K181545 · Shanghai AnQing Medical Instrument Co., Ltd. · HIH · May 10, 2019 · Obstetrics/Gynecology
Device Facts
Record ID
K181545
Device Name
Hysteroscope System
Applicant
Shanghai AnQing Medical Instrument Co., Ltd.
Product Code
HIH · Obstetrics/Gynecology
Decision Date
May 10, 2019
Decision
SESE
Submission Type
Traditional
Regulation
21 CFR 884.1690
Device Class
Class 2
Attributes
Therapeutic
Indications for Use
The Hysteroscope System is intended to be used to permit viewing of the cervical canal and uterine cavity for the purpose of performing diagnostic and surgical procedures. Note: Hysteroscopes are used as tools to access the uterine cavity and of themselves, a method of surgery. Generally recognized indications for diagnostic hysteroscopy include: - Abnormal bleeding - · Infertility and pregnancy wastage - · Evaluation of abnormal hysterosalpingogram - · Intrauterine foreign body - · Amenorrhea - · Pelvic pain Generally recognized indications for operative hysteroscopy include: - · Directed endometrial biopsy - · Polypectomy - Submucous myomectomy - · Transection of intrauterine adhesions - · Transection of intrauterine septa - · Endometrial ablation
Device Story
Hysteroscope System consists of sterile, single-use rigid hysteroscope and video processor. CMOS chip at distal end of scope collects anatomical images; transmitted via processor to external monitor for physician viewing. Used in clinical settings by physicians to visualize cervical canal and uterine cavity during diagnostic and surgical procedures. Provides real-time visual guidance for interventions like biopsy, polypectomy, and myomectomy. Benefits include direct visualization of intrauterine pathology, facilitating minimally invasive gynecological procedures.
Clinical Evidence
Bench testing only. Biocompatibility (ISO 10993-5, -10), sterilization validation (ISO 11135), electrical safety/EMC (IEC 60601-1, -2-18, -1-2), optical performance (ISO 8600 series), and mechanical performance (leaking, bending, irrigation) met predefined acceptance criteria.
Technological Characteristics
Rigid hysteroscope with CMOS sensor; LED illumination. Models: GSA01-B (straight, no operative channel), GSB04-B (straight, operative channel), GSB14-B (curved tip, operative channel). Working length 260mm. Power: 5V. Sterilization: Ethylene Oxide (EO). Software: Moderate level of concern.
Indications for Use
Indicated for diagnostic and surgical procedures of the cervical canal and uterine cavity. Patient population includes those with abnormal bleeding, infertility, pregnancy wastage, abnormal hysterosalpingogram, intrauterine foreign bodies, amenorrhea, or pelvic pain. Also indicated for directed endometrial biopsy, polypectomy, submucous myomectomy, transection of intrauterine adhesions/septa, and endometrial ablation.
Regulatory Classification
Identification
A hysteroscope is a device used to permit direct viewing of the cervical canal and the uterine cavity by a telescopic system introduced into the uterus through the cervix. It is used to perform diagnostic and surgical procedures other than sterilization. This generic type of device may include obturators and sheaths, instruments used through an operating channel, scope preheaters, light sources and cables, and component parts.
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May 10, 2019
Shanghai AnQing Medical Instrument CO., Ltd. Lina Fei Quality Manager 150 Cailun Road, Zhangjiang High-Tech Park Shanghai, 201210 China
Re: K181545
> Trade/Device Name: Hysteroscope System Regulation Number: 21 CFR§ 884.1690 Regulation Name: Hysteroscope and Accessories Regulatory Class: II Product Code: HIH Dated: April 3, 2019 Received: April 10, 2019
Dear Lina Fei:
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.
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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 (QS) 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,
Sharon M. Andrews Assistant Division Director DHT3B: Division of Reproductive. Gynecology and Urology Devices OHT3: Office of Gastrorenal, ObGyn, General Hospital and Urology Devices Office of Product Evaluation and Quality Center for Devices and Radiological Health
Enclosure
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# Indications for Use
510(k) Number (if known) K181545
Device Name Hysteroscope System
Indications for Use (Describe)
The Hysteroscope System is intended to be used to permit viewing of the cervical canal and uterine cavity for the purpose of performing diagnostic and surgical procedures.
Note: Hysteroscopes are used as tools to access the uterine cavity and of themselves, a method of surgery.
