K163558 · Synapsys SA · GWN · Mar 23, 2017 · Neurology
Device Facts
Record ID
K163558
Device Name
Synapsys Ulmer Video Nystagmograph
Applicant
Synapsys SA
Product Code
GWN · Neurology
Decision Date
Mar 23, 2017
Decision
SESE
Submission Type
Special
Regulation
21 CFR 882.1460
Device Class
Class 2
Indications for Use
The Ulmer Video Nystagmograph System is intended for use by the physician as an aid for the detection and diagnosis of vestibular disorders. The Ulmer VNG detects and displays eye position and movement in response to a number of vestibular stimulations i.e. saccadic test, smooth pursuit, optokinetic nystagmus, caloric tests and kinetic vestibular tests. The Ulmer VNG records and analyses the bilateral, monocular, horizontal and vertical aspects of eye position and movement. This device is intended to be used in a doctor's office or health care facility to obtain recorded data of nystagmus by directly observing eye motion by video cameras. The resulting recorded data is evaluated by a trained physician and considered along with other relevant data in diagnosing vestibular disorders.
Device Story
System captures eye position/movement via infrared video camera goggles (wired or wireless); processes data via software modules (caloric, saccade, pursuit, kinetic, optokinetic, nystagmus); displays results for physician review. Used in doctor's offices/healthcare facilities. Wireless camera (WNS) improves ergonomics/portability. Physician evaluates recorded nystagmus data alongside other clinical findings to diagnose vestibular disorders. Benefits include easier maneuvers and increased portability for patient testing.
Clinical Evidence
No clinical data provided. Substantial equivalence supported by non-clinical bench testing, including electrical safety, electromagnetic compatibility, and software verification.
Technological Characteristics
System comprises software modules and video acquisition hardware (goggles/masks). Cameras use infrared light. Connectivity includes wired and wireless (Wifi) options. Complies with AAMI/ANSI ES 60601-1, AAMI/ANSI IEC 60601-1-2, and AAMI ANSI IEC 62304. Patient-contact materials (foam) remain unchanged from predicate. Operates on standard PC hardware with wireless card for WNS model.
Indications for Use
Indicated for use by physicians to aid in the detection and diagnosis of vestibular disorders in patients undergoing vestibular stimulation tests (saccadic, smooth pursuit, optokinetic, caloric, kinetic).
Regulatory Classification
Identification
A nystagmograph is a device used to measure, record, or visually display the involuntary movements (nystagmus) of the eyeball.
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Food and Drug Administration 10903 New Hampshire Avenue Document Control Center - WO66-G609 Silver Spring, MD 20993-0002
March 23, 2017
Synapsys SA % Ms. Rachel Paul Senior Consultant, QA & RA Emergo Europe Consulting Prinsessegracht 20 The Hague, 2514AP NL
Re: K163558
Trade/Device Name: Synapsys Ulmer Video Nystagmograph Regulation Number: 21 CFR 882.1460 Regulation Name: Nystagmograph Regulatory Class: Class II Product Code: GWN Dated: March 6, 2017 Received: March 9, 2017
Dear Ms. Paul:
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, 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.
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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 (reporting of medical devicerelated adverse events) (21 CFR 803); 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.
If you desire specific advice for your device on our labeling regulation (21 CFR Part 801), please contact the Division of Industry and Consumer Education at its toll-free number (800) 638-2041 or (301) 796-7100 or at its Internet address
http://www.fda.gov/MedicalDevices/ResourcesforYou/Industry/default.htm. 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 Division of Industry and Consumer Education at its toll-free number (800) 638-2041 or (301) 796-7100 or at its Internet address
http://www.fda.gov/MedicalDevices/ResourcesforYou/Industry/default.htm.
Sincerely yours.
Eric A. Mann -S
for Malvina B. Eydelman, M.D. Director Division of Ophthalmic and Ear, Nose and Throat Devices Office of Device Evaluation Center for Devices and Radiological Health
Enclosure
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### Indications for Use
510(k) Number (if known) K163558
Device Name Synapsys Ulmer VNG
#### Indications for Use (Describe)
The Ulmer Video Nystagmograph System is intended for use by the detection and diagnosis of vestibular disorders. The Ulmer VNG detects and displays eye position and movement in response to a number of vestibular stimulations i.e. saccadic test, smooth pursuit, optokinetic nystagmus, caloric tests. The Ulmer VNG records and analyses the bilateral, monocular, horizontal and vertical aspects of eye position and movement. This device is intended to be used in a doctor's office or health care facility to obtain recorded data of nystagmus by directly observing eye motion by video cameras. The resulting recorded data is evaluated by a trained physician and considered along with other relevant data in diagnosing vestibular disorders.
