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3d printing urology

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https://www.readbyqxmd.com/read/29484220/3d-printing-in-urology-is-it-really-promising
#1
REVIEW
Berat Cem Özgür, Ali Ayyıldız
Three-dimensional (3D) printings are gaining a place in a variety of the medical sectors. With applications in urogenital diseases, 3D printing is a new tool that present difficulties at stages of imaging, planning, and carry out therapeutic interventions. In this review we tried to find answers to the questions that come to mind on this new topic by empasizing the suitable 3D printing models in urology, their clinical usage, and the limitations.
January 2018: Turkish Journal of Urology
https://www.readbyqxmd.com/read/29421300/development-and-validity-of-a-silicone-renal-tumor-model-for-robotic-partial-nephrectomy-training
#2
Steven M Monda, Jonathan R Weese, Barrett G Anderson, Joel M Vetter, Ramakrishna Venkatesh, Kefu Du, Gerald L Andriole, Robert S Figenshau
OBJECTIVE: To provide a training tool to address the technical challenges of robot-assisted laparoscopic partial nephrectomy, we created silicone renal tumor models using 3-dimensional printed molds of a patient's kidney with a mass. In this study, we assessed the face, content, and construct validity of these models. MATERIALS AND METHODS: Surgeons of different training levels completed 4 simulations on silicone renal tumor models. Participants were surveyed on the usefulness and realism of the model as a training tool...
April 2018: Urology
https://www.readbyqxmd.com/read/29405206/the-potential-of-3d-printing-in-urological-research-and-patient-care
#3
REVIEW
Marc Colaco, Daniel A Igel, Anthony Atala
3D printing is an evolving technology that enables the creation of unique organic and inorganic structures with high precision. In urology, the technology has demonstrated potential uses in both patient and clinician education as well as in clinical practice. The four major techniques used for 3D printing are inkjet printing, extrusion printing, laser sintering, and stereolithography. Each of these techniques can be applied to the production of models for education and surgical planning, prosthetic construction, and tissue bioengineering...
April 2018: Nature Reviews. Urology
https://www.readbyqxmd.com/read/29376589/-application-of-3d-soft-print-models-of-the-kidney-for-treatment-of-patients-with-localized-cancer-of-the-kidney-a-pilot-study
#4
Yu G Alyaev, E S Sirota, E A Bezrukov, D N Fiev, M D Bukatov, A V Letunovskii, I Sh Byadretdinov
AIM: To evaluate the possibility of using 3D-printing in the management of patients with localized kidney cancer. MATERIALS AND METHODS: The study comprised five patients with localized kidney cancer who were treated at the Urology Clinic of the I.M. Sechenov First Moscow State Medical University from January 2016 to April 2017. Along with the standard examination, the patients underwent multispiral computed tomography (MSCT) to produce patient-specific 3D-printed models of the kidney tumors using 3D modeling and 3D printing...
December 2017: Urologii︠a︡
https://www.readbyqxmd.com/read/29372352/three-dimensional-models-in-uro-oncology-a-future-built-with-additive-fabrication
#5
Todd G Manning, Jonathan S O'Brien, Daniel Christidis, Marlon Perera, Jasamine Coles-Black, Jason Chuen, Damien M Bolton, Nathan Lawrentschuk
PURPOSE: Three-dimensional (3D) printing was invented in 1983 but has only just begun to influence medicine and surgery. Conversion of digital images into physical models demonstrates promise to revolutionize multiple domains of surgery. In the field of uro-oncology, researchers and clinicians have recognized the potential of this technology and are working towards making it an integral part of urological practice. We review current literature regarding 3D printing and other 3D technology in the field of urology...
April 2018: World Journal of Urology
https://www.readbyqxmd.com/read/29127451/development-and-validation-of-3d-printed-virtual-models-for-robot-assisted-radical-prostatectomy-and-partial-nephrectomy-urologists-and-patients-perception
#6
Francesco Porpiglia, Riccardo Bertolo, Enrico Checcucci, Daniele Amparore, Riccardo Autorino, Prokar Dasgupta, Peter Wiklund, Ashutosh Tewari, Evangelos Liatsikos, Cristian Fiori
PURPOSE: To test the face and content validity of 3D virtual-rendered printed models used before robot-assisted prostate cancer and nephron-sparing surgery. METHODS: Patients who underwent live surgery during an international urological meeting organized in January 2017 were enrolled. Those with organ-confined prostate cancer underwent robot-assisted radical prostatectomy. Patients with a single renal tumor underwent minimally invasive nephron-sparing surgery. High-resolution (HR) imaging was obtained for all patients...
