Spine & Trauma Navigation is intended as an intraoperative image-guided localization system to enable open and minimally invasive surgery. It links a freehand probe, tracked by a passive marker sensor system to virtual computer image space on a patient's preoperative or intraoperative 2D or 3D image data. Spine & Trauma Navigation enables computer-assisted navigation of medical image data, which can either be acquired preoperatively or intraoperatively by an appropriate image acquisition system. The software offers screw and interbody device planning and navigation with surgical instruments. The system is indicated for any medical condition in which the use of stereotactic surgery may be appropriate and where a reference to a rigid anatomical structure, such as the skull, the pelvis, a long bone or vertebra can be identified relative to the acquired image (CT, MR, 3D fluoroscopic image reconstruction or 2D fluoroscopic image) and/or an image data based model of the anatomy.
Device Story
Image-guided surgery system for spine and trauma procedures; utilizes optical tracking technology to link freehand probes to virtual image space. Inputs include preoperative or intraoperative 2D/3D image data (CT, MR, cone beam CT). System enables screw and interbody device planning and navigation. Used in OR by surgeons; provides real-time visualization of surgical instruments relative to patient anatomy. Benefits include improved localization accuracy for open and minimally invasive surgery. Subject device introduces modified patient reference clamps (including a rod-clamp mechanism) and sterilization trays for instrument organization and transport.
Clinical Evidence
No clinical testing was required. Substantial equivalence established via bench testing, including mechanical stability, fixation load testing, reprocessing validation (ISO 17664-1), and biocompatibility assessment (ISO 10993-1:2018). Formative usability testing performed for the new rod-clamp design.
Indicated for patients requiring stereotactic surgery where rigid anatomical structures (skull, pelvis, long bone, vertebra) can be referenced to preoperative or intraoperative 2D/3D image data (CT, MR, fluoroscopy) or anatomical models.
Regulatory Classification
Identification
A stereotaxic instrument is a device consisting of a rigid frame with a calibrated guide mechanism for precisely positioning probes or other devices within a patient's brain, spinal cord, or other part of the nervous system.
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FDA U.S. FOOD & DRUG ADMINISTRATION
September 12, 2025
Brainlab AG
Esther Moreno Garcia
Manager QM
Olof-Palme-Str. 9
Munich, 81829
Germany
Re: K252562
Trade/Device Name: Spine & Trauma Navigation Instruments
Regulation Number: 21 CFR 882.4560
Regulation Name: Stereotaxic Instrument Regulatory Class: Class II Product Code: OLO Dated: August 14, 2025
Received: August 14, 2025
Dear Esther Moreno Garcia:
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 (the 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 available 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.
Additional information about changes that may require a new premarket notification are provided in the FDA guidance documents entitled "Deciding When to Submit a 510(k) for a Change to an Existing Device"
U.S. Food & Drug Administration
10903 New Hampshire Avenue
Silver Spring, MD 20993
www.fda.gov
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K252562 - Esther Moreno Garcia
Page 2
(https://www.fda.gov/media/99812/download) and "Deciding When to Submit a 510(k) for a Software Change to an Existing Device" (https://www.fda.gov/media/99785/download).
Your device is also subject to, among other requirements, the Quality System (QS) regulation (21 CFR Part 820), which includes, but is not limited to, 21 CFR 820.30, Design controls; 21 CFR 820.90, Nonconforming product; and 21 CFR 820.100, Corrective and preventive action. Please note that regardless of whether a change requires premarket review, the QS regulation requires device manufacturers to review and approve changes to device design and production (21 CFR 820.30 and 21 CFR 820.70) and document changes and approvals in the device master record (21 CFR 820.181).
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 Part 803) for devices or postmarketing safety reporting (21 CFR Part 4, Subpart B) for combination products (see https://www.fda.gov/combination-products/guidance-regulatory-information/postmarketing-safety-reporting-combination-products); 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 Part 4, Subpart A) for combination products; and, if applicable, the electronic product radiation control provisions (Sections 531-542 of the Act); 21 CFR Parts 1000-1050.
All medical devices, including Class I and unclassified devices and combination product device constituent parts are required to be in compliance with the final Unique Device Identification System rule ("UDI Rule"). The UDI Rule requires, among other things, that a device bear a unique device identifier (UDI) on its label and package (21 CFR 801.20(a)) unless an exception or alternative applies (21 CFR 801.20(b)) and that the dates on the device label be formatted in accordance with 21 CFR 801.18. The UDI Rule (21 CFR 830.300(a) and 830.320(b)) also requires that certain information be submitted to the Global Unique Device Identification Database (GUDID) (21 CFR Part 830 Subpart E). For additional information on these requirements, please see the UDI System webpage at https://www.fda.gov/medical-devices/device-advice-comprehensive-regulatory-assistance/unique-device-identification-system-udi-system.
