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3D printing fracture

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https://www.readbyqxmd.com/read/28444580/three-dimensional-virtual-planning-of-corrective-osteotomies-of-distal-radius-malunions-a-systematic-review-and-meta-analysis
#1
REVIEW
R J O de Muinck Keizer, K M Lechner, M A M Mulders, N W L Schep, D Eygendaal, J C Goslings
The purpose of this study was to summarize and evaluate results of three-dimensional (3D-) planned corrective osteotomies of malunited distal radius fractures. 3D-planning techniques provide the possibility to address 3D-deformity that conventional planning methods might not address. We systematically searched PubMed, EMBASE and the Cochrane library for studies that performed a 3D-planned corrective osteotomy on patients with a malunited distal radius fracture. Fifteen studies with a total of 68 patients were included in the analysis...
April 25, 2017: Strategies in Trauma and Limb Reconstruction
https://www.readbyqxmd.com/read/28434826/the-accuracy-of-patient-specific-implant-prebented-with-3d-printed-rapid-prototype-model-for-orbital-wall-reconstruction
#2
Young Chul Kim, Woo Shik Jeong, Tae-Kyung Park, Jong Woo Choi, Kyung S Koh, Tae Suk Oh
BACKGROUND: This study evaluated the accuracy of blow out fracture reduction using 3D-printed rapid prototyping (RP) skull modeling. PATIENTS AND METHODS: Retrospective review was performed for 82 patients who underwent post-traumatic orbital wall fracture reduction between 2012 and 2014. Patients were divided into two groups according to the use of 3D-printed RP skull model reproduced by mirroring technique, onto which a titanium mesh was anatomically molded. Using computed tomographic scans, the areas of pre- and post-operative orbital wall defect, the layout angles of the titanium mesh, and the gap lengths between the implant and fracture margin were compared between the two groups...
March 27, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28428034/near-anatomical-correction-using-a-ct-guided-technique-of-a-forearm-malunion-in-a-15-year-old-girl-a-case-report-including-surgical-technique
#3
Ralph M Jeuken, Roel P Hendrickx, Martijn G Schotanus, Edwin J Jansen
BACKGROUND: In this case report we describe a left-arm both-bone forearm fracture in a 15-year old girl who fell off of a swing. Conservative treatment with an above-elbow cast failed,resulting in a malunion with functional impairment. The pro- and supination were 90/0/10, respectively. The patient complained of difficulties performing daily activities. For this pediatric case a corrective osteotomy was proposed using a CT-guided technique aiming for maximum anatomical and functional outcome...
April 17, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28396929/comparison-of-traditional-surgery-and-surgery-assisted-by-three%C3%A2-dimensional-printing-technology-in-the-treatment-of-tibial-plateau-fractures
#4
Yiting Lou, Leyi Cai, Chenggui Wang, Qian Tang, Tianlong Pan, Xiaoshan Guo, Jianshun Wang
PURPOSE: This study was conducted to compare traditional surgery and surgery assisted by 3D printing technology in the treatment of tibial plateau fractures. In addition, we also investigated the effect of 3D printing technology on the communication between doctors and patients. METHODS: Seventy two patients with tibial plateau fractures were enrolled in the study from April 2014 to October 2015. They were divided into two groups: 34 cases of 3D model group, 38 cases of traditional surgery group...
April 10, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28388595/customized-knee-prosthesis-in-treatment-of-giant-cell-tumors-of-the-proximal-tibia-application-of-3-dimensional-printing-technology-in-surgical-design
#5
Wenbin Luo, Lanfeng Huang, He Liu, Wenrui Qu, Xin Zhao, Chenyu Wang, Chen Li, Tao Yu, Qing Han, Jincheng Wang, Yanguo Qin
BACKGROUND We explored the application of 3-dimensional (3D) printing technology in treating giant cell tumors (GCT) of the proximal tibia. A tibia block was designed and produced through 3D printing technology. We expected that this 3D-printed block would fill the bone defect after en-bloc resection. Importantly, the block, combined with a standard knee joint prosthesis, provided attachments for collateral ligaments of the knee, which can maintain knee stability. MATERIAL AND METHODS A computed tomography (CT) scan was taken of both knee joints in 4 patients with GCT of the proximal tibia...
