Infrared Forehead Thermometer, model: HS-9802D is intended for the intermittent measurement and monitoring of human body temperature. The device is indicated for use by people of all ages in the home.
Device Story
Hand-held, battery-powered infrared thermometer; measures human body temperature from center of forehead. Principle: thermopile IR sensor detects radiation from forehead; converts to electrical signal; amplified and processed by MCU; temperature displayed on LCD. Used in home by patients or caregivers. Output: digital temperature reading on LCD; high-temperature alarm; memory storage for 6 readings. Benefits: non-invasive, intermittent temperature monitoring.
Clinical Evidence
Clinical accuracy testing performed per ASTM E1965-98 (2016) on 105 subjects, categorized into infants (newborn to 1 year), children (>1 to 5 years), and adults (>5 years). Results confirmed clinical accuracy complied with ASTM E1965-98 requirements.
Technological Characteristics
Hand-held infrared thermometer; thermopile sensor; 3V DC (2x AAA batteries). Materials: ABS (probe, shell, buttons), PS (cap), Glass (LCD), Silica gel (memory button). Standards: ANSI AAMI ES60601-1, IEC 60601-1-11, IEC 60601-1-2, ASTM E1965-98, ISO 80601-2-56, ISO 10993-5/10. Software lifecycle per IEC 62304.
Indications for Use
Indicated for intermittent measurement and monitoring of human body temperature for people of all ages in the home setting.
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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Image /page/0/Picture/0 description: The image contains the logo of the U.S. Food and Drug Administration (FDA). The logo consists of two parts: the Department of Health & Human Services logo on the left and the FDA logo on the right. The FDA logo features the letters 'FDA' in a blue square, followed by the words 'U.S. FOOD & DRUG ADMINISTRATION' in blue text.
September 19, 2022
Jiaxing Shangjia Intelligence Technology Co., Ltd. % You Yijie Manager Oimmig Medical Consulting Service Co., Ltd. RM.1711, Building K, NO.101 Science Ave International Creative Valley Guangzhou, Guangdong 510663 China
Re: K213038
Trade/Device Name: Infrared Forehead Thermometer, model: HS-9802D Regulation Number: 21 CFR 880.2910 Regulation Name: Clinical electronic thermometer Regulatory Class: Class II Product Code: FLL
Dear You Yijie:
The Food and Drug Administration (FDA) is sending this letter to notify you of an administrative change related to your previous substantial equivalence (SE) determination letter dated March 10, 2022. Specifically, FDA is updating this SE Letter typo in the trade name as an administrative correction.
Please note that the 510(k) submission was not re-reviewed. For questions regarding this letter please contact Payal Patel, OHT3: Office of GastroRenal, ObGyn, General Hospital and Urology Devices, 240-402-6029, payal.patel(@fda.hhs.gov.
Sincerely,
Danil WalloscheR
David Wolloscheck, Ph.D. 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 Quality Center for Devices and Radiological Health
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Image /page/1/Picture/0 description: The image contains the logo of the U.S. Food and Drug Administration (FDA). On the left is the Department of Health & Human Services logo. To the right of that is the FDA logo, which is a blue square with the letters "FDA" in white. To the right of the blue square is the text "U.S. FOOD & DRUG ADMINISTRATION" in blue.
March 10, 2022
Jiaxing Shangjia Intelligence Technology Co., Ltd. You Yijie Manager Oimmig Medical Consulting Service Co., Ltd. RM.1711. Building K. NO.101 Science Ave International Creative Valley Guangzhou, Guangdong 510663 China
Re: K213038
Trade/Device Name: Infrared Forehead Thermometer, model: HS-98020 Regulation Number: 21 CFR 880.2910 Regulation Name: Clinical Electronic Thermometer Regulatory Class: Class II Product Code: FLL Dated: January 31, 2022 Received: January 31, 2022
Dear You Yijie:
We have reviewed vour 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,
FDA
Gang Peng 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 Quality Center for Devices and Radiological Health
Enclosure
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Section 4: Indications for Use Statement (Form FDA 3881)
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#### DEPARTMENT OF HEALTH AND HUMAN SERVICES Food and Drug Administration
#### Indications for Use
510(k) Number (if known)
K213038
Device Name
Infrared Forehead Thermometer, model: HS-9802D
Indications for Use (Describe)
Infrared Forehead Thermometer, model: HS-9802D is intended for the intermittent measurement and monitoring of human body temperature. The device is indicated for use by people of all ages in the home.
