K201342 · M.I.Tech Co., Ltd. · JCT · Dec 31, 2020 · General, Plastic Surgery
Device Facts
Record ID
K201342
Device Name
HANAROSTENT Trachea/Bronchium (CCC)
Applicant
M.I.Tech Co., Ltd.
Product Code
JCT · General, Plastic Surgery
Decision Date
Dec 31, 2020
Decision
SESE
Submission Type
Traditional
Regulation
21 CFR 878.3720
Device Class
Class 2
Attributes
Therapeutic
Indications for Use
The HANAROSTENT® TracheaBronchium (CCC) is indicated for use in the treatment of tracheobronchial strictures caused by malignant neoplasms.
Device Story
Self-expanding tubular prosthesis; maintains patency of tracheal/bronchial obstructions caused by malignant tumors. Comprises nitinol wire stent fully covered with silicone membrane; includes repositioning lasso. Delivered via polymeric delivery device; deployed by pulling outer sheath. Used in clinical setting via bronchoscopy; physician-operated. Guidewire (0.035 inch) used for introduction; radiopaque gold markers facilitate placement visualization. Stent exerts outward radial force on luminal surface to establish patency. Single-use; sterile.
Clinical Evidence
No clinical performance data submitted. Bench testing only.
Indicated for adults with tracheobronchial strictures caused by malignant neoplasms.
Regulatory Classification
Identification
The tracheal prosthesis is a rigid, flexible, or expandable tubular device made of a silicone, metal, or polymeric material that is intended to be implanted to restore the structure and/or function of the trachea or trachealbronchial tree. It may be unbranched or contain one or two branches. The metal tracheal prosthesis may be uncovered or covered with a polymeric material. This device may also include a device delivery system.
Special Controls
The special control for this device is FDA's “Guidance for the Content of Premarket Notification Submissions for Esophageal and Tracheal Prostheses.”
AERO™ Tracheobronchial Stent Technology System (K082284)
Submission Summary (Full Text)
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December 31, 2020
M.I. Tech Co., Ltd. % Beryl Jeanne Regulatory Consultant Namsa 400 Highway 169 South, Suite 500 Minneapolis, Minnesota 55426
Re: K201342
Trade/Device Name: HANAROSTENT® Trachea/Bronchium (CCC) Regulation Number: 21 CFR 878.3720 Regulation Name: Tracheal Prosthesis Regulatory Class: Class II Product Code: JCT Dated: May 19, 2020 Received: May 20, 2020
Dear Beryl Jeanne:
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,
Brandon L. Blakely, Ph.D. Acting Assistant Director DHT1C: Division of ENT, Sleep Disordered Breathing, Respiratory and Anesthesia Devices OHT1: Office of Ophthalmic, Anesthesia, Respiratory, ENT and Dental 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) K201342
Device Name HANAROSTENT® Trachea/Bronchium (CCC)
Indications for Use (Describe)
The HANAROSTENT® TracheaBronchium (CCC) is indicated for use in the treatment of tracheobronchial strictures caused by malignant neoplasms.
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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Image /page/3/Picture/0 description: The image shows the logo for M.I.Tech. The logo consists of the letters "MIT" in a stylized font, with a red dot above the "I". To the right of the stylized letters is the word "Tech" in a bold, sans-serif font. Below the logo is the website address "www.mitech.co.kr".
