K182795 · Lensar, Inc. · OOE · Dec 21, 2018 · Ophthalmic
Device Facts
Record ID
K182795
Device Name
LENSAR Laser System - fs 3D (LLS-fs 3D)
Applicant
Lensar, Inc.
Product Code
OOE · Ophthalmic
Decision Date
Dec 21, 2018
Decision
SESE
Submission Type
Traditional
Regulation
21 CFR 886.4390
Device Class
Class 2
Attributes
Therapeutic
Indications for Use
The LENSAR Laser System - fs 3D (LLS-fs 3D) with Streamline™ is an ophthalmic surgical laser indicated for use: · in the creation of an anterior capsulotomy; - · in patients undergoing surgery requiring laser-assisted fragmentation of the cataractous lens; - · in the creation of full and partial thickness single-plane arc cuts/incisions in the cornea; - · in patients undergoing ophthalmic surgery or other treatments requiring pocket cuts/ incisions in the cornea; - · in the creation of a corneal flap in patients undergoing treatment requiring initial lamellar resection of the cornea; - · in patients undergoing surgery or other treatment requiring initial lamellar resection of the cornea to create tunnels for placement of corneal ring segments; and - · in the creation of partial thickness single-plane radial cuts/incisions in the cornea.
Device Story
Ophthalmic surgical laser system; utilizes pulsed Yb:YAG laser (1030 nm) for photodisruption and plasma-mediated ablation. Inputs: pre-operative clinical data; 3D-CSI imaging (Scheimpflug camera-based). Operation: surgeon-driven, computer-controlled scanner with F-theta lens; automated Iris Registration with cyclorotation adjustment; IntelliAxis markers for Toric IOL alignment. Outputs: precision capsulotomy; lens fragmentation; corneal incisions (arc, radial, pocket, flap, tunnels). Used in clinical settings by ophthalmologists. System provides graphical guidance and templates; surgeon confirms planning and positioning at each step. Benefits: automated precision control of incision size, architecture, and location; improved alignment for IOLs; standardized cataract fragmentation.
Clinical Evidence
No clinical data. Bench testing only. Porcine ex vivo eye models used to validate corneal tunnel depth accuracy, radial/arcuate incision depth, and incision quality. Endothelial cell density impact evaluated in previous studies. Hazard analysis performed for all changes.
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December 21, 2018
Lensar, Inc. Keith Peck Director, Quality Assurance 2800 Discovery Drive. Suite 100 Orlando, FL 32826
Re: K182795
Trade/Device Name: LENSAR Laser System - fs 3D (LLS-fs 3D) Regulation Number: 21 CFR 886.4390 Regulation Name: Ophthalmic Laser Regulatory Class: Class II Product Code: OOE Dated: September 28, 2018 Received: October 1, 2018
Dear Keith Peck:
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/cdrl/cfdocs/cfpmn/pmn.cfm identifies combination product submissions. The general controls provisions of the Act include requirements for annual registration, listing of devices, good manufacturing practice, labeling, and prohibitions against misbranding and adulteration. Please note: CDRH does not evaluate information related to contract liability warranties. We remind you, however, that device labeling must be truthful and not misleading.
If your device is classified (see above) into either class II (Special Controls) or class III (PMA), it may be subject to additional controls. Existing major regulations affecting your device can be found in the Code of Federal Regulations, Title 21, Parts 800 to 898. In addition, FDA may publish further announcements concerning your device in the Federal Register.
Please be advised that FDA's issuance of a substantial equivalence determination does not mean that FDA has made a determination that your device complies with other requirements of the Act or any Federal statutes and regulations administered by other Federal agencies. You must comply with all the Act's requirements, including, but not limited to: registration and listing (21 CFR Part 807); labeling (21 CFR Part
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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.
# Bradley S. Cunningham -S
for Malvina Eydelman, M.D. Director Division of Ophthalmic and Ear, Nose, and Throat Devices Office of Device Evaluation Center for Devices and Radiological Health
Enclosure
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# Indications for Use
510(k) Number (if known) K182795
Device Name LENSAR Laser System - fs 3D
### Indications for Use (Describe)
The LENSAR Laser System - fs 3D (LLS-fs 3D) with Streamline™ is an ophthalmic surgical laser indicated for use: · in the creation of an anterior capsulotomy;
- · in patients undergoing surgery requiring laser-assisted fragmentation of the cataractous lens;
- · in the creation of full and partial thickness single-plane arc cuts/incisions in the cornea;
- · in patients undergoing ophthalmic surgery or other treatments requiring pocket cuts/ incisions in the cornea;
- · in the creation of a corneal flap in patients undergoing treatment requiring initial lamellar resection of the cornea;
- · in patients undergoing surgery or other treatment requiring initial lamellar resection of the cornea to create tunnels for placement of corneal ring segments; and
- · in the creation of partial thickness single-plane radial cuts/incisions in the cornea.
