Patient visual instruction techniques for synchronizing breathing with a medical procedure

• US 7,769,430 B2
• Filed: 09/30/2004
• Issued: 08/03/2010
• Est. Priority Date: 06/26/2001
• Status: Expired due to Fees

• Current Assignee: Varian Medical Systems Incorporated (Siemens AG)
• Original Assignee: Varian Medical Systems Incorporated (Siemens AG)
• Inventors: Mostafavi, Hassan
• Primary Examiner(s): Le; Long V
• Assistant Examiner(s): Cheng; Jacqueline
• Application Number:
  US10/957,009
• Publication Number:
  US 20050119560A1
• Time in Patent Office: 2,133 Days
• Field of Search: 600/425, 600/428, 378/4, 378/8, 378/95
• US Class Current: 600/428
• CPC Class Codes: A61B 2090/371 with simultaneous use of two cameras
• CPC Class Codes: A61B 5/055 involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
• CPC Class Codes: A61B 5/1127 using markers
• CPC Class Codes: A61B 5/1135 by monitoring thoracic expansion
• CPC Class Codes: A61B 5/7285 for synchronising or triggering a physiological measurement or image acquisition with a physiological event or waveform, e.g. an ECG signal A61B6/5205, A61B6/541, A61B8/5207, A61B8/543 take precedence
• CPC Class Codes: A61B 6/463 characterised by displaying multiple images or images and diagnostic data on one display
• CPC Class Codes: A61B 6/541 involving acquisition triggered by a physiological signal
• CPC Class Codes: A61B 90/39 Markers, e.g. radio-opaque or breast lesions markers
• CPC Class Codes: A61N 2005/1059 using cameras imaging the patient
• CPC Class Codes: A61N 5/1064 for adjusting radiation treatment in response to monitoring
• CPC Class Codes: A61N 5/1065 Beam adjustment
• CPC Class Codes: A61N 5/1069 Target adjustment, e.g. moving the patient support

Abstract

A method of prompting a patient includes informing a patient a relationship between a result of an activity being performed by the patient and a first target result to be achieved by the activity. A method of prompting a patient includes informing a patient a relationship between a time and a target result to be achieved by an activity. A method of prompting a patient includes informing a patient a relationship between a position of a portion of the patient and a first target position for the portion.

Claims

1. A method of prompting a patient during an imaging procedure, comprising:

obtaining data, wherein the data comprises a first target result that is desired to be achieved when a portion the patient moves from a first position to a second position, the first position of the portion of the patient, and a future time by which the first target result is desired to be achieved, wherein the future time is determined before the portion moves to the second position; and

displaying a graphic using the data before the portion of the patient moves to the second position, wherein the graphic is configured for indicating to the patient the first target result, the first position of the portion of the patient, and when the future time will arrive, thereby allowing the patient to decide when to begin movement of the portion from the first position to the second position in order to achieve the first target result by the future time;

wherein the graphic is configured to indicate an amount of remaining image data that is desired to be obtained in the imaging procedure.

2. The method of claim 1, wherein the first target result comprises a prescribed inhale level of a breathing, a prescribed exhale level of a breathing, or a prescribed duration of a breath-hold.

3. The method of claim 1, wherein the first target result is desired to be achieved by breathing.

4. The method of claim 1, wherein the graphic comprises an object.

5. The method of claim 4, wherein the object comprises at least a portion of a line or a bar.

6. The method of claim 4, wherein the object comprises a curve representing a relationship between desired breathing levels and time.

7. The method of claim 4, wherein the object comprises one or more portions, each of the one or more portions associated with a portion of a gantry rotation, and each of the one or more portions having a length that represents a range of gantry angles.

8. The method of claim 4, further comprising moving the object.

9. The method of claim 8, wherein the moving the object is performed in synchronization with a movement of a medical device.

