Bathmate
The Bathmate brand was born in 2004 when the inventor, Mr John Oakes, developed a hydrotherapy pump to help a disabled friend. John, a young award winning engineer and extreme sports enthusiast, had a friend who due to a spinal injury sustained rock-climbing, was confined to a wheelchair. An unfortunate effect of this injury was that it left him unable to gain or maintain an erection. John reviewed the air-vacuum pumps available at the time, and determined that he could do better.
The key to John’s success was to discard the concept of an air-based pump and opt for a hydraulic solution. John gave one of the prototype Hydropumps to his friend and they were both astonished at the results, which were nothing short of amazing, but there was also a serendipitous [unexpected?] discovery waiting for John.