Body implantable lead

Details Body implantable lead Body implantable lead

A - Human Necessities

61

M

326/17.5

A61M 37/00 (2006.01) A61F 2/00 (2006.01) A61K 9/00 (2006.01) A61M 31/00 (2006.01) A61M 39/02 (2006.01) A61N 1/02 (2006.01) A61N 1/05 (2006.01)

Patent

CA 1174284

ABSTRACT OF THE DISCLOSURE 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 a dis- pensing of that drug at least adjacent the desired body stimulation site. The drug may be one which is intended to counter thrombus formation, fibrosis, inflammation or arrhythmias, or any combina- tion thereof, or to accomplish any other localized purpose. The drug may be in liquid form retained in a reservoir carried by the lead with an agency controlling dispensing of the drug. The con- trolling agency may be a semi-permeable membrane. Alternatively, the reservoir may be formed as an osmotic pump. As a further alternative, the drug may be retained as a coating on a large sur- face area portion of the lead, or an electrode carried by the lead. In a preferred embodiment, the drug is compounded into a solid material which is carried by the lead while being exposed to body tissues and flesh or fluids at least adjacent the desired stimula- tion site.

385012

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