Drug dispensing body implantable lead employing molecular sieves and methods of fabrication
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United States of America Patent
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Mar 25, 1986
Grant Date -
N/A
app pub date -
Feb 27, 1985
filing date -
Feb 27, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A body implantable lead for the delivery of stimulation energy to a desired body site including a drug dispenser carried by the lead which retains a drug to be dispensed while allowing the dispensing of that drug at least adjacent the desired body stimulation site. The drug is retained in a cavity within the lead, in the form of a solid plug or a powder wherein the drug is compounded with an appropriate molecular sieve material. The drug is released only after the molecular sieves are activated by exposure to water. In those embodiments in which the molecular sieves take the form of a powder, the molecular sieves and drug may be conveniently loaded into the electrode, after manufacture and prior to implant.
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