A percutaneous nephroscope with a preset side hole

Abstract

The utility model discloses a percutaneous nephroscope sheath of preset lateral hole in the technical field of percutaneous nephroscope sheath, include: the circumference lateral wall of main channel pipe is evenly provided with the plug along the axial direction of main channel pipe, the recess for the plug is set up between plug and main channel pipe and is used for the plug and is formed on main channel pipe and forms the drainage lateral hole, the circumference lateral wall of main channel pipe is also set up along the axial direction of main channel pipe and is used for the drainage hole of drainage, the sealing head is connected with main channel pipe through drainage hole, the connecting line of convenient dismantling is arranged between sealing head and drainage hole, through the recess of being set up on the lateral wall of main channel pipe, through the recess and form the plug on main channel pipe, and the plug will form the drainage lateral hole on the lateral wall of main channel pipe and be taken down, and the water flow will be discharged from the drainage lateral hole, and the stone fragment will also be discharged from the drainage lateral hole, and the stone removal path is shortened, and the stone removal efficiency is improved, and the drainage efficiency is improved through lateral hole drainage, and the intrarenal pressure is reduced.

Description

Technical Field

[0001] This utility model relates to the field of percutaneous nephroscope sheath technology, specifically a percutaneous nephroscope sheath with a pre-set side hole. Background Technology

[0002] A percutaneous nephrolithotomy sheath is a medical device used in percutaneous nephrolithotomy. It is mainly used to establish and maintain a surgical channel so that the nephroscope and other surgical instruments can be smoothly inserted into the kidney for operation.

[0003] The existing percutaneous nephrolithotomy sheath has its outlet at the top, and the stones broken up during the operation are also discharged from the top outlet. Because the outlet is at the top, the stone discharge path is long, resulting in low stone removal efficiency. At the same time, the high outlet cannot drain water quickly, resulting in high pressure in the renal pelvis, which in turn increases the incidence of postoperative infection complications. Therefore, how to shorten the stone removal and drainage path, improve surgical efficiency, and further reduce intrarenal pelvis pressure is a problem that urgently needs to be solved by the technical personnel in this field. Utility Model Content

[0004] The purpose of this invention is to provide a percutaneous nephrolithotomy sheath with a pre-set side hole, in order to solve the problem mentioned in the background art that the outlet of the existing percutaneous nephrolithotomy sheath is at the top. During the operation, the broken stones are also discharged from the outlet at the top. Because the outlet is at the top, the path of stone discharge is long, resulting in low stone discharge efficiency. At the same time, the high outlet cannot drain water quickly, resulting in high water pressure in the body. High water pressure can cause water to flow back into the kidneys, causing infection.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a percutaneous nephrolithotomy sheath with a pre-set side hole, comprising:

[0006] The main channel pipe has plugs evenly arranged along the axial direction of the main channel pipe on its outer circumferential wall. A groove for disassembling the plug and forming a drainage measurement and control on the main channel pipe is provided between the plug and the main channel pipe.

[0007] Preferably, a drain hole for draining liquid is also provided on the outer circumferential wall of the main channel pipe along the axial direction of the main channel pipe.

[0008] Preferably, it also includes a sealing head, which is connected to the main channel pipe through the drain hole, and a connecting line for easy disassembly is provided between the sealing head and the drain hole.

[0009] Preferably, a sealing gasket is embedded on the outer circumferential wall of the sealing head, and the sealing gasket contacts the inner wall of the drain hole to seal the drain hole, and the sealing head is fixed in the drain hole by the sealing gasket.

[0010] Preferably, it also includes an L-shaped punch, which is inserted into the main channel tube to knock out the plug or sealing head.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] By creating a groove on the side wall of the main channel tube, a plug is formed in the main channel tube. Removing the plug will create a drainage side hole on the side wall of the main channel tube. Water will flow out from the drainage side hole, and stone fragments will also be discharged from the drainage side hole. This shortens the stone discharge path and improves the stone discharge efficiency. At the same time, the drainage from the side hole improves the drainage efficiency, thereby effectively reducing the water pressure in the kidney, preventing the backflow of fluid from the renal pelvis into the blood vessels, and reducing the risk of infection. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model;

[0014] Figure 2 This is a schematic diagram of the main channel pipe and the drain hole of this utility model;

[0015] Figure 3 This is a schematic diagram showing the main channel pipe and sealing head of this utility model;

[0016] Figure 4 This is a cross-sectional view of the material receiving trough of this utility model;

[0017] Figure 5 This is a schematic diagram of the connection structure between the main channel pipe and the L-shaped opening device of this utility model.

