Patent ID: 7901360
Filing Date: 2011-03-08
Classification: A61B

Abstract:
1. An implantable sensor comprising: a piezopolymer sensor element comprising a body having a plurality of layers of a piezopolymer; an attachment device configured to hold the piezopolymer sensor element in direct contact with at least one of a bodily fluid and bodily tissue such that the piezopolymer sensor element is configured to bend in response to motion of the at least one of bodily fluid and bodily tissue; and a pair of electrodes attached to the piezopolymer sensor element, the electrodes configured to collect an electrical charge generated within the piezopolymer sensor element due to the bending of the piezopolymer sensor element; wherein the attachment device comprises a cable defining an at least partially loop-shaped portion, the piezopolymer sensor element being held within an open space bounded by the loop-shaped portion.