System and method of non-invasive continuous level sensing

Details System and method of non-invasive continuous level sensing System and method of non-invasive continuous level sensing

A - Human Necessities

61

F

A61F 9/007 (2006.01) A61B 17/00 (2006.01) G01F 23/292 (2006.01) G01N 21/41 (2006.01)

Patent

CA 2592212

Embodiments of the present invention provide a system and method for detecting the level of a fluid in a surgical cassette by projecting light from a linear light source into a wall of a cassette. Depending on the amount a light reflected or refracted in the cassette (i.e., due to the cassette material/fluid interface or cassette material/air interface (or other interface)) various portions of a linear sensor array will be more or less illuminated. By examining the illumination of the linear sensor array, the level of fluid in the chamber can be determined.

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