Medical infusion pump with closed loop stroke feedback system and method

Medical infusion pump with closed loop stroke feedback system and method

A medical pump with a closed loop stroke feedback system and method, for use with a pumping chamber, for example in a cassette, is disclosed. The pump includes a pumping element that intermittently pressurizes a pumping chamber during a pumping cycle. A pressure sensor detects the pressure exerted b...

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Hauptverfasser: Lawless, Michael W, Fathallah, Marwan A, Saleki, Mansour A, Kidd, Brian A, Abrahamson, Kent D, Cousineau, Robert P, Boyd, Robert R, Greene, Howard L
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Sprache:eng
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creator Lawless, Michael W
Fathallah, Marwan A
Saleki, Mansour A
Kidd, Brian A
Abrahamson, Kent D
Cousineau, Robert P
Boyd, Robert R
Greene, Howard L
description A medical pump with a closed loop stroke feedback system and method, for use with a pumping chamber, for example in a cassette, is disclosed. The pump includes a pumping element that intermittently pressurizes a pumping chamber during a pumping cycle. A pressure sensor detects the pressure exerted by the pumping element on the pumping chamber. A position sensor detects the position of the pumping element. A processing unit processes pressure data from the pressure sensor and position data from the position sensor to determine a calculated stroke volume of the pump for a pump cycle, and to adjust a stroke frequency of the pump to compensate for variation in the stroke volume.
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The pump includes a pumping element that intermittently pressurizes a pumping chamber during a pumping cycle. A pressure sensor detects the pressure exerted by the pumping element on the pumping chamber. A position sensor detects the position of the pumping element. A processing unit processes pressure data from the pressure sensor and position data from the position sensor to determine a calculated stroke volume of the pump for a pump cycle, and to adjust a stroke frequency of the pump to compensate for variation in the stroke volume.</abstract><oa>free_for_read</oa></addata></record>
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title Medical infusion pump with closed loop stroke feedback system and method
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