor | Same |
| Materials | Enclosure: PC;<br>Probe: glass & ABS | Enclosure: ABS;<br>Probe: Stainless steel & ABS; | Different, but both of our<br>device and predicate device<br>have performed the<br>Biocompatibility test<br>according to the ISO 10993-<br>1, both two devices meet the<br>requirements of ISO 10993.<br>therefore it is substantially<br>equivalent on<br>Biocompatibility risk. |
| Temperature<br>range | 32.0°C ~43.0°C (89.6°F -<br>109.4°F) | 34.0°C to 43.0°C<br>(93.2°F to 109.4°F) | Our measurement range is<br>greater than predicate<br>device, but we performed<br>accuracy test according to |
| Accuracy | $\pm0.4°F/\pm0.2°C$ (95°F<br>107.6 °F/35.0°C -42°C)<br>$\pm0.5°F/\pm0.3°C$ (outside this<br>temperature range) | Ear/Forehead mode:<br>$\pm0.2°C$ (0.4°F) during 35.5°C<br>~42.0°C (95.9°F ~107.6°F ) at 15°C<br>~35°C (59.0°F ~95.0°F ) operating<br>temperature range $\pm0.3°C$ (0.5°F )<br>for other measuring and operating<br>temperature range. | the ASTM E1965,<br>therefore it is substantially<br>equivalent on performance.<br>Our accuracy is greater than<br>predicate device, but we<br>performed accuracy test<br>according to the ASTM<br>E1965, therefore it is<br>substantially equivalent on<br>performance. |
| Operating<br>environment | Temperature: 15°C -40°C (59°F -<br>104°F)<br>relative humidity: ≤ 95%;<br>atmospheric pressure: 70<br>kPa~106 kPa | Temperature:<br>10°C~40°C(50°F~104°F),<br>relative humidity: 15%~85%RH<br>non-condensing<br>Atmospheric Pressure : 700hPa ~<br>1060hPa | Our operating temperature<br>and relative humidity are<br>different from predicate<br>device, but we performed<br>accuracy test according to<br>the ISO 80601-2-56 and<br>ASTM E1965, therefore it is<br>substantially equivalent on<br>performance. |
| Transportation and<br>storage conditions | Temperature: -20°C~+ 55°C(-<br>4°F -131°F); relative humidity:<br>95%;<br>atmospheric pressure: 70<br>kPa~106 kPa | -25°C~ 55°C (-13°F~131°F),<br>≤15%~95%RH, non-condensing<br>Atmospheric Pressure : 700hPa ~<br>1060hPa | Our operating temperature<br>and relative humidity are<br>different from predicate<br>device, but we performed<br>accuracy test according to the<br>ISO 80601-2-56 and ASTM<br>E1965, therefore it is<br>substantially equivalent on<br>performance. |
| The<br>contact/noncontact<br>use of the device | Contact<br>Ear: the ear probe cover<br>contacts with skin;<br>Forehead: the forehead probe<br>cover contacts with skin | Contact | Same |
| The use of a<br>probe cover | Ear: use the ear probe cover<br>Forehead: use the forehead<br>probe cover | Ear: use the ear probe cover<br>Forehead: use the forehead cap | Same |
| Measuring time | 1s | 1s | Same |
| Resolution of<br>display | 0.1°C / 0.1°F | 0.1°C / 0.1°F | Same |
| Measurement<br>Place | Forehead<br>Ear | Forehead<br>Ear | Same |
| Scale Selection | °C /°F | °C /°F | Same |
| Signal output and<br>display | LED<br>Transfer transmit data to<br>mobile device for secondary<br>display | -Internal firmware and local LCD<br>display<br>-Also able to transfer transmit<br>data to mobile device for | Different type of screen<br>display, but both of our<br>device and predicate device<br>have performed the |
| | | secondary display | Medical electrical safety test<br>according to the IEC<br>60601-1 and IEC 60601-1-2<br>both two devices meet the<br>requirements. therefore it is<br>substantially equivalent on<br>Electrical risk. |
| Wireless Interface | Not applicable | Bluetooth Low Energy (BLE) | Different , Do not affect the<br>use and precision<br>measurement |
| Signal<br>transmission | Not applicable | Bluetooth 4.0 | Different , Do not affect the<br>use and precision<br>measurement |
| Receiver (mobile<br>terminal) | Not applicable | iOS9.0 or above mobile device<br>Android5.0 or above mobile<br>device | Different, Do not affect the<br>use and precision<br>measurement |
| Auto power-off<br>while no<br>operation | Yes | Yes | Same |
| Power Source | DC3V(2×AAA battery) | DC3V(2×AAA battery) | Same |
| Biocompatibility | Cytotoxicity, Skin irritation,<br>Skin sensitization | Cytotoxicity, Skin irritation,<br>Skin sensitization | Same |
| Voluntary<br>standards for<br>Clinical<br>Electronic<br>Thermometers, | ASTM E1965<br>ISO 80601-2-56 | ASTM E 1965 and<br>ISO 80601-2-56 | Same |
| Medical Electrical<br>Safety and<br>EMC | IEC 60601-1, IEC 60601-1-<br>2 | IEC 60601-1, IEC 60601-1-2 | Same |
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# Comper Chuangxiang (Beijing) Technology Co., Ltd
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# Comper Chuangxiang (Beijing) Technology Co., Ltd
# Discussion
Here is a summary of the difference and the tests performed on these differences to address the safety and effectiveness of the subject device.
