Annals of 3D printed medicine最新文献

{"title":"Beyond shoulder arthroplasty: Applications of 3D printed patient-specific instrumentation in shoulder and elbow procedures – a systematic review","authors":"Vitor La Banca ,&nbsp;Thiago Martins Trece Costa ,&nbsp;Ana Victoria Palagi Vigano ,&nbsp;Luiz Giglio ,&nbsp;Guilherme Henrique Vieira Lima ,&nbsp;Joel Murachovsky ,&nbsp;Roberto Yukio Ikemoto","doi":"10.1016/j.stlm.2024.100160","DOIUrl":"https://doi.org/10.1016/j.stlm.2024.100160","url":null,"abstract":"<div><h3>Purpose</h3><p>Advancements in 3D printing technology have led to a growing interest on its application in orthopedic surgery. In the context of shoulder and elbow surgery, studies on 3D printing mostly center on surgical guides for the placement of the glenoid component in shoulder arthroplasty, but applications in non-arthroplasty procedures remain unclear. This systematic review aims to evaluate and summarize the literature on the current applications and clinical outcomes of 3D Patient-Specific Instruments (3DPSI) in non-arthroplasty procedures. We expected to find a predominant focus on corrective osteotomies with positive clinical outcomes and minimal complications.</p></div><div><h3>Methods</h3><p>This systematic review adhered to PRISMA guidelines. Eligibility criteria included original research studies presenting primary data on 3DPSI for shoulder and elbow procedures. Exclusions were applied to studies exclusively reporting clinical data on 3DPSI for glenoid component placement in shoulder arthroplasty. A comprehensive literature search was conducted in PubMed/MEDLINE, Scopus, MedNar, Google Scholar, OAIster, and ProQuest Dissertations &amp; Theses. Extracted data included study characteristics, 3DPSI development details, and clinical outcomes. Risk of bias was assessed using MINORS criteria.</p></div><div><h3>Results</h3><p>Out of 845 initially identified records, the final analysis included 20 studies. Regarding the application of 3DPSI, 35 % of the reports addressed cubitus varus osteotomy correction, 30 % focused on clavicle malunion or nonunion, and 15 % centered on corrective osteotomies for proximal humerus malunion. Risk of bias assessment using MINORS criteria demonstrated a mean score of 9.11 out of 16 for studies without a comparator group. Results across different pathologies revealed high patient-reported outcomes (PROs), good patient satisfaction, and minimal complications, which are presented.</p></div><div><h3>Conclusion</h3><p>In non-arthroplasty shoulder and elbow procedures, 3D Printed Patient-Specific Instrumentation have been mostly used for corrective osteotomies and demonstrates overall positive outcomes, low complications, and high patient satisfaction. Advancement in existing knowledge requires robust studies with larger cohorts and comparator groups.</p></div><div><h3>Level of Evidence</h3><p>Level IV.</p></div><div><h3>Clinical Relevance</h3><p>This study, summarizing existing data on 3D Patient-Specific Instruments (3DPSI) in non-arthroplasty shoulder and elbow procedures, offers guidance for future applications and research in this evolving field of orthopedic surgery.</p></div>","PeriodicalId":72210,"journal":{"name":"Annals of 3D printed medicine","volume":"15 ","pages":"Article 100160"},"PeriodicalIF":0.0,"publicationDate":"2024-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2666964124000195/pdfft?md5=95d06d1926fba5d28e3077e41ecb1853&pid=1-s2.0-S2666964124000195-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141479957","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Electrospun and 3D printed scaffolds based on biocompatible polymers for 3D cultivation of glioblastoma cells in vitro","authors":"R.A. Akasov ,&nbsp;E.M. Trifanova ,&nbsp;M.A. Khvorostina ,&nbsp;A.V. Sochilina ,&nbsp;S.A. Pavlova ,&nbsp;A.I. Alekseeva ,&nbsp;G.V. Pavlova ,&nbsp;E.V. Khaydukov ,&nbsp;V.K. Popov","doi":"10.1016/j.stlm.2024.100161","DOIUrl":"https://doi.org/10.1016/j.stlm.2024.100161","url":null,"abstract":"<div><p>Additive manufacturing techniques capable of fabricating biocompatible scaffolds with a given submicron/micron/supramicron structure are of growing interest for biomedical applications, including tissue engineering and tumor biology studies. Here, we propose antisolvent 3D printing and electrospinning techniques to obtain biopolymer scaffolds with different structural, mechanical, and surface properties to compare the cultivation patterns of glioblastoma cells. We found that human G01 cells, derived from human glioblastoma tumor tissue, were able to colonize the scaffolds in a time-dependent manner; the cells showed high viability as confirmed by colorimetric MTT assay, confocal fluorescence microscopy, and scanning electron microscopy data. Electrospun collagen scaffolds (low porosity, thin 2.75±0.22 μm fibers, low Young's modulus 0.076±0.033 MPa) provided monolayer-like growth of G01 glioblastoma cells with dense cell-cell contacts, while 3D-printed PLGA scaffolds (high porosity, thick ∼150 µm fibers, high Young's modulus 18±2 MPa) stimulated glioblastoma-specific spindle-like morphology. All scaffolds were non-toxic to cells and maintained cell growth for at least 2 weeks. The developed scaffolds could be further used for tumor research as a 3D model of glioblastoma <em>in vitro</em> or for tissue engineering of brain injury.