The Astral 100/150 provides continuous or intermittent ventilatory support for patients weighing more than 5kg (11 lb) who require mechanical ventilation. The iVAPS mode is intended for patients weighing more than 66lb (30kg). The Astral device is intended to be used in home, institution/hospital and portable applications for both invasive and non-invasive ventilation.
Device Story
Astral 100/150 is a microprocessor-controlled continuous ventilator. It uses a blower, valves, and pressure/flow sensors to regulate air delivery to patients via single or double-limb breathing circuits. It supports various modes including Assist/Control, SIMV, CPAP, and iVAPS (Volume Assured Pressure Support). The device is operated by clinicians or patients in home, hospital, or portable environments. It features a user interface for parameter adjustment and data display, and includes integrated battery and external power options. The iVAPS mode automatically adjusts pressure support to meet a preset alveolar minute volume target. Output includes therapeutic and technical alarms and monitored clinical data. The device assists breathing, potentially benefiting patients with respiratory insufficiency by ensuring adequate ventilation.
Clinical Evidence
No clinical data. Substantial equivalence is supported by non-clinical bench testing, including verification of ventilation control parameters, waveform performance, trigger reliability, alarm verification, and electrical safety/EMC testing.
Technological Characteristics
Microprocessor-controlled blower; software-based pressure, flow, and time regulation. Materials include TPU, PC, PP, silicone, and aluminum. Connectivity includes AC/DC power and internal battery. Complies with IEC 60601-1, IEC 60601-1-2, ISO 10651-2, and ASTM F 1246-91.
Indications for Use
Indicated for patients >5kg requiring continuous or intermittent mechanical ventilation; iVAPS mode indicated for patients >30kg. Used in home, hospital, and portable settings for invasive and non-invasive ventilation.
Regulatory Classification
Identification
A continuous ventilator (respirator) is a device intended to mechanically control or assist patient breathing by delivering a predetermined percentage of oxygen in the breathing gas. Adult, pediatric, and neonatal ventilators are included in this generic type of device.
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Food and Drug Administration 10903 New Hampshire Avenue Document Control Center - WO66-G609 Silver Spring, MD 20993-0002
May 13, 2016
ResMed Ltd. % Larissa D'Andrea Director, Regulatory Government Affairs ResMed Corp 9001 Spectrum Center Boulevard San Diego, California 92123
Re: K152068
Trade/Device Name: Astral 100/150 Regulation Number: 21 CFR 868.5895 Regulation Name: Continuous Ventilator Regulatory Class: Class II Product Code: CBK, NOU Dated: March 18, 2016 Received: March 23, 2016
Dear Ms. D'andrea:
We have reviewed your Section 510(k) premarket notification of intent to market the device referenced above and have determined the device is substantially equivalent (for the indications for use stated in the enclosure) to legally marketed predicate devices marketed in interstate commerce prior to May 28, 1976, the enactment date of the Medical Device Amendments, or to devices that have been reclassified in accordance with the provisions of the Federal Food, Drug, and Cosmetic Act (Act) that do not require approval of a premarket approval application (PMA). You may, therefore, market the device, subject to the general controls provisions of the Act. The general controls provisions of the Act include requirements for annual registration. listing of devices, good manufacturing practice, labeling, and prohibitions against misbranding and adulteration. Please note: CDRH does not evaluate information related to contract liability warranties. We remind you, however, that device labeling must be truthful and not misleading.
If your device is classified (see above) into either class II (Special Controls) or class III (PMA), it may be subject to additional controls. Existing major regulations affecting your device can be found in the Code of Federal Regulations, Title 21, Parts 800 to 898. In addition, FDA may publish further announcements concerning your device in the Federal Register.
