K151414 · Edda Technology · JAK · Nov 20, 2015 · Radiology
Device Facts
Record ID
K151414
Device Name
IQQA Guide
Applicant
Edda Technology
Product Code
JAK · Radiology
Decision Date
Nov 20, 2015
Decision
SESE
Submission Type
Traditional
Regulation
21 CFR 892.1750
Device Class
Class 2
Attributes
Software as a Medical Device, Real-World Evidence
Real-World Evidence
Submission
Device
Sponsor
RWD Sources
RWE Use Summary
Key Tags
K151414 · Nov 20, 2015
IQQA Guide
Edda Technology
Clinical site patient interventional procedures
The device was used by physicians during clinical interventional procedures to validate system functionalities and assess registration performance (accuracy) in a real-world clinical setting.
Clinical site testing; Observational/Clinical use validation
Patients undergoing clinical interventional procedures; Number of Sites: 2
Not applicable for this study
System registration performance (accuracy)
Indications for Use
The IQQA-Guide System is a stereotactic accessory for Computed Tomography (CT). It displays simulated image of interventional instruments (such as biopsy needle, ablation needle, probe) on a computer monitor that also shows an imaging-based 3D model of the patient anatomy, and the current and the projected future path of the interventional instruments. The system supports the imaging-based model derived from physician's confirmed segmentation results of patient's image scans, including intra-operative CT, pre-procedural CT, and CT or MR previously acquired before surgical procedures. Additionally, overlaying ultrasound images (when available) may be displayed with the model of patient anatomy. The system supports a workflow based on automated image registrations of spatial mapping from one image space to another image space, or from image space to physician may interactively adjust and confirm registration results, and evaluate 3D visualization and quantitative information in terms of distance, size, and spatial location associated with patient anatomy and instruments. The system is intended for intra-operative guidance for surgical procedures. It is intended for use by trained physicians in clinical intervention and for structures where imaging is currently used for visualizing such procedures.
Device Story
IQQA-Guide is a stereotactic accessory for CT systems; utilizes electromagnetic (EM) tracking to navigate interventional instruments (biopsy needles, ablation needles, probes) relative to patient anatomy. Input: patient image scans (intra-operative/pre-procedural CT, MR) and optional ultrasound overlays; EM sensor data from compatible external instruments. Processing: automated image registration of spatial mapping between image spaces or image-to-physical space; physician-confirmed segmentation of anatomy. Output: 3D visualization on computer monitor showing simulated instrument path relative to anatomy; quantitative metrics (distance, size, spatial location). Used in clinical intervention settings by trained physicians. Healthcare providers use output for real-time guidance during procedures; aids in surgical planning and navigation. Benefits: improved spatial awareness and precision during minimally invasive interventions.
Clinical Evidence
Bench testing and clinical site validation performed. Phantom experiments demonstrated registration accuracy of 2.35±1.23mm and 2.23±0.82mm. Clinical patient studies showed registration accuracy of 4.62±3.07mm and 4.9±1.9mm. Testing confirmed system functionality and performance against design intent.
Technological Characteristics
Stereotactic accessory for CT; utilizes electromagnetic tracking. Hardware: standard PC. Connectivity: DICOM (PS 3.1-3.18). Safety standards: ANSI/AAMI/IEC 60601-1 (3rd Ed, 2012) and 60601-1-2 (4th Ed, 2014). Software: v1.0, upgrade from IQQA-BodyImaging (K141745).
Indications for Use
Indicated for intra-operative guidance for surgical procedures in clinical interventions where imaging (CT, MR, or ultrasound) is used for visualization. Intended for use by trained physicians.
Regulatory Classification
Identification
A computed tomography x-ray system is a diagnostic x-ray system intended to produce cross-sectional images of the body by computer reconstruction of x-ray transmission data from the same axial plane taken at different angles. This generic type of device may include signal analysis and display equipment, patient and equipment supports, component parts, and accessories.
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Food and Drug Administration 10903 New Hampshire Avenue Document Control Center - WO66-G609 Silver Spring, MD 20993-0002
November 20, 2015
EDDA Technology % Daniel Kamm Submission Correspondent 5 Independence Way PRINCETON NJ 08540
Re: K151414 Trade/Device Name: IQQA-Guide Regulation Number: 21 CFR 892.1750 Regulation Name: Computed tomography x-ray system Regulatory Class: II Product Code: JAK Dated: October 22, 2015 Received: October 27, 2015
Dear Mr. Kamm:
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.
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If you desire specific advice for your device on our labeling regulation (21 CFR Part 801), please contact the Division of Industry and Consumer Education 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.
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Sincerely yours.
