Cart for ultrasound diagnostic apparatus and ultrasound diagnostic unit

A cart for an ultrasound diagnostic apparatus comprising:

• a seat on which a portable ultrasound diagnostic apparatus is placed;
• a handle connected to the seat;
• a columnar support that supports the seat to be raisable and lowerable;
• a raising and lowering operation portion for raising and lowering the seat;
• a plurality of leg portions that support the columnar support;
• and
• casters disposed on the leg portions,
• wherein
• the handle includes a front handle disposed in front of the seat and a rear handle disposed behind the seat,
• the raising and lowering operation portion includes a front operation portion disposed below the front handle and a rear operation portion disposed below the rear handle,
• the front operation portion is a push-button disposed below a center of the front handle in a lateral direction,
• the rear operation portion is a lever disposed below the rear handle,
• the columnar support includes a gas spring having an unlocking pin, and
• wherein pressing the push-button and pulling up the lever each cause the unlocking pin to change from a non-operative state to an operative state so that the seat is unlocked from a locked state in which the seat is unraisable and unlowerable.