The SONON Ultrasound Imaging System (Model: SONON 300C) is intended for diagnostic ultrasound echo imaging, measurement, and analysis of the human body for general clinical applications including obstetrics (OB), gynecology (GY) and general (abdominal) imaging. The system operating modes is B (Brightness), CF (color flow), PW (pulsed wave), M (motion). The intended to be used in a hospital or medical clinic is used by appropriately trained healthcare professionals, including radiologists, sonographers, technologists, and clinicians, in a medical facility.
Device Story
Wireless, hand-held ultrasound system using pulsed-echo technology (3.5 MHz convex transducer). Transmits ultrasound images via Wi-Fi to iOS, Android, or Windows devices. Software app provides real-time B-mode, Color Flow (CF), Pulsed Wave (PW) Doppler, and M-mode imaging. Used by radiologists, sonographers, and clinicians in hospitals/clinics for OB, GY, and abdominal imaging. Features include image capture, review, measurement (linear/elliptical), and PACS transmission. Enables real-time visualization and analysis of tissue interfaces and blood flow velocities. Benefits include portability and point-of-care diagnostic capability.
Clinical Evidence
No clinical test nor animal study was performed to support substantial equivalence. Bench testing only.
Technological Characteristics
Wireless convex transducer (3.5 MHz). Pulsed-echo/Doppler technology. Compatible with iOS, Android, and Windows. Connectivity via 2.4/5 GHz Wi-Fi. Biocompatible patient-contact materials. Software-controlled via mobile app. Complies with IEC 60601-1, IEC 60601-2-37, IEC 60601-1-2, and IEC 62133-2.
Indications for Use
Indicated for diagnostic ultrasound echo imaging, measurement, and analysis of the human body for general clinical applications including obstetrics (OB), gynecology (GY), and general (abdominal) imaging. For use in all patients by trained healthcare professionals in hospital or clinical settings.
Regulatory Classification
Identification
An ultrasonic pulsed doppler imaging system is a device that combines the features of continuous wave doppler-effect technology with pulsed-echo effect technology and is intended to determine stationary body tissue characteristics, such as depth or location of tissue interfaces or dynamic tissue characteristics such as velocity of blood or tissue motion. This generic type of device may include signal analysis and display equipment, patient and equipment supports, component parts, and accessories.
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Healcerion Co., Ltd. % Jong Hyun Kim Senior Consultant GMS Consulting Co., Ltd. 34. Sangamsan-ro. Mapo-gu Seoul. 03909 REPUBLIC OF KOREA
May 16, 2022
Re: K211665
Trade/Device Name: SONON Ultrasound Imaging System, Model: SONON300C Regulation Number: 21 CFR 892.1550 Regulation Name: Ultrasonic pulsed doppler imaging system Regulatory Class: Class II Product Code: IYN, IYO, ITX Dated: April 18, 2022 Received: April 19, 2022
Dear Jong Hyun Kim:
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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801and Part 809); 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,
For
Michael D. O'Hara, Ph.D. Deputy Director DHT 8C: Division of Radiological Imaging and Radiation Therapy Devices OHT 8: Office of Radiological Health Office of Product Evaluation and Quality 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: 06/30/2023 See PRA Statement below.
### 510(k) Number (if known)
K211665
Device Name
SONON Ultrasound Imaging System (Model: SONON 300C)
#### Indications for Use (Describe)
The SONON Ultrasound Imaging System (Model: SONON 300C) is intended for diagnostic ultrasound echo imaging, measurement, and analysis of the human body for general clinical applications including obstetrics (OB), gynecology (GY) and general (abdominal) imaging. The system operating modes is B (Brightness), CF (color flow), PW (pulsed wave), M (motion). The intended to be used in a hospital or medical clinic is used by appropriately trained healthcare professionals, including radiologists, sonographers, technologists, and clinicians, in a medical facility.
Type of Use (Select one or both, as applicable)
> 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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"An agency may not conduct or sponsor, and a person is not required to respond to, a collection of information unless it displays a currently valid OMB number."
FORM FDA 3881 (6/20)
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## 510(k) Summary
This summary of safety and effectiveness information is submitted in accordance with 21 CFR § 807.92.
