Drug infusion system and method adapted to start during programming cycle
First Claim
1. A drug infusion system for delivering a fluid medication to a patient, comprising:
- an implantable drug delivery device configured to deliver said fluid medication at a programmable rate to said patient under control of an original programming cycle having a plurality of steps in a plurality of time slots beginning at a starting time;
said programming cycle specifying said programmable rate for each of said plurality of steps;
an external controller configured to store a program representative of said original programming cycle in said implantable drug delivery device at a programming time, wherein said starting time and said programming time are different; and
said drug infusion system adjusting said implantable drug delivery device so that said original programming cycle begins at said programming time at a point during said original programming cycle adjusted for a difference between said starting time and said programming time, wherein said adjusting occurs before said program representative of said original programming cycle is stored in said implantable drug delivery device.
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Abstract
Drug infusion system capable of delivering a fluid medication to a patient and method for doing same is described. An implantable drug delivery device is capable of delivering the fluid medication at a programmable rate to the patient under control of an original programming cycle having a plurality of steps in a plurality of time slots beginning at a starting time. The programming cycle specifies the programmable rate for each of the plurality of steps. An external controller is capable of storing a program representative of the original programming cycle in the implantable drug delivery device at a programming time. The drug infusion system adjusts the implantable drug delivery device so that the original programming cycle will begin at a time during the original programming cycle adjusted for the programming time.
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Citations
16 Claims
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1. A drug infusion system for delivering a fluid medication to a patient, comprising:
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an implantable drug delivery device configured to deliver said fluid medication at a programmable rate to said patient under control of an original programming cycle having a plurality of steps in a plurality of time slots beginning at a starting time; said programming cycle specifying said programmable rate for each of said plurality of steps; an external controller configured to store a program representative of said original programming cycle in said implantable drug delivery device at a programming time, wherein said starting time and said programming time are different; and said drug infusion system adjusting said implantable drug delivery device so that said original programming cycle begins at said programming time at a point during said original programming cycle adjusted for a difference between said starting time and said programming time, wherein said adjusting occurs before said program representative of said original programming cycle is stored in said implantable drug delivery device. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A drug infusion system for delivering a fluid medication to a patient, comprising:
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an implantable drug delivery device configured to deliver said fluid medication at a programmable rate to said patient under control of an original programming cycle having a plurality of steps in a plurality of time slots beginning at a starting time; said programming cycle specifying said programmable rate for each of said plurality of steps; an external controller configured to store a program representative of said original programming cycle in said implantable drug delivery device at a programming time, wherein said starting time and said programming time are different; and said drug infusion system adjusting said implantable drug delivery device so that said original programming cycle begins at said programming time at a point during said original programming cycle adjusted for a difference between said starting time and said programming time, wherein said adjusting occurs after said program representative of said original programming cycle is stored in said implantable drug delivery device and wherein said start time is adjusted using a time obtained from a real time clock internal to said implantable drug delivery device to account for said programming time.
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9. A method of programming an implantable drug delivery device adapted to deliver a fluid medication at a programmable rate to a patient in plurality of steps in a plurality of time slots, comprising the steps of:
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creating an original programming cycle specifying said programmable rate for each of said plurality of steps on an external controller specifying a starting time for said original programming cycle, wherein said starting time and said programming time are different; storing a program representative of said original programming cycle in said implantable drug delivery device at a programming time; and adjusting said implantable drug delivery device so that said original programming cycle begins at said programming time at a point during said original programming cycle adjusted for a difference between said starting time and said programming time, wherein said adjusting step occurs before said storing step. - View Dependent Claims (10, 11, 12, 13, 14, 15)
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16. A method of programming an implantable drug delivery device adapted to deliver a fluid medication at a programmable rate to a patient in plurality of steps in a plurality of time slots, comprising the steps of:
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creating an original programming cycle specifying said programmable rate for each of said plurality of steps on an external controller specifying a starting time for said original programming cycle, wherein said starting time and said programming time are different; storing a program representative of said original programming cycle in said implantable drug delivery device at a programming time; and adjusting said implantable drug delivery device so that said original programming cycle begins at said programming time at a point during said original programming cycle adjusted for a difference between said starting time and said programming time, wherein said adjusting step occurs after said storing step and wherein said adjusting step comprises providing an offset from said start time using a time obtained from a real time clock that is internal to said implantable drug delivery device.
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Specification