CN218979133U - Minimally invasive dilation drainage suite - Google Patents

Abstract

The utility model relates to the technical field of medical instruments, in particular to a minimally invasive dilation drainage kit. The utility model provides a wicresoft expands drainage external member includes needle file and seal wire pushing mechanism, seal wire pushing mechanism's front end is equipped with the connecting pipe, is equipped with the locating tube at the front end of connecting pipe, be equipped with the passageway of placing the seal wire that extends to in the seal wire pushing mechanism in connecting pipe, be connected with the needle file through the adapter sleeve on the connecting pipe, be equipped with the needle tubing on the needle file, seal wire pushing mechanism includes the shell, be equipped with micro motor in the shell, micro motor's front end connecting screw, still be equipped with the gear in the shell, seal wire winding pole is connected to the lower extreme of gear, seal wire winding pole are fixed in the shell through the pivot, gear engagement screw, around the seal wire on the seal wire winding pole, the front end of seal wire wears to in the passageway. The guide wire pushing mechanism in the minimally invasive dilation drainage suite utilizes the linkage mechanism of the motor and the gear, the motor is used as power output, the guide wire is driven to move forwards, manual operation is not needed, the connecting pipe is arranged at the front end of the guide wire pushing mechanism, and a channel in the connecting pipe plays a role in positioning, so that the accuracy is higher.

Description

Minimally invasive dilation drainage suite

Technical Field

The utility model relates to a medical instrument, in particular to a minimally invasive dilation drainage kit.

Background

Percutaneous nephrostomy is a minimally invasive procedure for temporarily or permanently relieving urinary tract obstruction, and can also be used as a necessary step for establishing a surgical channel for percutaneous nephroscope or renal pelvis lithotomy, foreign body removal, balloon dilatation and the like. The minimally invasive dilation drainage kit is a percutaneous nephrostomy surgical instrument commonly used in clinic at present, and mainly comprises a dilation tube and a sleeve tube, wherein under the guidance of B ultrasonic or X rays, a puncture needle is used for percutaneous puncture to a renal pelvis, a needle core is taken out to see urine flowing out, a guide wire is sent into the renal pelvis and the ureter through the puncture needle, the puncture needle is withdrawn, the puncture part is dilated step by step along the guide wire by using the dilation tubes with different outer diameters, the sleeve tube is sleeved on the dilation tube with the largest outer diameter, and after the dilation tube with the sleeve tube is completely dilated, the dilation tube, the guide wire and the indwelling sleeve tube are withdrawn.

The guide wire is used as an auxiliary catheter to be placed into a lesion part of a patient, and the guide wire is smoothly delivered to a required part by means of the guide wire pusher in the process of placing the guide wire. However, most of the existing guide wire pusher has the disadvantages that the guide wire is easy to be polluted by pushing by using fingers to contact with the guide wire, the finger pushing accuracy is not high, the risk is increased in the treatment process of patients, and the treatment effect is reduced.

Disclosure of Invention

The utility model aims to solve the defects and provides a minimally invasive dilation drainage kit.

In order to overcome the defects in the background art, the technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a wicresoft expands drainage external member includes needle file and seal wire pushing mechanism, seal wire pushing mechanism's front end is equipped with the connecting pipe, is equipped with the locating tube at the front end of connecting pipe, be equipped with the passageway of placing the seal wire that extends to in the seal wire pushing mechanism in connecting pipe, be connected with the needle file through the adapter sleeve on the connecting pipe, be equipped with the needle tubing on the needle file, seal wire pushing mechanism includes the shell, be equipped with micro motor in the shell, micro motor's front end connecting screw, still be equipped with the gear in the shell, seal wire winding pole is connected to the lower extreme of gear, seal wire winding pole are fixed in the shell through the pivot, gear engagement screw, around the seal wire on the seal wire winding pole, the front end of seal wire wears to in the passageway.

According to another embodiment of the utility model, the connecting sleeve is a flexible plastic tube.

According to another embodiment of the utility model, the needle holder is further provided with a convex rib for blocking the connecting sleeve from moving forward.

According to another embodiment of the utility model, the positioning tube is connected with the connecting sleeve, and the end of the positioning tube is contacted with the needle tube.

According to another embodiment of the utility model, the miniature motor is further connected with a dry battery or a button battery.

The beneficial effects of the utility model are as follows: the guide wire pushing mechanism in the minimally invasive dilation drainage suite utilizes the linkage mechanism of the motor and the gear, the motor is used as power output, the guide wire is driven to move forwards, manual operation is not needed, the connecting pipe is arranged at the front end of the guide wire pushing mechanism, and a channel in the connecting pipe plays a role in positioning, so that the accuracy is higher.

