This diagnostic ultrasound system (Hi-Light) and its transducers are intended for use in clinical examinations to evaluate differences in the echogenicity of soft tissue of small parts in adult patients (thyroid, breast, and testicles) and for superficial muscular skeletal diagnosis. The system is for prescription use only by a trained sonographer under the direction of a qualified physician or directly by a qualified physician.
Device Story
Portable diagnostic ultrasound system; utilizes handheld linear transducers to transmit ultrasonic energy into patient tissue; receives and processes echoes to generate B-mode images of anatomic structures; operated by trained sonographers or physicians in clinical settings; images displayed on 15-inch high-resolution screen; supports DICOM-compliant archival to PACS; assists clinicians in evaluating soft tissue echogenicity; aids in clinical diagnosis of small parts and musculoskeletal conditions.
Clinical Evidence
Bench testing only. No clinical data required. Device performance validated through electrical safety (IEC 60601-1), EMC (IEC 60601-1-2), ultrasound safety (IEC 60601-2-37), acoustic output testing per FDA guidance, and biocompatibility testing (ISO 10993).
Technological Characteristics
Portable ultrasound system; 15-inch LCD display; linear transducer (LA06, 5-12 MHz, 128 elements); B-mode operation; DICOM interface for connectivity; patient-contact materials compliant with ISO 10993; safety standards: IEC 60601-1, IEC 60601-1-2, IEC 60601-2-37.
Indications for Use
Indicated for adult patients requiring diagnostic ultrasound imaging of small parts (thyroid, breast, testicles) and superficial musculoskeletal structures.
Regulatory Classification
Identification
An ultrasonic pulsed echo imaging system is a device intended to project a pulsed sound beam into body tissue to determine the depth or location of the tissue interfaces and to measure the duration of an acoustic pulse from the transmitter to the tissue interface and back to the receiver. This generic type of device may include signal analysis and display equipment, patient and equipment supports, component parts, and accessories.
Special Controls
*Classification.* Class II (special controls). A biopsy needle guide kit intended for use with an ultrasonic pulsed echo imaging system only is exempt from the premarket notification procedures in subpart E of part 807 of this chapter subject to the limitations in § 892.9.
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Food and Drug Administration 10903 New Hampshire Avenue Document Control Center - WO66-G609 Silver Spring, MD 20993-0002
July 17, 2015
Qingdao Hisense Medical Equipment Co., Ltd. % Mr. Mark Job Responible Third Party Official 1394 25th Street, NW BUFFALO MN 55313
Re: K151709
Trade/Device Name: Hi-Light Diagnostic Ultrasound System Regulation Number: 21 CFR 892.1560 Regulation Name: Ultrasonic pulsed echo imaging system Regulatory Class: II Product Code: IYO, ITX Dated: June 23, 2015 Received: June 24, 2015
Dear Mr. Job:
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.
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 device-related 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.
{1}------------------------------------------------
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/Resourcesfor You/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.
Michael D'Hara For
Robert Ochs, Ph.D. Acting Director Division of Radiological Health Office of In Vitro Diagnostics and Radiological Health Center for Devices and Radiological Health
Enclosure
{2}------------------------------------------------
# Indications for Use
510(k) Number (if known)
K151709
Device Name Hi-Light Diagnostic Ultrasound System
Indications for Use (Describe)
This diagnostic ultrasound system (Hi-Light) and its transducers are intended for use in clinical examinations to evaluate differences in the echogenicity of soft tissue of small parts in adult patients (thyroid, breast, and testicles) and for superficial muscular skeletal diagnosis.
The system is for prescription use only by a trained sonographer under the direction of a qualified physician or directly by a qualified physician.
