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Abstract

A biomedical transducer which is useful for interposing between a tissue and apparatus or another tissue or organ which is applying pressure to the tissue, in order to estimate the pressure applied to a selected area of the tissue. The biomedical pressure transducer comprises: a first flexible layer carrying at least one electrical contact; a second flexible layer carrying at least one electrical contact and cooperating with the first flexible layer to define a pressurizable chamber wherein the contacts are normally touching when the chamber is not pressurized; and pressure estimation means for selectably pressurizing the pressurizing chamber so as to move at least one of said flexible layers sufficiently to separate the electrical contacts, and for indicating the lowest selected pressure at which the contacts are separated.

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First Claim