capsule endoscopy

Abstract

The invention discloses a capsule endoscope, which comprises a battery, a permanent magnet and functional components powered by the battery. The permanent magnet is connected in parallel with a connecting piece, which can conduct electricity and has an internal resistance smaller than that of the permanent magnet, so as to short-circuit the permanent magnet. The connecting piece One end connects to the battery and the other end connects to the functional unit. A connecting piece with good conductivity is added between the battery and the permanent magnet. The battery supplies power to the capsule circuit board through the connecting piece, avoiding the loss of power supply performance caused by the permanent magnet conduction, and maintaining the original discharge performance of the battery to the greatest extent. It can reduce the impact of the permanent magnet on the battery. At the same time, there is no need to change the arrangement of the battery and the permanent magnet in the prior art. The battery and the permanent magnet are still connected in series, which does not increase too much space that needs to be occupied, and realizes the maintenance of battery discharge. High performance while saving assembly space.

Description

technical field [0001] The invention relates to the technical field of medical equipment, in particular to a capsule endoscope. Background technique [0002] With the advent of magnetically controlled capsule endoscopy, the indications for capsule endoscopy have expanded from the small intestine to the colon and even the stomach. The principle of magnetically controlled capsule endoscopy is to place a small permanent magnet inside the capsule, and use the mutual force between the magnets to allow the movement of the capsule to be controlled by changes in the magnetic field outside the body, realizing the control of the capsule outside the body. [0003] Since the magnetically controlled capsule needs to be equipped with image sensors, microprocessors and other components, the placement of the permanent magnet inside the capsule needs to be considered to avoid occupying too much space in the magnetically controlled capsule. Since permanent magnets are generally conductive, a...

AI Technical Summary

Problems solved by technology

However, because the permanent magnet itself has a certain internal resistance, and the material is special, it cannot be made of other materials with small internal resistance, thus increasing the internal resistance of the power supply

The internal resistance of the power supply directly affects the overall performance of the power supply. Excessive internal resistance will weaken the discharge capacity of the battery, especially for batteries with relatively weak stability, and may even cause the capsule to fail to power on normally.

Images