Michael O'Hara
For
Robert Ochs, Ph.D. Director Division of Radiological Health Office of In Vitro Diagnostics and Radiological Health Center for Devices and Radiological Health
Enclosure
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# Indications for Use
510(k) Number (if known) K151414
Device Name IQQA-Guide
Indications for Use (Describe)
The IQQA-Guide System is a stereotactic accessory for Computed Tomography (CT). It displays simulated image of interventional instruments (such as biopsy needle, ablation needle, probe) on a computer monitor that also shows an imaging-based 3D model of the patient anatomy, and the current and the projected future path of the interventional instruments.
The system supports the imaging-based model derived from physician's confirmed segmentation results of patient's image scans, including intra-operative CT, pre-procedural CT, and CT or MR previously acquired before surgical procedures. Additionally, overlaying ultrasound images (when available) may be displayed with the model of patient anatomy.
The system supports a workflow based on automated image registrations of spatial mapping from one image space to another image space, or from image space to physician may interactively adjust and confirm registration results, and evaluate 3D visualization and quantitative information in terms of distance, size, and spatial location associated with patient anatomy and instruments.
The system is intended for intra-operative guidance for surgical procedures. It is intended for use by trained physicians in clinical intervention and for structures where imaging is currently used for visualizing such procedures.
| Type of Use (Select one or both, as applicable) | |
|----------------------------------------------------------------------------------|--------------------------------------------------------------------------------|
| <div> <span> Prescription Use (Part 21 CFR 801 Subpart D) </span> </div> | <div> <span> Over-The-Counter Use (21 CFR 801 Subpart C) </span> </div> |
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# EDDA Technology 510(k) Summary K151414 5 Independence Way Princeton, NJ 08540 Tel: 609-919-9889 Fax: 609-919-9779 Contact: Xiaolan Zeng, Executive Vice President Date prepared: November 14, 2015
- 1. Identification of the Device:
Proprietary - Trade Name: IQQA-Guide Common Name: Computer assisted image-guided system Classification Name: Computed Tomography X-ray System Regulation Number: 21 CFR 892.1750 Regulatory Class: Class II Product Code: JAK
- 2. Substantially equivalent legally marketed devices:
| Manufacturer | Name of the Predicate Device | FDA 510(k) Number | FDA Clearance Date | CFR/Product Code |
|-------------------------------|---------------------------------------------------|-------------------|--------------------|-----------------------|
| Veran Medical<br>Technologies | ig4 Image Guided System | K093995 | 01/27/2010 | 21 CFR892.1750<br>JAK |
| Traxtal Technologies | ABARIS, Computer assisted,<br>image-guided system | K053610 | 04/19/2006 | 21 CFR892.1750<br>JAK |
- 3. Indications for Use (intended use):
The IQQA-Guide System is a stereotactic accessory for Computed Tomography (CT). It displays simulated image of interventional instruments (such as biopsy needle, ablation needle, probe) on a computer monitor that also shows an imaging-based 3D model of the patient anatomy, and the current and the projected future path of the interventional instruments.
The system supports the imaging-based model derived from physician's confirmed segmentation results of patient's image scans, including intra-operative CT, pre-procedural CT, and CT or MR previously acquired before surgical procedures. Additionally, overlaying ultrasound images (when available) may be displayed with the model of patient anatomy.
The system supports a workflow based on automated image registrations of spatial mapping from one image space to another image space, or from image space to physical space. Physician may interactively adjust and confirm registration results, and evaluate 3D visualization and quantitative information in terms of distance, size, and spatial location associated with patient anatomy and instruments.
The system is intended for intra-operative guidance for surgical procedures. It is intended for use by trained physicians in clinical intervention and for structures where imaging is currently used for visualizing such procedures.
- 4. Description of the device:
The IQQA-Guide System is a stereotactic accessory for Computed Tomography (CT). It utilizes electromagnetic tracking technology to locate and navigate instruments relative to an imaging-based model of the patient anatomy. IOOA-Guide displays the simulated image of interventional instruments (such as biopsy needle, ablation needle, probe) on a computer monitor that also shows
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the imaging-based 3D model of the patient anatomy, and the current and the projected future path of the interventional instruments.
IQQA-Guide supports the imaging-based 3D model derived from physician's confirmed segmentation results of patient's image scans, including intra-operative CT, pre-procedural CT, and CT or MR previously acquired before surgical procedures. The model of segmentation results may also be loaded from saved reports of the IQOA-BodyImaging software (K141745). Additionally, overlaying ultrasound images (when available) may be displayed with the model of patient anatomy. The system supports a workflow based on automated image registrations of spatial mapping from one image space to another image space, or from image space to physical space. Physician may interactively adjust and confirm registration results, and evaluate 3D visualization and quantitative information in terms of distance, size, and spatial location associated with patient anatomy and instruments.
