Infusion pump with battery back-up
First Claim
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1. An infusion pump system comprising;
- pump means for delivering a drug to a patient;
a power supply for providing power to said pump means, said power supply including battery holder means and a battery disposed in said battery holder, said battery being one of a disposable and a rechargeable battery, said battery holder including a first and a second contact for contacting the terminals of said disposable battery and an additional contact for contacting an additional terminal of said rechargeable battery;
monitoring means coupled to said contacts to detect the type of battery connected to said contacts for monitoring said power supply to determine a reserve energy level of said power supply; and
an alarm means coupled to said monitoring means for generating an alarm signal when said reserve energy level falls below a threshold.
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Accused Products
Abstract
An infusion pump is powered either from an ac line, a disposable battery or a rechargeable battery. The pump automatically differentiates between disposable and rechargeable batteries, and it includes an alarm activated when the pump senses that the battery has been depleted in accordance with the kind of battery in use.
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Citations
16 Claims
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1. An infusion pump system comprising;
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pump means for delivering a drug to a patient; a power supply for providing power to said pump means, said power supply including battery holder means and a battery disposed in said battery holder, said battery being one of a disposable and a rechargeable battery, said battery holder including a first and a second contact for contacting the terminals of said disposable battery and an additional contact for contacting an additional terminal of said rechargeable battery; monitoring means coupled to said contacts to detect the type of battery connected to said contacts for monitoring said power supply to determine a reserve energy level of said power supply; and an alarm means coupled to said monitoring means for generating an alarm signal when said reserve energy level falls below a threshold. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An infusion pump system comprising;
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pump means for delivering a drug to a patient; control means for controlling said pump means; a power supply for providing power to said pump means and said control means from a power source selected from the group consisting of an ac line, a rechargeable battery and a disposable battery;
said power supply including battery holder means for accepting at least one battery, said battery holder including a first and a second contact for contacting the terminals of said disposable battery and an additional contact for contacting an additional terminal of said rechargeable battery;monitoring means coupled to said contacts to detect the type of battery connected to said contacts for monitoring a reserve energy level of said power supply; and alarm means activated by said monitoring means for generating an alarm when said reserve energy level is below a threshold. - View Dependent Claims (8, 9, 10, 11, 12)
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13. An infusion pump system comprising;
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(A) pump means for delivering a drug to a patient; (B) a power source for said pump means, said power source including (1) a battery holder for holding one of a disposable battery having two battery terminals and a rechargeable battery having three battery terminals, said battery holder having a contact for contacting each of said terminals; and (2) a battery charger connected to an ac line; and (C) monitoring means coupled to said contacts for monitoring a power level of said power source, said monitoring means being adapted to differentiate between said disposable and rechargeable battery by comparing a voltage between said contacts. - View Dependent Claims (14, 15, 16)
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Specification