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SUMMARY:Additive Manufacturing of Biomechanically Tailored Meshes for Comp
 liant Wearable and Implantable - Dr Sebastian Pattinson\, CUED
DTSTART:20190607T130000Z
DTEND:20190607T140000Z
UID:TALK123265@talks.cam.ac.uk
CONTACT:Hilde Hambro
DESCRIPTION:Additive manufacturing (AM) of medical devices including ortho
 paedic implants and hearing aids is highly attractive because of AM’s po
 tential to match the complex form and mechanics of individual human bodies
 . Wearable and implantable tissue-support devices\, such as ankle or knee 
 braces\, and hernia repair mesh\, offer a new opportunity for AM to mimic 
 tissue-like mechanics and improve patient quality of life. Here\, we demon
 strate how explicit programming of the toolpath in an extrusion AM process
  can enable new\, flexible mesh materials with digitally tailored mechanic
 al properties and geometry. Meshes are fabricated by extrusion of thermopl
 astics\, optionally with continuous fibre reinforcement\, using a continuo
 us toolpath that tailors the elasticity of unit cells of the mesh by incor
 poration of slack and modulation of filament-filament bonding.  We show ho
 w the tensile mesh mechanics can be engineered to match the nonlinear resp
 onse of muscle\, incorporate printed mesh into an ankle brace with directi
 onally specific stiffness\, and present further concepts for tailoring the
  3D geometry for medical applications. 
LOCATION:Oatley Seminar Room\, Department of Engineering
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