Shenzhen Fansizhe Science and Technology Co., Ltd.
Product Code
OHT · General, Plastic Surgery
Decision Date
Jun 30, 2022
Decision
SESE
Submission Type
Special
Regulation
21 CFR 878.4810
Device Class
Class 2
Attributes
Therapeutic
Indications for Use
The Intense Pulsed Light (IPL) System is an over-the-counter device intended for the removal of unwanted body hair.
Device Story
Over-the-counter IPL device for permanent hair reduction; utilizes Xenon Arc Flashlamp to emit light (510nm-1200nm) below skin surface; thermal effect reduces hair growth without cutting or pulling. Includes main unit, external power adapter, and goggles. Features ice-cool technology for comfort. Operated by user at home via finger switch or auto-emission mode. Output energy and fluence parameters are controlled by internal software. Device provides non-invasive hair removal; benefits include minimal pain and convenience of home use.
Clinical Evidence
No clinical data. Bench testing only, including electrical safety, EMC, photobiological safety, and biocompatibility (ISO 10993-5, ISO 10993-10).
Technological Characteristics
Xenon Arc Flashlamp source; 510-1200nm wavelength. Materials: PC (T013C shell), ABS (T015C/T015K shell), aluminum (cold compress panel). Powered by external 24Vdc adapter. Standards: ANSI AAMI ES60601-1, IEC 60601-1-2, IEC 60601-1-11, IEC 60601-2-83, IEC 62471. Software life cycle per IEC 62304.
Indications for Use
Indicated for removal of unwanted body hair in adult patients.
Regulatory Classification
Identification
(1) A carbon dioxide laser for use in general surgery and in dermatology is a laser device intended to cut, destroy, or remove tissue by light energy emitted by carbon dioxide.(2) An argon laser for use in dermatology is a laser device intended to destroy or coagulate tissue by light energy emitted by argon.
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June 30, 2022
Shenzhen Fansizhe Science And Technology Co., Ltd % You Yijie Manager Qimmiq Medical Consulting Service Co., Ltd. RM.406, Building C, Run Science Park, No.18 Shenzhou Road, Huangpu Guangzhou, Guangdong 510663 China
Re: K221569
Trade/Device Name: Intense Pulsed Light (IPL) System, model: T013C, T015K Regulation Number: 21 CFR 878.4810 Regulation Name: Laser Surgical Instrument For Use In General And Plastic Surgery And In Dermatology Regulatory Class: Class II Product Code: OHT, ONF Dated: May 15, 2022 Received: May 31, 2022
Dear You Yijie:
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.
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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 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 and Part 809); 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 mediation-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.
Jianting Wang Acting Assistant Director DHT4A: Division of General Surgery Devices OHT4: Office of Surgical and Infection Control Devices Office of Product Evaluation and Quality Center for Devices and Radiological Health
Enclosure
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#### Indications for Use
510(k) Number (if known)
K221569
Device Name
Intense Pulsed Light (IPL) System, model:T013C, T015C, T015K
Indications for Use (Describe)
The Intense Pulsed Light (IPL) System is an over-the-counter device intended for the removal of unwanted body hair.
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: | Shenzhen Fansizhe Science And Technology Co.,<br>Ltd |
| Address: | 2nd and 3rd floors, No.17, Xinfa 2nd Road, Xinqiao<br>Community, Xinqiao Street, Baoan District,<br>Shenzhen, Guangdong, China |
| Contact Person of applicant: | |
| Name: | Endang Cheng |
| Address: | 2nd and 3rd floors, No.17, Xinfa 2nd Road, Xinqiao<br>Community, Xinqiao Street, Baoan District,<br>Shenzhen, Guangdong, China |
| TEL: | +86 0755-85275266 |
| Email: | ChengEndang1001@163.com |
| Contact Person of the Submission: | |
| Name: | You Yijie |
| Address: | RM.406, Building C, Run Science Park, No.18<br>Shenzhou Road, Huangpu, Guangzhou,<br>Guangdong 510663 P.R.China |
| TEL: | (+86)020-82245821 |
| FAX: | (+86)020-82245821 |
| Email: | jet.you@qimmiq-med.com |
Date prepared: May 13, 2022
# 2. Device Information
| Trade Name: | Intense Pulsed Light (IPL) System |
|--------------------------|--------------------------------------------------------------------------|
| Model: | T013C, T015C, T015K |
| Classification name: | Light Based Over-The-Counter Hair Removal |
| Common or Usual Name: | Powered Light Based Non-Laser Surgical Instrument With<br>Thermal Effect |
| Review panel: | General & Plastic Surgery |
| Product code: | OHT |
| Subsequent Product code: | ONF |
| Regulation Class: | II |
| Regulation Number: | 878.4810 |
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## 3. Predicate Device Information
| 510(k) submitter/holder: | Shenzhen Fansizhe Science And Technology<br>Co., Ltd |
|--------------------------|--------------------------------------------------------------------------|
| 510(K) Number: | K212881 |
| Trade Name: | Intense Pulsed Light (IPL) System |
| Model: | T012C |
| Classification name: | Powered Light Based Non-Laser Surgical<br>Instrument With Thermal Effect |
| Review panel: | General & Plastic Surgery |
| Product code: | OHT, ONF |
| Regulation Class: | II |
| Regulation Number: | 878.4810 |
### 4. Device description
Intense Pulsed Light (IPL) System is a small over-the-counter device for the permanent reduction of hair growth based on Intense Pulsed Light (IPL). It works below the skin's surface and does not involve any cutting or pulling, reducing hair growth with minimal pain. The Intense Pulsed Light (IPL) System includes main unit, an adaptor and goggles. The device is only powered by the external power adapter and its IPL emission activation is by a switch or auto light emission.
