3D Printed Model Used as Preoperative Tool for Treating Acromioclavicular Joint Dislocation with Pre-Contoured Clavicle Hook Plate: Technical Note

Abstract

Objective To introduce a new technique using real-size 3D-printed acromioclavicular joint models as preoperative tools for treating acromioclavicular (AC) joint dislocation.

Methods Both the injured AC joint and the mirrored normal side AC joint are 3D printed into real-size models. A proper hook plate is selected and pre-bended to fit the normal side AC joint. The bended plate is then used to perform a reduction operation on a real-size injured AC joint model and the result is compared with the mirrored normal AC joint model to see if the reduction is accurate.

Results It is easy to select and bend a clavicle hook plate to achieve an accurate reduction with the help of a 3D printing technique.

Conclusion With this technique, surgeons can achieve an accurate reduction of the injured AC joint with a clavicle hook plate which might be helpful to reduce the risk of complications.

Zusammenfassung

Ziel Einführung einer neuen Technik unter Verwendung von 3D-gedruckten akromioklavierförmigen Gelenkmodellen in realer Größe als präoperative Werkzeuge zur Behandlung akromioklavikulärer (AC) Gelenkverrenkungen.

Methoden Sowohl das verletzte AC-Gelenk als auch das gespiegelte normale Seiten-AC-Gelenk werden in 3D-Formate gedruckt. Eine richtige Hakenplatte wird ausgewählt und vorgebogen, um die normale Seitenacac-Verbindung zu passen. Die gebogene Platte wird dann verwendet, um eine Reduktionsoperation auf einem realen verletzten AC-Gelenkmodell durchzuführen und das Ergebnis wird mit dem gespiegelten normalen AC-Gelenkmodell verglichen, um zu sehen, ob die Reduzierung korrekt ist.

Ergebnisse Es ist einfach, eine Schlüsselklappenplatte auszuwählen und zu biegen, um eine genaue Reduktion mit Hilfe einer 3D-Drucktechnik zu erreichen.

Fazit Mit dieser Technik können Chirurgen eine genaue Reduktion des verletzten AC-Gelenks mit einer Schlüsselbeinhakenplatte erreichen, die hilfreich sein könnte, um das Risiko von Komplikationen zu reduzieren.

Key words

acromioclavicular joint dislocation - clavicle hook plate - 3D printing

Schlüsselwörter

akromioklavikuläre Gelenkverrenkungen - Schlüsselklappenplatte - 3-D-Druck

^* Xuhua Wu and Gang Wang are co-first author; contributed equally

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