Patient Support Apparatus With Hydraulic Oscillation Dampening
Number of patents in Portfolio can not be more than 2000
United States of America
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Issued Date -
Dec 12, 2024
app pub date -
Aug 22, 2024
filing date -
Aug 22, 2024
priority date (Note) -
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Abstract
A patient transport apparatus with a base, a litter comprising a support surface, and a lift mechanism to facilitate arranging the litter at different heights relative to the base between a plurality of lift configurations including a fully-retracted configuration and a fully-extended configuration. The lift mechanism includes an actuator including a cylinder, fluid reservoir, and a pump driven by a motor to direct hydraulic fluid from the fluid reservoir to the cylinder. A sensor outputs a signal indicative of a magnitude of pressure in the cylinder. A user interface with an input control is provided. A controller determines a target parameter for the motor and, in response to user engagement with the input control, drives the motor at the target parameter to effect movement of the litter relative to the base at a predetermined rate irrespective of a weight of a patient supported on the litter.
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