scholarly journals Traditional versus mirror three-dimensional printing technology for isolated acetabular fractures: a retrospective study with a median follow-up of 25 months

2021 ◽  
Vol 49 (6) ◽  
pp. 030006052110285
Author(s):  
Kai Xiao ◽  
Bo Xu ◽  
Lin Ding ◽  
Weiguang Yu ◽  
Lei Bao ◽  
...  
Keyword(s):  
3D Printing ◽  
Three Dimensional ◽  
Operation Time ◽  
Harris Hip Score ◽  
Acetabular Fractures ◽  
Printing Technology ◽  
Three Dimensional Printing ◽  
3D Printing Technology ◽  
Significant Difference

Objective To assess the outcomes of traditional three-dimensional (3D) printing technology (TPT) versus mirror 3D printing technology (MTT) in treating isolated acetabular fractures (IAFs). Methods Consecutive patients with an IAF treated by either TPT or MTT at our tertiary medical centre from 2012 to 2018 were retrospectively reviewed. Follow-up was performed 1, 3, 6, and 12 months postoperatively and annually thereafter. The primary outcome was the Harris hip score (HHS), and the secondary outcomes were major intraoperative variables and key orthopaedic complications. Results One hundred fourteen eligible patients (114 hips) with an IAF (TPT, n = 56; MTT, n = 58) were evaluated. The median follow-up was 25 months (range, 21–28 months). At the last follow-up, the mean HHS was 82.46 ±14.70 for TPT and 86.30 ± 13.26 for MTT with a statistically significant difference. Significant differences were also detected in the major intraoperative variables (operation time, intraoperative blood loss, number of fluoroscopic screenings, and anatomical reduction number) and the major orthopaedic complications (loosening, implant failure, and heterotopic ossification). Conclusion Compared with TPT, MTT tends to produce accurate IAF reduction and may result in better intraoperative variables and a lower rate of major orthopaedic complications.

scholarly journals Traditional three-dimensional printing technology versus three-dimensional printing mirror model technology in the treatment of isolated acetabular fractures: a retrospective analysis

2020 ◽  
Vol 48 (5) ◽  
pp. 030006052092425
Author(s):  
Cong Yu ◽  
Weiguang Yu ◽  
Shuai Mao ◽  
Peiru Zhang ◽  
Xinchao Zhang ◽  
...  
Keyword(s):  
3D Printing ◽  
Acetabular Fracture ◽  
Three Dimensional ◽  
Operation Time ◽  
Acetabular Fractures ◽  
Printing Technology ◽  
Three Dimensional Printing ◽  
3D Printing Technology ◽  
Technology Group ◽  
Dimensional Printing

Objective This study was performed to compare the clinical outcomes of traditional three-dimensional (3D) printing technology and 3D printing mirror model technology in the treatment of isolated acetabular fractures. Methods Prospectively maintained databases were reviewed to retrospectively compare patients with an isolated acetabular fracture who were treated with traditional 3D printing technology (Group T) or 3D printing mirror model technology (Group M) from 2011 to 2017. In total, 146 advanced-age patients (146 hips) with an isolated acetabular fracture (Group T, n = 72; Group M, n = 74) were assessed for a mean follow-up period of 29 months (range, 24–34 months). The primary endpoint was the postoperative Harris hip score (HHS). The secondary endpoints were the operation time, intraoperative blood loss, fluoroscopy screening time, fracture reduction quality, and incidence of postoperative complications at the final follow-up. Results The HHS, operation time, intraoperative blood loss, fluoroscopy screening time, and incidence of postoperative complications were significantly different between the groups, with Group M showing superior clinical outcomes. Conclusion In patients with an isolated acetabular fracture, 3D printing mirror model technology might lead to more accurate and efficient treatment than traditional 3D printing technology.

scholarly journals A Systematic Review and Meta-Analysis of 3D Printing Technology for the Treatment of Acetabular Fractures

