UltraLinq is intended for use by a physician or other trained medical professionals to receive, process, review, display and archive medical images and data from imaging modalities. UltraLinq is also intended for non-invasive processing of already acquired echocardiographic images in order to detect, measure, and calculate the left ventricular wall for left ventricular function evaluation. This measurement, available on workstations only, can be used to assist the clinician in a cardiac evaluation. Diagnosis is not performed by the software but by qualified Physicians.
Device Story
UltraLinq is a web-based PACS software application for receiving, processing, reviewing, displaying, and archiving medical images/data from modalities like Ultrasound and MR. It operates on web-enabled computers, iPads, and iPhones. Physicians and trained staff use the system to share, review, download, and route studies, or send them to EMR/EHR systems. Mobile access is for non-diagnostic viewing and referral. The device integrates the LVivo EF algorithm to perform non-invasive, automated detection and measurement of the left ventricular wall from echocardiographic videos to calculate ejection fraction, assisting clinicians in cardiac evaluation. Diagnosis remains the responsibility of the qualified physician. The system supports standard DICOM interoperability.
Clinical Evidence
No new clinical data was generated for this submission. The device integrates the LVivo EF algorithm without modification; clinical performance for the automated ejection fraction calculation relies on the clinical study previously submitted and cleared under DiACardio's LVivo EF Software Application (K130779). Bench testing and software validation were performed to confirm system requirements and specifications.
Technological Characteristics
Web-based software application; operates on off-the-shelf hardware (PC, iPad, iPhone). Conforms to ACR/NEMA DICOM 3.0 standards for interoperability. Features include image storage, retrieval, processing (zoom, brightness, contrast, window-level, panning), and automated echocardiographic analysis. Software is classified as moderate concern. Cloud-based computing and storage architecture.
Indications for Use
Indicated for trained medical professionals (physicians, radiologists, nurses, technicians) to receive, process, review, display, and archive medical images (e.g., Ultrasound, MR) across computer systems and mobile devices. Includes non-invasive processing of echocardiographic images for left ventricular wall detection and function evaluation (workstation only). Not for mammography.
Regulatory Classification
Identification
A medical image management and processing system is a device that provides one or more capabilities relating to the review and digital processing of medical images for the purposes of interpretation by a trained practitioner of disease detection, diagnosis, or patient management. The software components may provide advanced or complex image processing functions for image manipulation, enhancement, or quantification that are intended for use in the interpretation and analysis of medical images. Advanced image manipulation functions may include image segmentation, multimodality image registration, or 3D visualization. Complex quantitative functions may include semi-automated measurements or time-series measurements.
Special Controls
*Classification.* Class II (special controls; voluntary standards—Digital Imaging and Communications in Medicine (DICOM) Std., Joint Photographic Experts Group (JPEG) Std., Society of Motion Picture and Television Engineers (SMPTE) Test Pattern).
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Food and Drug Administration 10903 New Hampshire Avenue Document Control Center - WO66-G609 Silver Spring, MD 20993-0002
ULTRALINQ HEALTHCARE SOLUTIONS, INC. % Ms. Rita King CEO MethodSense. Inc. PO Box 110352 DURHAM NC 27709
Re: K143176 Trade/Device Name: UltraLing Regulation Number: 21 CFR 892.2050 Regulation Name: Picture archiving and communications system Regulatory Class: II Product Code: LLZ Dated: June 15, 2015 Received: June 17, 2015
Dear Ms. King:
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 (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.
July 17, 2015
{1}------------------------------------------------
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 at its toll-free number (800) 638 2041 or (301) 796-7100 or at its Internet address
http://www.fda.gov/MedicalDevices/Resourcesfor You/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 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 yours,
Robert A Ochs
Robert Ochs. Ph.D. Acting 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) K143176
Device Name UltraLinq
#### Indications for Use (Describe)
UltraLinq is a software imagement system intended to receive, process, review, display, and archive medical images and data from imaging modalities (e.g. Ultrasound (US), and Magnetic Resonance (MR)). Images and data can be stored, communicated and displayed across computer systems and mobile devices. UltraLinq is a single system that can run on a web-enabled computer, iPad and iPhone and may be interfaced with other PACS systems. Diagnosis is not performed by the software but by qualified Physicians. Typical users of this system are trained and qualified professionals, e.g. physicians, radiologists, nurses, medical technicians, and assistants. UltraLinq is used to:
- · share reports and studies with other UltraLinq users,
- · review reports and studies,
- · download and save reports and studies,
- · send reports and studies to EMR and EHR systems, and
- · route reports and studies to other UltraLinq users.
