Articulating Prosthetic Disc Anti-Infiltration Agent Application
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Solution Overview
Problem
Prosthetic intervertebral disc implants face issues with undesirable bone growth and scar tissue formation on articulating surfaces and in articulating spaces, which inhibit normal disc motion and reduce the effectiveness of the replacement.
Innovation Solution
Applying a therapeutically effective amount of anti-infiltration agents, such as hemostatic, anti-adhesion, and bone-formation inhibiting compounds, to the articulating surfaces of the prosthetic disc to prevent unwanted tissue and bone infiltration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If anti-infiltration agents are applied to articulating surfaces, then scar tissue and bone growth are reduced, but the complexity of the implant increases
Solution Approach 1:
The anti-infiltration agent is applied to the articulating surfaces before implantation to prevent scar tissue and bone growth in advance. This preliminary action prevents the harmful infiltration process from occurring, thereby preserving motion while avoiding the need for complex mechanical barriers or post-operative interventions.
Solution Approach 2:
The anti-infiltration agent acts as an intermediary substance between the implant and the surrounding tissue. It mediates the interaction by preventing direct contact and adhesion between bone/scar tissue and the articulating surfaces, thereby maintaining motion without requiring complex mechanical designs.
2Reliability
If fusion is performed to eliminate symptoms, then pain and instability are reduced, but motion of the spinal segment is restricted
Solution Approach 1:
The invention extracts the harmful function of bone and scar tissue infiltration from the articulating surfaces. By removing this harmful infiltration process through the application of anti-infiltration agents, the prosthesis can maintain motion without requiring fusion, thereby relieving symptoms while preserving spinal motion.
Solution Approach 2:
The invention converts the potentially harmful process of tissue infiltration into a beneficial outcome by using the infiltration process itself (delivered through the anti-infiltration agent) to prevent adhesions and bone growth. This allows the prosthesis to maintain motion while eliminating the need for fusion, thereby converting what would normally be a harmful process into a protective mechanism.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The use of anti-infiltration agents effectively reduces scar tissue and bone growth, preserving the motion of prosthetic intervertebral discs by creating a barrier that prevents infiltration, thereby maintaining the functionality and longevity of the implant.
Implementation Method 1
creating a barrier that prevents infiltration
Data Source
AI summary
The present invention overcomes the problem of undesirable bone growth and/or unwanted scar tissue formation on the articulating surfaces and in the articulating spaces of prosthetic intervertebral discs. The invention comprises a method for preserving motion in a prosthetic disc having at least one articulating surface comprising applying an anti-infiltration agent on and around an articulating surface of the prosthetic disc. Suitable anti-infiltration agents include but are not limited to, hemostatic compounds, anti-adhesion compounds, bone-formation inhibiting compounds, or any combination thereof.