Surgery – Truss – Pad
Patent
1990-12-19
1992-04-07
Kamm, William E.
Surgery
Truss
Pad
128687, 128690, A61B 502
Patent
active
051018292
ABSTRACT:
A semiconductor sensor for detecting a pressure pulse wave produced from an arterial vessel of a subject, including a semiconductor substrate including a thin portion obtained by locally forming a recess in one of opposite surfaces of the semiconductor substrate, at least one semiconductor pressure sensing element supported by the thin portion of the semiconductor substrate, for converting a pressure pulse wave transmitted from the arterial vessel to the thin portion, into an electric signal, and at least one semiconductor active element supported by the semiconductor substrate, for converting the electric signal into a different electric signal, the at least one active element including a portion of the semiconductor substrate.
REFERENCES:
patent: 4423738 (1984-01-01), Newgard
patent: 4784152 (1988-11-01), Shinoda
patent: 4802488 (1989-02-01), Eckerle
patent: 4901733 (1990-02-01), Kaida
patent: 4947855 (1990-08-01), Yokoe et al.
patent: 4966156 (1990-10-01), Perry
patent: 4987900 (1991-01-01), Eckerle
Fujikawa Kimio
Harada Chikao
Colin Electronics Co., Ltd.
Kamm William E.
Nasser, Jr Robert L.
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