Particle Accelerator Sterilization System for Cobalt-60 Supply Resilience
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Solution Overview
Problem
The medical device sterilization industry faces challenges with the limited supply of cobalt-60 for gamma irradiation, leading to uncertainties about future sterilization methods, and there is a need for efficient and safe alternatives to harness irradiation for industrial and pharmaceutical applications.
Innovation Solution
The development of systems and methods that utilize electron beam or X-ray radiation for sterilization, which are allowed by regulatory agencies and have established safety and security benefits, including the use of particle accelerators, deflectors, and magnet arrays to redirect and focus beams for effective sterilization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If gamma radiation sterilization is used, then sterilization effectiveness is maintained, but cobalt supply limitations and market uncertainties increase
Solution Approach 1:
The patent changes the radiation source parameter from cobalt-60 gamma radiation to electron beam or X-ray radiation, allowing the sterilization process to continue without relying on cobalt supply while maintaining sterilization effectiveness through alternative radiation mechanisms
Solution Approach 2:
The patent creates a copy of the sterilization function using different physical principles - instead of relying on cobalt-60 decay, it uses electron beams or X-ray generation processes that can be independently controlled and supplied, replicating the sterilization effect without the supply chain vulnerabilities of cobalt
2Adaptability or versatility
If electron beam or X-ray sterilization is implemented, then supply chain resilience improves, but device complexity increases
Solution Approach 1:
The patent segments the sterilization system into modular components including particle accelerators, beam delivery systems, and control mechanisms, allowing each component to be independently designed, manufactured, and maintained, thereby reducing overall system complexity despite the advanced physics involved
Solution Approach 2:
The patent introduces intermediary components such as beam delivery systems and radiation monitoring devices that mediate between the complex particle acceleration processes and the simple sterilization requirement, abstracting the complexity away from the end user while maintaining supply chain resilience
3Reliability
If existing sterilization modalities are used, then regulatory acceptance is maintained, but productivity and throughput are limited
Solution Approach 1:
The patent employs periodic or pulsed electron beam irradiation cycles that can be rapidly applied to large batches of medical devices, significantly increasing throughput compared to continuous gamma irradiation, while maintaining regulatory compliance through controlled dose delivery protocols
Solution Approach 2:
The patent introduces dynamic control of the electron beam parameters including intensity, duration, and timing, allowing the system to adapt to different product types and sterilization requirements in real-time, thereby increasing productivity while maintaining regulatory acceptance through flexible dose management
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
These systems provide a resilient and scalable sterilization supply chain, capable of meeting high industry demands, while reducing reliance on cobalt-60 and navigating regulatory constraints, with increased power and throughput for efficient sterilization of medical devices and pharmaceutical products.
Implementation Method 1
X-rays may be produced by irradiating a target made of a material containing a large proportion of high atomic number atoms or ions with a suitably high-energy electron beam. The X-ray beam is produced by accelerating electrons across a large electric potential difference or electric gradient creating a beam of high-energy electrons and then guiding the beam to the target. The electrons in the electron beam interact with the electric field of the high atomic number nuclei and emit X-ray photons through the Bremsstrahlung process.
Implementation Method 2
a deflector configured to redirect the beam of charged particles, a vacuum chamber that prevents the atmosphere from interfering with the charged particles, and a magnet array for directing the beam of charged particles onto a product
Implementation Method 3
a vacuum chamber that prevents the atmosphere from interfering with the charged particles
Data Source
AI summary
A treatment system for treating or sterilizing products includes a particle accelerator configured to produce a beam of charged particles, a deflector configured to redirect the beam of charged particles, a vacuum chamber that prevents the atmosphere from interfering with the charged particles, and a magnet array for directing the beam of charged particles onto a product, wherein the beam of charged particles is used to sterilize the product.