K201632 · Tomtec Imaging Systems GmbH · LLZ · Aug 14, 2020 · Radiology
Device Facts
Record ID
K201632
Device Name
TOMTEC-ARENA
Applicant
Tomtec Imaging Systems GmbH
Product Code
LLZ · Radiology
Decision Date
Aug 14, 2020
Decision
SESE
Submission Type
Traditional
Regulation
21 CFR 892.2050
Device Class
Class 2
Attributes
AI/ML, Software as a Medical Device
AI Performance
Output
Algorithm
Acceptance
Observed
Dev DS
Dev Readers
Test DS
Test Readers
Right Ventricle Quantification
Machine learning algorithms for 3D surface model generation
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Mitral Valve Quantification
Machine learning derived segmentation engine
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Left Ventricle and Left Atrium Quantification
3D speckle tracking and machine learning segmentation
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Cardiac Strain Analysis
Speckle tracking algorithm
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Indications for Use
Indications for use of TOMTEC-ARENA software are quantification and reporting of cardiovascular, fetal, and abdominal structures and function of patients with suspected disease to support the physicians in the diagnosis.
Device Story
TOMTEC-ARENA (TTA2) is a clinical software package for reviewing, quantifying, and reporting digital medical data. It operates as a vendor-independent offline solution, compatible with various platforms. The device processes multi-dimensional medical images (e.g., 3D/4D echocardiography) using automated segmentation and speckle tracking algorithms to generate 3D surface models (Beutel) and quantify functional parameters like volumes, strain, and displacement. Used in hospitals, clinics, and physician offices, it assists clinicians in diagnosing conditions such as pulmonary hypertension and heart failure. Output includes quantitative measurements, bullseye plots, and reports, which support clinical decision-making by providing reproducible assessments of cardiac, fetal, and abdominal structures. The software enhances workflow efficiency through automated contour detection and measurement tools.
Clinical Evidence
No clinical testing conducted. Substantial equivalence supported by bench testing, software verification per IEC 62304, and summative usability evaluation per IEC 62366-1.
Technological Characteristics
Software-as-a-medical-device (SaMD). Functions as a clinical software package for image review, quantification, and reporting. Utilizes machine learning algorithms for automated contour detection and 3D surface model generation. Supports DICOM data. Operates on PC/workstation platforms with browser support (TOMTEC ZERO).
Indications for Use
Indicated for patients with suspected cardiovascular, fetal, or abdominal disease requiring quantification and reporting of anatomical structures and function to support physician diagnosis.
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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August 14, 2020
TOMTEC Imaging Systems GmbH % Mr. Marc Bergenthal Manager Regulatory Affairs Edisonstrasse 6 Unterschleissheim, Bavaria 85716 GERMANY
Re: K201632
Trade/Device Name: TOMTEC-ARENA Regulation Number: 21 CFR 892.2050 Regulation Name: Picture archiving and communications system Regulatory Class: Class II Product Code: LLZ Dated: June 12, 2020 Received: June 16, 2020
Dear Mr. Bergenthal:
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 801); medical device reporting of medical device-related adverse events) (21 CFR 803) for
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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 mediation-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) K201632
Device Name TOMTEC-ARENA
Indications for Use (Describe)
Indications for use of TOMTEC-ARENA software are quantification and reporting of cardiovascular, fetal, and abdominal structures and function of patients with suspected disease to support the physicians in the diagnosis.
Type of Use (Select one or both, as applicable)
| <span style="font-size:10pt;">Prescription Use (Part 21 CFR 801 Subpart D)</span> | <span style="font-size:10pt;">Over-The-Counter Use (21 CFR 801 Subpart C)</span> |
|--------------------------------------------------------------------------------------|----------------------------------------------------------------------------------|
| <div style="text-align:left;"><b> <input checked="true" type="checkbox"/> </b></div> | <div style="text-align:left;"><b> <input type="checkbox"/> </b></div> |
iption 06c (Part 21 CFR 801 Subpart D)
|_ | 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 TOMTEC. The logo consists of a stylized "T" followed by the word "TOMTEC" in a bold, sans-serif font. The "T" is formed by two thick, intersecting lines, creating a modern and geometric design.
