I was holding a piece of a broken chair and I accidentally scraped the side of my stomach(lovehandle) with a metal hinge part. I had a shirt on and it left a little scrape, like a little red line so I guess not a cut really. I washed it with some handsoap but not right away because I wasn't sure if I should or not since it wasn't really bleeding but just a red line. It's not bleeding that I can tell. Should I be worried about tetanus?