### 1. Submitter
- Manufacturer . : HEALCERION Co., Ltd. Address : 1403-ho, 12, Digital-ro 33-gil, Guro-gu, Seoul, 08377 ● Korea Telephone No. . : +82-70-8217-0820 E-mail Address : peter@healcerion.com ● Contact ● : LEE SOOYEOL / CTO Information Email : peter@healcerion.com
## 2. Device Name and Classification
| • | Device Common/Usual Name | : Diagnostic Ultrasound System and Transducer |
|---|--------------------------|---------------------------------------------------------------------------------------------------------------------------------|
| • | Device Proprietary Name | : SONON Ultrasound Imaging System, Model:<br>SONON 300C |
| • | Regulation Name | : System, Imaging, Pulsed Doppler, Ultrasonic<br>System, Imaging, Pulsed Echo, Ultrasonic<br>Transducer, Ultrasonic, Diagnostic |
| • | Device Classification | : Class II |
| • | Product Code | : IYN, IYO, ITX |
| • | Regulation Number | : 21 C.F.R. § 892.1550, § 892.1560, and § 892.1570 |
| • | Classification Panel | : Radiology |
#### Predicate Device 3.
The predicate devices of the subject device are as follows:
Predicate Device #1 (Primary Predicate Device)
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| • | K Number | : K151339 |
|---|-----------------------------|---------------------------------------------------------|
| • | Manufacturer | : HEALCERION CO., LTD. |
| • | Device Common/Usual<br>Name | : Diagnostic Ultrasound System and Transducer |
| • | Device Proprietary Name | : SONON Ultrasound Imaging System, Model:<br>SONON 300C |
| • | Regulation Name | : System, Imaging, Pulsed Echo, Ultrasonic |
| • | Device Classification | : Class II |
| • | Product Code | : IYO, ITX |
| • | Regulation Number | : 21 C.F.R. § 892.1560, and § 892.1570 |
| • | Classification Panel | : Radiology |
## Predicate Device #2 (Secondary Predicate Device)
| • K Number | : K192107 |
|-------------------------------|----------------------------------------------------|
| • Manufacturer | : Clarius Mobile Health Corp. |
| • Device Common/Usual<br>Name | : Diagnostic Ultrasound System and Accessories |
| • Device Proprietary Name | : Clarius Scanner C3 HD |
| • Regulation Name | : System, Imaging, Pulsed Echo, Ultrasonic |
| • Device Classification | : Class II |
| • Product Code | : IYN, IYO, ITX |
| • Regulation Number | : 21 C.F.R. § 892.1550, § 892.1560, and § 892.1570 |
| • Classification Panel | : Radiology |
Healcerion is not aware of any design-related recalls regarding the predicate devices. No reference devices were used in this submission.
#### Reason for Submission 4.
Following changes have been made compared to the cleared device (Predicate Device #1)
- Software (Mobile application) Changes: Windows 10 support, several features • added (Supporting Server Login, Quick Scan, etc.)
- Cybersecurity Measures implemented •
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- Label Changes: Device label, Box label, User Manual
- Battery Cell and its nominal voltage changed
- Power Board changed to support additional modes (CF, PW, M Mode)
- . Wi-Fi driver changed to support both 2.4 GHz & 5GHz connectivity
- A measuring mode added which is designed for assessing fetal biometry
- Available display depth range changed ●
#### 5. Device Description
The SONON Ultrasound Imaging System, Model: SONON 300C, is a wireless ultrasound system that uses pulsed-echo technology (frequency: 3.5 MHz; module: convex) to transmit ultrasound images via wireless communication to a mobile device that utilizes the iOS or Android, or PC that uses Windows operating system.
The minimum requirements for the mobile devices that utilize the iOS, Android or Windows operating system for use with the SONON Ultrasound Imaging System, Model: SONON 300C are as follows:
| Operating system | Requirement | Compatible Devices |
|------------------|-----------------------------------|--------------------------------------------------------------------------------------------------------------------------|
| iOS | • iOS 11.0 or later | • iPhone 6S and newer<br>• iPad 5 and newer<br>• iPad Air 2 and newer<br>• iPad Mini 4 and newer<br>• iPad Pro and newer |
| Android | • Android 5.0 (Lollipop) or later | • Samsung Galaxy S6 and newer<br>• Samsung Galaxy Note 5 and newer<br>• Samsung Galaxy Tab S3 and newer |
| Windows (UWP) | • Windows 10 (64-bit) or later | • Microsoft Surface Pro 3 and newer |
The SONON Ultrasound Imaging System is a portable, general-purpose, softwarecontrolled, hand-held diagnostic ultrasound system that consists of
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- (i) a commercial off-the-shelf iOS or Android mobile device, or Windows PC
- the SONON Ultrasound Imaging System software that runs as an app on the (ii) mobile device,
- the battery-operated, hand-held SONON Ultrasound Imaging System (iii) transducer that communicates wirelessly with iOS or Android mobile devices, and
- the instructions for use manual, battery, charger, and power cords. (iv)
The SONON software can be downloaded to an iOS, Android mobile device or Windows PC and utilizes an icon touch-based user interface. The software enables ultrasound image capture and review, controls for time gain, dynamic range, display of mirror image, focal length, depth, brightness, contrast, linear/elliptical measurement, color flow, and image annotation, as well as storage and PACS transmission of images and videos.