2021 ◽  
Vol 2021 ◽  
pp. 1-15
Author(s):  
Jin Cao ◽  
Huanye Zhu ◽  
Chao Gao
Keyword(s):  
Systematic Review ◽  
3D Printing ◽  
Meta Analysis ◽  
Three Dimensional ◽  
Operation Time ◽  
Final Analysis ◽  
Acetabular Fractures ◽  
Long Term Effects ◽  
Printing Technology ◽  
3D Printing Technology

Purpose. Three-dimensional (3D) printing technology has been widely used in orthopedics surgery. However, its efficacy in acetabular fractures remains unclear. The aim of this systematic review and meta-analysis was to examine the effect of using 3D printing technology in the surgery for acetabular fractures. Methods. The systematic review was performed following the PRISMA guidelines. Four major electronic databases were searched (inception to February 2021). Studies were screened using a priori criteria. Data from each study were extracted by two independent reviewers and organized using a standardized table. Data were pooled and presented in forest plots. Results. Thirteen studies were included in the final analysis. Four were prospective randomized trials, and nine used a retrospective comparative design. The patients aged between 32.1 (SD 14.6) years and 51.9 (SD 18.9) years. Based on the pooled analyses, overall, 3D printing-assisted surgery decreased operation time by 38.8 minutes (95% CI: -54.9, -22.8), intraoperative blood loss by 259.7 ml (95% CI: -394.6, -124.9), instrumentation time by 34.1 minutes (95% CI: -49.0, -19.1). Traditional surgery was less likely to achieve good/excellent function of hip (RR, 0.53; 95% CI: 0.34, 0.82) and more likely to have complications than 3D printing-assisted surgery (RR, 1.19; 95% CI: 1.07, 1.33). Conclusions. 3D printing technology demonstrated efficacy in the treatment of acetabular fractures. It may improve surgery-related and clinical outcomes. More prospective studies using a rigorous design (e.g., randomized trial with blinding) are warranted to confirm the long-term effects of 3D printing technology in orthopedics surgeries.

scholarly journals Comparison of Presurgical Dental Models Manufactured with Two Different Three-Dimensional Printing Techniques

2020 ◽  
Vol 2020 ◽  
pp. 1-6 ◽  
Author(s):  
Marcin Metlerski ◽  
Katarzyna Grocholewicz ◽  
Aleksandra Jaroń ◽  
Mariusz Lipski ◽  
Grzegorz Trybek ◽  
...  
Keyword(s):  
3D Printing ◽  
Oral Surgery ◽  
Three Dimensional ◽  
Mean Deviation ◽  
Printing Technology ◽  
Three Dimensional Printing ◽  
Reference Models ◽  
3D Printing Technology ◽  
Dimensional Printing ◽  
Printing Time

Three-dimensional printing is a rapidly developing area of technology and manufacturing in the field of oral surgery. The aim of this study was comparison of presurgical models made by two different types of three-dimensional (3D) printing technology. Digital reference models were printed 10 times using fused deposition modelling (FDM) and digital light processing (DLP) techniques. All 3D printed models were scanned using a technical scanner. The trueness, linear measurements, and printing time were evaluated. The diagnostic models were compared with the reference models using linear and mean deviation for trueness measurements with computer software. Paired t-tests were performed to compare the two types of 3D printing technology. A P value < 0.05 was considered statistically significant. For FDM printing, all average distances between the reference points were smaller than the corresponding distances measured on the reference model. For the DLP models, the average distances in the three measurements were smaller than the original. Only one average distance measurement was greater. The mean deviation for trueness was 0.1775 mm for the FDM group and 0.0861 mm for the DLP group. Mean printing time for a single model was 517.6 minutes in FDM technology and 285.3 minutes in DLP. This study confirms that presurgical models manufactured with FDM and DLP technologies are usable in oral surgery. Our findings will facilitate clinical decision-making regarding the best 3D printing technology to use when planning a surgical procedure.

scholarly journals Three-Dimensional Printing: Custom-Made Implants for Craniomaxillofacial Reconstructive Surgery

2017 ◽  
Vol 10 (2) ◽  
pp. 089-098 ◽  
Author(s):  
Mariana Matias ◽  
Horácio Zenha ◽  
Horácio Costa
Keyword(s):  
3D Printing ◽  
Reconstructive Surgery ◽  
Three Dimensional ◽  
Tactile Feedback ◽  
Current Status ◽  
Printing Technology ◽  
Three Dimensional Printing ◽  
3D Printing Technology ◽  
Custom Made ◽  
The Aesthetic

