K172307 · Philips Medical Systems Nederland B.V. · OWB · Oct 24, 2017 · Radiology
Device Facts
Record ID
K172307
Device Name
Dynamic Coronary Roadmap 2.0
Applicant
Philips Medical Systems Nederland B.V.
Product Code
OWB · Radiology
Decision Date
Oct 24, 2017
Decision
SESE
Submission Type
Abbreviated
Regulation
21 CFR 892.1650
Device Class
Class 2
Attributes
Software as a Medical Device
Indications for Use
Dynamic Coronary Roadmap is intended to assist the physician during percutaneous coronary interventions in correlating the device position to the coronary vasculature, by providing a motion compensated overlay of this coronary vasculature. The FFR/FR Roadmap feature is intended to assist the physician during percutaneous coronary interventions in relating the intravascular blood pressurement to its anatomical location. FFR/iFR roadmap visualizes the position of the pressure wire and the coronary artery on an X-ray image at the moment that an intravascular blood pressure measurement was performed as well as the intravascular blood pressure measurement values themselves. Dynamic Coronary Roadmap is suitable for use with the entire adult human population.
Device Story
Software medical device accessory to Philips Interventional X-ray systems; provides real-time, motion-compensated angiographic roadmap overlays on live 2D fluoroscopic images. Inputs: previously acquired diagnostic coronary angiograms; live fluoroscopic X-ray feeds; optional intravascular blood pressure data from compatible Philips Volcano CORE systems. Operation: automatically generates roadmap from diagnostic angiograms; selects cardiac cycle phase; aligns roadmap based on catheter tip position; compensates for cardiac motion. FFR/iFR feature co-registers pressure data with X-ray images via time synchronization. Used in cath labs by interventional cardiologists; assists in navigating guide wires and catheters. Output: visual overlay on guidance monitor; aids physician in device placement and anatomical correlation of pressure measurements. Benefits: improved navigation accuracy and procedural guidance during coronary interventions.
Clinical Evidence
No clinical data. Substantial equivalence demonstrated via non-clinical performance testing, including software verification, validation, and usability testing in simulated environments with interventional cardiologists. Usability metrics (task completion, system usability scores, net promoter scores) and expert opinion validation exceeded predefined acceptance criteria.
Technological Characteristics
Software-based medical device; integrates with Philips Interventional X-ray systems. Features: motion-compensated 2D angiographic roadmap overlay; FFR/iFR data co-registration via time synchronization. Connectivity: DICOM compatible. Standards: IEC 62304 (software lifecycle), IEC 62366-1 (usability), ISO 14971 (risk management), NEMA PS 3.1-3.20 (DICOM).
Indications for Use
Indicated for adult patients undergoing percutaneous coronary interventions to assist physicians in correlating device position to coronary vasculature via motion-compensated overlays and relating intravascular blood pressure measurements to anatomical locations.
Regulatory Classification
Identification
An image-intensified fluoroscopic x-ray system is a device intended to visualize anatomical structures by converting a pattern of x-radiation into a visible image through electronic amplification. This generic type of device may include signal analysis and display equipment, patient and equipment supports, component parts, and accessories.
Special Controls
*Classification.* Class II (special controls). An anthrogram tray or radiology dental tray intended for use with an image-intensified fluoroscopic x-ray system only is exempt from the premarket notification procedures in subpart E of part 807 of this chapter subject to the limitations in § 892.9. In addition, when intended as an accessory to the device described in paragraph (a) of this section, the fluoroscopic compression device is exempt from the premarket notification procedures in subpart E of part 807 of this chapter subject to the limitations in § 892.9.
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October 24, 2017
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Philips Medical Systems Nederland B.V. % Ms. Laura Wortel Regulatory Affairs Officer Veenpluis 4-6 Best, 5684 PC THE NETHERLANDS
Re: K172307
Trade/Device Name: Dynamic Coronary Roadmap 2.0 Regulation Number: 21 CFR 892.1650 Regulation Name: Image-intensified fluoroscopic x-ray system Regulatory Class: II Product Code: OWB Dated: July 28, 2017 Received: July 31, 2017
Dear Ms. Wortel:
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 801); medical device reporting of medical device-related adverse events) (21 CFR 803); good manufacturing practice requirements as set forth in the quality systems (OS) regulation (21 CFR Part 820); and if applicable, the electronic product radiation control provisions (Sections 531-542 of the Act); 21 CFR 1000-1050.
