QXR-9 Digital Radiography system is indicated for digital imaging solution designed for general radiographic system for human anatomy. It is intended to replace film or screen based radiographic systems in all general purpose diagnostic procedures. Not to be used for mammography.
Device Story
QXR-9 is a digital radiography system replacing conventional film-based systems. It utilizes a Charge Coupled Device (CCD) detector to capture X-ray images (3072x3072 pixels) of human anatomy. The system processes these inputs via workstation software running on Windows XP, allowing operators to perform image adjustments including inversion, zooming, panning, window level, and contrast enhancement. Processed images are displayed on a high-resolution monitor (1600x1200) within 10 seconds of exposure. The system supports DICOM 3.0 for connectivity with printers and storage. It is intended for use by healthcare professionals in clinical settings to facilitate diagnostic decision-making by providing enhanced digital visualization of anatomical structures.
Clinical Evidence
No clinical data. Performance was established through bench testing, including electrical, mechanical, and environmental safety testing per IEC 60601-1 and IEC 60601-1-1, EMC testing per IEC 60601-1-2, and biocompatibility testing per ISO 10993-1. Non-clinical and clinical considerations were addressed in accordance with the FDA Guidance for the Submission of 510(k) for Solid State X-ray Imaging Devices.
Technological Characteristics
Solid-state X-ray imaging system using a CCD detector. 17"x17" imaging area, 3.5 lp/mm resolution, 14-bit digitization. Connectivity via DICOM 3.0. Software operates on Windows XP. Safety standards: IEC 60601-1, IEC 60601-1-1, IEC 60601-1-2. Biocompatibility: ISO 10993-1.
Indications for Use
Indicated for digital imaging of human anatomy in general purpose diagnostic radiographic procedures. Contraindicated for mammography.
Regulatory Classification
Identification
A stationary x-ray system is a permanently installed diagnostic system intended to generate and control x-rays for examination of various anatomical regions. This generic type of device may include signal analysis and display equipment, patient and equipment supports, component parts, and accessories.
Special Controls
*Classification.* Class II (special controls). A radiographic contrast tray or radiology diagnostic kit intended for use with a stationary x-ray system only is exempt from the premarket notification procedures in subpart E of part 807 of this chapter subject to the limitations in § 892.9.
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K073056
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# 510(k) Summary
This summary of 510(k) safety and effectiveness information is being submitted in accordance with requirements of 21 CFR Part 807.92.
| Date: | Aug. 31, 2007 |
|-------|---------------|
|-------|---------------|
**NOV 1 3 2007**
1. Company and Correspondent making the submission:
Name - Vieworks Co., Ltd.
Address - #604, Suntechcity 2, 307-2, Sangdaewon-dong, Jungwon-gu, Seongnamcity, Gyeonggi-do, 462-725 South Korea
Telephone – +82-70-7011-6190
Fax - +82-31-737-4954
Contact - Raza, Kim / Sales & Marketing Manager
E-mail - lukekim@vieworks.com
- 2. Device :
| Trade/proprietary name | : QXR-9 |
|------------------------|------------------------------------|
| Common Name | : Digital Radiography System |
| Classification Name | : Solid State X-ray Imaging Device |
### 3. Predicate Devices :
に「これ・・・コイ・ア・セット・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・
| Manufacturer | : IMAGING DYNAMICS COMPANY LTD. |
|---------------|-----------------------------------------|
| Device | : XAMINER |
| 510(k) Number | : K061595(Decision Date - 8. 17. 2006) |
| Manufacturer | : Swissray International, Inc. |
| Device | : AddOn Multi System |
| 510(k) Number | : K973710(Decision Date - 12. 18. 1997) |
## 4. Classifications Names & Citations :
21CFR 892.1650, MQB - Solid State X-ray Imaging Device, Class 2
#604, Suntechcity 2, 307-2, Sangdaewon-dong, Jungwon-gu, Seongnam-city, Gyeonggi-do, 462-725 South Korea
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### 5. Description :
- 5.1 General
The QXR-9 Digital Radiography Systems is a high-resolution digital imaging system designed for digital radiography. It is designed to replace conventional film radiography techniques. This system consists of Detector, Power Supply Unit, Accessories, and S/W, The S/W is operated at a workstation that is using Windows XP based OS as its operating system.
The system allows the operator to acquire and display images(Image size : 3072x3072 pixels) on 1600 x1200 high resolution monitor.
Various features of S/W such as image inversion, image processing, zooming, panning, window level adjustment, contrast adjustment etc enable the operator to view diagnostic details difficult to see using conventional non-digital techniques.
#### 5.2 Features
- One Charge Coupled Device (CCD) armed with one lens.
- 17" x17" imaging area with 3072 x 3072 image format.
- High resolution image with 3.5lp/mm
- Wide dynamic range with 14-bit digilization
- SAW is designed to be operated on MS Windows XP operating system
- Image process parameters are selectable according to the body part to make best images for diagnosis
- Make copy of images to a CD or DVD or an external USB storage
- No x-ray generator control
- DICOM3.0 standard compliance
- DICOM printer and laser printer compatible
- Image Acquisition within 3.5 seconds after x-ray exposure
- Display processed image within 10 seconds after x-ray exposure
- Non-Processed image can be displayed by using Preview function
- 6. Indication for use :
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
QXR-9 Digital Radiography system is indicated for digital imaging solution designed for general radiographic system for human anatomy. It is intended to replace film or
#604, Suntechcity 2, 307-2, Sangdaewon-dong, Jungwon-gu, Seongnam-city, Gyeonggi-do, 462-725 South Korea
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KC73056
Page 3 of 3
screen based radiographic systems in all general purpose diagnostic procedures. Not to be used for mammography.
