K172490 · Client Outlook, Inc. · LLZ · Feb 6, 2018 · Radiology
Device Facts
Record ID
K172490
Device Name
eUnity
Applicant
Client Outlook, Inc.
Product Code
LLZ · Radiology
Decision Date
Feb 6, 2018
Decision
SESE
Submission Type
Traditional
Regulation
21 CFR 892.2050
Device Class
Class 2
Attributes
Software as a Medical Device
Indications for Use
eUnity is a software application that displays medical image data and associated clinical reports to aid in diagnosis for healthcare professionals. It performs operations relating to the transfer, storage, display, and measurement of image data. eUnity allows users to perform image manipulations, including window/level, rotation, measurement and markup. eUnity provides 2D display, Multi-Planar Reformating and 3D visualization of medical image data, and mobile access to images. eUnity displays both lossless and lossy compressed images. For lossy images, the medical professional user must determine if the level of loss is acceptable for their purposes. Display monitors or mobile devices used for reading medical images for diagnostic purposes must comply with applicable regulatory approvals and with quality control requirements for their use and maintenance. For mobile diagnostic usage when a full workstation is not available. Mobile usage for mammography is for reference and referral only.
Device Story
eUnity is a server-based software application enabling web-browser access to medical (DICOM) images; eliminates need for client-side software installation. Inputs include DICOM image data from PACS; transforms data for display, manipulation (window/level, rotation, measurement, markup), and 3D visualization (MIP/MPR). Used by healthcare professionals in hospitals, remote locations, or via EHR/portal integration. Provides diagnostic-quality images on standard web browsers and mobile devices (iPhone, iPad, Samsung Galaxy). Mobile usage includes a luminance check tool to assess lighting conditions before diagnosis. Output is visual image data for clinical review; supports diagnostic decision-making by licensed practitioners. Benefits include improved access, collaboration, and workflow efficiency.
Clinical Evidence
Clinical validation performed by trained radiologists comparing eUnity on mobile devices against predicate devices across various lighting conditions. Study confirmed consensus among radiologists that identical diagnoses were achieved on mobile devices compared to predicate workstations. Bench testing included functional, smoke, and regression testing, supplemented by beta testing at customer sites.
Technological Characteristics
Server-based software; thin-client architecture; runs in standard web browsers. Supports DICOM, IHE, and non-DICOM formats. Features include 2D/3D visualization (MIP, MPR, volume rendering), image manipulation tools, and mobile luminance check. Connectivity via HTTPS. No specific hardware materials; software-only device.
Indications for Use
Indicated for healthcare professionals to aid in diagnosis by displaying medical image data and clinical reports. Used for 2D, Multi-Planar Reformatting (MPR), and 3D visualization of medical images. Mobile diagnostic use is indicated only when a full workstation is unavailable; mammography mobile use is restricted to reference and referral only.
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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Client Outlook Inc. Christie Eby Director of Operations & Quality 103 Bauer Place. Suite #3 Waterloo, ON N2T 2V2 CANADA
February 6, 2018
Re: K172490
Trade/Device Name: eUnity Regulation Number: 21 CFR 892.2050 Regulation Name: Picture Archiving And Communications System Regulatory Class: Class II Product Code: LLZ Dated: January 2, 2018 Received: January 4, 2018
Dear Christie Eby:
We have reviewed your Section 510(k) premarket notification of intent to market the device referenced above and have determined the device is substantially equivalent (for the indications for use stated in the enclosure) to legally marketed predicate devices marketed in interstate commerce prior to May 28, 1976, the enactment date of the Medical Device Amendments, or to devices that have been reclassified in accordance with the provisions of the Federal Food. Drug, and Cosmetic Act (Act) that do not require approval of a premarket approval application (PMA). You may, therefore, market the device, subject to the general controls provisions of the Act. The general controls provisions of the Act include requirements for annual registration, listing of devices, good manufacturing practice, labeling, and prohibitions against misbranding and adulteration. Please note: CDRH does not evaluate information related to contract liability warranties. We remind you, however, that device labeling must be truthful and not misleading.
If your device is classified (see above) into either class II (Special Controls) or class III (PMA), it may be subject to additional controls. Existing major regulations affecting your device can be found in the Code of Federal Regulations, Title 21, Parts 800 to 898. In addition, FDA may publish further announcements concerning your device in the Federal Register.
