scholarly journals MP80-13 ANATOMICAL ACCURACY OF 3D PRINTED PATIENT-SPECIFIC KIDNEY MODELS USED FOR ROBOT-ASSISTED-PARTIAL NEPHRECTOMY PRE-OPERATIVE PLANNING (UROCCR STUDY N° 39: 3D-PRINT)

2019 ◽  
Vol 201 (Supplement 4) ◽  
Author(s):  
Clement Michiels* ◽  
Eva Jambon ◽  
Joffrey Sarrazin ◽  
Chrystelle Latxague ◽  
Astrid Boulenger de Hauteclocque ◽  
...  
2018 ◽  
Vol 199 (4S) ◽  
Author(s):  
Francesco Porpiglia ◽  
Riccardo Bertolo ◽  
Daniele Amparore ◽  
Enrico Checcucci ◽  
Matteo Manfredi ◽  
...  

2021 ◽  
Vol 8 ◽  
Author(s):  
Michael Jiang ◽  
Jasamine Coles-Black ◽  
Gordon Chen ◽  
Matthew Alexander ◽  
Jason Chuen ◽  
...  

Introduction: Surgical planning for complex total hip arthroplasty (THA) often presents a challenge. Definitive plans can be difficult to decide upon, requiring unnecessary equipment to be ordered and a long theatre list booked. We present a pilot study utilising patient-specific 3D printed models as a method of streamlining the pre-operative planning process.Methods: Complex patients presenting for THA were referred to the research team. Patient-specific 3D models were created from routine Computed Tomography (CT) imaging. Simulated surgery was performed to guide prosthesis selection, sizing and the surgical plan.Results: Seven patients were referred for this pilot study, presenting with complex conditions with atypical anatomy. Surgical plans provided by the 3D models were more detailed and accurate when compared to 2D CT and X ray imaging. Streamlined equipment selection was of great benefit, with augments avoided post simulation in three cases. The ability to tackle complex surgical problems outside of the operating theatre also flagged potential complications, while also providing teaching opportunities in a low risk environment.Conclusion: This study demonstrated that 3D printed models can improve the surgical plan and streamline operative logistics. Further studies investigating the optimal 3D printing material and workflow, along with cost-benefit analyses are required before this process is ready for routine use.


2018 ◽  
Vol 127 (5) ◽  
pp. 338-343 ◽  
Author(s):  
Max Haffner ◽  
Austin Quinn ◽  
Tsung-yen Hsieh ◽  
E. Bradley Strong ◽  
Toby Steele

Objective: Identify the 3D printed material that most accurately recreates the visual, tactile, and kinesthetic properties of human temporal bone Subjects and Methods: Fifteen study participants with an average of 3.6 years of postgraduate training and 56.5 temporal bone (TB) procedures participated. Each participant performed a mastoidectomy on human cadaveric TB and five 3D printed TBs of different materials. After drilling each unique material, participants completed surveys to assess each model’s appearance and physical likeness on a Likert scale from 0 to 10 (0 = poorly representative, 10 = completely life-like). The 3D models were acquired by computed tomography (CT) imaging and segmented using 3D Slicer software. Results: Polyethylene terephthalate (PETG) had the highest average survey response for haptic feedback (HF) and appearance, scoring 8.3 (SD = 1.7) and 7.6 (SD = 1.5), respectively. The remaining plastics scored as follows for HF and appearance: polylactic acid (PLA) averaged 7.4 and 7.6, acrylonitrile butadiene styrene (ABS) 7.1 and 7.2, polycarbonate (PC) 7.4 and 3.9, and nylon 5.6 and 6.7. Conclusion: A PETG 3D printed temporal bone models performed the best for realistic appearance and HF as compared with PLA, ABS, PC, and nylon. The PLA and ABS were reliable alternatives that also performed well with both measures.


Author(s):  
Jose Bañez ◽  
Stéphane Caro ◽  
Steven Schwaitzberg ◽  
Jean-Marc Classe ◽  
Caroline G. L. Cao

Robot-assisted laparoscopic surgery is gaining popularity because it has been shown to improve accuracy, reduce errors, and assists surgeons in performing more difficult procedures. However, positioning the ports and posing the robot arms to be able to perform the intervention while avoiding tool or arm collisions can be a lengthy and difficult process. The aim of this project was to design a decision aid for patient-specific, optimal port placement in pre-operative planning. This paper presents the analysis and design methods, including the building of separate patient and robot models. Based on a requirements analysis, a symbolic model of the robot was created based on the da Vinci Si Surgical System using the modified Denavit-Hartenberg (DH) parameters to define its work volume. Data from anthropometric tables and patients undergoing laparoscopic procedures were collected to create a library of realistic patient models. These two models, combined in a 3D interactive virtual environment, allow selection of suitable port locations, and a pose and position plan for the robotic arms with unrestricted access to the target area while avoiding collisions between instruments and other objects in the operating room. A simple and elegant protocol was then designed to collect actual patient data for validation of the models. Once validated, this model can be used for any robotic procedure within the abdomen.


2018 ◽  
Vol 17 (2) ◽  
pp. e1672
Author(s):  
F. Porpiglia ◽  
R. Bertolo ◽  
M. Manfredi ◽  
F. Mele ◽  
D. Amparore ◽  
...  

2016 ◽  
Vol 38 (4) ◽  
pp. 24-27 ◽  
Author(s):  
Anthony Atala ◽  
Karen Richardson

From engineering and manufacturing to art and education, 3D printing is helping to drive innovation in many different fields. Medicine is no exception. The technology is being used to print prosthetic limbs and to fabricate patient-specific models of body parts for surgeons to use as guides during reconstructive surgery. A 3D printed titanium jawbone has been implanted in a patient, as has a tailormade, bioresorbable tracheal splint that saved a baby's life.


Sign in / Sign up

Export Citation Format

Share Document