K201082 · Vyaire Medical, Inc. · CBK · Nov 10, 2021 · Anesthesiology
Device Facts
Record ID
K201082
Device Name
LTV2 Series Ventilators
Applicant
Vyaire Medical, Inc.
Product Code
CBK · Anesthesiology
Decision Date
Nov 10, 2021
Decision
SESE
Submission Type
Traditional
Regulation
21 CFR 868.5895
Device Class
Class 2
Attributes
Therapeutic, Pediatric
Indications for Use
LTV2 model 2200 and 2150 ventilators are intended to provide continuous or intermittent ventilator support for the care of the individuals who require mechanical ventilation. The use of environment is for institutional use includes ICU or other hospital environments including intra-hospital transport. The model 2200 can operate with high pressure O2. The model 2150 operates with low pressure oxygen.
Device Story
LTV2 Series Ventilators (models 2200 and 2150) provide continuous or intermittent mechanical ventilation for adult and pediatric patients (≥10 kg). The device uses a touch-turn-touch interface on an LED display to manage ventilation settings, including volume control, pressure control, pressure support, and spontaneous breath types. It features an ultra-sensitive flow trigger to assist with weaning. The model 2200 supports high-pressure O2, while the 2150 supports low-pressure O2. Used in institutional settings (ICU, hospital transport) by trained clinicians. The device mechanically controls breathing gas delivery to support or assist patient respiration. Output includes real-time ventilation parameters and waveforms, enabling clinicians to monitor and adjust therapy to meet patient needs, potentially improving respiratory outcomes.
Clinical Evidence
No clinical studies were conducted. Substantial equivalence is supported by non-clinical bench testing, including electrical safety, mechanical testing, software verification and validation, and waveform verification.
Technological Characteristics
Positive pressure mechanical ventilator. Materials comply with ISO 10993-1. Features include touch-turn-touch LED interface, internal/optional removable battery, and high/low pressure O2 inlets. Connectivity includes VOXP (Ventilator Open XML Protocol). Standards met: IEC 60601-1 (safety), IEC 60601-1-2 (EMC), IEC 62304 (software lifecycle), ISO 80601-2-12 (ventilator safety), and ISO 14971 (risk management).
Indications for Use
Indicated for adult and pediatric patients weighing at least 10 kg (22 lbs.) requiring invasive or non-invasive positive pressure ventilation. Supports Assist/Control, SIMV, CPAP, and NPPV modes. Intended for use in professional healthcare facilities, including intra-hospital transport, by qualified personnel under physician direction.
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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Vyaire Medical Inc Colleen Watson Director, Regulatory Affairs 26125 N. Riverwoods Blvd. Mettawa. Illinois 60045
# Re: K201082
Trade/Device Name: LTV2 Series Ventilators Regulation Number: 21 CFR 868.5895 Regulation Name: Continuous ventilator Regulatory Class: Class II Product Code: CBK Dated: November 5, 2021 Received: November 8, 2021
# Dear Colleen Watson:
We have reviewed your Section 510(k) premarket notification of intent to market the device referenced above and have determined the device is substantially equivalent (for the indications for use stated in the enclosure) to legally marketed predicate devices marketed in interstate commerce prior to May 28, 1976, the enactment date of the Medical Device Amendments, or to devices that have been reclassified in accordance with the provisions of the Federal Food, Drug, and Cosmetic Act (Act) that do not require approval of a premarket approval application (PMA). You may, therefore, market the device, subject to the general controls provisions of the Act. Although this letter refers to your product as a device, please be aware that some cleared products may instead be combination products. The 510(k) Premarket Notification Database located at https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfpmn/pmn.cfm identifies combination product submissions. The general controls provisions of the Act include requirements for annual registration, listing of devices, good manufacturing practice, labeling, and prohibitions against misbranding and adulteration. Please note: CDRH does not evaluate information related to contract liability warranties. We remind you, however, that device labeling must be truthful and not misleading.
If your device is classified (see above) into either class II (Special Controls) or class III (PMA), it may be subject to additional controls. Existing major regulations affecting your device can be found in the Code of Federal Regulations, Title 21, Parts 800 to 898. In addition, FDA may publish further announcements concerning your device in the Federal Register.