Type of Use (Select one or both, as applicable)X Prescription Use (Part 21 CFR 801 Subpart D)
Over-The-Counter Use (21 CFR 801 Subpart C)
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# 510(k) Summary (Special 510(k))
## Ulmer VNG
### K163558
#### 1. Submission Sponsor
Synapsys S.A.
2 Rue Marc Donadille
Hotel Technoptic
13013 Marseille
FRANCE
Contact: Laetitia Baconnier
Title: Purchasing and QA&RA Manager
Email: l.baconnier@synapsys.fr
Office number: +33(4) 91 11 75 75
#### 2. Submission Correspondent
Emergo Europe Consulting
Prinsessegracht 20
The Hague
2514AP
The Netherlands
Contact: Rachel Paul
Title: Senior Consultant, QA&RA
Email: project.management@emergogroup.com
Cellphone number: 00 33 6 89 83 16 09
Office number: +31 (0) 70 345 8570
Direct number: +31 (0) 70 850 8249
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#### 3. Date Prepared
December 16, 2016
#### 4. Device Identification
| Trade/Proprietary Name: | Synapsys Ulmer Video Nystagmograph |
|-------------------------|------------------------------------|
| Common/Usual Name:- | Ulmer VNG |
| Classification Name:- | Nystagmograph |
| Regulation Number:- | 882.1460 |
| Product Code: | GWN |
| Device Class: | Class II |
| Classification Panel: | Neurology |
#### 5. Legally Marketed Predicate Device(s)
K982103, Ulmer VNG, Synapsys Incorporated.
#### 6. Indication for Use Statement
The Ulmer Video Nystagmograph System is intended for use by the physician as an aid for the detection and diagnosis of vestibular disorders. The Ulmer VNG detects and displays eye position and movement in response to a number of vestibular stimulations i.e. saccadic test, smooth pursuit, optokinetic nystagmus, caloric tests and kinetic vestibular tests. The Ulmer VNG records and analyses the bilateral, monocular, horizontal and vertical aspects of eye position and movement. This device is intended to be used in a doctor's office or health care facility to obtain recorded data of nystagmus by directly observing eye motion by video cameras. The resulting recorded data is evaluated by a trained physician and considered along with other relevant data in diagnosing vestibular disorders.
#### 7. Device Description
The Ulmer VNG is a video nystagmograph system composed by a software and hardware components.
The software has optional modules: Caloric, Saccade, Slow Pursuit, Kinetic, Optokinetic, Nystagmus (Nystagmus, Gaze or Vertical Subjective modules). It is provided on a CD Rom and activated with a key licensing.
The hardware components correspond to a video acquisition unit. The video acquisition unit is composed by different camera goggles/masks in order to allow the visualization of the movement of one or both eye of the patient. The types of cameras included are as follows:
- -Type VNS (goggle camera wired),
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- -Type WNS (goggle camera wireless using Wifi), and
- -Type VISIO (goggle camera for visual free field).
For Kinetic Test, an optional stimulator system can be used and is composed by a speed sensor velocimeter and a rotating chair.
The modified Ulmer VNG system is a modification of the previously cleared Synapsys Ulmer VNG System (K982103) which allows use of a wireless camera (using Wifi).
The advantage of a wireless camera system resides in both ergonomics: manoeuvers made easier without being disturbed by cable presence; and portability: makes possible to bring a VNG system (PC laptop + wireless camera) to the patient unlike other fixed wired systems.