Also, please note the regulation entitled, "Misbranding by reference to premarket notification" (21 CFR 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-devices/medical-device-safety/medical-device-reporting-mdr-how-report-medical-device-problems.
For comprehensive regulatory information about medical devices and radiation-emitting products, including information about labeling regulations, please see Device Advice (https://www.fda.gov/medical-devices/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-devices/device-advice-comprehensive-regulatory-assistance/contact-us-division-industry-and-consumer-education-dice) for more information or contact DICE
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K252562 - Esther Moreno Garcia
Page 3
by email (DICE@fda.hhs.gov) or phone (1-800-638-2041 or 301-796-7100).
Sincerely,
Shumaya Ali -S
Shumaya Ali, M.P.H.
Assistant Director
DHT6C: Division of Restorative,
Repair, and Trauma Devices
OHT6: Office of Orthopedic Devices
Office of Product Evaluation and Quality
Center for Devices and Radiological Health
Enclosure
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FORM FDA 3881 (8/23)
Page 1 of 1
PSC Publishing Services (301) 443-6740
EF
| DEPARTMENT OF HEALTH AND HUMAN SERVICES Food and Drug Administration Indications for Use | Form Approved: OMB No. 0910-0120 Expiration Date: 07/31/2026 See PRA Statement below. |
| --- | --- |
| 510(k) Number (if known) K252562 | |
| Device Name Spine & Trauma Navigation Instruments | |
| Indications for Use (Describe) Spine & Trauma Navigation is intended as an intraoperative image-guided localization system to enable open and minimally invasive surgery. It links a freehand probe, tracked by a passive marker sensor system to virtual computer image space on a patient's preoperative or Intraoperative 2D or 3D image data. | |
| Spine & Trauma Navigation enables computer assisted navigation of medical image data, which can either be acquired preoperatively or intraoperatively by an appropriate image acquisition system. The software offers screw and interbody device planning and navigation with surgical instruments. | |
| The system is indicated for any medical condition in which the use of stereotactic surgery may be appropriate and where a reference to a rigid anatomical structure, such as the skull, the pelvis, a long bone or vertebra can be identified relative to the acquired image (CT, MR, 3D fluoroscopic image reconstruction or 2D fluoroscopic image) and/or an image data based model of the anatomy. | |
| Type of Use (Select one or both, as applicable) ☑ Prescription Use (Part 21 CFR 801 Subpart D) ☐ 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." | |
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BRAINLAB
# 510(k) Summary
August 14th, 2025
General Information
| Manufacturer | Brainlab AG; Olof-Palme-Str.9, 81829, Munich, Germany | |
| --- | --- | --- |
| Establishment Registration | 8043933 | |
| Trade Name | Spine & Trauma Navigation Instruments | |
| Classification Name | Orthopedic Stereotaxic Instrument | |
| Product Code | OLO | |
| Regulation Number | 882.4560 | |
| Regulatory Class | II | |
| Panel | Orthopedic | |
| Predicate Device(s) | K221618 - Spine & Trauma Navigation | |
| Contact Information | | |
| Primary Contact | | Alternate Contact |
| Esther Moreno Garcia
Manager Regulatory Affairs
Phone: +49 89 99 15 68 0
Email: regulatory.affairs@brainlab.com | | Chiara Cunico
Phone: +49 89 99 15 68 0
Fax: +49 89 99 15 68 5033
Email: chiara.cunico@brainlab.com |
# 1. Indications for Use
Spine & Trauma Navigation is intended as an intraoperative image-guided localization system to enable open and minimally invasive surgery. It links a freehand probe, tracked by a passive marker sensor system to virtual computer image space on a patient's preoperative or intraoperative 2D or 3D image data.
Spine & Trauma Navigation enables computer-assisted navigation of medical image data, which can either be acquired preoperatively or intraoperatively by an appropriate image acquisition system. The software offers screw and interbody device planning and navigation with surgical instruments.
