The NAV3i Platform is a computer workstation that, when used with specific Stryker Navigation surgical software, displays patient specific images and/or patient specific anatomical landmark information and tracks the position and movement of surgical instruments in relation to a target anatomical site on a patient. The clinical setting and target population for the NAV3i Platform is that of a patient undergoing a surgical procedure using stereotactic techniques.
Device Story
NAV3i Platform is a mobile computer workstation for intraoperative surgical navigation. It functions as a host for Stryker Navigation software modules. Input: infrared signals from LEDs on surgical instruments; patient-specific medical images (CT, microscope). Operation: active optical tracking via three linear sensors in a Navigation Camera; system calculates instrument position relative to anatomy. Output: real-time visualization of instrument position on a 32-inch monitor. Used in OR by surgeons/staff. Benefits: assists in high-precision surgical interventions. Features include integrated IO-Tablet with touch screen, RFID card reader for licensing, and LiveCam for camera positioning. Connectivity: Ethernet/WLAN for remote service access. System is non-sterile, placed outside the sterile field.
Clinical Evidence
No clinical data. Bench testing only, including accuracy testing per ASTM F2554-10, electrical safety per IEC 60601-1, usability/human factors engineering, and integration testing with various navigation software modules.
Technological Characteristics
Mobile cart with Windows PC, 32-inch flat screen monitor, and active optical navigation camera. Sensing: three linear sensors detecting infrared LEDs. Connectivity: Ethernet, WLAN, VNC remote access. Power: 100/240V AC with UPS. Standards: IEC 60601-1 (electrical safety), ASTM F2554-10 (positional accuracy), ASTM D 4169-09 (shipment).
Indications for Use
Indicated for patients undergoing surgical procedures requiring stereotactic techniques for instrument localization and anatomical visualization.
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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K130874
stryker®
Navigation
## SEP 2 7 2013
#### 510(k) Summary
A summary of 510(k) safety and effectiveness information in accordance with the requirements of 21 CFR 807.92.
#### 1. Contact Details
| Applicant Name: | Stryker Leibinger GmbH & Co. KG - Navigation |
|-------------------------|----------------------------------------------|
| | Boetzinger Strasse 41 |
| | D-79111 Freiburg, Germany |
| | Phone number: +49-761-4512117 |
| | Fax number: +49-761-451249117 |
| Registration No.: | 3007582679 |
| Name of Contact Person: | Lilian Eckert |
| | lilian.eckert@stryker.com |
| Date prepared: | 24 September 2013 |
### 2. Device Name
| Trade Name: | Stryker NAV3i Platform | | | | |
|-------------------------|----------------------------|-----------------------------------------|----------------------|-------|--------------|
| Common Name: | Navigation System Platform | | | | |
| Classification<br>Name: | Product Code | Device | Regulation<br>Number | Class | Review Panel |
| | Primary Code:<br>HAW | Neurologic<br>stereotaxic<br>instrument | 21 CFR<br>§882.4560 | II | Neurology |
| | Secondary<br>Code:<br>OLO | Orthopedic<br>stereotaxic<br>instrument | 21 CFR<br>§882.4560 | II | Orthopedic |
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#### 3. Legally Marketed Predicate Device
The legally marketed predicate device is the Cart I Platform (trade name: Stryker Navigation Cart) as cleared in K002732 Stryker Navigation System - ENT Module.
| 510(k) Number | Product Code Trade Name | | Manufacturer |
|---------------|---------------------------|-------------------------|---------------------------------------------------------------------------------------------|
| K002732 | HAW | Stryker Navigation Cart | Stryker Leibinger GmbH &<br>Co. KG<br>Boetzinger Strasse 41<br>D-79111 Freiburg,<br>Germany |
#### 4. Device Description
The Stryker NAV3i Platform is a modular component of the Stryker Navigation System and is intended to run Stryker Navigation surgical software for surgical procedures using stereotactic techniques. The surgical navigation software used on this device is cleared as a separate 510(k).
The Stryker Navigation System is a planning and intraoperative guidance system which assists in various surgical procedures. It allows for the localization of surgical instruments and visualization of their position relative to patient specific images and/or patient specific anatomical landmark information assisting the surgeon in performing the intervention at a high level of precision. For localization, active optical tracking based on infrared light is used. Using three linear sensors, the Navigation Camera detects signals from infrared light emitting diodes which are attached to the instruments to be localized.
