IP Library › Granted Patent US 12,232,820
Granted Patent B2
US 12,232,820 · App. 17/540,319 · Granted Feb 25, 2025

Extended reality systems with three-dimensional visualizations of medical image scan slices

Inventors: Isaac Dulin (Somerville, MA); Tom Calloway (Pelham, NH)
Assignee: Globus Medical, Inc.
A61B34/20A61B34/10A61B90/361A61B90/37G06F3/011G06T7/20G06T7/70G06T17/00G06T19/006G06T19/20A61B2034/102A61B2034/105A61B2034/2055A61B2090/365A61B2090/367A61B2090/372G06T2207/30012G06T2207/30052G06T2210/41G06T2219/008G06T2219/2004G06T2219/2012G06T2219/2016
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Quick Facts
Patent No.
US 12,232,820
App. No.
17/540,319
Filed
Dec 2, 2021
Granted
Feb 25, 2025
Kind
B2
Art Unit
3798
USPC
600/424
Abstract

A navigated surgery system includes at least one processor that is operative to obtain a 2D medical image slice of anatomical structure of a patient. The operations further obtain a 3D graphical model of anatomical structure. The operations determine a pose of a virtual cross-sectional plane extending through the 3D graphical model of the anatomical structure that corresponds to the anatomical structure of the 2D medical image slice. The operations control the XR headset to display the 2D medical image slice of the anatomical structure of the patient, display the 3D graphical model of the anatomical structure, and display a graphical object oriented with the pose relative to the 3D graphical model of the anatomical structure.

Claims (47)

1. A method by a navigated surgery system, the method comprising:

obtaining a first two-dimensional (2D) medical image slice of a portion of an internal anatomical structure of a patient;

obtaining a three-dimensional (3D) graphical model of the internal anatomical structure;

determining a first pose of a first virtual cross-sectional plane extending through the 3D graphical model of the internal anatomical structure, wherein the first virtual cross-sectional plane corresponds to the portion of the internal anatomical structure imaged by the first 2D medical image slice; and

controlling an extended reality (XR) headset to simultaneously display on a display device the first 2D medical image slice of the internal anatomical structure of the patient, the 3D graphical model of the internal anatomical structure, and a first graphical object oriented with the first pose relative to the 3D graphical model of the internal anatomical structure,

wherein the XR headset is configured to operate to track hand poses and gestures to enable gesture based interactions with virtual buttons and interfaces displayed through the XR headset and configured to interpret hand gesturing as defined commands.

2. The method of claim 1 , further comprising:

obtaining a second 2D medical image slice of the internal anatomical structure of the patient, wherein the first 2D medical image slice is an angularly offset image slice of the internal anatomical structure of the patient relative to the second 2D medical image slice;

determining a second pose of a second virtual cross-sectional plane extending through the 3D graphical model of the internal anatomical structure that corresponds to the internal anatomical structure of the second 2D medical image slice; and

controlling the XR headset to display the second 2D medical image slice of the internal anatomical structure of the patient and to display a second graphical object oriented with the second pose relative to the 3D graphical model of the internal anatomical structure.

3. The method of claim 1 , further comprising:

obtaining a tracked pose of a tip of a tool being tracked by a camera tracking system relative to the internal anatomical structure of the patient;

selecting the first 2D medical image slice from among a set of 2D medical image slices forming an imaged volume of the internal anatomical structure of the patient, based on the tracked pose of the tip of the tool relative to the internal anatomical structure of the patient.

4. The method of claim 1 , further comprising:

responsive to a rotation command from a user, controlling the XR headset to display an angularly rotated view of the 3D graphical model of the internal anatomical structure while displaying the first graphical object oriented with the first pose.

5. The method of claim 1 , further comprising:

obtaining a tracked pose of the XR headset relative to the internal anatomical structure of the patient;

determining based on the tracked pose whether to flip orientation of a rendering of the first 2D medical image slice to be provided to the XR headset for display; and

selecting between two graphically distinct objects to be rendered as the first graphical object for display responsive to whether the determination is to flip orientation of the rendering of the first 2D medical image slice to be provided to the XR headset for display.

