Videographic display of real-time medical treatment

• US 10,561,861 B2
• Filed: 05/02/2012
• Issued: 02/18/2020
• Est. Priority Date: 05/02/2012
• Status: Expired due to Fees

• Current Assignee: Viewray Systems Incorporated
• Original Assignee: Viewray Technologies, Inc. (Viewray Incorporated)
• Inventors: Dempsey, James F.
• Primary Examiner(s): Moher, Amanda Lauritzen
• Application Number:
  US13/462,750
• Publication Number:
  US 20130296687A1
• Time in Patent Office: 2,848 Days
• Field of Search: 600407, 600410, 600411
• CPC Class Codes: A61B 2090/364 Correlation of different images or relation of image positions in respect to the body
• CPC Class Codes: A61B 2090/374 NMR or MRI
• CPC Class Codes: A61B 34/30 Surgical robots
• CPC Class Codes: A61B 5/05 Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves impedance plethysmography A61B5/0295; measuring movement of the entire body or parts thereof A61B5/11; detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof A61B5/24
• CPC Class Codes: A61B 5/06 Devices, other than using radiation, for detecting or locating foreign bodies for removing same A61B17/50 ; determining position of probes within or on the body of the patient
• CPC Class Codes: A61B 6/00 Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment instruments measuring radiation intensity for application in the field of nuclear medicine, e.g. in vivo counting, G01T1/161; apparatus for taking X-ray photographs G03B42/02
• CPC Class Codes: A61B 6/4417 related to combined acquisition of different diagnostic modalities
• CPC Class Codes: A61B 6/5247 combining images from an ionising-radiation diagnostic technique and a non-ionising radiation diagnostic technique, e.g. X-ray and ultrasound
• CPC Class Codes: A61B 90/36 Image-producing devices or illumination devices not otherwise provided for
• CPC Class Codes: A61N 2005/1052 using positron emission tomography [PET] single photon emission computer tomography [SPECT] imaging
• CPC Class Codes: A61N 2005/1055 using magnetic resonance imaging [MRI]
• CPC Class Codes: A61N 2005/1058 using ultrasound imaging
• CPC Class Codes: A61N 2005/1061 using an x-ray imaging system having a separate imaging source
• CPC Class Codes: A61N 2005/1074 Details of the control system, e.g. user interfaces
• CPC Class Codes: A61N 5/10 X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy A61N5/01 takes precedence
• CPC Class Codes: A61N 5/1048 Monitoring, verifying, controlling systems and methods
• CPC Class Codes: A61N 5/1049 for verifying the position of the patient with respect to the radiation beam
• CPC Class Codes: A61N 5/1067 in real time, i.e. during treatment
• CPC Class Codes: A61N 5/1071 for verifying the dose delivered by the treatment plan
• CPC Class Codes: G06T 2207/20116 Active contour; Active surface; Snakes
• CPC Class Codes: G06T 2207/20221 : Image fusion; Image merging
• CPC Class Codes: G06T 7/0012 : Biomedical image inspection
• CPC Class Codes: G06T 7/10 : Segmentation; Edge detection motion-based segmentation G06T7/215
• CPC Class Codes: G06T 7/11 : Region-based segmentation
• CPC Class Codes: G06T 7/12 : Edge-based segmentation
• CPC Class Codes: G06T 7/13 : Edge detection
• CPC Class Codes: G06T 7/50 : Depth or shape recovery
• CPC Class Codes: G06T 7/564 : from contours
• CPC Class Codes: G06T 9/20 : Contour coding, e.g. using detection of edges

Abstract

Systems and methods for creation of a videographic representation of a real-time medical treatment by a processor operating in conjunction with a treatment device and an imaging device are described. The representation may include real-time imaging data, a representation of real-time treatment data and contours of relevant anatomy among other things. Related systems and techniques are also described.

