IP Library › Granted Patent US 12,561,810
Granted Patent B2
US 12,561,810 · App. 17/986,392 · Granted Feb 24, 2026

Stent detection methods and imaging system interfaces

Inventors: Sonal Ambwani (Hopkinton, MA); Christopher E. Griffin (Wilton, NH); James G. Peterson (Yarmouth, ME); Satish Kaveti (Sharon, MA); Joel M. Friedman (Andover, MA)
Assignee: LightLab Imaging, Inc.
G06T7/11A61B34/20G06T7/0012G06T7/174G06V10/507A61B2034/2065G06T2200/24G06T2207/10068G06T2207/10101G06T2207/30021G06T2207/30052G06T2207/30101G06V2201/03
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Quick Facts
Patent No.
US 12,561,810
App. No.
17/986,392
Granted
Feb 24, 2026
Kind
B2
Abstract

The disclosure relates, in part, to computer-based visualization of stent position within a blood vessel. A stent can be visualized using intravascular data and subsequently displayed as stent struts or portions of a stent as a part of a one or more graphic user interface(s) (GUI). In one embodiment, the method includes steps to distinguish stented region(s) from background noise using an amalgamation of angular stent strut information for a given neighborhood of frames. The GUI can include views of a blood vessel generated using distance measurements and demarcating the actual stented region(s), which provides visualization of the stented region. The disclosure also relates to display of intravascular diagnostic information such as indicators. An indicator can be generated and displayed with images generated using an intravascular data collection system. The indicators can include one or more viewable graphical elements suitable for indicating diagnostic information such as stent information.

Claims (32)

1 . A system for of displaying stent strut coverage in a blood vessel, the system comprising one or more processors configured to:

receive image data for a stented blood vessel, the image data comprising a plurality of image frames;

identify locations of stent struts within the plurality of image frames;

generate a three-dimensional representation of the stent struts within the blood vessel;

provide for display a first panel, second panel, and third panel;

wherein the first panel comprises a three-dimensional view of the stent struts within the blood vessel;

wherein the second panel comprises a longitudinal view of the stent struts within the blood vessel;

wherein the third panel comprises a cross-sectional representation of the blood vessel having one or more stent strut indicators oriented within the representation based on the identified location of stent struts; and

wherein at least one of the three-dimensional view and the longitudinal view of the stent struts within the blood vessel comprise a representation of a longitudinal length of luminal boundary within the blood vessel, and a longitudinal indicator that is configured to provide indicia of stent strut apposition at longitudinal positions with respect to the representation of the longitudinal length of luminal boundary within the blood vessel.

2 . The system of claim 1 , wherein the longitudinal indicator is positioned relative to the longitudinal view of the stent struts so that the indicia of stent strut apposition within the longitudinal indicator correspond to positions of stent strut apposition within the longitudinal view of the stent struts.

3 . The system of claim 1 , wherein malapposed stent struts displayed within the first panel, second panel, and third panel are displayed with indicia of stent strut apposition.

4 . The system of claim 1 , wherein the first panel further comprises a circular indicator around the three-dimensional view of the stent struts that are configured to provide a selected view of the stent struts.

5 . The system of claim 4 , wherein the circular indicator is configured to be movable in response to a user input.

6 . The system of claim 1 , wherein one or more side branches are eliminated from the three-dimensional view of the stent struts.

7 . The system of claim 1 , wherein the three-dimensional view of the stent struts includes an indication of one or more side branches.

8 . The system of claim 1 , wherein the three-dimensional view is provided based on user input to select a proximal perspective or a distal perspective of the stent struts within the blood vessel.

9 . A method for of displaying stent strut coverage in a blood vessel, the method comprising:

receiving, by one or more processors, image data for a stented blood vessel, the image data comprising a plurality of image frames;

identifying, by one or more processors, locations of stent struts within the plurality of image frames;

generating, by one or more processors, a three-dimensional representation of the stent struts within the blood vessel;

providing for display, by one or more processors, a first panel, second panel, and third panel;

wherein the first panel comprises a three-dimensional view of the stent struts within the blood vessel;

wherein the second panel comprises a longitudinal view of the stent struts within the blood vessel;

wherein the third panel comprises a cross-sectional representation of the blood vessel having one or more stent strut indicators oriented within the representation based on the identified location of stent struts; and

wherein at least one of the three-dimensional view and the longitudinal view of the stent struts within the blood vessel comprise a representation of a longitudinal length of luminal boundary within the blood vessel, and a longitudinal indicator that is configured to provide indicia of stent strut apposition at longitudinal positions with respect to the representation of the longitudinal length of luminal boundary within the blood vessel.

10 . The method of claim 9 , wherein the longitudinal indicator is positioned relative to the longitudinal view of the stent struts so that the indicia of stent strut apposition within the longitudinal indicator correspond to positions of stent strut apposition within the longitudinal view of the stent struts.

11 . The method of claim 9 , wherein malapposed stent struts displayed within the first panel, second panel, and third panel are displayed with indicia of stent strut apposition.

12 . The method of claim 9 , wherein the first panel further comprises a circular indicator around the three-dimensional view of the stent struts that are configured to provide a selected view of the stent struts.

13 . The method of claim 12 , wherein the circular indicator is configured to be movable in response to a user input.

14 . The method of claim 9 , wherein one or more side branches are eliminated from the three-dimensional view of the stent struts.

15 . The method of claim 9 , wherein the three-dimensional view of the stent struts includes an indication of one or more side branches.

16 . The method of claim 9 , wherein the three-dimensional view is provided based on user input to select a proximal perspective or a distal perspective of the stent struts within the blood vessel.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 1, 2023
From: AMBWANI, SONAL; GRIFFIN, CHRISTOPHER E.; PETERSON, JAMES G.; KAVETI, SATISH; FRIEDMAN, JOEL M.
To: LIGHTLAB IMAGING, INC.
Reel/Frame 065418/0837 →
Continuity (8)
Continuation 17155778 · Jan 22, 2021
Continuation 16166520 · Oct 22, 2018
Continuation 15157340 · May 17, 2016
Continuation In Part 14975516 · Dec 18, 2015
Provisional Application 62322578 · Apr 14, 2016
Provisional Application 62196997 · Jul 25, 2015
Provisional Application 62162795 · May 17, 2015
Related Publication 20230082121A1 · Mar 16, 2023
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