UltraLinq provides access to medical images on mobile devices for non-diagnostic viewing and referral purposes. The mobile device access functionality is used for patient management by the medical community in order to access and display patient data, medical reports, and medical images. Mobile devices are not intended to replace full diagnostic workstations and should be used only when there is no access to a workstation.
UltraLinq is also intended for non-invasive processing of already acquired echocardiographic images in order to detect, measure, and calculate the left ventricular wall for left ventricular function evaluation. This measurement, available on workstations only, can be used to assist the clinician in cardiac evaluation.
This device is not to be used for mammography.
Additional Information (AI) to 510(k) - K143176
| Type of Use (Select one or both, as applicable) |
|-------------------------------------------------------------------|
| <span> Prescription Use (Part 21 CFR 801 Subpart D) </span> |
| <span> Over-The-Counter Use (21 CFR 801 Subpart C) </span> |
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### 510(k) Summary
### UltraLinq K143176
This 510(k) Summary is in conformance with 21CFR 807.92
| Submitter: | UltraLinq Healthcare Solutions, Inc.<br>236 West 30th Street, 6th Floor<br>New York, NY 10001<br>Phone: 646-666-9576 |
|------------|----------------------------------------------------------------------------------------------------------------------|
|------------|----------------------------------------------------------------------------------------------------------------------|
- Primary Contact: Rita King, CEO MethodSense, Inc. Email: ritaking@methodsense.com Phone: 919-313-3961 Fax: 919-313-3979
- Company Contact: Stephen Farber Chief Executive Officer
- Date Prepared: June 15, 2015
#### Device Name and Classification
| Trade Name: | UltraLinq |
|-----------------------|---------------------------------------------------------------|
| Common Name: | Picture Archiving Communications System (PACS) |
| Classification: | Class II |
| Regulation Number: | 892.2050 – Picture Archiving and Communications System (PACS) |
| Classification Panel: | Radiology |
| Product Code: | LLZ |
## Predicate Devices:
| | Primary Predicate | Secondary Predicate |
|---------------------------|-----------------------------------------|-------------------------------|
| Trade Name | ASTRA | LVivo EF Software Application |
| Common Name | Picture Archiving Communications System | Picture Archiving Device |
| 510(k) Submitter / Holder | Candelis, Inc. | DiACardio, Ltd. |
| 510(k) Number | K111694 | K130779 |
| Regulation Number | 892.2050 | 892.2050 |
| Classification Panel | Radiology | Radiology |
| Product Code | LLZ | LLZ |
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### Device Description and Intended Use
UltraLinq is a web-based software application that provides image processing and viewing tools and access to studies and reports from a web-enabled computer, iPad or iPhone.
UltraLing is intended for use by a physician or other trained medical professionals to receive, process, review, display and archive medical images and data from imaging modalities. Diagnosis is not performed by the software but by qualified Physicians.
UltraLinq is also intended for non-invasive processing of already acquired echocardiographic images in order to detect, measure, and calculate the left ventricular wall for left ventricular function evaluation. This measurement, available on workstations only, can be used to assist the clinician in a cardiac evaluation.
UltraLing conforms to the ACR/NEMA DICOM 3.0 standard for interoperability with other DICOM compliant systems.
#### Indications for Use
UltraLing is a software imagement system intended to receive, process, review, display, and archive medical images and data from imaging modalities (e.g. Ultrasound (US). and Magnetic Resonance (MR)). Images and data can be stored, communicated and displayed across computer systems and mobile devices. UltraLinq is a single system that can run on a web-enabled computer. iPad and iPhone and may be interfaced with other PACS systems. Diagnosis is not performed by the software but by qualified Physicians. Typical users of this system are trained and qualified professionals, e.g. physicians, radiologists, nurses, medical technicians, and assistants.
UltraLinq is used to:
- share reports and studies with other UltraLinq users,
- . review reports and studies,
- download and save reports and studies, ●
- send reports and studies to EMR and EHR systems, and ●
- . route reports and studies to other UltraLing users.
UltraLinq provides access to medical images on mobile devices for non-diagnostic viewing and referral purposes.
The mobile device access functionality is used for patient management by the medical community in order to access and display patient data, medical reports, and medical images. Mobile devices are not intended to replace full diagnostic workstations and should be used only when there is no access to a workstation.