The NAV3i Platform consists of a mobile cart, a computer system, a monitor and a Navigation Camera. During surgery, the placed close to the operating room table but not within the sterile field. Articulated arms allow for the alignment of the Navigation Camera and the monitor to the operative field. The NAV3i Platform features for entering medical images such as CT images or microscope images which are required for navigation. The computer is used to install and run Stryker Navigation Software. while the monitor conveys navigation information to the user.
There are two reasons for the traditional 510(k) submission. Firstly, it is intended to "unbundle" the clearance of the platform from the Stryker Navigation System as a whole. The predicate device submission included the platform as a component of the Stryker Navigation System -ENT Module. Secondly, some design modifications have been introduced to increase the user's comfort, to provide a more modern industrial design and to offer state-of-the-art technology for computer interfaces and components.
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#### 5. Indications for Use
The NAV3i Platform is a computer workstation that, when used with specific Stryker Navigation surgical software, displays patient specific images and/or patient specific anatomical landmark information and tracks the position and movement of surgical instruments in relation to a target anatomical site on a patient.
The clinical setting and target population for the NAV3i Platform is that of a patient undergoing a surgical procedure using stereotactic techniques.
#### 6. Substantial Equivalence Comparison
The indications for use of the subject device Stryker NAV3i Platform are equivalent to the predicate device Cart I Platform for the Stryker Navigation System. Furthermore, the technological characteristics of the modified NAV3i Platform are substantially equivalent to the original Cart I Platform. The differences in the technological characteristics do not raise new questions of safety and effectiveness. Consequently, the NAV3i Platform is substantially equivalent to the predicate device.
The following table gives an overview of the substantial equivalence reflecting all modifications being made between the predicate device and the subject device.
| Topic | Predicate Device | Subject Device | Equivalence assessment |
|--------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| LiveCam (USB<br>Video Camera) | LiveCam was not offered. | Built-in LiveCam allows for<br>easy positioning of the<br>Navigation Camera. | Equivalent:<br>This feature did not exist in<br>the predicate device but<br>does not alter the operating<br>principle nor is it affecting<br>the essential performance. |
| Monitor | The main monitor used by<br>the surgeon:<br>18 inch flat screen monitor<br>mounted on an articulated<br>arm. | The main monitor used by<br>the surgeon:<br>32 inch flat screen monitor<br>mounted on an articulated<br>arm. | Equivalent:<br>Changes do not affect the<br>technology or the operating<br>principle of the platform. |
| IO-Tablet | Contained mouse and<br>keyboard. | Mouse and touch screen<br>monitor with implemented<br>keyboard functionality are<br>integrated in the IO-Tablet,<br>IO-Tablet doubles as<br>operator's monitor for the<br>OR staff. | Equivalent:<br>Ergonomic improvements<br>by intuitive touch<br>functionality and state-of-<br>the-art technology for a<br>data input device do not<br>change the performance<br>specification. |
| Topic | Predicate Device | Subject Device | Equivalence assessment |
| Computer | Windows PC based on<br>Intel architecture.<br>Configured Windows NT<br>operating system. | Windows PC based on<br>Intel state of the art<br>architecture. Configured<br>Windows XP operating<br>system. | Equivalent:<br>Performance specification<br>changes due to additional<br>state of the art PC<br>interfaces and a new<br>version of the operating<br>system. |
| RFID Card<br>Reader for<br>licensing and<br>logistic reasons | Not existing. | RFID Card Reader for<br>single case licensing<br>integrated in the IO-Tablet. | Equivalent:<br>The addition of the RFID<br>Card Reader does not add<br>any performance features<br>and has no effect on the<br>essential performance of<br>the NAV3i Platform. |
| Network<br>connectivity | Connection type: Standard<br>Ethernet connection and<br>modem connection. | Connection type: Standard<br>Ethernet connection and<br>WLAN connection. | Equivalent:<br>The extended network<br>connectivity does not add<br>any performance features<br>in regards to the<br>indications for use of the<br>NAV3i Platform. |
| Remote<br>Service<br>Connectivity | Remote service access by<br>Virtual Network Computing<br>(VNC) remote desktop<br>service over network or<br>modem connection. | Remote service access is<br>offered by a remote access<br>client over Ethernet or<br>WLAN. | Equivalent:<br>This represents the same<br>technology for the remote<br>service access. |