Please be advised that FDA's issuance of a substantial equivalence determination does not mean that FDA has made a determination that your device complies with other requirements of the Act or any Federal statutes and regulations administered by other Federal agencies. You must comply with all the Act's requirements, including, but not limited to: registration and listing (21 CFR Part 807); labeling (21 CFR Part 801); medical device reporting of medical device-related adverse events) (21 CFR 803); good manufacturing practice requirements as set forth in the quality systems (QS) regulation (21 CFR Part 820);
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and if applicable, the electronic product radiation control provisions (Sections 531-542 of the Act); 21 CFR 1000-1050.
Also, please note the regulation entitled, "Misbranding by reference to premarket notification" (21 CFR Part 807.97). For questions regarding the reporting of adverse events under the MDR regulation (21 CFR Part 803), please go to http://www.fda.gov/MedicalDevices/Safety/ReportaProblem/default.htm for the CDRH's Office of Surveillance and Biometrics/Division of Postmarket Surveillance.
For comprehensive regulatory information about mediation-emitting products, including information about labeling regulations, please see Device Advice (https://www.fda.gov/MedicalDevices/DeviceRegulationandGuidance/) and CDRH Learn (http://www.fda.gov/Training/CDRHLearn). Additionally, you may contact the Division of Industry and Consumer Education (DICE) to ask a question about a specific regulatory topic. See the DICE website (http://www.fda.gov/DICE) for more information or contact DICE by email (DICE@fda.hhs.gov) or phone (1-800-638-2041 or 301-796-7100).
Sincerely,
Sincerely,
Michael D. O'Hara For
Robert A. Ochs. Ph.D. Director Division of Radiological Health Office of In Vitro Diagnostics and Radiological Health Center for Devices and Radiological Health
Enclosure
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# Indications for Use
Form Approved: OMB No. 0910-0120 Expiration Date: 06/30/2020 See PRA Statement below.
510(k) Number (if known) K172490
Device Name eUnity
Indications for Use (Describe)
eUnity is a software application that displays medical image data and associated clinical reports to aid in diagnosis for healthcare professionals. It performs operations relating to the transfer, storage, display, and measurement of image data.
eUnity allows users to perform image manipulations, including window/level, rotation, measurement and markup. eUnity provides 2D display, Multi-Planar Reformating and 3D visualization of medical image data, and mobile access to images.
eUnity displays both lossless and lossy compressed images. For lossy images, the medical professional user must determine if the level of loss is acceptable for their purposes. Display monitors or mobile devices used for reading medical images for diagnostic purposes must comply with applicable regulatory approvals and with quality control requirements for their use and maintenance. For mobile diagnostic usage when a full workstation is not available.
Mobile usage for mammography is for reference and referral only.
Type of Use (Select one or both, as applicable)
| <div> <span> <svg class="bi bi-check-square" fill="currentColor" height="1em" viewbox="0 0 16 16" width="1em" xmlns="http://www.w3.org/2000/svg"> <path d="M14 1H2a1 1 0 0 0-1 1v12a1 1 0 0 0 1 1h12a1 1 0 0 0 1-1V2a1 1 0 0 0-1-1zM2 0a2 2 0 0 0-2 2v12a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V2a2 2 0 0 0-2-2H2z" fill-rule="evenodd"></path> <path d="M10.97 4.97a.75.75 0 0 1 1.071 1.05l-3.992 4.99a.75.75 0 0 1-1.08.02L4.324 8.384a.75.75 0 1 1 1.06-1.06l2.094 2.093 3.473-4.425a.75.75 0 0 1 1.08-.022z" fill-rule="evenodd"></path> </svg> </span>Prescription Use (Part 21 CFR 801 Subpart D) </div> |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| <div> <span> <svg class="bi bi-square" fill="currentColor" height="1em" viewbox="0 0 16 16" width="1em" xmlns="http://www.w3.org/2000/svg"> <path d="M14 1H2a1 1 0 0 0-1 1v12a1 1 0 0 0 1 1h12a1 1 0 0 0 1-1V2a1 1 0 0 0-1-1zM2 0a2 2 0 0 0-2 2v12a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V2a2 2 0 0 0-2-2H2z" fill-rule="evenodd"></path> </svg> </span>Over-The-Counter Use (21 CFR 801 Subpart C) </div> |
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This 510(k) summary is submitted in accordance with the requirements of 21 CFR Part 807.92(c)
| Basis for the submission: | Client Outlook hereby submits this traditional 510(k) submission for eUnity software which is substantially equivalent to the FDA cleared previous version of eUnity Software (k161515) |
|-----------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| Submitter: | Client Outlook Inc.<br>103 Bauer Place, Suite #3<br>Waterloo, Ontario<br>Canada N2L 6B5 |
| Date: | August 14, 2017 |
| Establishment Registration: | 3009601121 |
| Contact: | Christie Eby, Director of Operations & Quality<br>Tel: 519-342-3049 x206<br>Fax: 519-725-2351 |
| Trade Name: | eUnity |
| Common Name: | Medical Image Processing Software |
| Classification: | Picture Archiving and Communications Software (PACS) |
| Product Code: | LLZ |
| Device Class: | Class II |
| Regulation #: | 21 CFR 892.2050 |
| Device Panel: | Radiology |
#### Predicate Devices:
| Trade Name | 510 (k) Submitter/ Manufacturer | 510 (k) number |
|------------|---------------------------------|----------------|
| eUnity | Client Outlook Inc. | K161515 |
#### Reference Predicate Devices:
| Trade Name | 510 (k) Submitter/ Manufacturer | 510 (k) number |
|---------------|---------------------------------|----------------|
| Resolution MD | Calgary Scientific | K161130 |
| Vue Motion | Carestream | K151774 |
#### Device Description:
Client Outlook has developed eUnity to load, display and manipulate medical (DICOM) images within a web-browser without installing client software. eUnity is a server-based software solution that extends common web-browsers on the most popular operating systems into medical review stations; removing a technical barrier that had long been a key contributor to poor medical image access.
