Devices aid at-home mobility

People suffering from mobility problems sometimes need a lift out ofthe tub or an easy chair. When a helping hand is not available,there are mechanical devices to aid them.

American Stair-Glide makes a bath lift called Tubmate. It usesno electricity and operates on water pressure from the tub faucet.It swivels, lowers the user into the tub and back up again.

Bill Longmeyer, a sales representative, estimated the price at$525 to $650, including …