K163574 · Vital Images, Inc. · LLZ · Jan 26, 2017 · Radiology
Device Facts
Record ID
K163574
Device Name
Multi Modality Viewer
Applicant
Vital Images, Inc.
Product Code
LLZ · Radiology
Decision Date
Jan 26, 2017
Decision
SESE
Submission Type
Traditional
Regulation
21 CFR 892.2050
Device Class
Class 2
Attributes
Software as a Medical Device
Indications for Use
Multi Modality Viewer is an option within Vitrea that allows the examination and manipulation of a series of medical images obtained from MRI, CT, CR, DX, RG, RF, XA, PET, and PET/CT scanners. The option also enables clinicians to compare multiple series for the same patient, side-by-side, and switch to other integrated applications to further examine the data.
Device Story
Multi Modality Viewer is a software application on the Vitrea platform used by clinicians (physicians, radiologists, technologists) to view, navigate, manipulate, and quantify medical images. Input data includes DICOM-compliant images from MRI, CT, CR, DX, RG, RF, XA, PET, and PET/CT scanners. The device provides tools for 2D/3D/MPR display, side-by-side comparison, intensity projections (MIP/MinIP), measurements (distance, angle, Cobb angle, SUV, ROI statistics), and image fusion. It facilitates clinical decision-making by allowing clinicians to review current and prior studies, annotate findings, and access integrated Vitrea applications for further analysis. The device is used in clinical settings to assist in the diagnostic review of radiological images.
Clinical Evidence
No clinical studies were required. Safety and effectiveness were demonstrated through bench testing, software verification, and validation, including simulated usability testing by experienced professionals.
Technological Characteristics
Radiological image processing software; DICOM-compliant; operates on the Vitrea platform; supports 2D/3D/MPR visualization, intensity projections, and quantitative measurements (SUV, ROI). Complies with IEC 62304:2006 (software lifecycle), ISO 14971:2007 (risk management), and NEMA PS 3.1-3.20 (DICOM).
Indications for Use
Indicated for use by physicians, radiologists, clinicians, or technologists to examine and manipulate medical images from MRI, CT, CR, DX, RG, RF, XA, PET, and PET/CT scanners. No specific patient population, disease, or condition is applicable.
Regulatory Classification
Identification
A medical image management and processing system is a device that provides one or more capabilities relating to the review and digital processing of medical images for the purposes of interpretation by a trained practitioner of disease detection, diagnosis, or patient management. The software components may provide advanced or complex image processing functions for image manipulation, enhancement, or quantification that are intended for use in the interpretation and analysis of medical images. Advanced image manipulation functions may include image segmentation, multimodality image registration, or 3D visualization. Complex quantitative functions may include semi-automated measurements or time-series measurements.
Special Controls
*Classification.* Class II (special controls; voluntary standards—Digital Imaging and Communications in Medicine (DICOM) Std., Joint Photographic Experts Group (JPEG) Std., Society of Motion Picture and Television Engineers (SMPTE) Test Pattern).
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Image /page/0/Picture/1 description: The image shows the logo for the U.S. Department of Health & Human Services. The logo consists of a circular seal with the text "DEPARTMENT OF HEALTH & HUMAN SERVICES - USA" around the perimeter. Inside the circle is a stylized image of three human profiles facing right, with flowing lines representing hair or movement.
Food and Drug Administration 10903 New Hampshire Avenue Document Control Center - WO66-G609 Silver Spring, MD 20993-0002
January 26, 2017
Vital Images, Inc. % Ms. Susan Atwood Principal Quality Engineer 5850 Opus Parkway, Suite 300 MINNETONKA ME 55343
Re: K163574
Trade/Device Name: Multi Modalitv Viewer Regulation Number: 21 CFR 892.2050 Regulation Name: Picture archiving and communications system Regulatory Class: II Product Code: LLZ Dated: December 16, 2016 Received: December 19, 2016
Dear Ms. Atwood:
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.
You may obtain other general information on your responsibilities under the Act from the Division of Industry and Consumer Education at its toll-free number (800) 638-2041 or (301) 796-7100 or at its Internet address
http://www.fda.gov/MedicalDevices/ResourcesforYou/Industry/default.htm.