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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# Section 5: 510(k) Summary
## 1. Submitter's Information
#### Establishment Registration Information
Name: Jiaxing Shangjia Intelligence Technology Co., Ltd. Address: Room 102 and Room 202, Building No.9, Jiaxing Intelligence & Innovation Park, No.36, South Changsheng Road, Jiaxing, Zhejiang, China
### Contact Person of applicant
Name: Lou Yongwei Address: Room 102 and Room 202, Building No.9, Jiaxing Intelligence & Innovation Park, No.36, South Changsheng Road, Jiaxing, Zhejiang, China TEL: +86 0573 89978800 Email: 100831552@qq.com
### Contact Person of the Submission:
Name: Yijie You Address: RM.1711, Building K, No.101 Science Ave International Creative Valley Development Zone, Guangzhou China TEL: +86 020-8224 5821 FAX: +86 020-8224 5821 Email: Jet.you@qimmiq-med.com
Date prepared: Sep. 8, 2021
## 2. Device Information
| Device Common Name: | Clinical electronic thermometer |
|---------------------|----------------------------------|
| Trade Name: | Infrared Forehead<br>Thermometer |
| Model: | HS-9802D |
| Regulation name: | Clinical electronic thermometer |
| Review Panel: | General Hospital |
| Product Code: | FLL |
| Regulation Class: | II |
| Regulation Number: | 880.2910 |
## 3. Predicate Device Information
| 510(k) submitter/holder: | Microlife Intellectual Property GmbH, Switzerland. |
|--------------------------|------------------------------------------------------|
| 510(K) Number: | K191829 |
| Trade Name: | Microlife Non-Contact Infrared Forehead Thermometer. |
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Model: FR1DG1 (NC200) Clinical electronic thermometer Classification name: Review panel: General Hospital Product code: FLL Regulation Class: Regulation Number: 880.2910
## 4. Device description
Infrared Forehead Thermometer, model: HS-9802D is a hand-held, battery powered, infrared thermometer that measures human body temperature from forehead. The reference body site is oral. The device measures temperature from center of the forehead.
### Principle of operation:
Infrared Forehead Thermometer, model: HS-9802D is an electronic thermometer uses IR sensor (thermopile) to detect infrared radiation emitting from forehead, after then, the IR sensor outputs electrical signal which is fed to circuit for amplification and then being inputted to MCU, the MCU captures the temperature measured from center of forehead. The measured temperature will finally appear on LCD display.
## 5. Indications for Use
Infrared Forehead Thermometer, model: HS-9802D is intended for the internittent measurement and monitoring of human body temperature. The device is indicated for use by people of all ages in the home.