10. The method of claim 9, wherein the medical device comprises a radiation source.

11. The method of claim 4, wherein the object has a feature representing a range of positions of a radiation source at which image signals are to be obtained using a radiation source.

12. The method of claim 1, wherein the data is also for indicating to the patient a second target result to be achieved.

13. The method of claim 1, wherein the graphic includes a first object displayed in a screen, the first object representing the first target result desired to be achieved, and a second object in the screen for representing the first position, the first position being a current position of the portion of the patient.

14. The method of claim 13, further comprising changing a position of the second object in the screen in response to a movement of the portion of the patient.

15. The method of claim 1, further comprising providing an audio signal when the first target result is achieved.

16. The method of claim 1, further comprising providing a visual signal when the first target result is achieved.

17. The method of claim 1, wherein the obtained data comprises graphic data for display to the patient.

18. The method of claim 17, wherein the graphic data corresponds with one or more image frames for display to the patient.

19. The method of claim 1, wherein the first target result comprises a target position of at least a portion of a body.

20. The method of claim 1, further comprising informing the patient of a result of an activity being performed by the patient.

21. The method of claim 1, wherein the graphic is configured for indicating to the patient when the future time will arrive by indicating to the patient a duration remaining before the future time will arrive.

22. The method of claim 1, wherein the graphic indicates a desired breathing pattern.

23. The method of claim 22, wherein the graphic has an object that resembles a sine curve.

24. The method of claim 1, wherein the graphic includes an object, the object representing the first target, wherein the object has a first boundary, a second boundary, a third boundary, and a fourth boundary, the first boundary and the second boundary defining a range of positions in any of which the portion of the patient is desired to be placed, the third boundary representing a desired starting time for the first target result, and the fourth boundary representing a desired ending time for the first target result.

25. The method of claim 1, wherein the graphic includes a first object that represents a desired inhale level.

26. The method of claim 25, further comprising indicating to the patient a second target result desired to be achieved, wherein the graphic includes a second object that represents a desired exhale level.

27. The method of claim 1, wherein the graphic includes an object that represents a desired exhale level.

28. The method of claim 1, further comprising changing a configuration of the graphic in response to the patient accomplishing at least part of the first target result.

29. The method of claim 1, further comprising indicating to the patient a first relationship between a result of the patient'"'"'s activity and the first target result, and a second relationship between the result of the patient'"'"'s activity and a second target result desired to be achieved.

30. A computer program product that includes a medium, the medium comprises a set of instructions, an execution of which causes a process to be performed during an imaging procedure, the process comprising:

obtaining data, wherein the data comprises a target result desired to be achieved when a portion of the patient moves from a first position to a second position, the first position of the portion of the patient, and a future time by which the target result is desired to be achieved, wherein the future time is determined before the portion moves to the second position; and

displaying a graphic using the data before the portion of the patient moves to the second position, wherein the graphic is configured for indicating to the patient the target result, the first position of the portion of the patient, and when the future time will arrive, thereby allowing the patient to decide when to begin movement of the portion from the first position to the second position in order to achieve the target result by the future time;

wherein the graphic is configured to indicate an amount of remaining image data that is desired to be obtained in the imaging procedure.

31. The computer program product of claim 30, wherein the data comprises image data of an object, the object moving in synchronization with a movement of a medical device.

32. The computer program product of claim 30, wherein the data comprises graphic data of an object, the object comprising one or more object portions, and each of the one or more object portions having a length that represents a range of gantry angles.

33. The computer program product of claim 30, wherein the target result is desired to be achieved by breathing.

34. The computer program product of claim 30, wherein the process further comprises informing the patient of a result of an activity being performed by the patient.

35. The computer program product of claim 30, wherein the graphic is configured for indicating to the patient when the future time will arrive by indicating to the patient a duration remaining before the future time will arrive.

