Shielded Radiopharmaceutical Storage Device for Automated Dose Delivery
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Solution Overview
Problem
Conventional systems for the distribution, handling, and administration of radiopharmaceuticals face challenges due to their radioactive nature, leading to radiation exposure risks, limited applicability, and inefficiencies in storage, handling, and disposal, which restrict their use and efficacy.
Innovation Solution
A storage device and delivery system that includes a housing with a movable door, a vessel, and a fluid cassette, allowing for precise dose measurement and delivery without the need for manual handling, while ensuring radiation shielding and compatibility with automated systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual handling and preparation of radiopharmaceuticals is performed, then flexibility in administration is maintained, but human error and radiation exposure risk increase
Solution Approach 1:
The system enables self-service operation where the automated delivery system performs dose preparation and administration without requiring manual intervention. The controller automatically calculates dosing parameters, controls fluid delivery, and manages the entire administration process, eliminating human error while maintaining operational flexibility through programmable protocols
Solution Approach 2:
Manual mechanical handling operations are replaced with an automated electronic control system that uses sensors, controllers, and automated fluid delivery mechanisms. The system substitutes human operators with electronic control algorithms that precisely manage radiopharmaceutical delivery, reducing radiation exposure and dosing errors
2Productivity
If radiopharmaceuticals are prepared and administered quickly, then treatment availability is improved, but dosing precision may be compromised
Solution Approach 1:
The system performs preliminary actions by pre-calculating dosing parameters, pre-configuring delivery protocols, and pre-validating patient-specific parameters before actual administration. The controller prepares all necessary calculations and system configurations in advance, enabling rapid execution without compromising precision during the actual dose delivery
Solution Approach 2:
The system implements feedback mechanisms where sensors continuously monitor fluid delivery, and the controller adjusts parameters in real-time to maintain dosing precision. The system validates dosing parameters against predetermined criteria and provides feedback loops that ensure accuracy while maintaining rapid administration through automated real-time corrections
3Adaptability or versatility
If radiopharmaceuticals are stored for extended periods, then treatment flexibility is improved, but radioactive decay reduces therapeutic efficacy
Solution Approach 1:
The system dynamically adjusts dosing calculations based on the actual radioactive activity measured at the time of administration. The controller incorporates real-time activity measurements and decay corrections, allowing flexible scheduling while maintaining accurate dosing by compensating for radioactive decay through dynamic parameter adjustment
Solution Approach 2:
The system changes dosing parameters based on the elapsed time and measured radioactive activity. The controller modifies delivery parameters, volume calculations, and concentration estimates according to the actual decay state of the radiopharmaceutical, enabling extended storage flexibility while preserving therapeutic efficacy through parameter adaptation
4Reliability
If automated delivery systems are implemented, then human error is reduced, but device complexity and initial setup requirements increase
Solution Approach 1:
The system achieves universality by designing a multi-functional automated delivery platform that can handle various radiopharmaceutical types, patient populations, and administration protocols through a single integrated system. The controller supports multiple dosing algorithms and can be configured for different therapeutic scenarios, reducing the need for multiple specialized devices while maintaining dosing consistency
Solution Approach 2:
The system employs disposable fluid cassettes and single-use components that are pre-configured and sealed, eliminating the need for complex cleaning and validation procedures. These disposable elements contain all necessary fluid pathways and connections, simplifying system setup while maintaining dosing reliability through manufacturer-prepared, validated components
Data Source
AI summary
Systems and methods for distribution, storage, transport, administration and/or disposal of one or more therapeutic or diagnostic agents are disclosed. A storage device configured to connect to a delivery system for delivering the therapeutic or diagnostic agent has a housing with a chamber, a vessel having an access port positioned within the chamber. The door is movable relative to the housing between a closed position and an open position. In the closed position, the door covers an opening in the housing to enclose the chamber, and, in the open position, the door reveals the opening for accessing the access port of the vessel. The door is moveable between the closed position and the open position in response to actuation by an access mechanism of the delivery system.