The CARESCAPE Respiratory Modules (E-sCO, E-sCOV, E-sCAiO, E-sCAiOV, E-sCAiOV, E-sCAiOVX) are indicated for use with a host device for monitoring respiratory parameters (CO2, O2, N2O, anesthetic agent identification and respiratory rate) and ventilatory parameters (airway pressure, flow and volume) of adult, pediatric and neonatal patients and gas exchange parameters (VCO2, VO2) of adult and pediatric patients. When monitoring neonatal or other patients that have high respiration rate or low tidal volume these modules shall be used within the limits of respiration rates and tidal volumes to ensure specified measurement accuracy. These modules are intended for use by qualified medical personnel only.
Device Story
CARESCAPE Respiratory Modules are plug-in units for modular monitoring systems; they sample patient breath via a diverting gas line to measure CO2, O2, N2O, anesthetic agents, respiration rate, airway pressure, flow, volume, and gas exchange (VO2, VCO2). The modules acquire sensor signals, calculate parameters, and communicate data to a host device. The host device manages all physiological and technical alarms. Used in hospital settings by qualified medical personnel. The device provides real-time respiratory data to assist clinicians in patient assessment and ventilation management. This submission introduces D-lite++ Patient Spirometry Sets with modified connector geometry and internal volumes, utilizing cyanoacrylate glue and ultrasonic welding.
Clinical Evidence
No clinical data. Substantial equivalence supported by bench testing, including verification of spirometry, gas exchange, and gas measurement accuracy, as well as biological safety assessment of new materials (cyanoacrylate glue) and manufacturing methods (ultrasonic welding).
Technological Characteristics
Diverting-type gas analyzer module. Materials include cyanoacrylate glue (CB 2011). Manufacturing includes ultrasonic welding. Connectivity: plug-in module for host monitoring systems. Standards: IEC 60601-1, IEC 60601-1-2, IEC 62304, IEC 60601-1-6, IEC 62366, ISO 80601-2-55, ISO 14971.
Indications for Use
Indicated for monitoring respiratory, ventilatory, and gas exchange parameters in adult, pediatric, and neonatal patients. Used with a host device by qualified medical personnel. Neonatal or high-respiration/low-tidal-volume patients must be monitored within specific rate/volume limits to ensure accuracy.
Regulatory Classification
Identification
A carbon dioxide gas analyzer is a device intended to measure the concentration of carbon dioxide in a gas mixture to aid in determining the patient's ventilatory, circulatory, and metabolic status. The device may use techniques such as chemical titration, absorption of infrared radiation, gas chromatography, or mass spectrometry.
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Image /page/0/Picture/0 description: The image contains the logos of the Department of Health and Human Services and the Food and Drug Administration (FDA). The Department of Health and Human Services logo is on the left, and the FDA logo is on the right. The FDA logo includes the text "FDA U.S. FOOD & DRUG ADMINISTRATION" in blue.
May 31, 2019
GE Healthcare Finland Oy Anna Pehrsson Regulatory Affairs Leader Kuortaneenkatu 2 Helsinki, FI-00510 Fi
Re: K183394
Trade/Device Name: CARESCAPE Respiratory Modules, E-sCO, E-sCOV, E-sCOVX, E-sCAiO, EsCAiOV, E-sCAiOVX and accessories Regulation Number: 21 CFR 868.1400 Regulation Name: Carbon dioxide gas analyzer Regulatory Class: Class II Product Code: CCK, CCL, BZK, CAP, CBR, BZL, CBQ, CBS, NHO, NHQ, NHP Dated: March 29, 2019 Received: April 1, 2019
Dear Anna Pehrsson:
This letter corrects our substantially equivalent letter of May 01, 2019.
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.
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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) 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.
# Todd D. Courtney -S
for Michael Ryan Director DHT1C: Division of ENT, Sleep Disordered Breathing, Respiratory and Anesthesia Devices OHT1: Office of Ophthalmic. Anesthesia. Respiratory, ENT and Dental Devices Office of Product Evaluation and Ouality Center for Devices and Radiological Health
Enclosure
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#### DEPARTMENT OF HEALTH AND HUMAN SERVICES Food and Drug Administration
Indications for Use
Form Approved: OMB No. 0910-0120 Expiration Date: 06/30/2020 See PRA Statement below.
