K223766 · Biosense Webster, Inc. · OBJ · Feb 16, 2023 · Cardiovascular
Device Facts
Record ID
K223766
Device Name
NUVISION™ NAV Ultrasound Catheter
Applicant
Biosense Webster, Inc.
Product Code
OBJ · Cardiovascular
Decision Date
Feb 16, 2023
Decision
SESE
Submission Type
Traditional
Regulation
21 CFR 870.1200
Device Class
Class 2
Indications for Use
The NUVISION™ NAV Ultrasound Catheter and related accessory devices are indicated for intra-cardiac and intraluminal visualization of cardiac and great vessel anatomy and physiology as well as visualization of other devices in the heart. When used with the compatible CARTO™ 3 EP Navigation System, the catheter provides location information. The catheter is intended for imaging guidance only, not treatment delivery, during cardiac interventional percutaneous procedures.
Device Story
The NUVISION™ NAV Ultrasound Catheter is a 10F, single-use, disposable diagnostic intracardiac echocardiography (ICE) catheter. It utilizes a distal 2D acoustic element array on an ASIC to capture real-time 2D, 3D, and multiplane ultrasound images. The device integrates a 3D location sensor for use with the CARTO™ 3 EP Navigation System. The catheter is operated by a physician during percutaneous cardiac procedures; handle controls allow for shaft deflection and independent rotation of the transducer array. The device connects to the GE Vivid™ S70N Ultrasound System for imaging and the CARTO™ 3 system for navigation. Output is displayed to the clinician to provide real-time anatomical visualization and device location guidance. This imaging guidance assists in navigating cardiac structures and monitoring device placement, potentially improving procedural accuracy and patient safety.
Clinical Evidence
No clinical data. Evidence consists of non-clinical bench testing and pre-clinical animal studies. Bench testing included mechanical integrity, deflection, functionality, simulated use, electrical properties, visualization, packaging, shelf life, maneuverability, and signal quality. Biocompatibility testing was performed per ISO 10993 for externally communicating devices in contact with circulating blood. The device met all pre-defined acceptance criteria.
Technological Characteristics
10F diameter, 90cm insertable length. Distal tip features a multi-element 2D phased array-on-ASIC ultrasound transducer. Imaging modes: B-Mode (2D/3D), M-Mode, Pulsed/Continuous Wave Doppler, Color Doppler (2D/3D), Power Doppler. Biocompatibility: ISO 10993 (circulating blood). Sterilization: Ethylene Oxide. Connectivity: Proprietary cables for GE Vivid™ S70N and CARTO™ 3 systems. Energy: Ultrasound transducer.
Indications for Use
Indicated for adult patients undergoing cardiac interventional percutaneous procedures requiring intra-cardiac and intra-luminal visualization of cardiac and great vessel anatomy, physiology, and other devices in the heart.
Regulatory Classification
Identification
An intravascular diagnostic catheter is a device used to record intracardiac pressures, to sample blood, and to introduce substances into the heart and vessels. Included in this generic device are right-heart catheters, left-heart catheters, and angiographic catheters, among others.
CARTO™ 3 EP Navigation System with CARTOSOUND™ 4D (K223733)
Submission Summary (Full Text)
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February 16, 2023
Biosense Webster, Inc. Sheba Chacko Senior Regulatory Affairs Program Lead 31 Technology Drive, Suite 200 Irvine, California 90618
Re: K223766
Trade/Device Name: NUVISION™ NAV Ultrasound Catheter Regulation Number: 21 CFR 870.1200 Regulation Name: Diagnostic Intravascular Catheter Regulatory Class: Class II Product Code: OBJ Dated: December 13, 2022 Received: December 15, 2022
Dear Sheba Chacko:
We have reviewed your Section 510(k) premarket notification of intent to market the device referenced above and have determined the device is substantially equivalent (for the indications for use stated in the enclosure) to legally marketed predicate devices marketed in interstate commerce prior to May 28, 1976, the enactment date of the Medical Device Amendments, or to devices that have been reclassified in accordance with the provisions of the Federal Food, Drug, and Cosmetic Act (Act) that do not require approval of a premarket approval application (PMA). You may, therefore, market the device, subject to the general controls provisions of the Act. Although this letter refers to your product as a device, please be aware that some cleared products may instead be combination products. The 510(k) Premarket Notification Database located at https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfpmn/pmn.cfm identifies combination product submissions. The general controls provisions of the Act include requirements for annual registration, listing of devices, good manufacturing practice, labeling, and prohibitions against misbranding and adulteration. Please note: CDRH does not evaluate information related to contract liability warranties. We remind you, however, that device labeling must be truthful and not misleading.
