Continuous drug solution infusion device
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United States of America Patent
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Feb 7, 2012
Grant Date -
Oct 1, 2009
app pub date -
Jul 11, 2006
filing date -
Jul 11, 2006
priority date (Note) -
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Abstract
A continuous drug solution infusion device is provided that is capable of administering a drug solution into a patient's body for a predetermined period of time substantially at a predetermined flow rate from the beginning to end of the drug solution infusion by suppressing the change in pressure from the beginning to end of the infusion. The continuous drug solution infusion device has at least two tubular members disposed in series along an infusion path for a drug solution and at least one expandable/contractible tubular member disposed between the tubular members.
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