IP Library › Granted Patent US 12,586,197
Granted Patent B2
US 12,586,197 · App. 19/027,847 · Granted Mar 24, 2026

Systems, devices, and methods for visualization of tissue and collection and analysis of data regarding same

Inventor: Ralph Dacosta (Etobicoke, CA)
Assignee: UNIVERSITY HEALTH NETWORK
G06T7/0016A61B5/0071A61B5/0077A61B5/445G01N21/6486G06T2207/10016G06T2207/10024G06T2207/10048G06T2207/10064G06T2207/30088G06T2207/30096
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Quick Facts
Patent No.
US 12,586,197
App. No.
19/027,847
Granted
Mar 24, 2026
Kind
B2
Abstract

A method of guiding debridement of a wound with an imaging system comprises positioning an excitation light source of an imaging system relative to a wound and illuminating the wound with excitation light to cause the wound to emit fluorescence. The method also comprises positioning an emissions filter over a portion of a mobile communication device and aligning the emissions filter with an image sensor of a camera of the mobile communication device. The method further comprises positioning the mobile communication device to align a field of view of the camera with the illuminated wound to detect the fluorescence emitted by the illuminated wound with the image sensor, viewing the fluorescence emitted by the illuminated wound in real time, and while viewing the fluorescence emitted by the wound in real time, debriding the wound to remove bacteria from the wound. The fluorescence is indicative of a presence of bacteria.

Claims (32)

1 . A method of guiding debridement of a wound with an imaging system, the method comprising:

positioning an excitation light source of an imaging system relative to a wound;

illuminating the wound with excitation light emitted by the excitation light source to cause the wound to emit fluorescence;

positioning an emissions filter of the imaging system over a portion of a mobile communication device;

aligning the emissions filter with an image sensor of a camera of the mobile communication device;

positioning the mobile communication device to align a field of view of the camera with the illuminated wound to detect the fluorescence emitted by the illuminated wound with the image sensor of the mobile communication device;

viewing the fluorescence emitted by the illuminated wound in real time, wherein the fluorescence is indicative of a presence of bacteria in the wound; and

while viewing the fluorescence emitted by the wound in real time, debriding the wound to remove bacteria from the wound.

2 . The method of claim 1 , wherein positioning the emissions filter of the imaging system includes sliding a filter holder relative to a lens of the camera of the mobile communication device to position the emissions filter in front of the lens and between the lens and the wound.

3 . The method of claim 2 , further comprising releasably connecting the filter holder to a body of the mobile communication device, wherein the emissions filter is positioned within the filter holder.

4 . The method of claim 3 , wherein releasably connecting the filter holder to the body of the mobile communication device comprises sliding an adaptor with the emissions filter over a portion of the mobile communication device including the lens.

5 . The method of claim 1 , wherein positioning the excitation light source relative to the wound comprises attaching the excitation light source to a portable frame of the imaging system.

6 . The method of claim 1 , wherein illuminating the wound with excitation light emitted by the excitation light source comprises illuminating the wound with an excitation light source supported by a housing of an adaptor of the imaging system, wherein the adaptor is operatively connected to the mobile communication device.

7 . The method of claim 1 , wherein viewing the fluorescence emitted by the illuminated wound in real time comprises one or more of viewing the fluorescence with a naked eye in real time, viewing the fluorescence on a display of the mobile communication device, and viewing the fluorescence on a discrete display device.

8 . The method of claim 1 , further comprising capturing an image of the fluorescence emitted by the wound with the camera of the mobile communication device.

9 . The method of claim 8 , wherein capturing an image of the fluorescence emitted by the wound with the camera of the mobile communication device includes filtering light emitted by the wound with the emissions filter of the imaging system to permit passage of the fluorescence emitted by the wound to the image sensor of the camera of the mobile communication device.

10 . The method of claim 8 , wherein filtering light emitted by the wound with the emissions filter of the imaging system to permit passage of the fluorescence emitted by the wound to the image sensor of the camera of the mobile communication device further includes blocking passage of reflected excitation light to the image sensor of the camera of the mobile communication device.

11 . The method of claim 8 , wherein capturing an image of the fluorescence emitted by the wound with the camera of the mobile communication device includes capturing a video of the fluorescence emitted by the wound with the camera of the mobile communication device.

12 . The method of claim 11 , wherein viewing the fluorescence emitted by the illuminated wound in real time includes viewing the video of the fluorescence in real time.

13 . The method of claim 12 , wherein debriding the wound to remove bacteria from the wound includes debriding the wound while viewing the video of the fluorescence emitted by the wound in real time.

14 . The method of claim 1 , wherein debriding the wound to remove bacteria from the wound includes removing tissue from the wound.

15 . The method of claim 1 , further comprising measuring the wound.

16 . The method of claim 1 , further comprising capturing a first image of the fluorescence emitted by the wound with the camera of the mobile communication device prior to debridement of the wound and capturing a second image of the fluorescence emitted by the wound after debridement of the wound.

17 . The method of claim 1 , further comprising treating the wound after debridement.

18 . The method of claim 1 , further comprising capturing a first image of the fluorescence emitted by the debrided wound with the camera of the mobile communication device prior to treatment of the debrided wound and capturing a second image of the fluorescence emitted by the debrided wound after treatment of the debrided wound.

19 . The method of claim 18 , wherein treatment comprises applying an antibiotic to the debrided wound.

20 . The method of claim 18 , further comprising evaluating an efficacy of the treatment by comparing the first and second images of the fluorescence emitted by the debrided wound.

21 . The method of claim 1 , further comprising capturing a first white light image of the debrided wound with the camera of the mobile communication device prior to treatment of the debrided wound and capturing a second white light image of the debrided wound after treatment of the debrided wound.

22 . The method of claim 21 , further comprising evaluating an efficacy of the treatment by comparing the first and second white light images of the debrided wound.

23 . The method of claim 1 , wherein the mobile communication device is a cellular device, a tablet, and/or a smartphone.

24 . The method of claim 1 , wherein illuminating the wound with excitation light emitted by the excitation light source to cause the wound to emit fluorescence comprises illuminating the wound with excitation light have a wavelength of about 405±20 nm.

25 . The method of claim 1 , wherein illuminating the wound with excitation light emitted by the excitation light source to cause the wound to emit fluorescence comprises illuminating the wound with blue, blue/violet, or violet excitation light.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 19, 2025
From: DACOSTA, RALPH
To: UNIVERSITY HEALTH NETWORK
Reel/Frame 071297/0828 →
Continuity (6)
Continuation 18629603 · Apr 8, 2024
Continuation 18148861 · Dec 30, 2022
Continuation 16593174 · Oct 4, 2019
Continuation 15328214
Provisional Application 62028386 · Jul 24, 2014
Related Publication 20250166198A1 · May 22, 2025
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