Neurological therapy devices
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United States of America Patent
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Apr 21, 1992
Issued Date -
N/A
app pub date -
Nov 14, 1990
filing date -
Nov 17, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Neurological therapy devices are disclosed for the local and controlled delivery of a neurotransmitter to the brain of a subject suffering from neurotransmitter deficiency or dysfunction. In one embodiment the device includes a biocompatible, implantable, and retrievable polymeric insert including a source of neurotransmitter embedded therein. In another embodiment, the device includes a retrievable source of neurotransmitter including at least one neurotransmitter-secreting cell encapsulated within a semipermeable membrane allowing the diffusion therethrough of the neurotransmitter, and further includes a source of growth factor in close proximity to the neurotransmitter-secreting cells.
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