February 2018: World Journal of Urology
https://www.readbyqxmd.com/read/29048214/validation-of-a-full-immersion-simulation-platform-for-percutaneous-nephrolithotomy-using-three-dimensional-printing-technology
#7
Ahmed Ghazi, Timothy Campbell, Rachel Melnyk, Changyong Feng, Alex Andrusco, Jonathan Stone, Erdal Erturk
INTRODUCTION AND OBJECTIVES: The restriction of resident hours with an increasing focus on patient safety and a reduced caseload has impacted surgical training. A complex and complication prone procedure such as percutaneous nephrolithotomy (PCNL) with a steep learning curve may create an unsafe environment for hands-on resident training. In this study, we validate a high fidelity, inanimate PCNL model within a full-immersion simulation environment. METHODS: Anatomically correct models of the human pelvicaliceal system, kidney, and relevant adjacent structures were created using polyvinyl alcohol hydrogels and three-dimensional-printed injection molds...
December 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28952697/-application-of-3d-printing-in-urology
#8
REVIEW
Yu G Alyaev, E A Bezrukov, D N Fiev, E S Sirota, S V Pesegov, I Sh Byadretdinov
The purpose of this article is to outline the role and possible applications of 3D printing in urology. At present, this technique provides the opportunity to choose the individual strategy of patient management, to conduct preoperative planning and surgical rehearsal; for medical specialists to reduce the learning curve in mastering modern complex surgical techniques, and for doctors and students to improve understanding of pathological processes in the kidney and the prostate gland.
September 2017: Urologii︠a︡
https://www.readbyqxmd.com/read/28108975/3d-printed-soft-tissue-physical-models-of-renal-malignancies-for-individualized-surgical-simulation-a-feasibility-study
#9
Michael M Maddox, Allison Feibus, James Liu, Julie Wang, Raju Thomas, Jonathan L Silberstein
To construct patient-specific physical three-dimensional (3D) models of renal units with materials that approximates the properties of renal tissue to allow pre-operative and robotic training surgical simulation, 3D physical kidney models were created (3DSystems, Rock Hill, SC) using computerized tomography to segment structures of interest (parenchyma, vasculature, collection system, and tumor). Images were converted to a 3D surface mesh file for fabrication using a multi-jet 3D printer. A novel construction technique was employed to approximate normal renal tissue texture, printers selectively deposited photopolymer material forming the outer shell of the kidney, and subsequently, an agarose gel solution was injected into the inner cavity recreating the spongier renal parenchyma...
March 2018: Journal of Robotic Surgery
https://www.readbyqxmd.com/read/28062895/3d-printed-renal-cancer-models-derived-from-mri-data-application-in-pre-surgical-planning
#10
Nicole Wake, Temitope Rude, Stella K Kang, Michael D Stifelman, James F Borin, Daniel K Sodickson, William C Huang, Hersh Chandarana
OBJECTIVE: To determine whether patient-specific 3D printed renal tumor models change pre-operative planning decisions made by urological surgeons in preparation for complex renal mass surgical procedures. MATERIALS AND METHODS: From our ongoing IRB approved study on renal neoplasms, ten renal mass cases were retrospectively selected based on Nephrometry Score greater than 5 (range 6-10). A 3D post-contrast fat-suppressed gradient-echo T1-weighted sequence was used to generate 3D printed models...
May 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/27830490/soft-3d-printed-phantom-of-the-human-kidney-with-collecting-system
#11
Fabian Adams, Tian Qiu, Andrew Mark, Benjamin Fritz, Lena Kramer, Daniel Schlager, Ulrich Wetterauer, Arkadiusz Miernik, Peer Fischer
Organ models are used for planning and simulation of operations, developing new surgical instruments, and training purposes. There is a substantial demand for in vitro organ phantoms, especially in urological surgery. Animal models and existing simulator systems poorly mimic the detailed morphology and the physical properties of human organs. In this paper, we report a novel fabrication process to make a human kidney phantom with realistic anatomical structures and physical properties. The detailed anatomical structure was directly acquired from high resolution CT data sets of human cadaveric kidneys...
