Product Placement Blog ➞ 3M3M Littmann Stethoscope of Nick Gehlfuss as Dr. Will Halstead in Chicago Med S06E01 “When Did We Begin to Change” (2020)November 12, 2020 Sergey TV Show Hi! On Thursday, November 12, I analyzed a TV Show and product placement was spotted: 3M Littmann Stethoscope of Nick Gehlfuss as Dr. Will Halstead in Chicago Med S06E01 “When Did We Begin to Change” (2020).Here are 2 image(s) below: