Pressure switches, transmitters, systems, and methods for...

A - Human Necessities – 61 – B

Patent

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A61B 5/103 (2006.01)

Patent

CA 2716487

Apparatuses, systems, and methods for monitoring a pressure exerted on a tissue site are provided. In one embodiment, an apparatus includes a pressure switch adapted for placement adjacent the tissue site. The pressure switch includes an antenna operable to receive a first signal, a diode disposed adjacent the antenna, and a membrane covering the antenna and the diode. The membrane is movable from an impressed position to a pressed position when a force is exerted on the membrane to cause electrical communication between the antenna and the diode. The antenna is operable to send a second signal when the membrane is in the pressed position. The apparatus may also include a transmitter operable to emit the first signal to the an-tenna. The transmitter may output an alert when the transmitter receives the second signal.

La présente invention concerne des appareils, des systèmes et des procédés de surveillance dune pression exercée sur un site tissulaire. Dans un mode de réalisation, un appareil inclut un interrupteur à pression adapté pour être placé à côté dun site tissulaire. Ledit interrupteur à pression inclut une antenne servant à recevoir un premier signal, une diode disposée à côté de lantenne, et une membrane recouvrant lantenne et la diode. Ladite membrane peut être déplacée depuis une position imprimée jusquà une position pressée lorsquune force est exercée sur la membrane afin de susciter une communication électrique entre lantenne et la diode. Ladite antenne peut servir à envoyer un second signal lorsque la membrane se trouve dans la position pressée. Lappareil peut également inclure un émetteur servant à émettre le premier signal à lantenne. Lémetteur peut produire une alerte lorsque lémetteur reçoit le second signal.

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