The GXR-Series Diagnostic X-Ray System, (Models GXR-SD, GXR-S, SGXR-S, FDR Smart FGXR-S), is a stationary X-ray imaging system, for the purpose of acquiring X-ray images of the desired parts of a patient's anatomy. This device is not intended for mammography or bone density applications.
Device Story
Stationary X-ray imaging system; includes high-voltage generator, tube support, beam limiter, table, Bucky stand, and X-ray tube. Operates via high-frequency inverter. GXR-SD model includes flat-panel digital detector and RADMAX image management software; GXR-S models are analog (no detector/software). Used in clinical settings by trained operators (technicians/physicians). Operator console features LCD display and membrane switches for parameter selection. APR (Anatomical Programming) and optional AEC (Automatic Exposure Control) optimize exposure factors. RADMAX software provides image processing (flip, rotate, zoom, annotation, measurement, stitching) and PACS connectivity. Output is radiographic X-ray image for diagnostic assessment. Benefits include optimized image quality and efficient workflow for general radiography.
Clinical Evidence
Bench testing only. Validation testing evaluated input/output functions and system performance against predetermined criteria. Compliance with IEC 60601 series (safety/EMC), ISO 14971 (risk management), and NEMA PS 3.1-3.20 (DICOM) verified.
Technological Characteristics
Stationary X-ray system; high-frequency inverter generator; capacitor-assisted power supply. GXR-SD includes VAREX 4343R/4336W flat-panel detectors. Connectivity via DICOM (NEMA PS 3.1-3.20). Software life cycle per IEC 62304. Standards: IEC 60601-1, 60601-1-2, 60601-1-3, 60601-2-28, 60601-2-54, IEC 62494-1, ISO 14971.
Indications for Use
Indicated for acquiring X-ray images of patient anatomy. Not for mammography or bone density applications.
Regulatory Classification
Identification
A stationary x-ray system is a permanently installed diagnostic system intended to generate and control x-rays for examination of various anatomical regions. 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). A radiographic contrast tray or radiology diagnostic kit intended for use with a stationary 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.
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September 26, 2019
Image /page/0/Picture/1 description: The image shows the logo of the U.S. Food and Drug Administration (FDA). The logo consists of two parts: on the left, there is a seal with an eagle emblem, and on the right, there is the text "FDA U.S. FOOD & DRUG ADMINISTRATION" in blue. The text is arranged in two lines, with "FDA" in a larger font size and a blue square behind it.
DRGEM Corporation % Mr. Carl Aletto Consultant OTech Inc. 8317 Belew Drive MCKINNEY TX 75071
## Re: K192364
Trade/Device Name: GXR-Series Diagnostic X-Ray System (Models GXR-SD, GXR-S, SGXR-S, FDR Smart FGXR-S) Regulation Number: 21 CFR 892.1680 Regulation Name: Stationary x-ray system Regulatory Class: Class II Product Code: KPR, MQB Dated: August 27, 2019 Received: August 30, 2019
## Dear Mr. Aletto:
We have reviewed your Section 510(k) premarket notification of intent to market the device referenced above and have determined the device is substantially equivalent (for the indications for use stated in the enclosure) to legally marketed predicate devices marketed in interstate commerce prior to May 28, 1976, the enactment date of the Medical Device Amendments, or to devices that have been reclassified in accordance with the provisions of the Federal Food, Drug, and Cosmetic Act (Act) that do not require approval of a premarket approval application (PMA). You may, therefore, market the device, subject to the general controls provisions of the Act. Although this letter refers to your product as a device, please be aware that some cleared products may instead be combination products. The 510(k) Premarket Notification Database located at https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfpmn/pmn.cfm identifies combination product submissions. The general controls provisions of the Act include requirements for annual registration, listing of devices, good manufacturing practice, labeling, and prohibitions against misbranding and adulteration. Please note: CDRH does not evaluate information related to contract liability warranties. We remind you, however, that device labeling must be truthful and not misleading.
If your device is classified (see above) into either class II (Special Controls) or class III (PMA), it may be subject to additional controls. Existing major regulations affecting your device can be found in the Code of Federal Regulations, Title 21, Parts 800 to 898. In addition, FDA may publish further announcements concerning your device in the Federal Register.
