Claims
- 1. A computerized tomography apparatus comprising:
- scan means for successively scanning a slice region in a subject during a scanning operation;
- reconstruction means for successively reconstructing tomographic image data regarding the slice region based on projection data obtained by said scan means during the scanning operation;
- display means for displaying the reconstructed tomographic image data during the scanning operation;
- a couch having a movable top board for placement of the subject and means for moving the top board to change the slice region;
- means for displaying a scanogram regarding the subject with a line cursor;
- input means for changing the position of the line cursor on the scanogram; and
- control means for controlling said couch so that a position of the slice region is changed in accordance with the changed position of the line cursor during the scanning operation.
- 2. The computerized tomography apparatus according to claim 1, in which said scan means includes an X-ray tube, power supply means for supplying power to said X-ray tube to cause it to emit X-rays, and a rotating mechanism for rotating said X-ray tube around said subject under examination continuously, and in which said control means controls said rotating mechanism to keep said X-ray tube rotating while said top board is moved.
- 3. The computerized tomography apparatus according to claim 1, in which said scan means includes an X-ray tube, power supply means for supplying power to said X-ray tube to cause it to emit X-rays, and a rotating mechanism for rotating said X-ray tube around said subject under examination continuously; and in which said control means controls said power supply means to stop said X-ray tube emitting X-rays while said top board is moved.
- 4. The computerized tomography apparatus according to claim 1, in which said couch supports said top board so that it can move in the direction of its length.
- 5. The computerized tomography apparatus according to claim 1, in which said couch supports said top board so that it can move in the direction of its width.
Priority Claims (3)
Number |
Date |
Country |
Kind |
5-296346 |
Nov 1993 |
JPX |
|
6-067343 |
Apr 1994 |
JPX |
|
6-267280 |
Oct 1994 |
JPX |
|
Parent Case Info
This is a Division, of application Ser. No. 08/347,236 filed on Nov. 23, 1994 now U.S. Pat. No. 5,513,237.
US Referenced Citations (9)
Foreign Referenced Citations (1)
Number |
Date |
Country |
2499734 |
Aug 1982 |
FRX |
Divisions (1)
|
Number |
Date |
Country |
Parent |
347236 |
Nov 1994 |
|