My wife has had an operation on her foot and cannot put any weight on it for six weeks. Wheelchairs and crutches aren't really practical round our place so I built her a sort of "scooter" out of some tubing, put a handle on it with a cushion to rest her knee on it and some castor wheels so she can move around the house. She took it to the hospital when she had the op. and the surgeon says "where did you get that? so she tells him that my husband made it for me.... He asks if he can borrow it and takes it down to show the physio who seems quite impressed with it and asks if I'd be interested in making a couple more for the hospital. I've since searched some sites for walking frames, equipment for the disabled and similar stuff and I can't really find anything like it..... I've been told by a few others that I should patent it and start making them to sell to orthopedic specialists for hire to patients and such. It's just that I wouldn't have the first idea on how to go about this? I know its a sex forum guys....but we have such a diversified membership here than somebody may have experience with this? Is there anyone on here who might be able to give me more info on how to do it?