April 2017: Annals of Biomedical Engineering
https://www.readbyqxmd.com/read/27617641/simulation-for-percutaneous-renal-access-where-are-we
#12
REVIEW
Yasser A Noureldin, Sero Andonian
OBJECTIVES: Percutaneous renal access (PCA) is a challenging step during percutaneous nephrolithotomy. The aim of this study is to review the literature for different types of simulators described for PCA. METHODS: Databases of Medline, Embase, Cochrane Library, OvidSP, and Google Scholar were systematically searched until May 2016. The studies were analyzed regarding the type of simulator (nonbiologic, biologic, live animal, and virtual reality [VR]), type of validity (face, content, construct, and predictive), cost-effectiveness, and whether these simulators have been used for training and/or assessment of PCA...
April 2017: Journal of Endourology
https://www.readbyqxmd.com/read/26983650/application-of-anatomically-accurate-patient-specific-3d-printed-models-from-mri-data-in-urological-oncology
#13
N Wake, H Chandarana, W C Huang, S S Taneja, A B Rosenkrantz
No abstract text is available yet for this article.
June 2016: Clinical Radiology
https://www.readbyqxmd.com/read/26737875/3d-vs-2d-laparoscopic-systems-development-of-a-performance-quantitative-validation-model
#14
COMPARATIVE STUDY
Andrea Ghedi, Erica Donarini, Roberta Lamera, Giovanni Sgroi, Luca Turati, Cesare Ercole
BACKGROUND: The new technology ensures 3D laparoscopic vision by adding depth to the traditional two dimensions. This realistic vision gives the surgeon the feeling of operating in real space. Hospital of Treviglio-Caravaggio isn't an university or scientific institution; in 2014 a new 3D laparoscopic technology was acquired therefore it led to evaluation of the of the appropriateness in term of patient outcome and safety. The project aims at achieving the development of a quantitative validation model that would ensure low cost and a reliable measure of the performance of 3D technology versus 2D mode...
2015: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/26028997/3d-printing-and-its-urologic-applications
#15
Youssef Soliman, Allison H Feibus, Neil Baum
3D printing is the development of 3D objects via an additive process in which successive layers of material are applied under computer control. This article discusses 3D printing, with an emphasis on its historical context and its potential use in the field of urology.
2015: Reviews in Urology
https://www.readbyqxmd.com/read/26010346/applications-of-three-dimensional-printing-technology-in-urological-practice
#16
REVIEW
Ramy F Youssef, Kyle Spradling, Renai Yoon, Benjamin Dolan, Joshua Chamberlin, Zhamshid Okhunov, Ralph Clayman, Jaime Landman
A rapid expansion in the medical applications of three-dimensional (3D)-printing technology has been seen in recent years. This technology is capable of manufacturing low-cost and customisable surgical devices, 3D models for use in preoperative planning and surgical education, and fabricated biomaterials. While several studies have suggested 3D printers may be a useful and cost-effective tool in urological practice, few studies are available that clearly demonstrate the clinical benefit of 3D-printed materials...
November 2015: BJU International
https://www.readbyqxmd.com/read/24776857/use-of-3-dimensional-printing-technology-and-silicone-modeling-in-surgical-simulation-development-and-face-validation-in-pediatric-laparoscopic-pyeloplasty
#17
Carling L Cheung, Thomas Looi, Thomas S Lendvay, James M Drake, Walid A Farhat
OBJECTIVES: Pediatric laparoscopy poses unique training challenges owing to smaller workspaces, finer sutures used, and potentially more delicate tissues that require increased surgical dexterity when compared with adult analogs. We describe the development and face validation of a pediatric pyeloplasty simulator using a low-cost laparoscopic dry-laboratory model developed with 3-dimensional (3D) printing and silicone modeling. DESIGN AND SETTING: The organs (the kidney, renal pelvis, and ureter) were created in a 3-step process where molds were created with 3D modeling software, printed with a Spectrum Z510 3D printer, and cast with Dragon Skin 30 silicone rubber...
September 2014: Journal of Surgical Education
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