Please be advised that FDA's issuance of a substantial equivalence determination does not mean that FDA has made a determination that your device complies with other requirements of the Act or any Federal statutes and regulations administered by other Federal agencies. You must comply with all the Act's requirements, including, but not limited to: registration and listing (21 CFR Part 807); labeling (21 CFR Part 801); medical device reporting (reporting of medical devicerelated adverse events) (21 CFR 803); good manufacturing practice requirements as set forth in
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the quality systems (OS) 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 Industry and Consumer Education at its toll-free number (800) 638-2041 or (301) 796-7100 or at its Internet address
http://www.fda.gov/MedicalDevices/ResourcesforYou/Industry/default.htm. Also, please note the regulation entitled, "Misbranding by reference to premarket notification" (21 CFR Part 807.97). For questions regarding the reporting of adverse events under the MDR regulation (21 CFR Part 803), please go to
http://www.fda.gov/MedicalDevices/Safety/ReportaProblem/default.htm for the CDRH's Office of Surveillance and Biometrics/Division of Postmarket Surveillance.
You may obtain other general information on your responsibilities under the Act from the Division of Industry and Consumer Education at its toll-free number (800) 638-2041 or (301) 796-7100 or at its Internet address
http://www.fda.gov/MedicalDevices/ResourcesforYou/Industry/default.htm.
Sincerely yours,
**Tejashri Purohit-Sheth, M.D.**
Tejashri Purohit-Sheth, M.D. Clinical Deputy Director DAGRID/ODE/CDRH FOR
Erin I. Keith, M.S. Director Division of Anesthesiology, General Hospital. Respiratory. Infection Control, and Dental 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: Astral 100/150
#### Indications for Use:
The Astral 100/150 provides continuous or intermittent ventilatory support for patients weighing more than 5kg (11 lb) who require mechanical ventilation.
The iVAPS mode is intended for patients weighing more than 66lb (30kg).
The Astral device is intended to be used in home, institution/hospital and portable applications for both invasive and non-invasive ventilation.
Prescription Use _____________________________________________________________________________________________________________________________________________________________
AND/OR
Over-The-Counter Use
(Part 21 CFR 801 Subpart D)
(Part 21 CFR 807 Subpart C)
(PLEASE DO NOT WRITE BELOW THIS LINE – CONTINUE ON ANOTHER PAGE IF NEEDED)
Concurrence of CDRH; Office of Device Evaluation (ODE)
Page __ of __
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# 510(k) Summary – Astral 100/150
| Date prepared | 22 April, 2016 |
|-----------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| Submitter | Peter Jennings<br>Senior Regulatory Affairs Manager |
| Official contact | Larissa D'Andrea<br>Director, Regulatory Government Affairs<br>ResMed Corp.<br>9001 Spectrum Center Blvd.,<br>San Diego CA 92123<br>USA<br>Tel: +1 858-836-6837<br>Fax: +1 858-836-5519 |
| Proprietary name | Astral 100/150 |
| Common name | Continuous ventilator |
| Classification | 21 CFR 868.5895<br>Primary product code CBK<br>Secondary product code NOU<br>Class II<br>Ventilator, continuous, facility use |
| Predicate Devices | ResMed Astral 100/150 (K133868) |
| Reference Device | Respironics Trilogy 200 (K093416) |
| Reason for submission | New device |
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#### Indication for Use
The Astral 100/150 provides continuous or intermittent ventilatory support for patients weighing more than 11lb (5kg) who require mechanical ventilation.
The iVAPS mode is intended for patients weighing more than 66lb (30kg).
The Astral device is intended to be used in home, institution/hospital and portable applications for both invasive and non-invasive ventilation.
#### Device Description
The Astral ventilator system uses a micro-processor controlled blower, which, along with valves and pressure and flow sensors, achieves pressure, flow and time regulation of air is directed to the patient via one of three ventilator breathing circuit, single circuit with expiratory valve, or single circuit with intentional leak. Supplemental oxygen can be entrained at the main turbine. The device provides both therapeutic alarms (e.g. tidal volume) and technical alarms (e.g. system fault), and a user interface allowing adjustment of clinical parameters and display of monitored clinical data. The Astral can use external AC or DC power supply and contains an integrated battery.