| Type of Use (Select one or both, as applicable) | |
|-------------------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------|
| <div> <span> <span style="text-decoration: overline;">X</span> Prescription Use (Part 21 CFR 801 Subpart D) </span> </div> | <div> <span> Over-The-Counter Use (21 CFR 801 Subpart C)</span> </div> |
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| Fetal Imaging<br>& Other | Fetal | | | | |
|--------------------------|--------------------------------------------------|---|--|--|--|
| | Abdominal | | | | |
| | Intra-operative (specify) | | | | |
| | Intra-operative (neuro) | | | | |
| | Laparoscopic | | | | |
| | Pediatric | | | | |
| | Small Organ (specify) Breast,<br>Thyroid, Testes | N | | | |
| | Neonatal Cephalic | | | | |
| | Adult Cephalic | | | | |
| | Trans-rectal | | | | |
| | Trans-vaginal | | | | |
| | Trans-urethral | | | | |
| | Trans-esoph. (non-cardiac) | | | | |
| | Musculo-skeletal (conventional) | | | | |
| | Musculo-skeletal (superficial) | N | | | |
| | Intravascular | | | | |
| | Other (specify) | | | | |
| Cardiac | Cardiac Adult | | | | |
| | Cardiac Pediatric | | | | |
| | Intravascular (Cardiac) | | | | |
| | Trans-esoph. (Cardiac) | | | | |
| | Intra-cardiac | | | | |
| | Other (specify) | | | | |
| Peripheral<br>Vessel | Peripheral vessel | | | | |
| | Other (specify) | | | | |
System: Hi-Light Diagnostic Ultrasound System N = new indication; P= previously cleared by FDA
Page | 2of 3
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| Clinical Application | Specific (Tracks 1 & 3) | Mode of Operation | | | | | | |
|---------------------------|--------------------------------------------------|-------------------|---|-----|-----|------------------|-----------------------|--------------------|
| General<br>(Track 1 only) | | B | M | PWD | CWD | Color<br>Doppler | Combined<br>(specify) | Other<br>(specify) |
| Ophthalmic | Ophthalmic | | | | | | | |
| Fetal Imaging<br>& Other | Fetal | | | | | | | |
| | Abdominal | | | | | | | |
| | Intra-operative (specify) | | | | | | | |
| | Intra-operative (neuro) | | | | | | | |
| | Laparoscopic | | | | | | | |
| | Pediatric | | | | | | | |
| | Small Organ (specify) Breast,<br>Thyroid, Testes | N | | | | | | |
| | Neonatal Cephalic | | | | | | | |
| | Adult Cephalic | | | | | | | |
| | Trans-rectal | | | | | | | |
| | Trans-vaginal | | | | | | | |
| | Trans-urethral | | | | | | | |
| | Trans-esoph. (non-cardiac) | | | | | | | |
| | Musculo-skeletal (conventional) | | | | | | | |
| | Musculo-skeletal (superficial) | N | | | | | | |
| | Intravascular | | | | | | | |
| | Other (specify) | | | | | | | |
| Cardiac | Cardiac Adult | | | | | | | |
| | Cardiac Pediatric | | | | | | | |
| | Intravascular (Cardiac) | | | | | | | |
| | Trans-esoph. (Cardiac) | | | | | | | |
| | Intra-cardiac | | | | | | | |
| | Other (specify) | | | | | | | |
| Peripheral<br>Vessel | Peripheral vessel | | | | | | | |
| | Other (specify) | | | | | | | |
Transducer: LA06 transducer for use with Hi-Light
N = new indication; P= previously cleared by FDA
Page | 3of 3
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# 510(k) Summary of Safety and Effectiveness
This summary of 510(k) safety and effectiveness information is being submitted in accordance with the requirements of 21 CFR 807.92. The assigned 510(k) number is: ______
#### Submitter:
Qingdao Hisense Medical Equipment Co., Ltd. No. 169 Songling Road, Laoshan District Qingdao City, Shandong Province,China Tel: 86- 532-55753841 Fax: 86(0)532-55753841
#### Official Correspondent:
Wangwei Project Manager of Qingdao Hisense Medical Equipment Co., Ltd. Tel : 86(0) 532-55753841 Fax: 86(0) 532-55753841 Email:wangwei@hisense.com
#### US Agent:
Guy Scott WinProbe Corporation 11770 US Hwy 1 Suite 405E Palm Beach Gardens, FL 33408 Tel: (561)626 4405 Email:gscott@winprobe.com
#### Date Prepared:
February 19, 2015
#### Device Name and Classification:
Common/Usual Name: Diagnostic Ultrasound System Proprietary Name: Hi-Light Diagnostic Ultrasound System
#### Classification Name:
21 CFR 892.1560 Ultrasonic, Pulsed Echo, Imaging 21 CFR 892.1570 Transducer, Ultrasonic, Diagnostic Product Codes: IYO, ITX Regulatory Class: Class II
#### Predicate Device:
Siemens Acuson S2000 Ultrasound System, K081148
{6}------------------------------------------------
### Device description:
The Hi-Light is a portable Diagnostic Ultrasound System, which applies the latest technologies to produce optimal images. The system facilitates a workflow from image acquisition through to archival in a standard DICOM interface to the clinics PACs system. Various image parameter adjustments, a 15 inch high resolution display and custom probes are configured to provide clear and stable images. The modes of operation include B mode.
### Intended Use:
This diagnostic ultrasound system (Hi-Light) and its transducers are intended for use in clinical examinations to evaluate differences in the echogenicity of soft tissue of small parts in adult patients ,(thyroid, breast, and testicles) and for superficial muscular skeletal diagnosis.
The system is for prescription use only by a trained sonographer under the direction of a qualified physician or directly by a qualified physician.
