Multi-Channel RF Ablation for Diverse Medical Applications

Publication ID: 24-11857245_0007_PTD
Published: November 07, 2025
Category:New Applications & Use Cases

Legal Citation

pr1or.art Inc., “Multi-Channel RF Ablation for Diverse Medical Applications,” Published Technical Disclosure No. 24-11857245_0007_PTD, Published November 07, 2025, available at https://archive.pr1or.art/24-11857245_0007_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

This inventive concept leverages the core technology of multi-channel RF ablation to address various medical conditions beyond cardiac arrhythmias, including cancer treatment, orthopedic injuries, skin conditions, neurological disorders, and ophthalmic disorders.

Background and Problem Solved

The original patent for multi-channel RF ablation focused on treating cardiac arrhythmias. However, the limitations of this technology were its narrow application scope. The new inventive concept addresses this limitation by expanding the technology's applicability to diverse medical fields, providing a more comprehensive solution for various medical conditions.

Detailed Description of the Inventive Concept

The inventive concept involves applying the multi-channel RF ablation technology to various medical applications, including cancer treatment, orthopedic injuries, skin conditions, neurological disorders, and ophthalmic disorders. This is achieved by generating control signals with different frequencies and combining them with ablation power modulated at a common frequency to produce composite signals. These composite signals are then applied to the respective target tissues or sites using a plurality of electrodes. The system and method enable targeted treatment of various medical conditions, offering improved outcomes and reduced side effects.

Novelty and Inventive Step

The new claims introduce a novel and non-obvious application of the multi-channel RF ablation technology to diverse medical fields, significantly expanding its scope and potential impact. The inventive step lies in the recognition of the technology's adaptability to address various medical conditions, coupled with the development of specific systems and methods tailored to each application.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include varying the frequency ranges, electrode configurations, and signal modulation techniques to optimize treatment outcomes for specific medical conditions. Additionally, the technology could be integrated with other therapeutic modalities, such as ultrasound or microwave ablation, to create hybrid treatment systems.

Potential Commercial Applications and Market

The inventive concept has significant commercial potential, as it addresses a wide range of medical conditions affecting millions of people worldwide. The target markets include oncology, orthopedics, dermatology, neurology, and ophthalmology, with potential applications in hospitals, clinics, and research institutions. The technology's adaptability and versatility make it an attractive solution for medical device manufacturers and healthcare providers seeking to expand their treatment offerings.

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 Radiofrequency (RF) Ablation Technologies, encompassing interventional medical devices and therapeutic energy application techniques, with expertise in signal generation, electrode configuration, and tissue treatment modalities

Person of Ordinary Skill (PHOSITA) Profile

A biomedical engineer or medical device researcher with advanced degree, specialized knowledge in RF energy applications, signal modulation techniques, and understanding of tissue interaction mechanisms across multiple medical specialties

Obviousness Rationale

A PHOSITA would recognize the fundamental multi-channel RF ablation technique disclosed in the source patent as a generalizable technology adaptable to diverse medical applications. The core principles of generating composite signals with different control signal frequencies and applying them via multiple electrodes are directly transferable across medical domains. The PTD's variations represent predictable extensions of the original technology by applying known signal modulation principles to different tissue types and treatment contexts.

Obvious Combinations & Variations

Source Patent Element
Multi-channel RF ablation method with control signals at different frequencies
PTD Variation
Applying the same signal generation technique to cancer tumor treatment
Obviousness Reasoning
Known technique of adapting energy delivery methods to specific tissue types, with predictable results in targeted tissue ablation
Source Patent Element
Composite signal generation using common ablation frequency
PTD Variation
Extending signal modulation to orthopedic injury treatment and bone growth stimulation
Obviousness Reasoning
Predictable application of established RF energy principles to stimulate cellular responses in different tissue environments
Source Patent Element
Electrode-based composite signal application method
PTD Variation
Implementing similar electrode configurations for neurological and ophthalmic disorder treatments
Obviousness Reasoning
Design choice involving known signal delivery techniques, with finite identified solutions for targeted energy application
Source Patent Element
Control signals with different respective frequencies
PTD Variation
Modifying frequency ranges for skin condition treatment
Obviousness Reasoning
Routine engineering optimization using known parameter adjustment techniques within established technological framework
35 U.S.C. § 103 Summary: Based on US Patent 11857245, the present disclosure demonstrates that the multi-channel RF ablation technique represents an obvious technological approach readily extendable to multiple medical domains. A person having ordinary skill in the art would recognize the disclosed variations as predictable applications of established signal generation and energy delivery principles, thereby rendering potential derivative claims obvious and unpatentable.

Original Patent Information

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