Cardiovascular dynamics evaluation apparatus

Details Cardiovascular dynamics evaluation apparatus Cardiovascular dynamics evaluation apparatus

2007-09-04

2007-09-04

Nasser, Robert L. (Department: 3735)

Surgery

Diagnostic testing

Cardiovascular

C600S493000, C600S494000

Reexamination Certificate

active

11061822

ABSTRACT:
The cardiovascular evaluation apparatus of the present invention maintains a pulse wave detection means for detecting pulse wave generated while external pressure is applied to the artery, a pulse wave pattern formulation means for formulating a pulse wave amplitude pattern that indicates the dependency characteristic of the pulse wave amplitude in regard to said external pressure, a pattern shape matching means for matching general polyangular patterns to a pattern portion of said pulse wave amplitude pattern that includes at least a part of the envelope curve where the area of the general pattern, and an index derivation means for deriving a cardiovascular dynamics index related to arterial mechanical characteristics and/or cardiac function.

REFERENCES:
patent: 5606977 (1997-03-01), Ramsey et al.
patent: 6129676 (2000-10-01), Odagiri et al.
patent: 7029448 (2006-04-01), Kubo
patent: 05-038332 (1993-02-01), None
patent: 3470121 (1994-10-01), None
patent: 07-124129 (1995-05-01), None
patent: 2001-104258 (2001-04-01), None
Information Technology Research Institute of Nagano Prefecture, Report on Research and Development Results, Nov. 7, 1994.

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