The DR 800 system is indicated for performing dynamic imaging examinations (fluoroscopy and/or rapid sequence) of the following anatomies/procedures: - Positioning fluoroscopy procedures - Gastro-intestinal examinations - Urogenital tract examinations - Angiography It is intended to replace fluoroscopic images obtained through image intensifier technology. In addition, the system is intended for project radiography of all body parts. The DR 800 is not intended for manimography applications.
Device Story
DR 800 is a floor-mounted R/F X-ray system capturing digital images via flat-panel detectors. System includes tube, operator console, motorized tilting patient table, bucky, and optional wall stand/ceiling suspension. Operated by clinicians in clinical settings. Uses NX workstation with MUSICA Dynamic image processing to transform raw detector signals into diagnostic images. Output viewed by radiologists/physicians for clinical decision-making in fluoroscopy and radiography. Benefits include wide dynamic range, digital image capture replacing traditional image intensifiers, and optimized processing for various patient sizes/exams. Pediatric-specific features include grid-less FLFS, specific AEC values, and age-based protocol settings.
Clinical Evidence
Bench testing only. No clinical or animal trials performed. Validation included usability/functionality evaluations by radiographers, Full Leg Full Spine (FLFS) clinical validation, dose control validation using adult/pediatric phantoms, and image quality validation using anthropomorphic phantoms. Results confirmed performance met acceptance criteria, with image quality rated between good and excellent.
Indicated for dynamic imaging (fluoroscopy/rapid sequence) and general radiography of all body parts in adult and pediatric patients. Procedures include positioning fluoroscopy, gastro-intestinal, urogenital, and angiography. Not indicated for mammography.
Regulatory Classification
Identification
An image-intensified fluoroscopic x-ray system is a device intended to visualize anatomical structures by converting a pattern of x-radiation into a visible image through electronic amplification. This generic type of device may include signal analysis and display equipment, patient and equipment supports, component parts, and accessories.
Special Controls
*Classification.* Class II (special controls). An anthrogram tray or radiology dental tray intended for use with an image-intensified fluoroscopic x-ray system only is exempt from the premarket notification procedures in subpart E of part 807 of this chapter subject to the limitations in § 892.9. In addition, when intended as an accessory to the device described in paragraph (a) of this section, the fluoroscopic compression device is exempt from the premarket notification procedures in subpart E of part 807 of this chapter subject to the limitations in § 892.9.
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Image /page/0/Picture/0 description: The image contains the logos of the Department of Health and Human Services and the Food and Drug Administration (FDA). The Department of Health and Human Services logo is on the left, and the FDA logo is on the right. The FDA logo includes the FDA acronym in a blue square, followed by the words "U.S. FOOD & DRUG ADMINISTRATION" in blue text.
Agfa HealthCare N.V. % Ms. Shaeann Cavanagh Regulatory Affairs Manager Agfa HealthCare Corporation 10 South Academy Street GREENVILLE. SC 29601
April 5, 2018
Re: K180589
Trade/Device Name: DR 800 with MUSICA Dynamic TM Regulation Number: 21 CFR 892.1650 Regulation Name: Image-Intensified Fluoroscopic X-Ray System Regulatory Class: Class II Product Code: JAA Dated: March 5, 2018 Received: March 6, 2018
Dear Ms. Cavanagh:
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
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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 (OS) regulation (21 CFR Part 820); 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,
Michael D. 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)
### K180589
Device Name
DR 800 with MUSICA Dynamic
Indications for Use (Describe)
The DR 800 system is indicated for performing dynamic imaging examinations (fluoroscopy and/or rapid sequence) of the following anatomies/procedures:
- · Positioning fluoroscopy procedures
- · Gastro-intestinal examinations
- · Urogenital tract examinations
- · Angiography
It is intended to replace fluoroscopic images obtained through image intensifier technology. In addition, the system is intended for project radiography of all body parts.
The DR 800 is not intended for manimography applications.
