Enhanced Tissue Ablation and Assessment System with Multi-Frequency Antenna and Real-Time Optimization

Publication ID: 24-11857253_0001_PTD
Published: November 07, 2025
Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Enhanced Tissue Ablation and Assessment System with Multi-Frequency Antenna and Real-Time Optimization,” Published Technical Disclosure No. 24-11857253_0001_PTD, Published November 07, 2025, available at https://archive.pr1or.art/24-11857253_0001_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. 11,857,253.

Summary of the Inventive Concept

The present inventive concept discloses an enhanced tissue ablation and assessment system, featuring a high-frequency antenna and real-time optimization capabilities, enabling more efficient and accurate lesion formation and assessment.

Background and Problem Solved

The original patent disclosed a tissue ablation and assessment system with limitations in terms of frequency range, antenna design, and real-time assessment capabilities. The present inventive concept addresses these limitations by introducing a multi-frequency antenna, novel geometric shapes, and real-time optimization techniques, thereby enhancing lesion formation and assessment accuracy.

Detailed Description of the Inventive Concept

The enhanced system comprises a high-frequency antenna configured to transmit and receive electromagnetic radiation at frequencies above 1 GHz, enabling more efficient lesion formation. The system also features an antenna electrode with a novel geometric shape, ensuring improved tissue-electrode contact and more accurate lesion assessment. Furthermore, the system includes a multi-frequency antenna capable of transmitting and receiving electromagnetic radiation at frequencies ranging from 1 MHz to 10 GHz, allowing for real-time assessment of lesion progression and optimization of ablation energy delivery. The system also incorporates a method for real-time tissue ablation assessment, involving the transmission of assessment signals at frequencies above 10 MHz and analyzing the received signals to predict lesion progression and optimize ablation energy delivery. Additionally, the system includes a method for optimizing tissue ablation energy delivery, which involves analyzing the reflection coefficient of the antenna in real-time and adjusting the ablation energy frequency and amplitude accordingly, to minimize tissue damage and ensure effective lesion formation.

Novelty and Inventive Step

The present inventive concept introduces a novel multi-frequency antenna design, novel geometric shapes for the antenna electrode, and real-time optimization techniques, which are not anticipated by the original patent. The combination of these features provides a significant improvement in lesion formation and assessment accuracy, making the present inventive concept non-obvious and novel.

Alternative Embodiments and Variations

Alternative embodiments of the present inventive concept could include the use of different antenna materials, varied geometric shapes, or alternative frequency ranges. Additionally, the system could be adapted for use in various medical applications, such as cardiac ablation, cancer treatment, or neurological disorders.

Potential Commercial Applications and Market

The present inventive concept has significant commercial potential in the medical device industry, particularly in the areas of cardiac ablation, cancer treatment, and neurological disorders. The enhanced system could be marketed as a premium product, offering improved accuracy and efficiency in lesion formation and assessment, thereby providing a competitive advantage in the market.

CPC Classifications

SectionClassGroup
A A61 A61B18/1815
A A61 A61B5/0093
A A61 A61B5/05
A A61 A61B5/0507
A A61 A61B5/0538
A A61 A61B18/1492
A A61 A61B2017/00026
A A61 A61B2017/00039
A A61 A61B2017/00084
A A61 A61B2017/00106
A A61 A61B2018/00023
A A61 A61B2018/00029
A A61 A61B2018/00351
A A61 A61B2018/00577
A A61 A61B2018/00636
A A61 A61B2018/00702
A A61 A61B2018/00773
A A61 A61B2018/00785
A A61 A61B2018/00791
A A61 A61B2018/00827
A A61 A61B2018/00875
A A61 A61B2018/1435
A A61 A61B2018/183
A A61 A61B2018/1823
A A61 A61B2018/1838
A A61 A61B2018/1846
A A61 A61B2018/1853
A A61 A61B2018/1861
A A61 A61B2018/1892
A A61 A61B2090/065
A A61 A61B2218/002
A A61 A61B2576/023

Field of Art

Medical device technology focused on tissue ablation, electromagnetic signal-based tissue assessment, and minimally invasive medical interventions, requiring expertise in biomedical engineering, RF/microwave signal processing, and medical device design

Person of Ordinary Skill (PHOSITA) Profile

A biomedical engineer or medical device researcher with advanced degrees, proficient in electromagnetic signal transmission, antenna design, tissue interaction physics, and medical device optimization techniques

Obviousness Rationale

A PHOSITA would recognize that extending the source patent's tissue ablation system by increasing frequency ranges, implementing real-time signal analysis, and optimizing antenna geometries represents predictable engineering variations within the established technological framework. The proposed modifications leverage known electromagnetic principles and signal processing techniques to incrementally improve tissue ablation assessment methodologies. These variations would be considered routine design optimizations by a skilled practitioner familiar with medical device signal transmission and tissue interaction technologies.

Obvious Combinations & Variations

Source Patent Element
Antenna configured to transmit and receive assessment signals at frequencies of at least 1 MHz
PTD Variation
Multi-frequency antenna transmitting and receiving electromagnetic radiation from 1 MHz to 10 GHz
Obviousness Reasoning
Expanding frequency ranges represents a predictable engineering optimization, utilizing known signal processing techniques to enhance diagnostic capabilities
Source Patent Element
Direct electrical contact antenna for tissue assessment
PTD Variation
Antenna electrode with novel geometric shape for improved tissue-electrode contact
Obviousness Reasoning
Modifying electrode geometry to improve tissue interface is a standard design approach for enhancing signal transmission and medical device performance
Source Patent Element
Ablation signal transmission with variable frequency
PTD Variation
Real-time reflection coefficient analysis for dynamically adjusting ablation energy frequency and amplitude
Obviousness Reasoning
Implementing adaptive signal optimization is a known technique in electromagnetic medical devices, representing a predictable application of signal processing principles
Source Patent Element
Assessment signals for tissue characterization
PTD Variation
High-frequency assessment signals above 10 MHz for predicting lesion progression
Obviousness Reasoning
Utilizing higher frequency ranges for more precise tissue assessment is a logical extension of existing signal transmission methodologies
Source Patent Element
Basic tissue ablation and assessment system
PTD Variation
Comprehensive system incorporating multi-frequency antenna and real-time optimization techniques
Obviousness Reasoning
Integrating known signal processing and optimization techniques represents an expected evolutionary improvement in medical device technology
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857253 and the disclosed technical variations, a person having ordinary skill in the art would find the proposed tissue ablation and assessment system modifications to be obvious and lacking inventive step. The incremental improvements in antenna design, frequency range, and signal processing techniques represent predictable engineering variations that would be readily conceived by a skilled practitioner without requiring extraordinary insight or non-obvious problem-solving.

Original Patent Information

Patent NumberUS 11,857,253
TitleTissue ablation and assessment system and method of use thereof
Assignee(s)The Johns Hopkins University