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A multi-channel peristaltic pump in which each channel can be operated independently of the others. A peristaltic pump includes a plurality of motors, each of which drives a rotor shaft which is independently rotatable around an axis and which rotates a roller head having a plurality of rollers. The

A multi-channel peristaltic pump in which each channel can be operated independently of the others. A peristaltic pump includes a plurality of motors, each of which drives a rotor shaft which is independently rotatable around an axis and which rotates a roller head having a plurality of rollers. The rotor shafts are disposed in a concentric manner. The peristaltic pump further can include a control system allowing an operator to selectively determine the speed and direction of rotation of each of the roller heads of the pump.

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1. A peristaltic pump comprising: at least three motors;at least three rotor shafts, each of which rotates around a shared axis and each of which can rotate independently of the other of said rotor shafts, with a portion of a first one of said rotor shafts located within a portion of a second one of

1. A peristaltic pump comprising: at least three motors;at least three rotor shafts, each of which rotates around a shared axis and each of which can rotate independently of the other of said rotor shafts, with a portion of a first one of said rotor shafts located within a portion of a second one of said rotor shafts, and with at least portions of the first and second of said rotor shafts located within a portion of a third one of said rotor shafts;a first, second, and third plurality of rollers attached to a first end of each of said first one, second one, and third one of said rotor shafts, respectively, wherein each of said first, second, and third plurality of rollers have substantially the same width, and wherein said first, second, and third plurality of rollers move around the axis as said rotor shaft to which said plurality of rollers are attached moves, and wherein each of said first, second, and third plurality of rollers compresses at least a portion of a first, second, and third tubing, respectively, when the portion of each of the first, second, and third tubing is located within a first, second, and third removable cartridge, respectively, when the first, second, and third removable cartridges having the portion of each of the first, second, and third tubing therein, respectively, are attached to the first end of the first one, second one, and third one of said rotor shafts to which said first, second, and third rollers is attached when said first, second, and third plurality of rollers rotates around the shared axis;at least three belts, with each of said belts coupling at least one of said motors to at least one of said rotor shafts; anda control system comprising a processor and memory having instructions stored therein for allowing an operator to selectively actuate each of said rotor shafts at a selected speed and in a selected direction, wherein the speed and direction of each of said rotor shafts may be independent from the speed and direction of each of the other of said rotor shafts, and wherein each of said rotor shafts can be actuated at a different time or at the same time as one or more of the other of said rotor shafts. 2. The pump according to claim 1 wherein said pump comprises at least four motors, at least four rotors and at least four belts. 3. The pump according to claim 1 wherein said pump comprises at least five motors, at least five rotors and at least five belts. 4. The pump according to claim 1 wherein the number of rollers attached to at least one of the rotors is different from the number of rollers attached to at least one of another of said rotor shafts. 5. The pump according to claim 4 wherein said pump comprises at least four rotors. 6. The pump according to claim 5 wherein said pump comprises at least five rotors. 7. A peristaltic pump comprising: at least first, second, and third motors;at least first, second, and third rotor shafts, with said first rotor shaft coupled to said first motor, said second rotor shaft coupled to said second motor, and said third rotor shaft coupled to said third motor, wherein each of said first, second, and third rotor shafts is adapted to rotate around a shared axis and each of said first, second and third rotor shafts is adapted to rotate independently of the other of said first, second, and third rotor shafts, with at least one of said first, second, and third rotor shafts having a hollow portion through which at least portions of two of the other of said first, second, and third rotor shafts extend and with at least two of said first, second, and third rotor shafts each having a hollow portion through which a portion of at least one of the other of said first, second, and third rotor shafts extends;a first, second, and third plurality of rollers, each having substantially the same width, attached to a first end of each of said first, second, and third rotor shafts, respectively, wherein said first, second, and third plurality of rollers move around the axis as said rotor shaft to which said rollers are attached moves, and wherein, when each of said first, second and third rotor shaft move, each of said first, second, and third plurality of rollers compresses at least a portion of a first, second, and third tubing, respectively, when the portion of each of the first, second, and third tubing is located within a first, second and third removable cartridge, respectively, and when the first, second, and third removable cartridge is attached to the first end of the first, second, and third rotor shafts to which said first, second, and third plurality of rollers is attached; anda control system comprising a processor for executing computer software allowing an operator to selectively actuate each of said first, second, and third rotor shafts at a selected speed and in a selected direction. 