Arrangement for delivering medications in an implantable medical device
First Claim
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1. An arrangement for delivering medication in an implantable medical device, said device having a plurality of surface regions, said arrangement comprising:
- at least two containers, said containers including means for storing medication disposed in said implantable medical device at at least one of said surface regions, each of said containers being in communication with said at least one surface region via an opening in said surface region having the size of a pore adapted to dispense medication from the container to tissue surrounding said surface region.
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Abstract
An arrangement for delivering medications in an implantable medical device, such as a heart pacemaker, has at least two containers or receptacles for the medication disposed below the surface of a portion of the implanted device, each container terminating in an opening having the size of a pore in the surface of the implanted device to permit the medication to be delivered from the container to surrounding tissue. The structure permits the medication to be delivered at specific regions of tissue, and in a manner which permits control of the medication dose.
59 Citations
11 Claims
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1. An arrangement for delivering medication in an implantable medical device, said device having a plurality of surface regions, said arrangement comprising:
at least two containers, said containers including means for storing medication disposed in said implantable medical device at at least one of said surface regions, each of said containers being in communication with said at least one surface region via an opening in said surface region having the size of a pore adapted to dispense medication from the container to tissue surrounding said surface region. - View Dependent Claims (2, 3, 4)
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5. A heart pacemaker system comprising:
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a housing; an electrode lead; means for connecting said electrode lead to said housing; means disposed in said housing and electrically connected to said electrode lead via said means for connecting for electrically stimulating body tissue; a stimulation delivering tip disposed at a distal end of said electrode lead remote from said housing; each of said housing, said means for connecting and said tip having a surface; and means disposed in at least one of said housing, said means for connecting, and said tip, for delivering medication to surrounding tissue comprising at least two containers adapted for storing medication, each of said containers having a pore-sized opening in communication with the respective surface of said housing, said means for connecting or said tip adapted for delivering medication from the container to said tissue. - View Dependent Claims (6, 7, 8, 9, 10, 11)
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Specification