Type of Use (Select one or both, as applicable)
Prescription Use (Part 21 CFR 801 Subpart D)
Over-The-Counter Use (21 CFR 801 Subpart C)
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## 510(K) SUMMARY
### Agfa HealthCare DR 800 with MUSICA Dynamic
#### I. SUBMITTER
Agfa HealthCare N.V. Septestraat 27 B-2640 Mortsel Belgium Contact: Wim Govaerts, Prepared: March 5, 2018 Telephone: + 32 3444 6246
#### DEVICE II.
Name of Device: DR 800 with MUSICA DynamicTM Common Name: System, X-Ray, Fluoroscopic, Image-Intensified Classification Name: Image-Intensified Fluoroscopic X-ray System Regulatory Classification: Class II, 21 CFR 892.1650 Product Code: JAA
#### III. PREDICATE DEVICE
This is a 510(k) for Agfa's DR 800 with MUSICA Dynamic, which is an image-intensified fluoroscopic x-ray system. It is substantially equivalent to General Medical Merate S.P.A.'s OPERA Swing (K140380).
Name of Device: OPERA Swing Common Name: System, X-Ray, Fluoroscopic, Image-Intensified Classification Name: Image-Intensified Fluoroscopic X-ray System Regulatory Classification: Class II, 21 CFR 892.1650 Product Code: JAA
This predicate device has not been subject to a design-related recall.
#### IV. DEVICE DESCRIPTION
Agfa HealthCare's DR 800 is an image-intensified fluoroscopic x-ray system (product code JAA) intended to capture images of the human body. The DR 800 is a floor-mounted R/F system that consists of a tube and operator console with a motorized tilting patient table and bucky with optional wall stand, FLFS overlay and ceiling suspension. The new device uses Agfa's NX workstation with MUSICA Dynamic™ image processing and flat-panel detectors for digital and wide dynamic range image capture. It is capable of replacing other direct radiography, image intensifying tubes and TV cameras, including computed radiography systems with conventional or phosphorous film cassettes.
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This submission is to add the DR 800 with MUSICA Dynamic software to Agfa's radiography portfolio.
The optional image processing allows users to conveniently select image processing settings for different patient sizes and examinations. The image processing algorithms in the new device are similar to those previously cleared and used in Aefa's radiography portfolio today which includes the DR 600 (K152639) and DR 400 (K141192). The addition of the dynamic image processing is identical to the predicate device (K140380).
Principles of operation and technological characteristics of the new and predicate device are the same. The new device is virtually identical to predicate K140380 with the exception that it has Agfa's MUSICA Dynamic software instead of the predicate's ATS software. It uses the same flat panel detectors to capture and digitize the image. Differences in devices do not alter the intended diagnostic effect.
Laboratory data and image quality evaluations conducted with independent radiologists confirm that performance is equivalent to the predicates.
Configuration information for the flat-panel detectors can be found in the DR 14s (K161368) and DR 800. User Manuals. The DR 14s and RFFL4343 detectors can be integrated in an X-ray system that communicates to a workstation. The Service Manual details the possible configurations and integrations with the NX workstation and X-ray generator. All of Agfa HealthCare's DR X-ray systems (i.e. DX-D 100-K103597, DX-D 300-K103050, DX-D 600-K112670, DR 400-K141192, DR 600-K152639) will integrate with the detectors. The NX4.0 Service Manual, Chapter 4 and associated appendices addresses the installation and configuration with other system components.
#### INDICATIONS FOR USE V.
The DR 800 system is indicated for performing dynamic imaging examinations (fluoroscopy and/or rapid sequence) of the following anatomies/procedures:
- Positioning fluoroscopy procedures
- Gastro-intestinal examinations
- Urogenital tract examinations
- Angiography ●
It is intended to replace fluoroscopic images obtained through image intensifier technology. In addition, the system is intended for project radiography of all body parts.
The DR 800 is not intended for mammography applications.
