The SCENARIA View system is indicated to acquire axial volumes of the whole body including the head. Images can be acquired in axial, helical, or dynamic modes. The SCENARIA View system can also be used for interventional needle guidance. Volume datasets acquired by a SCENARIA View system can be post-processed in the SCENARIA View system to provide additional information. Post-processing capabilities of the SCENARIA View software include, multi-planar reconstruction (MPR), and volume rendering. Volume datasets acquired by a SCENARIA View system can be transferred to external devices via a DICOM standard interface. The Low Dose CT Lung Cancer Screening Option for the SCENARIA View system is indicated for using low dose CT for lung cancer screening must be conducted with the established program criteria and protocols that have been approved and published by a governmental body, a professional medical society, and/or Hitachi.
Device Story
Multi-slice CT system; uses rotating X-ray tube and detector assembly to collect 64-slice data simultaneously; reconstructs cross-sectional images via high-speed sub-system. Operated by clinicians in clinical settings; workstation displays, stores, and archives images. Features include Volume Shuttle Scan (alternating table direction) and HiMAR Plus (metal artifact reduction). Output used by physicians for diagnostic assessment and interventional guidance. Benefits include high-speed imaging, reduced artifacts, and standardized lung cancer screening capabilities.
Clinical Evidence
Clinical image study conducted to assess image quality of reconstructions using FBP, HiMAR Plus, and Intelli IPV. Bench testing performed for dose profile, noise, CT number, uniformity, spatial resolution, slice thickness, and CT dose index. Compliance with IEC 60601-1, 60601-1-2, 60601-1-3, 60601-1-6, 60601-2-44, 62304, 62366, and NEMA XR 25/29 standards.
Technological Characteristics
128-slice CT system; 64-slice simultaneous data collection. High-frequency X-ray generator; fan beam output. Slip-ring gantry rotation. PC-based workstation (Windows OS). DICOM interface. Features: HiMAR Plus (raw data space metal artifact correction), Volume Shuttle Scan. Standards: AAMI ANSI ES60601-1, IEC 60601 series, NEMA XR 25/29.
Indications for Use
Indicated for whole-body (including head) axial volume acquisition for diagnostic imaging and interventional needle guidance. Includes optional low-dose CT for lung cancer screening per established clinical protocols.
Regulatory Classification
Identification
A computed tomography x-ray system is a diagnostic x-ray system intended to produce cross-sectional images of the body by computer reconstruction of x-ray transmission data from the same axial plane taken at different angles. This generic type of device may include signal analysis and display equipment, patient and equipment supports, component parts, and accessories.
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July 17, 2020
Image /page/0/Picture/1 description: The image contains the logo of the U.S. Food and Drug Administration (FDA). On the left is the Department of Health & Human Services logo. To the right of that is the FDA logo, which is a blue square with the letters "FDA" in white. To the right of the blue square is the text "U.S. FOOD & DRUG ADMINISTRATION" in blue.
Hitachi Healthcare Americas % Mr. Aaron Pierce Director, RA/QA 1959 Summit Commerce Park TWINSBURG OH 44087
Re: K200498
Trade/Device Name: SCENARIA View Regulation Number: 21 CFR 892.1750 Regulation Name: Computed tomography x-ray system Regulatory Class: Class II Product Code: JAK Dated: June 4, 2020 Received: June 8, 2020
Dear Mr. Pierce:
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/cfpmp/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 devices or postmarketing safety reporting (21 CFR 4, Subpart B) for combination products (see
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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) K200498
Device Name SCENARIA View Form Approved: OMB No. 0910-0120
Expiration Date: 06/30/2020
See PRA Statement below.
Indications for Use (Describe)
The SCENARIA View system is indicated to acquire axial volumes of the whole body including the head. Images can be acquired in axial, helical, or dynamic modes. The SCENARIA View system can also be used for interventional needle guidance.
Volume datasets acquired by a SCENARIA View system can be post-processed in the SCENARIA View system to provide additional information. Post-processing capabilities of the SCENARIA View software include, multi-planar reconstruction (MPR), and volume rendering.
Volume datasets acquired by a SCENARIA View system can be transferred to external devices via a DICOM standard interface.
The Low Dose CT Lung Cancer Screening Option for the SCENARIA View system is indicated for using low dose CT for lung cancer screening must be conducted with the established program criteria and protocols that have been approved and published by a governmental body, a professional medical society, and/or Hitachi.
Type of Use (Select one or both, as applicable)
> Prescription Use (Part 21 CFR 801 Subpart D)
Over-The-Counter Use (21 CFR 801 Subpart C)
#### CONTINUE ON A SEPARATE PAGE IF NEEDED.
This section applies only to requirements of the Paperwork Reduction Act of 1995.