Sincerely yours.
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)
K163574
Device Name Multi Modality Viewer
#### Indications for Use (Describe)
Multi Modality Viewer is an option within Vitrea that allows the examination of a series of medical images obtained from MRI, CT, CR, DX, RG, RF, XA, PET, and PET/CT scanners. The option also enables clinicians to compare multiple series for the same patient, side-by-side, and switch to other integrated applications to further examine the data.
Type of Use (Select one or both, as applicable)
X Prescription Use (Part 21 CFR 801 Subpart D)
Over-The-Counter Use (21 CFR 801 Subpart C)
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# 510K Summary
This 510(k) summary is submitted in accordance with the requirements of 21 C.F.R. Part 807.92(c).
| Basis for the<br>Submission: | Vital Images, Inc. hereby submits this traditional 510(k) to obtain<br>510(k) clearance for the Multi Modality Viewer software which is<br>substantially equivalent to the FDA cleared Multi Modality Viewer<br>(previous version) Software (K161419). |
|---------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| Submitter: | Vital Images, Inc.<br>5850 Opus Parkway, Suite 300<br>Minnetonka, MN, 55343-4414 |
| Establishment<br>Registration: | 2134213 |
| Contact Person: | Susan Atwood<br>Principal Quality Engineer<br>Phone: 952-487-9759<br>Fax: 952-487-9510<br>E-mail: satwood@vitalimages.com |
| | Alternate Contact Person:<br>Vince Swenson<br>Sr. Director of Quality and Regulatory<br>Phone: 952-487-9548<br>Fax: 952-487-9510<br>E-mail: vswenson@vitalimages.com |
| 510(k) Type: | Traditional |
| Summary Date: | December 16, 2016 |
| Device Trade Name: | Multi Modality Viewer |
| Device Common<br>Name/ Regulatory<br>Description: | Radiological Image Processing Software, Picture Archiving and<br>Communications System |
| Device Classification<br>Name: | System, Image Processing, Radiological |
| Regulation Number: | 21 CFR 892.2050 |
| Product Code: | LLZ |
| Regulatory<br>Classification: | Class II |
| Device Panel: | Radiology |
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### Predicate Device(s):
| Predicate Device | Manufacturer | FDA 510(k) Number |
|-----------------------------------|--------------------|-------------------|
| Multi Modality Viewer<br>Software | Vital Images, Inc. | K161419 |
#### Reference Device(s):
| Reference Device | Manufacturer | FDA 510(k) Number |
|--------------------------------------|-------------------------------------------------------------------------------------------|-------------------|
| Mirada RT (marketed as<br>Mirada XD) | MIRADA MEDICAL LTD.<br>Mill Street<br>Innovation House<br>Oxford, Oxfordshire, GB Ox2 0JX | K102687 |
| VitalConnect | Vital Images, Inc.<br>5850 Opus Parkway, Suite 300,<br>Minnetonka, Minnesota 55343 U.S.A. | K071362 |
# Device Description:
Multi Modality Viewer is a medical image viewer software application, available on the Vitrea software platform cleared by K150258. The application allows qualified clinicians, including physicians, radiologists and technologists, to display, navigate, manipulate and quantify medical images obtained from MRI, CT, CR, DX, RG, RF, XA, PET, and PET/CT modalities.
The Multi-Modality Viewer provides an overview of the study, facilitates side-by-side comparison including priors, allows clinicians to record evidence and return to previous evidence, and provides easy access to other Vitrea applications for further analysis.
#### Existing Features:
General image display:
- Display of images, volumes, and time sequences from MRI and CT modalities ●
- Display of derived modality images and secondary capture (SC) images
- 2D image display, MPR display, cine and 4D cine display for appropriate modalities
- Maximum, minimum, or average intensity projection for MPR with adjustable thickness .
- Display of high-resolution (1024 matrix) CT images .