6. The method of claim 1 , further comprising:

controlling the XR headset to display the first graphical object with the first pose and extending to overly a region of the 3D graphical model of the internal anatomical structure corresponding to where a surgical procedure is to be performed on the internal anatomical structure of the patient;

obtaining a tracked pose of a tool or an implant being tracked by a camera tracking system relative to the internal anatomical structure of the patient;

controlling the XR headset to display a graphical representation of the tool or the implant overlaid with the tracked pose on the 3D graphical model of the internal anatomical structure while continuing to display the first graphical object.

7. A method by a navigated surgery system comprising:

providing a computer program product comprising a non-transitory computer readable medium storing program instructions executable by at least one processor of the navigated surgery system to:

obtain a first two-dimensional (2D) medical image slice of an internal anatomical structure of a patient;

obtain a three-dimensional (3D) graphical model of the internal anatomical structure;

determine a first pose of a first virtual cross-sectional plane extending through the 3D graphical model of the internal anatomical structure that corresponds to the internal anatomical structure of the first 2D medical image slice; and

control an extended reality (XR) headset to simultaneously display on a display device the first 2D medical image slice of the internal anatomical structure of the patient, the 3D graphical model of the internal anatomical structure, and a first graphical object oriented with the first pose relative to the 3D graphical model of the internal anatomical structure,

wherein the XR headset is configured to operate to track hand poses and gestures to enable gesture-based interactions with virtual buttons and interfaces displayed through the XR headset and configured to interpret hand gesturing as defined commands.

8. The method of claim 7 , further comprising:

obtaining a second 2D medical image slice of the internal anatomical structure of the patient, wherein the first 2D medical image slice is an angularly offset image slice of the internal anatomical structure of the patient relative to the second 2D medical image slice;

determining a second pose of a second virtual cross-sectional plane extending through the 3D graphical model of the internal anatomical structure that corresponds to the internal anatomical structure of the second 2D medical image slice; and

controlling the XR headset to display the second 2D medical image slice of the internal anatomical structure of the patient and to display a second graphical object oriented with the second pose relative to the 3D graphical model of the internal anatomical structure.

9. The method of claim 7 , further comprising:

obtaining a tracked pose of a tip of a tool being tracked by a camera tracking system relative to the internal anatomical structure of the patient;

selecting the first 2D medical image slice from among a set of 2D medical image slices forming an imaged volume of the internal anatomical structure of the patient, based on the tracked pose of the tip of the tool relative to the internal anatomical structure of the patient.

10. The method of claim 7 , further comprising:

responsive to a rotation command from a user, controlling the XR headset to display an angularly rotated view of the 3D graphical model of the internal anatomical structure while displaying the first graphical object oriented with the first pose.

11. The method of claim 7 , further comprising:

obtaining a tracked pose of the XR headset relative to the internal anatomical structure of the patient;

determining based on the tracked pose whether to flip orientation of a rendering of the first 2D medical image slice to be provided to the XR headset for display; and

selecting between two graphically distinct objects to be rendered as the first graphical object for display responsive to whether the determination is to flip orientation of the rendering of the first 2D medical image slice to be provided to the XR headset for display.

12. The method of claim 7 , further comprising:

controlling the XR headset to display the first graphical object with the first pose and extending to overly a region of the 3D graphical model of the internal anatomical structure corresponding to where a surgical procedure is to be performed on the internal anatomical structure of the patient;

obtaining a tracked pose of a tool or an implant being tracked by a camera tracking system relative to the internal anatomical structure of the patient;

controlling the XR headset to display a graphical representation of the tool or the implant overlaid with the tracked pose on the 3D graphical model of the internal anatomical structure while continuing to display the first graphical object.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 20, 2021
From: DULIN, ISAAC; CALLOWAY, TOM
To: GLOBUS MEDICAL, INC.
Reel/Frame 058428/0855 →
Continuity (2)
Continuation 17539796 · Dec 1, 2021
Related Publication 20230165640A1 · Jun 1, 2023
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