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If you desire specific advice for your device on our labeling regulation (21 CFR Part 801), please contact the Division of Industry and Consumer Education (DICE) at its toll-free number (800) 638-2041 or (301) 796-7100 or at its Internet address http://www.fda.gov/MedicalDevicesforYou/Industry/default.htm. 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.
You may obtain other general information on your responsibilities under the Act from the Division of Industry and Consumer Education (DICE) at its toll-free number (800) 638-2041 or (301) 796-7100 or at its Internet address http://www.fda.gov/MedicalDevices/ResourcesforYou/Industry/default.htm.
Sincerely,
Michael D.'Hara
For
Robert Ochs, Ph.D. Director Division of Radiological Health Office of In Vitro Diagnostics and Radiological Health Center for Devices and Radiological Health
Enclosure
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# Indications for Use
510(k) Number (if known)
K172307
Device Name
Dynamic Coronary Roadmap 2.0
### Indications for Use (Describe)
Dynamic Coronary Roadmap is intended to assist the physician during percutaneous coronary interventions in correlating the device position to the coronary vasculature, by providing a motion compensated overlay of this coronary vasculature.
The FFR/FR Roadmap feature is intended to assist the physician during percutaneous coronary interventions in relating the intravascular blood pressurement to its anatomical location. FFR/iFR roadmap visualizes the position of the pressure wire and the coronary artery on an X-ray image at the moment that an intravascular blood pressure measurement was performed as well as the intravascular blood pressure measurement values themselves.
Dynamic Coronary Roadmap is suitable for use with the entire adult human population.
| Type of Use (Select one or both, as applicable) | |
|-------------------------------------------------|--|
|-------------------------------------------------|--|
X Prescription Use (Part 21 CFR 801 Subpart D)
Over-The-Counter Use (21 CFR 801 Subpart C)
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# 510(k) Summary
This 510(k) summary of safety and effectiveness information is prepared in accordance with 21 CFR §807.92.
| Date Prepared: | July 28, 2017 |
|------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| Manufacturer: | Philips Medical Systems Nederland B.V.<br>Veenpluis 4-6<br>5684 PC Best<br>The Netherlands<br>Establishment Registration Number: 3003768277 |
| Primary Contact<br>Person: | Laura Wortel<br>Regulatory Affairs Officer<br>Phone: +31 646801015<br>E-mail: laura.wortel@philips.com |
| Secondary Contact<br>Person: | Marta Walker<br>Head of Regulatory Affairs IGT Systems<br>Phone: +31 631978546<br>E-mail: marta.walker@philips.com |
| Device: | Trade Name: Dynamic Coronary Roadmap 2.0<br>Classification Name: Image-intensified fluoroscopic x-ray system<br>Classification Regulation: 21 CFR, Part 892.1650<br>Classification Panel: Radiology<br>Device Class: Class II<br>Primary Product Code: OWB (Interventional Fluoroscopic X-Ray system)<br>Secondary Product Code: LLZ (System, Image Processing, Radiological) |
| Predicate Device: | Trade Name: Dynamic Coronary Roadmap 1.0<br>Manufacturer: Philips Medical Systems Nederland B.V<br>510(k) Clearance: K170130 (Jun 02, 2017)<br>Classification Name: Image-intensified fluoroscopic x-ray system<br>Classification Regulation: 21 CFR, Part 892.1650<br>Classification Panel: Radiology<br>Device Class: Class II<br>Primary Product Code: OWB (Interventional Fluoroscopic X-Ray system)<br>Secondary Product Code: LLZ (System, Image Processing, Radiological) |
| Device description: | Dynamic Coronary Roadmap is a software medical device intended to provide a<br>real-time and dynamic angiographic roadmap of coronary arteries.<br><br>The angiographic roadmap is automatically generated from previously acquired<br>diagnostic coronary angiograms during the same procedure. |
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Dynamic Coronary Roadmap overlays the angiographic roadmap on live 2D fluoroscopic images, thereby assisting the physician in navigating devices, e.g. (guide) wires, catheters, through the coronary arteries.
Dynamic Coronary Roadmap is to be used in combination with a Philips Interventional X-ray system.
When also used in conjunction with a compatible intravascular blood pressure measurement system, Dynamic Coronary Roadmap offers an FFR / iFR Roadmap feature. This feature co-registers the information of the blood pressure within a coronary artery with the corresponding X-ray image of the pressure wire within that coronary artery.
