Drip infusion rate control apparatus
First Claim
1. A drip infusion rate control apparatus for controlling the flow rate of a medical solution to be infused into a human or animal body by means of a drip infusion system, said apparatus comprising:
- a weight measuring means for measuring the weight of a medicine bottle containing a medical solution being infused into a human or animal body through an infusion tube led out from said medicine bottle;
an existing flow rate data computing means for computing, by using at least time-dependently varying weight data outputted from said weight measuring means, an existing flow rate reflecting value which reflects an existing flow rate of said medical solution flowing in said infusion tube;
an aiming value outputting means for outputting a set of reference flow rate data defining an aiming flow rate expected to said medical solution;
a basic data inputting means for inputting a set of basic data necessary for said aiming value outputting means to output said set of reference flow rate data;
a comparator for comparing said existing flow rate reflecting value with at least one of the reference flow rate data contained in said set of reference flow rate data, and outputting a flow rate control signal; and
a flow rate regulating mechanism interposed midway of said infusion tube, said mechanism being operative according to said flow rate control signal outputted from said comparator.
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Accused Products
Abstract
A drip infusion rate control apparatus controlling the flow rate of a medical solution to be infused into a human or animal body by means of a drip infusion system. The apparatus includes a weight measuring means for measuring the weight of a medicine bottle containing a medical solution being infused into a human or animal body through an infusion tube led out from the medicine bottle, an existing flow rate data computing means for computing, by using at least time-dependently varying weight data outputted from the weight measuring means, an existing flow rate reflecting value which reflects an existing flow rate of the medical solution flowing in the infusion tube, an aiming value outputting means for outputting a set of reference flow rate data defining an aiming flow rate expected to the medical solution, a basic data inputting means for inputting a set of basic data necessary for the aiming value outputting means to output the set of reference flow rate data, a comparator for comparing the existing flow rate reflecting value with at least one of the reference flow rate data contained in the set of reference flow data, and outputting a flow rate control signal, and a flow rate regulating mechanism interposed midway of the infusion tube, the mechanism being operative according to the flow rate control signal outputted from the comparator.
111 Citations
8 Claims
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1. A drip infusion rate control apparatus for controlling the flow rate of a medical solution to be infused into a human or animal body by means of a drip infusion system, said apparatus comprising:
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a weight measuring means for measuring the weight of a medicine bottle containing a medical solution being infused into a human or animal body through an infusion tube led out from said medicine bottle; an existing flow rate data computing means for computing, by using at least time-dependently varying weight data outputted from said weight measuring means, an existing flow rate reflecting value which reflects an existing flow rate of said medical solution flowing in said infusion tube; an aiming value outputting means for outputting a set of reference flow rate data defining an aiming flow rate expected to said medical solution; a basic data inputting means for inputting a set of basic data necessary for said aiming value outputting means to output said set of reference flow rate data; a comparator for comparing said existing flow rate reflecting value with at least one of the reference flow rate data contained in said set of reference flow rate data, and outputting a flow rate control signal; and a flow rate regulating mechanism interposed midway of said infusion tube, said mechanism being operative according to said flow rate control signal outputted from said comparator. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A drip infusion rate control apparatus for controlling the flow rate of a medical solution to be infused into a human or animal body by means of a drip infusion system, said apparatus comprising:
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a weight measuring means for repetitively measuring the weight of a medicine bottle containing a medical solution being infused into said human or animal body through an infusion tube led out from said medicine bottle at predetermined time increments; an existing flow rate data computing means for computing, by using at least time-dependently varying weight data outputted from said weight measuring means, an existing flow rate reflecting value which reflects an existing flow rate of said medical solution flowing in said infusion tube; a basic data inputting means for inputting a set of basic data necessary for an aiming value, said basic data comprising a total weight to be infused and a total time for infusion; an aiming value outputting means for computing and outputting a set of reference flow rate data defining an aiming flow rate for said medical solution based upon said timedependently varying weight data, total weight to be infused and an amount of time remaining of said total time; a comparator for comparing said existing flow rate reflecting value with at least one of the reference flow rate data contained in said set of reference flow rate data, and outputting a flow rate control signal; and a flow rate regulating mechanism interposed midway of said infusion tube, said mechanism being operative according to said flow rate control signal output from said comparator; whereby said flow rate is repetitively adjusted such that said total amount to be infused in infused in said total time.
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Specification