Amazon.com: Toilet Seat Riser with Handles: Hybodies Stand Alone Raised Toilet Seat for Seniors Adult, Toilet Safey Aids with Armrest & Height Adjustment, Bathroom Assist Frame, Fits Any Toilet, Up to 330lbs :
Journey Electric Toilet Lift for Seniors | Supreme Medical
Extra Wide Tall-Ette Elevated Toilet Seat (with or without Legs) - Just Walkers