#### 8. Substantial Equivalence Discussion
The following table compares the modified Ulmer VNG to the unmodified predicate device with respect to indications for use, principles of operation, technological characteristics, and performance testing. The comparison of the devices provides more detailed information regarding the basis for the determination of substantial equivalence, and supports that the subject device, as modified, does not raise any new issues of safety or effectiveness than the predicate device.
| Manufacturer | Synapsys SA | Synapsys Inc | Device Comparison |
|--------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| Trade Name | Ulmer VNG | Ulmer VNG (Predicate) | |
| 510(k) Number | Unknown at this date | K982103 | N/A |
| Product Code | GWN | GWN | Same |
| Regulation Number | 882.1460 | 882.1460 | Same |
| Regulation Name | Nystagmograph | Nystagmograph | Same |
| Indications for Use | The Ulmer Video<br>Nystagmograph System is<br>intended for use by the<br>physician as an aid for the<br>detection and diagnosis of<br>vestibular disorders. The<br>Ulmer VNG detects and<br>displays eye position and<br>movement in response to a<br>number of vestibular<br>stimulations i.e. saccadic test,<br>smooth pursuit, optokinetic<br>nystagmus, caloric tests and<br>kinetic vestibular tests. The | The Ulmer Video<br>Nystagmograph System is<br>intended for use by the<br>physician as an aid for the<br>detection and diagnosis of<br>vestibular disorders. The<br>Ulmer VNG detects and<br>displays eye position and<br>movement in response to a<br>number of vestibular<br>stimulations i.e. saccadic test,<br>smooth pursuit, optokinetic<br>nystagmus, caloric tests and<br>kinetic vestibular tests. The | Same |
| Manufacturer | Synapsys SA | Synapsys Inc | Device Comparison |
| Trade Name | Ulmer VNG | Ulmer VNG (Predicate) | |
| | Ulmer VNG records and<br>analyses the bilateral,<br>monocular, horizontal and<br>vertical aspects of eye<br>position and movement. This<br>device is intended to be used<br>in a doctor's office or health<br>care facility to obtain<br>recorded data of nystagmus<br>by directly observing eye<br>motion by video cameras. The<br>resulting recorded data is<br>evaluated by a trained<br>physician and considered<br>along with other relevant data<br>in diagnosing vestibular<br>disorders. | Ulmer VNG records and<br>analyses the bilateral,<br>monocular, horizontal and<br>vertical aspects of eye<br>position and movement. This<br>device is intended to be used<br>in a doctor's office or health<br>care facility to obtain<br>recorded data of nystagmus<br>by directly observing eye<br>motion by video cameras. The<br>resulting recorded data is<br>evaluated by a trained<br>physician and considered<br>along with other relevant data<br>in diagnosing vestibular<br>disorders. | |
| Mechanism of Action | Eye movements are elicited<br>by visual stimulators then<br>they are recorded and<br>analyzed for detecting<br>nystagmus (involuntary<br>movements of the eyeball) by<br>using a video sensor<br>computer acquisition system.<br>All camera goggles/masks use<br>infrared light. | Eye movements are elicited<br>by visual stimulators then<br>they are recorded and<br>analyzed for detecting<br>nystagmus (involuntary<br>movements of the eyeball) by<br>using a video sensor<br>computer acquisition system.<br>All camera goggles/masks use<br>infrared light. | Same |
| Technological<br>characteristics | The Ulmer VNG is composed<br>by:<br>-a software with optional<br>modules (caloric, saccade,<br>slow pursuit, kinetic,<br>optokinetic, nystagmus)<br>-a goggle camera:<br>• Type VNS (goggle<br>camera wired)<br>• Type WNS (goggle<br>camera wireless)<br>• Type VISIO (goggle<br>camera for visual<br>free field) | The Ulmer VNG is composed<br>by:<br>-a software with optional<br>module (caloric, saccade, slow<br>pursuit, kinetic, optokinetic,<br>nystagmus)<br>-a goggle camera:<br>• Type VNS (goggle<br>camera wired)<br>• Type VISIO (goggle<br>camera for visual<br>free field) | An additional google<br>camera has been<br>integrated into the<br>system. Contrary to the<br>others existing cameras,<br>this new camera is<br>wireless and uses Wifi<br>connection. The modified<br>Ulmer VNG passed the<br>electrical safety and<br>electromagnetic<br>compatibility testing<br>requirements applicable<br>and the residual risks<br>were found acceptable.<br>The benefits associated |
| Manufacturer | Synapsys SA | Synapsys Inc | Device Comparison |
| Trade Name | Ulmer VNG | Ulmer VNG (Predicate) | |
| | -an acquisition video system<br>For Kinetic test: Speed sensor<br>and Rotating Chair (optional) | -an acquisition video system<br>For Kinetic test: Speed sensor<br>and Rotating Chair (optional) | with the device excess<br>each of the residual risks. |