The Astral is capable of providing the following types of ventilatory support:
- -Assist/Control and SIMV with either volume or pressure control
- -Continuous Spontaneous Ventilation in either Pressure Support or CPAP
- -Volume Assurance and Apnea Ventilation
#### Substantial Equivalence
The Astral has the following similarities to the previously cleared predicate devices:
- -Same intended use
- -Same scientific technology
- -Same operating principle
There is no change to the intended use, scientific technology, operating principle and manufacturing process from the primary predicate device Astral 100/150 (K133868). The main change is the addition of iVAPS therapy mode As with AVAPS mode on the reference device Trilogy 200 (K093416). iVAPS is a Volume Assured Pressure Support therapy mode which adjusts pressure support to meet a preset ventilation target. As with AVAPS mode on Trilogy 200, iVAPS on Astral 100/150 is for a restricted patient weight within the continuous or intermittent ventilator support indication. Otherwise the modified Astral has changes to the main PCBA enabling addition of an alternate external battery and alternate AC power supplies.
A comparative summary of the technological characteristics of the Astral device with the primary predicate and reference devices is presented below.
| Characteristic | Astral 100/150<br>(new device) | Astral 100/150<br>(K133868) | Trilogy 200<br>(K093416) | Comparison |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| Product Code | CBK, NOU | CBK, NOU | CBK | Substantially<br>Equivalent |
| Intended Use | Continuous or<br>intermittent<br>ventilatory support | Continuous or<br>intermittent<br>ventilatory support | Continuous or<br>intermittent<br>ventilatory support | Substantially<br>Equivalent<br>Same Intended<br>Use. and<br>equivalent<br>patient<br>population as<br>AVAPS on<br>Trilogy |
| | Invasive & non-<br>invasive | Invasive & non-<br>invasive | Invasive & non-<br>invasive | |
| | Adult and<br>Pediatric (>5kg),<br>iVAPS (>30kg) | Adult and<br>Pediatric (>5kg) | Adult and<br>Pediatric (>5kg),<br>AVAPS (adult) | |
| | Home, institution/<br>hospital, &<br>portable | Home, institution/<br>hospital, &<br>portable | Home, institution/<br>hospital, &<br>portable | |
| Intended Patient<br>Population | Patients who<br>require<br>mechanical<br>ventilation<br>(Continuous or<br>intermittent<br>ventilatory<br>support) | Patients who<br>require<br>mechanical<br>ventilation<br>(Continuous or<br>intermittent<br>ventilatory<br>support) | Patients who<br>require<br>mechanical<br>ventilation<br>(Continuous or<br>intermittent<br>ventilatory<br>support) | Substantially<br>Equivalent<br>Intended Patient<br>Population is<br>the same as the<br>predicate, , and<br>equivalent<br>patient<br>population as<br>AVAPS on<br>Trilogy) |
| | Adult and<br>Pediatric (>5kg),<br>iVAPS (>30kg) | Adult and<br>Pediatric (>5kg) | Adult and<br>Pediatric (>5kg),<br>AVAPS (adult) | |
| Therapy Modes | | | | |
| VC-CMV mode<br>(Volume Control<br>- Continuous<br>Mandatory<br>Ventilation) | ACV<br>Patient or time<br>triggered. | ACV<br>Patient or time<br>triggered. | CV, AC<br>Patient or time<br>triggered. | Substantially<br>Equivalent<br>Astral<br>implementation<br>is unchanged |
| PC-CMV mode<br>(Pressure Control<br>- Continuous<br>Mandatory<br>Ventilation) | PACV<br>Patient or time<br>triggered. | PACV<br>Patient or time<br>triggered. | T, PC<br>Patient or time<br>triggered. | Substantially<br>Equivalent<br>Astral<br>implementation<br>is unchanged |
| V-SIMV<br>(Volume -<br>Intermittent<br>Mandatory<br>Ventilation) | V-SIMV<br>Mandatory<br>breaths (tidal<br>volume) may be<br>time triggered or<br>patient triggered.<br>Spontaneous<br>breaths are<br>pressure support. | V-SIMV<br>Mandatory<br>breaths (tidal<br>volume) may be<br>time triggered or<br>patient triggered.<br>Spontaneous<br>breaths are<br>pressure support. | SIMV<br>Mandatory<br>breaths (tidal<br>volume) may be<br>time triggered or<br>patient triggered.<br>Spontaneous<br>breaths are<br>pressure support. | Substantially<br>Equivalent<br>Astral<br>implementation<br>is unchanged |