Please be advised that FDA's issuance of a substantial equivalence determination does not mean that FDA has made a determination that your device complies with other requirements of the Act or any Federal 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
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801; medical device reporting of medical device-related adverse events) (21 CFR 803) for devices or postmarketing safety reporting (21 CFR 4, Subpart B) for combination products (see https://www.fda.gov/combination-products/guidance-regulatory-information/postmarketing-safety-reportingcombination-products); good manufacturing practice requirements as set forth in the quality systems (QS) regulation (21 CFR Part 820) for devices or current good manufacturing practices (21 CFR 4. Subpart A) for combination products; and, if applicable, the electronic product radiation control provisions (Sections 531-542 of the Act); 21 CFR 1000-1050.
Also, please note the regulation entitled, "Misbranding by reference to premarket notification" (21 CFR Part 807.97). For questions regarding the reporting of adverse events under the MDR regulation (21 CFR Part 803), please go to https://www.fda.gov/medical-device-safety/medical-device-reportingmdr-how-report-medical-device-problems.
For comprehensive regulatory information about medical devices and radiation-emitting products, including information about labeling regulations, please see Device Advice (https://www.fda.gov/medicaldevices/device-advice-comprehensive-regulatory-assistance) and CDRH Learn (https://www.fda.gov/training-and-continuing-education/cdrh-learn). Additionally, you may contact the Division of Industry and Consumer Education (DICE) to ask a question about a specific regulatory topic. See the DICE website (https://www.fda.gov/medical-device-advice-comprehensive-regulatoryassistance/contact-us-division-industry-and-consumer-education-dice) for more information or contact DICE by email (DICE@fda.hhs.gov) or phone (1-800-638-2041 or 301-796-7100).
Sincerely,
For
Thalia T. Mills, Ph.D. Director Division of Radiological Health OHT7: Office of In Vitro Diagnostics and Radiological Health Office of Product Evaluation and Quality Center for Devices and Radiological Health
Enclosure
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# Indications for Use
510(k) Number (if known) K192364
Device Name
GXR-Series Diagnostic X-Ray System, (Models GXR-SD, GXR-S, SGXR-S, FDR Smart FGXR-S)
#### Indications for Use (Describe)
The GXR-Series Diagnostic X-Ray System, (Models GXR-SD, GXR-S, FDR Smart FGXR-S), is a stationary X-ray imaging system, for the purpose of acquiring X-ray images of the desired parts of a patient's anatomy. This device is not intended for mammography or bone density applications.
| Type of Use (Select one or both, as applicable) | |
|------------------------------------------------------------|---------------------------------------------|
| <span></span> Prescription Use (Part 21 CFR 801 Subpart D) | <div></div> |
| | Over-The-Counter Use (21 CFR 801 Subpart C) |
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Image /page/3/Picture/1 description: The image shows the logo for DRGEM, a healthcare provider. The logo consists of the text "DRGEM" in a bold, sans-serif font, with "DR" in black and "GEM" in teal. Below the company name is the tagline "Your Best Healthcare" in a smaller, italicized font. The alphanumeric code "K192364" is printed below the tagline.
This 510(k) Summary of safety and effectiveness information is being submitted in accordance with the requirements of 21 CFR 807.92.
### I. SUBMITTER
DRGEM Corporation 7F E-B/D Gwangmyeong Techno-Park 60, Haan-ro, Gwangmyeong-si, Gyeonggi-do, 14322 Korea Email: radcheck@drgem.co.kr TEL: +82-2-869-8566, FAX: +82-2-869-8567
Contact Person: Mr. Ki-Nam YANG, Director | QM representative
Date Prepared: September 25, 2019
Regulatory Consultant:
Carl Alletto, OTech Inc. 215 E University Dr., Suite B Denton, TX 76209-2011, USA Email: carl@otechimq.com TEL: (940) 440-9791
### II. DEVICE
| Product Name: | GXR-Series Diagnostic X-Ray System, (Models GXR-SD, GXR-S, SGXR-S, FDR Smart FGXR-S) |
|-------------------|--------------------------------------------------------------------------------------|
| Common Name: | Stationary X-Ray System |
| Classification: | Stationary x-ray system, 21 CFR 892.1680 |
| Product Code: | KPR, MQB |
| Regulatory Class: | II |
### III. PREDICATE DEVICES
Primary Predicate Device DIAMOND K102408, by DRGEM, product code KPR.
