Push type renal calyce calculus removing device

Abstract

The present invention relates to a kind of propelling calices calculus removal device, which comprises a mirror body and an outer sheath, the outer sheath is arranged at one end of the mirror body, and the mirror body is provided with a water inlet, a water outlet valve, an eyepiece and a light source; one end of the outer sheath is connected with a The propulsion assembly consists of a telescopic frame body and an elastic cylindrical film sleeved outside the telescopic frame body. The other end of the propulsion assembly is provided with a closure assembly, and the telescopic frame body and the closure assembly are driven by the drive assembly; the push-type kidney of the present invention The stone crushing end of the calices removal device can be extended into the calices, and the stones in the calices are placed in a closed space for crushing. The stone residue does not enter the body, there is no stone residue, and there is no damage to the surrounding tissues. The debris has little interference with the endoscopic field of view, which can significantly improve the efficiency and effect of the operation, and reduce the pain and burden of the patient.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to a push-type kidney stone removal device. Background technique [0002] Kidney stones are stones that occur in the renal calices, renal pelvis, and the junction between the renal pelvis and the ureter. Clinically, renal cast stones, multiple calculi, and calices are refractory renal stones. Extracorporeal shock wave lithotripsy (ESWL) is effective for such stones Minor, and more complications, and open surgery can cause renal parenchyma laceration, renal hemorrhage, and even nephrectomy. Due to the special structure of the kidney and the special environment in which the stones are located in the calices during the lithotripsy process, the space in the calices is small, and it is difficult for ordinary lithotripsy instruments to reach the calices, which makes it more troublesome to remove stones from the calices. The stone crushing machine entered the renal calices. During...

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Problems solved by technology

Due to the special structure of the kidney and the special environment in which the stones are located in the calices during the lithotripsy process, the space in the calices is small, and it is difficult for ordinary lithotripsy instruments to reach the calices, which makes it more troublesome to remove stones from the calices. The stone crushing machine entered the renal calices. During the stone crushing process, stone fragments easily entered the renal calices, resulting in residual stones. The operation was not complete and the treatment effect was not good.

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