Complex sentence: Theranos developed a blood-testing device named Edison that uses a few drops of blood obtained via a finger-stick, rather than vials of blood obtained via traditional venipuncture, utilizing microfluidics technology.
Split into simpler sentences: Theranos developed a blood-testing device named Edison. The company said the device uses a few drops of blood obtained via a finger-stick, rather than vials of blood obtained via traditional venipuncture, utilizing microfluidics technology.