| P-SIMV<br>(Pressure -<br>Intermittent<br>Mandatory<br>Ventilation) | P-SIMV<br>Mandatory<br>breaths (set<br>pressure) may be<br>time triggered or<br>patient triggered.<br>Spontaneous<br>breaths are<br>pressure support. | P-SIMV<br>Mandatory<br>breaths (set<br>pressure) may be<br>time triggered or<br>patient triggered.<br>Spontaneous<br>breaths are<br>pressure support. | PC-SIMV<br>Mandatory<br>breaths (set<br>pressure) may be<br>time triggered or<br>patient triggered.<br>Spontaneous<br>breaths are<br>pressure support. | Substantially<br>Equivalent<br>Astral<br>implementation<br>is unchanged |
| CSV<br>(Continuous<br>Spontaneous<br>Ventilation) | PS (valved) & ST<br>(intentional leak)<br>Patient<br>(Spontaneous)<br>and Time | PS (valved) & ST<br>(intentional leak)<br>Patient<br>(Spontaneous)<br>and Time | S, S/T & T<br>Patient<br>(Spontaneous)<br>and Time<br>(Mandatory via | Substantially<br>Equivalent<br>Astral<br>implementation<br>is unchanged |
| | | | | |
| | (Mandatory via<br>Breathing<br>Frequency)<br>triggered. All<br>breaths can be<br>patient or time<br>terminated. | (Mandatory via<br>Breathing<br>Frequency)<br>triggered. All<br>breaths can be<br>patient or time<br>terminated. | (Breath Rate)<br>triggered. Breaths<br>can be patient or<br>time (Mandatory<br>breath duration is<br>set inspiratory<br>time) cycled. | |
| | CPAP<br>Constant positive<br>pressure | CPAP<br>Constant positive<br>pressure | CPAP<br>Constant positive<br>pressure | Substantially<br>Equivalent<br>Astral<br>implementation<br>is unchanged |
| | PAC<br>Patient<br>(Spontaneous)<br>and Time<br>(Mandatory via<br>Breathing<br>Frequency)<br>triggered. All<br>breaths time<br>cycled. | PAC<br>Patient<br>(Spontaneous)<br>and Time<br>(Mandatory via<br>Breathing<br>Frequency)<br>triggered. All<br>breaths time<br>cycled. | PC, S & T<br>Patient<br>(Spontaneous or<br>"assist") and Time<br>(Mandatory via<br>Breath Rate)<br>triggered. All<br>breaths time<br>cycled (or can be<br>configured to be). | Substantially<br>Equivalent<br>Astral<br>implementation<br>is unchanged |
| Volume<br>Assurance<br>(Adaptive control<br>mechanism that<br>can introduce a<br>degree of volume<br>assurance to<br>pressure-control/<br>pressure-support<br>modes) | iVAPS<br>Breath by breath<br>control of<br>pressure support<br>within given limits,<br>to achieve an<br>alveolar minute<br>volume target.<br>Indications:<br>Patients > 66 lbs<br>(30 kg).<br><br>SV (Safety<br>Volume)<br>Breath by breath<br>control of<br>pressure support<br>within given limits,<br>to achieve a tidal<br>volume target. | SV (Safety<br>Volume)<br>Breath by breath<br>control of<br>pressure support<br>within given limits,<br>to achieve a tidal<br>volume target. | AVAPS<br>Breath by breath<br>control of<br>pressure support<br>within given limits,<br>to achieve a tidal<br>volume target.<br>Indications: Adult<br>patients | Substantially<br>Equivalent to<br>Trilogy K093416<br>for iVAPS<br>implementation.<br>All modes<br>adjust the<br>pressure<br>support, within<br>practitioner-<br>determined<br>limits, to meet<br>the preset<br>ventilation<br>target. |
| Supplementary<br>Features | Sigh<br>Apnea Ventilation<br>Manual Breath | Sigh<br>Apnea Ventilation<br>Manual Breath | Sigh<br>Apnea Ventilation | Substantially<br>Equivalent<br>Astral<br>implementation<br>is unchanged |
| Ventilation<br>Control<br>Parameters | | | | |
| Pressure Range<br>[cmH20] | IPAP: 4-50<br>EPAP: 2-25 s<br>CPAP: 3-20<br>PEEP: Off, 3 to 20 | IPAP: 4-50<br>EPAP: 2-25 s<br>CPAP: 3-20<br>PEEP: Off, 3 to 20 | IPAP: 4-50<br>EPAP: 0-25<br>CPAP: 4-20 | Substantially<br>Equivalent |
