The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 23, 2017
Filed:
Apr. 10, 2012
Christopher R O'keefe, Batesville, IN (US);
Timothy Joseph Receveur, Guilford, IN (US);
Aziz Bhai, Fishers, IN (US);
Luke Gibson, Greensburg, IN (US);
Charles a Lachenbruch, Lakeway, TX (US);
Rachel Williamson, Batesville, IN (US);
Christopher R O'Keefe, Batesville, IN (US);
Timothy Joseph Receveur, Guilford, IN (US);
Aziz Bhai, Fishers, IN (US);
Luke Gibson, Greensburg, IN (US);
Charles A Lachenbruch, Lakeway, TX (US);
Rachel Williamson, Batesville, IN (US);
Hill-Rom Services, Inc., Batesville, IN (US);
Abstract
A method for detecting occupant position change on a support surface includes establishing a rate of change of pressure in a head end test zone and in a foot end test zone, comparing the head end rate to at least one head end rate limit, comparing the foot end rate to at least one foot end rate limit, and inferring, in response to the comparing steps, whether or not occupant migration has occurred. An associated occupant support includes a frame and a mattress. The mattress includes head and foot zones each having at least one pressurizable bladder. The support also includes a controller adapted to compare a head end rate of pressure change to a head end rate limit, to compare a foot end rate of pressure change to a foot end rate limit, and to infer, in response to the comparing steps, whether or not occupant migration has occurred.