Reference Predicate Device
RADMAX Digital Imaging Software, K182537, by DRGEM, product code: LLZ
#### IV. DEVICE DESCRIPTION
The GXR-Series Diagnostic X-Ray System, (Models GXR-SD, GXR-S, SGXR-S, FDR Smart FGXR-S) is comprised of 2 main configurations: GXR-SD and GXR-S, with SGXR-S, FDR Smart FGXR-S being different brand names for GXR-S. Both configurations are designed to diagnose the human body by providing radiographic x-ray image with anatomical structure.
GXR-S, SGXR-S, FDR Smart FGXR-S (analog) and GXR-SD (digital) have the same xray hardware components. However, the GXR-SD model contains image management (PACS) software and a flat panel digital detector. Interoperability is defined in the DICOM Conformance Statement which is part of the device labeling and is based upon NEMA PS 3.1 - 3.20 (2016). Digital Imaging and Communications in Medicine (DICOM) Set DICOM Standard.
The GXR-S does not have image management software and does not have a digital detector.
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Image /page/4/Picture/0 description: The image shows the logo for DRGEM, a healthcare company. The logo consists of the text "DRGEM" in a bold, sans-serif font. The "DR" is in black, while the "GEM" is in teal. Below the company name is the text "Your Best Healthcare" in a smaller, sans-serif font, also in teal. The logo is simple and modern, and the colors are professional and trustworthy.
The GXR-SD, GXR-S, SGXR-S, FDR Smart FGXR-S, models consist of a high voltage (HV) generator, a tube support unit, an X-ray beam limiting device, patient table, wall Bucky stand, and an x-ray tube, that operates on a high-frequency inverter method.
The operator control console is designed to be simple and user-friendly, and the user can select or change x-ray parameters easily using a large graphic LCD panel display and a soft membrane switch. The GXR Series, high frequency X-ray generator features accuracy, reproducibility and long-term stability with capacitor assisted general line power supply. The APR (Anatomical Programming) and the optional AEC (Automatic Exposure Control) features gives the user control of exposure factors, automatically optimized for the radiological study selected.
RADMAX Digital Imaging Software (K182537) by DRGEM, is used in the GXR-SD model to serve as an interface to the hardware and images. Anatomical view-based digital image processing automatically optimizes and enhances the quality of the captured images.
Note 1: RADMAX (K182537) Digital Imaging Software (the Reference Predicate) is a digital X-ray image processing software designed for acquiring images and processing acquired images. The software can be used together with a digital X-ray detector and or an X-Ray generator. The main features of the RADMAX software are controlling and interfacing the detector, acquiring images after X-ray, storing acquired images, managing data, and image processing. "It can also perform system control such as the collimation size, filter selection, etc. for the GXR-S series."
### V. INDICATIONS FOR USE
The GXR-Series Diagnostic X-Ray System, (Models GXR-SD, GXR-S, SGXR-S, FDR Smart FGXR-S), is a stationary X-ray imaging system, for the purpose of acquiring X-ray images of the desired parts of a patient's anatomy. This device is not intended for mammography or bone density applications.
### VI. COMPARISON OF TECHNOLOGICAL CHARACTERISTICS WITH THE PREDICATE DEVICES
The subject device and the primary predicate device are stationary x-ray devices. There will be 2 main configurations: GXR-SD that includes a flat panel detector, and the models GXR-S, SGXR-S, FDR Smart FGXR-S do not have a detector. The GXR-Series Diagnostic X-Ray System, GXR-SD Models will use the integrated reference predicate (RADMAX K182537) device PACS image management processing software. The GXR-S, SGXR-S, FDR Smart FGXR-S models will not have image management processing software and images must be processed with other PACS workstation software.
