Customized Protective Solutions via Advanced Molding and Polymer Injection

Publication ID: 24-11857439_0002_PTD
Published: October 28, 2025
Category:New Applications & Use Cases

Legal Citation

pr1or.art Inc., “Customized Protective Solutions via Advanced Molding and Polymer Injection,” Published Technical Disclosure No. 24-11857439_0002_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857439_0002_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. 11,857,439.

Summary of the Inventive Concept

This inventive concept leverages the core technology of customized sleeve manufacturing for prosthetics to create tailored protective gear, orthotics, casts, support garments, and exoskeletons for diverse industries, enhancing performance, comfort, and safety.

Background and Problem Solved

The original patent disclosed a method for manufacturing customized sleeves for prosthetics, addressing the need for precise fitting and comfort. However, this technology's potential extends beyond prosthetics. The new claims overcome the limitations of the original patent by applying the core technology to various fields, such as sports, veterinary care, healthcare, and assistive technology, where customized protection and support are essential.

Detailed Description of the Inventive Concept

The new inventive concept comprises a mold of a specific body part, a preform made of an elastomer material, and a means for injecting a polymer cross-linkable at low temperature around the preform. This enables the creation of customized protective gear for athletes, orthotics for animals, casts for broken bones, support garments for individuals with disabilities, and exoskeletons for individuals with paralysis. The low-temperature polymer injection ensures a precise, comfortable, and safe fit.

Novelty and Inventive Step

The new claims introduce novel applications and use cases for the core technology, expanding its scope beyond prosthetics. The inventive step lies in the adaptation of the original method to cater to diverse industries, addressing specific needs and challenges.

Alternative Embodiments and Variations

Alternative embodiments may include using different types of elastomer materials, varying the mold design, or incorporating sensors and feedback systems to enhance performance and comfort. Variations may also involve integrating the technology with existing products or developing new products that combine multiple features.

Potential Commercial Applications and Market

This inventive concept has significant commercial potential in various industries, including sports equipment, veterinary care, healthcare, assistive technology, and beyond. The target market includes manufacturers of protective gear, orthotics, casts, support garments, and exoskeletons, as well as medical professionals, athletes, and individuals with disabilities.

CPC Classifications

SectionClassGroup
A A61 A61F2/5046
B B29 B29C45/0053
B B29 B29C45/14065
B B29 B29C45/14336
B B29 B29C65/48
B B29 B29C66/729
A A61 A61F2002/5053
A A61 A61F2002/5056
A A61 A61F2002/7837
B B29 B29C2045/0079
B B29 B29C2045/14155
B B29 B29K2083/00
B B29 B29K2105/0061
B B29 B29L2031/7532

Field of Art

Medical device manufacturing, prosthetic and orthotic design, polymer molding technologies with a focus on customized medical and assistive devices

Person of Ordinary Skill (PHOSITA) Profile

A biomedical engineer or materials scientist with expertise in polymer processing, 3D molding techniques, and adaptive medical device fabrication, possessing knowledge of elastomer materials, low-temperature polymer injection, and personalized medical equipment design

Obviousness Rationale

A PHOSITA would recognize that the core manufacturing technique disclosed in the source patent for prosthetic sleeves represents a generalizable method applicable to multiple protective and assistive device contexts. The fundamental process of creating a body-specific mold, using an elastomer preform, and injecting a cross-linkable polymer at low temperature is directly transferable across different medical and performance-related applications. The technical variations proposed in the PTD represent predictable extensions of the original manufacturing approach, utilizing substantially identical processing techniques with minimal substantive modifications.

Obvious Combinations & Variations

Source Patent Element
Method for manufacturing a customized sleeve using body-specific molding and elastomer preform
PTD Variation
Applying the identical manufacturing process to create athletic protective gear
Obviousness Reasoning
Known technique of adapting medical manufacturing processes to sports performance applications, with predictable results in creating form-fitting protective equipment
Source Patent Element
Low-temperature polymer injection around an elastomer preform
PTD Variation
Extending technique to create customized orthotics and exoskeletons
Obviousness Reasoning
Finite set of identified solutions for creating personalized medical support devices using consistent polymer processing methodology
Source Patent Element
Silicone gel preform with variable thickness
PTD Variation
Utilizing similar material properties for creating support garments for individuals with disabilities
Obviousness Reasoning
Predictable material adaptation demonstrating design choice within known technical capabilities of polymer molding technologies
Source Patent Element
Customized molding process for prosthetic sleeves
PTD Variation
Applying identical molding principles to create specialized medical casts
Obviousness Reasoning
Well-understood technique of translating precise manufacturing methods across related medical device domains
35 U.S.C. § 103 Summary: Pursuant to 35 U.S.C. ยง 103, the manufacturing method disclosed in US Patent 11857439 renders obvious the claimed variations in the referenced Published Technical Disclosure, as a Person Having Ordinary Skill In The Art would recognize the fundamental manufacturing technique as readily adaptable across multiple protective and assistive device contexts through predictable design modifications and known polymer processing techniques.

Original Patent Information

Patent NumberUS 11,857,439
TitleMethod for manufacturing a customized sleeve for a prosthesis