ME183L Medical Display is intended for use with Picture Archiving Communication Systems (PACS) for medical imaging applications by physicians.
Device Story
ME183L is a monochrome LCD medical display used by physicians to view medical images within PACS environments. The device receives video signals via D-SUB (analog), BNC, NTSC/PAL, or s-Video inputs. It transforms these signals into visual output on a 1280 x 1024 pixel screen. Optional software and an external photosensor (DTP92) allow for brightness calibration. The display is used in clinical settings to assist physicians in interpreting medical images, thereby supporting clinical decision-making.
Clinical Evidence
Bench testing only. No clinical data provided.
Technological Characteristics
Monochrome LCD display; 1280 x 1024 resolution; 700cd/m2 max brightness; 140MHz max image clock. Inputs: D-SUB (analog), BNC, NTSC/PAL, s-Video. Internal power supply 100-240V AC. Compliance: UL2601-1, CSA C22.2 No.601.1, EN60601-1, EN60601-1-2, FCC Class B, VCCI-B. Optional brightness calibration via software and external photosensor (DTP92).
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).
Predicate Devices
Totoku ME311L 3 Mega Pixel Diagnostic Display (K012099)
Submission Summary (Full Text)
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K030272
# 510(k) Summary
as required by 807.92
### Company Identification 1.
Totoku Electric Co., Ltd. 300 Oya, Ueda-shi, Nagano-ken, 386-0192, JAPAN Tel: 011-81-268-34-5484 Fax: 011-82-268-34-5565
### 2. Official Correspondent
Mikio Hasegawa (Mr.) General Manager Product Development Dept.
- Date of Submission 3. Jan. 24, 2003
- Device Trade Name 4. Flat Panel Display, ME183L
### Common Name 5.
Monitor, display, workstation, and others
### 6. Classification
Medical display is classified as Class I or II per 21 CFR 890.2050
### 7. Predicate Device
Totoku ME311L 3 Mega Pixel Diagnostic Display, manufactured by Totoku Electric Co., Ltd. (K012099). Comparison of the principle characteristics of the one device which is pertinent to clinical performance is shown in Appendix 1.
### Description of Device 8.
ME183L is a display for medical use.
### 9. Intended Use
ME183L 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 ME183L
ME 183L is a monochrome LCD display. ME183L (Model No. MDL1812A)
Specifications are shown in Appendix 2.
# 11. Compliance
ME183L complies with the following standards.
Medical Safety: UL2601-1, CSA No. 601-1, MDD/CE (EN60601-1, IEC60601-1), and TUV-GM
EMC: MDD/CE (EN60601-1-2), IEC60601-1-2, FCC-B and VCCI-B
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| Item | ME311L | ME183L | Item | |
|--------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------|--------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------|
| 510(k) Number | K012099 | Not known | 510(k) Number | ME183L |
| Display area | Horizontal:423.9mm, Vertical:318.0mm | Horizontal: 359.0mm, Vertical: 287.2mm | Display area | Not known<br>Horizontal: 359.0mm, Vertical: 287.2mm |
| Input signal | GVIF video signal<br>10214-1210VE (3M:MDR14P) | D-SUB(analog), BNC,<br>NTSC/PAL(Y/Cb/Cr), s-Video | Input signal | D-SUB(analog), BNC,<br>NTSC/PAL(Y/Cb/Cr), s-Video |
| Maximum display pixels | Portrait: 1536 dots X 2048 line<br>Landscape: 2048 dots X 1536 line | 1280 X 1024 dots | Maximum display pixels | 1280 X 1024 dots |
| Scanning frequency | Horizontal:93KHz, Vertical:60Hz | Horizontal: 30K - 91KHz, Vertical: 50 - 85Hz | Scanning frequency | Horizontal: 30K - 91KHz, Vertical: 50 - 85Hz |
| Maximum image clock | 65MHz | 140MHz | Maximum image clock | 140MHz |
| Maximum brightness | 600cd/m2 | 700cd/m2 | Maximum brightness | 700cd/m2 |
| Brightness calibration | Software(option) | Software(option item) | Brightness calibration | Software(option item)<br>Photosensor(option item)-DTP92(X-Lite) |
| Serial communication connector | Photosensor(option item)-DTP92(X-Lite)<br>D-sub 9P x 2 | Photosensor(option item)-DTP92(X-Lite)<br>D-SUB 15 x 1 | Serial communication connector | D-SUB 15 x 1 |
| Agency standards | Medical safety:UL2601-1,CSA No.601-1<br>EN60601-1 | Medical safety: UL2601-1,CSA CSA C22.2 No.601.1<br>TUV-GM, FCC Class B, MDD/CE(EN60601-1,<br>EN60601-1-2), VCCI-B | Agency standards | Medical safety: UL2601-1,CSA CSA C22.2No.601.1<br>TUV-GM. FCC Class B, MDD/CE(EN60601-1,<br>EN60601-1-2), VCCI-B |