Craniomaxillofacial reconstructive surgery is a challenging field. First it aims to restore primary functions and second to preserve craniofacial anatomical features like symmetry and harmony. Three-dimensional (3D) printed biomodels have been widely adopted in medical fields by providing tactile feedback and a superior appreciation of visuospatial relationship between anatomical structures. Craniomaxillofacial reconstructive surgery was one of the first areas to implement 3D printing technology in their practice. Biomodeling has been used in craniofacial reconstruction of traumatic injuries, congenital disorders, tumor removal, iatrogenic injuries (e.g., decompressive craniectomies), orthognathic surgery, and implantology. 3D printing has proven to improve and enable an optimization of preoperative planning, develop intraoperative guidance tools, reduce operative time, and significantly improve the biofunctional and the aesthetic outcome. This technology has also shown great potential in enriching the teaching of medical students and surgical residents. The aim of this review is to present the current status of 3D printing technology and its practical and innovative applications, specifically in craniomaxillofacial reconstructive surgery, illustrated with two clinical cases where the 3D printing technology was successfully used.

scholarly journals 3D Printing and Shaping Polymers, Composites, and Nanocomposites: A Review

Polymers ◽  
2022 ◽  
Vol 14 (1) ◽  
pp. 180
Author(s):  
M. N. M. Azlin ◽  
R. A. Ilyas ◽  
M. Y. M. Zuhri ◽  
S. M. Sapuan ◽  
M. M. Harussani ◽  
...  
Keyword(s):  
3D Printing ◽  
Historical Development ◽  
Three Dimensional ◽  
Polymer Materials ◽  
Printing Technology ◽  
Three Dimensional Printing ◽  
3D Printing Technology ◽  
Sustainable Technologies ◽  
Bright Future ◽  
Dimensional Printing

Sustainable technologies are vital due to the efforts of researchers and investors who have allocated significant amounts of money and time to their development. Nowadays, 3D printing has been accepted by the main industry players, since its first establishment almost 30 years ago. It is obvious that almost every industry is related to technology, which proves that technology has a bright future. Many studies have shown that technologies have changed the methods for developing particular products. Three-dimensional printing has evolved tremendously, and currently, many new types of 3D printing machines have been introduced. In this paper, we describe the historical development of 3D printing technology including its process, types of printing, and applications on polymer materials.

scholarly journals Three-dimensional printing technology for localised thoracoscopic segmental resection for lung cancer

2020 ◽  
Author(s):  
Yangming Chen ◽  
Jiguang Zhang ◽  
Qianshun Chen ◽  
Tian Li ◽  
Kai Chen ◽  
...  
Keyword(s):  
3D Printing ◽  
Operative Time ◽  
Three Dimensional ◽  
Ct Reconstruction ◽  
Printing Technology ◽  
3D Printing Technology ◽  
Significant Difference ◽  
Group A ◽  
Group B ◽  
Ground Glass Nodules

Abstract Background Three-dimensional (3D) CT reconstruction technology has gained increasing attention owing to its potential in locating ground glass nodules in the lung. The 3D printing technology additionally allows visualising the surrounding anatomical structure and variations. However, the clinical utility of these techniques is not known. We aimed to establish a lung tumour and an anatomical lung model using three-dimensional (3D) printing and 3D chest computed tomography (CT) reconstruction and to evaluate the clinical potential of 3D printing technology in uniportal video-assisted thoracoscopic segmentectomy. Methods Eighty-nine patients with ground glass nodules who underwent uniportal video-assisted thoracoscopic segmentectomy were divided into the following groups: Group A, lung models for pre-positioning and simulated surgery that were made with 3D chest CT reconstruction and 3D printing; Group B, patients who underwent chest CT scans with image enhancement for 3D reconstruction. The differences in the surgery approach transfer rate, surgical method conversion rate, operative time, intraoperative blood loss, and postoperative complication rate were compared between the groups. Results The surgery approach transfer rate was 0% and 10.5% for Groups A and B, respectively, showing a significant difference (p = 0.030). The operative time was 2.07 ± 0.24 hours and 2.55 ± 0.41 hours, respectively, showing a significant difference (p<༜0.001). Intraoperative blood loss volume was 43.25 ± 13.63 and 96.68 ± 32.82 ml, respectively, showing a significant difference (p<༜0.001). The postoperative complication rate was 3.9% and 13.2%, respectively, showing a non-significant difference (P = 0.132). The rate of surgical method conversion to lobectomy in Group A was 0%, which was significantly lower than that of 10.5% in group B (p < 0.030). Conclusions 3D printing technology helps surgeons to locate the nodules more accurately, as it is based on 2D and 3D imaging findings, thereby improving the accuracy and safety of surgery. This technique is worth for application in clinical practice. Trial registration: Retrospectively registered.

