System for acquiring a plurality of images of a patient and a controller for operating the same

• US 6,763,260 B2
• Filed: 10/05/2001
• Issued: 07/13/2004
• Est. Priority Date: 10/05/2001
• Status: Active Grant

• Current Assignee: GE Medical Systems Information Technologies Incorporated (General Electric Company)
• Original Assignee: GE Medical Systems Information Technologies Incorporated (General Electric Company)
• Inventors: Kohls, Mark
• Primary Examiner(s): IMAM, ALI M
• Application Number:
  US09/682,681
• Publication Number:
  US 20030069498A1
• Time in Patent Office: 1,012 Days
• Field of Search: 600/407-472, 606/130, 901/1, 901/2, 901/8, 901/6, 128/922, 128/898, 128/916, 424/9-1-, 382/62, 382/128, 382/153, 382/194, 382/195, 382/294, 378/4, 378/62, 378/205, 378/95
• US Class Current: 600/431
• CPC Class Codes: A61B 6/481 involving the use of contrast agents
• CPC Class Codes: A61B 6/504 for diagnosis of blood vessels, e.g. by angiography

Abstract

A system for acquiring a plurality of internal images of a patient. The system includes a housing connectable to a medium movement sensor. The medium movement sensor generates a movement signal regarding a movement of the medium. The housing is also connectable to an imaging device. The imaging device acquires the internal images upon receiving a control signal having an acquire output. The system further includes a controller secured to the housing. The controller is operable to receive the movement signal, to generate a control signal having an acquire output based on the movement signal, and to provide the control signal having an acquire output to the imaging device.

Claims

1. A system for acquiring a plurality of internal images of a patient, the system comprising:

a contrast medium injector operable to introduce a contrast medium into the patient, and to generate a movement signal relating to movement of the medium;

a controller in communication with the injector, the controller being operable to receive the movement signal, and to generate a control signal having an acquire output based on the movement signal; and

an imaging system having an imaging device that acquires internal images of the patient, the imaging system being operable to receive the control signal and to acquire the plurality of internal images in response to receiving the acquire output.

2. A system as set forth in claim 1 wherein the injector includes a medium movement sensor that generates the movement signal.

3. A system as set forth in claim 2 wherein the injector includes a catheter insertable within the patient, wherein the sensor is connected to the catheter, and wherein the movement signal includes a detect output signifying the medium passing through the catheter.

4. A system as set forth in claim 3 wherein the controller generates the acquire output upon receiving the detect output.

5. A system as set forth in claim 2 wherein the injector includes a catheter insertable within the patient and a tubing system having a valve, the tubing system being connected to the catheter, wherein the sensor is connected to the tubing system at a location, and wherein the movement signal includes a detect output signifying the medium passing through the location where the sensor is connected to the tubing system.

6. A system as set forth in claim 5 wherein the controller generates the acquire output at a delay after receiving the detect output.

7. A system as set forth in claim 2 wherein the injector includes a second medium movement sensor for generating a second movement signal regarding a movement of the medium, wherein the controller is in communication with the second sensor, and wherein the controller receives the second movement signal and generates an activate output in the control signal based on the second movement signal.

8. A system as set forth in claim 7 wherein the imaging device includes a tube, and wherein the imaging system activates the tube in response to receiving the activate output.

9. A system as set forth in claim 7 wherein the injector includes a catheter insertable within the patient and a tubing system having a valve, the tubing system being connected to the catheter, wherein the first sensor is connected to the catheter, wherein the first movement signal includes a first detect signal signifying the medium passing through the catheter, wherein the second sensor is connected to the tubing system at a location, wherein the second movement signal includes a second detect output signifying the medium passing through the location where the sensor is connected to the tubing system.

10. A system as set forth in claim 9 wherein the controller generates the activate output upon receiving the second detect output, and wherein the controller generates the acquire output upon receiving the first detect output.

11. A system as set forth in claim 10 wherein the imaging device includes a tube, and wherein the imaging system activates the tube in response to receiving the activate output.