</p></div>","PeriodicalId":72210,"journal":{"name":"Annals of 3D printed medicine","volume":"15 ","pages":"Article 100161"},"PeriodicalIF":0.0,"publicationDate":"2024-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2666964124000201/pdfft?md5=3296f0224a6061ad5aa5aced0dade772&pid=1-s2.0-S2666964124000201-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141479954","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"3D printed CoCrMo personalised load-bearing meta-scaffold for critical size tibial reconstruction","authors":"Chameekara T. Wanniarachchi ,&nbsp;Arun Arjunan ,&nbsp;Ahmad Baroutaji ,&nbsp;Manpreet Singh ,&nbsp;John Robinson ,&nbsp;Aaron Vance ,&nbsp;Martin Appiah ,&nbsp;Abul Arafat","doi":"10.1016/j.stlm.2024.100163","DOIUrl":"https://doi.org/10.1016/j.stlm.2024.100163","url":null,"abstract":"<div><p>Porous scaffolds have evolved, allowing personalised 3D-printed structures that can improve tissue reconstruction. By using scaffolds with specific porosity, Poisson's ratio and stiffness, load-bearing tissues such as tibial reconstruction can be improved. Recent studies suggest the potential for negative Poisson's ratio (<span><math><mrow><mo>−</mo><mi>υ</mi></mrow></math></span>) meta-scaffolds in mimicking the behaviour of natural tissue, leading to improved healing and tissue reintegration. This study reveals a porous meta-scaffold that offers high <span><math><mrow><mo>−</mo><mi>υ</mi></mrow></math></span> and can be personalised to match desired stiffness. By using laser powder bed fusion (L-PBF) of CoCrMo, a porous structure was created, characterised by its ability to achieve heightened <span><math><mrow><mo>−</mo><mi>υ</mi></mrow></math></span>. Prototype testing and numerical modelling unveiled a proxy-model capable of predicting and personalising the porosity, yield strength, elastic modulus, and <span><math><mrow><mo>−</mo><mi>υ</mi></mrow></math></span> of the tibial meta-scaffold representing a novel contribution to the field. The surrogate model also aids characterising the impact of design variables such as of the scaffold on the key performance requirements of the tibial scaffold. This approach enables the fabrication of porous biomaterials with personalised properties, specifically suited for load-bearing tibial reconstruction. The resulting meta-scaffold offers <span><math><mrow><mo>−</mo><mi>υ</mi></mrow></math></span> ranging from -0.16 to -0.38, porosity between 73.46% and 85.36%, yield strength of 30–80 MPa, and elastic modulus ranging from 8.6 to 22.6 GPa. The optimised architecture feature <span><math><mrow><mo>−</mo><mi>υ</mi></mrow></math></span> of 0.223 and a targeted elastic modulus of 17.53 GPa, while also showcasing yield strength and porosity of 57.2 MPa and 76.35%, respectively. By combining 3D printing with tailored scaffolds, this study opens doors to mass customisation of improved load-bearing porous biomaterials that of negative Poisson's ratio and stiffness matching.</p></div>","PeriodicalId":72210,"journal":{"name":"Annals of 3D printed medicine","volume":"15 ","pages":"Article 100163"},"PeriodicalIF":0.0,"publicationDate":"2024-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2666964124000225/pdfft?md5=0db523692e0d3d3e80c1348bcaa1845e&pid=1-s2.0-S2666964124000225-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141479955","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"3D-printed tool for creating standardized burn wounds in ex vivo skin tissues","authors":"Mojtaba Javid ,&nbsp;Fahimeh Tabatabaei","doi":"10.1016/j.stlm.2024.100162","DOIUrl":"https://doi.org/10.1016/j.stlm.2024.100162","url":null,"abstract":"<div><h3>Introduction</h3><p>The development of biomaterials and medical devices for burn wound treatment necessitates thorough investigation through <em>in vitro</em>/<em>ex vivo</em> models before transitioning to animal studies. Establishing a standardized and high-throughput burn wound model in <em>ex vivo</em> skin presents a considerable challenge. Our objective was to address this challenge by developing a practical and cost-effective 3D-printed burn wound tool capable of uniformly inducing burns in 12 skin samples simultaneously.