Please be advised that FDA's issuance of a substantial equivalence determination does not mean that FDA has made a determination that your device complies with other requirements of the Act or any Federal statutes and regulations administered by other Federal agencies. 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/combination-products/guidance-regulatory-information/postmarketing-safety-reportingcombination-products); good manufacturing practice requirements as set forth in the quality systems (QS) regulation (21 CFR Part 820) for devices or current good manufacturing practices (21 CFR 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 https://www.fda.gov/medical-device-safety/medical-device-reportingmdr-how-report-medical-device-problems.
For comprehensive regulatory information about mediation-emitting products, including information about labeling regulations, please see Device Advice (https://www.fda.gov/medicaldevices/device-advice-comprehensive-regulatory-assistance) and CDRH Learn (https://www.fda.gov/training-and-continuing-education/cdrh-learn). Additionally, you may contact the Division of Industry and Consumer Education (DICE) to ask a question about a specific regulatory topic. See the DICE website (https://www.fda.gov/medical-device-advice-comprehensive-regulatoryassistance/contact-us-division-industry-and-consumer-education-dice) for more information or contact DICE by email (DICE@fda.hhs.gov) or phone (1-800-638-2041 or 301-796-7100).
Sincerely,
Brandon Blakely, Ph.D. Assistant Director DHT1C: Division of Sleep Disordered Breathing, Respiratory, and Anesthesia Devices OHT1: Office of Ophthalmic, Anesthesia, Respiratory, ENT and Dental Devices Office of Product Evaluation and Quality Center for Devices and Radiological Health
Enclosure
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# Indications for Use
510(k) Number (if known) K201082
Device Name
LTV2 Series Ventilator (LTV2 model 2200 and 2150)
Indications for Use (Describe)
LTV2 model 2200 and 2150 ventilators are intended to provide continuous or intermittent ventilator support for the care of the individuals who require mechanical ventilation. The use environment is for institutional use. Institutional use includes ICU or other hospital environments including intra-hospital transport. The model 2200 can operate with high pressure O2. The model 2150 operates with low pressure oxygen.
Type of Use (Select one or both, as applicable)
| <span style="font-size:120%;">☑</span> Prescription Use (Part 21 CFR 801 Subpart D) |
|-------------------------------------------------------------------------------------|
| <span style="font-size:120%;">☐</span> Over-The-Counter Use (21 CFR 801 Subpart C) |
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Image /page/3/Picture/0 description: The image shows the "Vyaire Medical" logo. The logo features a stylized graphic on the left, consisting of overlapping red and blue shapes. To the right of the graphic is the company name, "Vyaire," in a bold, dark blue font, with the trademark symbol (™) next to it. Below "Vyaire" is the word "MEDICAL" in a smaller, lighter font.
### Summary of Safety and Effectiveness
510k summary complying with 21 CFR 807.92.
## 1. SUBMITTER [21 CFR § 807.92(a)]
VYAIRE MEDICAL INC. 26125 North Riverwoods Blvd. Mettawa, IL 60045. USA
Colleen Watson. MSc. RAC. Contact Person: Alternate Contact Person: Jayme Yamaguchi-Owens
Date Prepared: November 10, 2021
# 2. Device [21 CFR § 807.92(a)(2)]
| Product Name: | LTV2 Series Ventilator (LTV2 model 2200 and 2150) |
|----------------------|-------------------------------------------------------|
| Device Name: | Ventilator, Continuous |
| Common Name: | Continuous or intermittent Ventilator |
| Classification Name: | Ventilator, continuous, facility use (21CFR 868.5895) |
| Regulatory Class: | II |
| Product Code: | CBK |
#### 3. Predicate Device [21 CFR § 807.92(a)(3)]
This submission demonstrates substantial equivalence to the LTV 1200 Ventilator K060647 cleared on May 25th, 2006 and LTV 1100 cleared under K101643 on January 26th, 2011.
| Predicate Device Information | | | |
|------------------------------|----------------------------------------------------|---------------|-----------------|
| Predicate Device | Manufacturer | 510(k) Number | Cleared Device |
| LTV 1200 Ventilator | Pulmonetic Systems, Inc.<br>(Vyaire Medical, Inc.) | K060647 | 25 May 2006 |
| LTV 1100 Ventilator | Carefusion (Vyaire<br>Medical, Inc.) | K101643 | 26 January 2011 |
# Table 1: Predicate Device Information
# Table 2: Reference Device Information
Reference Device Information
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Image /page/4/Picture/0 description: The image shows the Vyaire Medical logo. The logo consists of a stylized letter "V" in blue, followed by the word "Vyaire" in a dark blue sans-serif font. Below the word "Vyaire" is the word "MEDICAL" in a smaller, red sans-serif font. To the left of the letter "V" are two overlapping circles, one red and one blue.