April 7, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28377356/-application-of-3d-printing-and-computer-assisted-surgical-simulation-in-preoperative-planning-for-acetabular-fracture
#6
Xin Liu, Can-Jun Zeng, Jian-Sen Lu, Xu-Chen Lin, Hua-Jun Huang, Xin-Yu Tan, Dao-Zhang Cai
OBJECTIVE: To evaluate the feasibility and effectiveness of using 3D printing and computer-assisted surgical simulation in preoperative planning for acetabular fractures. METHODS: A retrospective analysis was performed in 53 patients with pelvic fracture, who underwent surgical treatment between September, 2013 and December, 2015 with complete follow-up data. Among them, 19 patients were treated with CT three-dimensional reconstruction, computer-assisted virtual reset internal fixation, 3D model printing, and personalized surgery simulation before surgery (3D group), and 34 patients underwent routine preoperative examination (conventional group)...
March 20, 2017: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/28325671/accurate-fixation-of-plates-and-screws-for-the-treatment-of-acetabular-fractures-using-3d-printed-guiding-templates-an-experimental-study
#7
Xu Chen, Xuanhuang Chen, Guodong Zhang, Haibin Lin, Zhengxi Yu, Changfu Wu, Xing Li, Yijun Lin, Wenhua Huang
OBJECTIVE: To investigate the feasibility of the use of 3D-printed guiding templates for accurate placement of plates and screws for internal fixation of acetabular fractures. METHODS: 3D models of the pelvises of 14 adult cadavers were reconstructed using computed tomography (CT). Twenty-eight acetabular fractures were simulated and placement positions for plates and screw trajectories were designed. Bending module was obtained by 3D cutting; guiding template was manufactured using 3D printing, and the plate was pre-bent according to the bending module...
March 7, 2017: Injury
https://www.readbyqxmd.com/read/28287077/bone-regeneration-in-3d-printing-bioactive-ceramic-scaffolds-with-improved-tissue-material-interface-pore-architecture-in-thin-wall-bone-defect
#8
Huifeng Shao, Xiurong Ke, An Liu, Miao Sun, Yong He, Xianyan Yang, Jianzhong Fu, Yanming Liu, Lei Zhang, Guojing Yang, Sanzhong Xu, Zhongru Gou
Three-dimensional (3D) printing bioactive ceramics have demonstrated alternative approaches to bone tissue repair, but an optimized materials system for improving the recruitment of host osteogenic cells into the bone defect and enhancing targeted repair of the thin-wall craniomaxillofacial defects remains elusive. Herein we systematically evaluated the role of side-wall pore architecture in the direct-ink-writing bioceramic scaffolds on mechanical properties and osteogenic capacity in rabbit calvarial defects...
April 12, 2017: Biofabrication
https://www.readbyqxmd.com/read/28241717/-application-of-three-dimensional-printing-personalized-acetabular-wing-plate-in-treatment-of-complex-acetabular-fractures-via-lateral-rectus-approach
#9
J G Mai, C Gu, X Z Lin, T Li, W Q Huang, H Wang, X Y Tan, H Lin, Y M Wang, Y Q Yang, D D Jin, S C Fan
Objective: To investigate reduction and fixation of complex acetabular fractures using three-dimensional (3D) printing technique and personalized acetabular wing-plate via lateral-rectus approach. Methods: From March to July 2016, 8 patients with complex acetabular fractures were surgically managed through 3D printing personalized acetabular wing-plate via lateral-rectus approach at Department of Orthopedics, the Third Affiliated Hospital of Southern Medical University. There were 4 male patients and 4 female patients, with an average age of 57 years (ranging from 31 to 76 years)...