Based on the ice-cool technology, the hair removal device with ice-cold compress functions.
#### 5. Indications for Use
The Intense Pulsed Light (IPL) System is an over-the-counter device intended for the removal of unwanted body hair.
#### 6. Summary of technological characteristics of device
| SE<br>Comparisons | Subject device<br>(Intense Pulsed Light (IPL) System,<br>model: T013C, T015C, T015K) | Predicate device<br>(Intense Pulsed Light (IPL)<br>System,<br>model: T012C) | Discussion of<br>difference |
|--------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| 510K Number | K221569 | K212881 | / |
| Classification | 21CFR 878.4810 | 21CFR 878.4810 | Same |
| Product Code | OHT, ONF | OHT, ONF | Same |
| FDA Class | II | II | Same |
| Model | T013C, T015C, T015K | T012C | / |
| Indications for Use | The Intense Pulsed Light (IPL) System is<br>an over-the-counter device intended for<br>the removal of unwanted body hair. | The Intense Pulsed Light (IPL)<br>System is an over-the-counter<br>device intended for the removal of<br>unwanted body hair. | Same |
| Type of use | Over-The-Counter Use | Over-The-Counter Use | Same |
| Environment of Use | Home use | Home use | Same |
| Design | Hand-hold | Hand-hold | Same |
| Patient Population | Adult | Adult | Same |
| Material of Patient<br>contact<br>components | The patients' skin or operator contact:<br>T013C:<br>PC for shell(Lamp shell, button, light<br>guide column, right shell, face shell,<br>front upper shell), aluminum for cold<br>compress panel<br>T015C&T015K: ABS for ABS shell and<br>buttons, aluminum for cold compress<br>panel | The patients' skin or operator<br>contact:<br>ABS for ABS shell and buttons,<br>aluminum for cold compress<br>panel | The material of<br>T015C and<br>T015K is<br>identical with<br>predicate device,<br>T013C is<br>different with<br>predicate device,<br>(Discussion is<br>indicated in D1) |
| Biocompatibility<br>testing | 1.Type of contact: direct contact for<br>users and patients.<br>2.Nature of body contact category:<br>Surface Contact class: A (<24 h)<br>3.Meets ISO 10993- 5, ISO 10993-10 | 1.Type of contact: direct contact<br>for users and patients.<br>2.Nature of body contact<br>category: Surface Contact class:<br>A (<24 h)<br>3.Meets ISO 10993- 5, ISO 10993-<br>10 | Same |
| Single Patient,<br>multi-use | Yes | Yes | Same |
| Patient Interface | Buttons | Buttons | Same |
| Technology | Intense Pulse Light (IPL) | Intense Pulse Light (IPL) | Same |
| Dimensions | 171×76×50mm for T013C<br>206×113×91.5mm for T015C<br>206×113×91.5mm for T015K | 148×190×56mm | Different (Discussi<br>on is indicated in<br>D2) |
| Power source | an external power supply<br>Input: 100-240V ~ 50/60Hz, 1.5A Max.<br>Output: 24Vdc 2.2A | an external power supply<br>Input: 100-240V ~ 50/60Hz, 1.5A<br>Max. Output: 24Vdc 2.2A | Same |
| Light source | Xenon Arc Flashlamp | Xenon Arc Flashlamp | Same |
| Wavelength | 510nm~1200nm | 510nm~1200nm | Same |
| Spot Size | 4cm² for T013C<br>3.5cm² for T015C<br>3.7cm² for T015K | Light outlet: 4cm²<br>Lamp cover: 1.85cm² | Minor<br>different(Discussi<br>on is indicated in<br>D3) |
| Max. Fluence<br>(J/cm²) | 4.03J/cm² for T013C<br>4.69J/cm² for T015C<br>3.6J/cm² for T015K | 5.18J/cm²<br>(Attach Probe Cover:3.41J/cm²) | Different (Discussi<br>on is indicated in<br>D4) |
| Pulse duration | 4~12ms for T013C and T015C<br>3~10ms for T015K | 4~12ms | The parameter of<br>T013C and<br>T015C is<br>identical with<br>predicate device,<br>T013K is minor<br>different with<br>predicate device<br>(Discussion is<br>indicated in D5) |