</p></div><div><h3>Material and methods</h3><p>Utilizing Autodesk Inventor software, we designed a 3D model comprising a plate-base component (PBC) and a rod-base component (RBC). The design was exported as a Standard Triangulation Language (STL) file, processed through \"Slicer\" software to generate a G-code file tailored for 3D printing.</p></div><div><h3>Results</h3><p>The Rod-Base component underwent iterative design modifications to optimize weight, airflow, and material consumption, resulting in a final design featuring a unique star shape for enhanced airflow. Simultaneously, the Plate-Base component design evolved to enable easy and secure plate placement, demonstrating compatibility with 12-well plates. The average production time for the model was 14.5 h, with a production cost of approximately $20 (USD), covering printing material and steel rods.</p></div><div><h3>Conclusion</h3><p>In conclusion, this study provides valuable insights into the required equipment and software, empowering researchers to efficiently produce their accurate and cost-effective 3D-printed tool for controlled and reproducible burn wound creation in <em>ex vivo</em> viable skin tissues.</p></div>","PeriodicalId":72210,"journal":{"name":"Annals of 3D printed medicine","volume":"15 ","pages":"Article 100162"},"PeriodicalIF":0.0,"publicationDate":"2024-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2666964124000213/pdfft?md5=e71eed3aa4ee9a7458a50e76f357507f&pid=1-s2.0-S2666964124000213-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141479956","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A comprehensive review on hydrogel-based bio-ink development for tissue engineering scaffolds using 3D printing","authors":"Debashish Gogoi ,&nbsp;Manjesh Kumar ,&nbsp;Jasvinder Singh","doi":"10.1016/j.stlm.2024.100159","DOIUrl":"https://doi.org/10.1016/j.stlm.2024.100159","url":null,"abstract":"<div><p>Three-dimensional (3D) bioprinting technology allows the production of porous structures with complex and varied geometries, which facilitates the development of equally dispersed cells and the orderly release of signal components. This is in contrast to the traditional methods used to produce tissue scaffolding. To date, 3D bioprinting has employed a range of cell-laden materials, including organic and synthetic polymers, to construct scaffolding systems and manufacture extracellular matrix (ECM). Still, there are several challenges in meeting the technical issues in bio-ink formulations, such as the printability of bio-inks, the customization of mechanical and biological properties in bio-implants, the guidance of cell activities in biomaterials, etc. The main objective of this article is to discuss the various strategies for preparing bio-inks to mimic native tissue's extracellular matrix environment. A discussion has also been conducted about the process parameters of bio-ink formulations and printing, structure requirements, and fabrication methods of durable bio-scaffolds. The present study also reviews various 3D-printing techniques. Conclusively, the challenges and potential paths for smart bioink/scaffolds have been outlined for tissue regeneration.</p></div>","PeriodicalId":72210,"journal":{"name":"Annals of 3D printed medicine","volume":"15 ","pages":"Article 100159"},"PeriodicalIF":0.0,"publicationDate":"2024-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2666964124000183/pdfft?md5=71dadac6d5910ad1392a23a9d6c7215f&pid=1-s2.0-S2666964124000183-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141479958","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"3-Dimensional printing for training in emergency medicine","authors":"Getaw Worku Hassen ,&nbsp;Jason Hill ,&nbsp;Evan Yates ,&nbsp;Anisha Duvvi ,&nbsp;Roger Chirurgi ,&nbsp;Mohammad Ganji ,&nbsp;Jaspreet Singh ,&nbsp;Ceilim Kim ,&nbsp;Misagh Fasazadeh ,&nbsp;Selome F. Yewedalsew ,&nbsp;Shterna Seligson ,&nbsp;Hossein Kalantari","doi":"10.1016/j.stlm.2024.100158","DOIUrl":"https://doi.org/10.1016/j.stlm.2024.100158","url":null,"abstract":"","PeriodicalId":72210,"journal":{"name":"Annals of 3D printed medicine","volume":"15 ","pages":"Article 100158"},"PeriodicalIF":0.0,"publicationDate":"2024-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2666964124000171/pdfft?md5=1b65ad5f5d681214ac3b734ff20264a2&pid=1-s2.0-S2666964124000171-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141303289","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"3D printed training