- 7. Comparison with predicate device :
Vieworks Co., Ltd. believes that the Digital Radiography System (QXR-9) is substantially equivalent to to Xaminer of IMAGING DYNAMICS COMPANY LTD. and AddOn Multi System of Swissray International, Inc..
- 8. Safety, EMC, Biocompatibility and Performance Data :
Electrical, mechanical, environmental safety and performance testing according to standard IEC 60601-1 and IEC 60601-1-1 was performed, and EMC testing was conducted in accordance with standard IEC 60601-1-2(2001). Biocompatibility testing was conducted in accordance with Standard ISO 10993-1. Non-clinical & Clinical considerations according to FDA Guidance for the Submission of 510(k) @for Solid State X-ray Imaging Devices? was performed. All test results were satisfactory.
- 9. Conclusions :
In accordance with the Federal Food, Drug and Cosmetic Act, 21 CFR Part 807 and based on the information provided in this premarket notification Vieworks Co., Ltd. concludes that the Digital Radiography System(QXR-9) is safe and effective and substantially equivalent to predicate devices as described herein.
- 10. Vieworks Co., Ltd. will update and include in this summary any other information deemed seasonably necessary by the FDA.
END
#604, Suntechcity 2, 307-2, Sangdaewon-dong, Jungwon-gu, Seongnam-city, Gyeonggi-do, 462-725 South Korea
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Image /page/3/Picture/0 description: The image shows the logo for the Department of Health & Human Services USA. The logo is a circular emblem with the words "DEPARTMENT OF HEALTH & HUMAN SERVICES USA" arranged around the perimeter. Inside the circle is a stylized image of an eagle with its wings spread, symbolizing the department's mission to protect the health of all Americans.
## DEPARTMENT OF HEALTH & HUMAN SERVICES
Public Health Service
Food and Drug Administration 10903 New Hampshire Avenue Document Control Room - WO66-G609 Silver Spring, MD 20993-0002
Viewworks Co., Ltd % Mr. Morten Simon Christensen Staff Engineer/Office Coordinator Underwriters Laboratories, Inc. 455 E. Trimble Road SAN JOSE CA 95131-1230
AUG 2 3 2013
Re: K073056
Trade/Device Name: Digital Radiography System/QXR-9 Regulation Number: 21 CFR 892.1680 Regulation Name: Stationary x-ray system Regulatory Class: II Product Code: MOB Dated: October 15, 2007 Received: October 30, 2007
Dear Mr. Christensen:
This letter corrects our substantially equivalent letter of November 13, 2007.
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 for use stated in the enorosale) to 10gm.) to 10gm.) 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 I va may, and on one of the Act include requirements for annual registration, listing of devices, good manufacturing practice, labeling, and prohibitions against misbranding and adulteration.
If your device is classified (see above) into class II (Special Controls), it may be subject to such additional controls. Existing major regulations affecting your device can be found in Title 21, accitional of Federal Regulations (CFR), Parts 800 to 895. 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 Parts 801 and 809); medical device reporting (reporting of
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medical device-related adverse events) (21 CFR 803); and good manufacturing practice requirements as set forth in the quality systems (QS) regulation (21 CFR Part 820). This letter will allow you to begin marketing your device as described in your Section 510(k) premarket notification. The FDA finding of substantial equivalence of your device to a legally marketed nredicate device results in a classification for your device and thus, permits your device to proceed to the market.
If you desire specific advice for your device on our labeling regulation (21 CFR Parts 801 and 11 you don't open and the Office of In Vitro Diagnostic Device Evaluation and Safety at (301) 796-5450. 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 I ou may other other guiter granational and Consumer Assistance at its toll-free number (800) 638-2041 or (301) 796-7100 or at its Internet address http://www.fda.gov/cdrh/industry/support/index.html.
Sincerely Yours,
Janine M. Morris
Acting Director Division of Radiological Devices Office of In Vitro Diagnostic Device Evaluation and Safety Center for Devices and Radiological Health
Enclosure
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# Indications for Use
510(k) Number(if known):
Kc73056
Device Name: Digital Radiography System/ QXR-9
Indications for Use:
QXR-9 Digital Radiography system is indicated for digital imaging solution designed for general radiographic system for human anatomy. It is intended to replace film or screen based radiographic systems in all general purpose diagnostic procedures. Not to be used for mammography.
Prescription Use (Part 21 CFR 801 Subpart D)
AND/OR Over-The-Counter Use
(Part 21 CFR 807 Subpart C)
(PLEASE DO NOT WRITE BELOW THIS LINE-CONTINUE ON ANOTHER PAGE IF NEEDED)
Concurrence of CDRH, Office of Device Evaluation(ODE)
Page 1 of _1
Tonni M. Wht
(Division Slan-Division of Reproductive, Abdominal and Radiological Devices 510(k) Number
30000062
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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.