Kidney stone clearing operation sheath

A technology for clearing stones and kidneys, which is applied in medical science, infusion sets, surgery, etc., and can solve problems such as waiting time, sepsis, and the impact of lithotripsy efficiency

Inactive Publication Date: 2016-05-18
SHENYANG SHENDA ENDOSCOPE
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, among the minimally invasive surgical instruments in my country at present, the renal operation sheath used for percutaneous nephrostomy lithotripsy has only a single tube, and percutaneous nephrostomy lithotripsy is often combined with negative pressure. Single channel requires both water inflow and water outflow. It requires surgical instrument operation and negative pressure suction. It is difficult to ensure a continuous and clear field of view, and it takes time to wait, which has a certain impact on the efficiency of lithotripsy.
Moreover, the pressure in the renal pelvis is too high during the lithotripsy process, which is prone to retrograde infection, leading to complications such as sepsis and sepsis

Method used

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Effect test

Embodiment Construction

[0012] refer to figure 1 and figure 2 , the present invention is made up of outer sheath 1, outer sheath obturator 6, inner sheath 2, suction joint 3. The outer sheath obturator 6 is inserted into the outer sheath 1 and punctured after being positioned and locked by the tapered surface. After the puncture, the outer sheath obturator 6 is pulled out, the inner sheath 2 is inserted into the outer sheath 1, and the tapered surface is positioned and locked. Insert the suction joint 3 into the inner sheath 2, and position and lock it against the tapered surface. The water inlet valve 4 provides a water inlet channel, and enters the body through the round hole at the front end of the outer tube in the outer sheath 1 . The flushing joint 5 provides passages for water outlet and calculus outlet, and is discharged through the lumen 7 of the inner sheath tube in the inner sheath 2 .

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Abstract

The invention relates to a kidney stone clearing operation sheath with a circulating water system, and aims to shorten operation time and prevent renal plevis internal pressure to be over high or too low, thus keeping a clear visual field; the kidney stone clearing operation sheath is convenient in dismounting; the kidney stone clearing operation sheath comprises an outer sheath (1), an outer sheath close device (6), an inner sheath (2), and a suction joint (3); the outer sheath is in a tubular shape, the head portion is provided with a water outlet, the rear portion is provided with a water inlet valve (4), and the end portion of the outer sheath is connected with the inner sheath (2); one side of the suction joint (3) is provided with a washing joint (5), and a water outgoing and stone path is provided; the head of the outer sheath close device (6) is in a conical form.

Description

technical field [0001] The invention relates to a kidney stone removal operation sheath, which is a kidney stone removal operation sheath with a circulating water system. technical background [0002] At present, percutaneous nephrostomy lithotripsy is mostly used in the treatment of kidney stones in urology. Percutaneous nephrostomy lithotripsy is performed first by percutaneous puncture, and then the puncture hole is enlarged until the operating sheath can be inserted. However, among the minimally invasive surgical instruments in my country at present, the renal operating sheath used for percutaneous nephrostomy lithotripsy is only a single tube, and percutaneous nephrostomy lithotripsy is often combined with negative pressure. With a single channel, both water inflow and outflow are required, and both surgical instrument operation and negative pressure suction are required. It is difficult to ensure a continuous and clear view, and it takes time to wait, which has a certai...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/22A61M3/02
Inventor 李雪梅陈冲曾宪久张雷于波
Owner SHENYANG SHENDA ENDOSCOPE
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