K251153 · Ge Medical Systems Israel · KPS · Jun 12, 2025 · Radiology
Device Facts
Record ID
K251153
Device Name
Aurora
Applicant
Ge Medical Systems Israel
Product Code
KPS · Radiology
Decision Date
Jun 12, 2025
Decision
SESE
Submission Type
Traditional
Regulation
21 CFR 892.1200
Device Class
Class 2
Attributes
AI/ML, Real-World Evidence, Pediatric
Real-World Evidence
Submission
Device
Sponsor
RWD Sources
RWE Use Summary
Key Tags
K251153 · Jun 12, 2025
Aurora
Ge Medical Systems Israel
Retrospective clinical renal studies (Nuclear Medicine dynamic renal scintigraphy images) from 2 hospitals in the U.S. and 1 hospital in Europe
Retrospective clinical images were used to validate the performance of a deep-learning automatic kidney segmentation algorithm via DICE similarity scores and a reader study assessing clinical utility.
Retrospective clinical data; Renal scintigraphy; Deep learning validation; Reader study
Clinical Evidence
Study Design
Population
Comparator
Key Endpoints
Validation of DL Automatic Kidney Segmentation; Retrospective performance evaluation and reader study
Diverse patient population including a range of ethnicities, demographics, and clinical scenarios; Sample Size: 70 clinical exams; Number of Sites: 3 (2 in U.S., 1 in Europe)
Average DICE score above predefined success criteria
—
—
Bench testing: 70 planar NM renal studies from 2 US hospitals and 1 European hospital. Clinical testing: 70 representative clinical exams evaluated by 3 readers.
3 (qualified U.S. readers)
Indications for Use
The Aurora system is a medical tool intended for use by appropriately trained healthcare professionals to aid in detecting, localizing, diagnosing of diseases and in the assessment of organ function for the evaluation of diseases, trauma, abnormalities, and disorders such as, but not limited to, cardiovascular disease, neurological disorders and cancer. The system output can also be used by the physician for staging and restaging of tumors; and planning, guiding, and monitoring therapy, including the nuclear medicine part of theragnostic procedures. • NM System: General Nuclear Medicine imaging procedures for detection of radioisotope tracer uptake in the patient body, using a variety of scanning modes supported by various acquisition types and imaging features designed to enhance image quality. The scanning modes include planar mode (Static, Multi-gated, Dynamic and Whole body) and tomographic mode (SPECT, Gated SPECT, Whole body SPECT), Imaging modes include single photon, multi-isotope, and multi-peak, with data stored in frame/list mode. The imaging-enhancement features include assortment of collimators, gating by physiological signals, and real-time automatic body contouring. • CT System: produces Cross sectional images of the body by computer reconstruction of X-Ray transmission data taken at different angles and planes, including Axial, Cine, Helical (Volumetric), Cardiac, and Gated acquisitions. These images may be obtained with or without contrast. The CT system is indicated for head, whole body, cardiac and vascular X-Ray Computed Tomography applications. • NM + CT System: Combined, hybrid SPECT and CT protocols, for CT-based SPECT attenuation corrected imaging as well as functional and anatomical mapping imaging (localization, registration, and fusion). The Aurora system may include signal analysis and display equipment, patient and equipment supports, components and accessories. The system may include digital processing of data and images, including display, quality check, transfer, and processing, to produce images in a variety of trans-axial and reformatted planes. The images can also be post processed to obtain additional images, imaging planes, analysis results and uptake quantitation. The system may be used for patients of all ages.
Device Story
Aurora is a hybrid SPECT-CT system combining a dual-detector Nuclear Medicine (NM) subsystem and a Revolution Ascend CT subsystem. It acquires NM planar/tomographic data and X-ray transmission data for anatomical localization and attenuation correction. The device includes a new deep-learning (DL) Automatic Kidney Segmentation algorithm integrated into the 'Realtime Time Activity Curve' software feature. The algorithm automatically localizes and outlines kidneys on dynamic renal scintigraphy images to reduce manual technologist workload; output requires user confirmation. Operated by trained healthcare professionals in clinical settings, the system provides images and quantitative analysis to assist physicians in diagnosis, staging, and therapy planning. Benefits include improved workflow efficiency and standardized organ segmentation.
