Mojo 2 Full Face Non-Vented Mask, Mojo 2 AAV Non-Vented Full-Face Mask, Veraseal 3 Full Face Non-Vented Mask, Veraseal 3 Full Face AAV Non-Vented
Applicant
Sleepnet Corporation
Product Code
CBK · Anesthesiology
Decision Date
Jul 26, 2019
Decision
SESE
Submission Type
Traditional
Regulation
21 CFR 868.5895
Device Class
Class 2
Attributes
Therapeutic
Indications for Use
The Sleepnet Mojo 2 and Veraseal 3 Non-Vented and AAV Non-Vented Full Face Masks are intended to provide a patient interface for application of noninvasive ventilation. The mask is to be used as an accessory to ventilators that have adequate alarms and safety systems for ventilator failure, and which are intended to administer positive pressure ventilation. The mask will be offered in a disposable version and a multiuse version. It is intended for use on adult patients (>30 kg), who are appropriate candidates for noninvasive ventilation.
Device Story
Full face masks (Mojo 2, Veraseal 3) serve as patient interfaces for noninvasive ventilation; used in home or hospital/institutional settings. Devices connect to ventilators to deliver positive pressure ventilation. Features include elbow and optional anti-asphyxia valve (AAV). Veraseal 3 offered as disposable (single-use) or single-patient multi-use (up to 7 days); Mojo 2 offered as single-patient multi-use. Masks available in multiple sizes. Healthcare providers select appropriate mask size and type based on patient needs. AAV allows ambient air intake if ventilator fails. Benefits include effective delivery of noninvasive ventilation therapy to adult patients.
Clinical Evidence
Bench testing only. Performance testing included internal volume/dead space, pressure drop, AAV opening/closing pressure, biocompatibility (ISO 10993), cleaning validation, mechanical drop test, and ISO 17510 compliance. No clinical data provided.
Technological Characteristics
Full face masks with elbow and optional AAV. Materials are identical to predicate (permanent duration, surface contact/externally communicating). Available in multiple sizes. Non-vented design. Bench testing performed per ISO 17510. Biocompatibility per ISO 10993-1.
Indications for Use
Indicated for adult patients (>30 kg) requiring noninvasive positive pressure ventilation. Used as an accessory to ventilators equipped with adequate alarms and safety systems for ventilator failure.
Regulatory Classification
Identification
A continuous ventilator (respirator) is a device intended to mechanically control or assist patient breathing by delivering a predetermined percentage of oxygen in the breathing gas. Adult, pediatric, and neonatal ventilators are included in this generic type of device.
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July 26, 2019
Sleepnet Corporation % Paul Dryden, President, ProMedic, LLC Sleepnet Corporation 131 Bay Point Dr NE St. Petersburg, Florida 33704
Re: K190533/S001
Trade/Device Name: Mojo 2 Full Face Non-Vented Mask, Mojo 2 AAV Non-Vented Full-Face Mask, Veraseal 3 Full Face Non-Vented Mask, Veraseal 3 Full Face AAV Non-Vented Regulation Number: 21 CFR 868.5895 Regulation Name: Continuous Ventilator Regulatory Class: Class II Product Code: CBK Dated: July 1, 2019 Received: July 2, 2019
Dear Paul Dryden:
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/cfpmn/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
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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 https://www.fda.gov/combination-products/guidance-regulatory-information/postmarketing-safety-reportingcombination-products); good manufacturing practice requirements as set forth in the quality systems (OS) 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 mediation-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,
James Lee, Ph.D. Assistant Director DHT1C: Division of ENT, Sleep Disordered Breathing, Respiratory and Anesthesia Devices OHT1: Office of Ophthalmic, Anesthesia, Respiratory, ENT and Dental Devices Office of Product Evaluation and Ouality Center for Devices and Radiological Health
Enclosure
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#### DEPARTMENT OF HEALTH AND HUMAN SERVICES Food and Drug Administration
# Indications for Use
510(k) Number (if known)
K190533
#### Device Name
Veraseal 3 Full Face Non-Vented Mask Veraseal 3 Full Face AAV Non-Vented Mojo 2 Full Face Non-Vented Mask Mojo 2 AAV Non-Vented Full-Face Mask
#### Indications for Use (Describe)
The Sleepnet Moio 2 and Veraseal 3 Non-Vented and AAV Non-Vented Full Face Masks are intended to provide a patient interface for application of noninvasive ventilation. The mask is to be used as an accessory to ventilators that have adequate alarms and safety systems for ventilator failure, and which are intended to administer positive pressure ventilation. The mask will be offered in a disposable version and a multiuse version. It is intended for use on adult patients (>30 kg), who are appropriate candidates for noninvasive ventilation.