#### Summary of technological characteristics of device compared to 6. the predicate device
| SE<br>Comparisons | Subject device<br>(Infrared Forehead Thermometer,<br>model: HS-9802D) | Primary predicate device<br>(K191829, Microlife Non-Contact Infrared<br>Forehead Thermometer, Model: FR1DG1<br>(NC200)) | Discussion of<br>difference |
|-------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------------------|
| Classification | 21CFR 880.2910 | 21CFR 880.2910 | Same |
| Product Code | FLL | FLL | Same |
| FDA Class | II | II | Same |
| Intended Use | Infrared Forehead Thermometer, model:<br>HS9802D is intended for the intermittent<br>measurement and monitoring of human body<br>temperature. The device is indicated for use<br>by people of all ages in the home. | The Microlife Non-Contact Infrared<br>Forehead Thermometer, Model FR1DG1<br>(NC200) is intended for the intermittent<br>measurement and monitoring of human<br>body temperature. The device is<br>indicated for use by people of all ages in<br>the home. | Same |
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| Principle of<br>operation | Measure temperature by reading infrared radiation emitting from the forehead when | Measure temperature by reading infrared radiation emitting from the forehead when | Same |
|---------------------------|-----------------------------------------------------------------------------------|-----------------------------------------------------------------------------------|------|
| | the | | |
| | thermometer is placed within few<br>centimeters of forehead. | the thermometer is placed within few<br>centimeters of forehead. | |
|----------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------|----------------------------------------------------|
| target<br>population | people of all ages | people of all ages | Same |
| Measurement<br>site | forehead | forehead | Same |
| Material of<br>Patient contact<br>components | Probe: ABS<br>Cap: PS<br>Liquid crystal display (LCD): Glass<br>ON/Scan button: ABS<br>Battery Cover (shell has same material):<br>ABS<br>Memory button: Silica gel | Housing and battery cover material:<br>ABS707<br>Patient-Contact Button material: PMMA | Different<br>(Discussion is<br>indicated in D1) |
| Biocompability<br>testing | Meets ISO 10993- 5<br>ISO 10993-10 | Meets ISO 10993- 5<br>ISO 10993-10 | Same |
| Environment | home | home | Same |
| Design | Handheld | Handheld | Same |
| Measurement<br>method | Infrared radiation detection | Infrared radiation detection | Same |
| Display Type | LCD | LCD | Same |
| Measurement<br>Mode | Forehead mode | Forehead mode | Same |
| Reference site | Oral | Oral | Same |
| Key | Two buttons (ON/Scan button, Memory<br>button) | Two buttons (M-button, START I/O<br>button) | Same |
| Scale selection | °C/°F | °C/°F | Same |
| Display unit | °C/°F | °C/°F | Same |
| High<br>temperature<br>warning | Yes | Yes | Same |
| Low battery<br>indicator | Yes | Yes | Same |
| Sensor Type | Thermopile | Thermopile | Same |
| Performance<br>Testing | Meets ASTM E1965-98 and ISO 80601-2-<br>56 | Meets ASTM E1965-98 and ISO 80601-<br>2-56 | Same |
| Electrical Safety | ANSI AAMI ES60601-1 | ANSI AAMI ES60601-1 | Same |
| EMC Meets | IEC 60601-1-2 | IEC 60601-1-2 | Same |
| Measuring<br>Range | 34.0 to 42.0 °C (93.2 to 107.6 °F). | 32.0-43.0 °C (89.6-109.4 °F) | Different<br>(Discussion is<br>indicated in D2) |
| Display<br>resolution | 0.1°F (0.1ć) | 0.1°F (0.1ć) | Same |
| Measuring<br>accuracy | ±0.3°C (0.5°F): 34.0 to 42.0 °C (93.2 to<br>107.6 °F). | ±0.2 °C: 35.0 ~ 42.0 °C<br>±0.3 °C: 34.0 ~ 34.9 °C, 42.1 ~ 43.0 °C | Different<br>(Discussion is<br>indicated in D3) |
| Measuring<br>Distance | < 2.5cm | < 5cm | Different<br>(Discussion is<br>indicated in D4) |
| Measurement<br>data memories | 6 sets memories | 30 sets memories | Different<br>(Discussion is<br>indicated in D5) |
| Backlight | Yes | Yes | Same |
| Auto-off time | 15 seconds | Approx. 1min second after last<br>measurement has been taken | Different<br>(Discussion is<br>indicated in D6) |
| Beeper indication | Yes | Yes | Same |
| Operation<br>Condition | 5-40ć;<br>20%-95%R.H., noncondensing | Ambient Temperature: 15°C~40°C<br>(59°F~104°F) Relative humidity:<br>15%~95%RH (noncondense) | Different<br>(Discussion is<br>indicated in D7) |
| Storage and<br>transportation<br>condition | -20 - 50ć;<br>10%-95%R.H., noncondensing, 70-106kPa | -25 ~ 55 °C (-13°F ~131°F) 15-95<br>% relative maximum humidity | Different<br>(Discussion is<br>indicated in D8) |
| Physical<br>dimension | 134x76.5x38 mm | 156.7 x 43 x 47 mm | Different<br>(Discussion<br>is<br>indicated in D9) |
| High temperature<br>alarm | Yes | Yes | Same |
| Power source | 3 V d.c. (2X AAA batteries) | 3.0V DC with 2 AAA batteries | Same |
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### The discussion of differences exist between the subject and predicate device is listed in following:
D1: The proposed device has been validated for cytotoxicity per ISO 10993- 5 and Irritation as well as Sensitization per ISO 10993-10. The difference will not affect the safety and effectiveness.
