Granted Patent B2

US 12,178,642 · App. 16/663,541 · Granted Dec 31, 2024

Inventors: Nikhil Sreedhar Rajguru (San Diego, CA); Pei-Yin Chao (Eindhoven, NL)

Assignee: PHILIPS IMAGE GUIDED THERAPY CORPORATION

A61B8/0891A61B8/0841A61B8/12A61B8/463A61B8/469A61B8/5207

Abstract

Claims (105)

1. An intraluminal ultrasound imaging system, comprising:

a processor circuit configured for communication with an intraluminal ultrasound imaging catheter, a display, and a user interface, wherein the processor circuit is configured to:

receive, via the user interface, a selection of a thrombus option or a stent option from a plurality of image type options, wherein the plurality of image type options comprises:

the thrombus option, wherein the thrombus option is associated with a gain curve comprising a first preset non-linear shape specific to the thrombus option; and

the stent option, wherein the stent option is associated with the gain curve comprising a second preset non-linear shape specific to the stent option;

identify the gain curve based on the selection such that the gain curve comprises;

the first preset non-linear shape specific to the thrombus option when the selection is of the thrombus option; or

the second preset non-linear shape specific to the stent option when the selection is of the stent option,

wherein the gain curve determines a visual aspect of how an intraluminal ultrasound image is displayed on the display; and

output, to the display, a visual representation of the gain curve with the first preset non-linear shape or the second preset non-linear shape,

wherein the visual representation of the gain curve comprises:

a first axis comprising a plurality of values of an input intensity of a pixel;

a second axis comprising a plurality of values of an output intensity of the pixel; and

a plurality of data points along the first preset non-linear shape or the second preset non-linear shape,

wherein the plurality of data points is configured to be movable by a user to change:

a curvature of the gain curve from the first preset non-linear shape or the second preset non-linear shape to a user-defined shape; and

the visual aspect of how the intraluminal ultrasound image is displayed on the display,

wherein the processor circuit is configured to receive the intraluminal ultrasound image obtained by the intraluminal ultrasound imaging catheter while the intraluminal ultrasound imaging catheter is positioned within a patient,

wherein the processor circuit is configured to output, to the display, the intraluminal ultrasound image such that the intraluminal ultrasound image is displayed according to the visual aspect.

2. The system of claim 1 ,

wherein the intraluminal ultrasound image comprises a stent, and

wherein, when the selection is of the stent option, the processor circuit is configured to output the intraluminal ultrasound image such that the stent in the intraluminal ultrasound image is enhanced.

3. The system of claim 1 ,

wherein the intraluminal ultrasound image comprises a thrombus, and

wherein the processor circuit is configured to output the intraluminal ultrasound image such that the thrombus in the intraluminal ultrasound image is enhanced.

4. The system of claim 1 ,

wherein the processor circuit is configured to output, to the display, a detection option associated with an anatomical feature,

wherein the anatomical feature comprises at least one of a thrombus or a webbing,

wherein, in response to the processor circuit receiving a selection of the detection option, the processor circuit is configured to identify the anatomical feature in the intraluminal ultrasound image.

5. The system of claim 1 ,

wherein the processor circuit is further configured to change at least one of ringdown, contrast, saturation, hue, field of view, or chroma, based on the selection.

6. The system of claim 1 , further comprising:

the intraluminal ultrasound imaging catheter.

7. The system of claim 3 ,

wherein the thrombus comprises at least one of sub-acute thrombus, acute thrombus, or chronic thrombus, and

wherein the processor circuit is configured to output the intraluminal ultrasound image such that at least one of the sub-acute thrombus, acute thrombus, or chronic thrombus in the intraluminal ultrasound image is enhanced.

8. The system of claim 4 , wherein the processor circuit is configured to identify the anatomical feature based on an occlusion threshold.

9. An intraluminal ultrasound imaging method, the method comprising:

with a processor circuit in communication with an intraluminal imaging catheter, a display, and a user interface:

receiving, via the user interface, a selection of a thrombus option or a stent option from a plurality of image type options, wherein the plurality of image type options comprises:

the thrombus option, wherein the thrombus option is associated with a gain curve comprising a first preset non-linear shape specific to the thrombus option; and

the stent option, wherein the the stent option is associated with the gain curve comprising a second preset non-linear shape specific to the stent option;

identifying the gain curve based on the selection such that the gain curve comprises;

the first preset non-linear shape specific to the thrombus option when the selection is of the thrombus option; or

the second preset non-linear shape specific to the stent option when the selection is of the stent option,

wherein the gain curve determines a visual aspect of how an intraluminal ultrasound image is displayed on the display;

outputting, to the display, a visual representation of the gain curve with the first preset non-linear shape or the second preset non-linear shape,

