3D Magnetic Head Layout for Steering Magnetotactic Entities
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing systems for steering magnetotactic entities in a subject face logistical and dimensional challenges due to space constraints and the size of magnetic field sources, particularly when generating a 3D convergence point for clinical use in medical interventions.
Innovation Solution
A system with six magnetic field sources arranged in pairs along three orthogonal axes, supported by a structure that allows sufficient space for medical interventions, enabling a 3D convergence point for magnetotactic entities to navigate and aggregate, using a time-varied magnetic field to steer these entities towards a target zone.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If magnetic field sources are arranged to generate a 3D convergence point for steering magnetotactic entities, then steering precision is improved, but space constraints and device complexity increase
Solution Approach 1:
The magnetic field generation system is segmented into multiple independent magnetic field sources (at least three, preferably six) arranged along orthogonal axes. Each source can be independently controlled to generate time-varying magnetic fields, allowing precise steering of magnetotactic entities to 3D convergence points while maintaining manageable system complexity through modular architecture
Solution Approach 2:
The system transitions from 2D magnetic field manipulation to 3D convergence point generation by arranging magnetic field sources along three orthogonal axes (x, y, z). This dimensional expansion enables precise spatial control of magnetotactic entities in three-dimensional space, achieving accurate steering to target zones deep within subjects
2Reliability
If magnetic field sources are positioned close to the subject for effective steering, then steering effectiveness is improved, but space for medical interventions is reduced
Solution Approach 1:
The magnetic field sources are designed to generate time-varying magnetic fields rather than static fields. This dynamic approach allows the system to create moving convergence points that can be steered through 3D space, maintaining effective magnetic field gradients near the subject while allowing physical space for medical personnel to access and treat the subject
Solution Approach 2:
Magnetotactic entities serve as intermediaries that carry therapeutic agents to target zones. The magnetic field sources steer these entities remotely through time-varying fields, eliminating the need for large physical magnetic sources to be positioned directly adjacent to the subject, thus preserving space for medical interventions while maintaining steering effectiveness
3Reliability
If continuous magnetic field is applied to steer magnetotactic entities, then steering reliability is improved, but power consumption increases
Solution Approach 1:
The magnetic field sources operate by applying time-varying periodic magnetic fields to steer magnetotactic entities. The fields are activated in sequences along different axes, creating oscillating convergence points that guide entities to target zones. This periodic operation maintains steering reliability while significantly reducing average power consumption compared to continuous field application
Solution Approach 2:
The system maintains continuous steering capability through coordinated time-varying fields from multiple sources, ensuring magnetotactic entities continuously navigate toward the target zone. The useful action of steering remains continuous even though individual magnetic sources operate intermittently in sequences, optimizing energy efficiency while preserving steering reliability
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 precise steering of magnetotactic entities to a target zone within a subject, accommodating various medical interventions by providing ample space for both the subject and medical personnel, while minimizing power consumption through directional control without displacement force.
Implementation Method 1
the directional motion can be influenced by inducing a torque from a directional magnetic field (e.g. from a permanent magnet) or electro-magnetic field (magnetic field includes here electro-magnetic field generated by an electrical current flowing in a conductor), a method referred to here as magnetotaxis where the direction of motion of such magnetotactic entities is influenced by a directional magnetic field
Data Source
AI summary
A system for steering magnetotactic entities in a subject having a propulsion system for navigating in a body of the subject using a magnetic field sufficient for influencing the direction of the magnetotactic entities while not without inducing a displacement force on the magnetotactic entities; it has a table for receiving a subject; three pairs of magnetic heads for generating the magnetic field for influencing a direction of the magnetotactic entities in a subject; and a support structure, surrounding the table, for supporting each of the magnetic heads of the three pairs of magnetic heads in a configuration wherein each pair is aligned along one of three axes and wherein each of the magnetic heads of each pair of the three pairs are facing one another, wherein the magnetic heads of the three pairs surround the table.