Digital Surgical Technique Research Articles

Combined application of virtual surgery and 3D printing technology in postoperative reconstruction of head and neck cancers

BackgroundThe complex anatomy of the head and neck creates a formidable challenge for surgical reconstruction. However, good functional reconstruction plays a vital role in the quality of life of patients undergoing head and neck surgery. Precision medical treatment in the field of head and neck surgery can greatly improve the prognosis of patients with head and neck tumors. In order to achieve better shape and function, a variety of modern techniques have been introduced to improve the restoration and reconstruction of head and neck surgical defects. Digital surgical technology has great potential applications in the clinical treatment of head and neck cancer because of its advantages of personalization and accuracy.Case presentationOur department has identified the value of modern digital surgical techniques in the field of head and neck surgery and has explored its utility, including CAD/CAM technology and VR technology. We have achieved good results in the reconstruction of head and neck surgical resection defects.ConclusionIn this article, we share five typical cases from the department of head and neck surgery where the reconstruction was performed with the assistance of digital surgical technology.

Accuracy Evaluation of Digital Surgical Technique Guided Needle Implantation in Interstitial Brachytherapy in Deep Regions of the Head and Neck

Accuracy Evaluation of Digital Surgical Technique Guided Needle Implantation in Interstitial Brachytherapy in Deep Regions of the Head and Neck

Impact of digital technology on clinical practices — perspectives form oral and maxillofacial surgery

Digital medical technologies or computer aided medical procedures refer to imaging, three-dimensional (3D) reconstruction, virtual design, 3D printing, navigation guided surgery and robotic assisted surgery techniques. These techniques are integrated into conventional surgical procedures to create new clinical protocols that are known as ‘digital surgical techniques’. Conventional health care is characterised by subjective experiences, while digital medical technologies bring quantifiable information, transferable data, repeatable methods and predictable outcomes into clinical practices. Digital surgical techniques facilitate surgical care by improving outcomes and reducing risks through integration of modern technologies with clinical experiences. Digital techniques are becoming increasingly popular in trauma surgery, orthopaedics, neurosurgery, plastic and reconstructive surgery, imaging and anatomic sciences. Robotic assisted surgery is also evolving and being applied in general surgery, cardiovascular surgery and orthopaedic surgery. Rapid development of digital medical technologies is changing healthcare and clinical practices. It is therefore important for all clinicians to purposefully adapt to these technologies and improve their clinical outcomes.

Inheritance of the Zhiqiang spirit to inaugurate a new era of precision biliary surgery

With inheritance of scientific spirit of Huang Zhiqiang, depending on the modern science and technology of evidence-based medicine methods, digital surgical technique, molecular imaging technique, minimally invasive technology, genomics and proteomics technology and Big Data analytics, giving full play to the characteristics of precision surgery, which include evidence-base, quantification, visualization and controllability, a new era of biliary surgery in China is inaugurated. Key words: Biliary tract diseases; Biliary surgery; Precision surgery; Digital surgery; Genomics

Impact of digital technology on clinical practices: perspectives from surgery

Digital medical technologies or computer aided medical procedures, refer to imaging, 3D reconstruction, virtual design, 3D printing, navigation guided surgery and robotic assisted surgery techniques. These techniques are integrated into conventional surgical procedures to create new clinical protocols that are known as "digital surgical techniques". Conventional health care is characterized by subjective experiences, while digital medical technologies bring quantifiable information, transferable data, repeatable methods and predictable outcomes into clinical practices. Being integrated into clinical practice, digital techniques facilitate surgical care by improving outcomes and reducing risks. Digital techniques are becoming increasingly popular in trauma surgery, orthopedics, neurosurgery, plastic and reconstructive surgery, imaging and anatomic sciences. Robotic assisted surgery is also evolving and being applied in general surgery, cardiovascular surgery and orthopedic surgery. Rapid development of digital medical technologies is changing healthcare and clinical practices. It is therefore important for all clinicians to purposefully adapt to these technologies and improve their clinical outcomes.

Application of computer aided surgery technique in free flaps reconstruction of jaw defect

Objective To explore the indication of CAS technique base on reviewing cases which used different transfer methods,and evaluate the advantages and disadvantages of each transfer method.Methods During August 2011 and Febreary 2014,there were 35 patients received surgical jaw reconstruction under the aid of CAS.According to the different transfer methods used,those cases were divided into 3 groups:①Navigational surgery group:5 cases,all were mandible defect reconstruction.②Stereolithographic Model/Template/Implant group:12 cases (including 2 maxilla defect reconstruction and 10 mandible defect reconstruction).③Navigation and template group:18 cases (including 9 maxilla defect reconstructions and 9 mandible defect reconstructions).Results All 3 methods could effectively transfer the virtual surgical planning information,the reconstruction achieved better outcome.All patients were satisfied with the post-operative aesthetical and functional outcome.Conclusion Computer aided surgery technique can improve aesthetic and functional reconstruction outcome in jaw defect reconstruction,leading to higher efficiency,accuracy and safety.It is highly recommended to select a proper transfer method according to the reconstruction goal and volume of defect. Key words: Digital surgical techniques; Jaw reconstruction; Navigational surgery; Surgical template

OP108: Precise reconstruction of jaws assisted with digital surgical technique

Purpose The digital surgical technique (DST) including virtual design, stereomodel operating and surgical navigation was used for jaw reconstruction with microvascular fibula and iliac flap in order to find an effective way to reach more accurate outcome of reconstruction. Materials and methods Based on the CT scan data, the entire process of the lesion resection and reconstruction were simulated using the 3D software to select the most feasible plan. According to the results obtained from software, the simulated operation was performed on the stereomodels of skull and fibula/iliac formed by the rapid prototyping machine, including the manufacture templates and prebending of titanium plates. The whole operation was performed guided by the surgical navigation system. Results There were 20 reconstructed cases using this technique and the successful rate of the flap transfer was 100%, which indicated that a good clinical outcome in terms of facial contour and occlusion. CT scan showed the reconstructed profiles were ideal. The error of important corresponding points in the image registration was 2–4 mm. Conclusions For the jaw reconstruction, DST is of considerable value for the accurate planning and precise performance for reconstruction of jaws, and the result of reconstruction of jaws will be more predictable and stable assisted with DST.

Application of digital surgical techniques on correction of dento-maxillofacial deformities

Application of digital surgical techniques on correction of dento-maxillofacial deformities

Digital surgical technology in reconstruction of orbital frame

To evaluate the application of digital surgical technology in reconstruction of orbital frame and assess the treatment outcomes. Seven patients with post-traumatic orbital defect were included in this study. Images of the orbit were obtained for each individual through computed tomography (CT). Preoperative design was finished according to rapid prototyping, computer-aided design and computer-aided manufacturing (CAD-CAM) and other digital surgical techniques. Surgical fracture reductions with internal fixation and implant of Medpor were used in operation to reconstruct orbit as well as correct enophthalmos and diplopia. Accurate realignment of the displaced orbital rim was obtained in all the 7 patients, and enophthalmos and diplopia were corrected in 4 and 2 patients, respectively. Digital techniques provide a precise means for preoperative design and operation implementation during orbital reconstruction. As a result, complications can be reduced, and the patient's facial appearance can be maximally improved.