| | Accuracy: ±(0.5 | Accuracy: ±(0.5 | Accuracy: greater | |
| | + 5% of target) | + 5% of target) | of 2cmH2O or 8%<br>of setting | |
| Tidal Volume<br>[mL] | 100-2500 (adult)<br>50-500 (pediatric) | 100-2500 (adult)<br>50-500 (pediatric) | 50-2000 | Substantially<br>Equivalent |
| | Accuracy ± 12 ml<br>or 10% whichever<br>is greater. (Valved<br>Circuits) | Accuracy ± 12 ml<br>or 10% whichever<br>is greater. (Valved<br>Circuits) | Accuracy: greater<br>of 15mL or 10% of<br>setting (Active<br>Circuits) | |
| Respiratory Rate<br>(Breathing<br>Frequency)<br>[bpm] | 2-50 (adult)<br>5-80 (pediatric)<br>Accuracy ±2% | 2-50 (adult)<br>5-80 (pediatric)<br>Accuracy ±2% | 1-60<br>Accuracy ±1 bpm<br>or 10% of setting | Substantially<br>Equivalent |
| Rise Time | Min-900 msec | Min-900 msec | 1-6 (nominal<br>values) | Substantially<br>Equivalent |
| Timed Inspiration | 0.2 to 5 seconds<br>Accuracy ±(20 ms<br>+5% of setting) | 0.2 to 5 seconds<br>Accuracy ±(20 ms<br>+5% of setting) | 0.3 to 5 seconds<br>Accuracy ±100ms | Substantially<br>Equivalent |
| Sensitivity | Inspiratory<br>Flow controlled<br>0.5 to 15l/min | Inspiratory<br>Flow controlled<br>0.5 to 15l/min | Inspiratory &<br>Expiratory<br>Flow controlled | Substantially<br>Equivalent |
| Technology &<br>Design | | | | |
| Operating<br>Principle | Micro-processor<br>controlled blower<br>as air source | Micro-processor<br>controlled blower<br>as air source | Micro-processor<br>controlled blower<br>as air source | Substantially<br>Equivalent<br>Same operating<br>principle |
| Technology | Software based<br>pressure, flow and<br>time regulation<br>with secondary<br>volume target | Software based<br>pressure, flow and<br>time regulation<br>with secondary<br>volume target | Software based<br>pressure, flow and<br>time regulation<br>with secondary<br>volume target | Substantially<br>Equivalent<br>Same<br>technology |
| Material contact<br>status | Permanent<br>contact duration,<br>indirect dry air-<br>path patient-<br>contacting<br>materials | Permanent<br>contact duration,<br>indirect dry air-<br>path patient-<br>contacting<br>materials | Permanent<br>contact duration,<br>indirect dry air-<br>path patient-<br>contacting<br>materials | Substantially<br>Equivalent<br>Status<br>unchanged from<br>K133868 |
| Materials | Various materials,<br>including:<br>• Thermoplastic<br>Polyurethane<br>(TPU)<br>• Polycarbonate<br>(PC) and PC<br>blends<br>• Polypropylene<br>(PP)<br>• Silicone<br>• Aluminium | Various materials,<br>including:<br>• Thermoplastic<br>Polyurethane<br>(TPU)<br>• Polycarbonate<br>(PC) and PC<br>blends<br>• Polypropylene<br>(PP)<br>• Silicone<br>• Aluminium | Proprietary<br>information | Substantially<br>Equivalent<br>Materials<br>unchanged from<br>K133868 |
| Circuit Interfaces | Vented & Non-<br>vented | Vented & Non-<br>vented | Vented & Non-<br>vented | Substantially<br>Equivalent |
| | Invasive & Non-<br>invasive | Invasive & Non-<br>invasive | Invasive & Non-<br>invasive | |
| Circuit Types | Double limb<br>Single limb with<br>expiratory valve<br>Single limb with<br>intentional leak | Double limb<br>Single limb with<br>expiratory valve<br>Single limb with<br>intentional leak | Single limb with<br>expiratory valve<br>with proximal flow<br>& pressure<br>sensing<br>Single limb with<br>expiratory valve<br>Single limb with<br>intentional leak | Substantially<br>Equivalent<br>Same circuit<br>types |
| User Interface | LCD screen, keys<br>& LED indicators | LCD screen, keys<br>& LED indicators | LCD screen, hard<br>keys & LED<br>indicators | Substantially<br>Equivalent |
| Power | AC, DC, &<br>Internal battery | AC, DC, &<br>Internal battery | AC, DC, &<br>Internal battery | Substantially<br>Equivalent |