Any differences between the subject device and the predicates and the new device has no impact on safety or efficacy of the new device and does not raise any new potential or increased safety risks and is equivalent in performance to existing legally marketed devices.
| Item | Subject Device | Predicate Device | Reference Predicate | Impact of Differences |
|--------------|-----------------------------------------|-----------------------------------------------------|--------------------------------------------------------|-----------------------|
| Device Name | GXR-Series Diagnostic Imaging<br>System | DIGITAL<br>DIAGNOSTIC X-<br>RAY SYSTEM<br>(K102408) | RADMAX Digital<br>Imaging System<br>Software (K182537) | Not applicable |
| Manufacturer | DRGEM<br>Corporation | DRGEM<br>Corporation | DRGEM Corporation | Not applicable |
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Image /page/5/Picture/0 description: The image contains the logo for DRGEM. The letters 'DR' are in bold black font, while 'GEM' is in a teal color. Below the logo is the text 'Your Best Healthcare' in a smaller, lighter font.
| Model Number | GXR-S, SGXR-S, FDR Smart<br>FGXR-S | GXR-SD | DIAMOND<br>5A/6A/8A | RADMAX | Not applicable |
|---------------------------------------------------|-------------------------------------------|-------------------------------------------------|-------------------------------------------|----------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| High<br>Frequency X-ray Generator | | | | | |
| Output Power | 32KW, 40KW,<br>52KW, 68KW,<br>82KW | 32KW, 40KW,<br>52KW, 68KW,<br>82KW | 52KW, 68KW,<br>82KW | Not applicable,<br>RADMAX is image<br>management<br>software and does<br>not have Output<br>Power. | Yes, there is a difference in<br>output values but no<br>difference in generators.<br>See Difference Explanation<br>below. |
| Generator<br>models<br>(manufactured<br>by DRGEM) | GXR-32, GXR-40, GXR-52,<br>GXR-68, GXR-82 | GXR-32, GXR-40, GXR-52,<br>GXR-68, GXR-82 | GXR-52, GXR-68,<br>GXR-82 | Not applicable | Yes, there is a difference.<br>Models have been tested<br>against International Safety<br>and EMC Standards. Any<br>differences between the<br>subject device and<br>predicate device do not<br>change or add new<br>potential safety risks. It is<br>our determination that there<br>is "No negative impact on<br>safety or efficacy" and<br>there are no new potential<br>or increased safety risks<br>concerning this difference. |
| Line voltage | 220~230VAC,<br>380/400/480VAC, | 220~230VAC<br>380/400/480VAC | 400/480VAC | Not applicable | Yes, there are differences<br>in line voltage depending<br>upon the system<br>requirements. Models have<br>been tested against<br>International Safety and<br>EMC Standards. Any<br>differences between the<br>subject device and<br>predicate device do not<br>change or add new<br>potential safety risks. It is<br>our determination that there<br>is "No negative impact on<br>safety or efficacy" and<br>there are no new potential<br>or increased safety risks<br>concerning this difference |
| Image<br>Acquisition | | | | | |
| Detector | Detector not<br>supplied with<br>system | VAREX<br>Model 4343R<br>v3<br>Model 4336W<br>v4 | VAREX<br>Model 4343R v3<br>Model 4336W v4 | Not applicable | Yes, there is a difference.<br>The model GXR-S<br>predicate device does not<br>have the detector as part of<br>the system but is supplied<br>by the User. The system<br>has been tested and there<br>is "No negative impact on<br>safety or efficacy" and<br>there are no new potential<br>or increased safety risks<br>concerning this difference. |
| Image<br>Management | | | | | |
| Software | | | | | |
| Horizontal Flip | Not available | Available | Available | Available | Yes, there is a difference.<br>The GXR-S models, does<br>not have image processing<br>software since there is no<br>flat panel delivered as part<br>of the system. The user<br>must process images using<br>other PACS workstations.<br>The system has been<br>tested and there is "No<br>negative impact on safety<br>or efficacy" and there are<br>no new potential or<br>increased safety risks<br>concerning this difference. |
| Vertical Flip | Not available | Available | Available | Available | Same as above |
| Rotate<br>CW/CCW | Not available | Available | Available | Available | Same as above |
| Text<br>Annotation | Not available | Available | Available | Available | Same as above |
| Ruler: Distance<br>tool | Not available | Available | Available | Available | Same as above |
| Angle<br>measurement<br>tool | Not available | Available | Available | Available | Same as above |
| Zoom | Not available | Available | Available | Available | Same as above |
| Magnify | Not available | Available | Available | Available | Same as above |
| Image panning | Not available | Available | Available | Available | Same as above |
| Auto fitting to<br>window size | Not available | Available | Available | Available | Same as above |
| Image crop/cut<br>function | Not available | Available | Available | Available | Same as above |
| Image Copy | Not available | Available | Available | Available | Same as above |
| Recover the<br>original image | Not available | Available | Available | Available | Same as above |
| Window level<br>CD Burning | Not available | Available | Available | Available | Same as above |
| DICOM Print | Not available | Available | Available | Available | Same as above |
| Image<br>Stitching | Not available | Available | Available | Available | Same as above |
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Image /page/6/Picture/0 description: The image shows the logo for DRGEM, a healthcare company. The logo consists of the text "DRGEM" in two different colors. The "DR" is in black, while the "GEM" is in teal. Below the company name is the text "Your Best Healthcare" in a smaller font size and a lighter color.
