Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Gail Beth Bynum0
Michael L. Blomquist0
Date of Patent
May 9, 2006
0Patent Application Number
100869940
Date Filed
February 28, 2002
0Patent Citations Received
...
Patent Primary Examiner
Patent abstract
Sensors are described that may be provided in a medication pump. A magnetic sensor detects rotation of an element that is rotated by a motor, where a magnet covers a portion of the element. A light sensor may also be provided that detects if a cartridge is present in a cartridge chamber. A medication cartridge includes an opaque area at its open end for use with the light sensor. Methods of using these sensors to operate the pump area also described.
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