eUnity is an enterprise medical image viewer that provides access to full quality images from anywhere using nothing more than a standard web browser. Combined with a calibrated monitor, it can be used to make diagnostic decisions. Secure, fast, immediate access to information means less time spent
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searching for specialized workstations and supports greater efficiency for care, greater collaboration, and faster turnaround times.
This device is the successor to eUnity predicate (K161515) and adds the following functionality: MIP/MPR/3D and Mobile Diagnostic Use.
The following devices are validated for use with eUnity for Mobile:
iPhone version 6 and higher versions, iPad Mini and higher versions, iPad pro and higher versions, Samsung Galaxy Note 5 and higher versions, and Samsung Galaxy Tab E and higher versions.
## Intended Use:
Client Outlook's eUnity enables health professionals to access, manipulate and collaborate real-time over full quality medical images using any web-browser without installing client software. eUnity is a server-based solution that connects to any PACS and displays DICOM images within the hospital, securely from remote locations, or as an integrated part of an EHR or portal. eUnity offers diagnostic quality images with the performance of installed PACS viewing software.
## Indications for Use:
eUnity is a software application that displays medical image data and associated clinical reports to aid in diagnosis for healthcare professionals. It performs operations relating to the transfer, storage, display, and measurement of image data.
eUnity allows users to perform image manipulations, including window/level, rotation, measurement and markup.
eUnity provides 2D display, Multi-Planar Reformatting and 3D visualization of medical image data, and mobile access to images.
eUnity displays both lossless and lossy compressed images. For lossy images, the medical professional user must determine if the level of loss is acceptable for their purposes. Display monitors or mobile devices used for reading medical images for diagnostic purposes must comply with applicable regulatory approvals and with quality control requirements for their use and maintenance. For Mobile diagnostic usage only when a full workstation is not available.
Mobile usage for mammography is for reference and referral only.
## Patient Interaction:
eUnity is a software device that handles medical images. It does not contact the patient, nor control any life sustaining devices. Prior to any medical decisions, a licensed medical practitioner reviews the output, providing ample opportunity for competent human intervention for the interpretation of images and information being displayed.
