As designs of drug-delivery devices become increasingly complex,engineers have an even wider
choice of plastics to choose from. this over helps navigate what can be a bewildering selection of
materials by outlining some key properties, capabilities, advantages, and limitations.
Industrial Design Consultancy Ltd. used a wide variety of DuPont polymers in its drug-delivery
system: DuPont Delrin resin for the clutch tube and locking sleeve; DuPont Zytel nylon resin for the
drive shaft, inner housing, thumb pad, and piston rod cap; and DuPont Crastin PBT for the printable
dose dial and rigid clip parts.
An innovative is the reusable insulin pen designed by Industrial Design Consultancy Ltd. Developed
for diabetes treatment, the pen offers a portable, discreet, and easy insulin dosage system for mobile
users.
From Design News May 2014 P.42-47.
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