Image cross-reference and comparison:
- Single MPR plane, 3-plane orthogonal MPR, and oblique MPR display ●
- Linked scrolling of MPR images and 2D images in the same plane ●
- . Linked pan, zoom, and matched presentation of images in the same plane
- Cross-reference lines and MPR cross-hairs to indicate orthogonal planes ●
- Focus tool to pinpoint the same location in all series ●
- Automatic linking of series with the same frame of reference ●
- Manually set reference point for linking separately acquired series ●
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Hanging and viewing adjustments
- Ability to load only one study or including all priors ●
- User-defined, flexible hanging layouts ●
- Automatic initial hanging, manual hanging using drag & drop thumbnails .
- Scroll, pan, zoom, W/L. W/L presets, fit to view, reset ●
- Image flip, rotate clockwise/counterclockwise, invert
- Demographics more, less, on/off, reference lines on/off, linking on/off
Measurement, annotation, and snapshots:
- . Ruler, angle, and Cobb angle measurement
- Ellipse ROI and freehand ROI with pixel value statistics ●
- HU measurement for CT ●
- Time-Intensity Analysis ROI
- Arrow and text annotation ●
- Manual snapshots. Auto snapshot on measurement or annotation ●
- Ability to restore the presentation state of a snapshot .
Derived series and specialized tools:
- . MPR batch series generation
- Direct access to MRI Stitching application ●
- . Access to all other applications on Vitrea system
#### New Features Since the Last 510(k) Clearance K161419:
General image display:
- Display of images and time sequences from projection modalities (CR, DX, RG, RF, and ● XA)
- . Display of PET images in grayscale or with a color map
- Display of PET/CT images acquired with the same frame of reference ●
- Fused display of PET/CT images acquired with the same frame of reference ●
- Rotating MIP display of PET hotspots .
Image cross-reference and comparison:
- Linking of PET hotspots in MIP and MPR views ●
Measurement, annotation, and snapshots:
- SUV measurement for PET .
Derived series and specialized tools:
- Image subtraction of two compatible series .
#### Intended Use / Indications for Use:
Multi Modality Viewer is an option within Vitrea that allows the examination and manipulation of a series of medical images obtained from MRI, CT, CR, DX, RG, RF, XA, PET, and PET/CT scanners. The option also enables clinicians to compare multiple series for the same patient, side-by-side, and switch to other integrated applications to further examine the data.
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# Intended for Disease / Condition / Patient Population:
Multi Modality Viewer is medical image viewer software. Therefore, particular information on the intended for disease, condition, and patient population is not applicable.
# Substantial Equivalence Comparison:
#### Regulatory Comparison:
| | Subject Device | | Predicate<br>Device | |
|---------------------|----------------------------------------------|----------------------------------------------|--------------------------------|--|
| Characteristic | Multi Modality<br>Viewer | Multi Modality<br>Viewer<br>(K161419) | Comparison | |
| Classification Name | System, Image<br>Processing,<br>Radiological | System, Image<br>Processing,<br>Radiological | Same | |
| Regulatory Number | 892.2050 | 892.2050 | Same | |
| Product Code | LLZ | LLZ | Same | |
| Classification | Class II | Class II | Same | |
| Review Panel | Radiology | Radiology | Same | |
| Decision Date | Under Review | May 20, 2016 | Predicate device<br>is cleared | |
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| Indications for Use Comparison with Predicate Device: | |
|-------------------------------------------------------|--|
|-------------------------------------------------------|--|
| Criteria | Subject Device | Predicate Device | Comparison |
|---------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| | Multi Modality Viewer | Multi Modality Viewer (K161419) | |