The system is indicated for any medical condition in which the use of stereotactic surgery may be appropriate and where a reference to a rigid anatomical structure, such as the skull, the pelvis, a long bone or vertebra can be identified relative to the acquired image (CT, MR, 3D fluoroscopic image reconstruction or 2D fluoroscopic image) and/or an image data based model of the anatomy.
# 2. Device Description
The Spine & Trauma Navigation is an image guided surgery system for navigated treatments in the fields of spine and trauma surgery, whereas the user may use image data based on CT, MR, 3D fluoroscopic image reconstruction (cone beam CT) or 2D fluoroscopic images. It offers
K252562 - Page 1 of 6
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BRAINLAB
different patient image registration methods and instrument calibrations to allow surgical navigation by using optical tracking technology. To fulfil this purpose, it consists of software, Image Guided Surgery platforms and surgical instruments.
Brainlab's spinal instrument portfolio includes common types of instruments used in image guided surgery procedures including patient referencing instruments, instruments for image registration, drill guides, drill bits, tracking arrays, awls and probes for open surgery, Starlink instrument adapters and arrays to allow the connection of suitable 3rd party instruments, an Instrument Calibration Matrix for calibration of instruments, sets of instruments to be used with the accessories Microscope Navigation and Cirq Arm System, the sterile instruments Disposable Trocar Insert Pedicle Access Needle and Disposable Clip-On Remote Control and Sterilization Trays.
Modified spine reference clamps and Sterilization Trays have been introduced as part of the Subject Device. The new Patient Reference Rod-Clamp Spine & Trauma belongs to the Patient Reference Clamp Spine & Trauma group, consisting of 3 clamps, two intended to achieve a rigid fixation to the bone and a third one intended to achieve rigid fixation to a rod. This provides a solid interface for stiff reference array fixation, enabling navigated surgery with the Spine & Trauma Navigation software. The novel feature is the possibility to attach the clamp to an existing rod, which is only possible with the Patient Reference Rod-Clamp Spine & Trauma. All clamps are delivered unsterile and require end user sterilization.
The Sterilization Trays serve as a rigid containment device intended for the repeated use before, during and after sterilization in healthcare facilities to store, organize, identify and transport a set of specified instruments, which require sterilization prior to use. The Sterilization Tray requires an additional sterile barrier system to maintain sterile. There are multiple variants of the Sterilization Trays, each offering designated slots and outlines to a defined set of compatible instruments.
# 3. Substantial Equivalence
For the Substantial Equivalence determination, comparison of the Subject Device features with the following predicate device(s) was carried out:
K221618 - Spine & Trauma Navigation (product code: OLO)
The predicate device was chosen since it's the predecessor device and therefore very similar to the subject device w.r.t the indications for use, technological characteristics and use cases.
The main difference compared to the predicate device are modified instruments.
K252562 - Page 2 of 6
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BRAINLAB
| Feature | Predicate Device K221618 | Subject Device |
| --- | --- | --- |
| Indications for use | Spine & Trauma Navigation is intended as an intraoperative image-guided localization system to enable open and minimally invasive surgery. It links a freehand probe, tracked by a passive marker sensor system to virtual computer image space on a patient's preoperative or intraoperative 2D or 3D image data.
Spine & Trauma Navigation enables computer-assisted navigation of medical image data, which can either be acquired preoperatively or intraoperatively by an appropriate image acquisition system. The software offers screw and interbody device planning and navigation with surgical instruments.
The system is indicated for any medical condition in which the use of stereotactic surgery may be appropriate and where a reference to a rigid anatomical structure, such as the skull, the pelvis, a long bone or vertebra can be identified relative to the acquired image (CT, MR, 3D fluoroscopic image reconstruction or 2D fluoroscopic image) and/or an image databased model of the anatomy. | Spine & Trauma Navigation is intended as an intraoperative image-guided localization system to enable open and minimally invasive surgery. It links a freehand probe, tracked by a passive marker sensor system to virtual computer image space on a patient's preoperative or intraoperative 2D or 3D image data.
Spine & Trauma Navigation enables computer-assisted navigation of medical image data, which can either be acquired preoperatively or intraoperatively by an appropriate image acquisition system. The software offers screw and interbody device planning and navigation with surgical instruments.