From Patient to Procedure: The Process of Creating a Custom 3D-Printed Medical Device for Foot and Ankle Pathology

2020 ◽  
pp. 193864002097141
Author(s):  
Rishin J. Kadakia ◽  
Colleen M. Wixted ◽  
Cambre N. Kelly ◽  
Andrew E. Hanselman ◽  
Samuel B. Adams
Keyword(s):  
3D Printing ◽  
Three Dimensional ◽  
Improve Patient Care ◽  
Physician Education ◽  
Foot And Ankle ◽  
Printing Technology ◽  
Three Dimensional Printing ◽  
3D Printing Technology ◽  
3D Printed ◽  
3D Anatomy

Three-dimensional (3D) printing technology has advanced greatly over the past decade and is being used extensively throughout the field of medicine. Several orthopaedic surgery specialties have demonstrated that 3D printing technology can improve patient care and physician education. Foot and ankle pathology can be complex as the 3D anatomy can be challenging to appreciate. Deformity can occur in several planes simultaneously and bone defects either from previous surgery or trauma can further complicate surgical correction. Three-dimensional printing technology provides an avenue to tackle the challenges associated with complex foot and ankle pathology. A basic understanding of how these implants are designed and made is important for surgeons as this technology is becoming more widespread and the clinical applications continue to grow within foot and ankle surgery. Levels of Evidence: Level V

scholarly journals The effect of three-dimensional (3D) printing on quantitative and qualitative outcomes in paediatric orthopaedic osteotomies: a systematic review

2021 ◽  
Vol 6 (2) ◽  
pp. 130-138
Author(s):  
Mohsen Raza ◽  
Daniel Murphy ◽  
Yael Gelfer
Keyword(s):  
Systematic Review ◽  
3D Printing ◽  
Blood Loss ◽  
Operating Time ◽  
Three Dimensional ◽  
Patient Specific ◽  
Printing Technology ◽  
3D Printing Technology ◽  
Significant Difference ◽  
Paediatric Orthopaedic

Three-dimensional (3D) printing technology is increasingly being utilized in various surgical specialities. In paediatric orthopaedics it has been applied in the pre-operative and intra-operative stages, allowing complex deformities to be replicated and patient-specific instrumentation to be used. This systematic review analyses the literature on the effect of 3D printing on paediatric orthopaedic osteotomy outcomes. A systematic review of several databases was conducted according to PRISMA guidelines. Studies evaluating the use of 3D printing technology in orthopaedic osteotomy procedures in children (aged ≤ 16 years) were included. Spinal and bone tumour surgery were excluded. Data extracted included demographics, disease pathology, target bone, type of technology, imaging modality used, qualitative/quantitative outcomes and follow-up. Articles were further categorized as either ‘pre-operative’ or ‘intra-operative’ applications of the technology. Twenty-two articles fitting the inclusion criteria were included. The reported studies included 212 patients. There were five articles of level of evidence 3 and 17 level 4. A large variety of outcomes were reported with the most commonly used being operating time, fluoroscopic exposure and intra-operative blood loss. A significant difference in operative time, fluoroscopic exposure, blood loss and angular correction was found in the ‘intra-operative’ application group. No significant difference was found in the ‘pre-operative’ category. Despite a relatively low evidence base pool of studies, our aggregate data demonstrate a benefit of 3D printing technology in various deformity correction applications, especially when used in the ‘intra-operative’ setting. Further research including paediatric-specific core outcomes is required to determine the potential benefit of this novel addition. Cite this article: EFORT Open Rev 2021;6:130-138. DOI: 10.1302/2058-5241.6.200092