#### *DO NOT SEND YOUR COMPLETED FORM TO THE PRA STAFF EMAIL ADDRESS BELOW.*
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Image /page/3/Picture/0 description: The image shows the logo for Hitachi. The word "HITACHI" is written in large, bold, black letters. Below it, the phrase "Inspire the Next" is written in a smaller, less bold font, also in black, with a small red accent mark above the letter "i" in "Inspire."
# 510(k) Summary
K200498
### Submitter Information
| Submitter: | Hitachi Healthcare Americas<br>1959 Summit Commerce Park<br>Twinsburg, Ohio 44087-2371 |
|-------------------|----------------------------------------------------------------------------------------|
| Contact: | Aaron Pierce |
| Telephone number: | 330-425-1313 |
| Telephone number: | 330-963-0749 |
| E-mail: | piercea@hitachihealthcare.com |
| Date: | June 4, 2020 |
### Subject Device Name
| Trade/Proprietary Name: | SCENARIA View |
|-------------------------|------------------------------------------|
| Regulation Number: | 21 CFR 892.1750 |
| Regulation Name: | Computed tomography x-ray system |
| Product Code | JAK, System, X-Ray, Tomography, Computed |
| Class | II |
| Panel | Radiology |
### Predicate Device Name
| Predicate Device(s): | SCENARIA View (K190841) |
|----------------------|------------------------------------------|
| Regulation Number: | 21 CFR 892.1750 |
| Regulation Name: | Computed tomography x-ray system |
| Product Code | JAK, System, X-Ray, Tomography, Computed |
| Class | II |
| Panel | Radiology |
### Indications for Use
The SCENARIA View system is indicated to acquire axial volumes of the whole body including the head. Images can be acquired in axial, helical, or dynamic modes. The SCENARIA View system can also be used for interventional needle quidance.
Volume datasets acquired by a SCENARIA View system can be post-processed in the SCENARIA View system to provide additional information. Post-processing capabilities of the SCENARIA View software include, multi-planar reconstruction (MPR), and volume rendering.
Volume datasets acquired by a SCENARIA View system can be transferred to external devices via a DICOM standard interface.
The Low Dose CT Lung Cancer Screening Option for the SCENARIA View system is indicated for using low dose CT for lung cancer screening must be conducted with the established program criteria and protocols that have been approved and published by a governmental body, a professional medical society, and/or Hitachi.
## Device Description
### Function
The SCENARIA View is a multi-slice computed tomography system that uses x-ray data to produce cross-sectional images of the body at various angles.
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Image /page/4/Picture/0 description: The image shows the Hitachi logo. The word "HITACHI" is in bold, black letters on the top line. The words "Inspire the Next" are in a smaller font below the company name.
### Scientific Concepts
The SCENARIA View system uses 128-slice CT technology. where the X-ray tube and detector assemblies are mounted on a frame that rotates continuously around the patient using slip ring technology. The solid-state detector assembly design collects up to 64 slices of data simultaneously. The X-ray sub-system features a high frequency generator, X-ray tube, and collimation system that produces a fan beam X-ray output. The system can operate in a helical (spiral) scan mode where the patient table moves during scanning. As the X-ray tube/detector assembly rotates around the patient, data is collected at multiple angles.
The collected data is then reconstructed into cross-sectional images by a high-speed reconstruction sub-system. The images are displayed on a Computer Workstation, stored, printed, and archived as required. The workstation is based on current PC technology using the Windows™ operating system.
#### Physical and Performance Characteristics
The SCENARIA View system consists of a Gantry, Operator's Workstation, Patient Table, High-Frequency X-ray Generator, and accessories. The system performance is similar to the predicate device.
#### Performance Comparison
A clinical evaluation comparison was conducted with the SCENARIA View system and the SCENARIA Phase 3 System (K150595) and found to be substantially equivalent as documented in Section 10 - Performance.
In addition, evaluations were conducted for dose profile, image noise, Modulation Transfer Function (MTF), slice thickness and sensitivity profile, slice plane location, and CT dose index as documented in Section 10 - Performance.
The evaluation results confirm the performance characteristics of the SCENARIA View are comparable to the predicate device and support our conclusion that the subject system is substantially equivalent.
