K171821 · Heat IN A Click · NFO · Apr 26, 2018 · Neurology
Device Facts
Record ID
K171821
Device Name
2 Face / Face Evolution
Applicant
Heat IN A Click
Product Code
NFO · Neurology
Decision Date
Apr 26, 2018
Decision
SESE
Submission Type
Traditional
Regulation
21 CFR 882.5890
Device Class
Class 2
Attributes
Therapeutic
Indications for Use
2 Face / Face Evolution is a hand-held device for over-the counter aesthetic purposes. (1) The EMS mode is indicated for facial stimulation; (2) The Photon mode: The red light is intended for the treatment of periorbital wrinkles and the blue light is intended for the treatment of the mild to moderate inflammatory acne.
Device Story
2 Face / Face Evolution is a handheld, multifunctional beauty instrument for home use. It features two modes: EMS (microcurrent) and Photon (LED light). EMS mode delivers microcurrents via a treatment probe to provide facial stimulation; requires conductive gel. Photon mode emits red light (630nm) for periorbital wrinkle treatment and blue light (415nm) for mild to moderate inflammatory acne. Device includes a main unit, charger, and manual. It provides 4 intensity levels and features automatic shut-off. Users operate the device by applying the probe to the face. Output is controlled by an internal microprocessor. Benefits include aesthetic facial toning and skin condition management.
Materials: ABS plastic and stainless steel. Sensing/Actuation: Microcurrent stimulation and LED light emission (Red 630nm, Blue 415nm). Energy: DC 3.7V 2200mAh battery. Form factor: Handheld (158mm x 56mm x 51.5mm). Connectivity: Standalone. Software: Microprocessor-controlled. Sterilization: Not applicable (non-sterile).
Indications for Use
Indicated for individuals with periorbital wrinkles and individuals with mild to moderate inflammatory acne for over-the-counter aesthetic facial stimulation and light-based treatment.
Regulatory Classification
Identification
A transcutaneous electrical nerve stimulator for pain relief is a device used to apply an electrical current to electrodes on a patient's skin to treat pain.
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Image /page/0/Picture/0 description: The image shows 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, with the letters "FDA" in a blue square, followed by the words "U.S. FOOD & DRUG" in blue, and then the word "ADMINISTRATION" in a smaller font below.
April 26, 2018
Heat In A Click % Cassie Lee Manager Guangzhou GLOMED Biological Technology Co., Ltd. Suite 306, Kecheng Mansion, No.121 Science Road Guangzhou Science Park Guangzhou, Guangdong 510006 CN
Re: K171821
Trade/Device Name: 2 Face / Face Evolution Regulation Number: 21 CFR 882.5890 Regulation Name: Transcutaneous Electrical Nerve Stimulator For Pain Relief Regulatory Class: Class II Product Code: NFO, OHS, OLP Dated: March 22, 2018 Received: March 26, 2018
Dear Cassie Lee:
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. 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 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
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801); medical device reporting of medical device-related adverse events) (21 CFR 803); good manufacturing practice requirements as set forth in the quality systems (QS) regulation (21 CFR Part 820); 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 http://www.fda.gov/MedicalDevices/Safety/ReportaProblem/default.htm for the CDRH's Office of Surveillance and Biometrics/Division of Postmarket Surveillance.
For comprehensive regulatory information about mediation-emitting products, including information about labeling regulations, please see Device Advice (https://www.fda.gov/MedicalDevices/DeviceRegulationandGuidance/) and CDRH Learn (http://www.fda.gov/Training/CDRHLearn). 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 (http://www.fda.gov/DICE) for more information or contact DICE by email (DICE@fda.hhs.gov) or phone (1-800-638-2041 or 301-796-7100).
Sincerely.
Vivek J. Pinto -S
for Carlos L. Peña, PhD, MS Director Division of Neurological and Physical Medicine Devices Office of Device Evaluation Center for Devices and Radiological Health
Enclosure
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# Indications for Use
510(k) Number (if known) K171821
Device Name 2 Face / Face Evolution
Indications for Use (Describe)
2 Face / Face Evolution is a hand-held device for over-the counter aesthetic purposes.
(1) The EMS mode is indicated for facial stimulation;
(2) The Photon mode: The red light is intented for the treatment of periorbital wrinkles and the blue light is intended for the treatment of the mild to moderate inflammatory acne.
| Type of Use (Select one or both, as applicable) | <span> Over-The-Counter Use (21 CFR 801 Subpart C) </span> |
|-------------------------------------------------|-----------------------------------------------------------------|
|-------------------------------------------------|-----------------------------------------------------------------|
_ | Prescription Use (Part 21 CFR 801 Subpart D)
|X | Over-The-Counter Use (21 CFR 801 Subpart C)
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## Chapter 5. 510(k) Summary
## 510(k) Summary
This summary of 510(K) safety and effectiveness information is being submitted in accordance with the requirement of 21 CFR 807.92.