| Configuration | Computer system with basic<br>requirements processor and a<br>Wireless card | Computer system with basic<br>requirements processor | Due to the integration of<br>a wireless camera, a<br>wireless card is needed.<br>The wireless card<br>required in the computer<br>system configuration<br>does not introduce new<br>risk. |
| Camera<br>goggles/masks | VNS masks<br>VISIO masks<br>WNS masks | VNS masks<br>VISIO masks | Due to the integration of<br>a new wireless camera, a<br>new WNS mask has been<br>introduced. No new risk<br>was introduced with the<br>WNS mask as the<br>material used in contact<br>with the patient (foam) is<br>unchanged, the infrared<br>LEDs used are the same<br>for a same distance<br>eye/LED. This<br>modification does not<br>raise new questions of<br>safety and effectiveness. |
| Cameras | Analogic cameras (VNS3X)<br>Numeric cameras (VNS4X)<br>Analog masks (Visio USB<br>50/100 /200Hz)<br>Wireless cameras (WNS)<br>Battery for Wireless camera | Analogic cameras (VNS3X)<br>Numeric cameras (VNS4X)<br>Analog masks (Visio USB<br>50/100 /200Hz) | A wireless camera has<br>been introduced into the<br>system. A battery is<br>provided with. The<br>residual risks introduced<br>by the use of a battery<br>were found to be minor<br>and acceptable. The<br>benefits associated with<br>the use of the device<br>exceed this residual risk. |
| Environment in<br>which Ulmer VNG<br>can be used | -The device must be used in a<br>room suitable for medical<br>examinations. | -The device must be used in a<br>room suitable for medical<br>examinations. | Same |
| Manufacturer | Synapsys SA | Synapsys Inc | Device Comparison |
| Trade Name | Ulmer VNG | Ulmer VNG (Predicate) | |
| | -Temperature: 10-35°C<br>-Humidity: 30-90%<br>-Pressure: 800-1060 hPa | -Temperature: 10-35°C<br>-Humidity: 30-90%<br>-Pressure: 800-1060 hPa | |
| Transport and<br>storage conditions | Transport and storage<br>conditions: | Transport and storage<br>conditions: | Same |
| | Storage temperature: -10°C to<br>+55°C | Storage temperature: -10°C to<br>+55°C | |
| | Humidity: 10 to 95% | Humidity: 10 to 95% | |
| | Pressure: 700 to 1060hPa | Pressure: 700 to 1060hPa | |
| Shelf Life | 5 years | 5 years | Same |
| Complies with ISO<br>10993-1 | Yes | Yes | Same |
| Electrical Safety<br>Testing Passed | Yes | Yes | Same |
#### Table 5A - Comparison of Characteristics
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#### 9. Non-Clinical Performance Data
Electrical safety and electromagnetic compatibility testing and software internal verification confirm that product specifications of the modified Ulmer VNG system are met. These are equivalent to those of the predicate device. The testing results support that the device's change for integration of an additional Wifi camera does not affect the safe and effective use of the device as compared to the unmodified predicate device. Verification testing of the modified Ulmer VNG system, in accordance with design controls, demonstrated the device is safe and effective for its intended use. Verification testing was performed to the following:
- AAMI/ANSI ES 60601-1:2005(R)2012 - Medical electrical equipment - Part 1: General requirements for basic safety and essential performance
- . AAMI/ANSI IEC 60601-1-2:2014 - Medical electrical equipment - Part 1-2: General requirements for basic safety and essential performance - Collateral standard: Electromagnetic compatibility -Requirements and tests
- AAMI ANSI IEC 62304:2006 Medical device software Software life cycle processes ●
The device passed all testing and software verification and is determined to be substantially equivalent to the unmodified Ulmer VNG Synapsys' device.
#### 10. Clinical Performance Data
There was no human clinical testing required to support the medical device as the intended use is the same as the predicate device. These types of devices, including the predicate devices, have been on the
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market for many years with proven safety and efficacy for the device. The non-clinical testing detailed in this submission supports the substantial equivalence of the device.
#### 11. Statement of Substantial Equivalence
By definition, a device is substantially equivalent to a predicate device has the same intended use and the same technological characteristics as the previously cleared predicate device; or the device has the same intended use and different technological characteristics, but can be demonstrated to be substantially equivalent to the predicate device, and does not raise additional questions regarding its safety and effectiveness.
As such, the Ulmer VNG System, as modified, is determined to be substantially equivalent to the Synapsys Ulmer VNG predicate device.
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.