个性化修补为什么重要？从一款本土化聚醚醚酮颅骨修补系统看重建能力的升级

Core Viewpoint - The article emphasizes that cranioplasty is not merely a "patch surgery" but a complex integration of structure and morphology, where the final aesthetic outcome and long-term stability are crucial for patient satisfaction [1][3]. Group 1: Clinical Pain Points - Cranioplasty is often viewed as a "structural repair," but it involves a comprehensive challenge related to geometry, mechanics, and long-term stability [2]. - Irregular defect shapes can lead to "secondary asymmetry" during surgery, as manual adjustments to materials often fail to ensure edge continuity [2]. - Key contour areas are highly sensitive to "millimeter-level errors," which can affect tactile and visual outcomes for patients [2][4]. - Long-term stability is a core indicator of treatment efficacy, with factors like material absorption, thermal expansion, and mechanical stability influencing the durability of the reconstruction [5]. Group 2: Material System - Polyether ether ketone (PEEK) is increasingly chosen for craniomaxillofacial reconstruction due to its long-term clinical validation and alignment with cranioplasty needs [6]. - PEEK's elastic modulus closely matches that of cortical bone, allowing for a more natural edge transition and tactile experience for patients [6]. - The material is non-absorbent and corrosion-resistant, maintaining shape stability over time, which is critical for preventing "secondary changes" in appearance [6]. - PEEK exhibits excellent imaging compatibility, producing minimal artifacts in CT/MRI scans, which is vital for long-term follow-up of patients [7]. - The material possesses sufficient mechanical strength to provide predictable structural support, especially in large defects or load-bearing areas [7]. Group 3: Product Features - The newly approved localized patient-matched PEEK cranioplasty system builds on an established engineering framework, utilizing high-quality materials with over 20 years of clinical experience [9]. - The system allows for anatomical-level restoration of curvature, moving from manual sculpting to digital modeling, which resolves many shape-related issues preoperatively [11]. - The design includes a gradual thinning transition at the defect edges, enhancing tactile and aesthetic outcomes, which is difficult to achieve through manual methods [12]. - Surface roughness is controlled to balance early stability and long-term safety, ensuring a smooth interface with surrounding tissues [14]. - The layout of fixation holes is designed to meet both mechanical requirements and surgical habits, facilitating predictable surgical actions [14]. Group 4: Localization Significance - The localization of the PEEK cranioplasty system enhances accessibility to high-quality reconstruction options, allowing for clearer execution conditions in clinical settings [15]. - A defined delivery schedule supports surgical planning, making personalized implants a routine choice rather than an exception [16]. - Local design teams ensure accurate implementation of design intentions, improving interface stability and reducing risks associated with micro-movements [18]. - The production system is not a simple replication but a transfer of existing international standards, ensuring consistent quality across different regions [21].