The RAPID 2013 Conference & Exposition Directory - Society of ...

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ConferenCe Details patients are extremely active and desire to take part in numerous complex activities such as kayaking, skiing, scuba diving, etc. Prosthetics can accommodate, design, and manufacture numerous devices with standard materials and limb assemblies currently on the market to address these needs; however, some specialty attachments need to be custom designed and manufactured. Additive manufacturing is the most flexible and applicable solution to aid in these limited quantity production needs. Custom attachments are currently being manufactured at the 3D Medical Applications Center, WRNMMCB, for a multitude of functions such as “Shorty Feet” and “Mechanics Feet,” that allow a bilateral amputee to walk and maneuver under cars without attaching their full prosthetic; a “Pilot Foot” to help an amputee continue to pilot a plane; a “Hockey Hand” to allow a wounded warrior to play hockey with both hands on the stick; and a “Gun Holder” to allow an amputee to hold and fire a handgun. 2–2:25 pm Design and Fabrication of a Variable Impedance Prosthetic Socket Through Multimaterial 3D Printing Techniques David M. Sengeh, MS, Graduate Student, MIT Media Lab Today, nearly 100% of amputees report some form of discomfort in their prosthetic sockets. Our session will highlight work done in the design and manufacture of a multimaterial 3D-printed prosthetic socket by the Biomechatronics Group at MIT Media Lab and Stratasys. Custom-fitted prosthetic sockets designed with variable impedance determined by the underlying anatomy at each node within the prosthetic socket have been manufactured and used in lab settings. Our prototypes, which combine conventional manufacturing processes and 3D printing, have been used outside the lab in a recent investigation. The combination of both CAD/ CAM and conventional materials and processes gives us the best of both worlds: structural integrity and variable impedance to increase the comfort level of amputees. 2:30–2:55 pm Guided Decision Making in Aortic Aneurysms Using Patient Specific 3D Reconstructions and Printed Models: A Case Study Todd Pietila, B.SC., Application Engineer, Materialise USA Objective: We demonstrate a case of a complex aortic dissection operated 11 years ago, presented recently with a fast growing aneurysm in the distal arch and descending aorta. Closure was tried unsuccessfully with a small occluder. The case was further investigated with a novel method of 3D reconstruction and additive manufacturing. The objective of this study was to evaluate if the patient-specific 3D reconstruction and 3D-printed model provides information on the failure of the first intervention, and reveals other options for treatment. Conclusions: This novel approach of 3D reconstruction as well as 3D printing convincingly showed the failure of the first occluder position to resolve the problem. It revealed other reentries into the false lumen which were not visible on the normal CT scan. Therefore, we conclude that 3D reconstruction as well as 3D printing can help in planning and follow-up in such complex surgical/interventional cases. 3–3:25 pm 3D Printing Advances Patient-Specific Biomedical Engineering Modeling and Experimentation William W. Dahl, Vice President, Marketing and Communications, Solidscape, Inc. David H. Frakes, PhD, Assistant Professor, Arizona State University, School of Biological and Health Systems Engineering John Wigand, MME, Vice President of Product Development & Strategy, Solidscape, Inc. Cerebral aneurysms affect 1 in 50 people and cause nearly 20,000 deaths in the United States every year. With endovascular treatments as the standard of care for cerebral aneurysms, anatomically correct, transparent aneurysm models for fluid dynamic experiments are needed in improving device design and flow knowledge. While direct-from-RP approaches to transparent modeling have come a long way, they are currently not wellsuited for accurate fluid dynamic experimentation. We present a wax-based RP and lost-core methodology as an alternative that is cost-and-time-effective in creating transparent, scale aneurysm 36 sme.org/rapid
models from actual patient anatomy. The models are created with an interdisciplinary approach that repurposes traditional and modern modeling techniques (e.g. lost wax castings from 3D-printed models). Wax RP, now accurate within 10 microns, is used to create the model core, which is then translated into a metal core via casting. The polished metal core is embedded into an optically clear urethane block and the metal is subsequently evacuated. In addition to flow models for experiments, providing a surgeon with a to-scale and highly accurate representation of patient-specific anatomy may lead to better-informed surgical decisions. This interdisciplinary modeling leverages the latest wax-RP technology to create accurate, scale vascular models in a cost- and-time-effective manner. 