## 510(K) SUMMARY
K201632
This 510(k) summary is provided as part of the Premarket Notification in compliance with 21CFR, Part 807, Subpart E, Section 807.92.
#### 1) SUBMITTER'S NAME, ADDRESS, TELEPHONE NUMBER, CONTACT PERSON
| Primary Contact: | Marc Bergenthal<br>Email: marc.bergenthal@tomtec.de<br>Tel: (+49) 89 32175 555<br>Fax: (+49) 89 32175 750 |
|------------------|-----------------------------------------------------------------------------------------------------------|
| Sponsor: | TOMTEC Imaging Systems GmbH<br>Edisonstrasse 6<br>85716 Unterschleissheim<br>Germany |
2) NAME OF THE DEVICE, INCLUDING THE TRADE OR PROPRIETARY NAME IF APPLICABLE, THE COMMON OR USUAL NAME, AND THE CLASSIFICATION
June 12, 2020
NAME, IF KNOWN
Date prepared:
| Common Name: | Picture archiving and communications system |
|----------------------|------------------------------------------------------------|
| Proprietary Name: | TOMTEC-ARENA |
| Classification Name: | 21 CFR 892.2050,<br>System, Image Processing, Radiological |
| Product code: | QIH, Class II |
#### 3) INDICATIONS FOR USE
Indications for use of TOMTEC-ARENA software are quantification and reporting of cardiovascular, fetal, and abdominal structures and function of patients with suspected disease to support the physicians in the diagnosis.
#### 4) DEVICE DESCRIPTION
TOMTEC-ARENA (TTA2) is a clinical software package for reviewing, quantifying and reporting digital medical data. The software is compatible with different IMAGE-ARENA platforms and third party platforms.
Platforms enhance the workflow by providing the database, import, export and other services. All analyzed data and images will be transferred to the platform for archiving, reporting and statistical quantification purposes.
TTA2 consists of the following optional modules:
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Image /page/4/Picture/1 description: The image shows the logo for TOMTEC. The logo consists of a stylized "T" symbol on the left, followed by the word "TOMTEC" in a bold, sans-serif font. The entire logo is in black and white.
- TOMTEC-ARENA SERVER & CLIENT .
- . IMAGE-COM/ECHO-COM
- REPORTING ●
- AutoStrain (LV, LA, RV) ●
- . 2D CARDIAC-PERFORMANCE ANALYSIS (Adult and Fetal)
- . 4D LV-ANALYSIS
- 4D RV-FUNCTION
- . 4D CARDIO-VIEW
- 4D MV-ASSESSMENT
- 4D SONO-SCAN .
#### 5) SUBSTANTIALLY EQUIVALENT DEVICES
Primary Predicate Device: TomTec-Arena TTA2 K150122 (February 13, 2015) Secondary Predicate Device: QLAB Advanced Quantification Software K200974 (June 03, 2020)
TOMTEC Imaging Systems GmbH believes that the TOMTEC-ARENA modifications that are the subject of this 510(k) are substantially equivalent to TomTec-Arena TTA2 (K150122).
### 6) TECHNOLOGICAL COMPARISON TO PREDICATE DEVICES
The TOMTEC-ARENA software with the modified modules has the same intended use and technological characteristics as the legally marketed predicate devices. A comparison of the proposed TOMTEC-ARENA application to the currently marketed primary predicate device (TomTec-Arena TTA2) and secondary predicate device (QLAB Advanced Quantification Software) are provided in the tables below:
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Image /page/5/Picture/1 description: The image shows the logo for TOMTEC. The logo consists of a stylized "T" and "Г" next to the word "TOMTEC" in all caps. The logo is in black and white.
