Ultrasonic Coupling Device with Hydrogel and NFC Integration

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Solution Overview

Problem

Existing ultrasonic coupling devices for medical applications lack efficient methods for delivering ultrasound radiation while also enabling wireless communication and hydration sensing.

Innovation Solution

The ultrasonic coupling device comprises a foam with an aperture, a hydrogel with a water content of at least 10 wt%, and a near field communication device. The hydrogel partially fills the aperture and includes particles with dimensions less than 100 nm, allowing for effective ultrasound transmission and integration of NFC capabilities.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If traditional ultrasonic coupling devices are used, then ultrasound transmission is achieved, but wireless communication and hydration sensing capabilities are lacking

Engineering Contradiction:
ImprovefunctionalityVSAvoiddevice complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent combines ultrasonic transmission, wireless communication (NFC), and hydration sensing into a single integrated coupling device. The hydrogel layer serves multiple functions: it transmits ultrasound waves, contains NFC antennas for wireless communication, and includes hydrophilic particles that enable hydration level detection, eliminating the need for separate devices for each function.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The coupling device is designed as a multi-functional system where the hydrogel layer simultaneously performs ultrasonic coupling, wireless communication enablement, and hydration sensing. This universal design allows a single device to replace multiple separate instruments, enhancing versatility without proportionally increasing complexity.

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

2Reliability

If hydrogel with nanoparticles is used, then ultrasound transmission and hydration sensing are improved, but manufacturing complexity increases

Engineering Contradiction:
Improveultrasound transmission efficiencyVSAvoidmanufacturing ease
Core Design Contradiction:
ReliabilityVSEase of manufacture

Solution Approach 1:

The patent specifies particular parameters for the hydrogel including water content of at least 10 wt%, particle size less than 100 nm, and specific hydrophilic particle compositions. These parameter specifications optimize ultrasound transmission and hydration sensing performance while providing clear manufacturing guidelines that balance reliability with manufacturability.

Inventive Principle:
Principle #35Parameter changes

3Adaptability or versatility

If foam with aperture structure is used, then NFC device integration is enabled, but structural complexity increases

Engineering Contradiction:
Improvewireless communication capabilityVSAvoidstructural complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent employs a foam material with an aperture structure that provides a cavity for integrating the NFC device. The porous foam structure allows the hydrogel to be applied while accommodating the wireless communication components, enabling NFC functionality without requiring a completely different structural design.

Inventive Principle:
Principle #31Porous materials

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

This configuration enhances the delivery of ultrasound radiation, supports wireless communication, and allows for hydration level sensing, thereby improving the functionality and versatility of ultrasonic coupling devices in medical applications.

Implementation Method 1

contact between the generator and the exposed surface of the hydrogel sheet allows the transmission of ultrasonic waves through the skin interface to and from the body of a patient

Methodology Applied
Scientific EffectUltrasonic wave transmission: Ultrasound

Implementation Method 2

This configuration enhances the delivery of ultrasound radiation

Methodology Applied
Scientific EffectUltrasonic vibration: Ultrasonic Vibration

Data Source

PatentEP3990272B1Ultrasonic coupling device
Publication Date: 2025.05.07 SOLVENTUM INTELLECTUAL PROPERTIES CO
  • EP3990272B1 patent drawingFigure 1A~2B
  • EP3990272B1 patent drawingFigure 3A~3B

AI summary

An ultrasonic coupling device. The ultrasonic coupling device includes a foam having an aperture; a hydrogel wherein the hydrogel has a water content of at least 10 wt%, wherein at least part of the hydrogel locates in the aperture of the foam; and a near field communication device.