Modular Gantry Detectors for SPECT Imaging Flexibility
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Solution Overview
Problem
Conventional SPECT imaging systems lack flexibility and cost-effectiveness due to fixed gantry configurations, limited imaging capabilities, and inefficiencies in detector placement, which restrict their application and patient comfort.
Innovation Solution
A modular gantry system with multiple, independently controllable image detectors that can extend, retract, and pivot, allowing for various configurations to acquire SPECT or PET data from multiple angles, supported by a controller unit for optimized imaging operations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional fixed gantry configurations are used, then system simplicity is maintained, but imaging flexibility and adaptability are limited
Solution Approach 1:
The gantry system is divided into multiple independently controllable detector units that can be individually positioned, extended, retracted, and pivoted. Each detector operates as a separate module, allowing flexible configuration for different imaging protocols while maintaining manageable complexity through standardized interfaces and control systems.
2Adaptability or versatility
If multiple detectors are added to improve imaging capabilities, then imaging versatility increases, but system complexity and cost increase
Solution Approach 1:
Multiple detector units share common structural components including the gantry ring, carriage system, and control infrastructure. The detectors are designed with universal mounting mechanisms that allow them to perform various imaging functions (SPECT, PET, hybrid modalities) depending on configuration, reducing overall system complexity compared to having separate dedicated systems.
Solution Approach 2:
The detector system transitions from static fixed positions to dynamic adjustable positions, allowing detectors to extend, retract, and pivot during operation. This dynamic capability enables the same physical infrastructure to support multiple imaging protocols and patient positions without requiring separate dedicated detector assemblies for each function.
3Measurement precision
If detector arms are extended into the bore to improve imaging accuracy, then measurement precision improves, but patient comfort and gantry compactness deteriorate
Solution Approach 1:
Detector arms are designed to extend only when needed for precise imaging and can be retracted when not in use. This dynamic positioning allows the system to achieve high measurement precision during imaging operations while maintaining a compact, patient-friendly configuration during patient positioning and transfer, thereby improving both imaging accuracy and patient comfort.
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
Enhances imaging flexibility, reduces costs, and improves patient comfort by enabling compact, customizable imaging setups that can handle diverse scan types efficiently.
Implementation Method 1
Detectors (e.g., gamma cameras), typically installed on a gantry, capture the radiation emitted by the radiopharmaceuticals
Data Source
AI summary
A gantry system is provided. The gantry system may be used for acquiring image data and reconstructing the image data into output images. Image detectors include a detector arm and detector head. Image detectors are attached to a gantry in a compact configuration such that the image detector head may extend into the bore of a stator. The system can be a Nuclear Medicine (NM) imaging system to acquire Single Photon Emission Computed Tomography (SPECT) image information.