WIRELESS CAPSULE ENDOSCOPE AND POWER SUPPLY CONTROL METHOD THEREOF

• US 20150011829A1
• Filed: 07/01/2014
• Published: 01/08/2015
• Est. Priority Date: 07/03/2013
• Status: Active Grant

• Current Assignee: Ankon Technologies Co.,Ltd
• Original Assignee: Ankon Technologies Co.,Ltd
• Inventors: Wang, Xinhong, XIAO, Guohua, DUAN, Xiaodong, WANG, Junjie
• Granted Patent: US 10,531,788 B2
• Time in Patent Office: Days
• US Class Current: 600/118
• CPC Class Codes: A61B 1/00036 Means for power saving, e.g. sleeping mode
• CPC Class Codes: A61B 1/041 Capsule endoscopes for imaging
• CPC Class Codes: A61B 1/045 Control thereof
• CPC Class Codes: A61B 2560/0209 adapted for power saving
• CPC Class Codes: A61B 5/07 Endoradiosondes
• CPC Class Codes: A61B 5/076 Permanent implantations telemetry using implanted circuitry A61B5/0031; implanted stimulators for therapy A61N1/3605, A61N1/362, A61N1/372

Abstract

The present invention relates to a wireless capsule endoscope and a power supply control method thereof. The method includes controlling the power supply of the capsule endoscope wirelessly and automatically adjusting power consumption of the power supply in the capsule endoscope. The wireless capsule endoscope includes a capsule casing, a light generator arranged at outside of the capsule casing, an opto-electronic switching starter arranged in the capsule casing, a power supply, a control module, a posture sensor, an illumination unit, an image processing device and a radio frequency transmission unit. The power supply being driven by the light generator in the present invention can effectively solve the incompatible problem between a traditional magnetic switch and a magnetic control device. Meanwhile, the control module and the posture detector enable the power supply to be in different working status under different states, which can prolong the service life of the power supply of the capsule endoscope.

Claims

1. A wireless capsule endoscope comprising an illumination unit, an image processing unit;

a radio frequency transmission unit and a power supply;

wherein the wireless capsule endoscope further comprises an opto-electronic switching starter, a control module, a posture sensor and an external light generator, the opto-electronic switching starter and the illumination unit being mounted on an annual illumination circuit board with through holes, the power supply being arranged between the image processing unit and the radio frequency transmission unit, and the control module and the posture sensor being disposed between the power supply and the radio frequency transmission unit.

2. The wireless capsule endoscope as claimed in claim 1, wherein the power supply is composed of silver oxide batteries and a power control board.

3. The wireless capsule endoscope as claimed in claim 1, wherein the control module performs to process information, and has a circuit module having chip resistors and chip capacitors for controlling voltage.

4. The wireless capsule endoscope as claimed in claim 1, wherein the posture sensor is a gravity sensor.

5. The wireless capsule endoscope as claimed in claim 1, wherein the light generator is consisting of at least one photodiode.

6. A power supply control method of a wireless capsule endoscope comprising:

externally and wirelessly controlling the power supply of the capsule endoscope and automatically adjusting power consumption of the power supply in the capsule endoscope; and

wherein

when the power supply is needed to be turned on, an external light generator generates certain intensity light beam which shining on an opto-electronic switching starter provided at interior of the capsule endoscope, and the opto-electronic switching starter converts the light signals to electrical signals to generate an opening pulse which make the power supply contact with the other constitution components of the capsule endoscope, then the constituent components of the capsule endoscope being in low power status;

when the capsule endoscope with the power supply turned on is located in a body cavity, according to the posture information detected by a posture sensor, a control module provided at interior of the capsule endoscope adjusts the power supply to keep on the low power status in an invalid state and output electrical power in a valid state.

7. The power supply control method as claimed in claim 6, wherein the wavelength of the light beam is 780 nm to 880 nm.

8. The power supply control method as claimed in claim 6, wherein the low power status means that the capsule endoscope does not photograph and transmit image information, and the valid state means that the position of the capsule endoscope is changing and the images picked up is unduplicated, and the invalid state means that the capsule endoscope is not located at an afflicted part of the body cavity or has been completed to photograph and transmit image information.