A pump system simply and selectably controls the temperature, flow rate, flow volume, and flow pressure of a fluid being infused into a patient's body. The pump system a includes a central controller and user inputs that allow for simple selection and efficient operation of the pump system, which in
A pump system simply and selectably controls the temperature, flow rate, flow volume, and flow pressure of a fluid being infused into a patient's body. The pump system a includes a central controller and user inputs that allow for simple selection and efficient operation of the pump system, which includes manually or automatically priming the pump system to remove air, selectably controlling and rapidly adjusting the flow rate over a wide range, selectably and safely controlling the pump system temperature controls, and selectably controlling the flow pressure during delivery. The pump system includes a pump housing with a central controller and a cartridge with infusion tubing removably coupled to the pump housing.
대표청구항▼
1. A pump system, comprising: a. a pump housing comprising a motor driven pump, a user-selectable prime input, a user-selectable infusion input, and a central controller in communication with said prime input, said infusion input, and said motor driven pump; andb. a cartridge removably coupled to sa
1. A pump system, comprising: a. a pump housing comprising a motor driven pump, a user-selectable prime input, a user-selectable infusion input, and a central controller in communication with said prime input, said infusion input, and said motor driven pump; andb. a cartridge removably coupled to said pump housing comprising at least one infusion tubing and an air-trap in fluid communication with said at least one infusion tubing;wherein: said central controller is configured to automatically prime said at least one infusion tubing by causing said motor driven pump to pump fluid through said at least one infusion tubing at a first positive flow rate and at a second positive flow rate different than the first flow rate when fluid reaches a predetermined level in said air-trap in response to the selection of said prime input; andsaid central controller is further configured to cause said motor driven pump to pump fluid through said at least one infusion tubing and said air-trap to a patient in response to the selection of said infusion input. 2. The pump system of claim 1, wherein: said at least one infusion tubing comprises a first infusion tubing, a second infusion tubing, and an air output tubing;said first infusion tubing carries fluid in to said air-trap, said second tubing caries fluid out of said air-trap, and said air output tubing allows air to exit said air-trap;said pump housing further comprises a fluid outflow flow limiting mechanism that reversibly restricts the flow of fluid through said second infusion tubing and an air output flow limiting mechanism that reversibly restricts the flow of air through said air output tubing; andsaid central controller causes said fluid outflow flow limiting mechanism to restrict the flow of fluid through said second infusion tubing and causes said air output flow limiting mechanism to allow the flow of air through said air output tubing in response to the selection of said prime input. 3. The pump system of claim 2, wherein said fluid outflow flow limiting mechanism and said air output flow limiting mechanism comprise pinch clamps that operably and reversibly engage and compress said second infusion tubing and said air output tubing, respectively, when actuated so as to prevent the flow of fluid or air at the points of compression. 4. The pump system of claim 1, wherein said central controller is further configured to manually prime said at least one infusion tubing by causing said motor driven pump to begin pumping fluid at a third flow rate into said air-trap to remove air from said at least one infusion tubing while said prime input is depressed and to stop said pumping fluid when said prime input is released. 5. The pump system of claim 4, wherein said third flow rate is between about 100 milliliters per minute to about 1200 milliliters per minute. 6. The pump system of claim 4, wherein said third flow rate is approximately the same as the first flow rate or the second flow rate. 7. The pump system of claim 4, wherein said third flow rate differs from the first flow rate and the second flow rate. 8. The pump system of claim 1, further comprising a lower level sensor and an upper level sensor aligned with said air-trap and in communication with said central controller, wherein: said lower level sensor detects fluid at a first point in said air-trap;said upper level sensor detects fluid at a second point in said air-trap;said first point is positioned distal to said second point in said air-trap; andone of the first point or the second point indicates the predetermined level in said air-trap that, when reached by the fluid, the motor driven pump adjusts the flow rate through said at least one infusion tubing. 9. The pump system of claim 1, wherein said central controller automatically primes said at least one infusion tubing in response to depressing and releasing said prime input. 10. The pump system in claim 1, wherein said first flow rate is between about 10 milliliters per minute to about 900 milliliters per minute. 11. The pump system in claim 1, wherein said second flow rate is between about 900 milliliters per minute to about 1200 milliliters per minute. 12. The pump system of claim 1, wherein the second flow rate is greater than the first flow rate. 13. The pump system of claim 1, wherein at least one of the first flow rate or the second flow rate is between about 10 milliliters per minute and about 1200 milliliters per minute. 14. The pump system of claim 1, wherein said central controller causes said motor driven pump to stop pumping after fluid reaches the predetermined level in said air-trap. 15. The pump system of claim 1, wherein said central controller causes said motor driven pump to stop pumping after pumping for a predetermined period of time. 16. The pump system of claim 1, wherein said central controller causes said motor driven pump to stop pumping after pumping a predetermined volume of fluid. 17. The pump system of claim 1, wherein the predetermined level is a first predetermined level, and wherein said central controller causes said motor driven pump to stop pumping after reaching a second predetermined level proximal the first predetermined level. 18. The pump system of claim 1, wherein the predetermined level is a first predetermined level, and wherein, upon reaching a second predetermined level proximal the first predetermined level, said central controller causes said motor driven pump to stop pumping either (a) after pumping for a predetermined period of time or (b) after pumping a predetermined volume of fluid.
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