Generally recognized indications for diagnostic hysteroscopy include:
- Abnormal bleeding
- · Infertility and pregnancy wastage
- · Evaluation of abnormal hysterosalpingogram
- · Intrauterine foreign body
- · Amenorrhea
- · Pelvic pain
Generally recognized indications for operative hysteroscopy include:
- · Directed endometrial biopsy
- · Polypectomy
- Submucous myomectomy
- · Transection of intrauterine adhesions
- · Transection of intrauterine septa
- · Endometrial ablation
Type of Use (Select one or both, as applicable)
| <span style="font-family: Arial;"> <input checked="true" type="checkbox"/> Prescription Use (Part 21 CFR 801 Subpart D) </span> |
|------------------------------------------------------------------------------------------------------------------------------------|
| <span style="font-family: Arial;"> <input type="checkbox"/> Over-The-Counter Use (21 CFR 801 Subpart C) </span> |
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# 510(k) Summary – K181545
# I. Submitter
Device submitter: Shanghai AnQing Medical Instrument CO., Ltd. Room 202, 2nd Floor, No.7 Building & Room 202, 2nd Floor No.4 Building, 150 Cailun Road, Zhangjiang High-Tech Park, 201210, Shanghai, China
Contact person: Wen Shi Quality Manager Phone: +86 135 8580 5802 Fax: +86 21 5019 1132 – 8004 Email: wenshi@innovexmed.com.cn
Date prepared: May 9, 2019
### II. Device
Trade Name of Device: Hysteroscope System Common Name: Hysteroscope (And Accessories) Regulation Number: 21 CFR 884.1690 Regulation Name: Hysteroscope and Accessories Regulatory Class: II Product Code: HIH Product Code Name: Hysteroscope and Accessories
#### III. Predicate Devices
| Trade name: | LiNA OperaScope |
|-------------------------|----------------------------------------------|
| Common name: | Hysteroscope |
| Classification: | 21 CFR 884.1690 Hysteroscope and Accessories |
| Product Code: | HIH, Hysteroscope and Accessories |
| Premarket Notification: | K171113 |
The predicate device has not been subject to a design-related recall.
# IV. Device description
The Hysteroscope System consists of a sterile single-use disposable Rigid Hysteroscope and video processor for clinical image processing. The Rigid Hysteroscope (available in models GSA01-B, GSB04-B and GSB14-B) are used to permit direct viewing of the cervical canal and the uterine cavity for the purpose of performing diagnostic and surgical procedures. Model GSA01-B is intended for diagnostic hysteroscopy only, and has a rigid
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shaft without operative channel (injection channel only). Models GSB04-B and GSB14-B are intended for both diagnostic and operative hysteroscopy, and have an operative (insertion) channel. GSB04-B has a rigid shaft, and GSB14-B has a curved tip. The specifications for the three models are as follows:
| Model | Shape | Scope diameter | Working length | Minimum<br>insertion<br>channel<br>diameter | Injection<br>channel<br>Diameter | Tip Curve | Curved Tip<br>length |
|---------|----------------------|-----------------------|----------------|---------------------------------------------|----------------------------------|------------|----------------------|
| GSA01-B | Straight | Φ4.0mm<br>+0.0/-0.3mm | 260mm±8mm | N/A | 0.8mm<br>+0.2/-0.0mm | N/A | N/A |
| GSB04-B | Straight | Φ6.4mm<br>+0.0/-0.3mm | 260mm±8mm | 2.3mm<br>+0.2/-0.0mm | 1.1mm<br>+0.2/-0.0mm | N/A | N/A |
| GSB14-B | Curved<br>distal tip | Φ6.4mm<br>+0.0/-0.3mm | 260mm±8mm | 2.3mm<br>+0.2/-0.0mm | 1.1mm<br>+0.2/-0.0mm | 22°<br>±5° | 25mm<br>±1.3mm |
The video processor provides power and processes the images from the Rigid Hysteroscopes. Anatomical images are collected via a CMOS chip at the distal end of the hysteroscope and are transmitted through the video processor to a monitor.
#### V. Indications for use
The Hysteroscope System is intended to be used to permit viewing of the cervical canal and uterine cavity for the purpose of performing diagnostic and surgical procedures.
Note: Hysteroscopes are used as tools to access the uterine cavity and are not, in and of themselves, a method of surgery.
