Patent ID: 7018182

Claim:
A peristaltic pump comprising: a pump motor having a rotating motor shaft with a shaft axis; a peristaltic pump head mounted on the motor shaft; a raceway having a semi-circular track arranged around the pump head and coaxial with the shaft axis, said track having a beveled edge at an entrance to the raceway to receive a tube loop being loaded into the pump; said pump head further comprising at least one roller riding in said raceway and orbiting said shaft axis, said roller compressing the tube loop against said raceway when said tube loop is mounted in the raceway, and a cartridge to which the tube loop is attached and is mountable on the raceway, wherein said cartridge positions the tube loop between the track and roller when the cartridge is mounted on the raceway, and the loop is inclined at an angle with respect to a plane of the cartridge.