### Device Technological Characteristics
A summary of the differences is listed in the following table.
| Systems | SCENARIA View<br>Subject Device | SCENARIA View (K190841)<br>Predicate Device |
|--------------------------|----------------------------------------------------|----------------------------------------------------|
| Physical characteristics | Image: Subject Device | Image: Predicate Device |
| Gantry | There are not differences between the two systems. | There are not differences between the two systems. |
| Detector | There are not differences between the two systems. | There are not differences between the two systems. |
| X-ray Tube | There are not differences between the two systems. | There are not differences between the two systems. |
| X-ray Generator | There are not differences between the two systems. | There are not differences between the two systems. |
1959 Summit Commerce Park, Twinsburg, OH 44087 Tel:800-800-3106 www.hitachimed.com
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Image /page/5/Picture/0 description: The image shows the logo for Hitachi. The word "HITACHI" is in large, bold, black letters on the top line. Below that, the words "Inspire the Next" are in a smaller, black font, with a small red accent mark above the letter "t" in "Next".
| Systems | SCENARIA View<br>Subject Device | SCENARIA View (K190841)<br>Predicate Device |
|--------------------------|----------------------------------------------------------------------|---------------------------------------------|
| Patient Table | There are not differences between the two systems. | |
| Display | There are not differences between the two systems. | |
| Image Storage | There are not differences between the two systems. | |
| Scanning, Reconstruction | There are not differences between the two systems. | |
| Performance | There are not differences between the two systems. | |
| Dose Controls | There are not differences between the two systems. | |
| Dose Displays | There are not differences between the two systems. | |
| Features | The new Volume Shuttle Scan and HiMAR Plus features have been added. | |
HiMAR Plus feature provides two strength levels as "standard" and "strong", which can adjust the correction strength in raw data space.
Volume Shuttle Scan is an optional feature for alternating the forward and backward directions of the table, in the same scan range, while at the same time taking scan images and moving the table quickly.
Therefore, based on a thorough analysis and comparison of subject device (SCENARIA View) and the predicate device, the technological characteristics do not impact safety and effectiveness.
### Substantial Equivalence
A summary decision was based on a thorough analysis and comparison of the functions, scientific concepts, physical and performance characteristics, performance comparison and technoloqical characteristics.
| ITEM | Overall Rationale Analysis |
|--------------------------|-----------------------------------------------------------------------------------------------------------------------------|
| Gantry | There are no significant changes in the SCENARIA View from the predicate device which would affect safety or effectiveness. |
| Detector | |
| X-ray Tube | |
| X-ray Generator | |
| Patient Table | |
| Display | |
| Image Storage | |
| Scanning, Reconstruction | |
| Performance | |
| Dose Controls | |
| Dose Displays | |
| Features | |
Therefore, based on a thorough analysis and comparison of the functions, scientific concepts, physical and performance characteristics, performance comparison and technological characteristics, the proposed SCENARIA View is considered substantially equivalent to the
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Image /page/6/Picture/0 description: The image shows the Hitachi logo. The word "HITACHI" is in large, bold, black letters. Below the company name is the slogan "Inspire the Next" in a smaller font, also in black. The letter "t" in "Next" has a small red accent mark above it.
currently marketed predicate device (SCENARIA View (K190841)) in terms of design features, fundamental scientific technology, indications for use, and safety and effectiveness.
## Summary of Non-Clinical Testing
This device complies with all applicable requirements for Dose Profile, Noise, Mean CT number and Uniformity, Spatial Resolution, Tomographic Section Thickness and Sensitivity Profile, Tomographic Plane Location, and CT dose index.
In addition, the SCENARIA View system is in conformance with the applicable parts of the following standards:
- . AAMI ANSI ES60601-1:2005/(R) 2012 and A1:2012, C1:2009/(R)2012 and A2:2010/(R)2012
Medical electrical equipment - Part 1: General requirements for basic safety and essential performance (IEC 60601-1:2005, MOD)
- IEC 60601-1-2 Edition 4.0 Medical electrical equipment - Part 1-2: General requirements for basic safety and essential performance - Collateral standard: Electromagnetic compatibility - Requirements and tests
- . IEC 60601-1-3 Edition 2.1
Medical electrical equipment - Part 1-3: General requirements for basic safety and essential performance - Collateral Standard: Radiation protection in diagnostic X-ray equipment
- . IEC 60601-1-6 Edition 3.1 Medical electrical equipment - Part 1-6: General requirements for basic safety and essential performance - Collateral standard: Usability
- IEC 60601-2-44 Edition 3.1 ●
Medical electrical equipment Part 2-44: particular requirements for the basic safety and essential performance of x-ray equipment for computed tomography.
- . IEC 62304 Edition 1.1 Medical device software - Software life cycle processes
- IEC 62366 Edition 1.1 Medical devices - Application of usability engineering to medical devices
- . NEMA XR 25 Computed Tomography Dose Check
- NEMA XR29 Standard Attributes on CT Equipment Related to Dose Optimization and . Management
### Summary of Clinical Testing
Hitachi has conducted a clinical image study to assess the image quality of the images reconstructed by using FBP and the two new features. (HiMAR Plus, Intelli IPV).
### Conclusions
Hitachi believes that, based on the information included in the submission, SCENARIA View Ph 2 is substantially equivalent with respect to hardware, base elements of the software, safety, effectiveness, and functionality to the SCENARIA View (K190841).
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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.