The SONON Ultrasound Imaging System allows the user to image in real time and review cine or freeze-frame images on the screen in a B-Mode and Color Flow Doppler (CF Mode) Mode with 2-dimensional scan format. In addition, PW (pulsed wave) mode displays different wave velocities and directions in a spectrum. Moreover, in M mode (also known as "motion mode"), the changes over time on a line graph appears in a spectrum.
All images and data collected are stored in the mobile app. If the app is removed and reinstalled, all stored information is lost and cannot be recovered.
The SONON Ultrasound Imaging System utilizes pulsed-echo technology to determine the depth and location of tissue interfaces, and to measure the duration of an acoustic pulse from the transmitter to the tissue interface and back to the receiver. Ultrasound waves are emitted from the transducer, propagate through tissues, and return to the transducer as reflected echoes. The returned echoes are then converted into electrical impulses by transducer crystals and further processed in order to form the ultrasound image presented on the screen.
The device components are not supplied sterile and do not require sterilization prior to use.
#### Indications for Use 6.
The SONON Ultrasound Imaging System (Model: SONON 300C) is intended for diagnostic ultrasound echo imaging, measurement, and analysis of the human body for general clinical applications including obstetrics (OB), gynecology (GY) and general (abdominal) imaging. The system operating modes is B (Brightness), CF (color flow), PW (pulsed wave), M (motion). The intended to be used in a hospital or medical clinic is used by appropriately trained healthcare professionals, including radiologists, sonographers, technologists, and clinicians, in a medical facility.
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# 7. Technological Comparison to Predicate Devices
| | Table 1: Technological Comparison of Subject Device (i.e., SONON 300C and Predicate Device #1 (K151339)) | | | |
|-------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------|------------|
| | | | | |
| | The SONON Ultrasound Imaging System,<br>Model: SONON 300C | The SONON Ultrasound Imaging System,<br>Model: SONON 300C<br>K151339<br>(Predicate Device #1) | | |
| Standard Feature | K# Unknown<br>(Subject Device) | | Comparison | |
| Indications for Use | The SONON Ultrasound Imaging System<br>(Model: SONON 300C) is intended for<br>diagnostic ultrasound echo imaging,<br>measurement, and analysis of the human body<br>for general clinical applications including<br>obstetrics (OB), gynecology (GY) and general<br>(abdominal) imaging. The system operating<br>modes is B (Brightness), CF (color flow), PW<br>(pulsed wave), M (motion). The intended to be<br>used in a hospital or medical clinic is used by<br>appropriately trained healthcare professionals,<br>including radiologists, sonographers,<br>technologists, and clinicians, in a medical<br>facility. | Intended for diagnostic ultrasound echo<br>imaging, measurement, and analysis of the<br>human body for general clinical applications<br>including obstetrics (OB), gynecology (GY)<br>and general (abdominal) imaging. | Identical | |
| Environment of Use | Hospital, clinic, and medical office settings | Hospital, clinic, and medical office settings | Identical | |
| Acoustic Output Levels | Below Track 3 FDA limits in accordance with<br>"Marketing Clearance of Diagnostic<br>Ultrasound Systems and Transducers", June.<br>2019 | Below Track 3 FDA limits in accordance with<br>"Marketing Clearance of Diagnostic<br>Ultrasound Systems and Transducers", June.<br>2019 | Identical | |
| Imaging Capabilities | • pulsed-echo, pulsed-doppler<br>• Mode B (2D), Mode M (Motion), Mode CF<br>(Color Flow), Mode PW (Pulsed Wave) | • pulsed-echo<br>• Mode B (2D) | Different | |
| Patient Population | For use in all patients | For use in all patients | Identical | |
| Anatomic<br>Structures/Clinical<br>applications | general clinical applications including<br>obstetrics (OB), gynecology (GY) and<br>general (abdominal) imaging | general clinical applications including<br>obstetrics (OB), gynecology (GY) and<br>general (abdominal) imaging | Identical | |
| Standard Feature | | The SONON Ultrasound Imaging System,<br>Model: SONON 300C<br>K# Unknown<br>(Subject Device) | The SONON Ultrasound Imaging System,<br>Model: SONON 300C<br>K151339<br>(Predicate Device #1) | Comparison |
| Users | | appropriately trained healthcare<br>professionals | healthcare professionals | Identical |
| Probe Characteristics | | Convex, 3.5 MHz | Convex, 3.5 MHz | Identical |
| Probe Connection to<br>Display | | Wireless | Wireless | Identical |
| Software | Type | Mobile application operating on Off-the-shelf<br>Operating Systems | Mobile application operating on Off-the-shelf<br>Operating Systems | Identical |
| | Compatible<br>OS | iOS / Android / Windows | iOS / Android | Different |
| Patient-Contacting<br>Materials | | All patient-contact materials are<br>biocompatible and can be disinfected | All patient-contact materials are<br>biocompatible and can be disinfected | Identical |