| Navigation<br>Camera | Active optical<br>measurement system<br>localizing infrared light<br>emitting diodes (LED)<br>using three linear sensors<br>and a working space of<br>1.00 meter in diameter.<br>The system is<br>encapsulated in two<br>separate housings: the<br>camera and the localizer<br>computer. | Active optical<br>measurement system<br>localizing infrared light<br>emitting diodes (LED)<br>using three linear sensors<br>and a working space of<br>1.25 meter in diameter.<br>The system is<br>encapsulated in one<br>housing and is called<br>Navigation Camera. | Equivalent:<br>The modified design of the<br>Navigation Camera does<br>not impact the operating<br>principle, control<br>mechanism, technology or<br>energy source. Therefore,<br>the change does not affect<br>the essential performance<br>of the NAV3i Platform. |
| Topic | Predicate Device | Subject Device | Equivalence assessment |
| Power Supply | External power source:<br>AC Power supply, 120V,<br>50/60Hz including off-the-<br>shelf uninterruptible power<br>supply (UPS) for power<br>interruptions less than or<br>equal to 10 minutes. | External power source:<br>AC Power supply,<br>100/240V, 50/60Hz.<br>including off-the-shelf<br>uninterruptible power<br>supply (UPS) for power<br>interruptions less than or<br>equal to 6 minutes. | Equivalent:<br>The time difference does<br>not alter the operating<br>principle and does not<br>raise new safety or<br>effectiveness issues. |
| Articulated<br>arms | Weight balanced<br>articulated arms have the<br>monitor and localization<br>camera mounted.<br>Approximately 1000 mm<br>arms with three joints for<br>camera and monitor<br>movement are offered. | Same mechanical principal<br>of spring arms with the<br>same degrees of freedom.<br>Change in arm lengths:<br>monitor arm length is about<br>900 mm, Navigation<br>Camera arm length is<br>about 1300 mm. | Equivalent:<br>Improved ergonomics for<br>alignment and handling of<br>the Navigation Camera and<br>monitor in the OR space.<br>The operating principle of<br>the Platform is not affected. |
| Cart Housing | The Cart I Platform is<br>equipped with 4 castors<br>with brakes. The cart<br>housing contains the<br>computer, the computer<br>interfaces as well as the<br>two articulated arms<br>carrying the camera and<br>the monitor. | The NAV3i Platform is<br>equipped with 4 castors<br>with brakes and additional<br>cable guards. The cart<br>housing contains the<br>computer, the computer<br>interfaces as well as the<br>two articulated arms<br>carrying the Navigation<br>Camera and the monitor. | Equivalent:<br>The industrial design is<br>changed but the<br>mechanical structure and<br>functioning is similar. The<br>performance of the<br>platform is not changed<br>and no new safety and<br>effectiveness issues are<br>raised. |
| Dimensional<br>Specifications | Outer dimensions:<br>Length x Width x Height:<br>762 x 762 x 1880 mm<br>Weight: 249.5 kg | Outer dimensions:<br>Length x Width x Height:<br>960 x 720 x 1920 mm<br>Weight: 250 kg | Equivalent:<br>Only slight modifications<br>which do not impact the<br>performance of the Stryker<br>Navigation Platform and do<br>not raise new safety and<br>effectiveness issues. |
Table 1
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The following table gives an overview of all design features which remain the same between the predicate device and the subject device.
Table 2
| Design features which remain the same | |
|---------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| Control<br>mechanism | The Platform is controlled by a standard PC interface including mouse and keyboard<br>input functions and a display. In addition, the Stryker Navigation Application<br>Software can be remotely controlled by Stryker Smart Instruments over an infrared<br>communication interface. During surgery, the software is controlled via Stryker<br>Smart Instruments. |
| Operating<br>principle | The Platform runs Stryker Navigation Application Software on a Windows PC based<br>system. For patient data import and export, the Platform provides standard state-of-<br>the-art storage media and network interfaces. For video import the system provides<br>a standard state-of-the-art video interface to capture live video. The Platform offers<br>an active optical localization device, i.e. the Navigation Camera. The Navigation<br>Camera allows three-dimensional localization of the Stryker Smart Instruments<br>which are equipped with LEDs by detecting the position of the light center of each<br>infrared LED. |
| Movability | The Platform is equipped with four castors and is movable within a hospital. |
| General design | Both devices have articulated arms to carry the monitor and the camera and have a<br>housing body to carry a Windows-based computer. |
| Microscope<br>data interface | Both platform models encompass a microscope data interface. |
The modifications do not alter the basic technology, do not raise any new issues regarding safety and effectiveness and support substantial equivalence of the subject device.
