PORTABLE 2-DIMENSION OXIMETER IMAGE DEVICE

• US 20140128695A1
• Filed: 05/20/2013
• Published: 05/08/2014
• Est. Priority Date: 11/08/2012
• Status: Abandoned Application

• Current Assignee: National Chiao Tung University (Government of The Republic of China)
• Original Assignee: National Chiao Tung University (Government of The Republic of China)
• Inventors: Fang, Wai-Chi, Chen, Tien-Ho, Kang, Shih, Wu, Shih-Yang, Cheng, Ching-Ju
• Application Number:
  US13/897,845
• Publication Number:
  US 20140128695A1
• Time in Patent Office: Days
• US Class Current: 600/323
• CPC Class Codes: A61B 5/14552 Details of sensors specially adapted therefor

Abstract

A portable 2-dimension oximeter image device is disclosed. The portable 2-dimension oximeter image device includes a plurality of light sources for emitting light to an object to be measured such that a plurality of sensors can sense the intensity of reflected light from the measured object; an analysis processor for receiving the light intensity sensed by the front-end detectors to analyze and calculate based on an oxygen saturation distribution algorithm to generate oxygen saturation distribution information; an image reconstruction unit for reconstructing an image according to the oxygen saturation distribution information to generate image information with a color scale to demonstrate the differences in the object'"'"'s oxygen saturation in each regional tissue of the object, thereby providing an effective and accurate regional detection range.

Claims

1. A portable 2-dimension oximeter image device, including:

a front-end detector having a plurality of light sources and a plurality of sensors, the plurality of light sources emitting light to an object to be measured and the plurality of sensors sensing intensity of reflected light from the object;

an analysis processor receiving the intensity of the reflected light sensed by the front-end detector and analyzing the intensity of the reflected light to generate oxygen saturation distribution information based on an oxygen saturation distribution algorithm; and

an image reconstruction unit reconstructing an image according to the oxygen saturation distribution information to generate image information with a color scale to demonstrate oxygen saturation in each regional tissue of the object.

2. The portable 2-dimension oximeter image device of claim 1, wherein the front-end detector comprises a detection panel made of a flexible printed circuit board.

3. The portable 2-dimension oximeter image device of claim 1, wherein the front-end detector includes a digital multiplexer and an analog demultiplexer for controlling the plurality of light sources and the plurality of sensors respectively.

4. The portable 2-dimension oximeter image device of claim 1, wherein the light sources is a dual wavelength light source.

5. The portable 2-dimension oximeter image device of claim 1, wherein the oxygen saturation distribution information contains coordinate values of each regional tissue of the object and oxygen saturation values corresponding to the coordinate values.

6. The portable 2-dimension oximeter image device of claim 1, wherein the analysis processor comprises:

a storing unit for storing setting parameters concerning detecting and sampling;

a sampling unit for generating sampling instructions of the front-end detector in accordance with the setting parameters;

a front-end control unit connected to the front-end detector for issuing a control signal based on the sampling instructions; and

a computing unit for performing the oxygen saturation distribution algorithm to calculate the oxygen saturation corresponding to the intensity of the reflected light.

7. The portable 2-dimension oximeter image device of claim 6, wherein the analysis processor comprises:

a decoding processing unit for receiving the setting parameters from a user interface to decode the setting parameters and storing decoded results in the storing unit; and

an encoding unit for encoding the intensity of the reflected light to provide data of the intensity of the reflected light by the user interface.

8. The portable 2-dimension oximeter image device of claim 6, wherein, the setting parameters include the intensity of the reflected light, absorption coefficients of oxygenated hemoglobin and absorption coefficients of deoxygenated hemoglobin.

9. The portable 2-dimension oximeter image device of claim 6, wherein the setting parameters include a sampling rate of the front-end detector and an updating rate of the image information.

10. The portable 2-dimension oximeter image device of claim 1, wherein the image reconstructing unit uses interpolation for reconstructing the image information.