CN-122004724-A - Capsule endoscope and capsule type endoscope system

Abstract

The application discloses a capsule endoscope and a capsule endoscope system, which are applied to the technical field of medical appliances and aim to solve the problems of large workload, low use convenience and poor experience in the related technology, and the capsule endoscope comprises an image sensor, a microcontroller, a wireless communication module and a triaxial accelerometer, wherein the information interaction ends of the image sensor, the wireless communication module and the triaxial accelerometer are respectively connected with a first end, a second end and a third end of the microcontroller; the image sensor sends the image information of the current position of the capsule endoscope to the microcontroller by acquiring the image information of the current position of the capsule endoscope, the triaxial accelerometer acquires triaxial acceleration data in real time and sends the triaxial acceleration data to the microcontroller, the microcontroller sends the image information to the image recorder for display through the wireless communication module, peristaltic frequency is determined according to the triaxial acceleration data, and the current position is determined according to the peristaltic frequency.

Inventors

• CHEN RONGRUI
• Wei Peilan
• YANG LI

Assignees

• 重庆金山科技集团股份有限公司

Dates

Publication Date

20260512

Application Date

20260330

Claims (10)

1. 1. The capsule endoscope is characterized by comprising an image sensor, a microcontroller, a wireless communication module and a triaxial accelerometer, wherein an information interaction end of the image sensor is connected with a first end of the microcontroller, an information interaction end of the wireless communication module is connected with a second end of the microcontroller, and an information interaction end of the triaxial accelerometer is connected with a third end of the microcontroller, wherein: The image sensor is used for acquiring image information of the current position of the capsule endoscope and sending the image information to the microcontroller; the triaxial accelerometer is used for acquiring triaxial acceleration data in real time and transmitting the triaxial acceleration data to the microcontroller; The microcontroller is used for sending the image information to the image recorder for display through the wireless communication module, determining peristaltic frequency according to the triaxial acceleration data and determining the current position according to the peristaltic frequency.
2. 2. The capsule endoscope of claim 1, wherein the determining peristaltic frequency from the tri-axial acceleration data comprises: Determining an acceleration vector sum according to acceleration values corresponding to the axes in the triaxial acceleration data; Determining an acceleration average value according to the sum of a plurality of acceleration vectors which are preset recently; determining an acceleration alternating current component based on the acceleration vector corresponding to the latest moment and the acceleration average value; Based on the acceleration ac component, a peristaltic frequency is determined.
3. 3. The capsule endoscope of claim 2, wherein determining a peristaltic frequency based on the acceleration ac component comprises: filtering the acceleration alternating current component to obtain an acceleration data sequence code; And determining peristaltic frequency according to the positions of adjacent wave peaks in the acceleration data sequence code.
4. 4. The capsule endoscope of claim 2, wherein the determining an acceleration alternating current component based on an acceleration vector corresponding to a latest time and the acceleration average value comprises: and taking the difference value between the acceleration vector corresponding to the latest moment and the average value of the acceleration as an acceleration alternating current component.
5. 5. The capsule endoscope of claim 1, wherein determining the current location based on the peristaltic frequency comprises: Determining a target position corresponding to the peristaltic frequency according to the peristaltic frequency combined with a pre-established corresponding relation between the peristaltic frequency and the position; and taking the target part as the current part.
6. 6. The capsule endoscope of claim 1, wherein the microcontroller is further configured to send location information of the current location to the image recorder if the current location is determined to be a preset location, so that the image recorder can perform a corresponding prompt based on the location information.
7. 7. The capsule endoscope of claim 1, wherein the wireless communication module comprises a radio frequency circuit and an antenna, a first end of the radio frequency circuit being connected to the second end of the microcontroller, a second end of the radio frequency circuit being connected to the antenna.
8. 8. The capsule endoscope of claim 1, further comprising an LED light connected to the microcontroller, a control terminal of the LED light being connected to a fourth terminal of the microcontroller.
9. 9. The capsule endoscope of claim 1, further comprising a power module, an output of the power module being connected to a power source of the image sensor, the microcontroller, the wireless communication module, the tri-axial accelerometer, and the LED light.
10. 10. A capsule endoscope system comprising a capsule endoscope according to any one of claims 1 to 9 and an image recorder wirelessly connected to the capsule endoscope.