36. The computer program product of claim 30, wherein the graphic indicates a desired breathing pattern.

37. The computer program product of claim 36, wherein the graphic has an object that resembles a sine curve.

38. The computer program product of claim 30, wherein the graphic includes an object, the object representing the first target, wherein the object has a first boundary, a second boundary, a third boundary, and a fourth boundary, the first boundary and the second boundary defining a range of positions in any of which the portion of the patient is desired to be placed, the third boundary representing a desired starting time for the target result, and the fourth boundary representing a desired ending time for the target result.

39. The computer program product of claim 30, wherein the graphic includes a first object that represents a desired inhale level, and a second object that represents a desired exhale level.

40. The computer program product of claim 30, wherein the process further comprising changing a configuration of the graphic in response to the patient accomplishing at least part of the target result.

41. The computer program product of claim 30, wherein the process further comprising indicating to the patient a first relationship between a result of the patient'"'"'s activity and the target result, and a second relationship between the result of the patient'"'"'s activity and another target result desired to be achieved.

42. A system for prompting a patient during an imaging procedure, comprising:

a processor configured to generate data, wherein the data comprises a target result desired to be achieved when a portion of the patient moves from a first position to a second position, the first position of the portion of the patient, and a future time by which the target result is desired to be achieved, wherein the future time is determined before the portion moves to the second position; and

a screen for displaying a graphic using the data before the portion of the patient moves to the second position, wherein the graphic is configured for indicating to the patient the target result, the first position of the portion of the patient, and when the future time will arrive, thereby allowing the patient to decide when to begin movement of the portion from the first position to the second position in order to achieve the target result by the future time;

wherein the graphic is configured to indicate an amount of remaining image data that is desired to be obtained in the imaging procedure.

43. The system of claim 42, wherein the data comprises graphic data of an object, the object comprising one or more object portions, and each of the one or more object portions having a length that represents a range of gantry angles.

44. The system of claim 42, wherein the target result is desired to be achieved by breathing.

45. The system of claim 42, wherein the processor is further configured to generate additional data for informing the patient of a result of an activity being performed by the patient.

46. The system of claim 42, wherein the graphic is configured for indicating to the patient when the future time will arrive by indicating to the patient a duration remaining before the future time will arrive.

47. The system of claim 42, wherein the graphic indicates a desired breathing pattern.

48. The system of claim 47, wherein the graphic has an object that resembles a sine curve.

49. The system of claim 42, wherein the graphic includes an object, the object representing the first target, wherein the object has a first boundary, a second boundary, a third boundary, and a fourth boundary, the first boundary and the second boundary defining a range of positions in any of which the portion of the patient is desired to be placed, the third boundary representing a desired starting time for the target result, and the fourth boundary representing a desired ending time for the target result.

50. The system of claim 42, wherein the graphic includes a first object that represents a desired inhale level, and a second object that represents a desired exhale level.

51. The system of claim 42, wherein the processor is configured to change a configuration of the graphic in response to the patient accomplishing at least part of the target result.

52. The system of claim 42, wherein the graphic is also configured for indicating to the patient a first relationship between a result of the patient'"'"'s activity and the target result, and a second relationship between the result of the patient'"'"'s activity and another target result desired to be achieved.

53. A method of prompting a patient during an imaging procedure, comprising:

providing an indication to a patient of a first breathing level desired to be achieved by a future time, wherein the first breathing level is desired to be achieved when a portion of the patient moves from a first position to a second position, and wherein the future time is determined before the portion is moved to the second position; and

providing an indication to the patient of when the future time will arrive, wherein the indication allows the patient to decide when to exhale or inhale to move the portion from the first position to the second position to thereby achieve the first breathing level by the future time;

wherein the act of providing the indication of the first breathing level comprises presenting a graphic to the patient, and wherein the method further comprises changing a configuration of the graphic in response to the patient accomplishing the first breathing level; and

wherein the changed configuration of the graphic is configured to indicate an amount of remaining image data that is desired to be obtained in the imaging procedure.

