Rate adjustable drug delivery system
First Claim
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1. A method of providing power sources and dosage control systems having reliable capacity ratings for transdermal iontophoresis delivery of therapeutic agents, said power source and dosage control systems comprising a plurality of serially connected galvanic couple power sources, the method comprising steps of:
- (a) manufacturing one or more lots of galvanic couple power sources;
(b) determining by sample testing capacity characteristics including an average charge capacity for said galvanic couple power sources of each of said one or more lots to produce tested lots;
(c) serially connecting a plurality of said galvanic couple power sources selected from one or more tested lots into power source and control systems;
(d) incorporating said power source and control systems into transdermal iontophoresis therapeutic agent delivery devices as the sole sources of power and delivery control; and
(e) providing labeling indicating average capacity for said agent delivery devices based on the tested average charge capacities of corresponding tested lots from which said plurality of galvanic power sources are taken.
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Abstract
A transdermal iontophoretic therapeutic agent delivery system which is provided with a plurality of self-contained serially connected galvanic sources.
68 Citations
30 Claims
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1. A method of providing power sources and dosage control systems having reliable capacity ratings for transdermal iontophoresis delivery of therapeutic agents, said power source and dosage control systems comprising a plurality of serially connected galvanic couple power sources, the method comprising steps of:
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(a) manufacturing one or more lots of galvanic couple power sources; (b) determining by sample testing capacity characteristics including an average charge capacity for said galvanic couple power sources of each of said one or more lots to produce tested lots; (c) serially connecting a plurality of said galvanic couple power sources selected from one or more tested lots into power source and control systems; (d) incorporating said power source and control systems into transdermal iontophoresis therapeutic agent delivery devices as the sole sources of power and delivery control; and (e) providing labeling indicating average capacity for said agent delivery devices based on the tested average charge capacities of corresponding tested lots from which said plurality of galvanic power sources are taken. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method of providing an accurate average available dosage rating for labeling skin-worn transdermal iontophoresis therapeutic agent delivery devices having self-contained combined power source and dosage control systems including a plurality of galvanic couple sources, including steps of sampling and testing average power capacities of lots from which said plurality of galvanic power sources are taken, using test results to determine an average available dosage and labeling said device in accordance with said average available dosage rating.
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15. A transdermal iontophoresis therapeutic agent delivery device comprising:
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(a) a plurality of self-contained serially connected galvanic power sources, wherein said plurality of galvanic power sources alone provide the power for the device and the control for the rate and dosage of therapeutic agent delivered; (b) said plurality of galvanic power sources including provision for one or more of said sources to expire at a different time; and (c) a resistance device connected in parallel with one or more of said galvanic power sources. - View Dependent Claims (16, 25, 26, 27, 28, 29, 30)
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- 17. A transdermal iontophoretic therapeutic agent delivery device as in 15 further comprising a label associated with said delivery device identifying the capacity of said delivery system and that said capacity is based on the average tested, capacities of corresponding manufactured lots of said plurality of galvanic power sources.
Specification