Adaptive Helmholtz Coil Fields for Real-Time Cell Response Control

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Existing electromagnetic field devices are inflexible and lack the ability to adapt their operating parameters in real-time to the effects observed on cell samples, limiting their effectiveness in applications such as tumor cell treatment.

Innovation Solution

An apparatus and method that allows for the modification and control of low-frequency electromagnetic fields based on real-time feedback from cell samples, using a system comprising a function generator, power amplifier, magnetic structure, and cell detection unit to adjust frequency and intensity for optimal treatment.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If electromagnetic field devices operate according to preset work programs with fixed parameters, then the device operation is simple and reliable, but the device cannot adapt to real-time changes in cell sample responses

Engineering Contradiction:
Improveadaptability to real-time cell responsesVSAvoiddevice complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent implements a feedback mechanism where the state of cell samples is continuously monitored and used to adjust electromagnetic field parameters in real-time. The system measures cell responses (such as proliferation rate, apoptosis markers, or other biological indicators) and feeds this information back to the control unit, which then modifies field intensity, frequency, or duration accordingly. This closed-loop control enables the device to adapt to real-time cell responses while maintaining manageable complexity through automated feedback processing.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The patent transforms the static, fixed-parameter operation into a dynamic system where electromagnetic field parameters can change in real-time based on cell sample responses. The control unit adjusts field characteristics dynamically during treatment sessions, allowing the system to respond to changing biological conditions. This dynamic operation enables adaptability without requiring complete system redesign, as the core electromagnetic generation remains similar to conventional devices.

Inventive Principle:
Principle #15Dynamics

2Reliability

If electromagnetic field parameters are fixed according to predetermined protocols, then the device is easy to operate, but the effectiveness of treatment is limited

Engineering Contradiction:
Improvetreatment effectivenessVSAvoidease of operation
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The patent enables the system to self-adjust treatment parameters based on real-time monitoring of cell sample responses. The control unit automatically modifies electromagnetic field parameters without requiring constant manual intervention, allowing the device to optimize its own operation. This self-service capability improves treatment effectiveness by adapting to actual biological responses while maintaining ease of operation, as the system handles the complexity of real-time adjustments autonomously.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The system incorporates continuous feedback from cell sample monitoring to automatically adjust treatment parameters. The control unit receives real-time data on cell responses and modifies field intensity, frequency, or duration accordingly, ensuring optimal treatment effectiveness. This feedback-driven approach maintains ease of operation by automating the decision-making process, eliminating the need for operators to manually interpret complex biological data and adjust parameters.

Inventive Principle:
Principle #23Feedback

3Reliability

If real-time monitoring and adjustment of electromagnetic fields is implemented, then treatment effectiveness is improved, but the device complexity increases

Engineering Contradiction:
Improvetreatment effectivenessVSAvoiddevice complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent implements a feedback control system where cell sample state is continuously monitored and used to adjust electromagnetic field parameters in real-time. The control unit processes biological data (such as proliferation rate, apoptosis markers, or other cellular responses) and automatically modifies field characteristics to optimize treatment effectiveness. This feedback mechanism improves reliability by ensuring treatment parameters always match actual biological conditions, while the automated nature of the system manages the complexity burden.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The patent designs the control unit to perform multiple functions: monitoring cell sample state, analyzing biological data, determining appropriate parameter adjustments, and controlling electromagnetic field generation. By consolidating these functions into a single multi-functional control system, the patent reduces overall device complexity compared to having separate dedicated systems for each function. The universal control unit handles real-time monitoring and adjustment tasks, improving treatment effectiveness while keeping the device architecture manageable.

Inventive Principle:
Principle #6Universality (Multi-functionality)

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 and adaptive application of electromagnetic fields, effectively slowing tumor cell proliferation while minimizing impact on healthy cells, with real-time feedback and adjustment capabilities.

Implementation Method 1

a power amplifier unit (3) electrically connected to the function generator unit (2) and adapted to amplify the oscillating signal and generate alternating or pulsed electromagnetic fields at very low frequency

Methodology Applied
Scientific EffectElectromagnetic field generation: Electromagnetic Induction

Implementation Method 2

a magnetic structure (4) having a predetermined area (40) wherein the electromagnetic fields are induced

Methodology Applied
Scientific EffectMagnetic field confinement: Magnetic Field

Data Source

PatentEP3496809B1Apparatus and method for the determination and the application of electromagnetic fields for influencing in vitro cell growth
Publication Date: 2025.08.13 POLITECNICO DI TORINO
  • EP3496809B1 patent drawingFigure 1
  • EP3496809B1 patent drawingFigure 2
  • EP3496809B1 patent drawingFigure 3

AI summary

The invention relates to an apparatus for the application of low-frequency magnetic fields to in vitro cell samples. The magnetic fields are induced with Helmholtz coils and their effect on the cell samples is observed under the microscope; the results of the observations are processed according to appropriate algorithms, so as to provide any feedback corrections of the magnetic fields to achieve the desired effects. The apparatus is particularly suitable for tumor cell samples.