Ultrasonic diagnostic apparatus and control method thereof

1. An ultrasonic diagnostic apparatus comprising:

a probe configured to irradiate an ultrasonic signal to an object and receive the ultrasonic signal reflected from the object;

a pressure device configured to contract or expand a blood vessel of the object and configured to be divided into a plurality of regions; and

a controller configured to operate in one region of the plurality of regions to generate an image related to the blood vessel of the object and sequentially operate in other regions of the plurality of regions,

wherein the pressure device comprises a detector configured to detect a pressure transmitted by the probe, and

the controller is configured to determine the one region of the pressure device based on a contact region of the probe transmitted by the detector.

2. The ultrasonic diagnostic apparatus according to claim 1 , wherein the pressure device is provided with a material capable of transmitting the ultrasonic signal irradiated by the probe.

3. The ultrasonic diagnostic apparatus according to claim 1 , wherein the pressure device is configured to contract or expand the blood vessel using at least one of voltage, air, fluid and oil.

4. The ultrasonic diagnostic apparatus according to claim 1 , wherein the controller is configured to generate a color Doppler image based on the ultrasonic signal transmitted by the probe and determine the presence or absence of regurgitation of blood and the regurgitation occurrence time based on the generated color Doppler image.

5. The ultrasonic diagnostic apparatus according to claim 4 , wherein the controller is configured to sequentially operate in the other regions of the plurality of regions based on a predetermined order and time after the color Doppler image is generated.

6. The ultrasonic diagnostic apparatus according to claim 1 ,

wherein the controller is configured to determine a position of the pressure device based on a user input.

7. The ultrasonic diagnostic apparatus according to claim 1 , wherein the controller is configured to change the order of operating the other regions of the plurality of regions based on a user input.

8. The ultrasonic diagnostic apparatus according to claim 1 , wherein the controller is configured to adjust at least one of operation order, contraction strength, contraction time, expansion strength and expansion time of the pressure device based on a user input.

9. The ultrasonic diagnostic apparatus according to claim 1 , further comprising:

a display configured to display the generated image, and

wherein the display is configured to display a position of the probe determined based on the contact region of the probe.

10. A control method of an ultrasonic diagnostic apparatus which comprises a pressure device divided into a plurality of regions, the method comprising:

controlling the pressure device so that one region of the plurality of regions contracts or expands a blood vessel of an object;

irradiating an ultrasonic signal to the object and receiving the ultrasonic signal reflected from the object;

generating an image related to the blood vessel of the object based on the received ultrasonic signal; and

re-controlling the pressure device so that other regions of the plurality of regions are sequentially operated in,

wherein the pressure device comprises a detector configured to detect a pressure transmitted by a probe, and

the controlling comprises determining the one region of the pressure device based on a contact region of the probe transmitted by the detector.

11. The method according to claim 10 , wherein the pressure device is provided with a material capable of transmitting the ultrasonic signal.

12. The method according to claim 10 , wherein the pressure device is configured to contract or expand the blood vessel using at least one of voltage, air, fluid and oil.

13. The method according to claim 10 , wherein the generating comprises:

generating a color Doppler image based on the ultrasonic signal; and

determining the presence or absence of regurgitation of blood and the regurgitation occurrence time based on the generated color Doppler image.

14. The method according to claim 13 , wherein the controlling comprises:

re-controlling the pressure device to sequentially operate in the other regions of the plurality of regions based on a predetermined order and time after the color Doppler image is generated.

15. The method according to claim 10 , further comprising:

receiving an input command related to a test part of the object, and

wherein the controlling comprises:

determining a position of the pressure device based on the test part.

16. The method according to claim 10 , wherein the controlling comprises:

changing the order of operating the other regions of the plurality of regions based on a user's command.

17. The method according to claim 10 , wherein the controlling comprises:

adjusting at least one of operation order, contraction strength, contraction time, expansion strength and expansion time of the pressure device based on a user's command.

18. The method according to claim 10 , further comprising:

displaying the generated image, and

wherein the displaying comprises:

displaying a position of the probe determined based on the contact region.