## VII. PERFORMANCE DATA
Nonclinical Testing:
The GXR-Series Diagnostic X-Ray System, has been assessed and tested and has passed predetermined testing criteria. The Validation Test Plan was designed to evaluate input functions, output functions, and actions performed by the subject device and followed the process documented in the System Validation Test Plan.
Nonclinical testing results are provided in the 510(k). Validation testing indicated that as required by the risk analysis, designated individuals performed all verification and validation activities and that the results demonstrated that the predetermined acceptance criteria were met.
Summary:
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Image /page/7/Picture/0 description: The image shows the logo for DRGEM. The letters "DR" are in bold black font, while the letters "GEM" are in a teal color. Below the letters, the words "Your Best Healthcare" are written in a smaller, lighter font.
Based on the performance as documented in the V&V Testing, the subject device was found to have a safe and effectiveness profile that is similar to the predicate device.
The following International Standards were used to develop and verify electrical safety, and EMC. GXR-Series Diagnostic X-Ray System device has met all the requirements listed in the Standards except for inapplicable requirements (which are listed in the various test reports).
The subject device conform to all applicable aspects of 21CFR 1020.30-31.
| Std # | Safety/EMC Standards Description | FDA Rec.<br>Standard # |
|------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|------------------------|
| IEC 60601-1-3 | Medical electrical equipment<br>Part 1-3: General Requirements for Radiation Protection in Diagnostic X-Ray<br>Equipment | 12-269 |
| IEC 62366 | IEC 62366:2007 + A1:2014 - Usability engineering process checklist | 5-114 |
| IEC 60601-2-28 | IEC 60601-2-28<br>Medical electrical equipment Part 2: Particular requirements for the safety of X-ray<br>source assemblies and X-ray tube assemblies for medical diagnosis | 12-204 |
| IEC 60601-2-54 | IEC 60601-2-54<br>Medical electrical equipment<br>Part 2: Particular requirements for the basic safety and essential<br>performance of X-ray equipment for radiography and radioscopy | 12-296 |
| IEC 60601-1-2<br>(EMC) | IEC 60601-1-2 Edition 4.0 2014-02. Medical electrical equipment - Part 1-2: General<br>requirements for basic safety and essential performance - Collateral Standard:<br>Electromagnetic disturbances Requirements and tests. | 19-8 |
| IEC<br>62304:2006 | ANSI AAMI IEC 62304:2006<br>Medical device software - Software life cycle processes | 13-32 |
| IEC 60601-1 | Medical electrical equipment, Part 1: General requirements for basic safety and<br>essential performance | 19-4 |
| NEMA PS 3.1 | NEMA PS 3.1 - 3.20 (2016). Digital Imaging and Communications in Medicine<br>(DICOM) Set DICOM Standard. | 12-300 |
| IEC/ISO10918-1 | JPEG Standard IEC/ISO10918-1 First edition 1994-02-15, Information technology -<br>Digital compression and coding of continuous-tone still images: Requirements and<br>guidelines [Including: Technical Corrigendum 1 | 12-261 |
| IEC 62494-1 | IEC 62494-1 Edition 1.0 (2008-08), Medical electrical equipment - Exposure index of<br>digital X-ray imaging systems - Part 1: Definitions and requirements for general<br>radiography. | 12-215 |
| ISO<br>14971:2007 | ISO 14971:2007/(R)2010 (Corrected 4 October 2007), Medical devices - Applications<br>of risk management to medical devices. | 5-40 |
| ISO 15223-1 | ISO 15223-1 Third Edition 2016-11-01, Medical devices - Symbols to be used with<br>medical device labels, labelling, and information to be supplied - Part 1: General<br>requirements. | 5-117 |
| FDA Guidance | Pediatric Information for X-ray Imaging Device Premarket Notifications dated<br>November 28, 2017 | Not<br>applicable |
| FDA Guidance | Content of Premarket Submissions for Management of Cybersecurity in Medical<br>Devices Guidance for Industry and Food and Drug Administration Staff Document<br>Issued on: October 2, 2014 | Not<br>applicable |
