DRIVING ON A EXTREMELY ROUGH STREET, MY CAR JERKED TO THE LEFT. I TRIED BRAKING, BUT UNMOVABLE OBJECTS (STREET SIGN AND PHONE JUNCTION BOX) PROVIDED THE STOP. AIRBAGS DID NOT DEPLOY, BUT FORCE OF CAR PUSHED ME HARD INTO THE STEERING WHEEL. I HAD MY SAFETY BELT ON, PLUS BACK BRACE. EMTS NOTED 60% O2, IN ICU ON RESPIRATOR FOR A WEEK, HOSPITAL FOR 2 WKS. DISTINCTLY, I REMEMBER THE STEERING WHEEL JERKED TO THE LEFT.