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- D2&D3: The proposed device conducted performance testing in accordance with ASTM E1965-98, ISO 80601-2-56 to demonstrate the difference does not affect the safety and effectiveness.
- D4: The Measuring Distance range of proposed device is in the range of the predicate device. The difference will not affect the safety and effectiveness.
- D5: The different memory number will not affect the safety and effectiveness.
- D6: The different Auto-off time will not affect the safety and effectiveness.
- D7: The operating condition of subject device has passed the safety test and comply with the requirement of ASTM E1965-98, and the subject device complies the standard IEC 60601-1-11, so the difference between the operating conditions of subject device and predicate device will not affect the safety and effectiveness.
- D8: The operating condition of subject device has passed the tests of ASTM E1965-98 and ISTA 2A, so the difference between the operating conditions of subject device and predicate device will not affect the safety and effectiveness.
- D9: The different dimension will not affect the safety and effectiveness.
#### Discussion of Non-Clinical Tests Performed for Safety and 7.
### effectiveness are as follows
The recognized consensus standards for safety of medical electrical equipment: ANSI AAMI ES60601-1, IEC 60601-1-11 for safety, IEC 60601-1-2 for electromagnetic compatibility, ASTM E 1965-98 and ISO 80601-2-56 for performance and IEC 62304 are complied, and see below table for details:
| Standards | Standards Name |
|--------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| ANSI AAMI ES60601-<br>1:2005/(R)2012 and A1:2012 | Medical Electrical Equipment - Part 1: General Requirements<br>For Basic Safety And Essential Performance |
| IEC 60601-1-2: 2014 | Medical Electrical Equipment -- Part 1-2: General<br>Requirements<br>For Basic Safety And Essential Performance -- Collateral<br>Standard: Electromagnetic Disturbances -- Requirements And<br>Tests |
| IEC 60601-1-11: 2015 | Medical Electrical Equipment - Part 1-2: General Requirements<br>For Basic Safety And Essential Performance - Collateral<br>Standard: Electromagnetic Disturbances - Requirements And<br>Tests |
| ISO 80601-2-56:<br>2017+A1:2018 | Medical Electrical Equipment - Part 2-56: Particular<br>Requirements For Basic Safety And Essential Performance Of<br>Clinical Thermometers For Body Temperature Measurement. |
| ASTM E1965-98:2016 | Standard Specification For Infrared Thermometers For<br>Intermittent Determination Of Patient Temperature |
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| IEC 62304:2006+A1:2015 | Medical device software - Software life cycle processes |
|------------------------|----------------------------------------------------------------------------------------------------|
| ISO 10993-5:2009 | Biological evaluation of medical devices - Part 5: Tests for in<br>vitro cytotoxicity |
| ISO 10993-10:2010 | Biological evaluation of medical devices - Part 10: Tests for<br>irritation and skin sensitization |
Software verification and validation was performed for the subject device in accordance with Guidance for the Content of Premarket Submissions for Software Contained in Medical Devices -Guidance for Industry and FDA Staff, May 2005.
## 8. Discussion of Clinical Accuracy Testing Performed
The clinical accuracy test report and data analysis followed the requirements of the ASTM E 196598 (2016).
