K183154 · Hong Qiangxing (Shenzhen) Electronics Limited · GXY · Mar 26, 2019 · Neurology
Device Facts
Record ID
K183154
Device Name
SM Electrodes
Applicant
Hong Qiangxing (Shenzhen) Electronics Limited
Product Code
GXY · Neurology
Decision Date
Mar 26, 2019
Decision
SESE
Submission Type
Traditional
Regulation
21 CFR 882.1320
Device Class
Class 2
Attributes
Therapeutic
Indications for Use
SM Electrodes are intended to transmit electrical current to patient skin for use with transcutaneous electrical stimulation devices. Some common types of the stimulation devices include, but are not limit to TENS (Transcutaneous Electrical Nerve Stimulation) and EMS (Electrical Muscular Stimulation). The electrode is for OTC (Over-The -Counter) or Prescription use.
Device Story
SM Electrodes are non-sterile, single-patient, multi-use cutaneous electrodes; interface between patient skin and TENS/EMS stimulation devices. Device consists of top cover, connector snap button, conductive carbon film, and conductive hydrogel media. Input: electrical current from stimulator via snap button; output: current delivered to patient skin via hydrogel. Used in clinical or home settings; operated by patient or clinician. Output facilitates nerve/muscle stimulation for therapeutic purposes. Device features various shapes/sizes; PET carrier line protects hydrogel when not in use.
Clinical Evidence
No clinical data included. Bench testing only: biocompatibility (ISO 10993-5, ISO 10993-10), shelf life (ASTM F1980:2016), and electrical performance (ANSI AAMI IEC 60601-2-2) verified.
Technological Characteristics
Materials: top cover, conductive carbon film, conductive hydrogel, PET carrier. Snap button connector (3mm or 4mm). Non-sterile. Standards: ASTM F1980:2016 (shelf life), ISO 10993-5/10 (biocompatibility), ANSI AAMI IEC 60601-2-2 (electrical safety/performance).
Indications for Use
Indicated for use with transcutaneous electrical stimulation devices (e.g., TENS, EMS) to transmit electrical current to the skin of adult patients. For OTC or prescription use.
Regulatory Classification
Identification
A cutaneous electrode is an electrode that is applied directly to a patient's skin either to record physiological signals (e.g., the electroencephalogram) or to apply electrical stimulation.
{0}------------------------------------------------
Image /page/0/Picture/0 description: The image shows the logo of the U.S. Food and Drug Administration (FDA). The logo consists of two parts: the Department of Health and Human Services logo on the left, and the FDA acronym along with the full name of the agency on the right. The FDA part of the logo is in blue, with the acronym in a square and the full name written out to the right of the square. The full name of the agency is "U.S. Food & Drug Administration".
March 26, 2019
Hong Qiangxing (Shen Zhen) Electronics Limited % Doris Dong Manager Shanghai CV Technology Co., Ltd. Room 903, No. 19 Dongbao Road, Songjiang Area Shanghai, 201613 China
Re: K183154
Trade/Device Name: SM Electrodes Regulation Number: 21 CFR 882.1320 Regulation Name: Cutaneous Electrode Regulatory Class: Class II Product Code: GXY Dated: March 8, 2019 Received: March 21, 2019
Dear Doris Dong:
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.
{1}------------------------------------------------
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 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/CombinationProducts/GuidanceRegulatoryInformation/ucm597488.html; 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 http://www.fda.gov/MedicalDevices/Safety/ReportaProblem/default.htm.
For comprehensive regulatory information about mediation-emitting products, including information about labeling regulations, please see Device Advice (https://www.fda.gov/MedicalDevices/DeviceRegulationandGuidance/) and CDRH Learn (http://www.fda.gov/Training/CDRHLearn). 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 (http://www.fda.gov/DICE) for more information or contact DICE by email (DICE@fda.hhs.gov) or phone (1-800-638-2041 or 301-796-7100).
