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Emerging Medical Technologies

This website provides licensing guidance for emerging medical technologies. The licensing guidance consists of general licensing considerations, specific radiation safety aspects of the emerging medical technology, and training and experience expectations for those authorized to use the emerging medical technology. This website may also help stakeholders who are developing new methods and technologies that may one day be used to treat medical patients. It also contains a record of the emerging medical technologies whose use has been evaluated for licensing by the NRC. Contact Us to submit medical-related inquiries.
 
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NRC Review of Emerging Medical Technologies

In 2020, the NRC instituted a streamlined process for the reviews of emerging medical technologies. The NRC established a Standing Committee composed of NRC and Agreement State staff, to help facilitate early feedback regarding reviews of emerging medical technologies and licensing guidance development. The charter and State Agreement procedure for the Standing Committee for Reviewing Emerging Medical Technologies (SCREMT) are publicly available. The SCREMT meets on an as needed basis to provide feedback on licensing determination for emerging medical technologies, as well as to review and comment on draft licensing guidance documents developed by the NRC.
 

Manufacturers: Have a New Medical Use and Looking to get Started?

If you are a manufacturer or early user of a new medical use, see these frequently asked questions and answers for emerging medical technology (EMT) licensing. Frequently Asked Questions For Licensing of Emerging Medical Technologies.
 

Status of NRC Review of Emerging Technologies

The medical use of radioactive material is regulated in Title 10 of the Code of Federal Regulations (CFR), Part 35. Medical uses in 10 CFR Part 35 are divided into categories based on the type of material and the purpose of use. 10 CFR 35, Subpart K (also known as 10 CFR 35.1000), provides a licensing pathway for emerging medical technologies that are not addressed by the other categories described in 10 CFR Part 35 (i.e. 10 CFR 35 Subparts D through H) because of their unique use or other radiation safety properties, 10 CFR 35, Subpart K, or 10 CFR 35.1000.

Specifically, 10 CFR 35.1000 allows licensees to be approved for use of emerging medical technologies if the licensee has submitted the information required by § 35.12(b) through (d) and has received written approval from the NRC in a license and uses the material in accordance with the regulations and specific conditions the NRC considers necessary for the medical use of the material. The NRC publishes 10 CFR 35.1000 licensing guidance documents which contain one set of regulations and specific conditions that the NRC finds as an acceptable means of satisfying this requirement. In addition, these guidance documents contain additional guidance for use. The currently available guidance documents are found below.

Note: New entries will be added as additional emerging technologies are identified. Licensing guidance will be updated when necessary to address comments from stakeholders. To submit comments on or inquire about a specific licensing guidance document, contact the individual listed in that document or contact us using our electronic form. If applicable, you can also contact the appropriate NRC Regional Office or Agreement State for assistance.

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10 CFR 35.1000 licensing guidance
Technology Name Status Document
Date
Document(s)
Akesis Galaxy RTi Licensed under 35.1000 August 2024 Licensing Guidance
Alpha Tau Alpha DaRTTM Manual Brachytherapy Licensed Under 35.1000 February 2025 Licensing Guidance
(Revision 1)
 
Supersedes:
March 2022

Consolidated Technical Analysis
Best Vascular, Inc. Beta-Cath Intravascular Brachytherapy (IVB) System Licensed under 35.1000 August 2006 Licensing Guidance
Eye90 microspheres Licensed Under 35.1000 September 2024 Licensing Guidance
Germanium-68/Gallium-68 Pharmaceutical Grade Generator (IRE Galli Eo, Eckert & Ziegler) Licensed under 35.1000 July 2019 Licensing Guidance
Leksell Gamma Knife® Perfection™, Icon™, and Elekta Esprit Licensed under 35.1000 May 2023 Licensing Guidance

Supersedes:
January 2019
May 2016
July 2007 (Perfexion only)
Low Activity Radioactive Seeds Used for Localization of Non-Palpable Lesions and Lymph Nodes Licensing Guidance Licensed under 35.1000 October 2016 Licensing Guidance

Supersedes:
Sept 2006
LV Liberty Vision Yttrium-90 Disc and iWand® Ophthalmic System Licensed under 35.1000 June 2025 Licensing Guidance

Consolidated Technical Analysis
NeoVista, Inc's Epi-Rad90 (Sr-90) Ophthalmic System Licensed under 35.1000 April 2009 Licensing Guidance
TheraSphere and SIRSpheres Yttrium-90 Microspheres Licensed under 35.1000 April 2021 Licensing Guidance
(Revision 10.2)

Supersedes:
March 2020
November 2019
February 2016
June 2012
Oct 2011
Jan 2011
Sept 2008
Aug 2008
Dec 2007
Sept 2007
Jan 2004
Oct 2002
Xcision® GammaPod™ Licensed under 35.1000 January 2020 Licensing Guidance

Many emerging medical technologies can be licensed under current 10 CFR Part 35 Subparts and is not required to be licensed under 10 CFR 35.1000. However, as the technology is new, there are sometimes questions associated with how to license it or use it safely. Therefore, the NRC also issues licensing memos to enable efficient licensing of the new use. These are found below:

Emerging Medical Technology Licensing Memos
Technology Name Status Document
Date
Document(s)
Targeted Alpha Therapy Radioisotopes Licensed under 35.300 August 2026 MEMO: Licensing and Oversight for Targeted Alpha Therapy Radioisotopes
CivaDermTM Superficial Manual Brachytherapy Device Licensed under 35.400 July 2023 MEMO: Licensing Guidance for Superficial Manual Brachytherapy CivaDerm Device
GT Medical Technologies Gammatile Licensed under 10 CFR 35.400 August 2019 MEMO: Licensing for Medical Technologies Gammatile
Lutetium-177 Radiopharmaceuticals (Lutathera®, PluvictoTM) Licensed under 35.300 December 2022 MEMO: Licensing of Lutetitum-177 (revised)

Supersedes:
June 2018
Radium-223 Dichloride Licensed under 35.300 January 2013 MEMO: Licensing for Ra-223 Dichloride
RefleXion Medical Radiotherapy System Licensed under 10 CFR 35.200 for localization April 2025 MEMO: Licensing for RefleXion Medical Radiotherapy System
Technegas® Aerosol and Technegas Plus System Licensed under 35.200 January 2024 MEMO: Licensing for Technegas Aerosol and Technegas Plus System
Thorium Generators Licensed as  byproduct material April 2025 MEMO: Licensing of Thorium Generators

Past 35.1000 Licensing Guidance

The table below provides retired 10 CFR Part 35.1000 Licensing Guidance documents for systems no longer being commercially sold and licensed.

Retired Licensing Guidance
Technology Name Status Document
Date
Document(s)
ViewRay System for Radiation Therapy Licensed under 35.1000 July 2013 Licensing Guidance
NorthStar Medical Radioisotopes, LLC RadioGenix™ Molybdenum-99/Technetium-99m Generator System Licensed under 35.1000 and 10 CFR 30.33 December 2021 Licensing Guidance

(Revision 2)

Supersedes the Temporary Addendum and Revision 1
May 2021 Temporary COVID-19 Addendum
January 2020

Licensing Guidance
(Revision 1)

Supersedes:
Feb 2018

I-125 Iotrex Liquid Brachytherapy Source in Cytyc GliaSite Radiation Therapy Systemm Licensed under 35.1000 August 2006 Licensing Guidance
Nucletron seedSelectron® System, Isotron Brachytherapy Sources and Nucletron FIRST™ System Retracted N/A N/A

Page Last Reviewed/Updated Wednesday, November 04, 2026