| Feature | Primary Predicate Device<br>TomTec-Arena<br>(K150122) | Secondary Predicate Device<br>QLAB<br>(K200974) | Subject Device<br>TOMTEC-ARENEA | Discussion / Comment |
|----------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| GENERAL COMPARISON<br>Intended Use | TomTec-Arena software is a clinical<br>software package designed for<br>review, quantification and reporting of<br>structures and function based on<br>multi-dimensional digital medical data<br>acquired with different modalities.<br>TomTec-Arena is not intended to be<br>used for reading of mammography<br>images. | QLAB Quantification software is a<br>software application package. It is<br>designed to view and quantify image<br>data acquired on Philips ultrasound<br>systems. | TOMTEC-ARENA software is a<br>clinical software package designed<br>for review, quantification and<br>reporting of structures and function<br>based on multi-dimensional digital<br>medical data acquired with different<br>modalities.TOMTEC-ARENA is not<br>intended to be used for reading of<br>mammography images. | Intended Use of primary and subject<br>device are identical<br>(unchanged)Intended Use/Indications<br>for use of secondary predicate and<br>subject device are comparable and<br>considered equivalent. |
| Indications for<br>Use | Indications for use of TomTec-Arena<br>TTA2 software are quantification and<br>reporting of cardiovascular, fetal,<br>abdominal structures and function of<br>patients with suspected disease to<br>support the physicians in the<br>diagnosis | QLAB Quantification software is a<br>software application package. It is<br>designed to view and quantify image<br>data acquired on Philips ultrasound<br>systems. | Indications for use of TOMTEC-<br>ARENA TTA2 software are<br>quantification and reporting of<br>cardiovascular, fetal, abdominal<br>structures and function of patients<br>with suspected disease to support the<br>physicians in the diagnosis | Indications for use of primary and<br>subject device are identical<br>(unchanged).<br>Intended Use/Indications for use of<br>secondary predicate and subject<br>device are comparable and<br>considered equivalent. |
| Anatomical Site | Quantification and reporting of<br>cardiovascular, fetal, and abdominal<br>structures and function. | Quantification of imaging data<br>acquired from ultrasound machines of<br>various anatomical structures and<br>function. | Quantification and reporting of<br>cardiovascular, fetal, and abdominal<br>structures and function. | Identical to primary and secondary<br>predicate. |
| where used<br>(hospital, home,<br>ambulance, etc.) | Hospitals, clinics, and physician's<br>offices. | Hospitals, clinics, and physician's<br>offices. | Hospitals, clinics, and physician's<br>offices. | Identical to primary and secondary<br>predicate. |
| Design | Software as a medical device | Software as a medical device | Software as a medical device | Identical to primary and secondary<br>predicate. |
| 4D RV-FUNCTION | | | | |
| Application<br>Description | 4D RV-Function provides a<br>comprehensive evaluation of the right<br>ventricle including volumes and strain<br>analysis. It provides EDV, ESV,<br>RVEF, SV, RVLS, TAPSE and FAC.<br>Distance measurements can also be<br>analyzed. This software<br>delivers a quick and reproducible<br>analysis of the right ventricle, thus | The 3D Auto RV Q-App is an<br>integration of the segmentation<br>engine of the QLAB HeartModel and<br>the TOMTEC-ARENA 4D RV-<br>Function thereby providing a dynamic<br>Right Ventricle clinical functionality. | The 4D RV-Function is a right<br>ventricular quantification tool for<br>routine clinical work, pulmonary<br>hypertension, and right-sided heart<br>failure. The application helps to<br>overcome complexity of right-<br>ventricle analysis by calculating<br>standard values based on a semi- | Revised for clarity. Considered<br>equivalent to primary predicate. No<br>impact to the safety or effectiveness<br>of the device.<br>Comparable and considered<br>equivalent to secondary predicate.<br>This modification to QLAB was<br>cleared by K191647. |
| | increasing your diagnostic confidence<br>by visualizing the complexity of the<br>RV shape in 3D. | | automatically generated 3D surface<br>model. | |
| SW Version | 2.0 | 15.0 | 3.0 | Updated due to changes to SW code.<br>Integrates HeartModel auto-<br>segmentation technology with 4D RV-<br>Function algorithm for RV border<br>placement. |