Clinical Evidence
Performance evaluated using 70 representative planar NM renal studies from 3 hospitals (US/Europe). Bench testing compared algorithm-generated contours to physician-confirmed ground truth using DICE similarity scores, exceeding predefined success criteria. Clinical evaluation involved 3 U.S. readers assessing segmentation quality via a 4-point Likert scale; results demonstrated acceptable utility and minimal required user interaction.
Indicated for patients of all ages requiring general Nuclear Medicine imaging (detection of radioisotope tracer uptake) and X-ray Computed Tomography (head, whole body, cardiac, vascular). Used to aid in detection, localization, diagnosis, and assessment of organ function for diseases, trauma, abnormalities, and disorders (e.g., cardiovascular, neurological, cancer). Supports tumor staging/restaging and therapy planning/monitoring.
Regulatory Classification
Identification
An emission computed tomography system is a device intended to detect the location and distribution of gamma ray- and positron-emitting radionuclides in the body and produce cross-sectional images through computer reconstruction of the data. This generic type of device may include signal analysis and display equipment, patient and equipment supports, radionuclide anatomical markers, component parts, and accessories.
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FDA U.S. FOOD & DRUG ADMINISTRATION
June 12, 2025
GE Medical Systems Israel
Hanne Jubran
Senior Regulatory Affairs Leader
Functional Imaging (GE Healthcare)
4 Hayozma Street
Tirat HaCarmel, 30200
Israel
Re: K251153
Trade/Device Name: Aurora
Regulation Number: 21 CFR 892.1200
Regulation Name: Emission computed tomography system
Regulatory Class: Class II
Product Code: KPS, JAK
Dated: April 14, 2025
Received: April 14, 2025
Dear Hanne Jubran:
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 (the 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 available 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.
U.S. Food & Drug Administration
10903 New Hampshire Avenue
Silver Spring, MD 20993
www.fda.gov
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K251153 - Hanne Jubran
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Additional information about changes that may require a new premarket notification are provided in the FDA guidance documents entitled "Deciding When to Submit a 510(k) for a Change to an Existing Device" (https://www.fda.gov/media/99812/download) and "Deciding When to Submit a 510(k) for a Software Change to an Existing Device" (https://www.fda.gov/media/99785/download).
Your device is also subject to, among other requirements, the Quality System (QS) regulation (21 CFR Part 820), which includes, but is not limited to, 21 CFR 820.30, Design controls; 21 CFR 820.90, Nonconforming product; and 21 CFR 820.100, Corrective and preventive action. Please note that regardless of whether a change requires premarket review, the QS regulation requires device manufacturers to review and approve changes to device design and production (21 CFR 820.30 and 21 CFR 820.70) and document changes and approvals in the device master record (21 CFR 820.181).
Please be advised that FDA's issuance of a substantial equivalence determination does not mean that FDA has made a determination that your device complies with other requirements of the Act or any Federal statutes and regulations administered by other Federal agencies. You must comply with all the Act's requirements, including, but not limited to: registration and listing (21 CFR Part 807); labeling (21 CFR Part 801); medical device reporting (reporting of medical device-related adverse events) (21 CFR Part 803) for devices or postmarketing safety reporting (21 CFR Part 4, Subpart B) for combination products (see https://www.fda.gov/combination-products/guidance-regulatory-information/postmarketing-safety-reporting-combination-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 Part 4, Subpart A) for combination products; and, if applicable, the electronic product radiation control provisions (Sections 531-542 of the Act); 21 CFR Parts 1000-1050.
All medical devices, including Class I and unclassified devices and combination product device constituent parts are required to be in compliance with the final Unique Device Identification System rule ("UDI Rule"). The UDI Rule requires, among other things, that a device bear a unique device identifier (UDI) on its label and package (21 CFR 801.20(a)) unless an exception or alternative applies (21 CFR 801.20(b)) and that the dates on the device label be formatted in accordance with 21 CFR 801.18. The UDI Rule (21 CFR 830.300(a) and 830.320(b)) also requires that certain information be submitted to the Global Unique Device Identification Database (GUDID) (21 CFR Part 830 Subpart E). For additional information on these requirements, please see the UDI System webpage at https://www.fda.gov/medical-devices/device-advice-comprehensive-regulatory-assistance/unique-device-identification-system-udi-system.
Also, please note the regulation entitled, "Misbranding by reference to premarket notification" (21 CFR 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-devices/medical-device-safety/medical-device-reporting-mdr-how-report-medical-device-problems.
