Enhancing Range of Motion in Reverse Total Shoulder Arthroplasty Through a Novel Dual Mobility Design

Description

The presentation from the ISTA 2024 conference held in Nashville discusses a novel design approach for Total Shoulder Arthroplasty (TSA) aimed at addressing a significant complication known as scapular notching damage. The speaker begins by acknowledging co-authors and clarifying that there are no disclosures related to the work. The main focus is on a new dual mobility implant design, inspired by concepts from total hip arthroplasty, which incorporates a second articulation to enhance shoulder stability and range of motion, especially during abduction and adduction. The proposed design includes features such as end stops and a centrally placed dome cavity to prevent unwanted contact between the implant and the scapula. Preliminary results indicated that the design could effectively reduce impingement and stabilize the implant during movement. Future work includes advancements towards 3D modeling and in vivo validation, emphasizing the potential for practical applications in enhancing the outcomes of shoulder surgeries.

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