The clinical accuracy testing evaluated 105 of subjects, division of all subjects into (1) infantsnewborn up to one year, (2) children- greater than one to five years; and (3) adults-greater than five years ol. The test data showed the clinical accuracy of the subject device complied with the requirements of ASTM E1965-98 (2016).
Summary of reference equipment:
| Name | Digital Thermometer | Microlife Non-Contact Infrared<br>Forehead Thermometer |
|------------------|-------------------------------------|--------------------------------------------------------|
| Model | KFT-03 | FR1DG1 (NC200) |
| Manufacturer | Kangfu Medical Equipment<br>Factory | Microlife Intellectual Property<br>GmbH, Switzerland |
| Measuring Method | Contact | Non-Contact Infrared<br>Forehead |
| K Number | K182652 | K191829 |
## 9. Conclusions
Based on performance testing, comparison and analysis, the subject device Infrared Forehead Thermometer, model HS-9802D is substantially equivalent to the predicate device.
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Part 1 — Search, results, and everyday workflows 16 min
Part 2 — Embeddings: the galaxy map 3 min
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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Exact vs. fuzzy search: what's the difference?
Exact matches on the literal phrase (prefix search works, suffix does not). Fuzzy matches on the meaning and intent of the phrase rather than the exact words. Hover over the badge on any row to see why it matched.
You search "coronary artery calcification" and want only software devices with AI. What two filters do you apply?
Narrow by SaMD (software-only devices), then narrow by AI/ML (devices with AI).
2. The results table
Scroll right in the results table. The intended use is extracted for you — no need to open the PDF. The device story gives a high-level snapshot of what the device does and how it's used. The AI Performance sub-table shows each output name, acceptance criteria, observed values, and development/test dataset descriptions — the same format Innolitics uses for regulatory strategy outputs, and the fastest high-level fingerprint of an AI device. It is AI-generated but has been very reliable in practice.
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Scroll right in the search results table. The intended use column is extracted for you; no need to dig into the 510(k) summary PDF.
What does the AI Performance sub-table show, and why is it useful?
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.
3. Judging fuzzy relevance
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.
How do you judge how far down fuzzy search results to go?
Use the relevancy signals: the fuzzy badge explanations, the intended use column, and whether the target output (e.g., Cobb angle) still appears in the AI Performance sub-table. Once it stops appearing, results are trailing off in relevancy.
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Reading rule for every project: how many summaries do you read in full?
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5. Side-by-side comparison
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.
What does the side-by-side PDF viewer mode do?
Select multiple devices, open the PDF viewer tab, and ask one question (e.g., "Describe the training data"). It queries all selected devices simultaneously with citations, so you can compare and contrast quickly.
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With rows selected, go to the Collections tab and create a labeled collection (e.g., "Cobb Angle Project"). Reload that selection any time — before a client call, pull up the collection and ask questions across all of its devices at once.
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Browse product codes and regulation numbers, read the identification text and special controls, browse sibling product codes, open device PDFs on the right, and search by product code or regulation number at the top of the tree.
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Click Show Chart and segment by regulation number (or product code) to see which regulations dominate your result set. Clicking a regulation takes you into the regulations tree. Great for spotting that most matches are, say, hardware laparoscopic devices — a cue to go back and filter.
How do you see which regulations dominate a search result set?
Click "Show Chart" and segment by Regulation Number. Clicking a regulation takes you to the regulations tree.
9. The predicate graph
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.
In the predicate graph, why are commonly predicated devices worth reading?
A lot of people predicated them for a reason. Clicking a node traces parents and children, and selections from search carry over pre-selected.
10. Embeddings: the galaxy map
The Embeddings tab plots every matching document in a 2-D "galaxy map" where semantically similar devices cluster together. Hover or click clusters to explore, and let AI label the clusters for you. Embeddings beat product codes for grouping: two devices can carry different product codes (LLZ vs. QIH) yet do the same thing — the embedding captures the meaning of the intended use and device story. This is also exactly how retrieval-augmented generation (RAG) works under the hood, and it makes a great visual on client calls.
Try it yourself
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.