Clinical Test: Clinical testing not required
Non-clinical Test:
Testing according to the following safety standards are conducted on the subject device:
1. IEC 60601-1 Safety Requirements for Medical Equipment, 2012
2. IEC 60601-1-2 EMC Requirements for Medical Equipment, 2007
3. IEC 60601-2-37 Diagnostic Ultrasound Safety Standards, 2007
4. Acoustic output testing as per the FDA guidance "Information for Manufacturers Seeking Marketing Clearance of Diagnostic Ultrasound Systems and Transducers'', dated September 9, 2008
5. ISO 10993-1 Biological evaluation of medical devices - Part 1: Evaluation and testing,2003, ISO 10993-5 Biological evaluation of medical devices - Part 5: Tests for in vitro cytotoxicity,1999, ISO 10993-10 Biological evaluation of medical devices – Part 10: Tests for irritation and delayed-type hypersensitivity,2002, ISO 10993-11, Biological Evaluation of Medical Devices - Part 11: Tests for systemic todcity,2006
#### Comparison to the predicate device:
The Hi-Light diagnostic ultrasound system uses the same fundamental scientific technologies as the predicate device (Siemens Acuson S2000, K081148). Table 1 compares the Hi-Light to the predicate device with respect to indications for use, intended use, and principles of operation for the determination of substantial equivalence.
| Manufacturer | Qingdao Hisense Medical<br>Equipment Co., Ltd. | Siemens |
|-------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| Trade Name | Hi-Light | Acuson S2000 |
| 510(k) Number | - | K081148 |
| Product Code | IYO, ITX | IYN, IYO, ITX |
| Regulation Number | 892.1560<br>892.1570 | 892.1550<br>892.1560<br>892.1570 |
| Regulation Name | Ultrasonic pulsed echo | Ultrasonic pulsed Doppler imaging |
| | imaging | system |
| Indications for Use | This diagnostic ultrasound<br>system (Hi-Light) and its<br>transducers are intended for<br>use in clinical examinations<br>to evaluate differences in the<br>echogenicity of soft tissue of<br>small parts in adult<br>patients ,(thyroid, breast, and<br>testicles) and for superficial<br>muscular skeletal diagnosis.<br>The system is for<br>prescription use only by a<br>trained sonographer under<br>the direction of a qualified<br>physician or directly by a<br>qualified physician. | The Modified S2000, the S2000<br>ABVS Ultrasound system, is intended<br>for the following applications:<br>General Radiology, Abdominal, Fetal,<br>Small Parts, Transcranial, OB/GYN,<br>Cardiac, Pelvic, Neonatal/Adult<br>Cephalic, Pediatric, Urology,<br>Vascular, Musculoskeletal,<br>Superficial Musculoskeletal, and<br>Peripheral Vascular applications. The<br>system supports the transducers listed<br>in the Ultrasound Indications for Use<br>tables, including the 14L5BV for<br>B-mode imaging of a patient's breast<br>using an optional automatic scanning<br>function. The device is not intended to<br>be used as a replacement for<br>screening mammography.<br>The system also provides for the<br>measurement of anatomical structures<br>and analysis as provided in the<br>original S2000 Ultrasound System,<br>which provides information that is<br>used by medical health care<br>professionals for clinical diagnosis<br>purposes. |
| Significant Differences | The main difference is the<br>size<br>Dimensions: 364 mm (W) x<br>63.5 mm(H) x 375mm (D)<br>Weight: 5 kg | Dimensions: 623 mm (W) x 1300<br>mm (H) x 1103 mm (D)<br>Weight: 166 kg |
{7}------------------------------------------------
Table 1. Predicate Device Comparison
# Intended Use:
The intended use and clinical applications of the Hi-Light system are narrowed, but still in the scope of the predicate device. Both systems are intended to be used with a conventional extracorporeal transducer. The type of transducer specified for use with the Hi-Light system is linear which is also used with the predicate system. A comparison of the transducers is provided in Table 2:
| | LA06<br>(Hi-Light) | 14L5<br>(Acuson S2000 K081148) |
|--|--------------------|--------------------------------|
|--|--------------------|--------------------------------|
{8}------------------------------------------------
| Type | Linear | Linear |
|---------------------|--------------------------------------------------------|-------------------------------------------------------------------------------|
| Frequency Bandwidth | 5 – 12 MHz | 5 – 14 MHz |
| Applications | • Breast<br>• Testes<br>• Thyroid<br>• Musculoskeletal | • Breast<br>• Testes<br>• Thyroid<br>• Musculoskeletal<br>• Peripheral Vessel |
| Number of Elements | 128 | 128 |
| Modes of Operation | B | B, C, D, M |
| Array Footprint | 38.1 mm | 39 mm |
Table 2. Probe Comparison
### Operating Principle and Design:
Both the Hi-Light and the predicate system transmit ultrasonic energy into patients then perform post processing of received echoes to generate on-screen displays of anatomic structures of the human body. Both systems are designed with an LCD display screen and hand-held transducers. Both systems support the same operating mode (B) and the same measurement functions for anatomic structures. The operation characteristics (installation and use, mode of operation) and the power supply are the same in both systems.
