Patent ID: 9510781
Filing Date: 2016-12-06
CPC Classification: A61B,A61F

Claim Text:
1. An appurtenance to a wound dressing, comprising: a substrate configured to attach to a wound dressing; a fluid-activated voltaic cell attached to the substrate, the fluid-activated voltaic cell including a chamber within an internal region and an anode and a cathode within the chamber, the fluid-activated voltaic cell including at least one aperture positioned to allow a fluid from the wound dressing into the chamber, the fluid-activated voltaic cell being configured to generate electrical power from interaction of the fluid with the anode and the cathode; a transmission unit attached to a surface of the substrate, the transmission unit including circuitry and at least one antenna, the transmission unit configured to transmit a signal in response to electrical power from the fluid-activated voltaic cell; and a projection operably attached to the aperture in the fluid-activated voltaic cell, the projection of a size and shape to extend into an interior region of the wound dressing and configured to sample a fluid within the interior region of the wound dressing.