Dynamic Coronary Roadmap is compatible with the following intravascular blood pressure measurement systems:
- Philips Volcano CORE systems containing the FFR v 2.5 modality; and ●
- Philips Volcano CORE Mobile systems containing the FFR v 2.5 modality. ●
Dynamic Coronary Roadmap 2.0, provided as accessory to the Philips Indications for Use: Interventional X-ray system, has the following indications for use:
> Dynamic Coronary Roadmap is intended to assist the physician during percutaneous coronary interventions in correlating the device position to the coronary vasculature, by providing a motion compensated overlay of this coronary vasculature.
> The FFR / iFR Roadmap feature is intended to assist the physician during percutaneous coronary interventions in relating the intravascular blood pressure measurement to its anatomical location. FFR / iFR roadmap visualizes the position of the pressure wire and the coronary artery on an X-ray image at the moment that an intravascular blood pressure measurement was performed as well as the intravascular blood pressure measurement values themselves.
> Dynamic Coronary Roadmap is suitable for use with the entire adult human population.
> The indications for use of Dynamic Coronary Roadmap 2.0 are similar to the indications for use of the currently marketed predicate device Dynamic Coronary Roadmap 1.0 (K170130).
Both devices are
- o indicated to assist the physician during percutaneous coronary interventions in correlating the device position to the coronary vasculature, by providing a motion compensated overlay of this coronary vasculature: and
- suitable for use with the entire adult human population. O
The only difference is that the Indications for Use of Dynamic Coronary Roadmap 2.0 has been further detailed by adding a description of the FFR / iFR Roadman feature.
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The further detailing does not raise any new safety and effectiveness questions since Dynamic Coronary Roadmap 2.0 still has the same intended use as the predicate device: both devices are accessories to the currently marketed Philips Interventional X-ray systems and provide real-time image guidance in the form of a motion compensated overlay of the coronary vasculature. Based on the information provided above. Dynamic Coronary Roadman 2.0 is considered substantially equivalent to the currently marketed predicate device Dynamic Coronary Roadmap 1.0 (K170130) in terms of Indications for Use. Dynamic Coronary Roadmap 2.0 employs comparable technology as Technological characteristics: implemented in the currently marketed predicate device, Dynamic Coronary Roadmap 1.0 (K170130). The technological similarities are listed below: Both devices ● use an enhanced roadmap on the guidance monitor overlaying a roadmap fused with live fluoroscopic images to provide real time image guidance; ● construct the enhanced coronary roadmap from a 2D diagnostic coronary angiogram; ● select the right roadmap image from the cardiac cycle and position it based upon the catheter tip; ● overlay dynamic structures and compensate for cardiac motion; provide X-ray system integration, including: ● 0 Automatically powering ON and OFF with the X-ray system. 3D Automatic Position Control (APC); this allows the C-arm to o
- automatically move to a nearby available dynamic angiographic roadmap to be able to reuse this for live guidance.
- o Table-side control.
- provide archiving of images to DICOM compatible devices.
There is only one technological difference with the currently marketed predicate device Dynamic Coronary Roadmap 1.0 (K170130):
- Dynamic Coronary Roadmap 2.0 provides a FFR / iFR Roadmap feature. ● This feature automatically co-registers the imported intravascular (FFR or iFR) blood pressure data from a compatible intravascular blood pressure measurement system (Philips Volcano CORE systems containing the FFR v 2.5 modality or Philips Volcano CORE Mobile systems containing the FFR v 2.5 modality) with the corresponding X-ray data based on a time synchronization mechanism.
This difference between Dynamic Coronary Roadmap 2.0 and the predicate device does not raise any new questions regarding safety and effectiveness. Based on the information provided above, Dynamic Coronary Roadmap 2.0 is considered substantially equivalent to the currently marketed predicate device Dynamic Coronary Roadmap 1.0 (K170130) in terms of technological characteristics.
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Non-clinical performance testing has been performed on Dynamic Coronary Summary of Non-Clinical Performance Roadmap 2.0 and demonstrates compliance with the following FDA recognized Data: consensus standards and FDA guidance documents:
- . IEC 62304 Medical device software - Software life cycle processes (Edition 1.1, 2015). FDA/CDRH recognition number 13-79;
- IEC 62366-1 Medical devices - Part 1: Application of usability engineering to medical devices (Edition 1.0 including corrigendum, 2015). FDA/CDRH recognition number 5-114;
- . ISO 14971 Medical devices – Application of risk management to medical devices (Edition 2.0, corrected version, 2007). FDA/CDRH recognition number 5-40;
- ISO15223-1 Medical devices - Symbols to be used with medical device labels, labelling and information to be supplied - Part 1: General requirements (Second edition, 2012). FDA/CDRH recognition number 5-90:
- NEMA PS 3.1 - 3.20 Digital Imaging and Communications in Medicine (DICOM) Set (2016). FDA/CDRH recognition number 12-300.