### Non-clinical Test and Safety:
The Hi-Light system is in conformance with the standards described above which are the same or equivalent to those of the predicate device.
### Biocompatibility:
The patient contact materials of human body surface are evaluated under ISO 10993 and determined acceptable for the specified usage of the system. Both systems have the same acceptance level for biocompatibility.
### Conclusion:
Clinical studies are not required to support substantial equivalence for these conventional ultrasound systems. In addition, as discussed in the above technological comparison, the technological characteristics of the Hi-Light system are substantially equivalent to the referenced predicate device that has been previously cleared for USA distribution.
### Substantially Equivalent Determination:
By definition, a device is substantially equivalent to a predicate device when the device has the same intended use and the same operational characteristics as the previously cleared predicate device, or the device has the same intended use and different operational characteristics in which substantial equivalency can be demonstrated in the device in comparison to the predicate device. In addition, the new device does not raise new questions regarding its safety and effectiveness as compared to the predicate device. It is shown in this 510(k) submission that the difference between the Hi-Light and the predicate device does not raise any questions regarding its safety and effectiveness. The Hi-Light, as designed and produced, is determined to be substantially
{9}------------------------------------------------
equivalent to the predicate device.
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Part 1 — Search, results, and everyday workflows 16 min
Part 2 — Embeddings: the galaxy map 3 min
1. Search: exact and fuzzy
Type a phrase like "coronary artery calcification" into the search box. You get two kinds of results. Exact results match the literal phrase — prefix searches work ("coronary artery calcificati") but suffix searches do not. Fuzzy results match on the meaning and intent of your phrase rather than the exact words, and are sorted by relevance score. Hover over the Exact or Fuzzy badge on any row to see exactly why it matched.
Use the checkboxes above the results to narrow: SaMD keeps only software-only devices, AI / ML keeps only devices with AI.
Exact vs. fuzzy search: what's the difference?
Exact matches on the literal phrase (prefix search works, suffix does not). Fuzzy matches on the meaning and intent of the phrase rather than the exact words. Hover over the badge on any row to see why it matched.
You search "coronary artery calcification" and want only software devices with AI. What two filters do you apply?
Narrow by SaMD (software-only devices), then narrow by AI/ML (devices with AI).
2. The results table
Scroll right in the results table. The intended use is extracted for you — no need to open the PDF. The device story gives a high-level snapshot of what the device does and how it's used. The AI Performance sub-table shows each output name, acceptance criteria, observed values, and development/test dataset descriptions — the same format Innolitics uses for regulatory strategy outputs, and the fastest high-level fingerprint of an AI device. It is AI-generated but has been very reliable in practice.
Where do you find a device's intended use without opening the PDF?
Scroll right in the search results table. The intended use column is extracted for you; no need to dig into the 510(k) summary PDF.
What does the AI Performance sub-table show, and why is it useful?
Output name, acceptance criteria, observed values, development dataset description, and test dataset description. It's the same format we use for regulatory strategy output and Fast 510(k) input, and the fastest high-level fingerprint of an AI device. AI-generated but reliable in practice.
3. Judging fuzzy relevance
Fuzzy results trail off in relevance as you scroll. Use three signals to decide how far down to go: the fuzzy badge explanations, the intended use column, and whether your target output (e.g., Cobb angle) still appears in the AI Performance sub-table. Once it stops appearing, you're past the relevant zone. A top hit with a low score (~0.4) and a stretched explanation is a hint the closest predicates are far away — the project may be headed for De Novo. Note the fuzzy search is a pattern match: it doesn't handle negation ("not") well, and hardware devices can appear — filter by SaMD/AI ML to cut them.
How do you judge how far down fuzzy search results to go?
Use the relevancy signals: the fuzzy badge explanations, the intended use column, and whether the target output (e.g., Cobb angle) still appears in the AI Performance sub-table. Once it stops appearing, results are trailing off in relevancy.
4. Device detail page: chat and citations
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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.
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With rows selected, go to the Collections tab and create a labeled collection (e.g., "Cobb Angle Project"). Reload that selection any time — before a client call, pull up the collection and ask questions across all of its devices at once.
How do you save a set of selected devices for later use?
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7. Product codes and the regulations tree
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What can you do from the regulations tree view?
Browse product codes and regulation numbers, read the identification text and special controls, browse sibling product codes, open device PDFs on the right, and search by product code or regulation number at the top of the tree.
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.