NOTE: The mammography applications embedded in the MUSICA software are for previously cleared CR imaging applications (K081963) and not intended for DR or fluoroscopic imaging. Furthermore, the additional mammography software is only available through additional license keys that must be purchased. These licenses are only available outside of the USA.
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#### VI. PEDIATRIC USE SUMMARY
The DR 800 is intended for general populations, including adult and pediatric patients. Specific design features of the DR 800 for pediatric use include but not limited to using the FLFS application without the grid, specific AEC values, and NX protocol settings per pediatric age range.
#### VII. COMPARISON OF TECHNOLOGICAL CHARACTERISTICS WITH PREDICATE DEVICES
Agfa HealthCare's DR 800 with MUSICA Dynamic and General Medical Merate S.P.A.'s OPERA Swing predicate device (K140380) are image-intensified fluoroscopic x-ray imaging devices. Product Code JAA. Agfa's DR 800 is substantially equivalent to the predicate device (K140380) in that it uses precisely the same technology to capture and transmit images. The DR 800 is a floormounted R/F system that consists of a tube and operator console with a motorized tilting patient table and bucky with optional wall stand, FLFS overlay and ceiling suspension. The new device uses Agfa's NX workstation with MUSICA Dynamic™ image processing and flat-panel detectors for digital and wide dynamic range image capture. It is capable of replacing other direct radiography, image intensifying tubes and TV cameras, including computed radiography systems with conventional or phosphorous film cassettes.
Principles of operation and technological characteristics of the new and predicate device are the same. The new device is virtually identical to predicate K140380 with the exception that it has Agfa's MUSICA Dynamic software instead of the predicate's ATS software. It uses the same flat panel detectors to capture and digitize the image. Differences in devices do not alter the intended diagnostic effect.
The optional image processing allows users to conveniently select image processing settings for different patient sizes and examinations. The image processing algorithms in the new device are similar to those previously cleared and used in Agfa's radiography portfolio today which includes the DR 600 (K152639) and DR 400 (K141192). The addition of the dynamic image processing is identical to the predicate device (K140380).
Agfa's DR 800 has an Indications For Use statement virtually identical to the predicate device (K140380). Intended uses are the same. The devices have technological characteristics.
The DR 800 indications for use is equivalent to the predicate (K140380) because both include the delineation of anatomical areas and imaging applications. The DR 800 includes the statement that the device is not indicated for mammography; however, the predicate device (K140380) Indications For Use statement does not indicate mammography in the identified list of imaging applications.
Descriptive characteristics and performance data including image quality evaluations by qualified radiologists are adequate to ensure equivalence. Differences in devices do not alter the intended therapeutic/diagnostic effect.
Table 1 on the next page summarizes the similarities and differences between the new device and predicate.
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| | DR 800 (New Device)<br>Agfa HealthCare | Opera Swing (PREDICATE-K140380)<br>General Medical Merate |
|-----------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| Communications | Same as predicate | DICOM |
| Flat Panel Detectors | Same as predicate | RF FL4343, Pixium 2430 (DR10s),<br>Pixium 3543 (DR14s) |
| Detector Material | Same as predicate | Gadolinium Oxysulfide (GOS) or<br>Cesium Iodide (CsI) scintillator |
| Detector Sizes | Same as predicate | 17x17 in. |
| Field Sizes | Same as predicate | 43 x 43 cm<br>30 x 30 cm<br>20 x 20 cm<br>15 x 15 cm |
| Pixel Size | Same as predicate | 148 µm |
| Dynamic Range | Same as predicate | 16 bit |
| Matrix Size | Same as predicate | Static - 2880 x 2880<br>Dynamic - 1024 x 1024 |
| Power Supply | Same as predicate | 50-60 Hz<br>100-240V auto ranging |
| Operator Workstation | Agfa NX | Diagnostic Workstation |
| Image processing | MUSICA Dynamic,<br>MUSICA2<br>MUSICA3/3+ | ATS Software |
| Tabletop Features | Tilt +/- 90°<br>240 x 80 cm<br>265 kg maximum weight | Tilt +/- 90°<br>240 x 65 cm<br>227 kg maximum weight |
| Generators | Same as predicate | Choice of three models:<br>50-80 KW |
| Operating System | Same as predicate | Windows 7, 8, 8.1, 10 |