[0018] Figure 6 This is a schematic diagram of the L-shaped hole opener of this utility model.

[0019] In the diagram: 100 main channel pipe, 110 groove, 120 drain hole, 200 plug, 300 sealing head, 310 connecting line, 320 sealing gasket, 400 L-type hole opener. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] This invention provides a percutaneous nephrolithotomy sheath with a pre-set side hole. A groove is created on the side wall of the main channel tube, forming a plug within the tube. Removing the plug creates a drainage side hole on the side wall of the main channel tube, allowing water and stone fragments to drain out. This shortens the stone removal path and improves efficiency. Simultaneously, the side hole drainage enhances drainage efficiency, effectively reducing intraoperative intrarenal pelvic pressure, preventing backflow of renal pelvic fluid into blood vessels, and lowering the risk of infection. (See also...) Figure 1 Includes: main channel pipe 100, plug 200, sealing head 300;

[0022] Example 1

[0023] Please see Figure 1 The main channel pipe 100 is a hollow pipe. One end of the main channel pipe 100 is inserted into the human body, and the other end is left outside the human body.

[0024] Multiple grooves 110 are evenly provided on the outer circumferential wall of the main channel pipe 100 along the axial direction of the main channel pipe 100. The grooves 110 do not communicate with the inner cavity of the main channel pipe 100. The grooves 110 are provided to facilitate the opening of holes on the outer circumferential wall of the main channel pipe 100.

[0025] A plug 200 is formed on the outer circumferential wall of the main channel tube 100 through a groove 110. The plug 200 is integrally formed with the main channel tube 100. The groove 110 reduces the wall thickness of the main channel tube 100. As needed, the groove 110 can be formed on the inner wall, outer wall, or both walls of the main channel tube 100. It can be set according to actual needs. In use, when an external force is applied to the outer side of the plug 200, the plug 200 will detach from the main channel tube 100 along the groove 110 until the plug 200 is completely detached from the main channel tube 100. A drainage side hole is formed on the outer circumferential wall of the main channel tube 100. Water will flow out from the drainage side hole, and stones will also be discharged from the drainage side hole, shortening the stone discharge path and improving the stone discharge efficiency. At the same time, the drainage of the side hole improves the drainage efficiency, thereby effectively reducing the water pressure in the kidney, preventing blood from flowing back into the kidney, and reducing the risk of infection.

[0026] Example 2

[0027] Please see Figure 2Drainage holes 120 are evenly provided on the outer circumferential wall of the main channel tube 100 along the axial direction of the main channel tube 100. Drainage holes 120 and plugs 200 exist only on one main channel tube 100. Drainage holes 120 and plugs 200 will not exist on the same main channel tube 100 at the same time. Drainage holes 120 are connected to the inner cavity of the main channel tube 100. By opening drainage holes 120 on the side wall of the main channel tube 100, water will be discharged from the drainage holes, and stones will also be discharged from the drainage holes, shortening the stone discharge path and improving the stone discharge efficiency. At the same time, the side hole drainage improves the drainage efficiency, thereby effectively reducing the water pressure in the kidneys, preventing blood from flowing back into the kidneys, and reducing the risk of infection.

[0028] Example 3

[0029] Please see Figure 2-3 A sealing head 300 is detachably installed on the outer circumferential wall of the main channel pipe 100. The sealing head 300 corresponds to the drain hole 120. The sealing head 300 is detachably installed on the inner side of the drain hole 120 to seal the drain hole 120.

[0030] The sealing head 300 is connected to the drain hole 120 by a connecting line 310. The connecting line 310 is a discontinuous line, which allows the sealing head 300 to be removed from the drain hole 120 for drainage.