For comprehensive regulatory information about medical devices and radiation-emitting products, including information about labeling regulations, please see Device Advice (https://www.fda.gov/medical-devices/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-devices/device-advice-comprehensive-regulatory-
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K251153 - Hanne Jubran
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assistance/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,

Daniel M. Krainak, Ph.D.
Assistant Director
DHT8C: Division of Radiological
Imaging and Radiation Therapy Devices
OHT8: Office of Radiological Health
Office of Product Evaluation and Quality
Center for Devices and Radiological Health
Enclosure
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# Indications for Use
| Please type in the marketing application/submission number, if it is known. This textbox will be left blank for original applications/submissions. | K251153 | ? |
| --- | --- | --- |
| Please provide the device trade name(s). | | ? |
| Aurora | | |
| Please provide your Indications for Use below. | | ? |
| The Aurora system is a medical tool intended for use by appropriately trained healthcare professionals to aid in detecting, localizing, diagnosing of diseases and in the assessment of organ function for the evaluation of diseases, trauma, abnormalities, and disorders such as, but not limited to, cardiovascular disease, neurological disorders and cancer. The system output can also be used by the physician for staging and restaging of tumors; and planning, guiding, and monitoring therapy, including the nuclear medicine part of theragnostic procedures. | | |
| • NM System: General Nuclear Medicine imaging procedures for detection of radioisotope tracer uptake in the patient body, using a variety of scanning modes supported by various acquisition types and imaging features designed to enhance image quality. The scanning modes include planar mode (Static, Multi-gated, Dynamic and Whole body) and tomographic mode (SPECT, Gated SPECT, Whole body SPECT), Imaging modes include single photon, multi-isotope, and multi-peak, with data stored in frame/list mode. The imaging-enhancement features include assortment of collimators, gating by physiological signals, and real-time automatic body contouring. | | |
| • CT System: produces Cross sectional images of the body by computer reconstruction of X-Ray transmission data taken at different angles and planes, including Axial, Cine, Helical (Volumetric), Cardiac, and Gated acquisitions. These images may be obtained with or without contrast. The CT system is indicated for head, whole body, cardiac and vascular X-Ray Computed Tomography applications. | | |
| • NM + CT System: Combined, hybrid SPECT and CT protocols, for CT-based SPECT attenuation corrected imaging as well as functional and anatomical mapping imaging (localization, registration, and fusion). | | |
| The Aurora system may include signal analysis and display equipment, patient and equipment supports, components and accessories. The system may include digital processing of data and images, including display, quality check, transfer, and processing, to produce images in a variety of trans-axial and reformatted planes. The images can also be post processed to obtain additional images, imaging planes, analysis results and uptake quantitation. The system may be used for patients of all ages. | | |
| Please select the types of uses (select one or both, as applicable). | ☑ Prescription Use (Part 21 CFR 801 Subpart D)
☐ Over-The-Counter Use (21 CFR 801 Subpart C) | |
Aurora
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K251153
GE Healthcare
510(k) Premarket Notification Submission for Aurora
GE HealthCare
# 510(k) SUMMARY OF SAFETY AND EFFECTIVENESS
This 510(k) summary of Safety and Effectiveness information is submitted in accordance with the requirement of 21 CFR Part 807.87(h):
Date: April 14, 2025
Submitter: GE Medical Systems Israel, Functional Imaging (GE Healthcare)
4 Hayozma Street
Tirat Hacarmel, 30200, Israel
Primary Contact: Hanne Jubran
Senior Regulatory Affairs Leader
GE Healthcare
Tel: +972-4-8563666
Fax: +972-4-8577662
email: hannejubran@gehealthcare.com
Secondary Contacts: John Jaeckle
Chief Regulatory Affairs Engineer and Strategist
GE Healthcare
Tel: 262-424-9547
email: John.Jaeckle@gehealthcare.com
Device Trade Name: Aurora
Device Classification: Class II
Regulation Number 21CFR 892.1200 & 21CFR 892.1750
Product Code: KPS & JAK
| Predicate Device Information | |
| --- | --- |
| Device Name | Aurora |
| Manufacturer | GE Medical Systems Israel, Functional Imaging |
| 510(k) number | K243605 |
| Regulation number | 21CFR 892.1200 and 21CFR 892.1750 |
| Product Code | KPS and JAK |
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GE Healthcare
510(k) Premarket Notification Submission for Aurora
GE HealthCare
## Marketed Device
GE HealthCare’s (GEHC) subject Aurora device is a modification to the predicate Aurora (K243605) device by adding a new deep-learning Automatic Kidney Segmentation algorithm to the “Realtime Time Activity Curve” software feature cleared under Aurora system (K243605). This method is intended to automatically localize and outline kidneys on Nuclear Medicine Dynamic Renal Scintigraphy images to reduce manual steps by the user during patient scan and lessen technologist’s work. The outputted segmentation must be confirmed by the user.