Description

Capsule endoscope and capsule type endoscope system Technical Field The application relates to the technical field of medical instruments, in particular to a capsule endoscope and a capsule endoscope system. Background The capsule endoscope system mainly comprises a capsule endoscope and an image recorder, after a patient swallows the capsule endoscope, the capsule endoscope moves passively in the body along with the peristaltic motion of the alimentary canal and the action of gravity, images in the cavity of the alimentary canal are photographed in real time through a built-in photographing unit, and the collected images are continuously sent to the image recorder worn by the patient for storage in a wireless transmission mode, so that the doctor can look over the images subsequently. In the examination process, the accurate knowledge of the position of the capsule endoscope has important clinical significance, for example, a part of digestive tract examination needs to take specific medicines after the capsule endoscope enters the small intestine so as to clean the intestinal tract, improve the imaging quality and the examination effect. The existing capsule endoscope system generally lacks an automatic positioning function, a doctor cannot directly know the real-time position of the capsule endoscope, only can manually check real-time images returned by the capsule endoscope, and the capsule endoscope is judged to be positioned in the stomach, the small intestine or the colon frame by frame. Disclosure of Invention The embodiment of the application aims to provide a capsule endoscope and a capsule endoscope system, which can position the capsule endoscope in real time in the use process, reduce the workload of medical staff, are convenient to use and are beneficial to improving the use experience. In order to solve the technical problems, the embodiment of the application provides the following technical scheme: The application provides a capsule endoscope, which comprises an image sensor, a microcontroller, a wireless communication module and a triaxial accelerometer, wherein an information interaction end of the image sensor is connected with a first end of the microcontroller, an information interaction end of the wireless communication module is connected with a second end of the microcontroller, and an information interaction end of the triaxial accelerometer is connected with a third end of the microcontroller, wherein: The image sensor is used for acquiring image information of the current position of the capsule endoscope and sending the image information to the microcontroller; the triaxial accelerometer is used for acquiring triaxial acceleration data in real time and transmitting the triaxial acceleration data to the microcontroller; The microcontroller is used for sending the image information to the image recorder for display through the wireless communication module, determining peristaltic frequency according to the triaxial acceleration data and determining the current position according to the peristaltic frequency. In one embodiment, the determining the peristaltic frequency from the triaxial acceleration data includes: Determining an acceleration vector sum according to acceleration values corresponding to the axes in the triaxial acceleration data; Determining an acceleration average value according to the sum of a plurality of acceleration vectors which are preset recently; determining an acceleration alternating current component based on the acceleration vector corresponding to the latest moment and the acceleration average value; Based on the acceleration ac component, a peristaltic frequency is determined. In one embodiment, determining the peristaltic frequency based on the acceleration ac component includes: filtering the acceleration alternating current component to obtain an acceleration data sequence code; And determining peristaltic frequency according to the positions of adjacent wave peaks in the acceleration data sequence code. In one embodiment, the determining the acceleration alternating current component based on the acceleration vector corresponding to the latest time and the acceleration average value includes: and taking the difference value between the acceleration vector corresponding to the latest moment and the average value of the acceleration as an acceleration alternating current component. In one embodiment, determining the current location based on the peristaltic frequency includes: Determining a target position corresponding to the peristaltic frequency according to the peristaltic frequency combined with a pre-established corresponding relation between the peristaltic frequency and the position; and taking the target part as the current part. In one embodiment, the microcontroller is further configured to send, when determining that the current location is a preset location, location information of the current location to the image recorder, so that th