Intraluminal Sensor with Electromagnet for Plaque Detection

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Current technologies lack effective intraluminal sensors for multifunctional characterization of injured, stunned, infarcted myocardium, atherosclerotic plaques, and tumors, as they are unable to simultaneously measure various physiological parameters and magnetic field distributions within bodily structures.

Innovation Solution

An intraluminal sensor design featuring a catheter-mounted sensing element with a built-in electromagnet and auxiliary sensors for measuring magnetic fields, temperature, pressure, pH, and chemical composition, along with a dual beam ultrasonic transmitter to introduce mechanical vibrations and a magnetically active agent conduit for enhanced diagnostic capabilities.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If multiple separate sensors are used to measure different physiological parameters, then measurement coverage is improved, but device complexity increases

Engineering Contradiction:
Improvemeasurement coverageVSAvoiddevice complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent combines multiple sensing elements (magnetic field sensors, temperature sensors, pressure sensors, pH sensors, and chemical composition sensors) into a single integrated intraluminal sensor assembly mounted on the catheter. This merging approach allows simultaneous measurement of multiple physiological parameters while maintaining a unified device structure, thus improving measurement coverage without proportionally increasing device complexity.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The intraluminal sensor is designed as a universal platform capable of performing multiple measurement functions through different sensing elements. The sensor assembly can measure magnetic field distributions, temperature, pressure, pH, and chemical composition, making it adaptable to various diagnostic needs while using a single device platform.

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

2Measurement precision

If high precision magnetic field sensing is implemented, then measurement precision is improved, but device complexity increases

Engineering Contradiction:
Improvemagnetic field measurement precisionVSAvoiddevice complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The magnetic field sensing function is divided into multiple differential sensing elements arranged in specific configurations (single axis, plane, or multiple axes). This segmentation allows each sensing element to focus on specific magnetic field components, improving measurement precision through differential measurements while keeping individual element complexity manageable.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent introduces a built-in electromagnet assembly as an intermediary component that generates reference magnetic fields. This electromagnet serves as a mediator to enhance the precision of magnetic field measurements by providing known reference fields against which tissue magnetic properties can be measured, thereby improving measurement precision without directly increasing sensing element complexity.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Adaptability or versatility

If auxiliary sensors for multiple parameters are added, then adaptability is improved, but device complexity increases

Engineering Contradiction:
Improvephysiological parameter measurement capabilityVSAvoiddevice complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent merges auxiliary sensing elements for temperature, pressure, pH, and chemical composition measurements with the magnetic field sensing elements into a single integrated sensor assembly. All these auxiliary sensors share common structural support, power supply, and signal processing pathways, thereby improving adaptability for comprehensive physiological monitoring while minimizing the increase in device complexity through shared infrastructure.

Inventive Principle:
Principle #5Merging (Combining)

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 comprehensive characterization of areas of interest by measuring magnetic fields and distributions, identifying magnetically active agent accumulation, and analyzing data to locate vulnerable plaques, improving diagnostic accuracy for medical applications.

Implementation Method 1

The sensor is adapted to sense various parameters of a local magnetic field or a magnetic field distribution of an area of interest adjacent an artery, vein or other bodily structure

Methodology Applied
Scientific EffectMagnetic field detection: Magnetometer

Implementation Method 2

The ultrasonic transmitter, which can be a dual beam ultrasonic transmitter, is adapted to introduce a mechanical vibration to locations with in the area of interest

Methodology Applied
Scientific EffectUltrasonic vibration: Ultrasonic Vibration

Implementation Method 3

The coil is adapted to introduce a modulation to the locations with in the area of interest

Methodology Applied
Scientific EffectElectromagnetic induction: Electromagnetic Induction

Implementation Method 4

applying an ultrasonic beam to the area of interest to induce mechanical vibrations of magnetically active agents accumulated in loci within the area of interest

Methodology Applied
Scientific EffectMagnetic accumulation: Magnetism

Data Source

PatentUS8380279B2Intraluminal multifunctional sensor system and method of use
Publication Date: 2013.02.19 UNIV HOUSTON SYST
  • US8380279B2 patent drawing
  • US8380279B2 patent drawing
  • US8380279B2 patent drawing

AI summary

An intraluminal sensor designs for multifunctional characterization of injured, stunned, infarcted myocardium, atherosclerotic plagues and tumors are disclosed. Various embodiments of the present invention comprise the sensor tips for a catheter. The tips comprises differential sensor arrangements, and use built-in electromagnet assemblies for a single or multiple axis sensing of various parameters of local magnetic field.