[0031] Specifically, one end of the main channel tube 100 is inserted into the kidney, while the other end remains outside the body. Medical staff observe the position of the sealing head 300 outside the body and select the one closest to the body. Using tweezers or forceps, they tap along the connecting line 310 to break it, separating the sealing head 300 from the drainage hole 120. The sealing head 300 is then removed from the drainage hole 120, allowing the drainage hole 120 to drain fluid through the inside and outside of the main channel tube 100. The sealing head 300 seals the drainage hole 120, preventing fluid from flowing back into the body through the drainage hole 120, thus effectively avoiding the risk of infection.

[0032] Example 4

[0033] Please see Figure 2-4 In order to further prevent leakage and bacteria in the outside air from entering the human body through the drainage hole 120 and reduce the risk of infection, this device is also equipped with a sealing gasket 320.

[0034] The connecting line 310 between the sealing head 300 and the drain hole 120 is eliminated. The outer wall of the sealing head 300 directly contacts the inner side of the drain hole 120, and there is no interruption of the connecting line 310 between them. This avoids the connection between the inside of the main channel pipe 100 and the outside through the gap of the connecting line 310, thereby effectively preventing bacteria in the outside air from entering the inner cavity of the main channel pipe 100 and also preventing water from penetrating into the human body through the connecting line 310 and causing the risk of infection.

[0035] To further reduce the gap between the sealing head 300 and the drain hole 120, a sealing gasket 320 is embedded on the outer circumferential wall of the sealing head 300. The sealing gasket 320 contacts the inner wall of the drain hole 120, sealing the gap between the sealing head 300 and the drain hole 120. The sealing gasket 320 is interference-fitted with the drain hole 120, which can fix the sealing head 300 in the drain hole 120 and prevent it from falling off. At the same time, it can effectively isolate the main channel pipe 100 from the outside, thereby effectively preventing external bacteria from entering the human body and effectively preventing the water in the inner cavity of the main channel pipe 100 from flowing back into the human body, reducing the risk of infection for patients.

[0036] Example 5

[0037] To facilitate the removal and handling of the plug 200 or the sealing head 300, this device is also equipped with an L-shaped opening tool 400. The L-shaped opening tool 400 is an L-shaped structure consisting of a long handle and a striking head. When in use, medical staff hold the long handle and insert the striking head into the inner cavity of the main channel tube 100. When the desired position of the plug 200 or sealing head 300 is reached, the long handle is shaken, and the striking head is used to strike the plug 200 or sealing head 300, causing the plug 200 or sealing head 300 to separate from the main channel tube 100.

[0038] Although the present invention has been described above with reference to embodiments, various modifications can be made and components can be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the features in the embodiments disclosed in this invention can be combined with each other in any way. The lack of an exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A pre-bored percutaneous nephroscope sheath, characterized in that: include: A plug (200) is provided on the outer circumferential wall of the main channel pipe (100) along the axial direction of the main channel pipe (100). A groove (110) is provided between the plug (200) and the main channel pipe (100) for disassembling the plug (200) and forming a drain test hole on the main channel pipe (100).

2. The percutaneous nephrolithotomy sheath with a pre-set side hole according to claim 1, characterized in that: The outer circumferential wall of the main channel pipe (100) is also provided with a drain hole (120) for draining liquid along the axial direction of the main channel pipe (100).

3. A percutaneous nephrolithotomy sheath with a pre-set side hole according to claim 2, characterized in that: It also includes a sealing head (300), which is connected to the main channel pipe (100) through the drain hole (120), and a connecting line (310) for easy disassembly is provided between the sealing head (300) and the drain hole (120).

4. A percutaneous nephrolithotomy sheath with a pre-set side hole according to claim 3, characterized in that: A sealing gasket (320) is embedded on the outer circumferential wall of the sealing head (300). The sealing gasket (320) contacts the inner wall of the drain hole (120) to seal the drain hole (120) and fixes the sealing head (300) inside the drain hole (120) through the sealing gasket (320).

5. A percutaneous nephrolithotomy sheath with a pre-set side hole according to claim 1, characterized in that: It also includes an L-shaped punch (400) that extends into the embedded knock-off plug (200) or sealing head (300) of the main channel tube (100).

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