## Date of the summary prepared: April 26, 2018
## 1. Submitter's Information
Company Name: Heat In A Click Address: 1975 Tigertail Blvd Dania Florida 33034 USA Phone: 1(954)518-9777 Fax No.: 1(954)320-7984 Contact Person (including title): Guy Levi (CEO) E-mail: hagar@palmmassager.com
## Application Correspondent:
Contact Person: Ms. Cassie Lee Guangzhou GLOMED Biological Technology Co., Ltd. Address: Suite 306, Kecheng Mansion, No.121 Science Road, Guangzhou Science Park, Guangzhou 510663, China Tel: +86-20-61099984 Email: regulatory@glomed-info.com
## 2. Subject Device Information
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Heat In A Click Sponsor: 2 Face / Face Evolution, Model: 2 Face / Face Evolution Subject Device: Document Name: FDA 510(k) Submission Report
Type of 510(k): Traditional
Common Name: Stimulator, Transcutaneous Electrical, Aesthetic Purposes; Light Based Over the Counter Wrinkle Reduction, over-the counter powered light based laser for acne Review Panel: Neurology; General & Plastic Surgery
Trade Name: 2 Face / Face Evolution (Model: 2 Face / Face Evolution)
Classification Name: Stimulator, Transcutaneous Electrical, Aesthetic Purposes; Light Based Over the
Counter Wrinkle Reduction, over-the counter powered light based laser for acne
Review Panel: Neurology: General & Plastic Surgery
Product code: NFO, OHS, OLP
Regulation Number: 882.5890, 878.4810
Requlation Class: 2
## 3. Predicate Device Information
| Sponsor | Carol Cole Company | Li-Tek Electronics<br>Technologies |
|-----------------------|--------------------|------------------------------------|
| Device Name and Model | NUFACE® Plus | LED Phototherapy (PL-120) |
| 510(k) Number | K103472 | K162098 |
| Product Code | NFO | OLP, OHS |
| Regulation Number | 882.5890 | 878.4810 |
| Regulation Class | II | II |
#### 4. Device Description
2 Face / Face Evolution (Model: 2 Face / Face Evolution) is consists of a Main Unit, conductive gel, charger and user manual, it's a multifunctional comprehensive beauty instrument. It's combined with the most effective two kinds of techniques of internationally recognized skin care:
The EMS Mode is intended for facial stimulation for aesthetic purposes. It produces microcurrent discharged through the EMS Mode treatment probe. Microcurrent is an aesthetic modality providing electric current in millionths of an ampere. The EMS mode is indicated for aesthetic facial stimulation and requires the use of conductive gel. Photon mode: The red light is intended for the treatment of periorbital wrinkles, and the blue light is intended for the treatment of the mild to moderate inflammatory acne. It emits energy in the red spectrum for the treatment of periorbital wrinkles. The PHOTON Mode treatment probe is designed for contact with the face. The device continually pulses the light output, and provides 4 kinds of output intensity level.
## 5. Intended Use / Indications for Use
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| Sponsor: | Heat In A Click |
|-----------------|---------------------------------------------------------|
| Subject Device: | 2 Face / Face Evolution, Model: 2 Face / Face Evolution |
| Document Name: | FDA 510(k) Submission Report |
2 Face / Face Evolution is a hand-held device for over-the counter aesthetic purposes.
(1) The EMS mode is indicated for facial stimulation;
(2) The Photon mode: The red light is intended for the treatment of periorbital wrinkles and the blue light is intended for the treatment of the mild to moderate inflammatory acne.
## 6. Test Summary
2 Face / Face Evolution has been evaluated the safety and performance by lab bench testing as following:
- AAMI / ANSI / ISO 10993-5:2009(R) 2014, biological evaluation of medical devices -- part 5: tests for � in vitro cytotoxicity. (Biocompatibility).
- ◆ ISO 10993-10 Third Edition 2010-08-01, biological evaluation of medical devices - part 10: tests for irritation and skin sensitization. (Biocompatibility).
- � IEC / EN 60601-1-2: 2014-02, Medical electrical equipment - Part 1-2: General requirements for basic safety and essential performance - collateral standard: Electromagnetic Compatibility.
- � IEC 60601-2-11 (First Edition):2010, 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.