| Reusable? | | Yes | Yes | Identical |
| Duration of Use | | Limited (<24 hours) | Limited (<24 hours) | Identical |
| Standard Feature | The SONON Ultrasound Imaging System,<br>Model: SONON 300C<br>K# Unknown<br>(Subject Device) | Clarius Scanner C3 HD<br>K192107<br>(Predicate Device #2) | Comparison | |
| Indications for Use | The SONON Ultrasound Imaging System<br>(Model: SONON 300C) is intended for<br>diagnostic<br>ultrasound<br>echo<br>imaging,<br>measurement, and analysis of the human body<br>for general clinical applications including<br>obstetrics (OB), gynecology (GY) and general<br>(abdominal) imaging. The system operating<br>modes is B (Brightness), CF (color flow), PW<br>(pulsed wave), M (motion). The intended to be<br>used in a hospital or medical clinic is used by<br>appropriately trained healthcare professionals,<br>radiologists.<br>including<br>sonographers.<br>technologists, and clinicians, in a medical<br>facility. | Intended for diagnostic imaging. It is indicated<br>for diagnostic ultrasound imaging and fluid<br>flow analysis in the following applications:<br>abdominal,<br>intra-operative<br>fetal.<br>(non-<br>neurological), pediatric, cephalic (adult), musculo-<br>skeletal (conventional), urology, gynecology,<br>cardiac (adult, pediatric), and peripheral vessel.<br>The system is a transportable ultrasound<br>system intended for use in environments where<br>healthcare is provided by trained healthcare<br>professionals. | Identical | |
| Environment of Use | Hospital, clinic, and medical office settings | The system is a transportable ultrasound<br>system intended for use in environments<br>where healthcare is provided by trained<br>healthcare professionals. | Identical | |
| Acoustic Output Levels | Below Track 3 FDA limits in accordance with<br>"Marketing Clearance of Diagnostic<br>Ultrasound Systems and Transducers", June.<br>2019 | Below Track 3 FDA limits in accordance with<br>"Marketing Clearance of Diagnostic<br>Ultrasound Systems and Transducers", June.<br>2019 | Identical | |
| Imaging Capabilities | • pulsed-echo, pulsed-doppler<br>• Mode B (2D), Mode M (Motion), Mode CF<br>(Color Flow), Mode PW (Pulsed Wave) | · pulsed-echo, pulsed-doppler<br>· Mode B (2D), Mode M (Motion), Mode<br>Color Doppler, Mode PW (Pulsed Wave),<br>Mode Power Doppler | Identical | |
| Patient Population | For use in all patients | For use in all patients | Identical | |
| Standard Feature | The SONON Ultrasound Imaging System, Model: SONON 300C K# Unknown (Subject Device) | Clarius Scanner C3 HD K192107 (Predicate Device #2) | Comparison | |
| Anatomic Structures/Clinical applications | general clinical applications including obstetrics (OB), gynecology (GY) and general (abdominal) imaging. | fetal, abdominal, intra-operative (non-neurological), pediatric, cephalic (adult), musculo-skeletal (conventional), urology, gynecology, cardiac (adult, pediatric), and peripheral vessel. | Identical | |
| Users | appropriately trained healthcare professionals | Healthcare professionals. | Identical | |
| Probe Characteristics | Convex, 3.5 MHz | Convex, 2~6 MHz | Different | |
| Probe Connection to Display | Wireless | Wireless | Identical | |
| Software | Type | Mobile application operating on Off-the-shelf Operating Systems | Mobile application operating on Off-the-shelf Operating Systems | Identical |
| | Compatible OS | iOS / Android / Windows | iOS / Android | Different |
| Patient-Contacting Materials | All patient-contact materials are biocompatible and can be disinfected | All patient-contact materials are biocompatible and can be disinfected | Identical | |
| Reusable? | Yes | Yes | Identical | |
| Duration of Use | Limited (<24 hours) | Limited (<24 hours) | Identical | |
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# Table 2: Technological Comparison of Subject Device (i.e., SONON 300C and Predicate Device #2 (K192107))
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## 8. Determination of Substantial Equivalence
The SONON Ultrasound Imaging System, Model: SONON 300C is substantially equivalent to the predicate devices identified above with respect to intended use, principles of operation, and technological characteristics. From the information provided in table above; it is understood that the subject device does not introduce any new technology and/or indications of use. Therefore, SONON 300C is considered substantially equivalent to the predicate devices
## 9. Summary of Design Control Activities and Performance Data
The SONON Ultrasound Imaging System, Model: SONON 300C is verified and validated according to the FDA design control requirements, 21 CFR 820. The subject device had been subjected to the applicable safety and performance testing before release to ensure the device meets all its specifications. The quality assurance measures applied to the design and development of the subject device include, but not limited to risk analysis, verification and validation, product specifications and design reviews.