510(k) Number (if known)
K183394
Device Name
CARESCAPE Respiratory Modules E-sCO, E-sCOV, E-sCAiO, E-sCAiOV, E-sCAiOV, E-sCAiOVX and accessories
Indications for Use (Describe)
The CARESCAPE Respiratory Modules (E-sCO, E-sCOV, E-sCAiO, E-sCAiOV, E-sCAiOV, E-sCAiOVX) are indicated for use with a host device for monitoring respiratory parameters (CO2, O2, N2O, anesthetic agent identification and respiratory rate) and ventilatory parameters (airway pressure, flow and volume) of adult, pediatric and neonatal patients and gas exchange parameters (VCO2, VO2) of adult and pediatric patients.
When monitoring neonatal or other patients that have high respiration rate or low tidal volume these modules shall be used within the limits of respiration rates and tidal volumes to ensure specified measurement accuracy.
These modules are intended for use by qualified medical personnel only.
Type of Use (Select one or both, as applicable)
2 Prescription Use (Part 21 CFR 801 Subpart D)
Over-The-Counter Use (21 CFR 801 Subpart C)
#### CONTINUE ON A SEPARATE PAGE IF NEEDED.
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FORM FDA 3881 (7/17)
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Section 5: 510(k) Summary
CARESCAPE Respiratory Modules, E-sCO, E-sCOV, E-sCOVX, E-sCAiO, E-sCAiOV, E-sCAiOVX and accessories
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Image /page/4/Picture/0 description: The image shows the General Electric (GE) logo. The logo consists of the letters 'GE' intertwined in a stylized script, enclosed within a circle. There are three decorative flourishes around the circle.
GE Healthcare Finland Oy Kuortaneenkatu 2, P.O. Box 900 FI-00031 GE Finland T: +358 10 39411
# K183394 - 510(k) Summary
In accordance with 21 CFR 807.92 the following summary of information is provided:
Date: December 05, 2018
Submitter: GE Healthcare Finland Oy, Kuortaneenkatu 2, Helsinki, FI-00510 FINLAND
Primary Contact Person: Anna Pehrsson Regulatory Affairs Leader GE Healthcare Finland Oy phone (+358) 40 569 5018 email anna.pehrsson@ge.com
Secondary Contact Joel Kent Person: Senior Regulatory Affairs Manager GE Healthcare phone +617 851 0943 email joel.kent@ge.com
Device names:
CARESCAPE Respiratory Modules, E-sCO, E-sCOV, E-Trade Name: sCOVX, E-sCAiO, E-sCAiOV, E-sCAiOVX and accessories
Common/Usual Respiratory gas module and accessories Name:
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- Classification Name: 21 CFR 868.1400 Analyzer, Gas, Carbon-Dioxide, Gaseous-Phase
Product Code: CCK
Additional Classification 21 CFR 868.1720 Analyzer, Gas, Oxygen, Gaseous-Phase Names:
- 21 CFR 868.1850 Spirometer, Monitoring (W/WO Alarm)
21 CFR 868.2600 Monitor, Airway Pressure (Includes Gauge And/Or Alarm)
21 CFR 868.1700 Analyzer, Gas, Nitrous-Oxide, Gaseous-Phase (Anesthetic Conc.)
- 21 CFR 868.1730 Computer, Oxygen-Uptake
21 CFR 868.1500 Analyzer, Gas, Enflurane, Gaseous-Phase (Anesthetic Concentration)
21 CFR 868.1620 Analyzer, Gas, Halothane Gaseous-Phase (Anesthetic Conc.)
21 CFR 868.1500 Analyzer, Gas, Desflurane, Gaseous-Phase (Anesthetic Concentration)
21 CFR 868.1500 Analyzer, Gas, Isoflurane Gaseous-Phase (Anesthetic Concentration)
21 CFR 868.1500 Analyzer, Gas, Sevoflurane, Gaseous-Phase (Anesthetic Concentration)
- Additional Product CCL, BZK, CAP, CBR, BZL, CBQ, CBS, NHO, NHQ, NHP Codes:
- K171028: CARESCAPE Respiratory Modules, E-sCO, E-Predicate Device(s): sCOV, E-sCOVX, E-sCAiO, E-sCAiOV, E-sCAiOVX and accessories
- Device Description: The CARESCAPE Respiratory Modules E-sCO, E-sCOV, EsCOVX, E-sCAiO, E-sCAiOV, E-sCAiOVX and accessories measure respiratory parameters (concentrations of Carbon Dioxide, Oxygen, Nitrous Oxide and anesthetic agents in the
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patient's breath, as well as the patient's respiration rate), ventilatory parameters (airway pressure, flow and breathing volumes) and gas exchange parameters (oxygen consumption and carbon dioxide production) of hospital patients.