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#### 7. Non-clinical Testing
Validation activities, including usability testing, have been conducted to provide assurance that the device meets the performance requirements under the indications for use conditions. In addition, verification tests, such as electrical safety acc. to IEC 60601-1, have been performed to show that the device is safe and effective. The following table contains a complete list of all tests performed to support substantial equivalence, gives a basic description of the test procedure in the column "Basic description" and the conclusion or results obtained from the test in the column "Conclusion/Result".
| Test | Basic description | Conclusion/Result |
|---------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------|
| User Need<br>Validation | Scope of the test is to validate the Indications For Use and the<br>user needs of the NAV3i Platform under simulated use case<br>situations. | Validation<br>successful, all user<br>needs met |
| Human<br>Factors<br>Engineering<br>(HFE) | This test is conducted to validate the NAV3i Platform with<br>respect to use errors following the FDA guidance paper Draft<br>Guidance for Industry and Food and Drug Administration Staff.<br>Applying Human Factors and Usability Engineering to Optimize<br>Medical Device Design. | Validation<br>successful, device<br>safe and effective<br>with respect to use<br>errors |
| Safety Test<br>regarding<br>risk analysis | Implementation and effectiveness of all risk control measures<br>specified in the NAV3i Platform risk analysis are tested and<br>verified. | Risk Control<br>measures are<br>effective and<br>mitigate the<br>associated risks |
| Product<br>Safety Test<br>regarding<br>medical<br>electrical<br>equipment | Compliance with AAMI/ANSI ES60601-1:2005/A1:2012 for<br>medical electrical equipment is tested.<br>Part 1: General requirements for basic safety and essential<br>performance<br>Part 1-2: General requirements for basic safety and essential<br>performance - Collateral standard: Electromagnetic<br>compatibility - Requirements and tests | Compliance with<br>standards'<br>requirements<br>demonstrated, no<br>deviations |
| Accuracy<br>Test | The Stryker Navigation System's accuracy is tested using the<br>NAV3i Platform, a Stryker Navigation Software Application,<br>Smart Instruments and Accessories following the ASTM<br>F2554-10 Standard Practice for Measurement of Positional<br>Accuracy of Computer Assisted Surgical Systems. | All accuracy<br>specifications met<br>with statistical<br>significance |
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| Test | Basic Description | Conclusion/ Result |
|--------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------|
| Integration<br>Tests with<br>Stryker<br>Navigation<br>Software<br>Applications | The NAV3i Platform is restricted to operation with Stryker<br>Navigation Software Application Modules only. To demonstrate<br>compatibility of the NAV3i Platform with existing Application<br>Modules, integration tests have been performed. The<br>integration of SpineMap 3D Navigation, OrthoMap 3D<br>Navigation, Versatile Hip Navigation, Express Knee<br>Navigation, Precision Knee Navigation, Fluoro Navigation,<br>FluoroMap Navigation and CranialMap Navigation Software<br>Application Modules has been tested with the NAV3i Platform<br>according to Design Input requirements under simulated<br>clinical use conditions. | All Application<br>Modules meet<br>specifications on<br>NAV3i Platform as<br>on previous<br>platforms |
| Startup<br>Reliability | Tested NAV3i Platform start up reliability over lifetime including<br>Stryker Navigation Software Application Modules across<br>multiple usages. The number of test samples and test runs<br>required to simulate reliability over lifetime was defined using<br>statistical methods. | Device electronically<br>reliable over the<br>specified lifetime |
| Robustness<br>for every day<br>use | Tested NAV3i Platform robustness by simulating transport<br>inside hospital and intraoperative use over lifetime. The<br>number of test samples and test runs required to simulate<br>reliability over lifetime was defined using statistical methods. | Device mechanically<br>robust over the<br>specified lifetime |
| Shipment<br>Test | Test of shipment conditions of the NAV3i Platform in transport<br>cases was performed according to ASTM D 4169-09. | Device fully<br>functional after<br>shipment |
All non-clinical tests successfully passed demonstrating that the subject device performs as safely and effectively as the predicate device and supporting substantial equivalence.
#### 8. Clinical Testing
No clinical testing has been conducted.
#### 9. Conclusions
The conclusions drawn from the nonclinical tests demonstrate that the NAV3i Platform performs as safely and effectively as the legally marketed device identified in section 3. According to the comparison based on the requirements of 21 CFR 807.87 and the information provided herein, it is concluded that the NAV3i Platform is substantially equivalent to the predicate device with respect to its indications for use, technological characteristics and performance characteristics.
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Image /page/8/Picture/0 description: The image shows the logo for the Department of Health & Human Services - USA. The logo is a circular seal with the words "DEPARTMENT OF HEALTH & HUMAN SERVICES - USA" around the perimeter. Inside the circle is an abstract image of an eagle.
