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Incontinence detection apparatus

  • US 10,159,607 B2
  • Filed: 09/19/2017
  • Issued: 12/25/2018
  • Est. Priority Date: 11/16/2015
  • Status: Active Grant
First Claim
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1. A patient support apparatus comprisinga frame including a patient support deck having a plurality of deck sections, a first deck section of the plurality of deck sections being movable relative to at least a second deck section,a mattress supported by the patient support deck, the mattress having a portion that moves with the first deck section,an incontinence detection pad for placement atop the mattress, the incontinence detection pad having a passive radio frequency identification (RFID) tag,a reader coupled to the frame and operable to read data from the RFID tag,a first antenna coupled to an upper surface of the first deck section to move therewith, anda second antenna coupled to an upper surface of the second deck section, wherein the first and second antenna are communicatively coupled with the reader, wherein the RFID tag is excited by energy emitted from at least one of the first and second antenna through the mattress and data from the RFID tag of the incontinence pad is reflected back to at least one of the first and second antennae through the mattress,wherein the incontinence detection pad further comprises a top sheet made of a fluid permeable material, a backsheet comprising a first layer of fluid impermeable material, a conductive ink pattern provided on the first layer and configured to form a first electrode trace and a second electrode trace, and an absorbent core situated between the top sheet and the backsheet, wherein the RFID tag is attached to the first layer and has electrical contacts that couple to the respective first and second electrode traces, wherein wetness bridging between the first and second electrode traces is detectable by the RFID tag in response to the RFID tag being excited by external energy from the first antenna or the second antenna or both.

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