James Pateman drove his Ford Transit van into Jeremy Model, knocking him over on the ground on July 21 of final 12 months.
He was greater than double the authorized restrict for cocaine and was below the affect of hashish when he crashed on New England Highway, Brighton.
The 38-year-old induced catastrophic accidents to Mr Model which required 4 surgical procedures on his proper leg which needed to be amputated above the knee.
She referred the case to Lewes Crown Court docket as a result of Pateman had a number of medicine in his system when he collapsed.
Decide Kelly mentioned: “I’ve learn the pre-sentence report which reveals that Mr Pateman is actually and very remorseful. I’ve additionally learn the sufferer influence assertion which particulars the influence on the household, the Mr. Model's dwelling and work life.
I really feel that Mr. Pateman is actually remorseful.
“Due to the 2 medicine in your system, I don't really feel like sentencing you on this court docket.”
Pateman, of Chatham Place, close to Seven Dials in Brighton, was pulling out between automobiles when he hit Mr Model final 12 months.
Pateman, who was carrying a black swimsuit, white shirt and a snood round his neck, pleaded responsible to inflicting severe harm by careless or thoughtless driving, in addition to driving a car whereas over the required restrict for 3 medicine in his system.
He had 25 micrograms of cocaine per liter of blood in his system, greater than double the authorized restrict of ten micrograms.