Claims

1. A method comprising:

emitting one or more radiation beams of ionizing radiation from a radiation beam source controlled by a radiation treatment system to a treatment region according to a planned treatment regimen;

obtaining a plurality of real-time images of the treatment region using an imaging device that is a magnetic resonance imaging system while the radiation beam source emits the one or more radiation beams;

obtaining real-time treatment data relating to the one or more radiation beams;

determining one or more real-time contours of relevant anatomy being irradiated in the plurality of the real-time images using an image processing technique; and

providing for a videographic display of one or more of the plurality of the real-time images, the videographic display including;

one or more corresponding real-time contours enclosing at least one anatomical structure; and

one or more beam representations generated based at least on the real-time treatment data relating to the one or more radiation beams, wherein the one or more beam representations depict the one or more radiation beams turning on or off during progression of the videographic display based on the obtained real-time treatment data.

2. The method of claim 1, wherein the image processing technique is deformable image registration.

3. The method of claim 1, wherein the videographic display is provided on a remote device.

4. The method of claim 1, wherein the videographic display is three dimensional.

5. The method of claim 1, wherein the one or more beam representations change angle during progression of the videographic display based on the obtained real-time treatment data.

6. The method of claim 1, wherein the one or more beam representations change shape during progression of the videographic display based on the obtained real-time treatment data.

7. The method of claim 1, wherein the one or more beam representations are translucent so that the videographic display of the one or more of the plurality of the real-time images is visible through the one or more beam representations.

8. A system comprising:

a radiation beam source configured to emit to a treatment region one or more radiation beams of ionizing radiation according to a planned treatment regimen, the radiation beam source further configured to acquire real-time treatment data relating to the one or more radiation beams;

a magnetic resonance imaging system configured to acquire a plurality of real-time images of the treatment region while the one or more radiation beams are emitted from the radiation beam source; and

a processor programmed to determine one or more real-time contours of relevant anatomy being irradiated in the plurality of the real-time images using an image processing technique and to output, to a display, a videographic display of one or more of the plurality of the real-time images, the videographic display including;

one or more corresponding real-time contours enclosing at least one anatomical structure; and

one or more beam representations generated based at least on the real-time treatment data relating to the one or more radiation beams, wherein the one or more beam representations depict the one or more radiation beams turning on or off during progression of the videographic display based on the obtained real-time treatment data.

9. The system of claim 8, wherein the processor is further programmed to implement the image processing technique using deformable image registration.

10. The system of claim 8, wherein the display is on a remote device.

11. The system of claim 8, wherein the processor is further programmed to implement a three dimensional videographic display.

12. The system of claim 8, wherein the processor is further programmed to output a depiction of the one or more beam representations:

changing angle during progression of the videographic display based on the obtained real-time treatment data;

or

changing shape during progression of the videographic display based on the obtained real-time treatment data.

13. The system of claim 8, wherein the processor is further programmed to output a depiction of the one or more beam representations being translucent so that the videographic display of the one or more of the plurality of real-time images is visible through the one or more beam representations.

14. A computer program product comprising a non-transitory, machine-readable medium storing instructions which, when executed by at least one programmable processor, cause the at least one programmable processor to perform operations comprising:

obtaining a plurality of real-time images of a treatment region as acquired with an imaging device that is a magnetic resonance imaging system while a radiation beam source emits one or more radiation beams;

obtaining real-time treatment data relating to the one or more radiation beams;

obtaining one or more real-time contours of relevant anatomy being irradiated in the plurality of the real-time images; and

providing for a videographic display of one or more of the plurality of the real-time images, the videographic display including;

one or more corresponding real-time contours enclosing at least one anatomical structure; and

one or more beam representations generated based at least on the real-time treatment data relating to the one or more radiation beams, wherein the one or more beam representations depict the one or more radiation beams turning on or off during progression of the videographic display based on the obtained real-time treatment data.

15. The computer program product of claim 14, the videographic display further including a depiction of the one or more beam representations changing angle during progression of the videographic display based on the obtained real-time treatment data.

16. The computer program product of claim 14, the videographic display further including a depiction of the one or more beam representations changing shape during progression of the videographic display based on the obtained real-time treatment data.

17. The computer program product of claim 14, wherein the videographic display is on a remote device.

18. The computer program product of claim 14, wherein the at least one programmable processor is further programmed to implement a three dimensional videographic display.

19. The computer program product of claim 14, wherein the one or more beam representations are translucent so that the videographic display of the one or more of the plurality of the real-time images is visible through the one or more beam representations.