Maybe this is a big ask but would there be any chance of you posting a pic of where it is on your arm as i think that i'm maybe putting mine too close to the outside of my arm which is prime location for it catching a doorframe, but too far round my arm would it not rub on my side??? The best result here would be for Abbott to adapt the sensor so that there are no edges and it comes to your arm in more of a curve than leaving an edge. Just received my second free replacement about five minutes ago and i'm really not wanting to put it on as i'm scared i'll rip it off before the night is out.....how pathetic is that!!!!!!!
I'm not wearing one at the moment, or I would happily photograph my bingo wings. Let me tell you how I sort of decide where it's going, and I think others use this technique too.
When I'm ready to apply the sensor, and having decided if it's going on the left or right, I stretch the arm out at shoulder height, and relax it (i.e. - don't tense your muscles). I then apply the sensor somewhere on the part of my arm that's facing the floor. So, in effect there is a minimal amount, if any, in danger if arm v door-frame combat. For the first time, when you've decided where it's going, maybe press a finger on the spot, so that when you put the applicator onto your arm, you'll know it's in the same place.
Doing that I've never had it touch my side, unless I've had my arm closer to my body and pulled the elbow across my body. I've just tested that, knowing where I place it.
I doubt that way, the sensor will interfere with anything, although I guess, as usual, it's best to take a little extra care when putting on or removing any tight clothing.
I guess to an extent the size of the gizmo are governed by what's in there. Making any kind of curvature on it would be tricky, as we're all different sized. It's licensed for use for small children. I'm a very slight (160cm, 47kg) old girl, and there are big, butch gym boys using it too. How would they gauge the required curvature, without offering different sizes, which would almost inevitably increase the cost.
I hope that works for you. It's what I do, and I believe it complies with Abbott's requirements, but I can't guarantee it'll be perfect for you. I'm pleased they have replaced your sensors. I've found their Customer Service to be excellent.