Go for the pat down. Here’s the answer to your other question. A lot of electrical medical equipment can’t go through scanner and will break. Just to be safe. Your device can. Sorry I didn’t include it originally. I have injectables so in my carry on I have to carry it on, if medication needs to be refrigerated zip lock baggies with gel packs. When my Benlysta started to warm flight attendant gave me ice. Benlysta can’t be at room temperature. It has to be kept cold. My flight was 11 hours.
https://www.dexcom.com/faqs/can-i-wear-dexcom-g7-through-security-or-while-flying