The IQQA-Guide system consists of an EM tracking system, software, and a computer system. The system is intended for intra-operative guidance for surgical procedures. It is intended for use by trained physicians in clinical intervention and for structures where imaging is currently used for visualizing such procedures.
The EM sensor and accessories that are compatible with the IQQA-Guide are cleared by the FDA in K092619, including eTRAXTM Needle System, General Purpose Sensor, and VirtuTRAX Instrument Navigator. They are not part of the IQQA-Guide system and are sourced separately.
The compatible EM sensor and accessories are connected to the submitted device IQQA-Guide by plugging the connector part of the K092619 sensor into the receptacles on the front panel of the EM tracking system contained in the IQQA-Guide.
The software contained in the submitted device IQQA-Guide (v1.0), is an upgrade from the already cleared IQQA-BodyImaging (K141745).
| | Device of 510(k) submission:<br>IQQA-Guide (version 1.0) | Predicate Device:<br>ig4 Image Guided System<br>K093995 | Predicate Device:<br>ABARIS, Computer<br>assisted, image-guided<br>system K053610 |
|------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| Manufacturer | EDDA Technology | Veran Medical Technologies | Traxtal Technologies |
| Indications for<br>Use | The IQQA-Guide System is a<br>stereotactic accessory for Computed<br>Tomography (CT). It displays<br>simulated image of interventional<br>instruments (such as biopsy needle,<br>ablation needle, probe) on a computer<br>monitor that also shows an imaging-<br>based 3D model of the patient<br>anatomy, and the current and the<br>projected future path of the<br>interventional instruments. The system<br>supports the imaging-based model<br>derived from physician's confirmed<br>segmentation results of patient's image<br>scans, including intra-operative CT,<br>pre-procedural CT, and CT or MR<br>previously acquired before surgical<br>procedures. Additionally, overlaying<br>ultrasound images (when available)<br>may be displayed with the model of<br>patient anatomy. The system supports<br>a workflow based on automated image<br>registrations of spatial mapping from<br>one image space to another image | The ig4TM Image Guided System is a<br>stereotactic accessory for Computed<br>Tomography (CT) or 3D<br>fluoroscopic x-ray systems.<br>The ig4 System is indicated for<br>interventional displaying an<br>instrument such as a biopsy needle,<br>an aspiration needle, or ablation<br>needle on a computer monitor that<br>also displays a CT-based or 3D<br>fluoroscopic X-ray-based model of<br>the target organ(s). The ig4TM<br>System is additionally indicated for<br>overlaying Ultrasound images onto<br>the model of the target organ(s). The<br>ig4TM System compensates for the<br>patient's respiratory phases.<br>The ig4TM System is intended for<br>use in clinical interventions and for<br>anatomical structures where<br>computed tomography, 3D<br>fluoroscopic x-ray, or ultrasound are<br>currently used for visualizing such<br>procedures. | ABARIS is a stereotaxic<br>accessory for Computed<br>Tomography (CT), Magnetic<br>(MR), Resonance, Ultrasound<br>(US), Positron Emission<br>Tomography (PET), Single<br>Photon Emission Computed<br>Tomography (SPECT),<br>Fluoroscopy, Endoscopy and<br>other imaging systems. It<br>displays the simulated image of<br>a tracked insertion tool such as a<br>biopsy needle, guidewire or<br>probe on a computer monitor<br>screen that shows images of the<br>target organs and the current and<br>the projected future path of the<br>interventional instrument taking<br>into account movements<br>of the patient. This is intended<br>for treatment planning and intra-<br>operative guidance for surgical<br>procedures. The device also<br>supports an image-free mode in |
| | Device of 510(k) submission:<br>IQQA-Guide (version 1.0) | Predicate Device:<br>ig4 Image Guided System<br>K093995 | Predicate Device:<br>ABARIS, Computer<br>assisted, image-guided<br>system K053610 |
| | space, or from image space to physical<br>space. Physician may interactively<br>adjust and confirm registration results,<br>and evaluate 3D visualization and<br>quantitative information in terms of<br>distance, size, and spatial location<br>associated with patient anatomy and<br>instruments. The system is intended<br>for intra-operative guidance for<br>surgical procedures. It is intended for<br>use by trained physicians in clinical<br>intervention and for structures where<br>imaging is currently used for<br>visualizing such procedures. | | which the proximity of the<br>interventional device is<br>displayed relative to another<br>device. The device is intended<br>to be used in clinical<br>interventions and for anatomical<br>structures where imaging is<br>currently used for visualizing<br>such procedures. The device is<br>also intended for use in clinical<br>interventions to determine the<br>proximity of one device relative<br>to another. |
| Tracking<br>technology | Electromagnetic tracking<br>technology | same | same |
| Computer<br>Hardware<br>Configuration | standard PC hardware | standard PC hardware | standard PC hardware |
| User Interface | A graphical user interface for<br>users to interact with the<br>software, select tools and drive<br>workflow | A graphical user interface for<br>users to interact with the<br>software, select tools and<br>drive workflow | A graphical user interface<br>for users to interact with<br>the software, select tools<br>and drive workflow |
