Implantable intravascular pressure determining device and method
First Claim
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1. An implantable intravascular pressure determining device comprising:
- a pressure sensor adapted for interaction with a subject for generating a raw pressure signal;
an acceleration sensor adapted for interaction with said subject for generating an acceleration signal;
an evaluation unit connected to said acceleration sensor for determining a disturbance pressure signal from said acceleration signal; and
a processor supplied with said raw pressure signal and said disturbance pressure signal for generating a processed signal, as a difference between said raw pressure signal and said disturbance pressure signal, said processed signal corresponding to intravascular pressure.
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Abstract
In an implantable intravascular pressure determining device and method, a pressure sensor generates a raw pressure signal, an acceleration sensor generates an acceleration signal, and an evaluation unit determines a disturbance pressure signal from the acceleration signal. A processed signal is generated as the difference between the raw pressure signal and the disturbance pressure signal. The processed signal corresponds to intravascular pressure.
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Citations
14 Claims
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1. An implantable intravascular pressure determining device comprising:
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a pressure sensor adapted for interaction with a subject for generating a raw pressure signal;
an acceleration sensor adapted for interaction with said subject for generating an acceleration signal;
an evaluation unit connected to said acceleration sensor for determining a disturbance pressure signal from said acceleration signal; and
a processor supplied with said raw pressure signal and said disturbance pressure signal for generating a processed signal, as a difference between said raw pressure signal and said disturbance pressure signal, said processed signal corresponding to intravascular pressure. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method for determining intravascular pressure, comprising the steps of:
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disposing a pressure sensor in a vascular system of a subject and generating a raw pressure signal therefrom;
disposing an acceleration sensor for interaction with a subject and generating an acceleration signal therefrom;
determining a disturbance pressure signal from said acceleration signal; and
generating a processed signal as a difference between said raw pressure signal and said disturbance pressure signal, said processed signal corresponding to intravascular pressure. - View Dependent Claims (10, 11, 12, 13, 14)
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Specification