Please download the dossier by clicking on the dossier button x
×

Microclimate system for a patient support apparatus

  • US 9,730,847 B2
  • Filed: 09/08/2016
  • Issued: 08/15/2017
  • Est. Priority Date: 01/15/2013
  • Status: Active Grant
First Claim
Patent Images

1. A patient bed comprisinga mattress having a topper arranged to conduct air through the mattress to remove heat and/or moisture from a patient supported by the mattress,an air handling unit fluidly coupled with the topper to provide air therethrough, the air handling unit including a conditioning unit arranged to selectively alter the temperature and/or humidity of air provided to the topper, a pressure source fluidly connected with the conditioning unit and adapted to provide air through the topper, and a controller in communication with each of the conditioning unit and the pressure source to adjust operation of the air handling unit based on environmental conditions surrounding the mattress, anda sensor unit arranged to detect an input factor corresponding to air provided to the topper from the air handling unit in communication with the controller to communicate an indication of the input factor,wherein the controller is configured to determine a current level of evaporative capacity corresponding to the input factor, to compare the current level of evaporative capacity with a predetermined level of evaporative capacity, and to determine and execute new operation of air handling unit corresponding to the predetermined level of evaporative capacity if the current operation of the air handling unit does not provide the predetermined level of evaporative capacity, wherein the controller rechecks information indicated by the sensor unit in response to the determination that the current level of evaporative capacity is within an acceptable range of the predetermined level of evaporative capacity.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×