Suture Button Graft Construct for AC Joint Reconstruction
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Acromioclavicular (AC) joint dislocations result in severe upward displacement of the clavicle relative to the scapula, leading to painful deformity and loss of function, for which existing surgical methods are inadequate in providing effective internal fixation and reconstruction.
Innovation Solution
A surgical reconstruction system comprising two fixation devices, such as a button and a washer, joined by a biologic component like a graft, which are secured to the clavicle and coracoid using flexible strands like FiberWire, allowing for both acute and chronic AC joint indications to be addressed through a method involving arthroscopic or open surgical techniques.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional surgical methods are used for AC joint dislocation, then the procedure is simpler, but effective internal fixation and reconstruction cannot be achieved
Solution Approach 1:
The reconstruction system is divided into separate functional components: a button component for coracoid attachment, a graft component for biological integration, and a washer component for clavicle fixation. This segmentation allows each component to be optimized for its specific function while collectively providing reliable internal fixation for AC joint dislocation reconstruction.
2Duration of action of stationary object
If a biologic component is used for reconstruction, then healing is promoted, but the device complexity increases
Solution Approach 1:
The system combines synthetic components (button and washer made from medical-grade materials) with a biologic component (graft). This composite approach allows the synthetic parts to provide immediate mechanical stability and fixation, while the biologic graft promotes long-term healing and biological integration, addressing both short-term and long-term requirements of AC joint reconstruction.
3Stability of the object's composition
If stable fixation is provided for AC joint dislocation, then functional recovery is improved, but the surgical procedure becomes more complex
Solution Approach 1:
The button and washer components are connected through the graft to form an integrated reconstruction assembly that functions as a unified fixation system. This merging of components provides stable fixation for the AC joint while allowing the surgeon to implant the system as a complete assembly, reducing the complexity of multiple separate fixation procedures and simplifying the overall surgical workflow.
Data Source
AI summary
Apparatus and methods for fixation of bone to bone, or soft tissue to bone. The apparatus comprises two fixation devices (for example, two buttons) joined by a biologic material (for example, a graft or tendon). Each fixation device is provided with at least one opening that allows the passage of the flexible material attached to the biologic material. The button may be formed, for example, of metal, PEEK or PLLA.