| Display System | Separately cleared medical display (K051901) | Separately cleared medical display |
| Indications for Use<br>Statements | The DR 800 systems is indicated for performing<br>dynamic imaging examinations (fluoroscopy and/or<br>rapid sequence) of the following<br>anatomies/procedures: Positioning fluoroscopy<br>procedures, Gastro-intestinal examinations,<br>Urogenital tract examinations, and Angiography. It<br>is intended to replace fluoroscopic images obtained<br>through intensifier technology. In addition, the<br>system is intended for project radiography of all<br>body parts. The DR 800 is not intended for<br>mammography applications. | The Opera Swing is indicated for<br>performing general radiography,<br>fluoroscopy and angiography<br>procedures/applications. The device is<br>intended for use in: Skeleton, Chest and<br>lungs, Pediatrics,<br>Emergency/traumatology,<br>Gastroenterology, Urology and<br>gynecology, Linear tomography, Digital<br>angiography and Stitching. |
Table 1: Device Comparison Table
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#### VIII. PERFORMANCE DATA
Laboratory testing and software testing (for a moderate level of concern device) using equivalent test protocols were evaluated by qualified individuals employed by the sponsor and independent radiologists to demonstrate that adequate design controls (according to 21 CFR 820.30) were in place.
Verification and validation testing confirmed the device meets performance, safety, usability and security requirements. Pediatric indications were also taken into account. Results were verified and validated.
No clinical trials were performed in the device. No animal or clinical studies were performed in the development of the new device. No patient treatment was provided or withheld.
### Bench Testing
Clinical image quality evaluations, performance/functionality and usability data, FLFS clinical validation and dose control evaluation data has been provided. No patient treatment was provided or withheld. No clinical or animal testing was performed in the development of the DR 800.
- o Usability and functionality evaluations were conducted with qualified independent radiographers and internal experts. The results of these tests fell within the acceptance criteria for the DR 800 R/F X-ray system and some improvements will be implemented based on these results; the DR 800 supports a radiographic and fluoroscopic workflow including dynamic and static imaging, continuous and rapid sequence exams, calibration, and positioning.
- Full Leg Full Spine (FLFS) clinical validation for the DR 800 R/F X-Ray system was ● conducted with a qualified internal radiographer. The FLFS clinical validation for the mount stitch grid, imaging ranges of a certain tolerance and transversal collimation, and medical ruler exposure fulfilled the acceptance criteria and passed the assessment with minor fails that will be solved. A comparison test and validation of FLFS landscape was conducted for NX Luna to compare the FLFS software with the current FLFS software already on the market. This comparison test was conducted with several qualified internal experts. The results of the FLFS comparison test for NX Luna concluded that the FLFS software is equal to or better than the current FLFS software currently on the market. The results of the FLFS landscape validation for the NX Luna concluded that the FLFS landscape functional design meets to user needs.
- Dose control validation was conducted with a qualified internal expert to evaluate the level of dose control in adult and pediatric phantoms with pulsed and continuous fluoroscopy exams. The results fulfilled the acceptance criteria that none of the detector doses would measure higher than the DIN-norm or exceed the dose limit curve.
- Image Quality Validation testing was conducted using anthropomorphic phantoms and evaluated by qualified independent radiographers and internal experts. The image quality validation included testing a full range of applications for the DR 800 R/F X-ray system with MUSICA Dynamic, MUSICA3 Abdomen+ and the R/F flat-panel detector compared to reference images using anonymized phantoms. The test results indicated that the pulsed
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and continuous fluoroscopy imaging of the DR 800 R/F X-ray system with MUSICA Dynamic was between good and excellent and passed the acceptance criteria. The test results showed MUSICA3 Abdomen+ images were suitable for diagnosis with an overall higher image quality. The test results proved clinical acceptability for static images made with the R/F flat-panel detector (FL4343).