If your device is classified (see above) into either class II (Special Controls) or class III (PMA), it may be subject to additional controls. Existing major regulations affecting your device can be found in the Code of Federal Regulations, Title 21, Parts 800 to 898. In addition, FDA may publish further announcements concerning your device in the Federal Register.
Please be advised that FDA's issuance of a substantial equivalence determination does not mean that FDA has made a determination that your device complies with other requirements of the Act or any Federal
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statutes and regulations administered by other Federal agencies. You must comply with all the Act's requirements, including, but not limited to: registration and listing (21 CFR Part 807); labeling (21 CFR Part 801); medical device reporting of medical device-related adverse events) (21 CFR 803) for devices or postmarketing safety reporting (21 CFR 4, Subpart B) for combination products (see https://www.fda.gov/combination-products/guidance-regulatory-information/postmarketing-safety-reportingcombination-products); good manufacturing practice requirements as set forth in the quality systems (QS) regulation (21 CFR Part 820) for devices or current good manufacturing practices (21 CFR 4, Subpart A) for combination products; and, if applicable, the electronic product radiation control provisions (Sections 531-542 of the Act); 21 CFR 1000-1050.
Also, please note the regulation entitled, "Misbranding by reference to premarket notification" (21 CFR Part 807.97). For questions regarding the reporting of adverse events under the MDR regulation (21 CFR Part 803), please go to https://www.fda.gov/medical-device-safety/medical-device-reportingmdr-how-report-medical-device-problems.
For comprehensive regulatory information about medical devices and radiation-emitting products, including information about labeling regulations, please see Device Advice (https://www.fda.gov/medicaldevices/device-advice-comprehensive-regulatory-assistance) and CDRH Learn (https://www.fda.gov/training-and-continuing-education/cdrh-learn). Additionally, you may contact the Division of Industry and Consumer Education (DICE) to ask a question about a specific regulatory topic. See the DICE website (https://www.fda.gov/medical-device-advice-comprehensive-regulatoryassistance/contact-us-division-industry-and-consumer-education-dice) for more information or contact DICE by email (DICE@fda.hhs.gov) or phone (1-800-638-2041 or 301-796-7100).
Sincerely,
Aneesh S. Deoras -S
Aneesh Deoras Assistant Director Division of Cardiac Electrophysiology, Diagnostics and Monitoring Devices Office of Cardiovascular 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) K223766
Device Name NUVISION™ NAV Ultrasound Catheter
### Indications for Use (Describe)
The NUVISION™ NA V Ultrasound Catheter and related accessory devices are indicated for intra-cardiac and intraluminal visualization of cardiac and great vessel anatomy and physiology as well as visualization of other devices in the heart. When used with the compatible CARTO™ 3 EP Navigation System, the catheter provides location information. The catheter is intended for imaging guidance only, not treatment delivery, during cardiac interventional percutaneous procedures.