| Std # | Safety/EMC Standards Description | FDA Rec.<br>Standard # |
| FDA Guidance | Guidance for Industry and FDA Staff Guidance for the Content of Premarket<br>Submissions for Software contained in Medical Devices, Document issued on: May<br>11, 2005 Medical Devices, Document issued on: May 11, 2005 | Not<br>applicable |
| FDA Guidance | Guidance for Industry and FDA Staff Guidance for the Content of Premarket<br>Submissions for Software contained in Medical Devices, Document issued on: May 11,<br>2005 Medical Devices, Document issued on: May 11, 2005 | Not<br>applicable |
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Image /page/8/Picture/0 description: The image contains the logo for DRGEM, a healthcare provider. The letters "DR" are in bold, black font, while "GEM" is in a teal color. Below the company name is the slogan "Your Best Healthcare" in a smaller, lighter font.
### VIII. CONCLUSIONS
The 510(k) Pre-Market Notification for IntelePACS, contains adequate information, data, and nonclinical test results to enable FDA - CDRH to determine substantial equivalence to the predicate device. The new device and the primary predicate device are substantially equivalent in the areas of technical characteristics, general function, application, and intended use does not raise any new potential safety risks and is equivalent in performance to existing legally marketed devices.
Nonclinical tests demonstrate that the device is as safe, as effective, and performs comparably to the predicate devices.
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Part 1 — Search, results, and everyday workflows 16 min
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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.
Use the checkboxes above the results to narrow: SaMD keeps only software-only devices, AI / ML keeps only devices with AI.
Exact vs. fuzzy search: what's the difference?
Exact matches on the literal phrase (prefix search works, suffix does not). Fuzzy matches on the meaning and intent of the phrase rather than the exact words. Hover over the badge on any row to see why it matched.
You search "coronary artery calcification" and want only software devices with AI. What two filters do you apply?
Narrow by SaMD (software-only devices), then narrow by AI/ML (devices with AI).
2. The results table
Scroll right in the results table. The intended use is extracted for you — no need to open the PDF. The device story gives a high-level snapshot of what the device does and how it's used. The AI Performance sub-table shows each output name, acceptance criteria, observed values, and development/test dataset descriptions — the same format Innolitics uses for regulatory strategy outputs, and the fastest high-level fingerprint of an AI device. It is AI-generated but has been very reliable in practice.
Where do you find a device's intended use without opening the PDF?
Scroll right in the search results table. The intended use column is extracted for you; no need to dig into the 510(k) summary PDF.
What does the AI Performance sub-table show, and why is it useful?
Output name, acceptance criteria, observed values, development dataset description, and test dataset description. It's the same format we use for regulatory strategy output and Fast 510(k) input, and the fastest high-level fingerprint of an AI device. AI-generated but reliable in practice.
3. Judging fuzzy relevance
Fuzzy results trail off in relevance as you scroll. Use three signals to decide how far down to go: the fuzzy badge explanations, the intended use column, and whether your target output (e.g., Cobb angle) still appears in the AI Performance sub-table. Once it stops appearing, you're past the relevant zone. A top hit with a low score (~0.4) and a stretched explanation is a hint the closest predicates are far away — the project may be headed for De Novo. Note the fuzzy search is a pattern match: it doesn't handle negation ("not") well, and hardware devices can appear — filter by SaMD/AI ML to cut them.
