Gel pad for use with an ultrasonic monitor
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United States of America Patent
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Issued Date -
May 18, 2006
app pub date -
Nov 17, 2004
filing date -
Nov 17, 2004
priority date (Note) -
Abandoned
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Abstract
An ultrasonic monitor implemented on a PCB includes a gel pad comprised of a gel layer and a membrane layer. Ultrasonic signals are transmitted between the ultrasonic monitor and a living subject through the gel pad. An air gap is formed in the PCB underneath transducer elements to provide for more efficient signal transmission. These features provide for a low power, low cost, more efficient ultrasonic monitor. The entire ultrasonic monitor may be encapsulated in plastic, a gel, or both to provide water resistant properties.
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