| Instrument<br>display | Displaying dynamically the<br>simulated image of tracked<br>instrument | same | same |
| Patient<br>imaging<br>display | Use of acquired patient<br>imaging for anatomy structure:<br>-CT during intervention<br>-CT pre-procedural<br>- Previously acquired CT, MR<br>-Ultrasound during intervention<br>when available | Use of acquired patient<br>imaging for anatomy<br>structure:<br>CT, 3D fluoroscopic X-ray,<br>ultrasound | Use of acquired patient<br>imaging for anatomy<br>structure:<br>CT, MR, PET, SPECT,<br>Ultrasound, Fluoroscopy<br>etc |
| Combined<br>display | Combine the display of<br>simulated instrument and<br>display of patient<br>imaging/anatomy model | same | Same |
| clinical<br>environment<br>to be used in | Used in clinical interventions<br>and for anatomical structure<br>where imaging is currently used<br>for visualizing such procedures | Used in clinical interventions<br>and for anatomical structure<br>where imaging is currently<br>used for visualizing such<br>procedures | For all stages of surgery.<br>Including hospital<br>operating rooms,<br>outpatient surgery centers<br>and procedure rooms |
| Used by | For use by trained physicians | same | same |
# 5. Comparison with predicate devices - IFU and Technological characteristics
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IQQA-Guide has the same intended use and similar technological/functional features as the predicate devices in providing tools and workflow designs to support physician users to visualize and evaluate tracked interventional instrument with respect to patient imaging data.
The IQQA-Guide device is utilized only by trained professionals. The trained professionals, providing ample opportunity for competent human intervention interpret images and information being displayed. They are competent to determine whether the images and information being displayed can be useful in the decision of patient management. Physicians make all final patient management decision.
IQQA-Guide and predicate devices are substantially equivalent in the areas of technical characteristics, principles of operation, and functional features. IQQA-Guide does not raise any new potential safety risks and is equivalent in performance to the existing legally marketed devices.
- 6. Safety and Effectiveness:
The IQQA-Guide labeling contains instructions for use and necessary cautions, warnings and notes to provide for safe and effective use of the device. Risk Management is ensured via the company's design control and risk management procedures. Potential hazards are controlled via development and verification and validation testing. The device complies with the following standards:
| | Standards No. | Standards Organization | Standards Title | Version | Date |
|---|----------------------------|------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------|------|
| 1 | PS 3.1 - 3.18<br>(2009) | NEMA | Digital Imaging and Communications in<br>Medicine (DICOM) Set | 3 | 2009 |
| 2 | ANSI/AAMI/IEC<br>60601-1 | ANSI/AAMI/IEC | Medical Electrical Equipment – Part 1: General<br>Requirements for<br>Basic Safety and Essential Performance (Third<br>Edition, Amendment 1 2012). | 3Ed | 2012 |
| 3 | ANSI/AAMI/IEC<br>60601-1-2 | ANSI/AAMI/IEC | Medical Electrical Equipment,<br>Part 1-2: General Requirements for Safety and<br>Essential Performance - Collateral Standard:<br>Electromagnetic Disturbances – Requirements<br>and Tests. 4th Ed. (2014). | 4th Ed | 2014 |
# 7. Testing Information and Performance:
All product specifications were verified and validated. Testing was performed according to internal company procedures and applicable standards.
The system was tested for electromagnetic compatibility and electrical safety according to the IEC60601-1 and IEC 60601-1-2 standards.
Software testing and validation were done according to written test protocols established before testing was conducted. Test results were reviewed by designated technical professionals. Additionally, to supplement system and software validation for IQQA-Guide, the company has
conducted testing at clinical site. The purpose of the testing is to have physicians use the IQQA-
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Guide during clinical interventional procedures, validate major functionalities provided by the system, and provide feedback along the line of the intended use of the system. Regarding system registration performance, experiments involving intervention on phantoms showed accuracy of 2.35±1.23mm and 2.23±0.82mm at two hospital sites respectively, and experiments involving patient studies showed accuracy of 4.62±3.07mm and 4.9±1.9mm at two hospital sites respectively.
In all instances, test results support the conclusion that actual device performance satisfies the design intent.
#### 8. Conclusion
The IQQA-Guide has the same intended use as the predicate devices. Test results demonstrate that the device is safe, effective, and does not raise any new potential safety risks. In all material respects, the IQQA-Guide is substantially equivalent to the predicate devices.
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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 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.
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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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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.