IP Library Granted Patent US 10,617,303
Granted Patent B2
US 10,617,303 · App. 15/663,313 · Granted Apr 14, 2020

Functional optical coherent imaging

Inventors: Theo Lasser (Denges, CH); Dimitri Van De Ville (Nyon, CN); Erica Martin-Williams (Pully, CH); Marcel Leutenegger (Göttingen, DE); Iwan Maerki (Yverdon-les-Bains, CH); Michael Friedrich (Lausanne, CH); Martin Villiger (Ecublens, CH)
Assignee: ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE (EPFL)
A61B5/0066A61B3/1233A61B5/0048A61B5/0059A61B5/02028A61B5/726A61B5/7278A61B5/742A61B3/102A61B5/413A61B5/7203
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 10,617,303
App. No.
15/663,313
Filed
Jul 28, 2017
Granted
Apr 14, 2020
Kind
B2
Art Unit
3792
USPC
600/477
Abstract

A functional optical coherent imaging (fOCI) platform includes at least one active camera unit (ACU) having a coherent and/or a partially coherent light source, and means for spectral filtering and imaging a selected body area of interest; an image processing unit (IPU) for pre-processing data received from an ACU; at least one stimulation unit (STU) transmitting a stimulation to a subject; at least one body function reference measurement unit (BFMU); a central clock and processing unit (CCU), with interconnections to the ACU, the IPU, the STU, for collecting pre-processed data from the IPU, stimuli from the STU body function reference data from the BFMU in a synchronized manner; a post-processing unit (statistical analysis unit, SAU); and an operator interface (HOD. A process for acquiring stimuli activated subject data includes aligning a body function unit at a subject and monitoring pre-selected body function; selecting a stimulus or stimuli; imaging a body area of interest; exerting one or a series of stimuli on the subject; imaging the body area of interest synchronous with said stimuli and the preselected body functions; and transferring said synchronized image, stimuli and body function data to a statistical analysis unit (SAU) and performing calculations to generate results pertaining to body functions.

Claims (21)

1. A functional optical coherent platform for imaging a subject comprising:

a laser speckle contrast imaging system including a light source and a camera for capturing image information related to blood perfusion in the tissue of the subject;

a body function measurement unit for monitoring one of the subject's internal functions, said internal function being something other than blood flow or tissue perfusion;

a processor for generating images of tissue perfusion based on the captured image information and modified by the monitored body function; and

a display for displaying the modified images.

2. A functional optical coherent platform as recited in claim 1 wherein the images are modified by removing information associated with the monitored body function.

3. A functional optical coherent platform as recited in claim 1 further including a body stimulation unit for transmitting an external stimulus to the subject.

4. A functional optical coherent platform as recited in claim 3 wherein the external stimulus is one of optical acoustic, electrical, thermal and chemical signals.

5. A functional optical coherent platform as recited in claim 1 further including a central clock in communication with the imaging system, body function measurement unit and processor for labeling the acquired data with a time to permit synchronizing the acquisition of data.

6. A functional optical coherent platform as recited in claim 1 wherein the displayed image is a perfusion map.

7. A functional optical coherent platform as recited in claim 1 wherein the body function is one or more of breathing, heart beat, myogenic activities, and neurogenic activities

8. A functional optical coherent platform for imaging a subject comprising:

a laser speckle contrast imaging system including a light source and a camera for capturing information related to blood perfusion in the tissue of the subject;

a body stimulation unit for transmitting an external stimulus to the subject wherein said external stimulus changes tissue perfusion;

a processor for generating images of tissue perfusion based on the captured image information as modified by the external stimulus;

a central clock in communication with the imaging system, body stimulation unit and processor for labeling the acquired data with a time to permit synchronizing the acquisition of data; and

a display for displaying the modified images.

9. A functional optical coherent platform as recited in claim 8 wherein the external stimulus is one of optical, acoustic, electrical, thermal and chemical signals.

10. A functional optical coherent platform as recited in claim 8 further including a body function measurement unit for monitoring one of the subject's breathing or heart beat or myogenic activities or neurogenic activities.

11. A functional optical coherent platform as recited in claim 10 wherein the images are modified by removing information associated with the monitored body function.

12. A functional optical coherent platform as recited in claim 8 wherein the displayed image is a perfusion map.

Assignments (4)
CORRECTIVE ASSIGNMENT TO CORRECT THE ERRONEOUSLY FILED AGAINST APPLICATION NO. 15/570,072 PREVIOUSLY RECORDED AT REEL: 044910 FRAME: 0507. ASSIGNOR(S) HEREBY CONFIRMS THE MERGER AND CHANGE OF NAME. Recorded May 3, 2021
From: NOVADAQ TECHNOLOGIES INC.
To: NOVADAQ TECHNOLOGIES ULC
Reel/Frame 056425/0530 →
MERGER AND CHANGE OF NAME Recorded Dec 19, 2017
From: NOVADAQ TECHNOLOGIES INC.; STRYKER CANADA OPERATIONS ULC
To: NOVADAQ TECHNOLOGIES ULC
Reel/Frame 044910/0507 →
RELEASE OF SECURITY INTEREST Recorded Sep 8, 2017
From: MIDCAP FUNDING IV TRUST (AS SUCCESSOR AGENT TO MIDCAP FINANCIAL TRUST)
To: NOVADAQ TECHNOLOGIES INC.; NOVADAQ CORP.
Reel/Frame 043786/0344 →
RELEASE OF SECURITY INTEREST Recorded Sep 8, 2017
From: MIDCAP FINANCIAL TRUST
To: NOVADAQ TECHNOLOGIES INC.; NOVADAQ CORP.
Reel/Frame 043788/0799 →