Patent ID: 11961615
Assignee: STRYKER CORPORATION
Field: Medical technology (Instruments)
Classification: CPC G  H | IPC G  H

Claim 0:
1. A patient support apparatus comprising:
a frame;
a patient support surface supported on the frame;
a lift adapted to raise and lower the patient support surface;
a first circuit board supported by the frame and including a first controller and a first memory, the first controller adapted to store a first set of data in the first memory and to perform a first one of the following functions: (a) charge a battery, (b) control the lift; or (c) receive a sensor input;
a second circuit board supported by the frame and including a second controller and a second memory, the second controller adapted to store a second set of data in the second memory and to perform a second one of the functions (a), (b), or (c);
a third circuit board supported by the frame and including a third controller and a third memory, the third controller adapted to store a third set of data in the third memory and to perform a third one of the functions (a), (b), or (c); and
wherein the first controller is adapted to send a backup copy of the first set of data to the third circuit board, the second controller is adapted to send a backup copy of the second set of data to the third circuit board, and the third controller is adapted to store the backup copy of the first set of data and the backup copy of the second set of data in the third memory.