| Predicate Device | Manufacturer | 510(k) Number | Cleared Device |
|----------------------------|--------------------------------------------------------|---------------|-------------------|
| TBird Vela Ventilator | Bird Product Corporation<br>(Vyaire Medical, Inc.) | K032451 | 17 March 2004 |
| PALMTop PTV Models<br>8/10 | Pulmonetic Systems, Inc.<br>(Vyaire Medical, Inc.) | K070594 | 01 August 2007 |
| bellavista 1000/1000e | Imtmedical AG<br>Gewerbestrasse 8<br>Buchs Sg, CH 9470 | K183364 | 13 September 2019 |
#### Device Description [21 CFR § 807.92(a)(4)] 4.
The LTV2 Series ventilator supports adult and pediatric patients weighing at least 10 kg (22 lb) in professional healthcare facilities response with invasive or noninvasive ventilation presets. These settings can be easily refined using the touch-turn-touch interface on the LED display. The ventilator also provides a wide range of ventilation therapies to meet demanding patient needs, including volume control, pressure control, pressure support and spontaneous breath types. Combined with the spontaneous breathing trial function, the ultra-sensitive flow trigger facilitates weaning patients weighing at least 10 kg (22lb).
#### Intended Use [21 CFR § 807.92(a)(5)] 5.
LTV2 model 2200 and 2150 ventilators are intended to provide continuous or intermittent ventilator support for the care of the individuals who require mechanical ventilation. The use of environment is for institutional use includes ICU or other hospital environments including intra-hospital transport. The model 2200 can operate with high pressure O2. The model 2150 operates with low pressure oxygen.
### Indication for use
TheLTV2 Series Ventilators are intended to provide continuous or intermittent ventilatory support for the care of the individuals who require mechanical ventilation. The ventilator is a restricted medical device intended for use by qualified, trained personnel under the direction of a physician. Specifically, the ventilator is applicable for adult and pediatric patients weighing at least 10 kg (22 lbs.), who require the following types of ventilatory support:
- . Positive Pressure Ventilation, delivered invasively or non-invasively (via mask).
- . Assist/Control, SIMV, CPAP, and NPPV modes of ventilation.
The ventilator is suitable for use in professional healthcare facilities, including during intrahospital transport.
#### 6. Summary of Substantial Equivalence [21 CFR § 807.92(a)(6)]
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The fundamental scientific technology is the same for both proposed and predicate devices. It is based on mechanical control of breathing gas with a predetermined percentage of oxygen to provide control ventilation or to assist patient breathing. The LTV2 Series Ventilators are substantially equivalent to the predicate LTV1200 Ventilator and LTV 1100 regarding safety, design materials and intended use.
The proposed ventilator is designed to operate the same as the predicate devices. Successful test results (electrical safety testing, mechanical testing, software V&V, and waveform verification tests) ensured the proposed ventilator does not raise any different questions of safety and effectiveness. The table below outlines the similarities and differences between the device and predicate device.
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Image /page/6/Picture/0 description: The image shows the Vyaire Medical logo. The logo consists of two overlapping circles, one red and one blue, followed by the word "Vyaire" in a stylized, dark blue font. Below "Vyaire" is the word "MEDICAL" in smaller, light red letters.