HEAD OFFFICE
174, HABUK2-GIL, JNW1-MECN, PYEONGTAEK-SI, GYEONGGI-DO,
17706, REPUBLIC OF KOREA
TEL +82316625645 FAX +8231 662 5648
## 510(k) Summary
| Preparation Date | December 14, 2020 | |
|-----------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| Submitter | M.I.Tech Co., Ltd.<br>174 Habuk 2-gil, Jinwi-myeon,<br>Pyeongtaek-si, Gyeonggi-do<br>17706, Republic of Korea<br>Phone: 82-31-662-5645<br>Fax: 82-31-662-5648 | |
| Primary Contact | Inae Kim<br>Medical Affairs Team Manager<br>M.I.Tech Co., Ltd.<br>174 Habuk 2-gil, Jinwi-myeon,<br>Pyeongtaek-si, Gyeonggi-do<br>17706, Republic of Korea<br>Email: inae116@mitech.co.kr<br>Phone: 82-70-4304-7450<br>Fax: 82-2-3463-4703 | |
| Subject Device | Trade Name:<br>Common Name:<br>Classification Product Code:<br>Regulation Number:<br>Classification Name:<br>Device Class:<br>Regulation Medical Specialty:<br>510(k) Review Panel | HANAROSTENT® Trachea/Bronchium (CCC)<br>Prosthesis, Tracheal, Expandable<br>JCT<br>21 CFR 878.3720<br>Tracheal Prosthesis<br>Class II<br>General & Plastic Surgery<br>Anesthesiology |
| Primary Predicate Device | EndoChoice, Inc.'s BONASTENT® Tracheal/Bronchial (K140472) | |
| Reference Predicate Device | Alveolus, Inc's AEROTM Tracheobronchial Stent Technology System (K082284) | |
| Device Description | The HANAROSTENT® Trachea/Bronchium (CCC) is a self-expanding tubular prosthesis designed to maintain patency of tracheal or/and bronchial obstructions caused by malignant tumors. It consists of a self-expandable metal stent and a delivery device. The self-expandable metal stent is made of nickel titaniumalloy (nitinol) wire that is fully covered with a silicone membrane and has one repositioning lasso at one end of the stent. The delivery device is made of polymeric materials. The stent is loaded into the distal part of the delivery device and expanded in the body by pulling the outer sheath of the delivery device. The stent and delivery device are provided sterile and are intended for single use only. | |
| Intended Use/ Indications for Use | The HANAROSTENT® Trachea/Bronchium (CCC) is indicated for use in the treatment of tracheobronchial strictures caused by malignant neoplasms. | |
| Mechanism of Action | The stent is loaded by the delivery device. Upon deployment of the stent, it imparts an outward radial force on the luminal surface of the trachea/bronchium to establish patency. The stent is constrained and loaded between the two sheaths. The delivery device and stent are introduced to the intended target location through the use of a 0.035 inch guidewire. Radiopaque markers allow visualizing and measuring placement. | |
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Image /page/4/Picture/0 description: The image shows the logo for M.I.Tech. The logo consists of the letters "MIT" in a stylized font, with a red dot above the "I". To the right of "MIT" is the text "M.I.Tech" in a bold, sans-serif font. The logo is blue and white.
www.mitech.co.kr
HEAD OFFFICE
174, HABUK2-GIL, JNW1-MECN, PYEONGTAEK-SI, GYEONGGI-DO,
17706, REPUBLIC OF KOREA
TEL +82316625645 FAX +8231 662 5648
| Device Name | HANAROSTENT®<br>Trachea/Bronchium (CCC) | BONASTENT®<br>Tracheal/Bronchial Stent<br>System | AERO™ Tracheobronchial<br>Stent System |
|-------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| Applicant | M.I.Tech Co., Ltd. | EndoChoice, Inc. | Alveolus, Inc. |
| 510(k) Number | TBD | K140472 | K082284 |
| Device<br>Classification<br>Name | Prosthesis, Tracheal, Expandable | Prosthesis, Tracheal, Expandable | Prosthesis, Tracheal, Expandable |
| Regulation<br>Number | 21 CFR 878.3720 | 21 CFR 878.3720 | 21 CFR 878.3720 |
| Regulation<br>Description | Tracheal Prosthesis | Tracheal Prosthesis | Tracheal Prosthesis |
| Device Class | Class II | Class II | Class II |
| Classification<br>Product Code | JCT | JCT | JCT |
| Regulation<br>Medical<br>Specialty | General & Plastic Surgery | General & Plastic Surgery | General & Plastic Surgery |
| 510(k) Review<br>Panel | Anesthesiology | Anesthesiology | General & Plastic Surgery |
| Intended Use/<br>Indications for<br>Use | The HANAROSTENT®<br>Trachea/Bronchium (CCC) is<br>indicated for use in the<br>treatment of tracheobronchial<br>strictures caused by malignant<br>neoplasms. | The BONASTENT®<br>Tracheal/Bronchial Stent<br>Systemis indicated for the<br>treatment of tracheobronchial<br>strictures caused by malignant<br>neoplasms. | The Alveolus AERO™<br>Tracheobronchial Stent<br>Systemis indicated for use in<br>the treatment of<br>tracheobronchial strictures<br>caused by malignant<br>neoplasms. |
| Patient<br>Population | Adults | Unknown | Unknown |
| Stent Body | Nitinol | Nitinol | Nitinol |
| Stent<br>Radiopaque<br>Markers | Gold | Platinum | None |
| Stent Membrane | Fully coated silicone<br>membrane | Fully coated silicone<br>membrane | Fully coated polyurethane<br>membrane |
| Stent Lasso | One end of the stent | N/A | One end of the stent |
