Surgery – Diagnostic testing – Detecting nuclear – electromagnetic – or ultrasonic radiation
Patent
1997-11-14
1999-09-14
Getzow, Scott M.
Surgery
Diagnostic testing
Detecting nuclear, electromagnetic, or ultrasonic radiation
600448, 600451, 600453, 600455, A61B 808
Patent
active
059514760
ABSTRACT:
Continued bleeding into a pocket or hematoma in the cranium could exert pressure on the brain which would move it relative to the cranium to force the brain stem into the medulla oblongata to arrest breathing. Such brain micromovement is detected by projecting bursts of ultrasound into one or both of the temple areas of the cranium or into the medulla oblongata, and the readout of echoes received from different depths is displayed on a screen. The readout of the echoes indicates continued microshifts of the brain relative to the cranium. To differentiate microshifts of the brain relative to the cranium caused by continued intracranial bleeding as distinguished from pulsations of the brain relative to the cranium caused by supply of blood to the brain from the heart and return of blood from the brain to the heart, the timing of the bursts of ultrasound into the cranium is synchronized with the pulse indicated by a heart pulse monitor.
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patent: 5088498 (1992-02-01), Beach et al.
patent: 5183046 (1993-02-01), Beach et al.
patent: 5289820 (1994-03-01), Beach et al.
patent: 5379770 (1995-01-01), Van Veen
patent: 5573012 (1996-11-01), McEwan
Beach Robert W.
Getzow Scott M.
Mantis Mercader Eleni
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