- � IEC 60601-2-57 (First Edition): 2011 for use in conjunction with IEC 60601-1:2005, Medical electrical equipment -- Part 2: Particular requirements for the basic safety and essential performance of nonlaser light source equipment intended for therapeutic, monitoring and cosmetic/aesthetic use
- ◆ IEC 60601-1-6: 2010 (Third Edition), Medical electrical equipment - Part 1-6 General requirements for safety - Collateral Standard: Usability
- � IEC 60601-2-10: 2012 (Second Edition), medical electrical equipment -- part 2-10: particular requirements for the basic safety and essential performance of nerve and muscle stimulators. (Neurology)
- � IEC 62133 Edition 2.0 2012-12, Secondary Cells And Batteries Containing Alkaline Or Other Non-Acid Electrolytes - Safety Requirements For Portable Sealed Secondary Cells, And For Batteries Made From Them, For Use In Portable Applications
- � IEC 62366: 2007 (First Edition) + A1: 2014, Medical devices - Application of usability engineering to medical devices
- � IEC 62304: 2006 (First Edition), Medical device software, Software life- cycle processes.
## 7. Comparison to predicate device and conclusion
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Compare with predicate device is very similar in design principle, intended use, indications for use, functions, material and the applicable standards. The differences between subject device and predicate device do not raise and new questions of safety or effectiveness.
| Elements of<br>Comparison | Subject Device | Predicate Device | Remark | | NiMH batteries | Li battery | Note 2 | |
|--------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------|--------------|-----------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------|-------------------------------------------------------------|--------------|
| Manufacturer | Heat In A Click | Carol Cole<br>Company | -- | Average DC current through electrodes when device is on but no pulses are being applied | 0A | 0A | -- | SE |
| Device Name<br>and Model | 2 Face / Face<br>Evolution | NuFace® Plus | -- | Number of Output channels | 2 | 1 | -- | SE<br>Note 2 |
| 510(k) Number | K171821 | K103472 | -- | Regulated Current or Regulated Voltage? | Both | Both | -- | SE |
| Product Code | NFO, OHS, OLP | NFO | SE | Software/Firmware/Microprocessor Control? | Yes | Yes | Yes | SE |
| Indications for<br>Use | 2 Face / Face<br>Evolution is a hand-<br>held device for over-<br>the counter aesthetic<br>purposes.<br>(1) The EMS mode is<br>indicated for facial<br>stimulation;<br>(2) The Photon mode:<br>The red light is<br>intended for the<br>treatment of periorbital<br>wrinkles and the blue<br>light is intended for the<br>treatment of the mild to<br>moderate inflammatory<br>acne. | The NuFace® Plus<br>Facial Toning<br>Device is intended<br>for facial<br>stimulation and is<br>indicated for over-<br>the-counter<br>cosmetic use. | SE<br>Note 1 | Automatic Overload Trip? | No | No | Yes | SE |
| Anatomical<br>Sites | Entire Face | Entire Face | SE | Automatic Shut Off | Yes | Yes | Yes | SE |
| Design | Hand-held device | Hand-held device | SE | User Override Control? | Yes | Yes | Yes | SE |
| Target<br>Population | Individuals with<br>periorbital wrinkles,<br>Individuals with mild<br>to moderate<br>inflammatory acne | Individuals seeking<br>facial simulation for<br>aesthetic purposes | SE | Indicator | EMS Mode intensity Indicator lights, Photon Mode working indicator lights, Photon Mode Indicator lights, Charging Indicator | Indicates on/off status, low battery and voltage / current level. | -- | SE<br>Note 2 |
| Environment of<br>Use | Home | Home | SE | Time Range (minutes) | EMS Mode (5 minutes) Photon Mode (5~7 minutes) | 21 minutes | 3 minutes per target area; 2 treatment per week for 6 weeks | SE<br>Note 2 |
| Method of Line<br>current<br>Isolation | Type BF | Type BF | SE | Wavelengths | Red Light (630nm±3nm Wavelength), Blue Light (415nm±3nm Wavelength) | -- | Blue light:<br>415nm±3nm<br>Red light:<br>630nm±3nm | SE<br>Note 3 |
| Main Unit<br>Weight | 200g | 9oz without<br>charging base | SE<br>Note 2 | LED power | 0.1 W | -- | 0.1 W | SE |
