Adaptive SPECT Detector Units for Flexible Imaging
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Solution Overview
Problem
Conventional SPECT imaging systems lack flexibility and customization based on patient needs and operational constraints, with limited reconfigurability and inflexible design that restricts their application to specific types of scans.
Innovation Solution
An adaptive imaging system with a gantry and movable detector units, controlled by a controller to adjust positions and configurations based on installation information, allowing for customizable imaging operations and dynamic adjustment of detector units for optimal image acquisition.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional SPECT imaging systems use fixed gamma cameras mounted on a single gantry, then the system structure is simple and cost-effective, but the imaging flexibility and adaptability to different patient needs are limited
Solution Approach 1:
The imaging system is divided into multiple independent detector units (first, second, third, and fourth detector units) that can be independently positioned and configured. Each detector unit can be selectively activated based on the specific imaging task, allowing the system to adapt to different patient needs while maintaining a manageable overall structure.
Solution Approach 2:
The detector units are designed to be movable relative to the gantry, enabling dynamic repositioning during imaging operations. The controller independently controls the position of each detector unit, allowing the system to adapt its configuration in real-time based on the imaging scenario and patient requirements.
2Adaptability or versatility
If gamma cameras are formed from particular materials with specific collimation, then the imaging sensitivity and resolution are optimized for specific scan types, but the system cannot be easily reconfigured for different applications
Solution Approach 1:
The system uses multiple detector units that can be independently configured with different materials and collimation types. This segmentation allows each unit to be optimized for specific applications while the overall system remains reconfigurable by selectively activating different units for different scan types.
Solution Approach 2:
The gantry is designed to accommodate multiple detector units with different configurations, making the system universal enough to handle various imaging applications. The controller manages the independent positioning and operation of each unit, enabling the system to switch between different imaging modes without physical reconfiguration.
3Measurement precision
If the system uses multiple detector units with independent positioning control, then the imaging quality and flexibility are improved, but the device complexity and control requirements increase
Solution Approach 1:
The controller receives installation information about the configured detector units and automatically develops an image acquisition scenario. The system uses this feedback to autonomously determine the optimal positions and configurations of detector units, reducing the burden on operators while maintaining high imaging quality through precise independent positioning control.
Solution Approach 2:
The system automatically adjusts the positions of detector units based on the imaging task and installed configuration. The controller independently manages the positioning and coordination of multiple detector units without requiring manual intervention, thereby improving imaging quality while keeping the control system manageable through automation.
4Productivity
If the system automatically adjusts imaging operations based on configuration changes, then the operational efficiency is improved, but the automation requirements and system complexity increase
Solution Approach 1:
The controller automatically detects configuration changes and installation information, then adjusts imaging operations accordingly. This feedback-driven automation improves operational efficiency by eliminating manual reconfiguration steps while maintaining a manageable automation level through rule-based decision-making algorithms.
Solution Approach 2:
The system pre-configures imaging scenarios based on installed detector units and anticipated imaging tasks. When a imaging operation is requested, the controller has already prepared the optimal configuration, allowing rapid automatic adjustment without complex real-time decision-making, thereby improving efficiency while keeping automation requirements reasonable.
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
Enables flexible and cost-effective imaging by allowing systems to adapt to different patient needs and configurations, reducing scan time and improving image quality through customizable detector positioning and collimation.
Implementation Method 1
Detectors (e.g., gamma cameras), typically installed on a gantry, capture the radiation emitted by the radiopharmaceuticals
Data Source
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AI summary
A customizable and upgradable imaging system is provided. Imaging detector columns are installed in a gantry to receive imaging information about a subject. Imaging detector columns can extend and retract radially as well as be rotated orbitally around the gantry. The gantry can be partially populated with detector columns and the detector columns can be partially populated with detector elements. The system can automatically adjust an imaging operation based on installation information related to partial population or other factors such as scan type or subject specific information. This system can be a Nuclear Medicine (NM) imaging system to acquire Single Photon Emission Computed Tomography (SPECT) image information.