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SUMMARY:Engineering Additive Manufacturing Processes Across Length Scales 
 for  Future Medical  and Wearable Devices
DTSTART:20170315T101500
DTEND:20170315T111500
DTSTAMP:20260407T091242Z
UID:6eadc3abbd8ff64808e0882f819b285d3a23526c3062fc5cde9e3dd8
CATEGORIES:Conferences - Seminars
DESCRIPTION:Dr. Sebastian Pattinson\, Department of Mechanical Engineering
 \, Massachusetts Institute of Technology - USA\nAdditive manufacturing cou
 ld significantly improve medical and wearable devices through individual c
 ustomization\, yet improved materials and processes are needed to realize 
 this potential. I will discuss two novel additive techniques in which an u
 nderstanding of the molecular and macroscale process properties enables si
 gnificant enhancement of product mechanics and other functionality. To beg
 in\, I will describe the first method for additive manufacturing of full-d
 ensity cellulose objects\, which is made possible by reversibly modifying 
 the cellulose molecule.\n\nPrinted cellulose parts have strength and tough
 ness equal to or greater than common thermoplastics\, yet are isotropic du
 e to solvation-based interlayer bonding. Furthermore\, we fabricate parts 
 with antimicrobial functionality to demonstrate the versatility of this me
 thod\, which may make it favorable for manufacturing customized products i
 n many industries where cellulose is already widely used including pharmac
 euticals and medical devices. Second\, I will present ongoing work towards
  additive manufacturing of digitally tailored surgical mesh. This research
  seeks to produce hernia mesh whose mechanics and geometry can be tailored
  to a patient to reduce the significant complications experienced by many 
 of the 20 million people who undergo hernia surgery every year. By develop
 ing novel printer control software and deposition techniques that enable t
 he patterning of continuous fiber\, we have demonstrated the ability to lo
 cally modulate mesh mechanical response\, and achieved strength and porosi
 ty comparable to surgical mesh made by traditional methods.\n\nBio: Sebast
 ian Pattinson’s research aims to realize novel devices through advances 
 at the interface between nanofabrication and additive manufacturing. He is
  currently a postdoctoral fellow in Mechanical Engineering at the Massachu
 setts Institute of Technology working with Prof. John Hart. He received Ph
 .D. and Masters degrees in the Materials Science Department at the Univers
 ity of Cambridge\, where he developed synthesis methods to control the str
 ucture and function of carbon nanotubes and hierarchical materials. His aw
 ards include a UK Engineering and Physical Sciences Research Council Docto
 ral Training Grant\, a US National Science Foundation Science\, Engineerin
 g\, and Education for Sustainability postdoctoral fellowship\, and an MIT 
 Translational Fellowship.
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STATUS:CONFIRMED
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