| System<br>Components | Ventilator<br>Mask, invasive<br>patient interface<br>Air tubing, air<br>filter, optional<br>antibacterial filter<br>Optional external<br>humidifier or HME | Ventilator<br>Mask, invasive<br>patient interface<br>Air tubing, air<br>filter, optional<br>antibacterial filter<br>Optional external<br>humidifier or HME | Ventilator<br>Mask, invasive<br>patient interface<br>Air tubing, air<br>filter, optional<br>antibacterial filter<br>Optional external<br>humidifier or HME | Substantially<br>Equivalent |
| Supplemental<br>Oxygen | Labeled for use<br>with supplemental<br>oxygen<br>Optional oxygen<br>sensor | Labeled for use<br>with supplemental<br>oxygen<br>Optional oxygen<br>sensor | Labeled for use<br>with supplemental<br>oxygen | Substantially<br>Equivalent |
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### Non-Clinical Performance Data
Design and Verification activities were performed on the Astral as a result of the risk analysis and product requirements. Performance testing included:
- accuracy of ventilation, ●
- . volume & pressure controls and monitoring,
- waveform performance (flow, pressure, volume), ●
- accuracy and repeatability of triggering and cycling, .
- endurance and environmental testing,
- alarms verification.
All tests confirmed the product met the predetermined acceptance criteria. In particular non-clinical sideby-side performance testing was performed for the new therapy mode. Characteristics tested included flow, pressure and volume waveforms, ventilation control parameter accuracy, and patient trigger reliability and synchrony. As the new device included electrical changes, testing included updated third party test reports to IEC 60601-1:2005 and IEC 60601-1-2:2007 (+ additional ESD & EMI to IEC 60601-1-2 Ed 4.0). There was no change to cleaning procedures or materials from the predicate device so no additional testing was conducted in these areas. This suite of tests supports the claim that the Astral is substantially equivalent to the predicate device.
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Human Factors/Usability Engineering evaluations were performed on the Astral in order to mitigate risks associated with users performing tasks incorrectly or failing to perform tasks which could result in serious harm. Human Factors/Usability Engineering testing was performed for the clearance of the predicate Astral device (K133868). Additional Human Factors/Usability Engineering testing was performed for iVAPS implementation, disconnection alarm and external battery.
The Astral was designed and tested in accordance with the applicable requirements in relevant FDA quidance documents and international standards including:
- FDA Guidance for the Content of Premarket Submissions for Software Contained in Medical -Devices (May 11, 2005)
- ASTM F 1246-91 (2005) Standard Specification for Electrically Powered Home Care Ventilators -
- -ISO 10651-2:2004. Lung ventilators for medical use - Part 2: Home care ventilators for ventilatordependent patients
- IEC 60601-1:2005 Medical electrical equipment. Part 1: General requirements for basic safety and essential performance.
- -IEC 60601-1-2:2007, Medical electrical equipment - Part 1-2: Electromagnetic compatibility -Requirements and tests
Clinical testing was not required.
#### Conclusion
The intended use, technological characteristics, and principles of operation are similar to the predicate and reference devices. Non-clinical performance data supports the claim that the new device is substantially equivalent to the predicate and reference devices. The primary modification of the inclusion of iVAPS therapy mode remains within the previously cleared indications for use for VAPS therapy. Thus the data in this submission supports the claim of substantial equivalence to the identified predicate and reference devices.
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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.