Type of Use (Select one or both, as applicable)
| <div> <span style="text-decoration: overline;">☑</span> Prescription Use (Part 21 CER 801 Subpart D) </div> |
|---------------------------------------------------------------------------------------------------------------|
| <div> <span style="text-decoration: overline;">☐</span> Over-The-Counter Use (21 CER 801 Subpart C) </div> |
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# 510(K) SUMMARY
This 510(k) Summary has been prepared in accordance with the requirements of 21 CFR 807.92.
#### SUBMITTER INFORMATION 1.0
The submitter of this 510(k) Summary is:
| <b>Company:</b> | <b>Contact Person:</b> |
|----------------------------------------------------------------------|--------------------------------------------------------------|
| LENSAR, Inc.<br>2800 Discovery Drive, Suite 100<br>Orlando, FL 32826 | Keith Peck<br>(888) 575-6412 (Office<br>(407) 386-7228 (Fax) |
Summary Preparation Date: December 21, 2018
#### DEVICE INFORMATION 2.0
| | Trade/Proprietary Name: LENSAR Laser System - fs 3D (LLS-fs 3D) |
|-------------------------|-----------------------------------------------------------------|
| Common/Usual Name: | Ophthalmic Femtosecond Laser |
| Classification Name(s): | Ophthalmic Femtosecond Laser (21 CFR 886.4390) |
| Product Code(s): | OOE |
| Review Panel: | Ophthalmic |
| Regulatory Class: | II |
#### 3.0 PREDICATE DEVICE
The legally marketed (predicate) device to which LENSAR is claiming substantial equivalence to is:
| 510(k) Number | Device Name | Manufacturer |
|---------------|---------------------------------------------------------------------------------|--------------------------|
| K181430 | LENSAR Laser System - fs 3D (LLS-fs 3D)<br>(for use in radial cuts/incisions) | LENSAR, Inc. |
| K141476 | WaveLight® FS200 Laser System (for use in<br>tunnels for corneal ring segments) | Alcon Laboratories, Inc. |
#### 4.0 DEVICE DESCRIPTION
The LLS-fs 3D with Streamline™ is a medical device for use in ophthalmic surgery. The device utilizes a pulsed laser that can be used to cut a precision capsulotomy in the anterior lens capsule, to fragment the cataractous lens for removal during cataract surgery, and to create full and partial thickness single-plane and multi-plane arc cuts/incisions in the cornea, each of which may be performed either individually or consecutively during the same procedure. The device is also intended for use in the creation of pocket cuts/incisions in the cornea in patients undergoing ophthalmic surgery, in the creation of a corneal flap in patients undergoing treatment requiring
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initial lamellar resection of the cornea, and in patients undergoing surgery or other treatment requiring initial lamellar resection of the cornea to create tunnels for placement of corneal ring segments, each of which may only be performed individually. Additionally, the device is also intended for use in the creation of partial thickness single-plane radial cuts/incisions in the cornea which may be performed individually or consecutively with arcuate incisions.
Use of the laser provides automated precision control of the size of the capsular opening; the type and parameters of laser fragmentation treatment within the lens; the size, architecture, and location of full thickness incisions within the cornea; the size, architecture, location, depth, and quantity of partial thickness incisions within the cornea; and the size, architecture, and depth of pocket. flap, and tunnel cuts.
The LLS-fs 3D with Streamline™ includes the integration with pre-op analysis devices, automated Iris Registration with automatic cyclorotation adjustment, IntelliAxis-C™ (corneal) and IntelliAxis-L™ (lens) markers for simple alignment of Toric IOLs as well as treatment planning tools for precision-guided laser treatments.