| Stent Diameter<br>Range | 10-20mm | 10-20mm | 10-20mm |
| Stent Length<br>Range | 20-80mm | 20-80mm | 20-80mm |
| Delivery Device<br>Diameter | 4mm<br>(12Fr) | 2.67, 3, 3.33, 4mm<br>(8, 9, 10, 12Fr) | 5.33, 7.33mm<br>(16, 22Fr) |
| Delivery Device<br>Usable Length<br>Range | 500-900mm | 500-900mm | 630-560mm |
| Method of<br>Placement | Bronchoscopy | Bronchoscopy | Bronchoscopy |
| Method of<br>Deployment | Release by pulling outer<br>sheath | Release by pulling outer<br>sheath | Release by pulling outer<br>sheath |
| Provided Sterile | Yes | Yes | No |
| Sterilization<br>Method | EO | EO | N/A. Non-sterile. |
| Single-Use<br>Only | Yes | Yes | Yes |
| Packaging | Blister<br>(Forming case+Tyvek film)<br>Inner box<br>Outerbox | Forming case<br>Tyvek Pouch<br>Inner box<br>Outer box | Forming case<br>Tyvek Pouch<br>Inner box<br>Outer box |
| Shelf Life | 3 years | 3 years | Unknown |
| MR<br>Compatibility | MR conditional | MR conditional | MR conditional |
| FDA Guidance Documents | The following FDA guidance document was consulted in preparing this premarket submission:<br><i>Guidance for The Content of Premarket Notifications for Esophageal and Tracheal<br/>Prostheses</i> , dated April 28, 1998. <i>Use of International Standard ISO 10993-1, "Biological evaluation of medical<br/>devices - Part 1: Evaluation and testing within a risk management process"</i> , issued<br>June 16, 2016. | | |
| Biocompatibility | The following biocompatibility testing was completed to determine the subject device<br>is biocompatible for its intended use:<br>Cytotoxicity (ISO 10993-5) Sensitization (ISO 10993-10) Intracutaneous Reactivity (ISO 10993-10) Acute Systemic Toxicity (ISO 10993-11) Pyrogenicity (ISO 10993-11, USP <151>) Genotoxicity (ISO 10993-3, OECD Test No. 471, OECD Test No. 490) Implantation (ISO 10993-6) Chemical Characterization (ISO 10993-17, ISO 10993-18) | | |
| Performance - Bench | The following bench testing was completed to determine the subject device will<br>performas intended:<br>Deployment Force Expansion Force Compression Force Dimensions MR Safety and Compatibility Axial Force Trackability Repositioning Force Deploying Accuracy Foreshortening Corrosion Fatigue Repositioning Force Repositioning Function Tensile Strength (delivery device and lasso) | | |
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Image /page/5/Picture/0 description: The image shows the logo for M.I.Tech. The logo consists of the text "MIT" in a stylized blue font with a red dot above the "I", followed by the text "M.I.Tech" in a larger, bolder blue font. Below the logo is the website address "www.mitech.co.kr".
HEAD OFFFICE
174, HABUK2-GIL, JNW1-MECN, PYEONGTAEK-SI, GYEONGGI-DO,
17706, REPUBLIC OF KOREA
TEL +82316625645 FAX +8231 662 5648
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Image /page/6/Picture/0 description: The image shows the logo for M.I.Tech. The logo consists of the company's name in blue text, with a red dot above the "i" in "MIT". Below the logo is the company's website address, www.mitech.co.kr, in black text.
| Performance - Animal | No animal performance data is submitted in this 510(k). |
|-------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| Performance - Clinical | No clinical performance data is submitted in this 510(k). |
| Substantial Equivalence | Subject device HANAROSTENT® Trachea/Bronchium (CCC) is substantially<br>equivalent to primary predicate device BONASTENT® Tracheal/Bronchial Stent<br>System (K140472) when evaluating intended use and technological characteristics:<br>Subject device HANAROSTENT® Trachea/Bronchium (CCC) has the<br>identical intended use as primary predicate device BONASTENT®<br>Tracheal/Bronchial Stent System. There are no differences between the<br>subject device and primary predicate device with respect to indications and<br>intended use. Subject device HANAROSTENT® Trachea/Bronchium (CCC) has minor<br>technological differences compared to predicate device BONASTENT®<br>Tracheal/Bronchial Stent Systemregarding packaging materials, stent<br>repositioning lasso, radiopaque marker materials, delivery device diameter,<br>and performance testing results. These technological characteristic differences do not raise new questions of<br>safety and effectiveness. Therefore, the subject and predicate devices are considered substantially equivalent. |
| Conclusion | M.I.Tech determined subject device HANAROSTENT® Trachea/Bronchium (CCC) is<br>substantially equivalent to the primary predicate device BONASTENT®<br>Tracheal/Bronchial Stent System when evaluating intended use and technological<br>characteristics, is biocompatible for its intended use, and will perform as intended.<br>Therefore, M.I.Tech respectfully requests marketing clearance for subject device<br>HANAROSTENT® Trachea/Bronchium (CCC). |
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.