Drawings

The utility model will be further described with reference to the drawings and examples.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of the inside of the guide wire pushing mechanism;

FIG. 3 is a schematic view of the structure of a gear portion;

wherein: 1. needle tubing, 2, needle file, 3, protruding muscle, 4, locating tube, 5, adapter sleeve, 6, connecting pipe, 7, passageway, 8, seal wire pushing mechanism, 9, seal wire, 10, screw rod, 11, gear, 12, micro motor, 13, shell, 14, pivot, 15, seal wire winding pole.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. Embodiments of the utility model are described herein in terms of various specific embodiments, including those that are apparent to those of ordinary skill in the art and all that come within the scope of the utility model.

As shown in fig. 1-3, the device comprises a needle seat 2 and a guide wire pushing mechanism 8, wherein a connecting pipe 6 is arranged at the front end of the guide wire pushing mechanism 8, a positioning pipe 4 is arranged at the front end of the connecting pipe 6, a channel 7 which extends to the guide wire pushing mechanism 8 and is used for placing the guide wire 9 is arranged in the connecting pipe 6 and the positioning pipe 4, the connecting pipe 6 is connected with the needle seat 2 through a connecting sleeve 5, a needle tube 1 is arranged on the needle seat 2, the guide wire pushing mechanism 8 comprises a shell 13, a micro motor 12 is arranged in the shell 13, a screw 10 is connected at the front end of the micro motor 12, a gear 11 is further arranged in the shell 13, the lower end of the gear 11 is connected with a guide wire winding rod 15, the gear 11 and the guide wire winding rod 15 are fixed in the shell 13 through a rotating shaft 14, the gear 11 is meshed with the screw 10, the guide wire 9 is wound on the guide wire winding rod 15, and the front end of the guide wire 9 is penetrated into the channel 7.

In order to facilitate the connection of the guide wire pushing mechanism 8 on the needle seat 2, the connection is performed through the connecting sleeve 5, the connecting sleeve 5 is a soft plastic tube, and the soft sleeve is convenient to connect.

In order to prevent the sleeve 5 from being sleeved over, the needle seat 2 is provided with a convex rib 3 for preventing the sleeve 5 from moving forward.

The end of the positioning tube 4 is contacted with the needle tube 1 under the connection of the connecting sleeve 5. After the positioning tube 4 is contacted with the needle tube 1, the guide wire can smoothly enter the needle tube, and the accuracy is higher.

The micro-motor 12 is connected to a dry cell or a button cell. The micro motor 12 is driven by power to drive the gear to rotate, so that the pushing guide wire moves forwards.

Examples: when in operation, the needle stand 2 is connected to the connecting pipe 6 at the front end of the guide wire pushing mechanism 8 through the connecting sleeve 5, the end part of the positioning pipe 4 is contacted with the needle tube 1 under the connection of the connecting sleeve 5, then the micro motor 12 is started, the screw at the front end of the micro motor 12 rotates to drive the gear 11 to rotate, the guide wire winding rod 15 at the lower end of the gear also rotates, the guide wire 9 enters the needle tube 1, after the puncture of the guide wire 9 is completed, the guide wire pushing mechanism 8 is firstly disassembled, the needle stand 2 is taken out, the needle tube 1 at the front end of the needle stand 2 is also pulled out, and finally the expanding pipe enters along the guide wire to complete the operation.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (5)

1. The utility model provides a minimally invasive expansion drainage external member, includes needle file (2) and seal wire pushing mechanism (8), its characterized in that: the front end of seal wire pushing mechanism (8) is equipped with connecting pipe (6), is equipped with positioning tube (4) at the front end of connecting pipe (6), be equipped with in connecting pipe (6), positioning tube (4) and extend to place passageway (7) of seal wire (9) in seal wire pushing mechanism (8), be connected with needle file (2) through adapter sleeve (5) on connecting pipe (6), be equipped with needle tubing (1) on needle file (2), seal wire pushing mechanism (8) include shell (13), be equipped with micro motor (12) in shell (13), the front end connecting screw (10) of micro motor (12), still be equipped with gear (11) in shell (13), seal wire winding pole (15) are connected to the lower extreme of gear (11), and gear (11), seal wire winding pole (15) are fixed in shell (13) through pivot (14), gear (11) mesh screw rod (10), around seal wire (9) on seal wire winding pole (15), the front end of seal wire (9) wears to in passageway (7).

2. The minimally invasive dilation drainage kit of claim 1 wherein: the connecting sleeve (5) is a soft plastic pipe.

3. The minimally invasive dilation drainage kit of claim 1 wherein: the needle seat (2) is provided with a convex rib (3) for preventing the connecting sleeve (5) from moving forwards.

4. The minimally invasive dilation drainage kit of claim 1 wherein: the end part of the positioning tube (4) is contacted with the needle tube (1) under the connection of the connecting sleeve (5).

5. The minimally invasive dilation drainage kit of claim 1 wherein: the miniature motor (12) is connected with a dry battery or a button battery.

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