| Indications for Use | Multi Modality Viewer is an option within Vitrea that allows the examination and manipulation of a series of medical images obtained from MRI, CT, CR, DX, RG, RF, XA, PET, and PET/CT scanners. The option also enables clinicians to compare multiple series for the same patient, side-by-side, and switch to other integrated applications to further examine the data. | Multi Modality Viewer is a software application within Vitrea that allows the examination and manipulation of a series of medical images obtained from MRI and CT scanners. The option also enables clinicians to compare multiple series for the same patient, side-by-side, and switch to other integrated applications to further examine the data. | Similar<br>Added support for the ability to examine and manipulate medical images obtained from CR, DX, RG, RF, XA, PET and PET/CT modalities which was not part of the predicate device's indications for use. |
| Intended Users | Physicians, Radiologists, Clinicians or Technologists | Physicians, Radiologists, Clinicians or Technologists | Same |
| Patient Population | Multi Modality Viewer is medical image viewer software. Therefore, particular information on the intended disease, condition, and patient population is not applicable. | Multi Modality Viewer is medical image viewer software. Therefore, particular information on the intended disease, condition, and patient population is not applicable. | Same |
| Modality Support | MRI, CT, CR, DX, RG, RF, XA, PET and PET/CT | MRI and CT | Similar<br>Added support for the ability to examine and manipulate medical images obtained from CR, DX, RG, RF, XA, PET and PET/CT modalities which was not part of the predicate device's |
| Criteria | Subject Device | Predicate Device | Comparison |
| | Multi Modality<br>Viewer | Multi Modality Viewer<br>(K161419) | |
| Data Loading | | | |
| Image<br>Communication<br>Standard: DICOM | Yes | Yes | Same |
| Data Viewing Support | | | |
| 2D Image Review | Yes | Yes | Same |
| 2D Comparative<br>Review | Yes | Yes | Same |
| Features and Capabilities | | | |
| Multi-Planner<br>Reformatting | Yes | Yes | Same |
| Maximum and<br>Minimum Intensity<br>Projection<br>(MIP/MinIP) | Yes | Yes | Same |
| Image Editing,<br>Setting, Saving | Yes | Yes | Same |
| Annotation &<br>Tagging Tools<br>(Label) | Yes | Yes | Same |
| Display Options<br>(e.g. thickness) | Yes | Yes | Same |
| Quantitative<br>Measurements | Yes | Yes | Same |
| Snapshot | Yes | Yes | Same |
| Cine Image Display | Yes | Yes | Same |
| Multi-frame Display | Yes | Yes | Same |
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# Similarities in Technology with Predicate Device:
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|--|
| | Subject Device | Predicate Device | Comparison |
|-----------------------------------------------------------|--------------------------|------------------------------------|------------|
| Criteria | Multi Modality<br>Viewer | Multi Modality Viewer<br>(K161419) | |
| Color Image Display | Yes | Yes | Same |
| Simultaneous<br>Multiple Studies<br>Review | Yes | Yes | Same |
| Cross-reference<br>Lines Support | Yes | Yes | Same |
| Display of Selected<br>Images, Series, or<br>Entire Study | Yes | Yes | Same |
| Comparison of<br>Multiple Series or<br>Studies | Yes | Yes | Same |
| Scroll Image | Yes | Yes | Same |
| Zoom Image | Yes | Yes | Same |
| Pan Image | Yes | Yes | Same |
| Focus Image | Yes | Yes | Same |
| Rotate Image | Yes | Yes | Same |
| Flip Image - Vertical | Yes | Yes | Same |
| Flip Image -<br>Horizontal | Yes | Yes | Same |
| Rotate Image -<br>Clockwise | Yes | Yes | Same |
| Rotate Image -<br>Counter-clockwise | Yes | Yes | Same |
| Invert Image | Yes | Yes | Same |
| Arrow | Yes | Yes | Same |
| Auto Window<br>Level/Width Setting | Yes | Yes | Same |
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| | Subject Device | Predicate Device | |
|----------------------------------------------------------------------------------------------|-----------------------|---------------------------------|------------|
| Criteria | Multi Modality Viewer | Multi Modality Viewer (K161419) | Comparison |
| Measurement of Distance | Yes | Yes | Same |
| Measurement of Angle | Yes | Yes | Same |
| Measurement of Cobb Angle | Yes | Yes | Same |
| Identification and Display of Ellipse Regions of Interest (ROIs) | Yes | Yes | Same |
| Identification and Display of Freehand Regions of Interest (ROIs) | Yes | Yes | Same |
| Manual Registration | Yes | Yes | Same |
| Image subtraction of two series/datasets | Yes | Yes | Same |
| Study and Series Linking | Yes | Yes | Same |
| Semi-automated Image Stitching | Yes | Yes | Same |