| Element of<br>Comparison | Proposed Device<br>LTV2 Series<br>Ventilators<br>(LTV2 2150 & LTV2<br>2200) | Primary<br>Predicate Device<br>LTV 1200 - (K060647) | Secondary<br>Predicate Device<br>LTV 1100 - (K101643) | Discussion of<br>Differences |
|-------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------|
| Intended Use | Intended to provide<br>continuous or<br>intermittent ventilator<br>support for the care of<br>individuals who require<br>mechanical ventilation. | Intended to provide<br>continuous or intermittent<br>ventilator support for the care<br>of individuals who require<br>mechanical ventilation. | Intended to provide<br>continuous or intermittent<br>ventilator support for the<br>care of individuals who<br>require mechanical<br>ventilation. | Same |
| Indications for<br>Use | The LTV2 Series<br>Ventilators are intended<br>to provide continuous<br>or intermittent<br>ventilatory support for<br>the care of the<br>individuals who require<br>mechanical ventilation.<br>The ventilator is a<br>restricted medical<br>device intended for use<br>by qualified, trained<br>personnel under the<br>direction of a physician.<br>Specifically, the<br>ventilator is applicable<br>for adult and pediatric<br>patients weighing at<br>least 10kg (22 lbs.), who<br>require the following<br>types of ventilatory<br>support:<br>Positive Pressure<br>Ventilation,<br>delivered invasively<br>or non-invasively. Assist/Control,<br>SIMV, CPAP, and<br>NPPV modes of<br>ventilation. The ventilator is<br>suitable for use in<br>healthcare institutional<br>settings. | The LTV 1200 ventilator is<br>intended to provide<br>continuous or intermittent<br>ventilatory support for the<br>care of the individuals who<br>require mechanical<br>ventilation. The ventilator is a<br>restricted medical device<br>intended for use by qualified,<br>trained personnel under the<br>direction of a physician.<br>Specifically, the ventilator is<br>applicable for adult and<br>pediatric patients weighing at<br>least 5kg (11 lbs.), who<br>require the following types of<br>ventilatory support:<br>Positive Pressure<br>Ventilation, delivered<br>invasively (via ET tube) or<br>non-invasively (via mask). Assist/Control, SIMV,<br>CPAP, and NPPV modes<br>of ventilation. The ventilator is suitable for<br>use in institutional, home, or<br>transport settings. | The LTV 1100 ventilator is<br>intended to provide<br>continuous or intermittent<br>ventilatory support for the<br>care of the individuals who<br>require mechanical<br>ventilation. The ventilator<br>is a restricted medical<br>device intended for use by<br>qualified, trained<br>personnel under the<br>direction of a physician.<br>Specifically, the ventilator<br>is applicable for adult and<br>pediatric patients weighing<br>at least 5kg (11 lbs.), who<br>require the following types<br>of ventilatory support:<br>Positive Pressure<br>Ventilation, delivered<br>invasively (via ET<br>tube) or non-<br>invasively (via mask). Assist/Control, SIMV,<br>CPAP, and NPPV<br>modes of ventilation. The ventilator is suitable<br>for use in institutional,<br>home, or transport<br>settings. | Same |
| Element of<br>Comparison | Proposed Device<br>LTV2 Series<br>Ventilators<br>(LTV2 2150 & LTV2<br>2200) | Primary<br>Predicate Device<br>LTV 1200 - (K060647) | Secondary<br>Predicate Device<br>LTV 1100 - (K101643) | Discussion of<br>Differences |
| Principles of<br>Operation | Positive pressure<br>mechanical ventilator | Positive pressure mechanical<br>ventilator | Positive pressure<br>mechanical ventilator | Same |
| Patient<br>population | Targeted for adult and<br>pediatric patients<br>weighing at least 10kg<br>(22 lbs.). | Targeted for adult and<br>pediatric patients weighing at<br>least 5kg (11 Ibs.). | Targeted for adult and<br>pediatric patients weighing<br>at least 5kg (11 Ibs.). | Substantial<br>equivalent, increase<br>in lower weight<br>limit |
| Environment | The ventilator is<br>suitable for use in<br>healthcare institutional<br>settings. | The ventilator is suitable for<br>use in institutional, home, or<br>transport settings. | The ventilator is suitable<br>for use in institutional,<br>home, or transport<br>settings. | Substantial<br>equivalent for<br>healthcare<br>institutional<br>settings |