Sincerely,
Vivek J. Pinto -S
for Carlos L. Peña, PhD, MS Director Division of Neurological and Physical Medicine Devices Office of Device Evaluation Center for Devices and Radiological Health
Enclosure
{2}------------------------------------------------
# Indications for Use
510(k) Number (if known) K183154
Device Name SM Electrodes
Indications for Use (Describe)
SM Electrodes are intended to transmit electrical current to patient skin for use with transcutaneous electrical stimulation devices. Some common types of the stimulation devices include, but are not limit to TENS (Transcutaneous Electrical Nerve Stimulation) and EMS (Electrical Muscular Stimulation). The electrode is for OTC (Over-The -Counter) or Prescription use.
| Type of Use (Select one or both, as applicable) | |
|----------------------------------------------------------------------------------|--------------------------------------------------------------------------------|
| <div> <span> Prescription Use (Part 21 CFR 801 Subpart D) </span> </div> | <div> <span> Over-The-Counter Use (21 CFR 801 Subpart C) </span> </div> |
বী।
[Over-The-Counter Use (21 CFR 801 Subpart C)
#### CONTINUE ON A SEPARATE PAGE IF NEEDED.
This section applies only to requirements of the Paperwork Reduction Act of 1995.
#### *DO NOT SEND YOUR COMPLETED FORM TO THE PRA STAFF EMAIL ADDRESS BELOW.*
The burden time for this collection of information is estimated to average 79 hours per response, including the time to review instructions, search existing data sources, gather and maintain the data needed and complete and review the collection of information. Send comments regarding this burden estimate or any other aspect of this information collection, including suggestions for reducing this burden, to:
> Department of Health and Human Services Food and Drug Administration Office of Chief Information Officer Paperwork Reduction Act (PRA) Staff PRAStaff@fda.hhs.gov
"An agency may not conduct or sponsor, and a person is not required to respond to, a collection of information unless it displays a currently valid OMB number."
{3}------------------------------------------------
# 510(k) Summary
[As required by 21 CFR 807.92]
# 1. Submission Information:
| 510(k) Number: | K183154 |
|------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| Date: | March 26, 2019 |
| Type of 510(k) Submission: | Traditional |
| Basis for 510(k) Submission: | New device |
| Submitter/Manufacturer: | Hong Qiangxing(Shen Zhen) Electronics Limited<br>4F, Jingcheng Building, Xicheng Industrial Zone, Xixiang Road, Bao'an<br>District, Shenzhen City, Guangdong, China 518126 |
| Contactor: | Doris Dong (Consultant)<br>Shanghai CV Technology Co., Ltd.<br>Rm. 903, No. 19 Dongbao Rd., Songjiang Area, Shanghai, 201613 China<br>E-mail: doris_d@126.com<br>Tel: 86 21-31261348 |
# 2. Device Description:
| Proprietary Name: | SM Electrodes |
|----------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| Common Name: | Cutaneous electrode |
| Classification Name: | Cutaneous electrode |
| Product Code: | GXY |
| Device Class: | II |
| Regulation Number: | 21 CFR 882.1320 |
| Review Panel: | Neurology |
| Indications for use: | SM Electrodes are intended to transmit electrical current to patient skin for<br>use with transcutaneous electrical stimulation devices. Some common<br>types of the stimulation devices include, but are not limit to TENS<br>(Transcutaneous Electrical Nerve Stimulation) and EMS (Electrical<br>Muscular Stimulation). The electrode is for OTC (Over-The -Counter) or<br>Prescription use. |
| Device Description: | SM Electrode pad is used as an accessory to the TENS or EMS device<br>unit, which transmits electrical current to patient skin. The electrical<br>current of electrode pad is first transmitted via the snap button then<br>transmitted to the conductive gel which is adhered to patient skin.<br><br>SM Electrode Pad is composed of a top cover material, connector snap<br>button, conductive carbon film, conductive hydrogel media, and a carrier<br>line.<br><br>It is non-sterile and intended for single adult patient multiple application<br>use. The SM Electrode has various shapes and sizes.<br><br>To connect with a nerve or muscle stimulator, this SM Electrode Pad has<br>male snap button. The electrical pad connecting two separated gels<br>together through a non-woven fabric has a pair of male snap button and the<br>diameter is 3mm. The electrical pad with only one male snap button are to |
{4}------------------------------------------------
be used in pairs and the diameter of snap button is 4mm.
When not in use, the hydrogel face is covered by a PET(polyethylene terephthalate) carrier line.
## 3. Predicate Device Identification
K152648--Ennova Self-adhesive Electrode--January 12, 2016 K182111--DL Adhesive Electrode--January 17, 2019
## 4. Non-Clinical Test Conclusion
Bench tests were conducted on SM Electrodes to verify that the proposed device met all design specifications as was Substantially Equivalent (SE) to the predicate device. The test results demonstrated that the proposed device complies with the following standards:
- Shelf life testing per ASTM F1980:2016.
