U Cincinnati (et al.) follows, with a tempting look at a ???novel multimodality lab-on-a-tube smart catheter???, which can accurately track multiple parameters in an injured brain (31.5); 31.6 (Ritsumeikan U) shows off another medical device, an all polymer pneumatic balloon actuator, fabricated from polymers such as polyimide and polydimethylsiloxane that we are familiar with in the chip business