IMPLANTABLE CONTINUOUS-FLOW PUMPS
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United States of America Patent
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Issued Date -
Aug 1, 2024
app pub date -
Apr 11, 2024
filing date -
Mar 1, 2018
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Abstract
In various embodiments, a drug pump includes a housing and, within the housing, an expandable drug reservoir at least part of which is exposed to a pressurized propellant. The propellant exerts a substantially constant pressure on the drug reservoir. A flow restrictor significantly limits outflow from the pump, and preferably has both a small diameter and a long path length, which acts to control the outflow from the drug reservoir. As a result, the pump produces a substantially constant outflow.
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