Generally recognized indications for diagnostic hysteroscopy include:
- Abnormal bleeding
- Infertility and pregnancy wastage
- Evaluation of abnormal hysterosalpingogram
- Intrauterine foreign body
- Amenorrhea
- Pelvic pain
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Generally recognized indications for operative hysteroscopy include:
- · Directed endometrial biopsy
- · Polypectomy
- · Submucous myomectomy
- Transection of intrauterine adhesions
- · Transection of intrauterine septa
- Endometrial ablation
#### VI. Comparison of technological characteristics with the predicate devices
The Hysteroscope System has the same intended use as the predicate device. The Hysteroscope System and the predicate device are designed to provide real-time images to the physician in order to facilitate diagnostic and therapeutic procedures in the cervical canal and uterus. As summarized in the table below, there are differences in technological characteristics between the subject and predicate device. The technological differences between the Hysteroscope System and predicate device do not raise different questions of safety or effectiveness.
| Device Feature | Hysteroscope<br>System (subject<br>device) | LiNA OperaScope<br>K171113 | Discussion |
|-------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| Indications for<br>use | The Hysteroscope<br>System is intended<br>to be used to permit<br>viewing of the<br>cervical canal and<br>uterine cavity for the<br>purpose of<br>performing<br>diagnostic and<br>surgical procedures.<br>Note: Hysteroscopes<br>are used as tools to<br>access the uterine<br>cavity and are not, in<br>and of themselves, a<br>method of surgery.<br><br>Generally<br>recognized<br>indications for<br>diagnostic<br>hysteroscopy<br>include:<br>• Abnormal bleeding | The LiNA OperaScope is<br>intended for use in<br>visualization of the<br>cervical canal and uterine<br>cavity during diagnostic<br>and therapeutic<br>gynecological<br>procedures. The types of<br>procedures where the<br>OperaScope could offer<br>visualization include:<br>• Assessment of<br>abnormal bleeding, pelvic<br>pain, amenorrhea and<br>abnormal findings from<br>hysterosalpingogram;<br>• Assessment of Infertility<br>and pregnancy wastage;<br>• Confirmation of the<br>presence of intrauterine<br>foreign body;<br>• Assist in locating<br>submucosal fibroids and<br>polyps targeted for | Similar; the difference<br>in wording of the<br>indications does not<br>alter the intended use. |
| | | | |
| | • Infertility and<br>pregnancy wastage<br>• Evaluation of<br>abnormal<br>hysterosalpingogram<br>• Intrauterine foreign<br>body<br>• Amenorrhea<br>• Pelvic pain<br>Generally<br>recognized<br>indications for<br>operative<br>hysteroscopy<br>include:<br>• Directed<br>endometrial biopsy<br>• Polypectomy<br>• Submucous<br>myomectomy<br>• Transection of<br>intrauterine<br>adhesions<br>• Transection of<br>intrauterine septa<br>• Endometrial<br>ablation | removal;<br>• Provide visual guidance<br>during directed biopsy,<br>submucosal<br>myomectomy,<br>transection of intrauterine<br>adhesions and septa. | |
| System<br>Components | The Hysteroscope<br>System consists of a<br>sterile single-use<br>disposable Rigid<br>Hysteroscope and<br>video processor for<br>clinical image<br>processing. | Sterile/Single-use<br>Handpiece<br>(Hysteroscope) with<br>CMOS camera, LED<br>illumination, LCD display<br>unit, channel for infusion<br>of irrigating fluid, channel<br>for fluid outflow,<br>microelectronics,<br>firmware and single use<br>batteries for powering the<br>device.<br>Non-Sterile/Reusable<br>Recording Module with<br>software,<br>microelectronics and<br>controls for recording<br>pictures/video, HDMI<br>ports (2) for connection to | Similar;<br>the basic system<br>composition is<br>identical (single use<br>scope with video<br>processor). |
| | | | |
| | | | |
| Optical Image | CMOS | handpiece<br>(hysteroscope) and<br>external monitor and<br>input port for external 9V<br>DC power supply. | Identical |
| Image Resolution | 100,000 pixels | Digital CMOS<br>Technology<br>CMOS camera consists<br>of approximately 160,000<br>pixels | Different; the<br>difference does not<br>raise different<br>questions of safety or<br>effectiveness. |
| Illumination<br>Light Source | LED | LED at tip of cannula | Identical |