| Time Intensity Analysis | Yes | Yes | Same |
| Batch Save of MPR Reformats | Yes | Yes | Same |
| Examination and manipulation of a series of medical images obtained from MRI and CT datasets | Yes | Yes | Same |
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| Differences in Technology with the Predicate Device: |
|------------------------------------------------------|
| |
| | Subject Device | Predicate Device | Comparison |
|-----------------------------------------------------------|-----------------------|---------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| Criteria | Multi Modality Viewer | Multi Modality Viewer (K161419) | |
| Feature: Support for PET and PET/CT Modality Data | Yes | No | Multi Modality Viewer allows the examination and manipulation of medical images obtained from PET and PET/CT scanners in addition to MRI and CT scanners.<br><br>Note: The added PET and PET/CT modalities are similar to the features available on the Mirada XD software (“Reference Device”), which was cleared by the FDA under K102687. Therefore, this added feature does not raise different questions of safety and effectiveness. |
| Feature: Support for CR, DX, RG, RF, and XA Modality Data | Yes | No | Multi Modality Viewer allows the examination and manipulation of medical images obtained from CR, DX, RG, RF, and XA modalities in addition to MRI and CT scanners.<br><br>Note: The added CR, DX, RG, RF, and XA modalities are similar to the features available on the VitalConnect 4.1 software (“Reference Device”), which was cleared by the FDA |
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| Criteria | Subject Device | Predicate Device | Comparison |
|----------|-----------------------|---------------------------------|-----------------------------------------------------------------------------------------------------------------------------|
| | Multi Modality Viewer | Multi Modality Viewer (K161419) | |
| | | | under K071362.<br>Therefore, this added<br>feature does not raise<br>different questions of<br>safety and<br>effectiveness. |
# Similarities in Technology with the Reference Device
| | Subject Device | Reference Device | Comparison |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------------|---------------------|------------|
| Criteria | Multi Modality Viewer | Mirada XD (K102687) | |
| <b>Modality</b> | | | |
| Support for PET<br>and PET/CT<br>Modality Data | Yes | Yes | Same |
| Support for<br>following<br>measurements:<br>• Becqerel per<br>milliliter (BQML)<br>• SUV body weight<br>(SUVbw)<br>• SUV body<br>surface area<br>(SUVbsa)<br>• SUV lean body<br>mass (SUVIbm) | Yes | Yes | Same |
| PET/CT Fusion<br>View | Yes | Yes | Same |
| PET/CT Fusion<br>Blending | Yes | Yes | Same |
| Window/width<br>Functionality for<br>PET & CT Images | Yes | Yes | Same |
| PET & CT<br>window/width<br>Presets | Yes | Yes | Same |
| Zoom Image | Yes | Yes | Same |
| | Subject Device | Reference Device | Comparison |
| Criteria | Multi Modality Viewer | Mirada XD (K102687) | |
| Scroll Image | Yes | Yes | Same |
| Pan Image | Yes | Yes | Same |
| Focus Tool<br>(triangulate) | Yes | Yes | Same |
| Ruler<br>Measurement Tool | Yes | Yes | Same |
| Ellipse ROI | Yes | Yes | Same |
| Fixed ROI | Yes | Yes | Same |
| Label | Yes | Yes | Same |
| Arrow | Yes | Yes | Same |
| Reset Image | Yes | Yes | Same |
| Snapshots | Yes | Yes | Same |
| View Current and<br>Prior Scans | Yes | Yes | Same |
| CT & PET MPR<br>Display &<br>Manipulation | Yes | Yes | Same |
| PET MIP Display &<br>Manipulation | Yes | Yes | Same |
| CT & PET 2D<br>Views | Yes | Yes | Same |
| PET Color Overlay | Yes | Yes | Same |
| Update/correct<br>Parameters<br>(height, weight,<br>dose) | Yes | Yes | Same |
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### Similarities in Technology with the Reference Device
| | Subject Device | Reference Device | Comparison |
|--------------------------------------------------------|-----------------------|---------------------------|------------|
| Criteria | Multi Modality Viewer | VitalConnect<br>(K071362) | |
| Modality | | | |
| Support for CR,<br>DX, RF, RG, and<br>XA Modality Data | Yes | Yes | Same |
## Software Development Environment Description:
The Multi Modality Viewer software was designed, and tested according to IEC 62304:2004 standard for Medical Device Software: Software Life Cycle Processes.