8. The peristaltic pump according to claim 1 further comprising at least three cartridges which comprise tubing for holding a fluid, wherein one of said cartridges is removably attached to the first end of each of the first one, second one, and third one of said rotor shafts. 9. The peristaltic pump according to claim 7 wherein the pump comprises: at least five motors;at least five rotor shafts, wherein at least two of said rotor shafts each having a hollow portion through which at least a portion of a third rotor shaft extends, and wherein at least three of said motors are located proximal a first end or side of the pump, with two of said at least five motors located proximal a second end or side of the pump. 10. The peristaltic pump according to claim 7 further comprising a display, wherein said display further comprises an input device allowing a user to input information to be used by the computer software. 11. The peristaltic pump according to claim 10 wherein the computer software comprises instructions which, when executed by said processor, cause the motors, and thereby the rollers, to move in accordance with selected criteria. 12. The peristaltic pump according to claim 11 wherein said criteria comprise speed and direction. 13. A dosing system for administering medicine, comprising: a plurality of tubes for fluid transmission,a peristaltic pump comprising:at least first, second, and third motors;at least first, second, and third rotor shafts, each of which rotates around a shared axis and each of which can rotate independently of the other of said first, second, and third rotor shafts, with a portion of said first rotor shaft located within a portion of said second and third of said rotor shafts, and with a portion of said second rotor shaft located within a portion of said third rotor shaft;a first, second, and third plurality of rollers attached to a first end of each of said first, second, and third rotor shafts, respectively, so that said plurality of rollers move around the axis as said first, second, and third rotor shaft to which said rollers are attached moves, wherein, when each of said first, second and third rotor shaft moves, each of said first, second, and third plurality of rollers compresses a portion of a first, second, and third tube, respectively, wherein the portion of the first, second, and third tube is located within a first, second, and third removable cartridge, respectively, when the first, second, and third removable cartridge is attached to the first end of the first, second, and third rotor shafts, respectively, to which said first, second, and third plurality of rollers is attached;at least first, second, and third belts, with each of said belts coupling at least one of said motors to at least one of said rotor shafts; anda control system operable for selectively actuating each of said motors to thereby cause each of said plurality of rollers to move at a selected speed and in a selected direction, wherein at least a portion of an outer diameter of each of said tubes is removably coupled to at least one of said rollers such that movement of the at least one of said rollers is adapted to pump a fluid in said tube. 14. The pump according to claim 1 wherein said pump further comprises a first end and a second end, and wherein said plurality of rollers is proximate said first end. 15. The pump according to claim 1 wherein said pump further comprises a first end and a second end and a face proximate said first end, wherein said plurality of rollers is proximate said face. 16. The pump according to claim 1 wherein said pump further comprises a first end and a second end and a housing, wherein said housing comprises a face proximate said first end and wherein said plurality of rollers extends from said face. 17. The pump according to claim 7 wherein said pump further comprises a first end and a second end, and wherein said plurality of rollers is proximate said first end. 18. The pump according to claim 7 wherein said pump further comprises a first end and a second end and a face proximate said first end, wherein said plurality of rollers is proximate said face. 19. The pump according to claim 7 wherein said pump further comprises a first end and a second end and a housing, wherein said housing comprises a face proximate said first end and wherein said plurality of rollers extends from said face. 20. The dosing system according to claim 13 wherein said pump further comprises a first end and a second end, and wherein said plurality of rollers is proximate said first end. 21. The dosing system according to claim 13 wherein said pump further comprises a first end and a second end and a face proximate said first end, wherein said plurality of rollers is proximate said face. 22. The dosing system according to claim 13 wherein said pump further comprises a first end and a second end and a housing, wherein said housing comprises a face proximate said first end and wherein said plurality of rollers extends from said face. 23. The pump according to claim 7 further comprising at least a fourth motor and at least a fourth rotor shaft. 24. The pump according to claim 7 further comprising at least a fifth motor and at least a fifth rotor shaft. 25. The peristaltic pump according to claim 7 wherein a first end of the first rotor shaft is located proximal a first end of the second rotor shaft, and wherein the first end of the second rotor shaft is also located proximal a first end of the third rotor shaft, and wherein a second end of the first rotor shaft is located proximal the first motor, a second end of the second rotor shaft is located proximal the second motor, and a second end of the third rotor shaft is located proximal the third motor.