Segmented Compton Camera Modules for Clinical Integration
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Solution Overview
Problem
Compton imaging systems lack design and constraint flexibility and scalability to be effectively integrated into commercial clinical settings, failing to meet practical use requirements in clinical imaging platforms.
Innovation Solution
A modular Compton camera system composed of segmented modules with scatter and catcher detectors, allowing for flexible assembly into a ring or partial ring configuration, enabling integration with existing medical imaging platforms like CT, MR, and PET systems, and providing modular design for efficient manufacturing, servicing, and energy efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a Compton imaging system is constructed as a complete ring or large framework, then detection coverage and image quality are improved, but device complexity and difficulty of integration into clinical settings increase
Solution Approach 1:
The Compton camera is divided into multiple independent modular segments, each containing a scatter detector module and a catcher detector module. These modules can be independently manufactured, tested, and assembled. The segmentation allows the system to achieve comprehensive detection coverage when multiple modules are combined, while each individual module remains simple enough for clinical integration.
2Area of stationary object
If the Compton camera is designed as a fixed complete ring, then detection coverage is maximized, but adaptability to different clinical imaging platforms is reduced
Solution Approach 1:
The system is divided into discrete modular segments that can be configured in different arrangements. Clinicians can select the appropriate number and configuration of modules based on the specific clinical application and available space, enabling integration with various imaging platforms while maintaining adequate detection coverage.
Solution Approach 2:
The modular design allows the system configuration to be dynamically adjusted according to different clinical needs. Modules can be added or removed to create partial rings or different geometric arrangements, providing adaptability to various clinical imaging platforms and applications.
3Ease of manufacture
If the Compton camera uses a monolithic design, then manufacturing is simplified, but servicing and repair become more difficult and costly
Solution Approach 1:
Each detector module is designed as an independent unit with its own housing, scatter detector, catcher detector, and associated electronics. This segmentation enables individual modules to be manufactured using standardized processes, and more importantly, allows faulty modules to be independently removed and replaced without affecting the entire system, significantly easing servicing and repair operations.
4Volume of moving object
If the detector modules are closely spaced to form a compact ring, then the system footprint is reduced, but manufacturing precision requirements increase
Solution Approach 1:
The modular segment design with standardized interfaces allows for precise positioning through connection mechanisms between modules. Each module can be manufactured with controlled tolerances, and the modular connection system compensates for minor variations, achieving compact configuration without excessive precision requirements.
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
The modular design allows for flexible geometry, efficient assembly, and cost-effective servicing, enhancing image quality and detection efficiency while accommodating a wide range of isotope energies, enabling integration with various medical imaging systems.
Implementation Method 1
Compton imaging systems are constructed as test platforms, such as assembling a scatter ring and then a catcher ring mounted to a large framework. Electronics are connected to detect Compton-based events from emissions of a phantom.
Implementation Method 2
A first scatter detector connected with the first housing, and a first catcher detector connected with the first housing and spaced from the first scatter detector
Data Source
AI summary
A Compton camera for medical imaging is divided into segments with each segment including part of the scatter detector, part of the catcher detector, and part of the electronics. The different segments may be positioned together to form the Compton camera arcing around part of the patient space. By using segments, any number of segments may be used to fit with a multi-modality imaging system.