Infusion systems with failure and alarm tolerant operating mode
First Claim
1. An infusion system for infusing an infusate into the body of a human or animal subject, said system comprising:
- a first infusion flow path having a first pump apparatus for delivering infusate through the first infusion flow path and into the body of the subject;
a second infusion flow path having a second pump apparatus for delivering infusate through the second infusion flow path and into the body of the subject;
at least one sensor; and
at least one controller in communication with said at least one sensor and said first and second pump apparatus;
wherein said at least one controller is programmed to;
i) initially cause infusate to be delivered through one or both of said first and second infusion flow paths such that the infusate is delivered into the subject'"'"'s body at a desired total flow rate;
ii) receive a fault signal from the at least one sensor indicating the occurrence of a fault in one of the first or second infusion flow paths; and
iii) in response to receipt of the fault signal, causing delivery of infusate through the faulting flow path to cease and adjusting the flow rate of infusate through the other flow path such that infusate continues to be delivered into the subject'"'"'s body at the desired total flow rate.
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Accused Products
Abstract
Infusion systems and methods for infusing one or more drugs or other agents into the body of a human or animal subject. The system is programmed to take remedial action(s) upon sensing of a fault or error in connection with the infusion. In some embodiments, an agent may be infused through redundant flowpaths and, if a fault occurs in one flowpath, the system may respond by increasing flowrate through other non-faulting flowpath(s). In some embodiments, the fault may be a physiological reaction or symptom in the subject and the system may respond by adjusting or stopping flowrate(s) or one or more agents or changing the ratio of simultaneously infused agents.
6 Citations
8 Claims
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1. An infusion system for infusing an infusate into the body of a human or animal subject, said system comprising:
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a first infusion flow path having a first pump apparatus for delivering infusate through the first infusion flow path and into the body of the subject; a second infusion flow path having a second pump apparatus for delivering infusate through the second infusion flow path and into the body of the subject; at least one sensor; and at least one controller in communication with said at least one sensor and said first and second pump apparatus; wherein said at least one controller is programmed to; i) initially cause infusate to be delivered through one or both of said first and second infusion flow paths such that the infusate is delivered into the subject'"'"'s body at a desired total flow rate; ii) receive a fault signal from the at least one sensor indicating the occurrence of a fault in one of the first or second infusion flow paths; and iii) in response to receipt of the fault signal, causing delivery of infusate through the faulting flow path to cease and adjusting the flow rate of infusate through the other flow path such that infusate continues to be delivered into the subject'"'"'s body at the desired total flow rate. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification