Adaptive Multi-Channel RF Ablation System for Enhanced Cardiac Arrhythmia Treatment

Publication ID: 24-11857245_0005_PTD
Published: November 07, 2025
Category:Future Evolutions & Paradigm Shifts

Legal Citation

pr1or.art Inc., “Adaptive Multi-Channel RF Ablation System for Enhanced Cardiac Arrhythmia Treatment,” Published Technical Disclosure No. 24-11857245_0005_PTD, Published November 07, 2025, available at https://archive.pr1or.art/24-11857245_0005_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. 11,857,245.

Summary of the Inventive Concept

A next-generation multi-channel RF ablation system that dynamically adjusts control signal frequencies and amplitudes in real-time to optimize energy delivery, minimize intermodulation distortion, and enhance cardiac arrhythmia treatment outcomes.

Background and Problem Solved

The original patent disclosed a multi-channel RF ablation method and apparatus, but it had limitations in terms of energy delivery efficiency and intermodulation distortion. The new inventive concept addresses these limitations by introducing adaptive control signal frequency and amplitude adjustment, enabling real-time optimization of the ablation process.

Detailed Description of the Inventive Concept

The new inventive concept comprises a generator producing a common RF frequency and multiple control signals with distinct frequencies, a controller adjusting the amplitude of each control signal based on real-time monitoring of the ablation process, and a plurality of electrodes applying composite signals to cardiac tissue. The system can dynamically adjust control signal frequencies and amplitudes to optimize energy delivery, minimize intermodulation distortion, and enhance cardiac arrhythmia treatment outcomes. The system can also integrate sensors providing real-time feedback to the controller, enabling closed-loop optimization of the ablation process.

Novelty and Inventive Step

The new inventive concept's adaptive control signal frequency and amplitude adjustment, enabled by real-time monitoring of the ablation process, represents a significant departure from the original patent's fixed-frequency approach. This innovation enables the system to dynamically respond to changing ablation conditions, ensuring optimal energy delivery and minimizing intermodulation distortion.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include the use of machine learning algorithms to optimize control signal frequencies and amplitudes, integration with other cardiac arrhythmia treatment modalities, or application to other medical procedures requiring precise energy delivery.

Potential Commercial Applications and Market

The adaptive multi-channel RF ablation system has significant commercial potential in the cardiac arrhythmia treatment market, which is projected to grow significantly in the coming years. The system's enhanced energy delivery efficiency, reduced intermodulation distortion, and improved treatment outcomes make it an attractive solution for medical device manufacturers, hospitals, and clinicians seeking to provide cutting-edge cardiac arrhythmia treatments.

CPC Classifications

SectionClassGroup
A A61 A61B18/1206
A A61 A61B18/1492
A A61 A61B2018/00351
A A61 A61B2018/00577
A A61 A61B2018/00702
A A61 A61B2018/00732
A A61 A61B2018/00767
A A61 A61B2018/00791
A A61 A61B2018/00827
A A61 A61B2018/00875
A A61 A61B2018/00892
A A61 A61B2018/128
A A61 A61B2018/1273

Field of Art

Medical device technology, specifically radiofrequency (RF) ablation systems for cardiac tissue treatment, involving electrical engineering, medical device design, and signal processing techniques

Person of Ordinary Skill (PHOSITA) Profile

A biomedical engineer with expertise in RF energy delivery systems, signal modulation techniques, medical device control systems, and advanced cardiac intervention technologies, holding advanced degrees in biomedical engineering or electrical engineering with specialized knowledge in medical device design

Obviousness Rationale

A PHOSITA would recognize that the PTD's dynamic control signal frequency and amplitude adjustment represents a predictable engineering optimization of the source patent's multi-channel RF ablation approach. The proposed real-time monitoring and adaptive control mechanism is a logical extension of existing multi-channel ablation techniques, utilizing standard control system design principles and feedback mechanisms commonly employed in medical device engineering. The variations represent incremental improvements that would be obvious to a skilled practitioner seeking to enhance energy delivery precision in cardiac ablation procedures.

Obvious Combinations & Variations

Source Patent Element
Multi-channel ablation with different control signal frequencies
PTD Variation
Dynamic real-time adjustment of control signal frequencies and amplitudes
Obviousness Reasoning
Implementing closed-loop feedback control is a standard engineering technique for optimizing signal delivery, representing a predictable application of known control system design principles
Source Patent Element
Fixed-frequency ablation signals applied to cardiac tissue
PTD Variation
Real-time sensor-based monitoring and adaptive signal modulation
Obviousness Reasoning
Integrating sensor feedback for dynamic signal adjustment is a well-established technique in medical device design, representing an obvious optimization strategy
Source Patent Element
Multiple electrode-based ablation system
PTD Variation
Individual electrode-specific controllers with independent signal optimization
Obviousness Reasoning
Distributing intelligent control mechanisms to individual electrodes is a logical extension of existing multi-channel design principles, representing a straightforward engineering design choice
Source Patent Element
Single common ablation signal frequency approach
PTD Variation
Machine learning algorithms for dynamic frequency and amplitude optimization
Obviousness Reasoning
Applying machine learning to signal optimization is a predictable technological progression in medical device control systems, representing an obvious enhancement to existing techniques
Source Patent Element
Multi-channel RF ablation method
PTD Variation
3D modeling and simulation-driven signal parameter adjustment
Obviousness Reasoning
Utilizing computational modeling to optimize medical device parameters is a standard engineering approach, representing a predictable application of known simulation techniques
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857245 and the principles of multi-channel RF ablation, the present published technical disclosure demonstrates that the claimed variations in adaptive signal control, real-time monitoring, and dynamic frequency modulation would have been obvious to a person having ordinary skill in the art at the time of invention, thereby establishing prior art that anticipates and renders obvious substantially similar technical approaches to multi-channel RF ablation systems.

Original Patent Information

Patent NumberUS 11,857,245
TitleMulti-channel RF ablation
Assignee(s)Biosense Webster (Israel) Ltd.