March 1, 2017: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/28236695/investigation-of-the-elastic-modulus-tensile-and-flexural-strength-of-five-skull-simulant-materials-for-impact-testing-of-a-forensic-skin-skull-brain-model
#10
Lisa Falland-Cheung, J Neil Waddell, Kai Chun Li, Darryl Tong, Paul Brunton
Conducting in vitro research for forensic, impact and injury simulation modelling generally involves the use of a skull simulant with mechanical properties similar to those found in the human skull. For this study epoxy resin, fibre filled epoxy resin, 3D-printing filaments (PETG, PLA) and self-cure acrylic denture base resin were used to fabricate the specimens (n=20 per material group), according to ISO 527-2 IBB and ISO20795-1. Tensile and flexural testing in a universal testing machine was used to measure their tensile/flexural elastic modulus and strength...
February 20, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28230707/low-cost-3d-printing-orbital-implant-templates-in-secondary-orbital-reconstructions
#11
Alison B Callahan, Ashley A Campbell, Carisa Petris, Michael Kazim
PURPOSE: Despite its increasing use in craniofacial reconstructions, three-dimensional (3D) printing of customized orbital implants has not been widely adopted. Limitations include the cost of 3D printers able to print in a biocompatible material suitable for implantation in the orbit and the breadth of available implant materials. The authors report the technique of low-cost 3D printing of orbital implant templates used in complex, often secondary, orbital reconstructions. METHODS: A retrospective case series of 5 orbital reconstructions utilizing a technique of 3D printed orbital implant templates is presented...
February 22, 2017: Ophthalmic Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28202368/the-use-of-virtual-surgical-planning-and-navigation-in-the-treatment-of-orbital-trauma
#12
Alan Scott Herford, Meagan Miller, Floriana Lauritano, Gabriele Cervino, Fabrizio Signorino, Carlo Maiorana
Virtual surgical planning (VSP) has recently been introduced in craniomaxillofacial surgery with the goal of improving efficiency and precision for complex surgical operations. Among many indications, VSP can also be applied for the treatment of congenital and acquired craniofacial defects, including orbital fractures. VSP permits the surgeon to visualize the complex anatomy of craniofacial region, showing the relationship between bone and neurovascular structures. It can be used to design and print using three-dimensional (3D) printing technology and customized surgical models...
February 2017: Chinese Journal of Traumatology, Zhonghua Chuang Shang za Zhi
https://www.readbyqxmd.com/read/28163241/application-of-3d-printing-for-treating-fractures-of-both-columns-of-the-acetabulum-benefit-of-pre-contouring-plates-on-the-mirrored-healthy-pelvis
#13
P Upex, P Jouffroy, G Riouallon
Acetabular fractures can be challenging to treat, in part because the shape of the fixation plates needs to be adjusted during the surgical procedure. One possibility is to generate a model of the uninjured half of a fractured pelvis with 3D printing, and then pre-contour the fixation plates preoperatively on this model. The purpose of this technical note is to describe how we used 3D printing as an aid to treat acetabular fractures. The quality of the fracture reduction, fracture fixation and time savings were evaluated...
May 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28120475/application-of-a-customized-3d-printed-reduction-aid-after-external-fixation-of-the-femur-and-tibia-technical-note
#14
Mohamed Omar, Alexander-Nicolai Zeller, Nils-Claudius Gellrich, Majeed Rana, Christian Krettek, Emannouil Liodakis
BACKGROUND: To construct a fracture-specific reduction aid by means of virtual reduction technology and 3D printing to reduce malreduced, externally fixed, long bone fractures. TECHNIQUE: Following application of an external fixator to a malreduced long bone fracture, we performed postoperative computed tomography to visualise the fragments and their position relative to Schanz screws. DICOM data were transferred to 3D planning software, and the fracture was then virtually reduced...
January 25, 2017: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://www.readbyqxmd.com/read/28071597/three-dimensional-printing-of-a-microneedle-array-on-personalized-curved-surfaces-for-dual-pronged-treatment-of-trigger-finger
#15
Seng Han Lim, Jian Yao Ng, Lifeng Kang
The hand function of patients who suffer from trigger finger can be impaired by the use of traditional splints. There is also a risk of systemic side effects with oral non-steroidal anti-inflammatory drugs (NSAIDs) used for pain relief. Microneedle-assisted transdermal drug delivery offers an attractive alternative for local delivery of NSAIDs. However, traditional microneedle arrays fabricated on flat surfaces are unable to deliver drugs effectively across the undulating skin surface of affected finger(s)...
