A urological urinary tract stone crushing structure

Abstract

The invention discloses a smashing structure for urinary stones in the urology department. According to the smashing structure, through a hidden bagged silica membrane, when liquid is injected, expanding and extending are realized, and the stones are smashed under vibration in cooperation with an external sound generator. The smashing structure is characterized in that a front ingress tube is placed into one end of a body tube and communicated with the body tube, a threaded tube is placed at the other end of the body tube and communicated with the body tube, the front ingress tube, the body tube and the threaded tube are coaxial, an annular groove is formed in the middle of the front ingress tube, the threaded tube is a copper threaded fitting, the threaded tube and the other end of the body tube are clamped, the inner diameter of the front ingress tube is identical to that of the body tube, the silica membrane sleeves the front ingress tube and is clamped into the annular groove through a fastening clamping ring, the silica membrane is in a bag shape, and a limiting ring is arranged on the inner wall of the body tube and provided with multiple arc-shaped gaps. A guiding rod is placed into the body tube, penetrates through the limiting ring and extends to the middle of the front ingress tube.

Description

technical field [0001] The invention relates to a lithotripsy structure for urinary calculus in urology, which relates to a lithotripsy structure for expanding the urinary tract and dredging stones during urinary calculus crushing, and belongs to the field of medical devices. In particular, it relates to a structure in which a hidden bag-shaped silicone membrane expands and expands when liquid is injected, and cooperates with an external sound wave generator to vibrate and crush stones. Background technique [0002] At present, the patients in the urology department are mainly patients with stones. In the process of crushing stones in the urinary tract, because there is a core of stones, the mechanism of their formation is mainly due to foreign bodies in the body, epithelial cells that have fallen off due to metabolism, etc. Stones in the urinary tract When the same liquid is discharged, the patient will feel pain, and bleeding or concurrent symptoms will occur along the lin...

AI Technical Summary

Problems solved by technology

[0004] Publication number CN103417262A discloses an integrated device for crushing stones, mainly installing a group of miniature electric vibrators on the wave source of the extracorporeal shock wave lithotripter or the body of the lithotripter, and the vibrator contacts the epidermis near the crushed stones of the patient. Through mechanical vibration, the gravity field of the crushed stone in the patient's tissue changes according to the needs of stone removal. The device crushes stones through mechanical vibration. The vibration frequency required for stone crushing is relatively high, and it is difficult to reach high frequency only with mechanical vibration. , the gravel is not thorough enough

[0005] Publication No. CN108175475A discloses a urological urethral calculus lithotripsy device, which includes an entry rod, a circular inner cylinder is opened inside one end of the entry rod, and a piston is slidably inserted into the inner wall of the circular inner cylinder, and A telescopic rod is welded on the outer wall of one side of the piston, and the middle position of the outer wall of one end of the entry rod is fixedly provided with a limit nut, and a screw connection is formed between the limit nut and the telescopic rod, and the telescopic rod is far away from the outer wall of one end of the entry rod. The connecting plate is welded, the structure of this invention is complicated, it cannot block the form of stones, and there is a risk of displacement of crushed stones

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