West Midlands Ambulance Service was called to the incident, outside Debenhams, at 2.18pm and sent two ambulances, a paramedic officer and the West Midlands Care Team to the scene.
A West Midlands Ambulance Service spokesman said: “Crews arrived to find a man, believed to be in his 50s, who they were told had briefly been pinned against a wall following the collision.
“Following assessment from ambulance staff the man was treated for a serious leg injury. He appeared to have avoided any other significant injuries in the collision.
“He was immobilised and given pain relief before being transported to Queen Elizabeth Hospital for further treatment.
“The driver of the car, a woman believed to be in her 50s, was treated for minor injuries and the effects of shock before being discharged at the scene.”