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公开(公告)号:US08506497B2
公开(公告)日:2013-08-13
申请号:US11803559
申请日:2007-05-14
申请人: Andrew S. Katayama , Todd A. Keitel , Manouchehr Goharlaee , Stuart L. Gallant , Warren B. Craycroft
发明人: Andrew S. Katayama , Todd A. Keitel , Manouchehr Goharlaee , Stuart L. Gallant , Warren B. Craycroft
IPC分类号: A61B5/02
CPC分类号: A61B5/0225 , A61B5/021 , A61B5/02233 , A61B5/6843 , A61B5/72
摘要: Improved apparatus and methods for non-invasively assessing one or more parameters associated with systems such as fluidic circulating systems (e.g., the circulatory system of a living organism). In a first aspect, an improved method of continuously measuring pressure from a compressible vessel is disclosed, wherein a substantially optimal level of compression for the vessel is achieved and maintained using dynamically applied dither perturbations (e.g., modulation) on the various axes associated with the vessel. In a second aspect, an improved apparatus and method are provided for monitoring hemodynamic parameters, such as blood pressure, in a continuous and non-invasive manner while operating under a single unifying scheme. One variant of this scheme using a simulated annealing (SA) type approach to determining and maintaining an optimal operating state.