| Measurements | Volume and function of Right<br>Ventricle | EDVI<br>ESVI | Added:<br>EDVI<br>ESVI | Added measurements are identical to<br>secondary predicate device. |
| Export Formats: | As cleared | Beutel value export into .stl and .obj<br>format | Added:<br>Beutel value export into .stl and .obj<br>format | Identical to secondary predicate.<br>Workflow improvements for user<br>convenience.<br>No impact to the safety or<br>effectiveness of the device. |
| Contour<br>Generation | 3D surface model is created based<br>on user defined anatomical<br>landmarks. User is able to edit the<br>contour of the surface model. | 3D surface model is created<br>automatically using machine learning<br>algorithms without user interaction.<br>User is able to edit, accept or reject<br>the contours or the anatomical<br>landmarks. | 3D surface model is created<br>automatically using machine learning<br>algorithms without user interaction.<br>User is able to edit, accept or reject<br>the contours or the anatomical<br>landmarks. | Identical to secondary predicate.<br>Workflow improvements for user<br>convenience.<br>No impact to the safety or<br>effectiveness of the device. |
| 4D MV-ASSESSMENT | | | | |
| Application<br>Description | 4D MV-Assessment is used for<br>comprehensive morphological and<br>functional assessment of the mitral<br>valve. Based on an easy and intuitive<br>workflow the application package<br>generates models of anatomical<br>structures such as MV annulus,<br>leaflet and the closure line.<br>Automatically derived parameters<br>allow quantification of pre- and post-<br>operative valvular function and<br>comparison of morphology. 4D MV-<br>Assessment improves the<br>presentation of anatomy and findings<br>and visualizes the complex<br>morphology and dynamics of the<br>mitral valve. | The 3D Auto MV Q-App is a semi-<br>automatic tool that essentially is an<br>integration of the machine-learning<br>derived segmentation engine of the<br>QLAB HeartModel and the TOMTEC-<br>Arena TTA2 4D MV-Assessment<br>application thereby providing a<br>dynamic Mitral Valve clinical<br>quantification tool. | 4D MV-ASSESSMENT provides a<br>morphological and functional analysis<br>of the mitral valve (MV) using 3D/4D<br>echocardiography data. Models of<br>anatomical structures such as MV<br>annulus, leaflets and the closure line<br>are generated. The derived<br>parameters allow quantification of<br>pre- and post-operative valvular<br>function and a comparison of<br>morphology. | Revised for clarity. Considered<br>equivalent to primary predicate. No<br>impact to the safety or effectiveness<br>of the device.<br>Comparable and considered<br>equivalent to secondary predicate.<br>This modification to QLAB was<br>cleared by K200974- |
| SW Version | 2.3 | 15.0 | 2.5 | Updated due to changes to SW code. |
| Measurements | As cleared | Prolapse Height<br>Open Coaptation Gap<br>Open Coaptation Width<br>Open Coaptation Area 3D<br>C-shaped Annulus<br>Distal Anterior Leaflet Angle | Added:<br>Prolapse Height<br>Open Coaptation Gap<br>Open Coaptation Width<br>Open Coaptation Area 3D<br>C-shaped Annulus<br>Distal Anterior Leaflet Angle | Identical to secondary predicate. |
| Contour<br>Generation | 3D surface model is created based<br>on user defined anatomical<br>landmarks.<br>User is able to edit the contour of the<br>surface model before proceeding with<br>the workflow. | 3D surface model is created semi-<br>automatically using machine learning<br>algorithm without user interaction.<br>User is able to edit, accept, or reject<br>the initial landmark proposals of the<br>mitral valve anatomical locations. | 3D surface model is created semi-<br>automatically using machine learning<br>algorithm without user interaction.<br>User is able to edit, accept, or reject<br>the initial landmark proposals of the<br>mitral valve anatomical locations. | Identical to secondary predicate.<br>Workflow improvements for user<br>convenience in initial model display<br>and landmark proposal.<br>User is still able to edit, accept or<br>reject the contours.<br>No impact to the safety or<br>effectiveness of the device. |
| 4D LV-ANALYSIS | | | | |