simulator for transcatheter edge-to-edge repair of the tricuspid valve: A proof-of-concept","authors":"Michele Bertolini ,&nbsp;Luca Carlini ,&nbsp;Ludovica Clementini ,&nbsp;Martina Dall'Aglio ,&nbsp;Giorgio Colombo ,&nbsp;Claudio Capelli","doi":"10.1016/j.stlm.2024.100157","DOIUrl":"https://doi.org/10.1016/j.stlm.2024.100157","url":null,"abstract":"<div><h3>Background</h3><p>Tricuspid regurgitation (TR) treatments have gradually shifted toward a more interventional approach and transcatheter edge-to-edge repair (TEER) has assumed a first-order role. TriClip™ by Abbott (Menlo Park, USA) is one of the most widely used devices for tricuspid repair. TEER procedures are recognised as technically challenging, characterized by a steep learning curve. For this reason, specialized training is necessary. The aim of this work is to develop and test a novel 3D printed training simulator, which considers both anatomical and mechanical characteristics, specifically designed for this kind of procedure.</p></div><div><h3>Methods</h3><p>Starting from routinely acquired computed tomography (CT) images, a 3D digital model of the heart was reconstructed. This was then properly “augmented”, so that it could realistically reproduce the key features involved in the procedure. The simulator was manufactured exploiting the Polyjet 3D printed. Proper materials selection was performed to accurately reproduce mechanical properties. The manufactured prototype was then tested by a specialized professional, with the TriClip™ system.</p></div><div><h3>Results</h3><p>The simulator was assessed to practice access, navigation, catheter steering and leaflet grasping. Throughout the process, appropriately placed cameras ensured that the operators could visualize the crucial steps on a screen. Even if a deeper evaluation is needed, preliminary feedback is satisfactory.</p></div><div><h3>Conclusions</h3><p>In this study, a new training simulator for TriClip™ procedure was designed, produced, and preliminary assessed. Further studies will have to demonstrate the advantages of using this simulator design to shorten the learning curve and subsequently lead to better clinical outcomes.</p></div>","PeriodicalId":72210,"journal":{"name":"Annals of 3D printed medicine","volume":"15 ","pages":"Article 100157"},"PeriodicalIF":0.0,"publicationDate":"2024-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S266696412400016X/pdfft?md5=3cf2a06a694469b1e96d97c5152312b3&pid=1-s2.0-S266696412400016X-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141243745","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A hybrid 3D-printed model for lateral canthotomy simulation","authors":"Getaw Worku Hassen ,&nbsp;Anisha Duvvi ,&nbsp;Evan Yates ,&nbsp;Yitzchak Goldsmith ,&nbsp;Mohammed Ganji ,&nbsp;Gregory McWhir ,&nbsp;Jaspreet Singh ,&nbsp;Ceilim Kim ,&nbsp;Getnet Tolera ,&nbsp;Sonja Jauhal ,&nbsp;Selome F. Yewedalsew ,&nbsp;Mauricio Gonzalez Aries ,&nbsp;Shterni Seligson ,&nbsp;Hossein Kalantari","doi":"10.1016/j.stlm.2024.100153","DOIUrl":"https://doi.org/10.1016/j.stlm.2024.100153","url":null,"abstract":"<div><h3>Background</h3><p>Compartment syndrome is a medical emergency. It should be diagnosed promptly, and therapeutic measures should be taken to avoid limb ischemia. Measurement of compartment pressure is extremely important.</p></div><div><h3>Model</h3><p>Knowledge about compartments and familiarity with the pressure monitoring device are important to diagnose acute compartment syndrome properly. Simulations provide an opportunity to learn the device and practice the procedure. Given their lower cost and the possibility of frequent reproduction, simulations using 3D-printed material are gaining popularity. We propose a simple low-fidelity model using a silicone-based lower leg soft tissue, 3D-printed tibia and fibula, Foley catheter, and syringes.</p></div><div><h3>Conclusion</h3><p>This low-fidelity simulator helps to improve procedural skills and retention through repeated practice.