12. A system as set forth in claim 1 wherein the plurality of images are digital images, and the system further comprises a digital storage device for storing the plurality of images.

13. A system as set forth in claim 1 wherein the imaging device includes a tube that emits radiation, a detector that receives the radiation and converts the radiation into the plurality of images, and a video stream that transmits the plurality of images.

14. A system as set forth in claim 13 wherein the imaging system is an x-ray system, and the tube is an x-ray tube.

15. A system as set forth in claim 1 wherein the imaging system includes the controller.

16. A system as set forth in claim 1 wherein the injector includes the controller.

17. A system as set forth in claim 1 wherein the controller is in communication with the injector and the imaging system.

18. A system as set forth in claim 1 wherein the system further comprises a patient monitor that generates a monitor signal regarding a physiological condition of the patient, wherein the controller is in communication with the monitor, and wherein the controller receives the monitor signal and generates the control signal having a cease output based in part on the monitor signal.

19. A system as set forth in claim 18 wherein the imaging system ceases acquiring the plurality of internal images in response to receiving the cease output.

20. A system as set forth in claim 18 wherein the patient monitor is a hemodynamic monitoring system.

21. A system for acquiring a plurality of images of a patient comprising:

a housing connectable to a medium movement sensor that generates a movement signal regarding a movement of a medium, and to an imaging device that acquires the images upon receiving a control signal having an acquire output; and

a controller secured to the housing, the controller being operable to receive the movement signal, to generate the control signal having an acquire output based on the movement signal, and to communicate the control signal having an acquire output to the imaging device.

22. A system as set forth in claim 21 wherein the system further comprises a contrast medium injector, and wherein the contrast medium injector includes the housing.

23. A system as set forth in claim 22 wherein the system further comprises an imaging system having the imaging device, and wherein the housing is connected to the imaging system.

24. A system as set forth in claim 23 wherein the system further comprises a physiological monitoring system, and wherein the housing is connected to the physiological monitoring system.

25. A system as set forth in claim 22 wherein the system further comprises the medium movement sensor, and wherein the housing is connected to the medium movement sensor.

26. A system as set forth in claim 25 wherein the injector includes the sensor.

27. A system as set forth in claim 21 wherein the system further comprises an imaging system including the imaging device, and wherein the imaging system includes the housing.

28. A system as set forth in claim 27 wherein the system further comprises a medium movement sensor, and wherein the housing is connected to the medium movement sensor.

29. A system as set forth in claim 27 wherein the system further comprises a contrast medium injector operable to introduce the contrast medium within the patient, and wherein the sensor is connected to the injector.

30. A system as set forth in claim 29 wherein the injector includes the sensor.

31. A system as set forth in claim 28 wherein the system further includes a physiological patient monitor, and wherein the housing is connected to the physiological patient monitor.

32. A system as set forth in claim 21 wherein the system further comprises a physiological monitoring device, and wherein the physiological monitoring device includes the housing.

33. A system as set forth in claim 32 wherein the system further comprises an imaging system including the imaging device, and wherein the housing is connected to the imaging device.

34. A system as set forth in claim 33 wherein the system further comprises a medium movement sensor, and wherein the housing is connected to the medium movement sensor.

35. A system as set forth in claim 34 wherein the system further comprises a contrast medium injector operable to introduce the contrast medium within the patient, and wherein the sensor is connected to the injector.

36. A system as set forth in claim 35 wherein the injector includes the sensor.

37. A system as set forth in claim 21 wherein the system further comprises a medium movement sensor and wherein the housing is connected to the medium movement sensor.

38. A system as set forth in claim 37 wherein the system further comprises a contrast medium injector operable to introduce the contrast medium within the patient, and wherein the sensor is connected to the injector.

39. A system as set forth in claim 38 wherein the injector includes the sensor.

40. A system as set forth in claim 39 wherein the injector includes a catheter insertable within the patient, wherein the sensor is connected to the catheter, and wherein the movement signal includes a detect output signifying the medium passing through the catheter.

