Electrochemical Impedance Spectroscopy for Specialized Environments

Publication ID: 24-11857318_0004_PTD
Published: November 07, 2025
Category:Specialized Variations & Niche Solutions

Legal Citation

pr1or.art Inc., “Electrochemical Impedance Spectroscopy for Specialized Environments,” Published Technical Disclosure No. 24-11857318_0004_PTD, Published November 07, 2025, available at https://archive.pr1or.art/24-11857318_0004_PTD
This technical disclosure describes improvements that would be readily apparent to a Person Having Ordinary Skill In The Art (PHOSITA) when considered in combination with the foundational architecture disclosed in U.S. Patent No. 11,857,318.

Summary of the Inventive Concept

An electrochemical impedance spectroscopy system adapted for high-security, disaster relief, extreme weather, and high-altitude environments, providing enhanced tissue characterization capabilities in these specialized settings.

Background and Problem Solved

The original electrochemical impedance spectroscopy patent provided a foundational technology for tissue sensing devices. However, its limitations in adapting to unique operational environments hindered its widespread adoption. The present inventive concept addresses this limitation by introducing specialized variations of the technology tailored to high-security, disaster relief, extreme weather, and high-altitude environments.

Detailed Description of the Inventive Concept

The new inventive concept encompasses a range of devices and systems that leverage electrochemical impedance spectroscopy to characterize regions of tissue in specific, challenging environments. For instance, Claim 1 describes a system for characterizing regions of tissue in high-security environments, comprising a tissue sensing device adapted for use in high-security areas and a processing unit configured to analyze electrical impedance spectroscopy data to identify potential security threats. Similarly, Claim 3 describes a device for characterizing regions of tissue in extreme weather conditions, featuring a waterproof housing surrounding the catheter and transducer. These specialized variations enable the technology to operate effectively in environments where traditional electrochemical impedance spectroscopy systems may falter.

Novelty and Inventive Step

The new claims introduce novel adaptations of the original electrochemical impedance spectroscopy technology, specifically designed to address the unique challenges of high-security, disaster relief, extreme weather, and high-altitude environments. These adaptations, such as waterproof housing and processing units configured to identify security threats, constitute a non-obvious and innovative step forward in the field of tissue sensing devices.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include, but are not limited to, devices with enhanced durability for use in extreme weather conditions, systems with integrated data analytics for high-security environments, or portable devices optimized for disaster relief scenarios. These variations would further expand the scope of the inventive concept, ensuring broad conceptual coverage.

Potential Commercial Applications and Market

The inventive concept has significant commercial potential in various industries, including healthcare, security, and environmental monitoring. The technology's ability to operate in challenging environments makes it an attractive solution for organizations and governments operating in these spaces. Potential market opportunities include providing tissue characterization services for high-security facilities, offering portable devices for disaster relief efforts, and developing systems for environmental monitoring in extreme weather conditions.

Field of Art

Biomedical engineering, specifically medical diagnostic devices for tissue characterization using electrochemical impedance spectroscopy and ultrasound-based sensing technologies

Person of Ordinary Skill (PHOSITA) Profile

A biomedical engineer or medical device designer with expertise in catheter-based diagnostic systems, electrical impedance measurement techniques, and advanced sensing technologies for cardiovascular diagnostics

Obviousness Rationale

A person having ordinary skill in the art would recognize that the published technical disclosure represents predictable variations of the source patent's core technology by adapting the fundamental electrochemical impedance spectroscopy device to specialized environmental contexts. The modifications involve straightforward extensions of existing catheter and sensing technologies to address specific use cases. These variations represent standard design adaptations that would be apparent to a skilled practitioner seeking to expand the original device's applicability.

Obvious Combinations & Variations

Source Patent Element
Catheter-based tissue sensing device with ultrasound transducer positioned in lumen
PTD Variation
Adding waterproof housing for extreme weather environments
Obviousness Reasoning
Protecting sensitive medical electronics from environmental conditions is a known design technique, representing a predictable solution for expanding device functionality
Source Patent Element
Electrical impedance spectroscopy for tissue characterization
PTD Variation
Specialized data processing for identifying security threats or metabolically active lesions
Obviousness Reasoning
Implementing context-specific data analysis algorithms is a routine engineering task that would be obvious to a skilled practitioner seeking to enhance diagnostic capabilities
Source Patent Element
Tissue sensing device with multiple catheter configurations
PTD Variation
Portable device optimized for disaster relief and high-altitude scenarios
Obviousness Reasoning
Miniaturization and portability are standard design approaches for medical diagnostic technologies, representing a predictable engineering optimization
Source Patent Element
Electrical impedance spectroscopy for plaque characterization
PTD Variation
Method for tracking treatment effectiveness in specific patient populations
Obviousness Reasoning
Adapting diagnostic techniques to monitor treatment responses is a standard medical engineering approach that would be obvious to a skilled practitioner
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857318 and the published technical disclosure, a person having ordinary skill in the art would find the claimed variations to be obvious extensions of existing electrochemical impedance spectroscopy technologies. The disclosed modifications represent predictable adaptations that would be readily conceived by a skilled practitioner seeking to expand the original device's functionality across diverse environmental and diagnostic contexts.

Original Patent Information

Patent NumberUS 11,857,318
TitleElectrochemical impedance spectroscopy
Assignee(s)The Regents of the University of California