## A. Software
In accordance with the FDA's Guidance Document "Guidance for the Content of Premarket Submissions for Software Contained in Medical Devices" issued on May 11, 2005, documentation is included within this submission for software of a Moderate Level of Concern. For all software changes in the device, software verification and validation activities have been conducted during product development including conformance to the following standards:
- . IEC 62304:2006/AMD1:2015
- . AAMI TIR 57:2016
Cybersecurity considerations to The SONON Ultrasound Imaging System software have been addressed in the submission. As per FDA's Guidance Document "Content of Premarket Submissions for Management of Cybersecurity in Medical Devices" issued on Oct 2, 2014. Healcerion has implemented cybersecurity measures to prevent unauthorized access, modification, misuse, unauthorized use of information stored, etc.
Software and cybersecurity risk regarding software changes was identified, and the mitigation controls were implemented for identified risks. Software verification and validation testing confirm that all software specifications have been implemented on the previously cleared device and met the defined acceptance criteria.
## B. Performance Testing - Bench
Design control activities were conducted for the changes which may affect the acoustic
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output, clinical measurement range and accuracies, and Wi-Fi Connectivity.
The acoustic output exposure levels were measured, calculated, and derated following IEC 62359:2010/AMD1:2017. The test methodology for the measurement of acoustic output levels is exact same as a cleared device. Test result show that the acoustic output of modified device complies with the requirement for acoustic output level as per FDA Guidance "Marketing Clearance of Diagnostic Ultrasound Systems and Transducers", issued on June 27, 2019.
To support substantial equivalence to the predicate devices, Healcerion conducted performance test related to clinical measurement range accuracies such as vertical/horizontal resolution, maximal viewing depth, vertical/horizontal distance accuracy, acoustic output frequency, etc. The device met the pre-defined acceptance criteria for the performance test, and its results show that the changes are acceptable in perspective of safety and effectiveness of the device.
For Wi-Fi connectivity that support both 2.4 GHz and 5 GHz, performance test was conducted to ensure that the change in Wi-Fi driver on the device performs equivalently to the predicate devices.
## C. Biocompatibility
NO changes have been applied to the materials of the previously cleared device.
# D. Cleaning and disinfection effectiveness
NO changes have been applied to the cleaning and disinfection method of the previously cleared device.
## E. Thermal, electrical, mechanical safety & Electromagnetic Compatibility
Due to the modification in Power Board, Wi-Fi driver, and Battery Cell, the verification was conducted in compliance with well-established method as per IEC 60601-1:2005/AMD1:2012 and IEC 60601-2-37:2007/AMD1:2015 to confirm the device's thermal, electrical, and mechanical safety. Furthermore, the modified device was also tested as per IEC 60601-1-2:2014 and IEC 62133-2:2017 for these changes.
The result of safety and EMC test show that the changes are acceptable in perspective of the electromagnetic compatibility and electrical safety of the device.
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## F. Clinical tests and animal studies
NO clinical test nor animal study was performed to support substantial equivalence.
## 10. Conclusion
The conducted tests, as well as all verification and validation activities, demonstrate that the modified SONON Ultrasound Imaging System, Model: SONON 300C meet applicable requirements and standards for the safety and effectiveness of the device for its intended use. Additionally, any differences between the subject device and the predicate devices do not raise new or different questions of safety or effectiveness as compared to the predicate devices. Therefore, the SONON Ultrasound Imaging System, Model: SONON 300C is substantially equivalent in safety and effectiveness to the predicate devices.
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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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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.
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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.