Bio-remodable Bone Augmentation Device for Space Maintenance
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Solution Overview
Problem
Existing bone augmentation devices often require removal, which can cause tissue disruption and complications due to bone overgrowth or difficulty in extraction, as they do not naturally incorporate into the newly formed bone.
Innovation Solution
A bio-remodable bone augmentation device made from materials like collagen and ceramic composites that are designed to support bone regeneration and eventually become incorporated into the newly formed bone, eliminating the need for removal and minimizing tissue disruption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a traditional spacing device is used to maintain space in bone defect, then space maintenance and bone regeneration support are achieved, but device removal causes tissue disruption and complications
Solution Approach 1:
The patent changes the material parameters of the spacing device from non-degradable to bio-remodable materials such as collagen, ceramic composites, and other biocompatible materials that can degrade over time. This allows the device to maintain its structural function during bone regeneration while automatically reducing tissue disruption as it gradually degrades and is absorbed by the body
Solution Approach 2:
The bio-remodable spacing device performs self-service by automatically degrading and being absorbed by the body after fulfilling its space-maintenance function. The device's material composition enables it to be broken down by bodily processes without requiring surgical removal, thereby eliminating the harmful tissue disruption associated with manual device extraction
2Strength
If a traditional implant is used for bone augmentation, then structural support is provided, but bone overgrowth makes removal difficult
Solution Approach 1:
The patent modifies the material parameters of the implant from permanent, non-degradable materials to bio-remodable materials that exhibit time-dependent degradation. The implant maintains adequate structural strength during the bone healing period but gradually loses strength as it degrades, allowing for easy removal or automatic absorption once bone overgrowth has occurred
Solution Approach 2:
The implant transitions from a static, permanent structure to a dynamic, time-dependent structure that changes its properties over time. The material progressively degrades from a strong, load-bearing state to a weaker state as bone regenerates and overgrows, naturally facilitating removal without surgical intervention
3Duration of action of moving object
If a spacing device is removed after bone formation, then the device fulfills its temporary function, but removal exposes new bone and disrupts vascularity
Solution Approach 1:
The spacing device automatically performs the function of protecting new bone by maintaining its structural presence throughout the entire bone regeneration process. The bio-remodable material continues to provide protection until it has fully degraded and been absorbed by the body, eliminating the need for manual removal that would expose the vulnerable new bone and disrupt blood vessels
Solution Approach 2:
The device maintains its protective function for a duration that exceeds the minimum time required for bone formation. By using bio-remodable materials with controlled degradation rates, the implant provides extended protection during the critical early stages of bone regeneration and vascular establishment, then gradually退izes as the new bone becomes sufficiently strong to stand alone
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 bio-remodable device promotes bone growth by maintaining space in bone defects and providing structural support, reducing the need for device removal and associated complications, while allowing the implant to be absorbed into the newly formed bone tissue.
Implementation Method 1
The implantable member is formed from a bio-remodable composite having structural properties and is configured to maintain space in a bone defect so as to aid in the regeneration of new bone tissue
Data Source
AI summary
A bio-remodable augmentation device including an implantable member configured for maintaining space in a bone defect. The implantable member is formed from a bio-remodable composite having structural properties so as to aid in the generation of new bone tissue and eventually be reabsorbed in the newly formed bone tissue. This structural and bio-remodable implant reduces, if not eliminates, the need to remove the implantable member from the patient once new bone tissue is formed. A kit including the implantable devices and bone growth material is disclosed. Methods of use are also disclosed.