| Dimensions of<br>device (inch)[W<br>x LxD] | 158mm*56mm*51.5<br>mm | 3"x 5.25"x 1.25" | SE<br>Note 2 | Energy emitted during the treatment | 1050J | -- | 1080J | SE<br>Note 3 |
| Housing<br>Materials of<br>main unit | ABS Plastic &<br>Stainless Steel | Thermo Plastic | SE<br>Note 2 | The distance between the LEDs to treatment treatment surface | 2-3 cm | -- | 2-3 cm | SE |
| Power Source | DC 3.7V 2200mAh | 4 rechargeable AA | SE | Irradiation area | 26cm²±5% | -- | 30cm²±5% | SE<br>Note 3 |
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| Sponsor: | Heat In A Click |
|-----------------|---------------------------------------------------------|
| Subject Device: | 2 Face / Face Evolution, Model: 2 Face / Face Evolution |
| Document Name: | FDA 510(k) Submission Report |
| Irradiances | Red light: 73.26<br>mW/cm²±10%<br>Blue light: 64.10<br>mW/cm²±10% | -- | Red light: 80<br>mW/cm² ±10%<br>Blue light: 65<br>mW/cm²±10% | SE<br>Note 4 |
|----------------------------------------|-------------------------------------------------------------------|------------------------------------------------------|--------------------------------------------------------------|--------------|
| Waveform and<br>Shape | Pulsed Biphasic,<br>Modulated Square | Pulsed<br>MonoPhasic,<br>Modulated Square | -- | SE<br>Note 3 |
| Maximum<br>Output Voltage<br>(+/- 10%) | 310mV @ 500Ω<br>1.16V @ 2KΩ<br>5.56V @ 10KΩ | 137 mV @ 500Ω<br>769 mV @ 2 ΚΩ<br>3.82 V @ 10 kΩ | -- | SE<br>Note 3 |
| Maximum<br>Output Current<br>(+/- 10%) | 620µA @ 500Ω<br>580μΑ @ 2KΩ<br>556μΑ @ 10KΩ | 274μA @ 500Ω<br>387μΑ @ 2KΩ<br>283μΑ @ 10kΩ | -- | SE<br>Note 3 |
| Maximum<br>Phase Charge | 26.31μC @ 500Ω | 23.06μC @ 500Ω | -- | SE<br>Note 3 |
| Maximum<br>Current Density | 0.330mA/cm² @500Ω<br>(The Minimum<br>Electrode Size:<br>2.91cm²) | 0.419<br>mA/cm²@500Ω | -- | SE<br>Note 3 |
| Maximum<br>Power Density | 4.34μW/cm² @500Ω<br>(The Minimum<br>Electrode Size:<br>2.91cm²) | 3.22µW/cm²@500<br>Ω | -- | SE<br>Note 3 |
| Pulse Duration | 60ms | 119ms | -- | SE<br>Note 3 |
| Frequency | 8.333Hz | 8.4Hz | -- | SE<br>Note 3 |
| Irradiance<br>source | LED | -- | LED | SE<br>Note 3 |
| Visible light<br>LEDs | Yes | Yes | Yes | SE |
| Compliance<br>with 21 CFR<br>898 | Yes | Yes | Yes | SE |
| EMC | IEC 60601-1-2 | EN 60601-1-2 | IEC 60601-2 | SE |
| Safety | IEC 60601-1, IEC<br>60601-2-10 and IEC<br>60601-2-57 | IEC 60601-1, IEC<br>60601-2-10 and<br>IEC 60601-2-57 | IEC 60601-1 and<br>IEC 60601-2-57 | SE |
## Comparison in Detail(s):
## Note 1
We find that the combined the predicate devices NuFace® Plus (K103472), LED Phototherapy (PL-120) (K162098) can be equivalent to the subject device per the predicates' 510(k) summary. So the differences will not raise any safety or effectiveness issue.
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## Note 2
Although the Main Unit Weight, Dimensions of device, Housing Materials of main unit, Power source, Number of Output channels, Indicator and Time Range of subject device is different from the predicate devices, they are all compliance with IEC 60601-2-10 requirement for the product. So the differences of function specification will not raise any safety or effectiveness issue.
## Note 3
Although the Wavelengths, Energy emitted during the treatment, Irradiation area, Waveform and Shape, Maximum Output Voltage, Maximum Output Current, Maximum Phase Charge, Maximum Current Density, Maximum Power Density, Pulse Duration, Frequency and Irradiance source is a little different from the predicate devices, they are all compliance with IEC 60601-2-57 requirements. So the differences will not raise any safety or effectiveness issue.
## Note 4
Although the Irradiances is a little different from the predicate devices, but they are within the deviation range, so the differences will not raise any safety or effectiveness issue.
## Final Conclusion:
The subject device "2 Face / Face Evolution" is Substantial Equivalent to the predicate devices.
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.