Medical image diagnostic apparatus, and medical image processing apparatus

1. A medical image diagnostic apparatus comprising:

an imaging apparatus configured to acquire medical images of an object at respective time phases;

a memory circuit;

a display; and

processing circuitry configured to

detect respective positions of a treatment device in the medical images,

acquire biological information from the medical images,

compute biological indexes, each of which indicates degree of a treatment effect, for the respective time phases based on the biological information,

cause the memory circuit to store the biological indexes and the respective positions of the treatment device in the medical images in such a manner that each biological index is associated with a position of the treatment device in a medical image, from which the biological information corresponding to the each biological index is acquired, for the respective time phases, and

cause the display to display each position of the treatment device and a biological index associated with the each position of the treatment device.

2. The medical image diagnostic apparatus according to claim 1 ,

wherein the processing circuitry is configured to compute the biological indexes corresponding to respective positions on a moving trace of the treatment device, by analyzing plural sets of biological information acquired for the respective positions on the moving trace of the treatment device; and

the display is configured to superimpose and display the biological indexes on the respective positions on the moving trace of the treatment device.

3. The medical image diagnostic apparatus according to claim 1 ,

wherein the display is configured to superimpose and display the biological indexes on respective positions on a moving trace of the treatment device in such a manner that a display aspect is different for each biological index.

4. The medical image diagnostic apparatus according to claim 2 ,

wherein the display is configured to display the respective positions on the moving trace of the treatment device in chromatic colors, which are assigned to the respective positions on the moving trace of the treatment device depending on difference in biological index.

5. The medical image diagnostic apparatus according to claim 1 ,

wherein the processing circuitry is configured to compute an appropriate placement position of the treatment device based on the biological indexes; and

the display is configured to display the appropriate placement position of the treatment device.

6. The medical image diagnostic apparatus according to claim 1 ,

wherein the processing circuitry is configured to

treat each of the medical images as a first medical image,

treat a medical image, which is acquired by imaging a same object as the first medical image before acquisition of the first medical image, as a second medical image, and

perform positioning between the first medical image and the second medical image; and

the display is configured to superimpose and display at least one biological index on at least one of the first medical image and the second medical image.

7. The medical image diagnostic apparatus according to claim 6 ,

wherein the second medical image is four-dimensional image data including three-dimensional image and time phase data of the three-dimensional image; and

the processing circuitry is configured to synchronize the first medical image with the second medical image based on the time phase data.

8. The medical image diagnostic apparatus according to claim 6 ,

wherein the display is configured to display the first medical image and the second medical image in parallel.

9. The medical image diagnostic apparatus according to claim 6 ,

wherein the second medical image is an image obtained by performing volume rendering processing on the four-dimensional image data; and

the display is configured to superimpose and display the biological indexes on respective positions on a moving trace of the treatment device on the second medical image.

10. The medical image diagnostic apparatus according to claim 6 ,

wherein the second medical image is an image obtained by performing curved MPR (Multi Planer Reconstruction) processing on four-dimensional image data; and

the display is configured to superimpose and display the biological indexes on respective positions on a moving trace of the treatment device on the second medical image.

11. The medical image diagnostic apparatus according to claim 1 ,

wherein the display is configured to display respective biological indexes computed based on plural sets of biological information, the plural sets of biological information being acquired from respective acquisition periods.

12. The medical image diagnostic apparatus according to claim 6 ,

wherein the processing circuitry is configured to

extract an anatomically characteristic part of at least one of an atrium, a ventricle, a coronary vein, an aorta, an aortic valve, and a mitral valve, and

perform the positioning between the first medical image and the second medical image based on the anatomically characteristic part.

13. The medical image diagnostic apparatus according to claim 1 ,

wherein the processing circuitry is configured to extract at least one of a lead-wire tip of an implantable defibrillator, a tip of an ablation catheter, a stent, an artificial valve, and a mitral clip, as the treatment device.

14. The medical image diagnostic apparatus according to claim 6 ,

wherein the processing circuitry is configured to compute the biological indexes based on biological information which is acquired from at least one of an electrocardiogram, an ultrasonic image, and the second medical image.

15. A medical image processing apparatus comprising:

a memory circuit;

a display; and

processing circuitry configured to

acquire medical images of an object at respective time phases,

detect respective positions of a treatment device in the medical images,

acquire biological information from the medical images,

compute biological indexes, each of which indicates degree of a treatment effect, for the respective time phases based on the biological information,

cause the memory circuit to store the biological indexes and the respective positions of the treatment device in the medical images in such a manner that each biological index is associated with a position of the treatment device in a medical image, from which the biological information corresponding to the each biological index is acquired, for the respective time phases, and

cause the display to display each position of the treatment device and a biological index associated with the each position of the treatment device.