Fig. 6: Protection and Selective Exposure of Capsule Actuator.
From: Freestanding region-responsive bilayer for functional packaging of ingestible devices
a Schematic of the internal flex actuator (left) before and (right) after deployment via thermal actuation. b Uncoated actuator packaged capsule before (left) and after (right) firing of the actuator. c Image of the microneedles fired into agar showing dye diffusion from the microneedle patch. d Preloaded capsule coated with five FRRB layers before (left) and after (right) translation and deployment of the GI simulator. e Images of the capsule during translation across the small intestinal phantom showing the microneedle patch left behind as the capsule translates. (all scale bars: 6 mm)