January 10, 2017: Biofabrication
https://www.readbyqxmd.com/read/28005765/functional-reconstruction-in-mandibular-avulsion-injuries
#16
Yoav Leiser, Dekel Shilo, Amir Wolff, Adi Rachmiel
The present report describes the planning and surgery as well as pitfalls and management of a patient with a near total mandibular avulsion injury that was rehabilitated using three-dimensional (3D) laser printing of a titanium lower jaw. Laser-sintering involves zapping layers of powdered metal to recreate a 3D implantable skeletal defect. The process involves using either mirror imaging of the unaffected side or using archival image database of healthy individuals. A 25-year-old man presented with a gunshot injury that left him with a near total avulsed mandible...
November 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27977586/application-of-a-3-dimensional-printed-navigation-template-in-bernese-periacetabular-osteotomies-a-cadaveric-study
#17
You Zhou, Xiaopeng Kang, Chuan Li, Xiaoshan Xu, Rong Li, Jun Wang, Wei Li, Haotian Luo, Sheng Lu
The aim of the present study was to describe the application of 3D printed templates for intraoperative navigation and simulation of periacetabular osteotomies (PAOs) in a cadaveric model.Five cadaveric specimens (10 sides) underwent thin-slice computed tomographic scans of the ala of ilium downwards to the proximal end of femoral shaft. Bernese PAO was performed. Using Mimics v10.1 software (Materialise, Leuven, Belgium), 3D computed tomographic reconstructions were created and the 4 standard PAO bone cuts-ischial, pubic, anterior, and posterior aspects of the ilium-as well as rotation of the dislocated acetabular bone blocks were simulated for each specimen...
December 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27973960/the-accuracy-and-the-safety-of-individualized-3d-printing-screws-insertion-templates-for-cervical-screw-insertion
#18
Ting Deng, Minghui Jiang, Qing Lei, Lihong Cai, Li Chen
STUDY DESIGN: Clinical trial for cervical screw insertion by using individualized 3-dimensional (3D) printing screw insertion templates device. OBJECTIVE: The objective of this study is to evaluate the safety and accuracy of the individualized 3D printing screw insertion template in the cervical spine. MATERIALS AND METHODS: Ten patients who underwent posterior cervical fusion surgery with cervical pedicle screws, laminar screws or lateral mass screws between December 2014 and December 2015 were involved in this study...
December 2016: Computer Assisted Surgery (Abingdon, England)
https://www.readbyqxmd.com/read/27889111/minimally-invasive-fixation-in-tibial-plateau-fractures-using-an-pre-operative-and-intra-operative-real-size-3d-printing
#19
Silvio Giannetti, Nicola Bizzotto, Andrea Stancati, Attilio Santucci
The purpose of our study was to compare the outcome after minimally invasive reconstruction and internal fixation with and without the use of pre- and intra-operative real size 3D printing for patients with displaced tibial plateau fractures (TPFs). We prospectively followed up 40 consecutive adult patients with closed TPF who underwent surgical treatment of reconstruction of the tibial plateau with the use of minimally invasive fixation. Sixteen patients (group 1) were operated using a pre-operative and intra-operative real size 3D-model, while 24 patients (group 2) were operated without 3D-model printing, but using only pre-operative and intra-operative 3D Tc-scan images...
November 18, 2016: Injury
https://www.readbyqxmd.com/read/27857469/holding-versus-seeing-pathology-three-dimensional-printing-of-the-bony-pelvis-for-preoperative-planning-of-a-complex-pelvis-fracture-a-case-report
#20
Parang S Sanghavi, Bhavin G Jankharia
Pelvic injuries are not uncommon. The complex anatomy of the pelvic bones, the complex pattern of injuries, associated important structures such as neurovascular bundles, and difficult access make the reduction and fixation of these fractures difficult. Often the surgical outcomes are not satisfactory. Three-dimensional (3D) imaging using computed tomography (CT) scan (3DCT) has been the mainstay of preoperative evaluation since the 1980s, however, even with these images it may be difficult to understand complex injury patterns...
July 2016: Indian Journal of Radiology & Imaging
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