Gel pad for use with an ultrasonic monitor

A - Human Necessities – 61 – B

Patent

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Details

A61B 5/02 (2006.01) A61B 8/00 (2006.01) A61B 8/14 (2006.01)

Patent

CA 2587837

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.

Cette invention concerne un moniteur à ultrasons installé dans une carte à circuit imprimé (PCB) qui comprend un coussin de gel constitué d'une couche de gel et d'une couche de membrane. Les signaux ultrasons sont transmis du moniteur à un sujet vivant à travers le coussin de gel. Une couche d'air se forme dans les éléments transducteurs en dessous de la carte PCB pour améliorer la qualité de la transmission des signaux. Ces caractéristiques fournissent un moniteur à ultrasons plus performant et économique, et consommant moins d'énergie. Le moniteur peut être entièrement encapsulé dans une enveloppe en plastique ou en gel ou les deux ce qui lui confère des propriétés de résistance à l'eau.

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