21 items in this article 8 items on sale! Photo-Illustration: The Strategist; Photos: Tim Goertzen My dad is an interventional radiologist, a job that my mom always explains as being like a “human plumber” because he performs minimally invasive procedures on blood vessels and other internal structures. He uses imaging techniques (such as fluoroscopy and ultrasound) to guide small devices (like catheters or angioplasty balloons) during surgery. From guide wires the size of a human hair to aortic