Dormant to active appurtenances for reporting information regarding wound dressings

• Main Authors: DYKSTRA NICHOLAS, LEUTHARDT ERIC C, WOOD, JR. LOWELL L, DUESTERHOFT PAUL, KUIPER MARK K, HAWKINS DANIEL, HYDE RODERICK A, SCHUBERT ELIZABETH L, PETERSON NELS R, KARE JORDIN T, TEGREENE CLARENCE T
• Format: Patent
• Language: English
• Published: 05.05.2015
• Subjects: ALARM SYSTEMS; BANDAGES, DRESSINGS OR ABSORBENT PADS; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS; DIAGNOSIS; FILTERS IMPLANTABLE INTO BLOOD VESSELS; FIRST-AID KITS; FOMENTATION; HUMAN NECESSITIES; HYGIENE; IDENTIFICATION; MEDICAL OR VETERINARY SCIENCE; ORDER TELEGRAPHS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; PHYSICS; PROSTHESES; SIGNALLING; SIGNALLING OR CALLING SYSTEMS; SURGERY; TREATMENT OR PROTECTION OF EYES OR EARS

Appurtenances to wound dressings can include: a substrate configured to attach to a wound dressing; a fluid-activated voltaic cell attached to the substrate; 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 current generated by the fluid-activated voltaic cell; and a projection operably attached to 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.