X-ray diagnosis apparatus
View Patent ↗An X-ray diagnosis apparatus including an X-ray detector which has a plurality of detection elements. On the X-ray detector, there is a first area and a second area. A readout unit reads out an electric charge from a detection element on the first area before reading out the electric charge from a detection element on the second area. A display unit displays an X-ray image data which is created by the electric charge read out from the detection element on the second area.
1. An X-ray diagnosis apparatus, comprising:
an X-ray source;
a first X-ray detector positioned in relation to the X-ray source, said first X-ray detector including a first plurality of detection elements which are arranged in a first direction and a second direction;
a first readout unit connected to the first X-ray detector and configured to read out electric charges from a second area of the first X-ray detector before reading out electric charges from a first area of the first X-ray detector;
a first signal converter connected to the readout unit and configured to convert the electric charge read out from the first area of the first X-ray detector to X-ray image data;
a second X-ray detector positioned in relation to the X-ray source, said second X-ray detector including a first plurality of detection elements which are arranged in the first direction and the second direction;
a second readout unit connected to the second X-ray detector and configured to read out electric charges from a second area of the second X-ray detector before reading out electric charges from a first area of the second X-ray detector;
a second signal converter connected to the readout unit and configured to convert the electric charge read out from the first area of the second X-ray detector to X-ray image data; and
a display unit connected to the first and second signal converters and configured to display the X-ray image data,
wherein the first and second readout units are controlled to read out the electric charges from the first area of the respective first and second X-ray detectors in parallel and from outer row to inner row.
2. The X-ray diagnosis apparatus according to claim 1 , wherein the X-ray detector comprises:
a gate wire connecting the readout unit to a first subset of the plurality of detection elements, the first subset aligned in a first direction; and
an output wire connecting the signal converter to a second subset of the plurality of detection elements, said second subset aligned in a second direction.
3. The X-ray diagnosis apparatus according to claim 2 , wherein a number of the X-ray detection elements aligned in the first direction on the first area is equal to a number of the X-ray detection elements aligned in the first direction on the second area.
4. The X-ray diagnosis apparatus according to claim 2 , wherein the first area is adjacent to the second area.
5. The X-ray diagnosis apparatus according to claim 4 , wherein the readout unit comprises:
a readout unit configured to read out electric charge from a subset of the first area.
6. An X-ray diagnosis apparatus, comprising:
an X-ray source;
a first X-ray detector positioned in relation to the X-ray source and including a first plurality of X-ray detection elements arranged in a first direction and a second direction, said plurality of X-ray detection elements configured to convert detected X-rays to electric charges;
a controller operably connected to the first X-ray detector and configured to establish a setable imaging area within a first area of the first X-ray detector;
a controller input unit operably connected to the controller;
a first readout unit connected to the first X-ray detector and configured to read out an electric charge from an X-ray detection element from a second area of the first X-ray detector which is outside of the first area before reading out an electric charge from a detection element from the setable imaging area;
a first signal converter connected to the readout unit and configured to convert the electric charge read out from the X-ray detection element from the setable imaging area to X-ray image data;
a display unit connected to the signal converter and configured to display the X-ray image data;
a second X-ray detector positioned in relation to the X-ray source and including a second plurality of X-ray detection elements arranged in the first direction and the second direction, said second plurality of X-ray detection elements configured to convert detected X-rays to electric charges;
a second readout unit connected to the second X-ray detector and configured to read out an electric charge from an X-ray detection element from a second area of the second X-ray detector which is outside of a first area of the X-ray detector before reading out an electric charge from a detection element from the setable imaging area in the second X-ray detector, said setable imaging area in the second X-ray detector established by the controller; and
a second signal converter connecting the second readout unit to the display unit,
wherein the first and second readout units are controlled to read out the electric charges from the respective first and second X-ray detectors according to a predetermined reading pattern, including reading from the respective first areas of the first and second X-ray detectors in parallel and from outer row to inner row.
7. The X-ray diagnosis apparatus according to claim 6 , wherein the readout unit comprises:
a readout unit configured to read out an electric charge of an X-ray detection element in a portion of the first area that is other than the setable imaging area.
8. The X-ray diagnosis apparatus according to claim 6 , further comprising:
an amplifier connecting the read out unit to the signal converter, said amplifier configured to cut the electric charge read out from the X-ray detection element from the second area and to amplify the electric charge read out from the X-ray detection element from the setable imaging area.
9. The X-ray diagnosis apparatus according to claim 6 , further comprising:
an amplifier connecting the read out unit to the signal converter, said amplifier configured to amplify the electric charge read out from the X-ray detection element from the setable imaging area in an amplification range based on a size parameter of the imaging area.
10. The X-ray diagnosis apparatus according to claim 6 , wherein the X-ray detector comprises:
a gate wire connecting a first subset of the plurality of X-ray detection elements to the readout unit, said first subset aligned in the first direction; and
an output wire connecting a second subset of the plurality of X-ray detection elements to the signal converter, said second subset aligned in a second direction.
