PHLEBOTOMY NEEDLE WITH SHAPE MEMORY ALLOY FLASHBACK SENSOR

摘要

A phlebotomy device includes a needle defining a lumen and having a proximalendportion and a distal end portion. The distal end portion includes a sharpenedtip configured topierce tissue. The phlebotomy device further includes a sensor disposed atleast partiallywithin the lumen. The sensor has a first state and a second state and isconfigured totransition from the first state to the second state upon exposure to blood atphysiologicaltemperature.