Nephroscope used for percutaneous nephrolithotomy

Abstract

The invention relates to a nephroscope used for percutaneous nephrolithotomy. The nephroscope comprises a rigid endoscope, and a plurality of instrument channels, a water inlet channel, a water outletchannel, a cold light source input end, an eyepiece input end and an image data output end which communicate with the end of the rigid endoscope, wherein the rigid endoscope is linear; the front endof the rigid endoscope is a non-bent end; specifically, the front end is the front end of the rigid endoscope in the axial advancing direction; the included angle between the plane where a front end port of the rigid endoscope is located and the radial plane of the rigid endoscope is 30-60 degrees; and a liquid channel, a laser device and an imaging device are arranged in the rigid endoscope.

Description

technical field [0001] The invention relates to the field of medical instruments, in particular to a new type of medical tool for carrying out percutaneous kidney surgery in modern medicine, that is, a percutaneous nephroscope. Background technique [0002] Percutaneous nephroscopic surgery is a means to solve the problem of kidney stones. The rigid percutaneous nephroscope enters the kidney through a passage from the skin to the kidney established at the waist, and uses lasers, ultrasound and other lithotripsy tools to crush and remove the kidney stones. The wound is small, so the damage to the human body is also small. [0003] In the prior art, when percutaneous nephroscopic surgery deals with stones in blind spots, it may be difficult to find stones due to the limited viewing angle at the end of the traditional hardscape lens, and the instrument channel is integrated with the water channel, even if the stone is in the Within the visible range, because the laser fiber ca...

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Problems solved by technology

[0003] In the prior art, when percutaneous nephroscopic surgery deals with stones in blind spots, it may be difficult to find stones due to the limited viewing angle at the end of the traditional hardscape lens, and the instrument channel is integrated with the water channel, even if the stone is in the Within the visible range, because the laser fiber cannot be bent by itself, it is still impossible to aim at the lithotripsy. If the angle of the lens is changed forcibly or the puncture channel is increased, it will cause damage to the kidney tissue, prolong the operation time, and increase the risk of complications such as channel bleeding. probability

[0004] Existing Chinese patents (such as CN202859076U, CN202682049U, etc.) disclose percutaneous nephroscopes with a bendable front end. It is not practical when the water is not obvious and the neck of the cup is narrow, etc.

The linear mirror body is the best choice for percutaneous nephroscopic surgery, but the linear mirror body still has many shortcomings mentioned above

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