Advanced Fixation Devices and Prostheses for Enhanced Soft Tissue Connection

Publication ID: 24-11857426_0001_PTD
Published: October 28, 2025
Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Advanced Fixation Devices and Prostheses for Enhanced Soft Tissue Connection,” Published Technical Disclosure No. 24-11857426_0001_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857426_0001_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. 11,857,426.

Summary of the Inventive Concept

The present invention relates to advanced fixation devices and prostheses that improve soft tissue connection in joint replacement surgery, enhancing tissue ingrowth, integration, and overall fixation stability.

Background and Problem Solved

Joint replacement surgery often struggles with achieving stable fixation between prosthetic components and surrounding bone, leading to complications and reduced patient outcomes. The original patent, 'Fixation devices and prostheses for soft tissue connection to the same,' addressed this issue by introducing a tibial prosthesis with a filamentary fixation device. However, the original design had limitations, including reduced tissue ingrowth and integration. The present invention builds upon the original concept, providing direct improvements and enhancements to overcome these limitations.

Detailed Description of the Inventive Concept

The advanced fixation devices and prostheses comprise a tibial prosthesis with a porous material patch on its anterior side, facilitating tissue ingrowth and integration. The filamentary fixation device features a woven structure, promoting tissue ingrowth and enhancing fixation stability. Additionally, the device can be coated with a bioactive material to further enhance tissue integration. The system also includes a textured surface on the posterior side of the tibial prosthesis, improving fixation to the surrounding bone. In another embodiment, the filamentary fixation device is anchored to the surrounding bone using a bioresorbable anchor, ensuring secure and stable fixation.

Novelty and Inventive Step

The present invention introduces several novel features, including the porous material patch, woven filamentary fixation device, bioactive coating, textured surface, and bioresorbable anchor. These advancements provide a significant improvement over the original patent, enabling enhanced tissue ingrowth, integration, and fixation stability.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include varying the porous material patch's composition, adjusting the woven structure's pattern, or using different bioactive coatings. Additionally, the textured surface could be modified to accommodate different bone geometries, and the bioresorbable anchor could be replaced with alternative fixation methods.

Potential Commercial Applications and Market

The advanced fixation devices and prostheses have significant commercial potential in the orthopedic industry, particularly in joint replacement surgery. The improved fixation stability and enhanced tissue ingrowth capabilities can lead to better patient outcomes, reduced complications, and increased market share for manufacturers incorporating these advancements into their products.

CPC Classifications

SectionClassGroup
A A61 A61F2/389
A A61 A61F2/30771
A A61 A61F2/30907
A A61 A61F2/0811
A A61 A61F2/367
A A61 A61F2002/3092
A A61 A61F2002/3093
A A61 A61F2002/30385
A A61 A61F2002/30405
A A61 A61F2002/30461
A A61 A61F2002/30604
A A61 A61F2002/30914

Original Patent Information

Patent NumberUS 11,857,426
TitleFixation devices and prostheses for soft tissue connection to the same
Assignee(s)Howmedica Osteonics Corp.