Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
October 17, 2006
Patent Application Number
11103806
Date Filed
April 11, 2005
Patent Citations Received
Patent Primary Examiner
Patent abstract
An optical pressure monitoring system includes a tube from an infusion set and an optical signal sensor disposed to detect changes in the diameter of the tube and thereby determine pressure changes within the tube. By selecting the position of the tube relative to the optical signal emitter and optical signal receiver, the optical signal sensor can both detect pressure changes and provide an integrity check for both the functioning of the optical signal sensor and the placement of the tube. By modifying the tube to exaggerate changes in tube diameter responsive to pressure changes, the sensitivity of the optical signal sensor can be increased.
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