Adaptive Radiation Therapy for Niche Environments

Publication ID: 24-11857803_0009_PTD
Published: October 28, 2025
Category:Specialized Variations & Niche Solutions

Legal Citation

pr1or.art Inc., “Adaptive Radiation Therapy for Niche Environments,” Published Technical Disclosure No. 24-11857803_0009_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857803_0009_PTD
This technical disclosure describes improvements that would be readily apparent to a Person Having Ordinary Skill In The Art (PHOSITA) when considered in combination with the foundational architecture disclosed in U.S. Patent No. 11,857,803.

Summary of the Inventive Concept

A system for providing implantable radiation sources with combined alpha and non-alpha radiation, tailored to specific, challenging operational environments, such as high-altitude, disaster-stricken, high-security, extreme weather, or limited medical infrastructure areas.

Background and Problem Solved

The original patent disclosed a radiotherapy apparatus with combined alpha and non-alpha radiation. However, it did not address the unique challenges of specific environments, such as high-altitude, disaster-stricken, high-security, extreme weather, or limited medical infrastructure areas. The new inventive concept adapts the original patent's technology to these niche environments, ensuring effective and safe radiation therapy in diverse settings.

Detailed Description of the Inventive Concept

The inventive concept comprises a range of specialized radiation therapy systems and methods, each tailored to a specific niche environment. For high-altitude environments, the system features a support adapted for insertion into a body of a subject at high elevations, with radionuclide atoms of an alpha-emitting substance attached to the support, having a desorption probability of at least 1% but less than 30%. For disaster-stricken areas, the method involves implanting a radiotherapy source carrying alpha emitting atoms with a desorption probability of at least 1% but less than 30%, and providing supplemental beta radiation to the tumor site. The radiation therapy apparatus for high-security facilities features a sealed enclosure containing a radiotherapy source carrying alpha emitting atoms with a desorption probability of at least 1% but less than 30%, and a security mechanism preventing unauthorized access to the sealed enclosure. The portable radiation therapy system for extreme weather conditions includes a weather-resistant housing containing a radiotherapy source carrying alpha emitting atoms with a desorption probability of at least 1% but less than 30%, and a power source adapted to operate in extreme temperatures. Finally, the method for providing radiation therapy in areas with limited medical infrastructure involves deploying a pre-configured, self-contained radiation therapy unit carrying a radiotherapy source with alpha emitting atoms having a desorption probability of at least 1% but less than 30%, and remotely monitoring and controlling the radiation therapy unit.

Novelty and Inventive Step

The new inventive concept's novelty lies in its adaptation of the original patent's technology to specific, challenging operational environments, such as high-altitude, disaster-stricken, high-security, extreme weather, or limited medical infrastructure areas. The inventive step is the tailored design of each system and method to address the unique challenges of its respective environment, ensuring effective and safe radiation therapy in diverse settings.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include variations in the design of the support, radionuclide atoms, or security mechanisms, depending on the specific environment. For example, the system for high-altitude environments could be modified to accommodate different atmospheric pressures, while the apparatus for high-security facilities could incorporate additional safety features.

Potential Commercial Applications and Market

The inventive concept has significant commercial potential in various industries, including healthcare, disaster relief, and security. The market for radiation therapy systems and methods tailored to niche environments is substantial, with potential applications in remote or disaster-stricken areas, high-security facilities, and extreme weather conditions.

Field of Art

Radiation therapy and medical device design, specifically focused on implantable radiation sources with combined alpha and non-alpha radiation treatment modalities

Person of Ordinary Skill (PHOSITA) Profile

A medical device engineer or radiation therapy specialist with expertise in nuclear medicine, radioisotope applications, and biomedical device design, holding advanced degrees in bioengineering, medical physics, or related fields

Obviousness Rationale

A person having ordinary skill in the art would recognize that the published technical disclosure represents predictable variations of the source patent's core radiation therapy technology by adapting the fundamental radiation source design to specific environmental contexts. The PTD maintains the essential technical features of the original patent while introducing contextual modifications that would be considered routine engineering adaptations for specialized medical deployment scenarios.

Obvious Combinations & Variations

Source Patent Element
Interstitial radiation source with alpha-emitting atoms attached to a base
PTD Variation
Specialized support adapted for insertion into body in high-altitude or challenging environments
Obviousness Reasoning
Modifying implantation support for specific environmental conditions represents a predictable design variation within standard medical device engineering practice
Source Patent Element
Alpha emitting atoms with specific concentration levels (6-12 μCi per centimeter)
PTD Variation
Radionuclide atoms with controlled desorption probability between 1-30%
Obviousness Reasoning
Adjusting radiation source characteristics through desorption probability modification represents a known technique for optimizing radiation delivery in medical applications
Source Patent Element
Base for implanting radiation source in tumors
PTD Variation
Adding supplemental beta radiation or security mechanisms for specialized deployment contexts
Obviousness Reasoning
Incorporating additional radiation types or protective features constitutes a logical extension of existing radiation therapy technology using known medical engineering approaches
Source Patent Element
Radiation source with low-diffusion polymer coating
PTD Variation
Weather-resistant housing or sealed enclosure for extreme environment deployment
Obviousness Reasoning
Enhancing device protection through specialized housing represents a standard engineering solution for adapting medical technologies to challenging operational environments
Source Patent Element
Radium-224 as alpha-emitting substance
PTD Variation
Remotely monitored, self-contained radiation therapy unit for limited infrastructure scenarios
Obviousness Reasoning
Implementing remote monitoring and self-contained design represents a predictable technological progression for medical devices in resource-constrained settings
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857803, a person having ordinary skill in the art would find the variations disclosed in the published technical disclosure to represent obvious extensions of the prior art, wherein the contextual adaptations of the radiation therapy source constitute routine engineering modifications that would be apparent to a skilled practitioner without requiring inventive insight beyond the existing technological framework.

Original Patent Information

Patent NumberUS 11,857,803
TitleDiffusing alpha-emitter radiation therapy with enhanced beta treatment
Assignee(s)Alpha Tau Medical Ltd