Method and system for controlled infusion of therapeutic substances
3 Assignments
0 Petitions
Accused Products
Abstract
Programmable infusion systems and method for controlled infusion of diagnostic or therapeutic substances (e.g., drugs, biologics, fluids, cell preparations, etc.) into the bodies of human or animal subjects.
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Citations
133 Claims
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1-121. -121. (canceled)
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123. A method for infusing an infusate into the body of a human or animal subject using an infusion profile having a number of infusion steps, said method comprising:
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A) assigning i) total infusate volume;
ii) total number of infusion steps;
iii) time duration per infusion step, iv) maximum infusion rate, v) initial infusion rate, vi) incremental increase in infusion rate and vi) ramp rate;B) performing a first infusion step having i) a ramping segment wherein the infusion rate increases at the assigned ramp rate from zero to approximately the assigned initial infusion rate and ii) a terminal segment wherein the infusion continues at approximately the assigned initial infusion rate until the assigned time duration has been reached C) calculating the volume of infusate delivered during the preceding infusion step; D) calculating the remaining volume of infusate to be infused to deliver the assigned total infusate volume; E) performing another infusion step having i) a ramping segment wherein the infusion rate increases at the assigned ramp rate from the infusion rate of the terminal portion of the preceding infusion step to a new infusion rate that is equal to the infusion rate of the terminal portion of the preceding infusion step plus the incremental increase in infusion rate but not exceeding the assigned maximum infusion rate and ii) a terminal segment wherein the infusion continues at approximately said new initial infusion rate until the assigned time duration has been reached; and F) repeating Steps C through E until the assigned total infusate volume has been delivered. - View Dependent Claims (124, 125, 126, 127, 128, 129, 130, 131, 132, 133)
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Specification