</p></div>","PeriodicalId":72210,"journal":{"name":"Annals of 3D printed medicine","volume":"14 ","pages":"Article 100153"},"PeriodicalIF":0.0,"publicationDate":"2024-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2666964124000122/pdfft?md5=42ea00b93663d3bebbb3402c293df727&pid=1-s2.0-S2666964124000122-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140346966","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Biomechanical comparison of traditional plaster cast and 3D-printed orthosis for external coaptation of distal radius fractures","authors":"Marcelo P. D'Amado,&nbsp;João Bourbon de Albuquerque II,&nbsp;Will Bezold,&nbsp;Brett D. Crist,&nbsp;James L. Cook","doi":"10.1016/j.stlm.2024.100146","DOIUrl":"10.1016/j.stlm.2024.100146","url":null,"abstract":"<div><h3>Introduction</h3><p>Distal radius fractures make up around 20% of adult fractures, varying in type and severity, thus requiring different treatments. Cast immobilization is effective in indicated fractures, but is associated with several disadvantages such that 3D-printed orthoses (3D-Braces) have been introduced as a potentially advantageous alternative. The present study was designed to test the hypothesis that short-arm 3D-printed Polylactic Acid (PLA) orthoses would provide superior biomechanical properties when compared to plaster of Paris short-arm casts for immobilization of distal radial fractures.</p></div><div><h3>Methods</h3><p>Modified mannequin forearms were utilized as human models for the creation of both the circular casts and the 3D Braces. A total of five plaster cast prototypes were produced, based on a standard cylindrical plaster cast application technique used in the treatment of distal radius fractures, and another five samples were 3D printed braces. Each sample was then subjected to a three-point bend load test, using an Instron 68SC2 testing machine, and the data was collected and exported to an Excel spreadsheet and analyzed using SPSS Statistics version 26 (IBM Corp., Armonk, N.Y., USA).</p></div><div><h3>Results</h3><p>The 3D-Braces can withstand significantly higher forces at yield and maximum force, implying they may offer superior mechanical stability. Moreover, our findings indicated a higher strain at yield for the 3D-Braces compared to conventional plaster casts.</p></div><div><h3>Conclusions</h3><p>3D-printed Polylactic Acid short-arm orthoses demonstrated superior biomechanical properties when compared to plaster of Paris short-arm casts designed for immobilization of distal radial fractures. Taken together with data from previous studies, preclinical evidence suggests that PLA 3D-Braces can effectively maintain distal radius fracture alignment and stability with potential advantages over traditional casts with respect to biomechanical properties as well as post-fabrication adjustment, patient hygiene, comfort, and daily activities.</p></div>","PeriodicalId":72210,"journal":{"name":"Annals of 3D printed medicine","volume":"14 ","pages":"Article 100146"},"PeriodicalIF":0.0,"publicationDate":"2024-02-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2666964124000055/pdfft?md5=8a390b6bdf9988a12c7fab951f4c4e67&pid=1-s2.0-S2666964124000055-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139820475","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A hybrid 3D-printed model for lateral canthotomy simulation","authors":"Anisha Duvvi,&nbsp;Evan Yates,&nbsp;Shterna Seligson,&nbsp;Jaspreet Singh,&nbsp;Cei Lim Kim,&nbsp;Lara Musser,&nbsp;Gregory McWhir,&nbsp;Getnet Tolera,&nbsp;Sonja Jauhal,&nbsp;Mauricio Gonzalez Arias,&nbsp;Hossein Kalantari,&nbsp;Roger Chirurgi,&nbsp;Getaw Worku Hassen","doi":"10.1016/j.stlm.2024.100150","DOIUrl":"https://doi.org/10.1016/j.stlm.2024.100150","url":null,"abstract":"<div><h3>Background</h3><p>Ocular injuries are common complaints in the emergency department (ED). In certain instances, a hematoma builds up behind the eyeball and can lead to increased intraocular pressure (IOP), restricting circulation and threatening vision. A lateral canthotomy can be vision-saving if performed appropriately and quickly. Unfortunately, not every physician in the ED is familiar with the procedure.</p></div><div><h3>Objective</h3><p>Our objective was to build a hybrid 3D-printed model to simulate lateral canthotomy, hence improving physicians’ skills in performing the procedure.</p></div><div><h3>Method</h3><p>Using a MakerBot 3D printer, a hemi-cranium and a sphere imitating the eyeball were printed. The model is supplemented with silicon skin and other materials. A hematoma is created using chocolate pudding. We present a low-fidelity, long-lasting hybrid model for lateral canthotomies. This model simulates the pathology, anatomy, and basic technical steps required to perform the procedure.</p></div><div><h3>Conclusion</h3><p>This low-fidelity simulator helps to improve procedural skills and retention through repeated practice.</p></div>","PeriodicalId":72210,"journal":{"name":"Annals of 3D printed medicine","volume":"14 ","pages":"Article 100150"},"PeriodicalIF":0.0,"publicationDate":"2024-02-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2666964124000092/pdfft?md5=e95f7a52e25984d83e6330279347b6ba&pid=1-s2.0-S2666964124000092-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139738069","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}