ULTRASONIC DIAGNOSIS APPARATUS AND ULTRASONIC DIAGNOSIS SUPPORT INFORMATION PROVIDING METHOD

• US 20100331691A1
• Filed: 06/23/2010
• Published: 12/30/2010
• Est. Priority Date: 06/26/2009
• Status: Abandoned Application

• Current Assignee: Toshiba Medical Systems Corporation (Canon Inc.), Kabushiki Kaisha Toshiba (Toshiba Corporation)
• Original Assignee: Toshiba Medical Systems Corporation (Canon Inc.), Kabushiki Kaisha Toshiba (Toshiba Corporation)
• Inventors: Kamiyama, Naohisa, OKAMURA, Yoko
• Application Number:
  US12/821,729
• Publication Number:
  US 20100331691A1
• Time in Patent Office: Days
• US Class Current: 600/443
• CPC Class Codes: A61B 8/06 Measuring blood flow measuring volume flow in general G01F, e.g. G01F1/66, G01F1/72; measuring speed of fluids in general G01P5/00
• CPC Class Codes: A61B 8/08 Detecting organic movements or changes, e.g. tumours, cysts, swellings A61B8/02 - A61B8/06 take precedence
• CPC Class Codes: A61B 8/461 Displaying means of special interest
• CPC Class Codes: A61B 8/467 characterised by special input means
• CPC Class Codes: A61B 8/469 for selection of a region of interest
• CPC Class Codes: A61B 8/485 involving measuring strain or elastic properties

Abstract

Certain embodiments provide an ultrasonic diagnosis apparatus includes acquiring ultrasonic image data corresponding to each time phase in a first interval including at least one contraction and one stretching by scanning a diagnosis region of an object which repeats a contracting motion and a stretching motion, with an ultrasonic wave, accompanying application of a dynamic load including repetitive contraction and relaxation, over the first interval, generating velocity information of the diagnosis region associated with the contracting motion and the stretching motion by using the ultrasonic image data corresponding to each time phase in the first interval, deciding reference information as a reference for a period of the dynamic load by using the velocity information, and generating support information for supporting operation of applying the dynamic load by using the reference period and outputting the information in a predetermined form.

Claims

1. An ultrasonic diagnosis apparatus comprising:

an image data acquisition unit configured to acquire ultrasonic image data corresponding to each time phase in a first interval including at least one contraction and one stretching by scanning a diagnosis region of an object which repeats a contracting motion and a stretching motion, with an ultrasonic wave, accompanying application of a dynamic load including repetitive contraction and relaxation, over the first interval;

a velocity information generating unit configured to generate velocity information of the diagnosis region associated with the contracting motion and the stretching motion by using the ultrasonic image data corresponding to each time phase in the first interval;

a reference period decision unit configured to decide reference information as a reference for a period of the dynamic load by using the velocity information; and

an output unit configured to generate support information for supporting operation of applying the dynamic load by using the reference period and output the information in a predetermined form.

2. The apparatus according to claim 1, wherein the reference period decision unit determines at least a plurality of relax intervals with the dynamic load based on a time phase where a velocity included in the velocity information becomes zero and a velocity direction, and

decides the reference period by using the plurality of determined relax intervals.

3. The apparatus according to claim 1, wherein the reference period decision unit determines at least a plurality of compression intervals with the dynamic load based on a time phase where a velocity included in the velocity information becomes zero and a velocity direction, and decides the reference period by using the plurality of determined compression intervals.

4. The apparatus according to claim 1, wherein the reference period decision unit determines a plurality of compression intervals and a plurality of relax intervals with the dynamic load based on a time phase where a velocity included in the velocity information becomes zero and a velocity direction, and decides the reference period by using the plurality of determined compression intervals and the plurality of determined relax intervals.

5. The apparatus according to claim 1, wherein the reference period decision unit decides the reference period by averaging processing or approximation processing using an asymptotic value.

6. The apparatus according to claim 1, wherein the output unit outputs the support information in the form of visible informing that one of a compression period and a relaxation period is underway.

7. The apparatus according to claim 6, wherein the output unit displays a waveform indicating at least one of a compression period and a relaxation period as the support information.

8. The apparatus according to claim 1, wherein the output unit outputs the support information in the form of a sound informing that one of a compression period and a relaxation period is underway.

9. The apparatus according to claim 1, wherein the output unit outputs the support information in the form of a vibration informing that one of a compression period and a relaxation period is underway.

10. An ultrasonic diagnosis support information providing method comprising:

acquiring ultrasonic image data corresponding to each time phase in a first interval including at least one contraction and one stretching by scanning a diagnosis region of an object which repeats a contracting motion and a stretching motion, with an ultrasonic wave, accompanying application of a dynamic load including repetitive contraction and relaxation, over the first interval;

generating velocity information of the diagnosis region associated with the contracting motion and the stretching motion by using the ultrasonic image data corresponding to each time phase in the first interval;

deciding reference information as a reference for a period of the dynamic load by using the velocity information; and

generating support information for supporting operation of applying the dynamic load by using the reference period and outputting the information in a predetermined form.

11. The method according to claim 10, further comprising determining at least a plurality of relax intervals with the dynamic load based on a time phase where a velocity included in the velocity information becomes zero and a velocity direction, and deciding the reference period by using the plurality of determined relax intervals.

12. The method according to claim 10, further comprising determining at least a plurality of compression intervals with the dynamic load based on a time phase where a velocity included in the velocity information becomes zero and a velocity direction, and deciding the reference period by using the plurality of determined compression intervals.

13. The method according to claim 10, further comprising determining a plurality of compression intervals and a plurality of relax intervals with the dynamic load based on a time phase where a velocity included in the velocity information becomes zero and a velocity direction, and deciding the reference period by using the plurality of determined compression intervals and the plurality of determined relax intervals.

14. The method according to claim 10, wherein the reference period decision unit decides the reference period by averaging processing or approximation processing using an asymptotic value.

15. The method according to claim 10, wherein the support information is output in the form of visible informing that one of a compression period and a relaxation period is underway.

16. The method according to claim 10, wherein a waveform indicating at least one of a compression period and a relaxation period is displayed as the support information.

17. The method according to claim 10, wherein the support information is output in the form of a sound informing that one of a compression period and a relaxation period is underway.

18. The method according to claim 10, wherein the support information is output in the form of a vibration informing that one of a compression period and a relaxation period is underway.