Two-dimensional ultrasonic scanning automatic tracking stone-breaking system of external impact wave stone-breaking machine

Abstract

The present invention discloses a two-dimensional ultrasonic scanning automatic tracking lithoclastic system of extracorporeal shock wave lithoclast machine. The system includes two-dimensional ultrasonic scanning machine, microcomputer and driving circuit for triggering the lithoclast machine to make it implement lithotrity. The two-dimensional ultrasonic scanning machine is connected with microcomputer by means of image collecting card interface, and the control output produced by microcomputer can be connected into the driving circuit. The microcomputer includes device for locking reference image, real-time image-collecting and comparison device and judgement device. It can greatly raise lithotriptic accuracy and efficiency.

Description

technical field [0001] The invention relates to a medical device, in particular to a B-ultrasonic automatic tracking lithotripsy system used in an extracorporeal shock wave lithotripter. Background technique [0002] Extracorporeal shock wave lithotripsy consists of the most basic lithotripsy system and positioning system. Accurate positioning is a prerequisite for safe and effective lithotripsy. During lithotripsy, it is required that the stones can be accurately moved to and fixed on the shock wave focal point. within the area. Most of the current extracorporeal shock wave lithotripters have a good therapeutic effect on urethral calculi. For the treatment of kidney stones, the kidney stones move greatly with the breathing of the human body and the stone hit rate is low, resulting in poor lithotripsy effect. During the process of lithotripsy, the position of the stone will change with the patient's respiration, the impact of the shock wave or the micro-movement of the body...

AI Technical Summary

Problems solved by technology

When the position of the stone changes greatly beyond the range of the target area, but the lithotripter continues to impact at the set frequency, it will damage the patient's soft tissue and cause serious adverse consequences

In the current lithotripsy process in China, the X-ray positioning is generally exposed once after impacting 500 to 600 times to observe whether the position of the stone has changed. While the B-ultrasound positioning can be monitored in real time, it must be manually operated. The hit rate largely depends on the skill and experience of the operator

Therefore, there are defects such as increased number of exposures, incapable of real-time monitoring of calculus position or inconvenient operation and difficulty in mastering skills

[0003] There are reports on stone localization in foreign countries, but no specific reports on automatic tracking of broken stones

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