Patent ID: 8758294

Claim:
A method implemented by a powered inflation device to prepare a balloon catheter for use during a medical procedure, the method comprising: closing a first valve of the inflation device to close off fluid communication between the balloon catheter and a pressurizing unit of the inflation device; opening a second valve of the inflation device to allow fluid communication between the pressurizing unit and a fluid reservoir; and after closing the first valve and opening the second valve, and during a first motorized operation of the inflation device, moving a plunger of the pressurizing unit a first distance in a first direction to draw an amount of medical fluid from the fluid reservoir into the pressurizing unit; after the first motorized operation of the inflation device: closing the second valve to close off fluid communication between the pressurizing unit and the fluid reservoir, opening the first valve to allow fluid communication between the pressurizing unit and the balloon catheter, and during a second motorized operation of the inflation device, moving the plunger of the pressurizing unit a second distance in the first direction to remove an amount of air from the balloon catheter; and after the second motorized operation of the inflation device, and during a third motorized operation of the inflation device while the second valve is closed and the first valve is open, moving the plunger of the pressurizing unit a third distance in a second direction to inject the amount of medical fluid from the pressurizing unit into the balloon catheter to inflate a balloon located at a distal end of the balloon catheter, wherein the second direction is opposite to the first direction.