| Inflow and<br>outflow channel<br>for saline<br>instillation | Inflow and outflow<br>channels separately | Inflow: Inflow channel<br>and working channel<br>combined in one channel<br>above the camera.<br>Outflow: One outflow<br>channel with two<br>entrances placed on top<br>and bottom of distal tip. | Different; The<br>difference does not<br>raise different<br>questions of safety or<br>effectiveness. |
| Cannula tip<br>design | Angled shaft<br>proximal to tip:<br>Straight: 0°<br>Curved tip:22° | Rounded polymer tip.<br>Angled shaft proximal to<br>tip (~ 20°C). Steerable by<br>rotation knob. | Different; the<br>predicate device is<br>steerable by rotation<br>knob. The difference<br>does not raise<br>different questions of<br>safety or<br>effectiveness. |
| Image<br>Transmission | Transmits images<br>are transmitted to<br>the user by the video<br>processor with a<br>CMOS chip at the<br>distal end of the<br>endoscope and the<br>image showing on a<br>monitor. | Transmits images from<br>CMOS video camera to<br>local LCD display unit on<br>the handpiece and<br>remote monitor. | Identical |
| Maximum | 4.0 to 6.4mm | 4.3 mm | Different; the |
| | | | |
| Insertion<br>Diameter (Tip) | depending on model | | difference in diameter<br>does not raise<br>different questions of<br>safety or<br>effectiveness. |
| Shaft/Cannula<br>Length | 260mm | 240mm (24cm) | Different; the<br>difference in length<br>does not raise<br>different questions of<br>safety and<br>effectiveness. |
| Energy Source | Hysteroscope: 5V<br>Video Processor: 5V<br>2A | Handpiece: 3V (2 AA<br>batteries)<br>Recording Module: 9V<br>DC external power<br>adapter | Similar;<br>Different output<br>formats do not raise<br>different safety or<br>effectiveness. |
| Sterilization | The Rigid<br>Hysteroscope is<br>provided sterilized<br>by EO. No<br>re-sterilization is<br>permitted.<br><br>Video Processor:<br>Non-Sterile | Handpiece<br>(Hysteroscope):<br>Ethylene Oxide (EO)<br><br>Handpiece Batteries:<br>Radiation (Gamma)<br><br>Recording Module:<br>Non-Sterile | Identical |
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K181545 Page 6 of 7
# VII. Performance data
The following performance data were provided in support of the substantial equivalence determination.
# Biocompatibility testing
Biocompatibility of the Hysteroscope System was evaluated in accordance with ISO 10993-1:2009 for the body contact category of "Surface – Mucosal Membrane" with a contact duration of "Limited (< 24 hours)". The following tests were performed: Cytotoxicity per ISO 10993-5:2009, Irritation and Sensitization per ISO 10993-10:2010. The device was demonstrated to be non-cytotoxic, non-sensitizing and non-irritating.
# Sterilization and shelf life testing
The ethylene oxide sterilization method has been validated to ISO 11135:2014. The shelf life of the Rigid Hysteroscope was demonstrated through a stability study which included
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testing of aged devices to ensure devices maintained specifications and that device packaging maintained sterility.
#### Electrical safety and electromagnetic compatibility (EMC)
Electrical safety and EMC testing were conducted on the Hysteroscope System. The system complies with the IEC 60601-1:2005/(R)2012, IEC60601-2-18 Edition 3, and IEC 60601-1-2:2014.
#### Software Verification and Validation Testing
Software verification and validation testing were conducted and documentation was provided as recommended by FDA's Guidance for Industry and FDA Staff, "Guidance for the Content of Premarket Submissions for Software Contained in Medical Devices for a "moderate" level of concern.
#### Optical performance testing
Optical performance testing was conducted on the Hysteroscope System. The optical performance of the system complies with ISO 8600 series. The system was demonstrated to meet predefined acceptance criteria.
#### Mechanical performance testing
Mechanical characteristics including leaking, bending, articulating and irrigation tests were performed. Devices were demonstrated to meet predefined acceptance criteria.
#### VIII. Conclusion
The subject device has the same intended use as the predicate, and differences in technological characteristics between the subject and predicate devices do not raise different questions of safety or effectiveness. The non-clinical testing demonstrates that the subject device is as safe and as effective as the legally marketed predicate device. Therefore, the subject device is substantially equivalent to the predicate.
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.