41. A system as set forth in claim 40 wherein the controller generates the acquire output upon receiving the detect output.

42. A system as set forth in claim 38 wherein the injector includes a catheter insertable within the patient and a tubing system having a valve, the tubing system being connected to the catheter, wherein the sensor is connected to the tubing system at a location, and wherein the movement signal includes a detect output signifying the medium passing through the location where the sensor is connected to the tubing system.

43. A system as set forth in claim 42 wherein the controller generates the acquire output at a delay after receiving the detect output.

44. A system as set forth in claim 37 wherein the system further includes a second medium movement sensor for generating a second movement signal regarding a movement of the medium, wherein the controller is in communication with the second sensor, and wherein the controller receives the second movement signal and generates an activate output in the control signal based on the second movement signal.

45. A system as set forth in claim 44 wherein the system further comprises an imaging system having the imaging device, and wherein the housing is connected to the imaging system.

46. A system as set forth in claim 45 wherein the imaging device includes a tube, and wherein the imaging system activates the tube in response to receiving the activate output.

47. A system as set forth in claim 46 wherein the plurality of images are digital images, and wherein the system further comprises a digital storage device for storing the plurality of images.

48. A system as set forth in claim 46 wherein the system further comprises a contrast medium injector operable to introduce the contrast medium within the patient, and wherein the first and second sensors are connected to the injector.

49. A system as set forth in claim 48 wherein the injector includes a catheter insertable within the patient and a tubing system having a valve, the tubing system being connected to the catheter, wherein the first sensor is connected to the catheter, wherein the first movement signal includes a first detect signal signifying the medium passing through the catheter, and wherein the second sensor is connected to the tubing system at a location, wherein the second movement signal includes a second detect output signifying the medium passing through the location where the sensor is connected to the tubing system.

50. A system as set forth in claim 49 wherein the controller generates the activate output upon receiving the second detect output, and wherein the controller generates the acquire output upon receiving the first detect output.

51. A method of acquiring a plurality of images of a patient, the method comprising:

determining when a contrast medium is entering the patient;

generating an acquire output when the contrast medium enters the patient;

providing the acquire output to an imaging device; and

acquiring the plurality of images with the imaging device upon receiving the acquire output.

52. A method as set forth in claim 51 wherein determining when the contrast medium is entering the patient includes:

attaching a medium movement sensor to a contrast medium injector, and

generating a movement signal with the sensor regarding a movement of the medium within the injector.

53. A method as set forth in claim 52 wherein the contrast medium injector includes a catheter insertable within the patient, wherein attaching a medium movement sensor to the contrast medium injector includes attaching the sensor to the catheter, and wherein generating the movement signal includes generating a detect output signifying the medium passing through the catheter.

54. A method as set forth in claim 53 wherein generating an acquiring output includes generating the acquiring output in response to the generating the detect output.

55. A method as set forth in claim 52 wherein the contrast medium injector includes a catheter insertable within the patient and a tubing system having a valve, wherein attaching a medium movement sensor to the contrast medium injector includes attaching the sensor to the tubing system at a location, and wherein generating the movement signal includes generating a detect output signifying the medium passing through the location where the sensor is connected to the tubing system.

56. A method as set forth in claim 55 wherein generating an acquire output includes generating the acquire output in response to the generating the detect output.

57. A method as set forth in claim 55 wherein the generating the acquire output in response to the generating of the detect output includes generating the acquire output at a delay after generating the detect output.

58. A method as set forth in claim 52 wherein determining when the contrast medium is entering the patient further includes:

attaching a second medium movement sensor to contrast medium indicator, and

generating a second movement signal with the sensor regarding a movement of the medium within the injector.