The following design control measures were applied to the development of the Multi Modality Viewer software:
- Risk Management
- Software Requirements Reviews ●
- Code Designs ●
- . Code Development Testing
- Code Reviews
- . Design Reviews
- Verification of the software that included performance and safety testing ●
- . Validation of the software – that included simulated usability testing by experienced professionals.
## Risk Management
Each risk associated with the Multi Modality Viewer software has been individually assessed to determine if the benefits outweigh the risk. Every risk has been reduced as low as possible and has been evaluated to have a probability of occurrence of harm of at least "Improbable." Because of the risk control measures, it is believed that the risk for the Multi Modality Viewer software as a whole, is extremely low.
During the final risk management review, the following conclusions were reached:
- All Occurrence Factors for Hazards were mitigated as low as possible ●
- Of the unresolved defects remaining in the released application, each has been carefully . evaluated and it has been determined that the software can be used safely and effectively.
- . The medical benefits of the device outweigh the residual risk for each individual risk and all risks together.
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# Verification and Validation:
The software was designed, developed, tested, verified, and validated according to written procedures. Verification confirmed that the feature functions according to its requirements.
Software testing was completed to ensure the Multi Modality Viewer software functions according to its requirements and operates on the Vitrea software platform without degrading the existing functionality of the Vitrea software platform. Performance testing for the Multi Modality Viewer software included internal verification and external validation. The Multi Modality Viewer software has achieved all product release criteria.
#### Summary of Clinical Tests:
The subject of this 510(k) notification, Multi Modality Viewer software, did not require clinical studies to support safety and effectiveness of the software.
## Cyber and Information Security:
#### Confidentiality
The Vitrea software platform (K150258) relies on built in Windows Login security to limit access to the system. The Vitrea software platform can only be installed and configured by an administrator of the Windows machine.
#### Integrity
The Vitrea software platform complies with the DICOM standard for transfer and storage of this data and does not modify the contents of DICOM instances. New DICOM produced by Vitrea is identified as such with the appropriate manufacturer tags per the DICOM standard.
#### Availability
The Vitrea software platform is always available to the logged on user as long as the Windows machine itself is properly maintained.
#### Accountability
The Vitrea software platform includes an audit capability that enables accountability by tracking authenticated and authorized user operations along with information accessed. Vitrea software platform audit logs are time stamped, enabling correlation with Windows system logging to track information accessed by a user.
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## Performance Standards:
The FDA has not established mandatory performance standards and no special controls exist for this device. General software verification and validation tests were conducted to confirm proper function of the device's features.
The Multi Modality Viewer software complies with the following voluntary recognized consensus standards:
| Standard No. | Standards<br>Organization | Standard Title | Version | Date |
|-------------------------------------------------------|---------------------------|-------------------------------------------------------------------------------------------|---------|------------|
| PS 3.1- 3.20 (2011)<br>(Recognition<br>Number 12-238) | NEMA | Digital Imaging and<br>Communications in Medicine<br>(DICOM) Set (Radiology) | 3 | 03/16/2012 |
| ISO 14971:2007<br>(Recognition<br>Number 5-70) | AAMI / ANSI<br>/ ISO | Medical Devices -<br>Applications of Risk<br>Management to Medical<br>Devices | 2007 | 03/16/2012 |
| IEC 62304:2006<br>(Recognition<br>Number 13-32) | AAMI / ANSI<br>/ IEC | Medical Device Software -<br>Software Life Cycle<br>Processes (Software /<br>Informatics) | 2006 | 08/20/2012 |
# Substantial Equivalence Analysis Conclusion:
Vital Images believes the Multi Modality Viewer software has a similar intended use, indications for use, principle of operation, and technological characteristics as the legally marketed, predicate device Multi Modality Viewer (K161419). The added features to allow for the examination and manipulation images obtained from PET and PET/CT scanners is similar to the features in the reference device, Mirada RT which was cleared by the FDA under K102687. Additionally, the ability to view and manipulate images obtained from CR, DX, RG, RG and XA scanners is similar to the feature in the reference device, VitalConnect, which was cleared by the FDA under K071362.