| Output energy | 3.8J~16.1J for T013C<br>4.1J~16.4J for T015C<br>5.2J~13.4J for T015K | 5.5J~20.7J | Different(Discussion is indicated in D6) |
| Pulsing<br>Control | Finger switch | Finger switch | Same |
| Output<br>Channel | One channel | One channel | Same |
| Delivery | Direct Illumination to Tissue | Direct Illumination to Tissue | Same |
| Software<br>Control | Yes | Yes | Same |
| Operating<br>environment | Temperature: 5-30 °C<br>Relative humidity: 20-90%,<br>without condensation<br>Atmospheric Pressure: 70 kPa to 106 kPa | Temperature: 5-30 °C<br>Relative humidity: 20-90%,<br>without condensation<br>Atmospheric Pressure: 70 kPa to 106 kPa | Same |
| Storage and<br>transportation<br>environment | Temperature: -20 -55 °C<br>Relative humidity: 5-95%,<br>without condensation<br>Atmospheric Pressure: 70 kPa to 106 kPa | Temperature: -20 -55 °C<br>Relative humidity: 5-95%,<br>without condensation<br>Atmospheric Pressure:70 kPa to 106 kPa | Same |
| Electrical<br>safety, EMC,<br>Biological<br>Evaluation | ANSI AAMI ES60601-1<br>IEC 60601-1-2<br>IEC 60601-1-11<br>IEC 60601-2-83<br>IEC 62471<br>ISO 10993-5<br>ISO 10993-10 | ANSI AAMI ES60601-1<br>IEC 60601-1-2<br>IEC 60601-1-11<br>IEC 60601-2-83<br>IEC 62471<br>ISO 10993-5<br>ISO 10993-10 | Same |
#### compared to the predicate devices (K212881)
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Based on the comparison chart above, there have been no changes to the intended use or product specifications of subject device from those of the predicate device, the fundamental operating principle of the device is identical to that of the predicate device. The change associated with the updated industrial design which include a different PCB layout and some different hardware components, patient contact material, and minor different specifications, have been verified and validated via laboratory testing. Through the verification and validation process, it has been shown that the differences do not raise new questions of safety and effectiveness.
#### The discussion of differences exist between the subject and predicate devices is listed in following:
- D1: The material of T015C and T015K is identical with predicate device,T013C is different with predicate device. The subject devices have been validated for cytotoxicity per ISO 10993- 5 and Irritation as well as Sensitization per ISO 10993-10 with positive results, therefore, the material difference of subject device with Predicate device TB-1755 (K183217) do not raise new questions of safety and effectiveness.
- D2: The difference of dimensions will not affect the safety and effectiveness.
- D3: Spot Size of subject device is same or similar with predicate device. The safety and effectiveness of the subject device is verified via tests according to ANSI AAMI ES60601-1, IEC60601-1-2, IEC60601-1-11, IEC 62471 and IEC 60601-2-83, so the differences do not affect the safety and effectiveness.
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- D4: Max. Fluence of subject device is within the range of predicate device. The safety and effectiveness of the subject device is verified via tests according to ANSI AAMI ES60601-1, IEC60601-1-2, IEC60601-1-11, IEC 62471 and IEC 60601-2-83, so the differences do not affect the safety and effectiveness.
- D5: Pulse duration of T013C and T015C is identical with predicate device,T013K is minor different with predicate device, but similar and within the range of predicate device. The safety and effectiveness of the subject device is verified via tests according to ANSI AAMI ES60601-1, IEC60601-1-2, IEC60601-1-11, IEC 62471 and IEC 60601-2-83, so the differences do not affect the safety and effectiveness.