#### DEPARTMENT OF HEALTH & HUMAN SERVICES
Public Health Service
Food and Drug Administration 10903 New Hampshire Avenue Document Control Center - WO66-G609 Silver Spring, MD 20993-0002
September 27, 2013
Stryker Navigation Ms. Lilian Eckert Senior Regulatory Affairs Specialist Boetzinger Strasse 41 Freiburg. Baden-Wuerttemberg 79111 Germany
Rc: K130874
Trade/Device Name: NAV3i Platform Regulation Number: 21 CFR 882.4560 Regulation Name: Neurologic Stereotaxic Instrument Regulatory Class: Class II Product Code: HAW, OLO Dated: August 26, 2013 Received: August 28. 2013
Dear Ms. Eckert:
We have reviewed your Section 510(k) premarket notification of intent to market the device referenced above and have determined the device is substantially equivalent (for the indications for use stated in the enclosure) to legally marketed predicate devices marketed in interstate commerce prior to May 28, 1976, the enactment date of the Medical Device Amendments, or to devices that have been reclassified in accordance with the provisions of the Federal Food, Drug, and Cosmetic Act (Act) that do not require approval of a premarket approval application (PMA). You may, therefore, market the device. subject to the general controls provisions of the Act. The general controls provisions of the Act include requirements for annual registration. Issing of devices, good manufacturing practice. labeling, and prohibitions against misbranding and adulteration. Please note: CDRH docs 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 (sec above) into cither class II (Special Controls) or class III (PMA), it may be subject to additional controls. Existing major regulations affecting your device can be found in the Code of Federal Regulations. Title 21. Parts 800 to 898. In addition, FDA may publish further announcements concerning your device in the Federal Register.
Please be advised that FDA 's issuance of a substantial equivalence determination does not mean that FDA has made a determination that your device complies with other requirements of the Act or any Federal statutes and regulations administered by other Federal agencies. You must comply with all the Act's requirements, including, but not limited to: registration and listing (21 CFR Part 807); labeling (21 CFR Part 801); medical device reporting of medical device-related adverse events) (21 CFR 803); good manufacturing practice requirements as set
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Page 2 - Ms. Eckert
forth in the quality systems (QS) regulation (21 CFR Part 820); and if applicable, the electronic product radiation control provisions (Sections 531-542 of the Act); 21 CFR 1000-1050.
If you desire specific advice for your device on our labeling regulation (21 CFR Part 801), please contact the Division of Small Manufacturers. International and Consumer Assistance at its tollfree number (800) 638-2041 or (301) 796-7100 or at its Internet address
http://www.fda.gov/MedicalDevices/Resources/orYou/Industrv/default.htm. Also, please note the regulation entitled, "Misbranding by reference to premarket notification" (21CFR 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/Safetv/ReportalProblem/default.htm for the CDRH's Office of Surveillance and Biometrics/Division of Postmarket Surveillance.
You may obtain other general information on your responsibilities under the Act from the Division of Small Manufacturers. International and Consumer Assistance at its toll-free number (800) 638-2041 or (301) 796-7100 or at its Internet address http://www.fda.gov/MedicalDevices/ResourcesforYou/Industry/default.htm.
Sincerely yours.
# Joyce M. Whang -S
for Victor Krauthamer, Ph.D. Acting Director Division of Neurological and Physical Medicine Devices Office of Device Evaluation Center for Devices and Radiological Health
Enclosure
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## Indications for Use
510(k) Number (if known):
Device Name: Styker NAV3i Platform
Indications For Use:
The NAV3i Platform is a computer workstation that, when used with specific Stryker Navigation surgical software, displays patient specific images and/or patient specific anatomical landmark information and tracks the position and movement of surgical instruments in relation to a target anatomical site on a patient.
The clinical setting and target population for the NAV3i Platform is that of a patient undergoing a surgical procedure using stereotactic techniques.
Prescription Use X (Part 21 CFR 801 Subpart D) AND/OR
Over-The-Counter Use (21 CFR 801 Subpart C)
(PLEASE DO NOT WRITE BELOW THIS LINE-CONTINUE ON ANOTHER PAGE IF NEEDED)
Concurrence of CDRH, Office of Device Evaluation (ODE)
| Joyce M. Whang -S |
|-------------------|
|-------------------|
Division Sign Off) Division of Neurological and Physical Medicine Devices (DNPMD)
K130874 510(k) Number __
Page 1 of 1
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.