- "Guidance for Industry and FDA Staff – Guidance for the Content of Premarket Submissions for Software Contained in Medical Devices", May 11, 2005 ( document number 337);
- "Guidance for Industry and FDA Staff - Applying Human Factors and Usability Engineering to Medical Devices", February 3, 2016 (document number 1757);
- "Guidance for Industry and FDA Staff Content of Premarket ● Submissions for Management of Cybersecurity in Medical Devices", October 2, 2014 (document number 1825);
- . "Guidance for Industry and FDA Staff - The 510(k) Program: Evaluating Substantial Equivalence in Premarket Notifications [510(k)]", July 28, 2014 (document number 1766).
Non-clinical verification and validation testing has been performed for Dynamic Coronary Roadmap 2.0. The focus of the verification and validation testing was on the FFR / iFR Roadmap feature, as this was the main change compared to the currently marketed predicate device Dynamic Coronary Roadmap 1.0 (K170130).
Software verification testing has been performed to verify that all requirements of the System Requirements Specification as well as the identified safety risk control measures from the Detailed Risk Management Matrix and the Privacy and Security requirements for Dynamic Coronary Roadmap 2.0 have been implemented. Results demonstrated that all executed tests were passed.
Algorithm verification was not warranted as there are no algorithms implemented for the FFR/iFR Roadmap feature and no changes have been made to the existing Roadmapping algorithm that impacted its performance compared to the currently marketed predicate device Dynamic Coronary Roadmap 1.0 (K170130).
Software validation testing has been performed to validate that Dynamic Coronary Roadmap 2.0 conforms to its intended use, claims and user needs. The validation consisted of the following activities:
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| | Usability validation was performed with certified interventional cardiologists in a simulated environment. Mean task completion rates, system usability scores and net promotor scores exceeded the predefined criteria; Expert opinion validation was performed in a simulated environment where certified interventional cardiologists analyzed a wide range of pre-clinical datasets. The actual acceptance scores exceeded the predefined acceptance criteria; In-house simulated use validation was performed with experienced Clinical Marketing specialists that fulfill the intended user profile based on their clinical knowledge gained from work experience and hospital visits. The participants executed validation protocols in the form of a device navigation workflow to validate user needs, intended use and effectiveness of the safety and security related measures. Results demonstrated that all executed validation protocols were passed. |
|----------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| | All these tests were used to support substantial equivalence of the subject device and demonstrate that <b>Dynamic Coronary Roadmap 2.0</b> : complies with the aforementioned international and FDA-recognized consensus standards and FDA guidance documents, and meets the acceptance criteria and is adequate for its intended use. |
| | Based on the information provided above, <b>Dynamic Coronary Roadmap 2.0</b> is substantially equivalent to the currently marketed predicate device <i>Dynamic Coronary Roadmap 1.0 (K170130)</i> in terms of safety and effectiveness. |
| <b>Summary of Clinical<br/>Performance Data:</b> | <b>Dynamic Coronary Roadmap 2.0</b> did not require a clinical study since substantial equivalence to the currently marketed predicate device <i>Dynamic Coronary Roadmap 1.0 (K170130)</i> was demonstrated with the following attributes: Indication for use; Technological characteristics; Non-clinical performance testing, including safety and effectiveness. |
| | The verification and validation test results of <b>Dynamic Coronary Roadmap 2.0</b> described above support the safety and effectiveness of the product. It conforms to the intended use, the user needs and the claims and is therefore considered substantially equivalent to the currently marketed predicate device <i>Dynamic Coronary Roadmap 1.0 (K170130)</i> . |
| <b>Substantial<br/>Equivalence<br/>Conclusion:</b> | <b>Dynamic Coronary Roadmap 2.0</b> is substantially equivalent to the currently marketed predicate device <i>Dynamic Coronary Roadmap 1.0 (K170130)</i> in terms of indications for use, technological characteristics and safety and effectiveness.<br>Additionally, substantial equivalence was demonstrated by non-clinical performance tests provided in this 510(k) premarket notification. These tests demonstrate that <b>Dynamic Coronary Roadmap 2.0</b> complies with the user need requirements as well as the requirements specified in the international and FDA-recognized consensus standards and is as safe and effective as its predicate device and does not raise any new safety and/or effectiveness concerns. |
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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.
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.