Transurethral ureter hard convection negative pressure channel lithotripsy and lithotripsy device

Abstract

The invention discloses a transurethral ureter hard convection negative pressure channel lithotripsy and lithotripsy device which comprises a ureter hard mirror and a negative pressure suction pipe, two arc-shaped clamping plates are slidably connected to the outer side of the end, away from the ureter hard mirror, of the negative pressure suction pipe, and two first sliding grooves are formed in the ureter hard mirror and the negative pressure suction pipe correspondingly; and an extrusion mechanism used for extruding the arc-shaped clamping plates and enabling the two arc-shaped clamping plates to be far away from each other when the arc-shaped clamping plates are extruded is arranged in the first sliding groove. When large broken stone is encountered, the moving plate is pushed to drive the first extrusion plate to move in the first sliding groove, when the first extrusion plate extrudes the arc-shaped clamping plates, the arc-shaped clamping plates move in a second sliding groove, the two arc-shaped clamping plates are far away from each other, and when the distance between the two arc-shaped clamping plates is increased, boken stones can be accommodated in the device, so that the urethra is prevented from being hurt by larger broken stones or sharp parts of the broken stones.

Description

technical field [0001] The invention relates to the field of medical devices, in particular to a lithotripsy device for transurethral ureteral rigid convection negative pressure channel. Background technique [0002] The urine is first filtered by the kidneys and then discharged from the urethra. The kidneys and urine usually contain certain toxins and sediments. If the sediments accumulate too much, kidney or urinary tract stones are formed. For these stones, transurethral ureteral rigidity can be used. Convective negative pressure channel holmium laser lithotripsy requires the use of rigid ureteroscopes and some specific equipment for lithotripsy. The main procedure of the operation is divided into three steps: lithotripsy, convective irrigation, and negative pressure suction. [0003] However, even after the stones are crushed, it often happens that some larger crushed stones cannot be completely sucked out of the patient's urethra by the negative pressure suction tube, a...

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Problems solved by technology

[0003] However, even after the stones are crushed, it often happens that some larger crushed stones cannot be completely sucked out of the patient's urethra by the negative pressure suction tube, and the shape of the stones is irregular after being crushed. In the process of negative pressure suction, gravel is likely to cause damage to the urethra. Therefore, we propose a transurethral ureteral rigid convection negative pressure channel lithotripsy device

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