ME511L Medical Display is intended for use with Picture Archiving Communication Systems (PACS) for medical imaging applications by physicians.
Device Story
ME511L is a monochrome LCD medical display; used with Picture Archiving Communication Systems (PACS) for medical imaging. Operated by physicians in clinical environments to view diagnostic images. Device transforms digital image data from PACS into visual output on the LCD screen; assists physicians in clinical decision-making by providing high-resolution visualization of medical images.
Clinical Evidence
No clinical data provided; bench testing only.
Technological Characteristics
Monochrome LCD display (Model MDL2105A). Complies with medical safety standards UL2601-1, CSA No. 601-1, and EN60601-1. Complies with EMC standards FCC-A and EN60601-1-2.
Indications for Use
Indicated for use by physicians for medical imaging applications within Picture Archiving Communication Systems (PACS).
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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APR 2 3 2004
# 510(k) Summary
as required by 807.92
Ko3/661
#### Company Identification 1.
Totoku Electric Co., Ltd. 300 Oya, Ueda-shi, Nagano-ken, 386-0192, JAPAN 011-81-268-34-5484 Tel: Fax: 011-82-268-34-5565
#### Official Correspondent 2.
Mikio Hasegawa (Mr.) General Manager Product Development Dept.
#### Date of Submission 3.
May 26, 2003
#### Device Trade Name 4.
5M Medical Flat Panel Display, ME511L
#### Common Name 5.
Monitor, display, workstation, and others
#### 6. Classification
Classification
Medical display is classified as Class I or II per 21 CFR 899 2050
#### Predicate Device 7.
Totoku ME315L, 3 Megapixel Diagnostic Display, manufactured by Totoku Electric Co., Ltd. (K030274). Comparison of the principle characteristics of the device, which is pertinent to clinical performance, is shown in Appendix 1.
#### Description of Device 8.
ME511L is medical use display.
#### 9. Intended Use
ME511L Medical Display is intended for use with Picture Archiving Communication Systems (PACS) for medical imaging applications by physicians.
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## 10. Explanation of ME511L
ME 511L is monochrome LCD display. ME511L (Model No. MDL2105A)
The specifications are shown in Appendix 2.
### 11. Compliance
ME511L complies with the following standards.
Medical Safety: UL2601-1, CSA No. 601-1, MDD/CE (EN60601-1),
and TUV-GM
MDD/CE (EN60601-1-2), FCC-A EMC:
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Image /page/2/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" arranged around the perimeter. Inside the circle is a stylized image of an eagle with its wings spread, facing to the right. The eagle's body is composed of three vertical lines, and its legs are represented by three curved lines.
Food and Drug Administration 9200 Corporate Boulevard Rockville MD 20850
### APR 2 3 2004
Mr. Mikio Hasegawa General Manager TOTOKU ELECTRIC CO., LTD, MM Company, Design Group 300 Oya, Ueda, Nagano 386-1092 JAPAN
Re: K031661 Trade/Device Name: 5M Medical Flat Panel Display, ME511L Regulation Number: 21 CFR 892.2050 Regulation Name: Picture archiving and communication system Regulatory Class: II Product Code: 90 LLZ Dated: February 3, 2004 Received: February 5, 2004
Dear Mr. Hasegawa:
We have reviewed your Section 510(k) premarket notification of intent to market the device wf nave reviewed your betermined the device is substantially equivalent (for the indications for use stated in the enclosure) to legally marketed predicate devices marketed in interstate for use stared in the enot 28, 1976, the enactment date of the Medical Device Amendments, or to econiner of the they are reclassified in accordance with the provisions of the Federal Food, Drug, de noos that hat ( 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 ou may, the cerony in 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 either class II (Special Controls) or class III (PMA), it may be subject to such 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 cquivalence determination does not mean I loase ve activities made a determination that your device complies with other requirements of the Act that 1 DA has made a very regulations administered by other Federal agencies. You must comply or any I bactar starss and including, but not limited to: registration and listing (21 CFR Part 807); labeling (21 CFR Part 801); 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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This letter will allow you to begin marketing your device as described in your Section 510(k) This letter will allow you to begin marketing your artist equivalence of your device to a legally premarket notification. The PDA intellig of substantial equivalians of thus, permits your device to proceed to the market.
If you desire specific advice for your device on our labeling regulation (21 CFR Part 801), please
rs the regulation and 1 1 - 1 - 1 - 1 - 1 - 1 - 1 - 1 - 1 - 1 - 1 - 1 - reg contact the Office of Compliance at one of the following numbers, based on the regulation number at the top of the letter:
| 8xx.1xxx | (301) 594-4591 |
|----------------------------------|----------------|
| 876.2xxx, 3xxx, 4xxx, 5xxx | (301) 594-4616 |
| 884.2xxx, 3xxx, 4xxx, 5xxx, 6xxx | (301) 594-4616 |
| 892.2xxx, 3xxx, 4xxx, 5xxx | (301) 594-4654 |
| Other | (301) 594-4692 |
Additionally, for questions on the promotion and advertising of your device, please contact the Additionally, for questions on the promotive and any and on the regulation entitled, "Misbranding
Office of Compliance at (301) 594-4639. Also, please note their - Other gene Office of Compliatice at (301) 574-4057. This, production of the Peneral by reference to premarket nomication (210) it it all one of on the Division of Small
information on your responsibilities under the Act may be of the sumber (800) 638-2041 information on your responsibilities under the Assistance at its toll-dreamenting html Manufacturers, International and Collisation Postedwith Art Collection of School
Sincerely yours,
Nancy C. Brogdon
Nancy C. Brogdon Director, Division of Reproductive, Abdominal and Radiological Devices Office of Device Evaluation Center for Devices and Radiological Health
Enclosure
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Not known 510(k) Number (If known):
K63/661
5M Medical Flat Panel Display, ME511L Devicc Name:
Indications for Use:
ME511L Medical Display is intended for use with Picture Archiving Communication Systems (PACS) for medical imaging application by physicians.
# (PLEASE DO NOT WRITE BELOW THIS LINE-CONTINUE ON ANOTHER PAGE IF NECESSARY
### Concurrence of CDRH, Office of Device Evaluation
Prescription Use
OR Over-The-Counter Use
David A. Lynam
(Optional Format 1-2-96)
(Division Sign-Off) Division of Reproductive, Abdominal, and Radiological Device 510(k) Number
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.