59. A method as set forth in claim 58 wherein attaching a first medium movement sensor to the contrast medium injector includes attaching the first sensor to the catheter, wherein generating the first movement signal includes generating a first detect output signifying the medium passing through the catheter, wherein attaching the second medium movement sensor to the contrast medium injector includes attaching the second sensor to the tubing system at a location, and wherein generating the second movement signal includes generating a second detect output signifying the medium passing through the location where the sensor is connected to the tubing system.

60. A method as set forth in claim 59 wherein generating an acquire output includes generating the acquire output in response to generating the first detect output, and wherein the method further comprising generating an activate output in response to generating the second detect output.

61. A method as set forth in claim 60 wherein the imaging device includes a tube, and wherein the method further comprises:

providing the activate output to the imaging device; and

activating the tube upon receiving the activating output.

62. A method as set forth in claim 51 wherein the plurality of images are digital images, and wherein the method further comprises storing the acquired plurality of images.

63. A method as set forth in claim 62 wherein the imaging device includes a tube, and wherein the acquiring the plurality of images includes

emitting radiation with the tube,

detecting the radiation,

converting the radiation into a plurality of images,

and streaming the plurality of images.

64. A method as set forth in claim 63 wherein the tube is an x-ray tube.

65. A method as set forth in claim 51 and further comprising:

monitoring a physiological signals of the patient;

generating a cease output based in part on the physiological signal;

providing the cease output to the imaging device;

ceasing the acquiring of the plurality of images with the imaging device upon receiving the cease output.

66. A method as set forth in claim 51 wherein the method further comprises providing a contrast medium injector including a tubing system having a valve, and wherein the determining when a contrast medium is entering the patient includes estimating the location of the medium within the tubing system.

67. A method as set forth in claim 66 wherein estimating the location of the medium includes opening the valve and starting a timer in response to opening the valve.

68. A method of acquiring a plurality of internal images of a patient, the method comprising:

initiating movement of a contrast medium, the medium to enter the patient;

generating a movement signal relating to the movement of the medium;

generating an acquire output based on the movement signal; and

acquiring the plurality of images in response to receiving the acquire output.

69. A method as set forth in claim 68, wherein the act of acquiring includes:

sensing movement of the medium with a medium movement sensor;

generating a detect output in the movement signal when the sensor senses movement of the medium; and

generating the acquire output based on the detect output.

70. A method as set forth in claim 68 and further comprising:

attaching a medium movement sensor to a contrast medium injector, and

generating the movement signal with the sensor regarding a movement of the medium within the injector.

71. A method as set forth in claim 70 wherein the contrast medium injector includes a catheter insertable within the patient, wherein attaching a medium movement sensor to the contrast medium injector includes attaching the sensor to the catheter, and wherein generating the movement signal includes generating a detect output signifying the medium passing through the catheter.

72. A method as set forth in claim 70 wherein the contrast medium injector includes a catheter insertable within the patient and a tubing system having a valve, wherein attaching a medium movement sensor to the contrast medium injector includes attaching the sensor to the tubing system at a location, and wherein generating the movement signal includes generating a detect output signifying the medium passing through the location where the sensor is connected to the tubing system.

73. A method as set forth in claim 70 wherein determining when the contrast medium is entering the patient further includes:

attaching a second medium movement sensor to contrast medium indicator, and

generating a second movement signal with the sensor regarding a movement of the medium within the injector.

74. A method as set forth in claim 73 wherein attaching a first medium movement sensor to the contrast medium injector includes attaching the first sensor to the catheter, wherein generating the first movement signal includes generating a first detect output signifying the medium passing through the catheter, wherein attaching the second medium movement sensor to the contrast medium injector includes attaching the second sensor to the tubing system at a location, and wherein generating the second movement signal includes generating a second detect output signifying the medium passing through the location where the sensor is connected to the tubing system.

75. A method as set forth in claim 68 wherein the plurality of images are digital images, and wherein the method further comprises storing the acquired plurality of images.

76. A method as set forth in claim 75 wherein the acquiring the plurality of images includes

emitting radiation,

detecting the radiation,

converting the radiation into a plurality of images, and

streaming the plurality of images.