US 12,408,845 B2
Person support apparatus with adjustable exit detection zones
Sujay Sukumaran, Portage, MI (US); Marko N. Kostic, Johnson City, TN (US); Madhu Thomas, London (CA); Krishna Sandeep Bhimavarapu, Kalamazoo, MI (US); Anish Paul, Portage, MI (US); and Christopher Alan George, St. Thomas (CA)
Assigned to Stryker Corporation, Kalamazoo, MI (US)
Filed by Stryker Corporation, Kalamazoo, MI (US)
Filed on Jun. 30, 2020, as Appl. No. 16/917,004.
Claims priority of provisional application 63/024,066, filed on May 13, 2020.
Claims priority of provisional application 62/889,254, filed on Aug. 20, 2019.
Prior Publication US 2021/0052197 A1, Feb. 25, 2021
Int. Cl. A61B 5/11 (2006.01); A61B 5/00 (2006.01); A61G 1/00 (2006.01); A61G 7/012 (2006.01); A61G 7/015 (2006.01); A61G 7/018 (2006.01); A61G 7/05 (2006.01)
CPC A61B 5/1115 (2013.01) [A61B 5/746 (2013.01); A61G 1/00 (2013.01); A61G 7/012 (2013.01); A61G 7/015 (2013.01); A61G 7/018 (2013.01); A61G 7/0507 (2013.01); A61G 2203/32 (2013.01); A61G 2203/44 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A person support apparatus comprising:
a support deck supported on a frame by at least one lift configured to raise and lower the support deck, the support deck having an adjustable width; and
an exit detection system adapted to issue an alert if an occupant of the person support apparatus is moving toward exiting the person support apparatus, the exit detection system including an alert zone having a boundary, the exit detection system comprising:
a plurality of force sensors adapted to output signals corresponding to downward forces exerted on the support deck; and
a controller in communication with the plurality of force sensors, the controller configured to determine a deck width of the support deck and adjust the boundary of the alert zone based on the deck width.