Apparatus and method for monitoring cardiac output

Details Apparatus and method for monitoring cardiac output Apparatus and method for monitoring cardiac output

A - Human Necessities

61

B

A61B 5/026 (2006.01) A61B 5/028 (2006.01)

Patent

CA 2081453

2081453 9117703 PCTABS00008 An apparatus for measuring fluid flow rate and cardiac output comprises a support member (12, 32) having a distal end (14, 34), a proximal end (16, 36) and an outer wall (18, 38). A first temperature sensing means (20, 44) is positioned on said outer wall (18, 38) with a second temperature sensing means (22, 46) positioned on said outer wall (18, 38) proximal to said first temperature sensing means (20, 44). Heating means (24, 26, 48) is also positioned on said outer wall (18, 38) juxtaposed to said first temperature sensing means (20, 44). Thus, by energising the heating means (24, 26, 48) a temperature differential between the first and second temperature sensing means (20, 22, 44, 46) is established. The energy required to maintain the temperature differential can be controlled and monitored, and correlated to fluid flow rate and cardiac output.

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