| Type of Use (Select one or both, as applicable) | |
|---------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------|
| <span style="font-family: Arial;"> Prescription Use (Part 21 CFR 801 Subpart D) </span> | <span style="font-family: Arial;"> Over-The-Counter Use (21 CFR 801 Subpart C) </span> |
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# 510(k) Summary
This 510(k) Summary is being submitted in accordance with the requirements of SMDA 1990 and 21 CFR 807.92
| Date Summary Prepared | 15 February 2023 |
|------------------------|----------------------------------------------------------------------------------------------------------------------------|
| Applicant | Biosense Webster, Inc.<br>31 Technology Drive, Suite 200<br>Irvine, CA 92618<br>Establishment Registration Number: 9044811 |
| Official Correspondent | Sheba Chacko<br>Senior Regulatory Affairs Program Lead<br>Telephone: (949) 450-6058<br>Fax: (949) 450-6886 |
| Trade Name | NUVISION™ NAV Ultrasound Catheter |
| Common Name | Intracardiac Echocardiography Catheter |
| Classification Name | Diagnostic Intravascular Catheters |
| Device Classification | Class II, 21 CFR 870.1200 |
| FDA Product Code | OBJ |
| Classification Panel | Cardiovascular |
### 1. Submitter [ 21 CFR 807.92(a) (1)] and Device Information [21 CFR 807.92 (a) (2)]
Table 1:Submitter and Device Information
## 2. Predicate Device and Reference Device Information [21 CFR 807.92(a) (3)]
| Predicate Device Information | | | |
|---------------------------------------------|------------------------|----------|---------------|
| Predicate Device Name | Manufacturer | 510(k) # | Decision Date |
| NUVISION ICE<br>Catheter, 10F | NuVera Medical, Inc. | K201775 | March 5, 2021 |
| Reference Device Information | | | |
| SoundStar eco<br>10F Ultrasound<br>Catheter | Biosense Webster, Inc. | K112050 | Nov 11, 2011 |
Table 2: Predicate and Reference Device Information
### 3. Description of the Device Subject to Premarket Notification [21 CFR 807.92(a) (4)]
The NUVISION™ NAV Ultrasound Catheter is a 10F sterile, single-use, disposable diagnostic ultrasound imaging catheter designed for intracardiac use. The distal tip of the catheter contains a 4D ICE ultrasound transducer, comprised of a 2D acoustic element array and ASIC, for real-time 2D, 3D, and multiplane intracardiac imaging. It is coupled with a sensor providing real-time 3D location information to the compatible CARTO™ 3 EP Navigation System with ultrasound capability. Knobs on the catheter handle allow the user to deflect the catheter and rotate the
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transducer array independently of the deflection of the catheter shaft. The imaging field emanates from one side of the catheter tip, perpendicular to the catheter. The catheter may also be referred to as a probe in some instances.
The catheter is validated for use only with the GE Vivid™ S70N Ultrasound System (K223832), and the CARTO™ 3 EP Navigation System with CARTOSOUND™ 4D (K223733). The NUVISION™ Connector Cable is used to connect the catheter to the GE Ultrasound System and the multipin SOUNDSTAR™ eco Cable is used to connect the catheter to the CARTO™ 3 System.
## 4. Intended Use [21 CFR 807.92(a) (5)]
The NUVISION™ NAV Ultrasound Catheter is intended for intra-cardiac and intra- luminal visualization of cardiac and great vessel anatomy and physiology as well as visualization of other devices in the heart.
### 4.1 Indications for Use:
The NUVISION™ NAV Ultrasound Catheter and related accessory devices are indicated for intracardiac and intra-luminal visualization of cardiac and great vessel anatomy and physiology as well as visualization of other devices in the heart. When used with the compatible CARTO™ 3 EP Navigation System, the catheter provides location information. The catheter is intended for imaging guidance only, not treatment delivery, during cardiac interventional percutaneous procedures.
| Description | NUVISION<br>NAV<br>Ultrasound<br>Catheter<br>(Subject<br>Device) | NUVISION ICE<br>Catheter (Predicate<br>Device) K201775 | SOUNDSTAR eco 10F/10FG<br>Ultrasound Catheter<br>(Reference Device)<br>K112050 |
|--------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| Classification | Class II | Class II | Class II |
| Regulation | 21 CFR 870.1200 | 21 CFR 870.1200 | 21 CFR 870.1200 |
| Product code | OBJ | OBJ | OBJ |
