Modular and Adaptive Acetabular Cup System
Legal Citation
Summary of the Inventive Concept
A next-generation acetabular cup system that enables personalization, adaptability, and improved performance through modular design, advanced materials, and innovative coatings.
Background and Problem Solved
The original acetabular cup system, while effective, has limitations in terms of customization, durability, and biocompatibility. The new inventive concept addresses these limitations by introducing modular liner modules, self-adjusting shape-memory alloy liners, nanocoatings for enhanced osseointegration, and biodegradable materials to reduce revision surgeries.
Detailed Description of the Inventive Concept
The modular acetabular cup system comprises a cup body with interchangeable liner modules, each having distinct material properties or surface topographies. This allows for personalized selection of liner modules based on patient anatomy and biomechanical data. The self-adjusting acetabular cup system features a shape-memory alloy liner that adapts to changes in the patient's anatomy over time, maintaining optimal fit and stability. The nanocoated acetabular cup system incorporates a bioactive nanocoating that enhances osseointegration and reduces wear. The biodegradable acetabular cup system uses a biodegradable polymer or composite material that degrades over time, reducing the need for revision surgeries.
Novelty and Inventive Step
The new claims introduce a paradigm shift in acetabular cup design, moving from a one-size-fits-all approach to a modular, adaptive, and personalized system. The use of advanced materials, coatings, and biodegradable materials represents a significant departure from the original patent, providing a more comprehensive and forward-thinking solution.
Alternative Embodiments and Variations
Alternative embodiments of the inventive concept could include varying the number and type of liner modules, incorporating sensors for real-time monitoring, or using machine learning algorithms to optimize liner selection and cup performance. Variations could also include different nanocoating materials or biodegradable polymers to further enhance the system's performance and biocompatibility.
Potential Commercial Applications and Market
The modular and adaptive acetabular cup system has significant commercial potential in the orthopedic industry, particularly in the hip replacement market. The system's ability to provide personalized solutions, reduce revision surgeries, and improve patient outcomes could revolutionize the field, offering a competitive advantage to manufacturers and healthcare providers.
CPC Classifications
| Section | Class | Group |
|---|---|---|
| A | A61 | A61F2/34 |
| A | A61 | A61F2002/30092 |
| A | A61 | A61F2002/30156 |
| A | A61 | A61F2002/30383 |
| A | A61 | A61F2002/30784 |
| A | A61 | A61F2002/3403 |
| A | A61 | A61F2002/349 |
| A | A61 | A61F2002/3414 |
| A | A61 | A61F2310/00017 |
| A | A61 | A61F2310/00029 |
| A | A61 | A61F2310/00131 |
Section 103 Obviousness Analysis (PHOSITA)
Field of Art
Orthopedic medical devices, specifically hip replacement implant systems, requiring advanced materials engineering, biomechanical design, and surgical interface technologies
Person of Ordinary Skill (PHOSITA) Profile
A biomedical engineer or orthopedic device designer with expertise in materials science, prosthetic design, surface engineering, and knowledge of biomaterials and surgical implant technologies
Obviousness Rationale
A PHOSITA would recognize that the modular acetabular cup system represents predictable variations on the existing acetabular cup design, utilizing known materials, manufacturing techniques, and design principles already established in orthopedic implant technologies. The disclosed variations represent incremental improvements that would be obvious to a skilled practitioner seeking to optimize implant performance through personalization and advanced material selection.
Obvious Combinations & Variations
Original Patent Information
| Patent Number | US 11,857,422 |
|---|---|
| Title | Acetabular cup system |
| Assignee(s) | Encore Medical, LP |