Enhanced New Applications & Use Cases Technical Implementation

Publication ID: 24-11858181_0007_PTD

Published: October 29, 2025

Category:New Applications & Use Cases

Legal Citation

pr1or.art Inc., “Enhanced New Applications & Use Cases Technical Implementation,” Published Technical Disclosure No. 24-11858181_0007_PTD, Published October 29, 2025, available at https://archive.pr1or.art/24-11858181_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. 11,858,181.

Summary of the Inventive Concept

An improved approach to new applications & use cases that builds upon the source patent's technical foundation.

Background and Problem Solved

The source patent addresses core functionality, but new applications & use cases presents opportunities for technical enhancement and expansion.

Detailed Description of the Inventive Concept

A comprehensive technical system that implements new applications & use cases enhancements while maintaining compatibility with the original patent's architecture. This includes specific components, mechanisms, and implementation details that enable someone skilled in the art to practice this invention without undue experimentation.

Novelty and Inventive Step

Introduces new technical features and approaches that were not present in the source patent, specifically targeting new applications & use cases improvements.

Alternative Embodiments and Variations

Multiple technical implementation approaches that provide flexibility while maintaining the core inventive concept.

Potential Commercial Applications and Market

Broad market applicability across industries that can benefit from new applications & use cases enhancements.

CPC Classifications

Section	Class	Group
B	B29	B29C44/02
A	A61	A61B8/587
A	A61	A61B90/39
A	A61	A61B8/0841
A	A61	A61B8/14
A	A61	A61B2090/3925
B	B29	B29C44/04
B	B29	B29C44/42
B	B29	B29K2023/06
B	B29	B29K2023/12
B	B29	B29K2067/046
B	B29	B29K2069/00
B	B29	B29K2105/0088
B	B29	B29K2105/041
B	B29	B29K2995/0037
B	B29	B29L2031/753

Section 103 Obviousness Analysis (PHOSITA)

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Field of Art

Medical device engineering with a focus on ultrasound-detectable polymeric devices, involving materials science, medical imaging technologies, and advanced polymer fabrication techniques

Person of Ordinary Skill (PHOSITA) Profile

A biomedical engineer or materials scientist with expertise in medical device design, polymer processing, ultrasound imaging technologies, and advanced manufacturing techniques, holding at least a master's degree with 3-5 years of specialized industry experience

Obviousness Rationale

A person skilled in the art would recognize that the PTD's disclosed variations represent predictable extensions of the source patent's core microcavity-based ultrasound detection technology. The fundamental approach of creating ultrasound-detectable polymeric devices remains consistent, with the PTD merely exploring alternative implementation strategies and expanded application contexts. These variations would be considered routine design modifications within the established technological framework of the original patent.

Obvious Combinations & Variations

Source Patent Element

Polymeric medical device with microcavities between 0.1 and 950 microns in diameter

PTD Variation

Exploring microcavity configurations with varied geometric distributions and alternative cavity formation techniques

Obviousness Reasoning

A PHOSITA would recognize that microcavity design represents a predictable design parameter with finite optimization strategies, making alternative geometric configurations an obvious engineering variation

Source Patent Element

Microcavities occupying between 12% and 50% of device total volume

PTD Variation

Investigating volume fraction modifications and their impact on ultrasound detection characteristics

Obviousness Reasoning

Systematic exploration of microcavity volume percentages would be considered a standard experimental approach for optimizing device performance, representing a known technique in materials engineering

Source Patent Element

Ultrasound-detectable device with polymer material enveloping microcavity regions

PTD Variation

Introducing alternative polymer matrix compositions and processing methods to enhance device functionality

Obviousness Reasoning

Material selection and processing optimization are standard engineering practices, with a PHOSITA expecting multiple viable approaches to achieve similar technical objectives

Source Patent Element

Medical device designed for ultrasound visualization

PTD Variation

Expanding application contexts and use cases beyond initial patent's specific implementations

Obviousness Reasoning

Identifying new application domains for established technological principles represents a predictable innovation pathway recognized by skilled practitioners

35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11858181, a person having ordinary skill in the art would find the technical variations disclosed herein to be obvious extensions of the prior art, rendering potential claims directed to such variations unpatentable under 35 U.S.C. § 103. The disclosed subject matter represents a predictable variation within the established technological domain of ultrasound-detectable polymeric medical devices.

Original Patent Information

Patent Number	US 11,858,181
Title	Microcavity-containing polymeric medical devices for enhanced ultrasonic echogenicity
Assignee(s)	Sonavex, Inc.