Parameters measured by the CARESCAPE Respiratory Modules are CO2, N2O, O2, Anesthetic agents, Agent ID, Spirometry, oxygen consumption (VO2) and carbon dioxide production (VCO2) depending on the model used. The CARESCAPE Respiratory Modules is a family of single-width plug-in parameter modules for modular monitoring systems. The CARESCAPE Respiratory Modules are of the diverting type, which means that a small continuous flow of gas is sampled from the patient's breath to the module for measuring the gas concentrations. The CARESCAPE Respiratory Modules acquire the signals detected by the module sensors, calculate the parameter values and communicate them to the host device. The CARESCAPE Respiratory Modules measure the patient's respiration rate and activate a status signal if no breaths are detected in 20 second time and the modules activate relevant status signals upon detecting failures or anomalies in the operation of the module hardware, software or gas sampling system.
The CARESCAPE Respiratory Modules do not trigger or issue any physiological or technical alarms by themselves. All management of alarms is entirely performed by the host devices based on parameter and status data received from the modules, as well as on the alarm condition data stored in the host device.
This Special 510(k) introduces two new spirometry accessories: 2104297-001 D-lite++ Patient Spirometry Set. 2m/7ft and 2104297-002 D-lite++ Patient Spirometry Set, 3m/10ft. The design of the D-lite++ Patient Spirometry Sets is based on the design of previously cleared accessories 8004381 D-lite+ Spirometry Kit, adult, 2m/7ft and 8004382 D-lite+ Spirometry Kit, adult, 3m/10ft (510(k) K171028) used for spirometry, gas exchange and gas measurement and owned by GE Healthcare Finland Oy. The main modifications are in the design of the spirometry sensor part of the product; the gas sampling line connector shape and location have been modified and spirometry connector internal volumes have been expanded. The only new material introduced is cyanoacrylate glue CB 2011 used for attaching the spirometry connector to the sensor body. The only new manufacturing method introduced is ultrasonic welding used for attaching the gas sampling line connector to the sensor
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body. The CARESCAPE Respiratory Module measurement specifications are unaffected except for a minor decrease in gas exchange VO2 and VCO2 accuracy specifications with respiration rates above 30 breaths/min when the measurement is performed using the D-lite++ Patient Spirometry Sets. The specification change does not raise different questions of safety or effectiveness of the CARESCAPE Respiratory Modules.
There are no changes to indications for use, hardware, software, mechanics or electrical safety of the CARESCAPE Respiratory Modules due to the D-lite++ Patient Spirometry Sets. The introduction of the D-lite++ Patient Spirometry Sets does not add or change the functionality or fundamental scientific technology of the CARESCAPE Respiratory Modules. The D-lite++ Patient Spirometry Sets employ the same fundamental scientific technology as the existing accessories 8004381 D-lite+ Spirometry Kit, adult, 2m/7ft and 8004382 D-lite+ Spirometry Kit, adult, 3m/10ft used for spirometry, gas exchange and gas measurement with the CARESCAPE Respiratory Modules.
- The CARESCAPE Respiratory Modules (E-sCO, E-sCOV, E-Intended Use: sCOVX, E-sCAiO, E-sCAiOV, E-sCAiOVX) are indicated for use with a host device for monitoring respiratory parameters (CO2, O2, N2O, anesthetic agents, anesthetic agent identification and respiratory rate) and ventilatory parameters (airway pressure, flow and volume) of adult, pediatric and neonatal patients and gas exchange parameters (VCO2, VO2) of adult and pediatric patients.
When monitoring neonatal or other patients that have high respiration rate or low tidal volume these modules shall be used within the limits of respiration rates and tidal volumes to ensure specified measurement accuracy.
These modules are intended for use by qualified medical personnel only.