UltraLinq is also intended for non-invasive processing of already acquired echocardiographic images in order to detect, measure, and calculate the left ventricular wall for left ventricular
{5}------------------------------------------------
function evaluation. This measurement, available on workstations only, can be used to assist the clinician in cardiac evaluation.
This device is not to be used for mammography.
## Substantial Equivalence
UltraLinq is substantially equivalent to predicate devices currently on the market. These devices are:
- . ASTRA by Candelis, Inc - K111694 (primary predicate device)
- LVivo EF Software Application by DiACardio, Ltd K130779 (secondary predicate ● device)
UltraLinq has the same intended use and indications for use as the predicate devices. The table below provides a detailed comparison of UltraLinq to the predicate devices.
### Detailed Comparison of the Subject and Predicate Devices
{6}------------------------------------------------
| Item | Subject Device | Primary Predicate Device | Secondary Predicate Device | Comparison |
|---------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------|
| Intended Use | UltraLinq<br>UltraLinq is intended for<br>use by a physician or other<br>trained medical<br>professionals to receive,<br>process, review, display<br>and archive medical<br>images and data from<br>imaging modalities.<br><br>UltraLinq is also intended<br>for non-invasive processing<br>of already acquired<br>echocardiographic images<br>in order to detect, measure,<br>and calculate the left<br>ventricular wall for left<br>ventricular function<br>evaluation. This<br>measurement, available on<br>workstations only, can be<br>used to assist the clinician<br>in a cardiac evaluation.<br><br>Diagnosis is not performed<br>by the software but by<br>qualified Physicians. | ASTRA<br>ASTRA is intended to be<br>used by trained<br>professionals, e.g.<br>Physicians, radiologists,<br>nurses, medical<br>technicians, and<br>assistants to receive,<br>process, review, display,<br>print and archive medical<br>images and data from<br>imaging modalities.<br><br>Diagnosis is not<br>performed by the software<br>but by Radiologists,<br>Clinicians or referring<br>Physicians. | LVivo EF Software<br>Application<br>LVivo EF Software<br>Application is intended<br>for non-invasive<br>processing of already<br>acquired<br>echocardiographic<br>images in order to<br>detect, measure, and<br>calculate the left<br>ventricular wall for left<br>ventricular function<br>evaluation. This<br>measurement can be<br>used to assist the<br>clinician in a cardiac<br>evaluation. | Identical to the LVivo EF<br>Software Application.<br><br>Equivalent to ASTRA<br>with the exception that<br>UltraLinq does not print<br>images. |
| Indications for Use | UltraLinq is a software<br>image management system<br>intended to receive,<br>process, review, display,<br>and archive medical | ASTRA is software image<br>management intended to<br>receive, process, review,<br>display, print and archive<br>medical images and data | LVivo EF Software<br>Application is intended<br>for non-invasive<br>processing of already<br>acquired | Identical to LVivo EF<br>Software Application<br><br>Equivalent to ASTRA<br>with the exception that |
| | | | | |
| images and data from | from imaging modalities | echocardiographic | UltraLinq does not print | |
| imaging modalities (e.g.<br>Ultrasound (US), and | (e.g. CR and DR). Images | images in order to | images and is not to be | |
| Magnetic Resonance | and data can be stored, | detect, measure, and | used for mammography. | |
| (MR)). Images and data | communicated, and | calculate the left | Also, equivalent to | |
| can be stored, | displayed within the | ventricular wall for left | ASTRA, UltraLinq | |
| communicated and | system or across | ventricular function | provides three different | |
| displayed across computer | computer systems. | evaluation. This | interfaces and runs on | |
| systems and mobile | ASTRA is comprised with | measurement can be | iPad and iPhone but | |
| devices. UltraLinq is a | three configurations | used to assist the | instead of 3 different | |
| single system that can run | depending upon the | clinician in a cardiac | configuration | |
| on a web-enabled | requirements of the user | evaluation. | implementations as | |
| computer, iPad and iPhone | and desired options:<br>ASTRA PLUS, ASTRA | | provided by ASTRA, | |
| and may be interfaced with | Lite, and ASTRA Mobile. | | UltraLinq is comprised of | |
| other PACS systems. | ASTRA runs on a PC | | a single configuration. | |
| Diagnosis is not performed | workstation, iPad, or | | | |
| by the software but by | iPhone and may be | | | |
