Look for one of these, assuming your injury is an ankle, way more maneuverable around the house and tight spaces. My GF had one when she had foot surgery. We took that fucker everywhere. She could get along a lot faster than walking, too.
http://www.amazon.com/Drive-Medical-Steerable-Alternative-Crutches/dp/B00I471EI8/ref=sr_1_2_s_it?s=hpc&ie=UTF8&qid=1530303734&sr=1-2&keywords=knee+scooter