3:30–3:55 pm Streamlining the Biomodeling and Biomedical Design and Development Processes Arif Sirinterlikci, PhD, Professor of Engineering/Interim Head, Robert Morris University can be used to guide tissue regeneration. We have previously demonstrated the use of a commercial continuous Digital Light Processing (cDLP) device to prepare bone tissue engineering implants from poly(propylene fumarate) (PPF) using one dye, titanium dioxide, and one photo crosslinking initiator, Bis(2,4,6- trimethylbenzoyl)-phenylphosphineoxide (BAPO), with accuracy in the tens of microns. Higher resolution 3D printing of these implants could be used to improve control over pore geometry and implant resorption. We have recently determined that the resolution of cDLP-rendered PPF implants can be increased through the use of two dyes, titanium dioxide and oxybenzone (2-Hydroxy-4-methoxybenzophenone), along with BAPO. It appears that titanium dioxide alone acts to scatter, and therefore block, incoming light. This controls resolution in the “Z” direction. Oxybenzone appears to absorb, and therefore block, the scattering of light laterally, thereby controlling resolution in the “X” and “Y” directions. These two dyes also appear to allow delivery of more light energy, resulting in fuller crosslinking and improved post-fabrication handling of this soft implant material. The main objective of this study is to present case studies which are being utilized in streamlining the biomodeling and consequent prosthetics design and development processes. The presenters will move from medical imaging into CAD design environments by explaining each step of the processes. Mimics, 3-Matic, and Geomagic Studio tools will be included in their respective steps. The presentation will conclude with a research section, outlining the possibility of employing these processes in design, development, and fabrication of orthoses such as cranial helmets, braces and many more. The role of RP Technologies will help finalize the argument for the customized orthotics development and manufacturing. 4–4:25 pm Continuous Digital Light Processing (cDLP) for the Highly Accurate 3D Printing of Tissue Engineering Bone Implants David Dean, PhD, Associate Professor, Case Western Reserve University 4:30–4:55 pm Customized Surgical Instrument for Maxillofacial Surgery by SLM: Case Study, Process Steps, Powder Specifications Adeline Riou, Marketing Deputy Director, ERASTEEL Fermin Garciandia, Senior Researcher, Materials & Processes Area, IK4-LORTEK Jaime Ochoa, Researcher, Materials & Processes Area, IK4-LORTEK This presentation also highlights the benefits of technical cooperation between surgeons, users of additive manufacturing equipment and metallic powder producers. The paper is coauthored by IK4-Lortek, an R&D center with a research line focused on laser additive manufacturing (including both SLM and metal deposition technologies); Erasteel, producer of tailor made fine metal powders for additive manufacturing by VIM gas atomization; and has enjoyed the cooperation of Basurto Hospital. Highly accurate three-dimensional (3D) printing (i.e., additive manufacturing) of resorbable, internally porous, polymer implants could prove useful for tissue engineering applications. The geometry of the internal pore spaces of these implants 6/2013 – RAPID 37
Page 1 and 2: OffiCiaL EvEnT DirECTOry The Third
Page 3 and 4: CONTENTS Welcome ..................
Page 5 and 6: cmyk Event Hours Exposition Tuesday
Page 7 and 8: SME FACT SHEET Membership Chapters
Page 9 and 10: MEMBERSHIP APPLICATION $138.00 $248
Page 11 and 12: Simple Usable Useful Searching for
Page 13 and 14: Additive Manufacturing Briefings Th
Page 15 and 16: Trends. Analysis. Forecasts. Your s
Page 17 and 18: experience as the assistant chief s
Page 20 and 21: Careers in TeChnology Bright Minds
Page 22 and 23: SponSorS & SupporterS About SME SME
Page 24 and 25: SponSorS & SupporterS education, co
Page 26 and 27: At-A-Glance RAPID 2013 June 10-13 |
Page 28 and 29: Workshops & Tours Concurrent Worksh
Page 30 and 31: Contemporary art Gallery The Contem
Page 32 and 33: Keynote Presentations Monday, June
Page 34 and 35: NetworkiNg receptioNs Two reception
Page 36 and 37: ConferenCe Details Tuesday, June 11
Page 40 and 41: ConferenCe Details Additive Manufac
Page 42 and 43: ConferenCe Details layer encodes th
Page 44 and 45: ConferenCe Details 4:30-4:55 pm Pan
Page 46 and 47: ConferenCe Details 4:30-4:55 pm Pro
Page 48 and 49: ConferenCe Details Wednesday, June
Page 50 and 51: ConferenCe Details of the two casti
Page 52 and 53: ConferenCe Details This presentatio
Page 54 and 55: ConferenCe Details characterized by
Page 56 and 57: ConferenCe Details supported and th
Page 58 and 59: FLOOR PLAN R A P I D 2 0 1 3 June 1
Page 60 and 61: EXHIBITORS C C&A Tool EnginEEring i
Page 62 and 63: EXHIBITORS H Harvest tecHnologies .
Page 64 and 65: EXHIBITORS - Rapid Prototyping (CNC
Page 66 and 67: Additive Manufacturing Additive Man
Page 68 and 69: Additive Manufacturing need to be a
Page 70 and 71: Additive Manufacturing Photo courte
Page 72 and 73: PRODUCTS Advanced Materials Arcam A
Page 74 and 75: PRODUCTS EOS GmbH - Electro Optical

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