| Compatibility<br>with the<br>environment<br>and other<br>devices; | Storage:<br>Temperature: -20<br>degrees C without<br>relative humidity<br>control to + 60 degrees<br>C at 93% relative<br>humidity, non-<br>condensing. | Storage:<br>Temperature: -20 to<br>+60 degrees C.<br>Humidity: 10% to<br>95% Relative, non-<br>condensing | Storage:<br>Temperature: -20 to +60<br>degrees C. Humidity: 10%<br>to 95% Relative, non-<br>condensing | Substantial<br>equivalent,<br>designed and tested<br>to latest EMC<br>standards |
| | Operating:<br>Temperature:<br>+5 to +40<br>degrees C<br>Humidity: 15%<br>to 95% non- | Operating:<br>Temperature: +5 to<br>+40 degrees C<br>Humidity: 15% to<br>95% non-condensing | Operating:<br>Temperature: +5 to +40<br>degrees C<br>Humidity: 15% to 95%<br>non-condensing | |
| | condensing<br>EMC:<br>IEC 60601-1-2<br>Issue<br>2007/03/30<br>Edition 3 class<br>B for Emissions,<br>Immunity for<br>Life Supporting<br>Equipment | EMC:<br>60601-1-2<br>IEC:2001(E)<br>Sound level: | EMC:<br>60601-1-2 IEC:2001(E)<br>Sound level: | |
| | Sound level:<br>Not exceed 55<br>dBA (RMS) at<br>one meter | Not exceed 50 dBA<br>(RMS) at one meter | Not exceed 50 dBA (RMS)<br>at one meter | |
| Electrical<br>safety | Class II<br>Type BF | Class II<br>Type BF | Class II<br>Type BF | Same |
| Battery | Internal battery<br>Removable battery<br>optional | Internal battery: lower panel<br>door access for trained service<br>technician. | Internal battery: lower<br>panel door access for<br>trained service technician. | Substantial<br>equivalent |
| Element of<br>Comparison | Proposed Device<br>LTV2 Series<br>Ventilators<br>(LTV2 2150 & LTV2<br>2200) | Primary<br>Predicate Device<br>LTV 1200 - (K060647) | Secondary<br>Predicate Device<br>LTV 1100 - (K101643) | Discussion of<br>Differences |
| Internal<br>PEEP/PEEP<br>Compensation | Range: 0-20 cmH2O ± 1<br>cmH2O or 10%,<br>whichever is greater,<br>within 3 breaths.<br>(Mechanical/pneumatic<br>control) | Range: 0-20 cmH2O ± 1<br>cmH2O or 10%, whichever is<br>greater, within 3 breaths.<br>(Mechanical/pneumatic<br>control) | Range: 0-20 cmH2O ± 1<br>cmH2O or 10%, whichever<br>is greater, within 3<br>breaths.<br>(Mechanical/pneumatic<br>control) | Same |
| Bias Flow | Off or 5 to 15 LPM in<br>increments of 1 LPM. | Off or 10 LPM 10% or 1 LPM,<br>whichever is greater | Off or 10 LPM 10% or 1<br>LPM, whichever is greater | Substantially<br>Equivalent<br>(Reference device<br>K032451, K070594) |
| Ventilation<br>Mode | Control Mode<br>Assist/Control Mode<br>SIMV Mode<br>CPAP<br>NPPV<br>Apnea Backup | Control Mode<br>Assist/Control Mode<br>SIMV Mode<br>CPAP<br>NPPV<br>Apnea Backup | Control Mode<br>Assist/Control Mode<br>SIMV Mode<br>CPAP<br>NPPV<br>Apnea Backup | Same |
| Breath types | Pressure Control<br>Volume Control<br>Pressure Support<br>Spontaneous | Pressure Control<br>Volume Control<br>Pressure Support<br>Spontaneous | Volume Control<br>Pressure Support<br>Spontaneous | Same as predicate |
| Breath rate | 0-80 BPM | 0-80 BPM | 0-80 BPM | Same |
| Tidal volume | 50-2,000 mL | 50-2,000 mL | 50-2,000 mL | Same |
| Inspiratory<br>time | 0.3 - 9.9 seconds | 0.3-9.9 sec | 0.3-9.9 sec | Same |
| Pressure<br>control | 4 – 98 cmH20<br>(assist/Control &<br>SIMV/CPAP)<br>Off - 60 cmH2O (NPPV) | 1-99 cmH2O | Pressure control not<br>present | Substantially<br>equivalent |
| Pressure<br>support | 1-60 cmH2O | 1-60 cmH2O | 1-60 cmH2O | Same |
| Sensitivity | Off, 1-9 LPM | Off, 1-9 LPM | Off, 1-9 LPM | Same |
| 02% | 21–100% (LTV2200);<br>oxygen bleed flow (LTV<br>2150 and LTV 2200) | 21-100%; oxygen bleed flow | oxygen bleed flow% | Same as predicate |
| O2 flush | 1-3 min (LTV 2200 only) | 1-3 min…
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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.
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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.