#### 5.0 INDICATIONS FOR USE
The LENSAR Laser System – fs 3D (LLS-fs 3D) with Streamline™ is an ophthalmic surgical laser indicated for use:
- in the creation of an anterior capsulotomy; ●
- in patients undergoing surgery requiring laser-assisted fragmentation of the cataractous lens:
- . in the creation of full and partial thickness single-plane arc cuts/incisions in the cornea;
- in patients undergoing ophthalmic surgery or other treatments requiring pocket cuts/ incisions in the cornea;
- in the creation of a corneal flap in patients undergoing treatment requiring initial lamellar resection of the cornea;
- . in patients undergoing surgery or other treatment requiring initial lamellar resection of the cornea to create tunnels for placement of corneal ring segments; and
- in the creation of partial thickness single-plane radial cuts/incisions in the cornea
### COMPARISON OF TECHNOLOGICAL CHARACTERISTICS WITH THE 6.0 PREDICATE DEVICE
All elements of the proposed device remain unchanged from that cleared under K181430 except for the following technological difference:
- addition of a new indication for use in patients undergoing surgery or other treatments . requiring initial lamellar resection of the cornea to create tunnels for placement of corneal ring segments: and
- . addition of a new indication for the creation of partial thickness single-plane radial cuts/incisions in the cornea.
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Other changes unrelated to the requested change for the addition of the new indications are as follows:
- . allowing arcuate incisions that are currently cleared to be completed with the curved contact patient interface device (PID) that is already cleared;
- . the ability to manually adjust the location of the capsulotomy without compromising the safety limits to the iris that already exist; and
- . the ability to fragment the lens closer to the anterior capsule only within the boundaries of the capsulotomy diameter.
The following table provides a comparative between the proposed LLS-fs 3D laser device with the addition of the new indications and the predicate laser devices.
| Table 1: Summary of Technological Characteristics | | | |
|----------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| Characteristics | Proposed Device<br>LLS-fs 3D Laser System<br>510(k) K182795 | Predicate Device<br>(Radial Cuts/Incisions)<br>LLS-fs 3D Laser System<br>510(k) K181430<br>Cleared: 08/09/2018 | Predicate Device<br>(Tunnels for Corneal Ring<br>Segments)<br>WaveLight FS200 Laser System<br>510(k) K141476<br>Cleared: 09/30/2014 |
| Indication for<br>Use | The LENSAR Laser<br>System - fs 3D (LLS-fs<br>3D) with Streamline™ is<br>an ophthalmic surgical<br>laser indicated for use:<br>in the creation of an<br>anterior capsulotomy;in patients undergoing<br>surgery requiring<br>laser-assisted<br>fragmentation of the<br>cataractous lens;in the creation of full<br>and partial thickness<br>single-plane and multi-<br>plane arc cuts/<br>incisions in the<br>cornea;in patients undergoing<br>ophthalmic surgery or<br>other treatments<br>requiring pocket<br>cuts/incisions in the<br>cornea;in the creation of a<br>corneal flap in patients<br>undergoing treatment<br>requiring initial<br>lamellar resection of<br>the cornea; | The LENSAR Laser<br>System - fs 3D (LLS-fs<br>3D) with Streamline™ is<br>an ophthalmic surgical<br>laser indicated for use:<br>in the creation of an<br>anterior capsulotomy;in patients undergoing<br>surgery requiring<br>laser-assisted<br>fragmentation of the<br>cataractous lens;in the creation of full<br>and partial thickness<br>single-plane and multi-<br>plane arc cuts/<br>incisions in the<br>cornea;in patients undergoing<br>ophthalmic surgery or<br>other treatments<br>requiring pocket<br>cuts/incisions in the<br>cornea;in the creation of a<br>corneal flap in patients<br>undergoing treatment<br>requiring initial<br>lamellar resection of<br>the cornea. | The WaveLight FS200 Laser<br>System is an ophthalmic surgical<br>laser indicated for use:<br>In the creation of a corneal flap<br>in