Enhanced Medical Devices with Advanced Flexible Circuit Assemblies

Publication ID: 24-11857148_0006_PTD

Published: November 07, 2025

Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Enhanced Medical Devices with Advanced Flexible Circuit Assemblies,” Published Technical Disclosure No. 24-11857148_0006_PTD, Published November 07, 2025, available at https://archive.pr1or.art/24-11857148_0006_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. 11,857,148.

Summary of the Inventive Concept

This inventive concept presents a series of direct improvements and enhancements to medical devices with flexible circuit assemblies, addressing limitations in thermal management, signal transmission, durability, and nerve modulation.

Background and Problem Solved

The original patent disclosed medical devices with flexible circuit assemblies for sympathetic nerve modulation. However, these devices were limited by heat generation, electromagnetic interference, and fatigue. The new inventive concept tackles these limitations by introducing advanced thermal management features, shielded conductors, reinforced polymer substrates, integrated sensors, and novel electrode configurations.

Detailed Description of the Inventive Concept

The new inventive concept comprises a medical device with a flexible circuit assembly that incorporates one or more of the following features: improved thermal management to reduce heat generation during prolonged use; enhanced signal transmission capabilities through shielded conductors to minimize electromagnetic interference; a reinforced polymer substrate to improve durability and resistance to fatigue; integrated sensors to monitor real-time physiological data; and a novel electrode configuration to optimize sympathetic nerve modulation. These advancements enable the medical device to operate more efficiently, reliably, and effectively.

Novelty and Inventive Step

The new claims introduce novel and non-obvious features that distinguish the inventive concept from the original patent. The specific improvements and enhancements provide a significant departure from the prior art, demonstrating a clear inventive step.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept may include varying the materials and geometries of the flexible circuit assembly, incorporating additional sensors or electrodes, or integrating the device with other medical systems. These variations can further expand the scope of the inventive concept and provide broader coverage.

Potential Commercial Applications and Market

The enhanced medical devices with advanced flexible circuit assemblies have significant commercial potential in the medical device industry, particularly in the areas of cardiac rhythm management, electrophysiology, and neuromodulation. The target market includes hospitals, clinics, and medical research institutions.

CPC Classifications

Section	Class	Group
A	A61	A61B18/1492
A	A61	A61F7/007
A	A61	A61F7/123
H	H05	H05K1/028
A	A61	A61B2018/0016
A	A61	A61B2018/0022
A	A61	A61B2018/00404
A	A61	A61B2018/00434
A	A61	A61B2018/00511
A	A61	A61B2018/00577
A	A61	A61B2018/00797
A	A61	A61B2018/00815
A	A61	A61B2018/1465
A	A61	A61B2018/1467
A	A61	A61B2018/1475
A	A61	A61F2007/126

Section 103 Obviousness Analysis (PHOSITA)

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Field of Art

Medical device engineering, specifically interventional cardiology and nerve modulation technologies, focusing on flexible circuit assemblies for intravascular devices with complex electronic integration

Person of Ordinary Skill (PHOSITA) Profile

A biomedical engineer with expertise in flexible electronics, circuit design, medical device manufacturing, and advanced catheter technologies, holding a master's or doctoral degree with 3-5 years of specialized experience in medical device development

Obviousness Rationale

A PHOSITA would recognize that the PTD's variations represent predictable engineering improvements to the source patent's flexible circuit assembly design, utilizing standard techniques of material enhancement, signal optimization, and sensor integration that are well-established in medical device engineering. The disclosed modifications represent incremental advancements that would be obvious to a skilled practitioner seeking to improve device performance and reliability. These variations demonstrate standard problem-solving approaches within the technical domain of medical device flexible circuit design.

Obvious Combinations & Variations

Source Patent Element

Flexible circuit assembly with polymer substrate and electrodes positioned on a catheter shaft and balloon

PTD Variation

Adding thermal management features to reduce heat generation during prolonged use

Obviousness Reasoning

Thermal management is a known design challenge in medical electronics, and a PHOSITA would find it obvious to incorporate heat dissipation techniques using standard materials and geometric configurations to prevent device overheating

Source Patent Element

Multiple electrode configurations for nerve modulation

PTD Variation

Implementing a spiral electrode arrangement to enhance nerve stimulation precision

Obviousness Reasoning

Electrode pattern optimization is a predictable design variation that would be obvious to a PHOSITA seeking improved nerve stimulation targeting, using known geometric principles of signal propagation

Source Patent Element

Flexible circuit assembly with multiple electrodes

PTD Variation

Integrating real-time physiological sensors to monitor blood pressure, heart rate, and oxygen saturation

Obviousness Reasoning

Adding monitoring capabilities represents a standard evolutionary design approach in medical devices, utilizing well-established sensor technologies that a PHOSITA would find obvious to incorporate

Source Patent Element

Flexible circuit assembly with polymer substrate

PTD Variation

Reinforcing the polymer substrate to improve durability and fatigue resistance

Obviousness Reasoning

Material enhancement through substrate reinforcement is a predictable engineering solution addressing known limitations in flexible circuit performance, representing an obvious design improvement

Source Patent Element

Flexible circuit assembly with multiple conductors

PTD Variation

Implementing shielded conductors to reduce electromagnetic interference

Obviousness Reasoning

Electromagnetic interference mitigation is a standard engineering practice, and a PHOSITA would find it obvious to apply known shielding techniques to improve signal transmission quality

35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857148 and the disclosed technical variations, a person having ordinary skill in the art would find the claimed medical device modifications obvious, as they represent predictable engineering solutions utilizing known techniques in flexible circuit assembly design, sensor integration, and medical device optimization. The disclosed variations fail to demonstrate sufficient non-obviousness to distinguish from the prior art, rendering potential claims covering similar technical approaches anticipated and unpatentable under 35 U.S.C. § 103.

Original Patent Information

Patent Number	US 11,857,148
Title	Medical devices with flexible circuit assemblies
Assignee(s)	Boston Scientific Scimed, Inc.