- ANSI AAMI ISO 10993-5:2009/(R) 2014, Biological evaluation of medical devices -- Part 5: Tests for In Vitro Cytotoxicity. (Biocompatibility)
- ISO 10993-10 Third Edition 2010-08-01, Biological evaluation of medical devices - Part 10: Tests for Irritation and Skin Sensitization. (Biocompatibility)
- ANSI AAMI IEC 60601-2-2:2009, Medical electrical equipment - Part 2-2: Particular requirements for the basic safety and essential performance of high frequency surgical equipment and high frequency surgical accessories
Contact Impedance test per 201.15.101.6
Adhesion test per 201.15.101.7
## 5. Substantial Equivalent Based on Assessment of Clinical Performance Data:
Clinical data was not including in this submission.
| 6. Substantially Equivalent Comparison Conclusion | | | |
|---------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------|
| | New Device | Predicate Device 1 | Predicate Device 2 |
| 501(k) number | K183154 | K152648 | K182111 |
| Trade Name: | SM Electrodes | Ennova Self-adhesive Electrode | DL Adhesive Electrode |
| Common<br>Name: | Cutaneous electrode | Cutaneous electrode | Cutaneous electrode |
| Classification<br>Name: | Cutaneous electrode | Cutaneous electrode | Cutaneous electrode |
| Product Code: | GXY | GXY | GXY |
| Regulation<br>Number: | 882.1320 | 882.1320 | 882.1320 |
| Medical<br>Specialty: | Neurology | Neurology | Neurology |
| Device Class: | II | II | II |
| Indications for<br>use: | SM Electrodes are intended to<br>transmit electrical current to<br>patient skin for use with<br>transcutaneous electrical | Ennova Self-adhesive Electrode<br>is intended to transmit electrical<br>current to patient skin for use<br>with transcutaneous electrical | DL Adhesive Electrode is<br>intended to transmit electrical<br>current to patient skin for use<br>with transcutaneous electrical |
## 6. Substantially Equivalent Comparison Conclusion
{5}------------------------------------------------
#### SM Electrodes; Hong Qiangxing(Shen Zhen) Electronics Limited
| Hong Qiangxing(Shen Zhen) Electronics Limited | | | | | | |
|-----------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------|--------------------------------|
| | | stimulation devices. Some<br>common types of the stimulation<br>devices include, but are not limit<br>to TENS (Transcutaneous<br>Electrical Nerve Stimulation) and<br>EMS (Electrical Muscular<br>Stimulation). The electrode is for<br>OTC (Over-The -Counter) or<br>Prescription use. | stimulation devices. Some<br>common types of the stimulation<br>devices include, but are not limit<br>to TENS (Transcutaneous<br>Electrical Nerve Stimulation) and<br>EMS (Electrical Muscular<br>Stimulation). The electrode is for<br>OTC (Over-The -Counter) or<br>Prescription use. | stimulation devices. Some<br>common types of the stimulation<br>devices include, but are not<br>limited to TENS<br>(Transcutaneous Electrical Nerve<br>Stimulation) and EMS<br>(Electrical Muscular<br>Stimulation). The electrode is for<br>OTC (Over-The -Counter) or<br>Prescription use. | | |
| Target<br>population: | Single patient use and multiple<br>application | | Single patient use and multiple<br>application | | Single patient use and multiple<br>application | |
| Prescription<br>use | OTC and Prescription use | | OTC and Prescription use | | OTC and Prescription use | |
| Design (shape<br>& connection): | Round, rectangle, butterfly, oval,<br>according to customized<br>specification.<br>Snap button with male snap<br>connector | | Round, rectangle, oval, butterfly<br>according to customized<br>specification.<br>Lead wire with female socket, or<br>snap button with male snap<br>connector | | Round, rectangle, butterfly, oval,<br>according to customized<br>specification.<br>Lead wire with female socket, or<br>snap button with male snap<br>connector | |
| Materials: | - Top cover material<br>- Electrically conductive carbon<br>cloth<br>- Biocompatible conductive<br>hydrogel<br>- Electrode carrier liner | | - Top cover material<br>- Electrically conductive carbon<br>cloth<br>- Biocompatible conductive<br>hydrogel<br>- Electrode carrier liner | | - Top cover material<br>- Electrically conductive carbon<br>cloth<br>- Biocompatible conductive<br>hydrogel<br>- Electrode carrier liner | |