Aurora’s Indications for Use remain unchanged to those cleared under Aurora system (K243605).
## Device Description
GEHC’s Aurora is a SPECT-CT system that combines an all-purpose Nuclear Medicine imaging system and the commercially available Revolution Ascend system. It is intended for general purpose Nuclear Medicine imaging procedures as well as head, whole body, cardiac and vascular CT applications and CT-based corrections and anatomical localization of SPECT images. Aurora does not introduce any new Intended Use.
Aurora consists of two back-to-back gantries (i.e. one for the NM sub-system and another for the CT subsystem), patient table, power distribution unit (PDU), operator console with a computer for both the NM acquisition and SmartConsole software and another for the CT software, interconnecting cables, and associated accessories (e.g. NM collimator carts, cardiac trigger monitor, head holder). The CT sub-system main components include the CT gantry, PDU, and CT operator console. All components are from the commercially available GEHC Revolution Ascend CT system.
## Intended Use
The Aurora system is intended for general Nuclear Medicine imaging procedures for detection of radioisotope tracer uptake in the patient body. It includes a general purpose Nuclear Medicine system using a variety of scanning modes supported by various acquisition types, and a Computed Tomography system which is intended for enabling attenuation correction and anatomical localization of SPECT images and for standalone head, whole body, cardiac and vascular X-ray Computed Tomography applications.
## Indications for Use
The Aurora system is a medical tool intended for use by appropriately trained healthcare professionals to aid in detecting, localizing, diagnosing of diseases and in the assessment of organ function for the evaluation of diseases, trauma, abnormalities, and disorders such as, but not limited to, cardiovascular disease, neurological disorders and cancer. The system output can also be used by the physician for staging and restaging of tumors; and planning, guiding, and monitoring therapy, including the nuclear medicine part of theragnostic procedures.
- NM System: General Nuclear Medicine imaging procedures for detection of radioisotope tracer uptake in the patient body, using a variety of scanning modes supported by various acquisition types and imaging features designed to enhance image quality. The scanning modes include
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GE Healthcare
510(k) Premarket Notification Submission for Aurora
3
GE HealthCare
planar mode (Static, Multi-gated, Dynamic and Whole body) and tomographic mode (SPECT, Gated SPECT, Whole body SPECT), Imaging modes include single photon, multi-isotope, and multi-peak, with data stored in frame/list mode. The imaging-enhancement features include assortment of collimators, gating by physiological signals, and real-time automatic body contouring.
- CT System: produces Cross sectional images of the body by computer reconstruction of X-Ray transmission data taken at different angles and planes, including Axial, Cine, Helical (Volumetric), Cardiac, and Gated acquisitions. These images may be obtained with or without contrast. The CT system is indicated for head, whole body, cardiac and vascular X-Ray Computed Tomography applications.
- NM + CT System: Combined, hybrid SPECT and CT protocols, for CT-based SPECT attenuation corrected imaging as well as functional and anatomical mapping imaging (localization, registration, and fusion).
The Aurora system may include signal analysis and display equipment, patient and equipment supports, components and accessories. The system may include digital processing of data and images, including display, quality check, transfer, and processing, to produce images in a variety of trans-axial and reformatted planes. The images can also be post processed to obtain additional images, imaging planes, analysis results and uptake quantitation. The system may be used for patients of all ages.
## Technological Characteristics
The proposed Aurora device employs the same fundamental scientific technology as the predicate Aurora (K243605) device.
The table below summarizes the substantive feature / technological differences between the predicate and proposed devices.