How do you judge how far down fuzzy search results to go?
Use the relevancy signals: the fuzzy badge explanations, the intended use column, and whether the target output (e.g., Cobb angle) still appears in the AI Performance sub-table. Once it stops appearing, results are trailing off in relevancy.
4. Device detail page: chat and citations
Click a device name to open its detail page: device facts on the left, a chat window on the right. Ask something like "Describe the training data". The answer carries little citation bubbles — click one to jump to the highlighted passage in the source PDF, so you can verify every AI answer against the document. There's also a Download PDF button for sharing.
How do you verify an AI chat answer on the device detail page?
Click the citation bubbles to jump to the relevant highlight in the source document.
Reading rule for every project: how many summaries do you read in full?
At least the three most relevant 510(k) or De Novo summaries, in full. After that, use targeted chat questions to confirm your memory quickly. The tool supports this professional habit — it doesn't replace it.
5. Side-by-side comparison
Select multiple rows in the results table (aim for under ~10), then open the PDF Viewer tab. Ask one question — it goes to all selected devices in parallel, each with citations. This is the fastest way to compare and contrast devices: training data, PCCP scope, how they handled adding new scanners, and so on.
What does the side-by-side PDF viewer mode do?
Select multiple devices, open the PDF viewer tab, and ask one question (e.g., "Describe the training data"). It queries all selected devices simultaneously with citations, so you can compare and contrast quickly.
6. Collections
With rows selected, go to the Collections tab and create a labeled collection (e.g., "Cobb Angle Project"). Reload that selection any time — before a client call, pull up the collection and ask questions across all of its devices at once.
How do you save a set of selected devices for later use?
Select the rows, go to the Collections tab, and create a labeled collection (e.g., "Cobb Angle Project"). You can reload the selection anytime and carry it into the PDF viewer and other tabs that support selections.
7. Product codes and the regulations tree
Click a product code in the results to jump to it in the regulations tree — identification text, sibling product codes, and devices you can open in a PDF viewer on the right. Click a regulation number to see its identification, special controls, and related product codes. You can also search by product code or regulation number at the top of the tree. Always read the special controls if any exist for your device — it broadens your search and sharpens pre-kickoff research.
What can you do from the regulations tree view?
Browse product codes and regulation numbers, read the identification text and special controls, browse sibling product codes, open device PDFs on the right, and search by product code or regulation number at the top of the tree.
8. Chart view
Click Show Chart and segment by regulation number (or product code) to see which regulations dominate your result set. Clicking a regulation takes you into the regulations tree. Great for spotting that most matches are, say, hardware laparoscopic devices — a cue to go back and filter.
How do you see which regulations dominate a search result set?
Click "Show Chart" and segment by Regulation Number. Clicking a regulation takes you to the regulations tree.
9. The predicate graph
Open the Predicates tab for a family-tree view of predicate relationships. Click a node to trace its parents and children; selections from search carry over pre-selected. Commonly predicated devices are worth reading — a lot of people predicated them for a reason. The visual lineage is also handy on client calls, e.g. to show how a predicate family evolved and justify why your predicate still holds.
In the predicate graph, why are commonly predicated devices worth reading?
A lot of people predicated them for a reason. Clicking a node traces parents and children, and selections from search carry over pre-selected.
10. Embeddings: the galaxy map
The Embeddings tab plots every matching document in a 2-D "galaxy map" where semantically similar devices cluster together. Hover or click clusters to explore, and let AI label the clusters for you. Embeddings beat product codes for grouping: two devices can carry different product codes (LLZ vs. QIH) yet do the same thing — the embedding captures the meaning of the intended use and device story. This is also exactly how retrieval-augmented generation (RAG) works under the hood, and it makes a great visual on client calls.
Try it yourself
Head to the search page and work through a few of these AI/ML fuzzy searches to build intuition: perivascular fat on CT · aortic valve calcification opportunistic screening on noncontrast CT · breast cancer prediction on digital pathology slides · autism detection · gestational age prediction · a hearing aid that can also detect a pulse · foundation model based analysis of ECG · large language models · penetration test. Watch how the relevance scores, intended use, and AI Performance tables tell you when results stop being meaningful.