| Indications of Use | The NUVISION NAV<br>Ultrasound Catheter and<br>related accessory devices<br>are indicated for intra-<br>cardiac and intra-luminal<br>visualization of cardiac and<br>great vessel anatomy and<br>physiology as well as<br>visualization of other<br>devices in the heart. When<br>used with the compatible<br>CARTO™ 3 EP Navigation<br>System, the catheter<br>provides location<br>information. The catheter is<br>intended for imaging<br>guidance only, not<br>treatment delivery, during<br>cardiac interventional | The NUVISION ICE<br>Catheter is intended for<br>intracardiac and intra-luminal<br>visualization of cardiac and<br>great vessel anatomy and<br>physiology as well as<br>visualization of other devices<br>in the heart of adult and<br>pediatric patients. The catheter<br>is intended for imaging<br>guidance only, not treatment<br>delivery, during cardiac<br>interventional percutaneous<br>procedures. | The Biosense Webster<br>SOUNDSTAR® eco Diagnostic<br>Ultrasound Catheter and related<br>accessory devices are indicated<br>for intra- cardiac and intra-<br>luminal visualization of cardiac<br>and great vessel anatomy and<br>physiology as well as<br>visualization of other devices in<br>the heart. When used with<br>compatible CARTO® 3 EP<br>Navigation Systems, the<br>SOUNDSTAR® eco Catheter<br>provides location information. |
## 5. Summary of Substantial Equivalence [21 CFR 807.92 (a) (6)]
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| Description | NUVISION<br>NAV<br>Ultrasound<br>Catheter<br>(Subject | NUVISION ICE<br>Catheter (Predicate<br>Device) K201775 | SOUNDSTAR eco 10F/10FG<br>Ultrasound Catheter<br>(Reference Device)<br>K112050 |
|------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------|
| | Device) | | |
| | percutaneous procedures. | | |
| Patient<br>Population | Adult | Adult and Pediatric | Adult |
| Single Use | Yes | Yes | Yes |
| Sterilization<br>Method | Ethylene Oxide | Ethylene Oxide | Ethylene Oxide |
| Outside Diameter | 10F | 10F | 10F |
| Insertable length | 90cm | 90cm | 90cm |
| Acoustic Array | Multi-element 2D<br>phased array-on-ASIC<br>ultrasound<br>transducer at distal tip | Multi-element 2D phased<br>array-on-ASIC ultrasound<br>transducer at distal tip | Multi-element linear phased<br>array ultrasound transducer at<br>distal tip. |
| Ultrasound<br>Imaging<br>Frequency | 4-10 MHz | 4-10 MHz | 4-10 MHz |
| Imaging Modes | B-Mode (2D and<br>3D) M-Mode<br>Doppler Pulsed Wave<br>Doppler Continuous Wave<br>Doppler Color Doppler (2D<br>and 3D) Power Doppler | B-Mode (2D and 3D)<br>M-Mode<br>Doppler Pulsed Wave<br>Doppler<br>Continuous Wave Doppler<br>Color Doppler (2D and 3D)<br>Power Doppler | B-Mode (2D only)<br>M-Mode<br>Doppler Pulsed Wave Doppler<br>Continuous Wave Doppler Color<br>Doppler (2D only) Power Doppler |
| Biocompatibility | ISO 10993, Externally<br>Communicating Device,<br>Circulating Blood category | ISO 10993, Externally<br>Communicating Device,<br>Circulating Blood category | ISO 10993, Externally<br>Communicating Device, Circulating<br>Blood category |
Table 3: Substantial Equivalence Table
## 6. Performance Testing: [21 CFR 807.92(b)(1)]
### 6.1 Technical Characteristics:
The NUVISION NA V Ultrasound Catheter is a sterile, single-use, disposable intracardiac echo (ICE) ultrasound imaging catheter. It is built around the core design and technology of the existing NUVISION ICE Catheter (predicate device), 10 Fr. The distal end of the catheter has an ultrasound transducer with 2D acoustic element array on ASIC enabling real time 2D, 3D, and multiplane imaging. The NUVISION NAV Ultrasound Catheter's grid transducer combines the processing power of the GE Vivid™ S70N Ultrasound System to enable 4D intra-cardiac imaging. Additionally, it is also coupled with a 3D location sensor enabling location mapping in a compatible CARTO 3 System. The transducer array can be rotated independently of the deflection plane of the catheter shaft. The new catheter will integrate the handling, mechanical performance, and imaging capability of the NUVISION catheter and add integration into the CARTO environment.
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### 6.2 Performance Data:
The NUVISION NA V Ultrasound Catheter underwent bench, and biocompatibility testing to demonstrate substantial equivalence. Testing included mechanical integrity, deflection, device functionality, simulated use, biocompatibility, electrical properties, visualization, packaging, shelf life, device maneuverability and signal quality, and animal testing to assess device effectiveness and safety. The catheter passed all intended criteria in accordance with appropriate test criteria and standards.
### 7. Conclusion on Safety and Effectiveness [21 CFR 807.92(b) (3)]
The NUVISION NAV Ultrasound Catheter is substantially equivalent to the currently marketed NUVISION ICE Catheter (K201775) and SOUNDSTAR eco 10F/10FG Ultrasound Catheter (K112050) devices based on the successful completion of nonclinical bench testing and pre- clinical studies, as well as the technological comparison exhibiting similar principles of design, operation, and indications for use.
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.