Drug infusion system with multiple medications
First Claim
1. A drug infusion system capable of delivering a fluid medication to a patient under direction of a medical professional, said fluid medication consisting of a plurality of drugs including a primary drug and a secondary drug, each of said plurality of drugs having a concentration, said drug infusion device comprising:
- a drug delivery module capable of delivering said fluid medication to said patient from a reservoir at a flow rate;
a controller allowing said medical professional to specify a dose of said primary drug per unit time for said patient;
means for determining said flow rate as a function of said dose of said primary drug and said concentration of said primary drug;
means for determining a dose of said secondary drug per unit time for said patient as a function of said flow rate and said concentration of said secondary drug;
said controller communicating said dose for said secondary drug per unit time to said medical professional.
1 Assignment
0 Petitions
Accused Products
Abstract
A drug infusion system is capable of delivering a fluid medication consisting of a plurality of drug to a patient under direction of a medical professional. The device is programmed to deliver a primary drug in a prescribed dose. The device determines the resultant dose of a secondary drug and displays such resultant dose to the medical professional. Dual sets of memory for storing operating parameters are alternatively active.
75 Citations
21 Claims
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1. A drug infusion system capable of delivering a fluid medication to a patient under direction of a medical professional, said fluid medication consisting of a plurality of drugs including a primary drug and a secondary drug, each of said plurality of drugs having a concentration, said drug infusion device comprising:
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a drug delivery module capable of delivering said fluid medication to said patient from a reservoir at a flow rate;
a controller allowing said medical professional to specify a dose of said primary drug per unit time for said patient;
means for determining said flow rate as a function of said dose of said primary drug and said concentration of said primary drug;
means for determining a dose of said secondary drug per unit time for said patient as a function of said flow rate and said concentration of said secondary drug;
said controller communicating said dose for said secondary drug per unit time to said medical professional. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A drug infusion system capable of delivering a fluid medication to a patient under direction of a medical professional, said fluid medication consisting of a plurality of drugs, said drug infusion system comprising:
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a drug delivery module capable of delivering said fluid medication to said patient from a reservoir;
a controller allowing said medical professional to specify a first parameter of delivery of one of said plurality of drugs; and
means for determining a first parameter of another of said plurality of drugs as a function of said first parameter of delivery of said one of said plurality of drugs and a second parameter of said another of said plurality of drugs;
said controller communicating said first parameter of said another of said plurality of drugs to said medical professional. - View Dependent Claims (8, 9, 10, 11, 12, 13)
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14. A dosing tool, useable by a medical professional, for an implantable drug infusion system capable of delivering a fluid medication to a patient from a reservoir at a flow rate, said fluid medication consisting of a plurality of drugs including a primary drug and a secondary drug, each of said plurality of drugs having a concentration, said dosing tool comprising:
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a controller allowing said medical professional to specify a dose of said primary drug per unit time for said patient;
means for determining said flow rate as a function of said dose of said primary drug and said concentration of said primary drug; and
means for determining a dose of said secondary drug per unit time for said patient as a function of said flow rate and said concentration of said secondary drug;
said controller communicating said dose for said secondary drug per unit time to said medical professional. - View Dependent Claims (15, 16)
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17. A method of communicating dosing information for an implantable drug infusion system to by medical professional when said drug infusion system is being programmed by said medical professional, said drug infusion system being capable of delivering a fluid medication to a patient from a reservoir at a flow rate, said fluid medication consisting of a plurality of drugs including a primary drug and a secondary drug, each of said plurality of drugs having a concentration, said method comprising the steps of:
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allowing said medical professional to specify a dose of said primary drug per unit time for said patient;
determining said flow rate as a function of said dose of said primary drug and said concentration of said primary drug;
determining a dose of said secondary drug per unit time for said patient as a function of said flow rate and said concentration of said secondary drug; and
communicating said dose for said secondary drug per unit time to said medical professional. - View Dependent Claims (18, 19)
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20. A drug infusion system capable of delivering a fluid medication to a patient under direction of a medical professional, comprising:
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an implantable drug delivery module capable of delivering said fluid medication to said patient, said implantable drug delivery module having operating parameters;
memory, contained in said implantable drug delivery module, for storing a plurality of sets of said operating parameters, one of said plurality of sets of said operating parameters being active;
a controller allowing said medical professional to specify said operating parameters by modifying said parameters stored in one of said plurality of sets of said operating parameters which is not active;
said controller also allowing said medical professional to alter which of said plurality of sets of operating parameters is active.
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21. A method of controlling a drug infusion system capable of delivering a fluid medication to a patient under direction of a medical professional, said drug infusion system having:
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an implantable drug delivery module capable of delivering said fluid medication to said patient, said implantable drug delivery module having operating parameters; and
memory, contained in said implantable drug delivery module, for storing a plurality of sets of said operating parameters, one of said plurality of sets of said operating parameters being active;
comprising the steps of;
storing a set of operating parameters in said memory in one of said plurality of sets which is not active;
determining that said set of operating parameters is valid; and
switching which of said plurality of sets which is active to said one of said plurality of sets of operating parameters in which said set of operating parameters were stored in said storing step.
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Specification