### Technology:
The fundamental scientific technology of the CARESCAPE Respiratory Modules and accessories is the same as in the predicate devices (K171028). There are no changes to the measured parameters or calculations done by the host devices. The D-lite++ Patient Spirometry Sets employ the same fundamental technology for the spirometry, gas exchange and gas measurement as the existing accessories 8004381 D-lite+
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Spirometry Kit, adult, 2m/7ft and 8004382 D-lite+ Spirometry Kit, adult, 3m/10ft used for these measurements.
The CARESCAPE Respiratory Modules, E-sCO. E-sCOV, EsCOVX, E-sCAiO, E-sCAiOV, E-sCAiOVX and accessories is as safe and effective as the predicate device.
#### Summary of Non-Clinical Tests
The CARESCAPE Respiratory Modules and its applications comply with voluntary standards as detailed below. There are no changes or additions to the CARESCAPE Respiratory Modules' indications for use, fundamental scientific technology used, software, hardware, or mechanics related to the addition of the Dlite++ Patient Spirometry Sets.
Bench testing supports the substantial equivalence determination of the modified CARESCAPE Respiratory Modules when compared to the predicate device. Due to the device modification, verification testing was performed to confirm that the spirometry, gas exchange and gas accuracy measurements of the CARESCAPE Respiratory Modules perform as intended and within specification when the D-lite++ Patient Spirometry Sets are used in the measurement. Testing was also performed to ensure the tightness of the ultrasonic welding of the gas sampling line connector.
The CARESCAPE Respirator Module measurement specifications are unaffected except for a minor decrease in gas exchange VO2 and VCO2 accuracy specifications with respiration rates above 30 breaths/min when the measurement is performed using the new accessories. This change is considered clinically non-significant and it does not raise different questions of safety and effectiveness of the CARESCAPE Respiratory Modules.
A biological assessment was performed for the D-lite++ Patient Spirometry Sets to verify the D-lite++ Patient Spirometry Sets do not pose any biological safety risks for the patient when the products are used according to their intended use.
The completed testing supports the substantial equivalence determination of the modified CARESCAPE Respiratory Modules, E-sCO, E-sCOV, E-sCOVX, E-sCAiO, E-sCAiOV, EsCAiOVX and accessories remains unchanged when compared to the predicate device.
Determination of Substantial Equivalence: (807.92(b)(1):
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Changes to the labeling, hardware and components of the CARESCAPE Respiratory Modules, E-sCO, E-sCOV, E-sCOVX, E-sCAiO, E-sCAiOV, E-sCAiOVX and accessories since the last clearance (K171028) reflect on-going product maintenance activities and do not affect product performance. It is concluded that the CARESCAPE Respiratory Modules, E-sCO, E-sCOV, EsCOVX, E-sCAiO, E-sCAiOV, E-sCAiOVX and accessories are substantially equivalent to the predicate device.
The CARESCAPE Respiratory Modules have been designed and tested for compliance to the following standards:
- 1. IEC 60601-1:2012 Medical electrical equipment Part 1: General requirements for basic safety and essential performance
- 2. IEC 60601-1-2:2007 Medical electrical equipment Part 1-2: General requirements for basic safety and essential performance - Collateral standard: Electromagnetic compatibility - Requirements and tests - Edition 3
- 3. IEC 62304:2015 Medical device software Software life cycle processes
- 4. IEC 60601-1-6:2013 Medical electrical equipment Part 1-6: General requirements for basic safety and essential performance - Collateral Standard: Usability
- 5. IEC 62366:2014 Medical devices - Application of usability engineering to medical devices
- 6. ISO 80601-2-55:2011 Medical electrical equipment Part 2-55: Particular requirements for the basic safety and essential performance of respiratory gas monitors
- 7. ISO 14971:2007 Medical devices Application of risk management to medical devices
### Summary of Clinical Tests:
The subject of this premarket submission, CARESCAPE Clinical (807.92(b)(2)): Respiratory Modules, E-sCO, E-sCOV, E-sCOVX, E-sCAiO, EsCAiOV, E-sCAiOVX and accessories did not require clinical studies to support substantial equivalence.
## Conclusion (807.92(b)(3)):
The verification and analysis described above demonstrate that the modifications do not raise different questions regarding the safety, effectiveness or performance of the device. GE Healthcare therefore considers the CARESCAPE Respiratory Modules, E-
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sCO, E-sCOV, E-sCOVX, E-sCAiO, E-sCAiOV, E-sCAiOVX and accessories to be as safe, as effective, and performance is substantially equivalent to the predicate device.
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.