| qualified Physicians. | interfaced with verified | | | |
| Typical users of this system | and validated image | | | |
| are trained and qualified | acquisition devices from | | | |
| professionals, e.g. | Candelis or other PACS | | | |
| physicians, radiologists, | systems. Diagnosis is not | | | |
| nurses, medical | performed by the software | | | |
| technicians, and assistants. | but by Radiologists,<br>Clinicians or referring | | | |
| UltraLinq is used to: | Physicians. Typical users | | | |
| • share reports and<br>studies with other<br>UltraLinq users, | of this system are trained<br>professionals, e.g. | | | |
| • review reports and<br>studies, | physicians, radiologists,<br>nurses, medical | | | |
| • download and save<br>reports and studies, | technicians, and<br>assistants. | | | |
| • send reports and studies<br>to EMR and EHR<br>systems, and | ASTRA Plus is used to:<br>share reports and studies | | | |
| • route reports and studies | with other ASTRA peers, | | | |
{7}------------------------------------------------
{8}------------------------------------------------
| to other UltraLinq users.<br>UltraLinq provides access<br>to medical images on<br>mobile devices for non-<br>diagnostic viewing and<br>referral purposes.<br>The mobile device access<br>functionality is used for<br>patient management by the<br>medical community in order<br>to access and display<br>patient data, medical<br>reports, and medical<br>images. Mobile devices are<br>not intended to replace full<br>diagnostic workstations and<br>should be used only when<br>there is no access to a<br>workstation.<br>UltraLinq is also intended<br>for non-invasive processing<br>of already acquired<br>echocardiographic images<br>in order to detect, measure,<br>and calculate the left<br>ventricular wall for left<br>ventricular function<br>evaluation. This<br>measurement, available on<br>workstation only, can be<br>used to assist the clinician<br>in cardiac evaluation.<br>This device is not to be<br>used for mammography. | review reports and<br>studies, download and<br>save reports, send reports<br>to local EMR, HER, RIS,<br>HIS or PACS systems<br>(HL7 send), route studies<br>to PACS, Workstations, or<br>other ASTRA peers.<br>ASTRA Lite is used to:<br>share reports and studies<br>with ASTRA peers, review<br>reports and studies,<br>download and save<br>reports, send reports to<br>local EMR, HER, RIS, HIS<br>or PACS system s (HL7<br>send).<br>ASTRA Mobile is used to:<br>share reports with other<br>ASTRA peers, review<br>reports, download and<br>save reports, send reports<br>to local EMR, HER, HIS<br>or PACS systems (HL7<br>send).<br>Only pre-processed<br>DICOM for presentation<br>images can be interpreted<br>by primary image<br>diagnosis in<br>mammography. Lossy<br>compressed<br>Mammographic images | |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--|
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--|
{9}------------------------------------------------
| | | and digitized film screen<br>images may only be<br>interpreted using and FDA<br>approved monitor that<br>offers at least 5 Megapixel<br>resolution and meets<br>other technical<br>specifications reviewed<br>and accepted by FDA. | | |
|-------------------------------------------------------------------------------------------------------------|-----|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-----|--------------------------------------------------------------|
| Internet Based<br>Software | Yes | Yes | No | Equivalent to ASTRA |
| Receive, store,<br>retrieve, process,<br>review, and/or<br>display Medical<br>Images | Yes | Yes | Yes | Equivalent to ASTRA<br>and LVivo EF Software<br>Application |
| Receives DICOM<br>images from<br>Imaging<br>modalities. | Yes | Yes | Yes | Equivalent to ASTRA<br>and LVivo EF Software<br>Application. |
| Cloud-based<br>computing and<br>storage for<br>transfer and<br>sharing of studies,<br>images and<br>reports | Yes | Yes | No | Equivalent to ASTRA. |
| Software operates<br>on off-the-shelf<br>hardware | Yes | Yes | Yes | Equivalent to ASTRA<br>and LVivo EF Software<br>Application |
| Image storage and<br>archive server | Yes | Yes | No | Equivalent to ASTRA |
| Displays images<br>on mobile devices | Yes | Yes | No | Equivalent to ASTRA |
| Conforms to<br>DICOM Standard | Yes | Yes | Yes | Equivalent to ASTRA<br>and LVivo EF Software |
| for interoperability<br>with other DICOM<br>compliant systems | | | | Application |
| Routing of images | Yes | Yes…
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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.
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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.