PRESSURE SENSOR FOR BEING INTRODUCED INTO THE CIRCULATORY SYSTEM OF A HUMAN BEING

Canada Patent

APP PUB NO CA-3144130-A1
SERIAL NO

3144130

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Abstract

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The invention relates to a passive pressure sensor (501) for being introduced into the circulatory system of a human being and for being wirelessly read out by an outside reading system. The pressure sensor comprises a casing (502) with a diffusion blocking layer for maintaining a predetermined pressure within the casing and a magneto-mechanical oscillator with a magnetic object (508) providing a permanent magnetic moment. The magneto-mechanical oscillator transduces an external magnetic or electromagnetic excitation field into a mechanical oscillation of the magnetic object, wherein at least a part of the casing is flexible for allowing to transduce external pressure changes into changes of the mechanical oscillation of the magnetic object. The pressure sensor can be very small and nevertheless provide high quality pressure sensing.

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Patent Owner(s)

Patent OwnerAddress
KONINKLIJKE PHILIPS NVNLHOLLAND SCHIPHOL SCHIPHOL NORTH HOLLAND

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Inventor(s)

Inventor Name Address
RAHMER JÜRGEN ERWIN EINDHOVEN
GLEICH BERNHARD EINDHOVEN

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