| No. | Difference | Tests performed |
|-----|------------------------------------------|--------------------------------------------------------------------------------------|
| 1. | Materials | Biocompatibility test according to the ISO 10993-1, ISO<br>10993-5 and ISO 10993-10. |
| 2. | temperature range | Accuracy test according to the ASTM E1965. |
| 3. | accuracy | |
| 4. | operating environment | Accuracy test according to the ISO 80601-2-56 and<br>ASTM E1965. |
| 5. | transportation and storage<br>conditions | |
| 6. | signal output and display | Medical electrical safety test according to the IEC<br>60601-1 and IEC 60601-1-2. |
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| 7. | wireless interface | No test performed because the subject device does not contain these functions. |
|----|----------------------------|--------------------------------------------------------------------------------|
| 8. | signal transmission | |
| 9. | receiver (mobile terminal) | |
# Comper Chuangxiang (Beijing) Technology Co., Ltd
The required testing demonstrated that different do not raise new questions of safety and effectiveness between the subject and the predicate device.
# 8. Performance Data
# Non-clinical data
Cleaning validation:
We performed the cleaning validation according to the method if instruction for use, the validation result shows that the method of cleaning meets the cleaning requirements.
# Safety:
- 1. ANSI/AAMI ES60601-1:(R) 2012 AND A1:2012 Medical electrical equipment Part 1: General requirements for basic safety and essential performance (IEC 60601-1:2005, MOD)
- 2. AAMI/ANSI ES60601-1-2:2014 Medical electrical equipment -- Part 1-2: General requirements for basic safety and essential performance -- Collateral Standard: Electromagnetic disturbances -- Requirements and tests
- 3. IEC 60601-1-11:2015 Medical electrical equipment Part 1-11: General requirements for basic safety and essential performance - Collateral Standard: Requirements for medical electrical equipment and medical electrical systems used in the home healthcare environment
Performance:
- ISO 80601-2-56:2017 Medical electrical equipment Part 2-56: Particular requirements for basic safety and 4. essential performance of clinical thermometers for body temperature measurement.
- 5. ASTM E1965 (2016) Standard Specification for Infrared Thermometers for Intermittent Determination of Patient Temperature
Biocompatibility:
- 6. ISO 10993-1:2018 Biological evaluation of medical devices Part 1: Evaluation and testing within arisk management process
- 7. ISO 10993-5:2009 Biological evaluation of medical devices Part 5: Tests for in vitrocytotoxicity
- 8. ISO 10993-10:2010 Biological evaluation of medical devices - Part 10: Tests for irritation andskin sensitization
The tests were selected to show substantial equivalence between the subject device and the predicate.
# 9. Conclusion
The differences between the predicate and the subject device do not raise any new or different questions of safety or effectiveness. Based on the safety and performance testing and compliance with performance
510(k) Summary
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Comper Chuangxiang (Beijing) Technology Co., Ltd
standards, the ThermArt (Model IR-EFT) is substantially equivalent to the Infrared Ear/Forehead Thermometer cleared under K190873 with respect to the indications for use, target populations, treatment method, and technological characteristics.
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1. Search: exact and fuzzy
Type a phrase like "coronary artery calcification" into the search box. You get two kinds of results. Exact results match the literal phrase — prefix searches work ("coronary artery calcificati") but suffix searches do not. Fuzzy results match on the meaning and intent of your phrase rather than the exact words, and are sorted by relevance score. Hover over the Exact or Fuzzy badge on any row to see exactly why it matched.
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You search "coronary artery calcification" and want only software devices with AI. What two filters do you apply?
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Output name, acceptance criteria, observed values, development dataset description, and test dataset description. It's the same format we use for regulatory strategy output and Fast 510(k) input, and the fastest high-level fingerprint of an AI device. AI-generated but reliable in practice.
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Fuzzy results trail off in relevance as you scroll. Use three signals to decide how far down to go: the fuzzy badge explanations, the intended use column, and whether your target output (e.g., Cobb angle) still appears in the AI Performance sub-table. Once it stops appearing, you're past the relevant zone. A top hit with a low score (~0.4) and a stretched explanation is a hint the closest predicates are far away — the project may be headed for De Novo. Note the fuzzy search is a pattern match: it doesn't handle negation ("not") well, and hardware devices can appear — filter by SaMD/AI ML to cut them.
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Select multiple rows in the results table (aim for under ~10), then open the PDF Viewer tab. Ask one question — it goes to all selected devices in parallel, each with citations. This is the fastest way to compare and contrast devices: training data, PCCP scope, how they handled adding new scanners, and so on.
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Open the Predicates tab for a family-tree view of predicate relationships. Click a node to trace its parents and children; selections from search carry over pre-selected. Commonly predicated devices are worth reading — a lot of people predicated them for a reason. The visual lineage is also handy on client calls, e.g. to show how a predicate family evolved and justify why your predicate still holds.
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Head to the search page and work through a few of these AI/ML fuzzy searches to build intuition: perivascular fat on CT · aortic valve calcification opportunistic screening on noncontrast CT · breast cancer prediction on digital pathology slides · autism detection · gestational age prediction · a hearing aid that can also detect a pulse · foundation model based analysis of ECG · large language models · penetration test. Watch how the relevance scores, intended use, and AI Performance tables tell you when results stop being meaningful.