54. The method of claim 53, wherein the graphic indicates a desired breathing pattern that includes the first breathing level.

55. The method of claim 54, wherein the graphic has an object that resembles a sine curve.

56. The method of claim 53, wherein the graphic has an object, wherein the object has a first boundary, a second boundary, a third boundary, and a fourth boundary, the first boundary and the second boundary defining a range of positions that includes the second position, the third boundary representing the future time, and the fourth boundary representing a desired ending time for the first target.

57. The method of claim 53, further comprising providing an indication to the patient of a second breathing level desired to be achieved.

58. The method of claim 53, further comprising providing an indication to the patient of a first relationship between a result of the patient'"'"'s activity and the first breathing level, and a second relationship between the result of the patient'"'"'s activity and a second breathing level desired to be achieved.

59. The method of claim 53, further comprising providing an indication to the patient of a current breathing state of the patient.

60. The method of claim 59, further comprising providing an indication to the patient of a relationship between the current breathing state of the patient and the first breathing level desired to be achieved.

61. The method of claim 60, further comprising providing an indication to the patient of a relationship between the current breathing state of the patient and a second breathing level desired to be achieved.

62. The method of claim 53, wherein the act of providing the indication of when the future time will arrive comprises moving an object that is a part of the graphic, wherein a position of the object relative to a reference point indicates a remaining duration before the future time will arrive.

63. The method of claim 53, further comprising providing an indication to the patient of a duration for maintaining the first breathing level.

64. A computer program product that includes a medium, the medium comprises a set of instructions, an execution of which causes a process to be performed during an imaging procedure, the process comprising:

providing an indication to a patient of a first breathing level desired to be achieved by a predetermined future time, wherein the first breathing level is desired to be achieved when a portion of the patient moves from a first position to a second position, and wherein the future time is determined before the portion is moved to the second position; and

providing an indication to the patient of when the future time will arrive, wherein the indication allows the patient to decide when to exhale or inhale to move the portion from the first position to the second position to thereby achieve the first breathing level by the future time;

wherein the act of providing the indication of the first breathing level comprises presenting a graphic to the patient, and wherein the process further comprises changing a configuration of the graphic in response to the patient accomplishing the first breathing level; and

wherein the changed configuration of the graphic is configured to indicate an amount of remaining image data that is desired to be obtained in the imaging procedure.

65. The computer program product of claim 64, wherein the graphic indicates a desired breathing pattern that includes the first breathing level.

66. The computer program product of claim 65, wherein the graphic has an object that resembles a sine curve.

67. The computer program product of claim 64, wherein the graphic has an object, wherein the object has a first boundary, a second boundary, a third boundary, and a fourth boundary, the first boundary and the second boundary defining a range of positions that includes the second position, the third boundary representing the future time, and the fourth boundary representing a desired ending time for the first target.

68. The computer program product of claim 64, wherein the process further comprises providing an indication to the patient of a second breathing level desired to be achieved.

69. The computer program product of claim 64, wherein the process further comprises providing an indication to the patient of a first relationship between a result of the patient'"'"'s activity and the first breathing level, and a second relationship between the result of the patient'"'"'s activity and a second breathing level desired to be achieved.

70. The computer program product of claim 64, wherein the process further comprises providing an indication to the patient of a current breathing state of the patient.

71. The computer program product of claim 70, wherein the process further comprises providing an indication to the patient of a relationship between the current breathing state of the patient and the first breathing level desired to be achieved.

72. The computer program product of claim 71, wherein the process further comprises providing an indication to the patient of a relationship between the current breathing state of the patient and a second breathing level desired to be achieved.

73. The computer program product of claim 64, wherein the act of providing the indication of when the future time will arrive comprises moving an object that is a part of the graphic, wherein a position of the object relative to a reference point indicates a remaining duration before the future time will arrive.

74. The computer program product of claim 64, wherein the process further comprises providing an indication to the patient of a duration for maintaining the first breathing level.