### Software Verification and Validation Testing
Verification and validation plans comprise of test protocols. The complete device has been certified and validated. During the final risk analysis meeting, the risk management team concluded that the medical risk is no greater than with conventional x-ray film previously released to the field.
For the NX4.0 (NX Luna) there are a total of 274 risks in the broadly acceptable region and 26 risks in the ALARP region with only three of these risks identified. Zero risks were identified in the Not Acceptable Region. Therefore, the device is assumed to be safe, the benefits of the device are assumed to outweigh the residual risk. The software risk assessed on solution level for the DR 800 and also includes separate risk assessments for the NX4.0 software and XRDI.
The term "Level of Concern" means the level of risk that the software device is determined to be if the software were to fail. The Level of Concern for the DR 800 and NX4.0 has been determined to be moderate.
### Electrical Safety and Electromagnetic Compatibility (EMC) Testing:
- IEC 60601-1: 2012 Medical Electrical Equipment: General Requirements for Safety and Essential ● Performance.
- IEC 60601-1-2: 2007 Medical Electrical Equipment - Part 1-2: General Requirements for Safety and Essential Performance - Collateral Standard: Electromagnetic Compatibility - Requirements and Tests.
- IEC 60601-1-3: 2008 Medical Electrical Equipment Part 1-3: General Requirements for Safety and . Essential Performance - Collateral Standard: Radiation Protection in Diagnostic X-Ray Equipment
- IEC 60601-2-54: 2009 Medical Electrical Equipment -- Part 2-54: Particular Requirements for the ● Basic Safety and Essential Performance of X-Ray Equipment for Radiography and Radioscopy.
The DR 800 with MUSICA Dynamic is compliant to the FDA Subchapter J mandated performance standard 21 CFR 1020.30 – 1020.32.
Agfa's in-house standard operating procedures were also used for the development of the device and software; these procedures conform to the following standards:
- ISO 13485:2003 Medical Devices Quality Management Systems 0
- ISO 14971:2012 Application of Risk Management to Medical Devices
- IEC 62304:2006 Medical Device Software Software life cycle processes ●
- ISO 62366:2007 Medical Devices Application of Usability Engineering ●
- ACR/NEMA PS3.1-3.20: 2011 Digital Imaging and Communications in Medicine (DICOM) ●
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### Guidance Documents
Agfa utilized the following guidance documents in the development of the DR 800 with MUSICA Dynamic™
- Guidance for the Content of Premarket Submissions for Software Contained in Medical ● Devices (May 2005)
- Cybersecurity for Networked Medical Devices Containing Off-The-Shelf (OTS) Software (January 2005)
- Off-the-Shelf Software Use in Medical Devices (September 1999)
- Content of Premarket Submissions for Management of Cybersecurity in Medical Devices (October 2014)
- Guidance for Pediatric Information for X-ray Imaging Device Premarket Notifications ● (November 2017)
### Summary
Based on the performance data as documented in the above testing, the DR 800 is found to have a safety and effectiveness profile that is similar to the predicate device.
#### IX. CONCLUSIONS
Agfa's DR 800 has indications for use that is consistent with those of the legally marketed predicate device (K140380). Intended uses are the same. Where technological characteristics differ lab tests concluded that the device is substantially equivalent to the predicate in that it does not alter the intended therapeutic/diagnostic effect.
The new device and the OPERA Swing predicate device (K140380) are image-intensified fluoroscopic x-ray systems Product Code JAA. Agfa's DR 800 is substantially equivalent to the predicate device (K140380) in that it uses precisely the same technology to capture and transmit images.
This 510(k) has demonstrated Substantial Equivalence as defined and understood in the Federal Food Drug and Cosmetic Act and various guidance documents issued by the Center for Devices and Radiological Health.
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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.
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.
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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.