Method of detecting a state of a coated gel

Patent metadata

Field	Value
Publication number	US-9528964-B2
Application number	US-201414249347-A
Country	US
Kind code	B2
Filing date	Apr 9, 2014
Priority date	Apr 11, 2013
Publication date	Dec 27, 2016
Grant date	Dec 27, 2016

Abstract

A method of detecting a state of a coated gel coated on an ultrasound probe includes coating a gel on the ultrasound probe, scanning and generating a scanned image, dividing the scanned image into a strong echo area and a weak echo area, and detecting signal variation in the strong echo area of the scanned image to determine the state of the coated gel coated on the ultrasound probe.

First claim

What is claimed is:

1. A method of detecting a state of a coated gel coated on an ultrasound probe, the method comprising:
coating a gel on the ultrasound probe;
scanning and generating a scanned image;
dividing the scanned image into a strong echo area and a weak echo area; and
detecting signal variation in the strong echo area of the scanned image to determine the state of the coated gel coated on the ultrasound probe.

2. The method of claim 1 , further comprising:
generating a standard image by the ultrasound probe;
calculating signal intensity average values corresponding to different depths according to a signal intensity distribution of scan lines of the standard image; and
analyzing the signal intensity average values corresponding to the different depths statistically to generate a critical intensity value for dividing the standard image into a strong echo area and a weak echo area.

3. The method of claim 2 , further comprising:
calculating positions of pixels with maximum signal intensity corresponding to the scan lines in the strong echo areas of the scanned image and the standard image;
calculating a distance difference between the positions of the pixels with the maximum signal intensity of the scanned image and the standard image; and
determining whether the distance difference between the positions of the pixels with the maximum signal intensity of the scanned image and the standard image exceeds a first threshold.

4. The method of claim 3 , further comprising:
determining a thickness of the coated gel measures up as the distance difference between the positions of the pixels with the maximum signal intensity of the scanned image and the standard image is less than 0.2 mm, and determining the thickness of the coated gel does not measure up to display a corresponding information that the thickness of the coated gel does not measure up on a user interface as the distance difference between the positions of the pixels with the maximum signal intensity of the scanned image and the standard image exceeds the first threshold.

5. The method of claim 2 , wherein the ultrasound probe is selectively on a contact scanning state or on a non-contact scanning state, and the ultrasound probe generates the scanned image and the standard image under the non-contact scanning state.

6. The method of claim 2 , further comprising:
calculating maximum signal intensity values corresponding to the scan lines in the strong echo areas of the scanned image and the standard image;
calculating an intensity variation between the maximum signal intensity values corresponding to the scan lines in the strong echo areas of the scanned image and the standard image;
determining whether the intensity variation between the maximum signal intensity values corresponding to the scan lines in the strong echo areas of the scanned image and the standard image is lower than a second threshold.

7. The method of claim 6 , further comprising determining a connection of the coated gel measures up as the intensity variation between the maximum signal intensity values corresponding to the scan lines in the strong echo areas of the scanned image and the standard image exceeds 15 percent.

8. The method of claim 6 , further comprising displaying a corresponding information that the connection of the coated gel does not measure up on a user interface, as the intensity variation between the maximum signal intensity values corresponding to the scan lines in the strong echo areas of the scanned image and the standard image is lower than the second threshold.

9. The method of claim 2 , further comprising determining a consistency of the coated gel according to a distance difference between positions of pixels with maximum signal intensity of the scanned image and the standard image, and an intensity variation between maximum signal intensity values corresponding to the scan lines in the strong echo areas of the scanned image and the standard image.

10. The method of claim 1 , further comprising a gel supplying unit coupled to the ultrasound probe supplying the gel on the ultrasound probe as determining the state of the coated gel does not measure up.

11. A method of supplying a gel on an ultrasound probe, the method comprising:
providing a gel supplying unit coupled to the ultrasound probe;
scanning and generating a scanned image;
dividing the scanned image into a strong echo area and a weak echo area; and
detecting signal variation in the strong echo area of the scanned image to selectively supply the gel on the ultrasound probe to form a coated gel by the gel supplying unit.

12. The method in claim 11 , further comprising:
generating a standard image by the ultrasound probe;
calculating signal intensity average values corresponding to different depths according to a signal intensity distribution of scan lines of the standard image; and
analyzing the signal intensity average values corresponding to the different depths statistically to generate a critical intensity value for dividing the standard image into a strong echo area and a weak echo area.

13. The method of claim 12 , further comprising:
calculating positions of pixels with maximum signal intensity corresponding to the scan lines in the strong echo areas of the scanned image and the standard image;
calculating a distance difference between the positions of the pixels with the maximum signal intensity of the scanned image and the standard image; and
determining whether the distance difference between the positions of the pixels with the maximum signal intensity of the scanned image and the standard image exceeds a first threshold.

14. The method of claim 13 , further comprising:
determining a thickness of the a coated gel coated on an ultrasound probe measures up as the distance difference between the positions of the pixels with the maximum signal intensity of the scanned image and the standard image is less than 0.2 mm, and determining the thickness of the coated gel does not measure up to display a corresponding information that the thickness of the coated gel does not measure up on a user interface as the distance difference between the positions of the pixels with the maximum signal intensity of the scanned image and the standard image exceeds the first threshold.

15. The method of claim 12 , wherein the ultrasound probe is selectively on a contact scanning state or on a non-contact scanning state, and the ultrasound probe generates the scanned image and the standard image under the non-contact scanning state.

16. The method of claim 12 , further comprising:
calculating maximum signal intensity values corresponding to the scan lines in the strong echo areas of the scanned image and the standard image;
calculating an intensity variation between the maximum signal intensity values corresponding to the scan lines in the strong echo areas of the scanned image and the standard image; and
determining whether the intensity variation between the maximum signal intensity values corresponding to the scan lines in the strong echo areas of the scanned image and the standard image is lower than a second threshold.

17. The method of claim 16 , further comprising determining a connection of the coated gel measures up as the intensity variation between the maximum signal intensity values corresponding to the scan lines in the strong echo areas of the scanned image and the standard image exceeds 15 percent.

18. The method of claim 16 , further comprising displaying a corresponding information that the connection of the

Assignees

• Qisda (Suzhou) Co Ltd
• Qisda Corp

Inventors

• Chang Tang-Chen

Classifications

• G01N29/11

  by measuring attenuation of acoustic waves · CPC title

• G01N29/48

  by amplitude comparison · CPC title

• G01N29/0654 Primary

  Imaging · CPC title