patients undergoing LASIK<br>surgery or other surgery or<br>treatment requiring initial<br>lamellar resection of the<br>cornea.In patients undergoing surgery<br>or other treatment requiring<br>initial lamellar resection of the<br>cornea to create tunnels for<br>placement of corneal ring<br>segments.In the creation of a lamellar<br>cut/resection of the cornea for<br>lamellar keratoplasty.In the creation of a penetrating<br>cut/incision for penetrating<br>keratoplasty and for corneal<br>harvesting.In patients undergoing<br>ophthalmic surgery or other<br>treatment requiring arcuate<br>cuts/ incisions in the cornea.In patients undergoing<br>ophthalmic surgery or other<br>treatment requiring pocket<br>cuts/ incisions in the cornea. |
| Table 1: Summary of Technological Characteristics | | | |
| Characteristics | Proposed Device<br>LLS-fs 3D Laser System<br>510(k) K182795 | Predicate Device<br>(Radial Cuts/Incisions)<br>LLS-fs 3D Laser System<br>510(k) K181430<br>Cleared: 08/09/2018 | Predicate Device<br>(Tunnels for Corneal Ring<br>Segments)<br>WaveLight FS200 Laser System<br>510(k) K141476<br>Cleared: 09/30/2014 |
| | in patients undergoing surgery or other treatment requiring initial lamellar resection of the cornea to create tunnels for placement of corneal ring segments; and in the creation of partial thickness single-plane radial cuts/incisions in the cornea. | | |
| Operating<br>Principle | Photodisruption and<br>plasma mediated ablation | Photodisruption and<br>plasma mediated ablation | Photodisruption and plasma<br>mediated ablation |
| Lens<br>Fragmentation<br>Removal | Provided by commercially<br>available separate<br>system of ultrasound;<br>irrigation/ aspiration | Provided by commercially<br>available separate<br>system of ultrasound;<br>irrigation/ aspiration | Provided by commercially<br>available separate system of<br>ultrasound; irrigation/ aspiration |
| Class/ Product<br>Code/<br>Regulation | Class II/ OOE/ 886.4390 | Class II/ OOE/ 886.4390 | Class II/ OOE/ 886.4390 |
| Patient Contact<br>Portion of<br>Device | Disposable<br>polycarbonate/ silicone<br>patient interface<br>accessory; suction ring<br>assembly | Disposable<br>polycarbonate/ silicone<br>patient interface<br>accessory; suction ring<br>assembly | Disposable patient contact<br>consumable accessory; suction<br>ring assembly and applanating<br>cone. |
| Sterilization<br>Method (patient<br>interface<br>accessory) | Gamma irradiation (not<br>including Curved Contact<br>PID) or Ethylene Oxide<br>(EO) | Gamma irradiation (not<br>including Curved Contact<br>PID) or Ethylene Oxide<br>(EO) | Ethylene Oxide (EO) |
| Laser Type | Yb:YAG | Yb:YAG | Nd:Glass* |
| Wavelength | 1030 nm | 1030 nm | 1030 nm |
| Pulsing | Mode-locked | Mode-locked | Mode-locked |
| Mode | Fundamental (TEM00) | Fundamental (TEM00) | Fundamental (TEM00) |
| Pulse Duration | $1.5 x10^{-12}$ sec | $1.5 x10^{-12}$ sec | $0.35 x 10^{-12}$ sec |
| Repetition Rate | 20-80 kHz, adjustable | 20-80 kHz, adjustable | 200 kHz |
| Maximum Pulse<br>Energy | 15 µJ | 15 µJ | 2.4 µJ |
| Maximum Peak<br>Power | 9 MW | 9 MW | 7 MW |
| Table 1: Summary of Technological Characteristics | | | |
| Characteristics | Proposed Device<br>LLS-fs 3D Laser System<br>510(k) K182795 | Predicate Device<br>(Radial Cuts/Incisions)<br>LLS-fs 3D Laser System<br>510(k) K181430<br>Cleared: 08/09/2018 | Predicate Device<br>(Tunnels for Corneal Ring<br>Segments)<br>WaveLight FS200 Laser System<br>510(k) K141476<br>Cleared: 09/30/2014 |
| Biometrics | Scheimpflug Camera-<br>based Imaging System<br>with 3D Confocal<br>Structured Illumination<br>(3D-CSI) | Scheimpflug Camera-<br>based Imaging System<br>with 3D Confocal<br>Structured Illumination<br>(3D-CSI) | Opto-Mechanical referencing |
| Beam Targeting<br>and Delivery | Computer-controlled<br>scanner with F-theta lens | Computer-controlled<br>scanner with F-theta lens | Computer-controlled scanner with<br>F-theta lens |
| Photodisruptive<br>Fluence<br>Threshold in<br>Lens Tissue | 4 J/cm² | 4 J/cm²…
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.