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GE Healthcare
510(k) Premarket Notification Submission for Aurora
GE HealthCare
| Specification / Attribute | Predicate Device: Aurora (K243605) | Proposed Device: Aurora |
| --- | --- | --- |
| NM System | Dual Nal-based detectors NM system for Planar and SPECT imaging, with “Real-time Time Activity Curve” option for Planar Dynamic Scans | Dual Nal-based detectors NM system for Planar and SPECT imaging, with “Real-time Time Activity Curve” option for Planar Dynamic Scans and DL Automatic Kidney Segmentation |
| CT System | GEHC Commercially Available Revolution Ascend (K213938) | GEHC Commercially Available Revolution Ascend (K213938) |
| Patient Table | Dual axis table for Planar, SPECT, CT and SPECT / CT Imaging
SPECT Scan Range: 200cm
SPECT-CT Scan Range: 185 cm | Dual axis table for Planar, SPECT, CT and SPECT / CT Imaging
SPECT Scan Range: 200cm
SPECT-CT Scan Range: 185 cm |
| Standards Conformance | IEC 60601-1 and applicable Collateral and Particular Standards. | IEC 60601-1 and applicable Collateral and Particular Standards. |
Aurora’s technological characteristics do not create new questions of safety or effectiveness, and did not introduce any new risks/hazards, warnings, or limitations.
## Determination of Substantial Equivalence
Summary of Non-Clinical, Design Control Testing
Aurora has successfully completed the design control testing per our quality system. No additional hazards were identified, and no unexpected test results were observed. Aurora was designed and is manufactured under the Quality System Regulations of 21CFR 820 and ISO 13485. GEHC believes that the extensive bench testing performed are sufficient for FDA’s substantial equivalence determination.
Aurora has been independently tested and conforms with IEC 60601-1 and its applicable Collateral and Particular Standards including IEC 60601-1-2, 60601-1-3, 60601-2-44, as well as performance testing per NEMA NU-1.
The following quality assurance measures were applied to the development of the system:
- Risk Analysis
- Required Reviews
- Design Reviews
- Testing on unit level (Module verification)
- Integration testing (System verification)
- Performance testing (Verification)
- Safety testing (Verification)
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GE Healthcare
510(k) Premarket Notification Submission for Aurora
5
GE HealthCare
- Simulated use testing (Validation)
The testing and results did not raise new or different questions of safety and effectiveness than associated with predicate device. GE believes the proposed Aurora is of comparable type and substantially equivalent to our currently marketed system Aurora (K243605).
## Summary of Additional Testing
In addition to the verification and validation testing successfully completed as required by GE Healthcare’s quality system, additional engineering bench testing and clinical testing were performed to support substantial equivalence, demonstrate performance, and substantiate the product claims.
## Bench Testing
The additional engineering bench testing has successfully evaluated the performance of the DL Automatic kidney segmentation algorithm. The testing evaluated 70 planar NM renal studies acquired using GEHC systems from 2 hospitals in the United States and 1 hospital in Europe, serving a diverse patient population that include a range of ethnicities and demographics. The studies encompassed a range of dynamic renal clinical scenarios, detection technologies and collimators, tracers, scan parameters, and patient age. The studies were segregated, and not used in any stage of the algorithm development. The bench testing used the DICE similarity score to compare algorithm generated contours to ground truth (GT) contours, for evaluating performance against pre-defined acceptance criteria. The GT contours were reviewed and confirmed by an experienced Nuclear Medicine physician. The DL Automatic kidney produced an average DICE score above the predefined success criteria.
## Clinical Testing
The clinical testing evaluated the same 70 representative clinical exams, which were used in the additional bench testing. The results of the DL Automatic kidney Segmentation were evaluated by three qualified U.S. readers, who assessed the quality of the segmentation using a 4-point Likert scale. The readers evaluation demonstrated that generated segmentation was of acceptable utility, required minimal user interaction and supports the determination of substantial equivalence. All readers attested that the range of clinical cases reviewed in this evaluation provided adequate representation of the standard clinical practice and that the quality of the kidneys’ segmentation generated by the algorithm was acceptable.
## Substantial Equivalence Conclusion:
The DL Automatic Kidney Segmentation associated with Aurora does not change the Indications for Use or Intended Use from the predicate and represent equivalent, previously cleared technological characteristics, with no changes to the energy type, operating principles, or control mechanisms.
GEHC’s quality system’s design, verification, and risk management processes did not identify any new hazards, unexpected results, or adverse effects stemming from the changes to the predicate.
Aurora with DL Automatic kidney Segmentation was developed under GE Healthcare’s quality system. Design verification, along with bench testing and the clinical reader evaluation included in “Performance Testing” section of this submission, demonstrate that Aurora is substantially equivalent to, and hence as safe and effective for its Intended Use as the legally marketed predicate device.
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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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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.