Radiant ray generation control apparatus, radiation imaging system, and method for controlling the same

• US 10,368,826 B2
• Filed: 02/19/2016
• Issued: 08/06/2019
• Est. Priority Date: 04/19/2012
• Status: Active Grant

• Current Assignee: Canon Kabushiki Kaisha (Canon Inc.)
• Original Assignee: Canon Kabushiki Kaisha (Canon Inc.)
• Inventors: Tamura, Toshikazu, Hiroike, Taro, Iijima, Tadahiko, Ohguri, Hirokazu, Ishioka, Toshiya
• Primary Examiner(s): Ho, Allen C.
• Application Number:
  US15/048,758
• Publication Number:
  US 20160174350A1
• Time in Patent Office: 1,264 Days
• Field of Search: 378 62, 378 91, 378114, 378115
• CPC Class Codes: A61B 6/42 Arrangements for detecting radiation specially adapted for radiation diagnosis
• CPC Class Codes: A61B 6/4208 characterised by using a particular type of detector
• CPC Class Codes: A61B 6/4233 using matrix detectors
• CPC Class Codes: A61B 6/4266 characterised by using a plurality of detector units A61B6/4014 takes precedence
• CPC Class Codes: A61B 6/4283 characterised by a detector unit being housed in a cassette
• CPC Class Codes: A61B 6/4405 the apparatus being movable or portable, e.g. handheld or mounted on a trolley
• CPC Class Codes: A61B 6/4411 the apparatus being modular A61B6/4283 takes precedence
• CPC Class Codes: A61B 6/4441 the rigid structure being a C-arm or U-arm
• CPC Class Codes: A61B 6/465 adapted to display user selection data, e.g. graphical user interface, icons or menus
• CPC Class Codes: A61B 6/54 Control of apparatus or devices for radiation diagnosis
• CPC Class Codes: A61B 6/542 involving control of exposure
• CPC Class Codes: A61B 6/548 Remote control of the apparatus or devices
• CPC Class Codes: A61B 6/56 Details of data transmission or power supply, e.g. use of slip rings
• CPC Class Codes: A61B 6/563 involving image data transmission via a network
• CPC Class Codes: A61B 6/566 involving communication between diagnostic systems
• CPC Class Codes: H05G 1/30 Controlling
• CPC Class Codes: H05G 1/32 Supply voltage of the X-ray apparatus or tube
• CPC Class Codes: H05G 1/34 Anode current, heater current or heater voltage of X-ray tube
• CPC Class Codes: H05G 1/38 Exposure time time switches in general H01H43/00 and subgroups
• CPC Class Codes: H05G 1/40 using adjustable time-switch
• CPC Class Codes: H05G 1/42 : using arrangements for switching when a predetermined dose of radiation has been applied, e.g. in which the switching instant is determined by measuring the electrical energy supplied to the tube
• CPC Class Codes: H05G 1/44 : in which the switching instant is determined by measuring the amount of radiation directly dosimetry in general G01T1/02
• CPC Class Codes: H05G 1/46 : Combined control of different quantities, e.g. exposure time as well as voltage or current
• CPC Class Codes: H05G 1/56 : Switching-on; Switching-off

Abstract

A radiation imaging control apparatus includes an exposure switch configured to instruct radiation emission, an acquisition unit configured to acquire a first signal indicating that the exposure switch is pressed, a first connection unit configured to detachably connect with a control unit of a radiant ray detector to transmit a second signal indicating the driving state of the radiant ray detector, a second connection unit configured to detachably connect with a control unit of a radiant ray generation apparatus to transmit a specific signal, and a control unit configured to perform control to output the specific signal via the second connection unit upon acquisition of the first and second signals, wherein the second connection unit is a connector for making wired connection.

Claims

1. An X-ray generation control apparatus comprising:

an exposure switch;

a first connection unit connected to an X-ray detector and configured to receive a second signal from the X-ray detector;

a second connection unit connected to an X-ray generation apparatus and configured to transmit a specific signal;

a memory storing instructions; and

one or more processors that, upon execution of the instructions, are configured to operate as;

an acquisition unit configured to acquire a first signal indicating that the exposure switch to instruct radiation emission is pressed; and

a control unit configured to output the specific signal via the second connection unit in response to acquisition of the first signal and reception of the second signal,

wherein the specific signal is either the first signal or the second signal.

2. The X-ray generation control apparatus according to claim 1,

wherein the first connection unit is detachably connected to the X-ray detector, and

wherein the second connection unit is detachably connected to the X-ray generation apparatus.

3. The X-ray generation control apparatus according to claim 1, wherein the second connection unit comprises a connector to wired connection.

4. The X-ray generation control apparatus according to claim 1, further comprising a relaying portion, wherein the second connection unit is connected to the relaying portion for relaying connection and transmitting the specific signal to the X-ray generation apparatus.

5. The X-ray generation control apparatus according to claim 1, wherein the control unit is configured to output the first signal as the specific signal via the second connection unit in response to reception of the second signal indicating a driving state of the X-ray generation apparatus.

6. The X-ray generation control apparatus according to claim 1, wherein the control unit is configured to output a third signal for requesting information on a driving state of the X-ray detector via the first connection unit in response to reception of the first signal.

7. The X-ray generation control apparatus according to claim 1, wherein the second signal is a signal indicating whether the X-ray detector is being capable of imaging.

8. The X-ray generation control apparatus according to claim 1, wherein the control unit is configured to output the specific signal in order to terminate X-ray emission from the X-ray generation apparatus in accordance with the second signal from the X-ray detector.

9. The X-ray generation control apparatus according to claim 1, wherein the control unit is configured to output the specific signal while the exposure switch is pressed, and terminate output of the specific signal in accordance with the second signal from the X-ray detector.

10. An X-ray imaging system comprising:

an X-ray generation apparatus configured to generate an X-ray;

an X-ray detector configured to detect the X-ray and acquire an X-ray image;

an image control unit; and

an X-ray generation control apparatus including;

an exposure switch;

a first connection unit connected to the X-ray detector and configured to receive a second signal from the X-ray detector;

a second connection unit connected to the X-ray generation apparatus and configured to transmit a specific signal;

a memory storing instructions; and

one or more processors that, upon execution of the instructions, are configured to operate as;

an acquisition unit configured to acquire a first signal indicating that the exposure switch to instruct radiation emission is pressed; and

a control unit configured to output the specific signal via the second connection unit in response to acquisition of the first signal and reception of the second signal,

wherein the specific signal is either the first signal or the second signal,

wherein the X-ray generation apparatus is controlled by the X-ray generation control apparatus, and

the image control unit is configured to control the X-ray generation control apparatus and the X-ray detector.

11. A control method comprising:

connecting a first connection unit of an exposure switch to an X-ray detector, the first connection unit configured to receive a second signal from the X-ray detector;

connecting a second connection unit of the exposure switch to an X-ray generation apparatus, the second connection unit configured to transmit a specific signal;

acquiring a first signal indicating that the exposure switch is pressed; and

controlling the X-ray generation apparatus by outputting the specific signal via the second connection unit to the X-ray generation apparatus in response to acquisition of the first signal and reception of the second signal,

wherein the specific signal is either the first signal or the second signal.