| Application<br>Description | Volume quantification and function<br>analysis of the left ventricle based on<br>3D data has proven to be more<br>accurate and reproducible than using<br>2D clips. 4D LV-Analysis is a vendor<br>independent offline solution for 3D<br>speckle tracking. It provides an<br>automated workflow for quantitative<br>and reproducible analysis of left<br>ventricular deformation and global<br>strain values. 4D LV Function is a<br>basic application for the assessment<br>of left ventricular volumes, EF and<br>GLS while 4D LV Analysis allows for<br>advanced investigations including<br>twist, regional strain and deformation<br>analysis. Results are mapped onto<br>the LV Beutel surface for clear<br>visualization. All results can be stored<br>and exported. | The Dynamic HeartModel (DHM)<br>provides automatic 3D anatomical<br>borders and left ventricle (LV) and left<br>atrium (LA) border tracking across all<br>frames of the cardiac cycle or cycles. | 4D LV-ANALYSIS provides<br>morphological and functional<br>analyses of the left ventricle. Based<br>on 3D echo datasets a 4D model<br>(Beutel) is generated that represents<br>the cavity of the LV and optionally<br>also the LA. Volumes, Strain and<br>Displacement are quantified on a<br>global and segmental level. | Revised for clarity. Considered<br>equivalent to primary predicate. No<br>impact to the safety or effectiveness<br>of the device.<br>Comparable and considered<br>equivalent to secondary predicate. |
| SW Version | 3.1 | 15.0 | 3.2 | Updated due to changes to SW code. |
| Measurements | As cleared | | | Same technology extended to Atrium<br>(LA Option in 4D LV-Analysis). |
| | | LAVmin<br>LAVmax | Added:<br>LA EDV (LA EDVI)<br>LA ESV (LA ESVI)<br>LA PreAV (LA PreAVI) | LA EDV corresponds to LAVmin, and<br>LA ESV corresponds to LAVmax.<br>LA PreAV is based on the same<br>dynamic quantification as LA volume<br>curve (prior to contraction). |
| | | LA EF | LA trueEF<br>LA EF<br>LA GLS | LA trueEF uses the same formula as<br>LA EF but different volume values<br>(LA PreAV instead of LAVmax).<br>LA GLS is a well-known parameter<br>and described in clinical literature.<br>Identical to secondary predicate (see<br>"4D RV-Function"). |
| Export formats: | As cleared | Beutel value export into .stl and .obj format | Added:<br>Beutel value export into .stl and .obj format | |
| Enhancements: | As cleared | n/a | Adapted Bullseye based an ASE2015<br>guideline.<br>Workflow improvements by removed<br>Beutel revision step & contour<br>proposal and retracking within<br>tracking revision step. | Workflow improvements for user<br>convenience. No impact to the safety<br>or effectiveness of the device. |
| AUTOSTRAIN | | | | |
| Application<br>Description | n/a - features and functionality were<br>part of IMAGE-COM (AutoSTRAIN<br>Addins) and 2D CPA | AutoStrain LV, LA, RV included | AutoStrain is a quantification tool of<br>global and regional function based on<br>contour detection and tracking. It<br>supports a bull's eye display of Time<br>to Peak Longitudinal Strain and End-<br>Systolic Longitudinal Strain. Further,<br>this CAP provides the calculation of<br>GLS (Global Peak Longitudinal<br>Strain). | Based on cleared Addins of IMAGE-<br>COM and 2D CPA, a dedicated<br>module (CAP) was released.<br>This CAP only includes features and<br>measurements that were already<br>available in IMAGE-COM (and<br>respective Addins), 2D CPA or have<br>been cleared by QLAB. The<br>integration "on cart" requires<br>dedicated CAPs (e.g. for the<br>application layout). This CAP is used<br>in the same clinical context and<br>workflows. No impact to the safety or<br>effectiveness of the device. |
| SW Version | n/a - features and functionality were<br>part of IMAGE-COM (AutoSTRAIN<br>Addins) and 2D CPA | 15.0 | 2.1 | No previous SW version as features<br>and functionality were included in<br>IMAGE-COM and/or 2D CPA |
| Measurements | n/a - features and functionality were<br>part of IMAGE-COM (AutoSTRAIN<br>Addins) and 2D CPA | | Added: | Measurements available within this<br>CAP were already available in<br>IMAGE-COM/2D CPA or are identical<br>to the secondary predicate (QLAB).<br>No impact to the safety or<br>effectiveness of the device. |
| | | LASr ED | LASr ED | |
| | | LAScd ED | LAScd ED | |
| | | LASct ED | LASct ED | |
| | | LASr AC | LASr AC | |
| |…
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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.