The system is indicated for any medical condition in which the use of stereotactic surgery may be appropriate and where a reference to a rigid anatomical structure, such as the skull, the pelvis, a long bone or vertebra can be identified relative to the acquired image (CT, MR, 3D fluoroscopic image reconstruction or 2D fluoroscopic image) and/or an image databased model of the anatomy. |
| Navigation accuracy | Mean Positional Error of the placed instrument's tip ≤ 2 mm
Mean Angular Error of the placed instrument's axis ≤ 2° | Mean Positional Error of the placed instrument's tip ≤ 2 mm
Mean Angular Error of the placed instrument's axis ≤ 2° |
| Tracking technology | Optical tracking | Optical tracking |
| Patient Reference Clamps | | |
| Overview Patient | Spine Reference Clamp Carbon
Spine Reference X-Clamp Size S
Spine Reference X-Clamp Size L | Spine Reference Clamp Carbon, same as predicate device. |
K252562 - Page 3 of 6
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BRAINLAB
| Feature | Predicate Device K221618 | Subject Device |
| --- | --- | --- |
| Reference Clamps | | X-Clamps sizes S and L are end of sales.
Patient Reference Rod-Clamp Spine & Trauma
Patient Reference Steel-Clamp Spine & Trauma Size S
Patient Reference Steel-Clamp Spine & Trauma Size L
New set of clamps with improved stiffness. |
| Principle of operation | Rigid fixation to the bone by clamping the bone between two clamp arms, that have bone pins which penetrate through remaining tissue into cortical bone. | Patient Reference Rod-Clamp Spine & Trauma: Rigid fixation to the bone indirectly, by clamping onto a rod which is attached to the bone by pedicle screws. The clamp is attached to the rod by means of a hook-clamp mechanism.
Patient Reference Steel-Clamp Spine & Trauma Size S and L: Same fixation concept to bone as in predicate device. |
| Sterility | Provided non-sterile
End user steam sterilization
Reusable | Provided non-sterile
End user steam sterilization
Reusable |
| Patient contacting materials | Stainless steel and PEEK | Stainless steel and PEEK |
| Sterilization Trays | | |
| Classification | Compatible Sterilization Trays considered class I exempt with code FSM. | Classified as class II with code OLO. |
| Tray Variants | Multiple variants of Sterilization Trays available. | For existing trays no changes other than the classification.
Two new variants of Sterilization Trays were introduced to accommodate new instruments.
Overall design remains very similar to predicate device since all trays are based on the same generic concept from the same supplier. |
K252562 - Page 4 of 6
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BRAINLAB
| Feature | Predicate Device K221618 | Subject Device |
| --- | --- | --- |
| Sterility | Provided non-sterile
End user steam sterilization
Reusable | Provided non-sterile
End user steam sterilization
Reusable |
| Patient contact | None | None |
# 4. Performance Data
The following testing was conducted on the Subject Device to establish substantial equivalence with the predicate device:
For Patient Reference Rod-Clamp Spine & Trauma:
- Mechanical stability throughout the defined lifetime, by assessing the influence of wear under simulated use.
- Fixation stability of the clamp against static and dynamic loads, which proved to be equal or better as the predecessor clamps.
- Reprocessing: The Patient Reference Rod-Clamp Spine & Trauma requires automatic cleaning including an ultrasonic bath and end user sterilization before use. A worst case comparison was performed against representative tested devices.
- Biocompatibility: Was evaluated according to ISO 10993-1:2018 “Biological evaluation of medical devices – Part 1: Evaluation and testing within a risk management process” for a device with contact with tissue and blood for a limited time (<24h).
- Usability: A formative usability was carried out for the new design of the rod clamp, which proved to be safe and effective.
For the Sterilization Trays:
- Mechanical stability has been verified for a worst case device, since the mechanical parts, user interfaces and materials are identical across sterilization tray variants. Testing also included variant specific tests to ensure the compatible instruments fit in the designated trays.
- Biocompatibility: Even though the Sterilization Trays have no intended body contact acc. to ISO 10993-1, the used materials were assessed with regard to their possible influence on the biocompatibility of the stored surgical instruments. No further risk was discovered.
- Reprocessing: The trays have been validated for recommended cleaning and disinfection methods as well as for steam sterilization and drying in combination with a rigid sterile barrier systems, following a worst case comparison as proposed in ISO 17664-1.
K252562 - Page 5 of 6
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BRAINLAB
No clinical testing was required for the subject device.
## 5. Conclusion
The comparison of the Subject Device with the predicate device shows that the modified Spine & Trauma Navigation including modified instruments has similar functionality, intended use and technological characteristics as the predicate device. Based on the comparison to the predicate and the performance testing conducted, the Subject Device is considered substantially equivalent to the predicate device.
K252562 - Page 6 of 6
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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.