11. The X-ray diagnosis apparatus according to claim 10 , wherein a number of the X-ray detection elements in the first direction on the first area is equal to a number of the X-ray detection elements in the first direction on the second area.
12. The X-ray diagnosis apparatus according to claim 10 , wherein the first area is adjacent to the second area.
13. The X-ray diagnosis apparatus according to claim 12 , wherein the readout unit comprises:
a read out unit configured to read out an electric charge from a detection element from a subset of the first area.
14. An X-ray diagnosis apparatus, comprising:
an X-ray source;
a first X-ray detector positioned in relation to the X-ray source and including a first plurality of detection elements arranged in a first direction and a second direction and configured to change a detected X-ray to an electric charge;
a first readout unit connected to the first X-ray detector and configured to read out an electric charge from a detection element on a second area of the first X-ray detector before reading out an electric charge from a detection element on a first area of the X-ray detector;
an amplifier connected to the X-ray detector and configured to cut the electric charge read out from the detection element on the second area and to amplify the electric charge read out from the detection element on at least a part of the first area;
a signal converter connected to the amplifier and configured to convert the amplified electric charge to an X-ray image data;
a display unit connected to the signal converter and configured to display the X-ray image data;
a second X-ray detector positioned in relation to the X-ray source and including a second plurality of X-ray detection elements arranged in the first direction and the second direction, said second plurality of X-ray detection elements configured to convert detected X-rays to electric charges;
a second readout unit connected to the second X-ray detector and configured to read out an electric charge from an X-ray detection element from a second area of the second X-ray detector which is outside of a first area of the X-ray detector before reading out an electric charge from a detection element from the setable imaging area in the second X-ray detector, said setable imaging area in the second X-ray detector established by the controller; and
a second signal converter connecting the second readout unit to the display unit,
wherein the first and second readout units are controlled to read out the electric charges from the respective first and second X-ray detectors according to a predetermined reading pattern, including reading from the respective first areas of the first and second X-ray detectors in parallel and from outer row to inner row.
15. An X-ray diagnosis apparatus, comprising:
an X-ray source;
a first X-ray detector positioned in relation to the X-ray source including a first plurality of detection elements arranged in a first direction and a second direction and configured to change a detected X-ray to an electric charge;
an input unit operably connected to the X-ray detector and configured to input an imaging area in the X-ray detector and corresponding to an object to be irradiated;
a first readout unit connected to the first X-ray detector and configured to read out the electric charge from a detection element on a second area of the first X-ray detector before reading out an electric charge from a detection element on a first area of the X-ray detector;
an amplifier connected to the X-ray detector and configured to amplify the electric charge read out from a detection element on the imaging area in an amplification range determined based on the imaging area;
a first signal converter connected to the amplifier and configured to convert the amplified electric charge to an X-ray image data;
a display unit connected to the signal converter and configured to display the X-ray image data;
a second X-ray detector positioned in relation to the X-ray source and including a second plurality of X-ray detection elements arranged in the first direction and the second direction, said second plurality of X-ray detection elements configured convert detected X-rays to electric charges;
a second readout unit connected to the second X-ray detector and configured to read out an electric charge from an X-ray detection element from a second area of the second X-ray detector which is outside of a first area of the X-ray detector before reading out an electric charge from a detection element from the setable imaging area in the second X-ray detector, said setable imaging area in the second X-ray detector established by the controller; and
a second signal converter connecting the second readout unit to the display unit,
wherein the first and second readout units are controlled to read out the electric charges from the respective first and second X-ray detectors according to a predetermined reading pattern, including reading from the respective first areas of the first and second X-ray detectors in parallel and from outer row to inner row.
16. A method for controlling an X-ray diagnosis apparatus, comprising:
irradiating an object with an X-ray;
detecting an X-ray penetrating through the object
first changing the detected X-ray to an electric charge with a first X-ray detector including a first plurality of detection elements arranged in a first direction and a second direction;
first reading out an electric charge from a detection element on a second area of the first X-ray detector before reading out an electric charge from a detection element on a first area of the first X-ray detector;
first converting the electric charge read out from the first detection element of the first X-ray detector on the first area to X-ray image data;
second changing the detected X-ray to an electric charge with a second X-ray detector including a second plurality of detection elements arranged in the first direction and the second direction;
second reading out an electric charge from a detection element on a second area of the second X-ray detector before reading out an electric charge from a detection element on a first area of the second X-ray detector;
second converting the electric charge read out from the second detection element of the second X-ray detector on the first area to X-ray image data; and
displaying the X-ray image data,
wherein the first and second reading out are controlled to read out the electric charges from the respective first and second X-ray detectors according to a predetermined reading pattern including reading the first areas of the respective first and second X-ray detectors in parallel and from outer row to inner row.