wherein the visual representation of the gain curve comprises:

a first axis comprising a plurality of values of an input intensity of a pixel;

a second axis comprising a plurality of values of an output intensity of the pixel; and

a plurality of data points along the first preset non-linear shape or the second preset non-linear shape,

wherein the plurality of data points is configured to be movable by a user to change:

a curvature of the gain curve from the first preset non-linear shape or the second preset non-linear shape to a user-defined shape; and

the visual aspect of how the intraluminal ultrasound image is displayed on the display;

receiving the intraluminal ultrasound image obtained by the intraluminal ultrasound imaging catheter while the intraluminal ultrasound imaging catheter is positioned within a patient; and

outputting, to the display, the intraluminal ultrasound image such that the intraluminal ultrasound image is displayed according to the visual aspect.

10. The method of claim 9 ,

wherein, when the selection is of the stent option, a stent in the intraluminal ultrasound image is enhanced, and

wherein, when the selection is of the thrombus option, a thrombus in the intraluminal ultrasound image is enhanced,

wherein the thrombus comprises at least one of sub-acute thrombus, acute thrombus, or chronic thrombus.

11. The method of claim 9 ,

wherein the selection is further changes at least one of ringdown, brightness, contrast, saturation, hue, field of view, or chroma.

12. The method of claim 10 , further comprising:

outputting, to the display, a detection option associated with an anatomical feature, wherein the anatomical features comprises at least one of a thrombus or a webbing; and

identifying, the anatomical feature in the intraluminal ultrasound image in response to receiving a selection of the detection option.

13. The method of claim 12 , wherein identifying the anatomical feature is based on an occlusion threshold.

14. An intravascular imaging system, comprising:

an intravascular imaging catheter configured to obtain an intravascular image; and

a processor circuit configured for communication with the intravascular imaging catheter, a display, and a user interface, wherein the processor circuit is configured to:

receive, via the user interface, a selection of a thrombus option or a stent option from a plurality of image type options, wherein the plurality of image type options comprises:

the thrombus option, wherein the thrombus option is associated with a gain curve comprising a first preset non-linear shape specific to the thrombus option; and

the stent option, wherein the stent option is associated with the gain curve comprising a second preset non-linear shape specific to the stent option;

identify the gain curve based on the selection such that the gain curve comprises:

the first preset non-linear shape specific to the thrombus option when the selection is of the thrombus option; or

the second preset non-linear shape specific to the stent option when the selection is of the stent option,

wherein the gain curve determines a visual aspect of how the intravascular image is displayed on the display; and

output, to the display, a visual representation of the gain curve with the first preset non-linear shape or the second preset non-linear shape,

wherein the visual representation of the gain curve comprises:

a first axis comprising a plurality of values of an input intensity of a pixel;

a second axis comprising a plurality of values of an output intensity of the pixel; and

a plurality of data points along the first preset non-linear shape or the second preset non-linear shape,

wherein the plurality of data points is configured to be movable by a user to change:

a curvature of the gain curve from the first preset non-linear shape or the second preset non-linear shape to a user-defined shape; and

the visual aspect of how the intravascular image is displayed on the display,

wherein the processor circuit is configured to receive the intravascular image obtained by the intravascular imaging catheter while the intravascular imaging catheter is positioned within a blood vessel of a patient,

wherein the processor circuit is configured to output, to the display, the intravascular image such that the intravascular image is displayed according to the visual aspect.

15. The system of claim 14 ,

wherein the thrombus option comprises a first thrombus option, and

wherein the plurality of image type options further comprises a different, second thrombus option.

16. The system of claim 14 , wherein the plurality of image type options further comprises a deep vein thrombosis option.

17. The system of claim 14 ,

wherein the processor circuit is configured to output, to the display, a plurality of procedure type options,

wherein the plurality of procedure type options comprises a coronary vasculature option and a peripheral vasculature option.

18. The system of claim 15 ,

wherein the first thrombus option comprises an acute or sub-acute thrombus option, and

wherein the second thrombus option comprises a chronic thrombus option.

19. The system of claim 17 ,

wherein the peripheral vasculature option comprises a peripheral venous vasculature option, and

wherein the plurality of image type options comprises a set of image type options specific to peripheral venous vasculature.

20. The system of claim 17 ,

wherein the peripheral vasculature option comprises a peripheral venous option, and

wherein the plurality of procedure type options further comprises a peripheral arterial option.

21. The system of claim 17 ,

wherein the plurality of image type options comprises a first set of image type options specific to peripheral vasculature or a second set of image type options specific to coronary vasculature,

wherein the first set of image type options is different than the second set of image type options.

Assignments (1)

Continuity (2)

Cited By (13)

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