Client Outlook Inc. - eUnity 510(k) Summary - Section 5
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# Comparison to predicate devices CHART:
| System, Image Processing, Radiological | | | | |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------|
| Category | Client Outlook<br>'eUnity' | A)Predicate<br>Client Outlook<br>'eUnity' | B)Calgary<br>Scientific<br>ResolutionMD<br>Mobile | C)Carestream<br>Vue Motion |
| 510K | | K161515 | K133508 | K151774 |
| Class | Class II | Class II | Class II | Class II |
| Intended Use - for full descriptions - see appendices | | | | |
| Intended Use | Diagnostic<br>Quality | Diagnostic<br>Quality | Diagnostic<br>Quality | Diagnostic Quality |
| User Install<br>Requirements | Thin Client - no<br>install, runs<br>within browser | Thin Client - no<br>install, runs<br>within browser | Thin Client - no<br>install, runs within<br>browser | Thin Client - no<br>install, runs within<br>browser |
| Communications | DICOM, IHE,<br>Non-DICOM | DICOM, IHE | DICOM, Non-<br>DICOM | DICOM, Non-<br>DICOM |
| Modalities | CR, CT, DX,<br>ECG, MR, MG,<br>NM, OP, PR,<br>PT, RF, SC,<br>SR, US, XA, VL | CR, CT, DX,<br>ECG, MR, MG,<br>NM, OP, PR,<br>PT, RF, SC,<br>SR, US, XA, VL | CT, MR, CR, DX,<br>ES, KO, NM, OP,<br>OT, PT, SC, US,<br>XA, IO, XC,<br>RTIMAGE, OPT,<br>SR, RF | CR, DR, CT, MR,<br>NM, ECG, US |
| Tools | | | | |
| Window Level,<br>Rotate/Pan/Zoom,<br>Reset, Presets,<br>Invert | yes | yes | yes | yes |
| Multi-Study<br>viewing, Image<br>printing, Report<br>Printing, Image<br>Export | yes | yes | yes | yes |
| Metadata<br>display/hide | yes | yes | yes | yes |
| Orientation<br>labels,<br>Keyboard<br>shortcuts, | yes | yes | yes | yes |
| Measurement<br>tools, Annotation<br>tools (Line,<br>Arrow, Polygon,<br>Freehand, Text) | yes | yes | yes | yes |
| Full-screen<br>mode,<br>Collaboration,<br>Multimonitor,<br>Linking Series,<br>Revert to<br>Original, Image<br>Sharing,<br>Triangulation,<br>Image scrolling,<br>Layouts, Linked<br>scrolling,<br>Reference lines,<br>Image flip and<br>rotate, Image<br>measurements, | yes | yes | yes | yes |
| Grayscale<br>softcopy<br>presentation<br>states (GSPS) | yes | yes | yes | yes |
| KIN | yes | yes | yes | yes |
| Mag lens | yes | yes | yes | yes |
| MIP/MPR/3D Features: | | | | |
| Multi-Planar<br>reformat (MPR) | yes | no | yes | yes |
| Maximum<br>Intensity<br>Projection (MPR) | yes | no | yes | yes |
| Oblique and<br>double-oblique<br>reformat,<br>Triangulate,<br>Rotate | yes | no | yes | yes |
| 3D Volume,<br>orientation<br>widget,<br>Opacity preset,<br>Scalpel Tool,<br>Bone Removal | yes | no | yes | yes |
| Mobile Specific Features: | | | | |
| Mobile<br>Luminance<br>Check(test to be<br>performed by<br>user to determine<br>lighting<br>conditions prior<br>to diagnosis) | yes | no | yes | yes |
| Security | | | | |
| Data Encryption | HTTPS | HTTPS | HTTPS | HTTPS |
| Data Security | Stored on<br>Server | Stored on<br>Server | Stored on Server | Stored on Server |
| Access Control | Can either use<br>built in access<br>control or when<br>launched from<br>parent<br>application can | Can either use<br>built in access<br>control or when<br>launched from<br>parent<br>application can | Can either use<br>built in access<br>control or when<br>launched from<br>parent application | Can either use<br>built in access<br>control or when<br>launched from<br>parent application |
| Client Outlook™<br>Inc. | 510(k) Summary Document – eUnity TM | Approved | | |
| | utilize its<br>access control | utilize its<br>access control | can utilize its<br>access control | can utilize its<br>access control |
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Approved
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# Summary of Testing and conclusion
As required by the Risk Analysis, designated individuals performed all verification and validation activities and results demonstrated that the device meets its design requirements and intended use, and that it is safe and effective. Verification testing executed by multiple team members included functional, smoke and regression tests and was complimented by beta tests performed by Client Outlook partners and Validation in test systems at customer sites.
Additional Clinical Validation testing based on typical clinical workflows was performed by trained radiologists in comparison with an existing device and on several different hardware devices. Refer to the Validation Summaries in Section 12 for additional information. There was consensus among all the Radiologists that the same diagnosis would be made on the mobile device with eUnity as on the predicate device in various lighting conditions.
# Conclusion:
The Intended use and technological characteristics of the Client Outlook eUnity software are substantially equivalent, in our opinion, to those of the predicate device and reference devices and do not pose any new issues of safety and effectiveness. The device and the predicates are post-processing and provide the same or similar essential features of visualization of radiological data on mobile devices.
The modified eUnity device offers the same functionality as the K161515 eUnity device with the addition of the Mobile enhanced capabilities and 3D viewing capabilities that are found in the Reference Predicate device.
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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.
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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.
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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.
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Reading rule for every project: how many summaries do you read in full?
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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.
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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.
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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.
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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.
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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.