Veraseal 3 - Disposable single use (hospital/institutional) Single patient, multi-use up to 7 days (hospital/institutional)
Mojo 2 - Single patient, multi-use (home or hospital/institutional)
| Type of Use (Select one or both, as applicable) | |
|-------------------------------------------------|--|
|-------------------------------------------------|--|
XX Prescription Use (Part 21 CFR 801 Subpart D)
__ Over-The-Counter Use (21 CFR 801 Subpart C)
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FORM FDA 3881 (7/17)
Page 1 of 1
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510(k) Summary
| Date: | July 25, 2019 |
|-------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------|
| Sleepnet Corporation<br>5 Merrill Industrial Drive<br>Hampton, NH 03842 | Tel - 603-758-6625<br>Fax - 603-758-6699 |
| Official Contact: | Jennifer Kennedy - Director of Regulatory and Quality |
| Proprietary or Trade Name: | Veraseal 3 Full Face Non-Vented Mask<br>Veraseal 3 Full Face AAV Non-Vented Mask<br>Mojo 2 Full Face Non-Vented Mask<br>Mojo 2 Full-Face AAV Non-Vented Mask |
| Common/Usual Name: | Patient interface |
| Classification Code/Name: | CBK - Noncontinuous ventilator)<br>CFR 868.5895 |
| Device: | Veraseal 3 Full Face Non-Vented Mask<br>Veraseal 3 Full Face AAV Non-Vented Mask<br>Mojo 2 Full Face Non-Vented Mask<br>Mojo 2 Full-Face AAV Non-Vented Mask |
| Predicate Device: | K063806 - Sleepnet Mojo Full Face mask |
| Reference Devices: | K101129 – Respironics - AF531 SE Full Face Mask<br>K121692 - MiniMe 2 nasal |
### Device Description:
The Sleepnet Mojo 2 and Veraseal 3 are full face mask used with non0invasive ventilation. They are available in multiple sizes and in a Non-Vented style with an elbow and Non-Vented with elbow and anti-asphyxia (AAV) valve.
The subject of this submission is:
- . Slight redesign of the shape of the masks but no appreciable differences as the elbow is identical to the predicate
- Add an anti-asphyxia valve (AAV) option .
- Add an additional size, ex-large, mask to the product line ●
Veraseal 3 is intended as a Disposable single use (hospital/institutional) and as a Single patient, multi-use up to 7 days (hospital/institutional)
Mojo 2 is intended as a Single patient, multi-use (home or hospital/institutional)
### Indications for Use:
The Sleepnet Mojo 2 and Veraseal 3 Non-Vented and AAV Non-Vented Full Face Masks are intended to provide a patient interface for application of noninvasive ventilation. The mask is to be used as an accessory to ventilators that have adequate alarms and safety systems for ventilator failure, and which are intended to administer positive pressure ventilation. The mask will be
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### 510(k) Summary
offered in a disposable version and a multi-use version. It is intended for use on adult patients (>30 kg), who are appropriate candidates for noninvasive ventilation.
- Veraseal 3 Disposable single use (hospital/institutional) Single patient, multi-use up to 7 days (hospital/institutional)
Mojo 2 - Single patient, multi-use (home or hospital/institutional)
Patient Population: For adults (>30 kg)
Environment of Use: Home or hospital / institutional environments
### Substantial Equivalence Discussion:
We discuss the major attributes for demonstrating substantial equivalence below.