Development of fabrics by digital light processing three-dimensional printing technology and using a polyurethane acrylate photopolymer

2019 ◽  
Vol 90 (7-8) ◽  
pp. 847-856
Author(s):  
Seul Gi Kim ◽  
Ji Eun Song ◽  
Hye Rim Kim
Keyword(s):  
3D Printing ◽  
Layer Thickness ◽  
Three Dimensional ◽  
Curing Time ◽  
Printing Technology ◽  
Digital Light Processing ◽  
Three Dimensional Printing ◽  
3D Printing Technology ◽  
Polyurethane Acrylate ◽  
3D Printed

This study aimed to produce fabrics by the digital light processing (DLP) three-dimensional (3D) printing technology and using a polyurethane acrylate photopolymer as the printing material. The effect of the acrylate oligomer concentration on printing was evaluated. The DLP 3D printing conditions, such as the curing time and layer thickness, were controlled considering the physical properties, such as the tensile strength, elongation, and crease recovery of the 3D printed material. The optimal printing conditions were as follows: concentration of acrylate oligomer in the photopolymer: 10% (v/v); curing time per layer: 14 s; and layer thickness: 100 µm. These results are expected to guide further studies on the development of fabrics using DLP 3D printing technology.

scholarly journals Three-dimensional printing technology for localised thoracoscopic segmental resection for lung cancer : a quasi-randomised clinical trial

2020 ◽  
Author(s):  
Yangming Chen ◽  
Jiguang Zhang ◽  
Qianshun Chen ◽  
Tian Li ◽  
Kai Chen ◽  
...  
Keyword(s):  
3D Printing ◽  
Three Dimensional ◽  
Chest Ct ◽  
Ct Reconstruction ◽  
Printing Technology ◽  
3D Printing Technology ◽  
Significant Difference ◽  
Group A ◽  
Group B ◽  
Ground Glass Nodules

Abstract Background : Three-dimensional (3D) computed tomography (CT) reconstruction technology has gained increasing attention owing to its potential in locating ground glass nodules in the lung. The 3D printing technology additionally allows the visualisation of the surrounding anatomical structure and variations. However, the clinical utility of these techniques is unknown. This study aimed to establish a lung tumour and an ana tomical lung model using 3D printing and 3D chest CT reconstruction and to evaluate the clinical potential of 3D printing technology in uniportal video-assisted thoracoscopic segmentectomy . Methods : Eighty-nine patients with ground glass nodules who underwent uniportal video-assisted thoracoscopic segmentectomy were classified into the following groups: Group A, lung models for pre-positioning and simulated surgery that were made with 3D chest CT reconstruction and 3D printing; Group B, patients who underwent chest CT scans with image enhancement for 3D reconstruction. The differences in the surgery approach transfer rate, surgical method conversion rate, operative time, intraoperative blood loss, and postoperative complication rate were compared between the groups. Results : The surgery approach transfer rate was 0% and 10.5% for Groups A and B, respectively, showing a significant difference (p=0.030); the operative time was 2.07±0.24 hours and 2.55±0.41 hours, respectively, indicating a significant difference (p<＜0.001); intraoperative blood loss volume was 43.25±13.63 and 96.68±32.82 mL, respectively, demonstrating a significant difference (p<＜0.001); the postoperative complication rate was 3.9% and 13.2%, respectively, showing a non-significant difference (P=0.132). The rate of surgical method conversion to lobectomy in Group A was 0%, which was significantly lower than that of 10.5% in group B (p<0.030). Conclusions : 3D printing technology facilitates a more accurate location of nodules by surgeons, as it is based on two-dimensional and 3D imaging findings, thereby improving the accuracy and safety of surgery. This technique is worth applying in clinical practice.

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