#$%^&*AU2008227055B220130829.pdf#####PHLEBOTOMY NEEDLE WITH SHAPE MEMORY ALLOY FLASHBACK SENSOR Abstract 5 A phlebotomy device (10) includes a needle (12) defining a lumen (40) and having a proximal end portion and a distal end portion. The distal end portion includes a sharpened tip (42) configured to pierce tissue. The phlebotomy device (10) further includes a sensor (14) disposed at least partially within the lumen (40). The sensor (14) has a first state and a second state and is configured to transition from the first state to the 1o second state upon exposure to blood at physiological temperature.1/2 7r Op= ec