| Electrode Pad<br>Size | Round | Min.Ø20mm;<br>Max.Ø70mm | Round | Min.Ø32mm;<br>Max.Ø70mm | Round | Min.Ø18mm;<br>Max.Ø85mm |
| | Rectangle | Min.50×50mm;<br>Max.170×100mm | Rectangle | Min.40×40mm;<br>Max.100×130mm | Rectangle | Min.40×40mm;<br>Max.40×350mm |
| | Oval | Min.43×30mm;<br>Max.120×76mm | Oval | Min.50×120mm;<br>Max.100×240mm | Oval | 50×78mm |
| | Butterfly | 165×79mm | Butterfly | Min.55×75mm;<br>Max.95×165mm | Butterfly | Min.93×150mm;<br>Max.110×150mm |
| Connector retention force | | | | | | |
| --Lead wire<br>with female<br>socket | NA | | 10.80N | | 10.85N | |
| --snap button<br>with male snap<br>connector | 9.62N | | 9.60N | | 9.61N | |
| Hydrogel<br>thickness | 1.0mm ± 0.2mm | | 1.0mm ± 0.2mm | | 1.0mm ± 0.2mm | |
| Standards met: | 1. Impedance test, | | 1. Lead wires test per 8.5.2.3 of | | 1.Lead wires test per8.5.2.3 of | |
| | Conformability test and Fluid | | | | | |
{6}------------------------------------------------
#### SM Electrodes; Hong Qiangxing(Shen Zhen) Electronics Limited
| | tolerance test per 201.15.101.6<br>and 201.15.101.7 of ANSI AAMI<br>IEC 60601-2-2:2009;<br>2. Impedance Test (Dispersion<br>Test) per FDA requirement;<br>3. Peel strength test according to<br>manufacturer's requirement;<br>4. Shelf life test per ASTM<br>F1980:2016; | 2. Impedance test,<br>Conformability test and Fluid<br>tolerance test per 201.15.101.6<br>and 201.15.101.7 of IEC<br>60601-2-2:2009<br>3. Impedance Test (Dispersion<br>Test) per FDA requirement;<br>4. Peel strength test according to<br>manufacturer's requirement;<br>5. Shelf life test per ASTM<br>F1980:2011; | 2.Impedance test, Conformability<br>test and Fluid tolerance test per<br>201.15.101.6 and 201.15.101.7<br>of ANSI AAMI IEC<br>60601-2-2:2017<br>3. Impedance Test (Dispersion<br>Test) per FDA requirement;<br>4. Peel strength test according to<br>manufacturer's requirement;<br>5.Shelf life test per ASTM<br>F1980:2016; |
|----------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| Biocompatibili<br>ty | ISO10993-5:2009;<br>ISO10993-10:2010 | ISO10993-5:2009;<br>ISO10993-10:2010 | ISO10993-5:2009;<br>ISO10993-10:2010 |
| Sterility<br>Status: | Non-sterile | Non-sterile | Non-sterile |
| Electrical<br>safety | NA | Lead wire meets Clause 8.5.2.3<br>of AAMI/ANSI ES60601-1 | Lead wire meets Clause 8.5.2.3<br>of AAMI/ANSI ES60601-1 |
| Other<br>Performance | Good electrical conductivity,<br>good adhesive property | Good electrical conductivity,<br>good adhesive property | Good electrical conductivity,<br>good adhesive property |
# The Conclusions:
Based on the successful biocompatibility testing, electrode current distribution test results, SM Electrodes are safe and effective when used as an interface between a user's skin and an approved nerve and muscle stimulation device. The conclusions drawn from the non-clinical tests demonstrate that the device is as safe, as effective, and performs as well as the legally marketed devices identified in the submission. Thus the subject device is substantially equivalent to the predicate devices.
Predicate graph will load when search results are available.
Embedding visualization will load when search results are available.
PDF viewer will load when search results are available.
Loading panels...
Select an item from Submissions
Click any panel, subpart, regulation, product code, or device to see details here.
Section Matches
Results will appear here.
Product Code Matches
Results will appear here.
Special Control Matches
Results will appear here.
Loading collections...
Loading
My Alerts
You will receive email notifications based on the filters and frequency you set for each alert.
Sort by:
Create Alert
Search Filters
Agent Token
Create a read-only bearer token for Claude, ChatGPT, or other agents that can call HTTP APIs.
Copy this now. It will not be shown again.
Connected apps
Apps you authorized through browser sign-in. Disconnecting revokes their access immediately.
Learn the FDA Browser
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.