Furthermore, the verification and validation testing performed demonstrate the subject device is as safe and effective as the predicate and reference devices and does not raise any different questions of safety and effectiveness. Therefore, Vital believes the addition of the examination and manipulation of a series of medical images obtained from CR, DX, RG, RF, XA, PET, and PET/CT scanners in the Multi Modality Viewer software does not alter the fundamental scientific technology, safety or intended use of the device.
Any noted minor differences have been explained and do not raise any different questions of safety or effectiveness when used as labeled. The implemented design controls, risk management activities, labeling, and performed verification tests demonstrate the safety and efficacy of the subject device. Based on the comparison information provided above, Vital Images believes the subject device should be found substantially equivalent to the predicate device.
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Learn the FDA Browser
Two short videos show you everything — or skip straight to the written tutorial if you'd rather read. You can reopen this any time from the Tutorial button in the top bar.
Part 1 — Search, results, and everyday workflows 16 min
Part 2 — Embeddings: the galaxy map 3 min
1. Search: exact and fuzzy
Type a phrase like "coronary artery calcification" into the search box. You get two kinds of results. Exact results match the literal phrase — prefix searches work ("coronary artery calcificati") but suffix searches do not. Fuzzy results match on the meaning and intent of your phrase rather than the exact words, and are sorted by relevance score. Hover over the Exact or Fuzzy badge on any row to see exactly why it matched.
Use the checkboxes above the results to narrow: SaMD keeps only software-only devices, AI / ML keeps only devices with AI.
Exact vs. fuzzy search: what's the difference?
Exact matches on the literal phrase (prefix search works, suffix does not). Fuzzy matches on the meaning and intent of the phrase rather than the exact words. Hover over the badge on any row to see why it matched.
You search "coronary artery calcification" and want only software devices with AI. What two filters do you apply?
Narrow by SaMD (software-only devices), then narrow by AI/ML (devices with AI).
2. The results table
Scroll right in the results table. The intended use is extracted for you — no need to open the PDF. The device story gives a high-level snapshot of what the device does and how it's used. The AI Performance sub-table shows each output name, acceptance criteria, observed values, and development/test dataset descriptions — the same format Innolitics uses for regulatory strategy outputs, and the fastest high-level fingerprint of an AI device. It is AI-generated but has been very reliable in practice.
Where do you find a device's intended use without opening the PDF?
Scroll right in the search results table. The intended use column is extracted for you; no need to dig into the 510(k) summary PDF.
What does the AI Performance sub-table show, and why is it useful?
Output name, acceptance criteria, observed values, development dataset description, and test dataset description. It's the same format we use for regulatory strategy output and Fast 510(k) input, and the fastest high-level fingerprint of an AI device. AI-generated but reliable in practice.
3. Judging fuzzy relevance
Fuzzy results trail off in relevance as you scroll. Use three signals to decide how far down to go: the fuzzy badge explanations, the intended use column, and whether your target output (e.g., Cobb angle) still appears in the AI Performance sub-table. Once it stops appearing, you're past the relevant zone. A top hit with a low score (~0.4) and a stretched explanation is a hint the closest predicates are far away — the project may be headed for De Novo. Note the fuzzy search is a pattern match: it doesn't handle negation ("not") well, and hardware devices can appear — filter by SaMD/AI ML to cut them.
How do you judge how far down fuzzy search results to go?
Use the relevancy signals: the fuzzy badge explanations, the intended use column, and whether the target output (e.g., Cobb angle) still appears in the AI Performance sub-table. Once it stops appearing, results are trailing off in relevancy.
4. Device detail page: chat and citations
Click a device name to open its detail page: device facts on the left, a chat window on the right. Ask something like "Describe the training data". The answer carries little citation bubbles — click one to jump to the highlighted passage in the source PDF, so you can verify every AI answer against the document. There's also a Download PDF button for sharing.
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.