| Dimensions and weight<br>(incl. Tilt and swivel) | MDD/CE:(EN60601-1, EN60601-1-2)<br>Net, 486x480x250mm(W x H x D) (landscape) 11kg<br>380x533x250mm(W x H x D) (portrait)<br>Packed, 733x642x363mm(W x H x D) 17kg | Net: 432x466x251mm(W x H x D) (landscape) 9.5kg<br>353x506x251mm(W x H x D) (portrait)<br>Packed: 470x670x340mm(W x H x D) 14kg | Dimensions and weight<br>(incl. Tilt and swivel) | Net: 432x466x251mm(W x H x D) (landscape) 9.5kg<br>353x506x251mm(W x H x D) (portrait)<br>Packed: 470x670x340mm(W x H x D) 14kg |
| Power supply | 100-240V AC, 50/60Hz | Internal power supply 100-240V AC, 50/60Hz | Power supply | Internal power supply 100-240V AC 50/60Hz |
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# Appendix 2 Specifications of the Applied Model
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Image /page/4/Picture/1 description: The image shows the logo for the Department of Health & Human Services. The logo is circular, with the words "DEPARTMENT OF HEALTH & HUMAN SERVICES - USA" arranged around the top half of the circle. Inside the circle is a stylized image of an eagle with three stripes representing the agency's mission to protect the health of all Americans and provide essential human services.
Food and Drug Administration 9200 Corporate Boulevard Rockville MD 20850
APR 2 5 2003
Mr. Mikio Hasegawa General Manager Totoku Electric Co., Ltd. Product Development Dept., MM Company 300 Oya, Ueda-shi Nagano 286-0192 JAPAN
Re: K030272 Trade/Device Name: Flat Panel Displav, ME183L Regulation Number: 21 CFR 892.2050 Regulation Name: Picture archiving and communications system Regulatory Class: II Product Code: 90 LLZ Dated: January 24, 2003 Received: January 27, 2003
Dear Mr. Hasegawa:
We have reviewed your Section 510(k) premarket notification of intent to market the device referenced above and have determined the device is substantially equivalent (for the indications for use stated in the enclosure) to legally marketed predicate devices marketed in interstate commerce prior to May 28, 1976, the enactment date of the Medical Device Amendments, or to devices that have been reclassified in accordance with the provisions of the Federal Food, Drug, and Cosmetic Act (Act) that do not require approval of a premarket approval application (PMA). You may, therefore, market the device, subject to the general controls provisions of the Act. The general controls provisions of the Act include requirements for annual registration. Iisting 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 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); 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) premarket notification. The FDA finding of substantial equivalence of your device to a legally marketed predicate 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 Part 801), please 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 Office of Compliance at (301) 594-4639. Also, please note the regulation entitled. "Misbranding by reference to premarket notification" (21CFR Part 807.97) you may obtain. Other general information on your responsibilities under the Act may be obtained from the Division of Small Manufacturers, International and Consumer Assistance at its toll-free number (800) 638-2041 or (301) 443-6597 or at its Internet address http://www.fda.gov/cdrh/dsma/dsmamain.html.
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
Page 2
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K030272 510(k) Number (If known): Not known
Flat Panel Display, ME183L Device Name:
Indications for Use:
ME183L 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
David A. Ryzwan
(Division Sign-Off)
Division of Reproductive, Abdominal,
and Radiological Devices
510(k) Number. L030772
OR Over-The-Counter Use
(Optional Format 1 -2-96)
Prescription Use
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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.
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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.
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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.
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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.
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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.