The Sleepnet Veraseal 3 and Mojo 2 Non-Vented Full face mask are viewed as substantially equivalent to the predicate device because:
### Indications -
- The Veraseal 3 and Mojo 2 masks are intended to be used as a patient interface for ● application of noninvasive ventilation. The masks are to be used on adult patients (>30 kg) on noninvasive ventilation.
- Identical to Sleepnet masks K063806 ●
### Patient Population -
- The masks are to be used on adult patients (>30 kg) for whom positive airway pressure ● therapy has been prescribed.
- . Identical to Sleepnet - K063806
### Environment of Use -
- The masks are intended for use in the home or hospital/institutional environment. ●
- Identical to predicate - Sleepnet - K063806
### Technology -
- Identical technology to - Sleepnet mask - K063806
- The incorporation of an AAV is similar to the reference Respironics K101129 .
### Non-clinical testing
### Biocompatibility -
- The materials in patient contact are identical to predicate device evaluated as permanent ● duration.
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### 510(k) Summary
### Bench testing -
We have performed the following comparative performance test:
- Internal Volume / Dead space ●
- . Pressure drop
- Anti-asphyxia valve pressure testing ●
- . ISO 10993 for biocompatibility via Material Certification
- Cleaning validation
- . Mechanical drop test
- . Meets ISO 17510 testing
### Differences –
There are no differences between the predicate and the proposed devices which would raise new safety concerns. The subject devices were found to be substantially equivalent to the identified predicate device.
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# K190533
### 510(k) Summary
# Table of Comparison to Predicate
| Attributes | Subject - Non-Vented and AAV Non- | Predicate - K063806 | Explanation of |
|---------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------|
| | Vented Full Face Mask | Non-Vented Full Face Mask | Differences |
| | Mojo 2, Veraseal 3 | Mojo | |
| Indications for Use | The Sleepnet Mojo 2 and Veraseal 3 Non-Vented<br>and AAV Non-Vented Full Face Masks are<br>intended to provide a patient interface for<br>application of noninvasive ventilation. The mask<br>is to be used as an accessory to ventilators that<br>have adequate alarms and safety systems for<br>ventilator failure, and which are intended to<br>administer positive pressure ventilation. The mask<br>will be offered in a disposable version and a<br>multiuse version. It is intended for use on adult<br>patients (>30 kg), who are appropriate candidates<br>for noninvasive ventilation.<br>Veraseal 3 -<br>Disposable single use (hospital/institutional)<br>Single patient, multi-use up to 7 days<br>(hospital/institutional)<br>Mojo 2 -<br>Single patient, multi-use (home or<br>hospital/institutional) | The Sleepnet Mojo-NV Full Face Mask is<br>intended to provide a patient interface for<br>application of noninvasive ventilation. The<br>mask is to be used as an accessory to<br>ventilators that have adequate alarms and<br>safety systems for ventilator failure, and which<br>are intended to administer positive pressure<br>ventilation. The mask will be offered in a<br>disposable version and a multiuse version. It is<br>intended for use on adult patients (>30 kg),<br>who are appropriate candidates for<br>noninvasive ventilation.<br>(Applies to the standard version):<br>For homecare applications, the Sleepnet Mojo-<br>NV Full Face Mask, Non-vented may be<br>reused multiple times by a single patient. For<br>institutional applications (i.e. hospital or other<br>clinical settings), this interface may be reused<br>multiple times by multiple patients.<br>(Applies to the disposable version):<br>The Sleepnet Mojo-NV Full Face Mask, Non-<br>vented Disposable is a single patient, single<br>use interface. | Similar |
