Over the last few years, I’ve been helping companies navigate the use of PTFE (a fluoropolymer in the PFAS family) in inks and coatings. The FDA just released new   guidance   confirming that fluoropolymers used in medical devices are considered safe and essential and there is no reason to restrict their use. Medical device applications include catheters, guidewires, vascular grafts, drug delivery tubing, and nonstick surgical coatings. Here are some of the key takeaways from