Real-Time 3D MRI Visualization via Virtual Reality Interface
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Solution Overview
Problem
Current MRI systems lack the capability to visualize and interact with MRI data in real-time in three and four dimensions, which is essential for guiding interventional procedures with precision and efficiency.
Innovation Solution
A system and method that includes an image reconstruction module, an image rendering module, and a user interface device configured to display and interact with multidimensional MRI images in real-time, utilizing virtual reality or augmented reality environments, allowing for enhanced visualization and interaction during interventional procedures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional MRI systems are used for image guidance, then basic 2D imaging is available, but real-time 3D/4D visualization and interaction capability is lacking
Solution Approach 1:
The patent transitions from traditional 2D MRI display to 3D volumetric visualization with 4D temporal dimension, enabling operators to view and interact with anatomical structures in multiple dimensions simultaneously. This dimensionality enhancement directly addresses the limitation of conventional 2D imaging while providing comprehensive spatial and temporal information for interventional procedures.
Solution Approach 2:
The system introduces a virtual reality environment as an intermediary layer between the MRI data and the operator. This VR intermediary enables natural interaction through hand gestures and provides intuitive 3D/4D visualization without requiring the operator to directly manipulate complex traditional MRI interfaces, thus enhancing adaptability while managing complexity.
2Measurement precision
If real-time 3D/4D visualization is implemented, then precision and efficiency of interventional procedures improve, but computational requirements and processing time increase
Solution Approach 1:
The system performs preliminary actions by pre-processing MRI data into volumetric formats and preparing 3D/4D visualization pipelines before actual interventional procedures. This allows real-time rendering during procedures without requiring excessive computational power at the moment of guidance, as the heavy processing is done in advance.
Solution Approach 2:
The patent creates simplified 3D/4D copies or representations of the complex MRI data that can be rendered and interacted with in real-time. These visual copies provide the necessary precision for guidance while requiring significantly less computational power than processing and displaying the full raw MRI datasets in real-time.
3Ease of operation
If virtual reality interface is used for interaction, then user interaction with multidimensional data is enhanced, but hardware requirements and cost increase
Solution Approach 1:
The patent replaces traditional mechanical interaction methods (buttons, knobs, mouse operations) with gesture-based control in a virtual reality environment. This substitution allows operators to interact naturally with 3D/4D MRI data using hand movements, significantly improving ease of operation while the system manages the underlying hardware complexity through software abstraction.
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 real-time visualization and interaction with MRI data in three and four dimensions, improving the precision and efficiency of interventional procedures by providing a more intuitive and dynamic interface for operators.
Implementation Method 1
When a substance such as human tissue is subjected to a uniform magnetic field (polarizing field B0), the individual magnetic moments of the nuclear spins in the tissue attempt to align with this polarizing field, but precess about it in random order at their characteristic Larmor frequency.
Implementation Method 2
the individual magnetic moments of the nuclear spins in the tissue attempt to align with this polarizing field, but precess about it in random order at their characteristic Larmor frequency
Implementation Method 3
When utilizing these signals to produce images, magnetic field gradients (Gx, Gy, and Gz) are employed. Typically, the region to be imaged experiences a sequence of measurement cycles in which these gradients vary according to the particular localization method being used.
Data Source
AI summary
A system for displaying and interacting with magnetic resonance imaging (MRI) data acquired using an MRI system includes an image reconstruction module configured to receive the MRI data and to reconstruct a plurality of images using the MRI data, an image rendering module coupled to the image reconstruction module and configured to generate at least one multidimensional image based on the plurality of images and a user interface device coupled to the image rendering module and located proximate to a workstation of the MRI system. The user interface device is configured to display the at least one multidimensional image in real-time and to facilitate interaction by a user with the multidimensional image in a virtual reality or augmented reality environment.