| Patient Population | Adult (>30 kg) | Adult (>30 kg) | Identical |
| Prescriptive | Yes | Yes | Identical |
| Environment of Use | The masks are intended for use in the home or<br>hospital/institutional environment. | The masks are intended for use in the home or<br>hospital/institutional environment. | Identical for each model. |
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# K190533
510(k) Summary
| Attributes | Subject - Non-Vented and AAV Non-<br>Vented Full Face Mask<br>Mojo 2, Veraseal 3 | Predicate – K063806<br>Full Face Mask<br>Mojo | Explanation of<br>Differences |
|--------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------|
| Duration of Use | Veraseal 3<br>Disposable, single patient use<br>Single patient, multi-use up to 7 days<br><br>Mojo 2<br>Single patient, multi-use | Mojo<br>Single patient, multi-use<br>Multi-patient, multi-use | Added Veraseal 3 model<br>which has similar durations<br>of use to the predicate |
| Useful life | Veraseal 3 –<br>Single use disposable<br>Up to 7 days<br>Mojo 2 –<br>Expected useful life - 6 months | Mojo –<br>Expected useful life - 6 months | Performance testing done to<br>support this length of use.<br>The products are all still<br>single patient, multi-use |
| Cleaning methods | Soap and water<br>Isopropyl alcohol | Soap and water | Similar |
| Features | | | |
| Available sizes | 4 | 3 | Adding new size |
| Shape | Similar | Similar | Similar |
| Incorporates an elbow and<br>Anti-asphyxia valve (AAV) | Elbow – Yes<br>AAV - Yes | Elbow – Yes<br>AAV - No<br>Reference K101129 | Predicate has elbow but we<br>have added the AAV which<br>is similar to the reference<br>Respironics - K101129 |
| Shell | Veraseal 3 - Rigid<br>Mojo 2 - Soft | Mojo - Soft | Added the rigid shell for the<br>Veraseal model |
| Materials / Patient Contact per<br>ISO 10993-1 | Surface contact, intact skin<br>Externally Communicating, Tissue<br>Permanent Duration of Use | Surface contact, intact skin<br>Externally Communicating, Tissue<br>Permanent Duration of Use | Identical safety profile |
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# K190533
510(k) Summary
| Attributes | Subject - Non-Vented and AAV Non-<br>Vented Full Face Mask<br>Mojo 2, Veraseal 3 | Predicate - K063806<br>Full Face Mask<br>Mojo | Explanation of<br>Differences | |
|--------------------------------------|----------------------------------------------------------------------------------|------------------------------------------------|--------------------------------------------------------|--------------------------------------------------------------|
| Dead space (nominal ml) | Veraseal 3 w/o AAV<br>180 ml<br>193 ml<br>203 ml<br>215 ml | w/AAV<br>180 ml<br>194 ml<br>203 ml<br>213 ml | Reference K101129<br>308 ml<br>423 ml<br>469 ml<br>N/A | Less than reference and<br>similar to the predicate<br>Mojo |
| | Mojo 2 w/o AAV<br>177 ml<br>194 ml<br>209 ml<br>216 ml | w/ AAV<br>176 ml<br>193 ml<br>206 ml<br>220 ml | Mojo w/o AAV<br>180 ml<br>220 ml<br>255 ml<br>N/A | w/ AAV<br>N/A<br>N/A<br>N/A<br>N/A |
| Pressure AAV<br>Opening / closing | Mojo 2<br>Opening - 1.15 cm H2O<br>Closing - 1.55 cm H2O | Reference – K101129 – Respironics<br><3 cmH2O | | Similar<br>Pass / Fail criteria is < 3 cm<br>H2O |
| | Veraseal 3<br>Opening - 1.2 cm H2O<br>Closing - 1.5 cm H2O | | | Reference - K101129 –<br>Respironics mask includes<br>an AAV |
| Resistance to Flow (cmH2O) | Mojo 2 w/o AAV<br>50 lpm – 0.1<br>100 lpm – 0.24 | w/AAV<br>0.22<br>0.45 | Reference K101129<br>50 lpm - 0.6<br>100 lpm - 1.2 | |
| | Veraseal 3 w/o AAV<br>50 lpm – 0.1<br>100 lpm – 0.32 | W/AAV<br>0.3<br>0.5 | | |
| Resistance of AAV opening<br>(cmH2O) | Insp – 1.2<br>Exp – 1.3 | | Reference K101129<br>Insp – 0.9<br>Exp – 0.7 | ISO 17510 criteria < 10<br>cmH2O |
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.