- D6: Output energy of subject device is within the range of predicate device. The safety and effectiveness of the subject device is verified via tests according to ANSI AAMI ES60601-1, IEC60601-1-2, IEC60601-1-11, IEC 62471 and IEC 60601-2-83, so the differences do not affect the safety and effectiveness.
# 7. Discussion of Non-Clinical Tests Performed for Safety and
### effectiveness are as follows
The modifications to the device have been designed and assessed under design control processes compliant with FDA 21 CFR 820. Based on modification clearance, a risk analysis was conducted to assess the impact of the changes on the subject device using internal design control procedures and a fault tree analysis described in the FDA-recognized version of ISO 14971.
These risks were mitigated using planned measures that included testing to recognized FDA consensus standards. Changes in software were verified and validated using the software development process.
Non-clinical testing as below table has been performed to demonstrate that the safety and efficacy of the device remains substantially equivalent to its predicate.
| Standards | Standards Name | Results |
|-----------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------|
| ANSI AAMI ES60601-<br>1:2005/(R)2012 and<br>A1:2012 | Medical Electrical Equipment -<br>Part 1: General Requirements<br>For Basic Safety And Essential<br>Performance | Pass |
| IEC 60601-1-2: 2014 | Medical Electrical Equipment --<br>Part 1-2: General Requirements<br>For Basic Safety And Essential<br>Performance -- Collateral<br>Standard: Electromagnetic<br>Disturbances -- Requirements<br>And Tests | Pass |
| IEC 60601-1-11: 2015 | Medical Electrical Equipment -<br>Part 1-2: General Requirements<br>For Basic Safety And Essential<br>Performance - Collateral<br>Standard: Electromagnetic<br>Disturbances - Requirements<br>And Tests | Pass |
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| IEC 60601-2-83:2019 | Medical electrical equipment<br>Part 2-83:Particular<br>requirements for the basic<br>safety and essential<br>performance of home light<br>therapy equipment | Pass |
|---------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------|------|
| IEC 62471: 2006 | Photobiological safety of lamps<br>and lamp systems | Pass |
| ISO 10993-5:2009 | Biological evaluation of medical<br>devices - Part 5: Tests for in<br>vitro cytotoxicity | Pass |
| ISO 10993-10:2010 | Biological evaluation of medical<br>devices - Part 10: Tests for<br>irritation and skin sensitization | Pass |
| IEC<br>62304:2006+A1:2015 | Medical device software -<br>Software life cycle processes | Pass |
# 8. Discussion of Clinical Accuracy Testing Performed
There was no clinical testing performed.
## 9. Conclusions
A risk analysis was performed to identify risks associated with the device modifications. Verification and validation tests have been performed to demonstrate that the identified risks have been mitigated. Thus, based on the information provided in this premarket notification, it is concluded that the modified device Intense Pulsed Light (IPL) Systems, model: T013C, T015C, T015K are substantially equivalent to the legally marketed predicate device.
Two short videos show you everything — or skip straight to the written tutorial if you'd rather read. You can reopen this any time from the Tutorial button in the top bar.
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.
Use the checkboxes above the results to narrow: SaMD keeps only software-only devices, AI / ML keeps only devices with AI.
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.
Where do you find a device's intended use without opening the PDF?
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.
4. Device detail page: chat and citations
Click a device name to open its detail page: device facts on the left, a chat window on the right. Ask something like "Describe the training data". The answer carries little citation bubbles — click one to jump to the highlighted passage in the source PDF, so you can verify every AI answer against the document. There's also a Download PDF button for sharing.
How do you verify an AI chat answer on the device detail page?
Click the citation bubbles to jump to the relevant highlight in the source document.
Reading rule for every project: how many summaries do you read in full?
At least the three most relevant 510(k) or De Novo summaries, in full. After that, use targeted chat questions to confirm your memory quickly. The tool supports this professional habit — it doesn't replace it.
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.
6. Collections
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.
How do you save a set of selected devices for later use?
Select the rows, go to the Collections tab, and create a labeled collection (e.g., "Cobb Angle Project"). You can reload the selection anytime and carry it into the PDF viewer and other tabs that support selections.
7. Product codes and the regulations tree
Click a product code in the results to jump to it in the regulations tree — identification text, sibling product codes, and devices you can open in a PDF viewer on the right. Click a regulation number to see its identification, special controls, and related product codes. You can also search by product code or regulation number at the top of the tree. Always read the special controls if any exist for your device — it broadens your search and sharpens pre-kickoff research.
What can you do from the regulations tree view?
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.
8. Chart view
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.