Abstract: Provided in the present invention are a cart for an ultrasonic imaging system and an ultrasonic imaging system. The cart includes a height adjustable column, and the column includes an elevation device and a balancing unit adjustment device. The elevation device is used to adjust the height of the cart, and the balancing unit adjustment device includes a force balancing unit and a knob. The force balancing unit includes an elastic assembly, and the force balancing unit is used to balance the lifting force required by the elevation device to implement lifting. The knob is connected to the force balancing unit and installed on the outside of the column to adjust the elasticity of the elastic assembly, so as to alter the lifting force.

Abstract: The present invention provides a medical device comprising: a main body; and two or more fixed casters and at least one floating caster, which are connected to a bottom portion of said main body and support said main body, wherein said floating caster is capable of floating in the vertical direction relative to said main body.