CN213554744U

CN213554744U - Percutaneous kidney channel guide wire

Info

Publication number: CN213554744U
Application number: CN202021626798.8U
Authority: CN
Inventors: 符浩
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-07
Filing date: 2020-08-07
Publication date: 2021-06-29
Anticipated expiration: 2030-08-07

Abstract

The utility model discloses a percutaneous renal channel guide wire, which comprises a guide wire body and a containing device, wherein one end of the guide wire body is a guide end, the guide end has elasticity, the guide end is in a spiral shape without external force, and the guide end has a first state and a second state; the receiving device has a channel that receives the guidewire body. The percutaneous renal channel guide wire is accommodated in the guide wire body through the accommodating device, and in a first state, under the limiting action of a channel, the guide end is in a straight line; when establishing percutaneous kidney passageway, inside the seal wire body penetrated patient's organ, stretched out storage device with the leading end, when the second state promptly, because the leading end has elasticity, consequently under the elastic force, the leading end expansion resumes to form the helical shape, taking out the pjncture needle or expanding percutaneous kidney passageway operation process step by step, the leading end of helical shape can block seal wire body roll-off and drop, and then improves the success rate that percutaneous kidney passageway established, this utility model is used for the medical appliances field.

Description

Percutaneous kidney channel guide wire

Technical Field

The utility model relates to the field of medical equipment, especially, relate to a percutaneous kidney passageway guide wire.

Background

At present, the urological percutaneous nephroscope operation is the most common operation for the upper urinary tract calculus, and the establishment of a percutaneous renal channel is the key operation. The establishment of the percutaneous renal passage needs to use a special guide wire, the existing guide wire uses a common linear guide wire, as shown in fig. 1, the whole guide wire 100 (including the guide end at the front end of the guide wire) is linear, the stability is poor, the guide wire is easy to slide out and fall off in the operation process of taking out the puncture needle and gradually expanding the passage, and the percutaneous renal passage establishment and the operation failure can be caused once the guide wire slides out and deviates to form a false passage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a percutaneous kidney passageway guide wire, avoid the roll-off to drop when establishing percutaneous kidney passageway.

According to an embodiment of the utility model, there is provided a percutaneous renal passage guide wire, include:

the guide wire comprises a guide wire body, wherein one end of the guide wire body is a guide end, the guide end has elasticity, and the guide end is in a spiral shape under the action of no external force; and

a receiving device having a channel that receives the guidewire body; wherein,

the leading end has a first state, the leading end is in the first state when in the containing device, and the leading end is in a straight line;

the leading end also has a second state, the leading end is the second state when stretching out the storage device, the leading end resumes to form the spiral shape under the elastic force effect.

The percutaneous renal channel guide wire has at least the following beneficial effects: the guide wire body is accommodated through the accommodating device, and when the guide end of the guide wire body is in the accommodating device, the guide end is in a straight line under the limiting action of the channel; when establishing percutaneous kidney passageway, inside the seal wire body penetrated patient's organ, stretched out storage device with the leading end, because the leading end has elasticity, consequently under the elastic force, the leading end expansion resumes to form the spiral shape, is taking out the pjncture needle or expanding percutaneous kidney passageway operation process step by step, and the leading end of spiral shape can block the seal wire body roll-off and drop, and then improves the success rate that percutaneous kidney passageway established.

According to the utility model discloses percutaneous kidney passageway guide wire, storage device includes pipeline and leading truck, have in the leading truck with the first passageway of pipeline intercommunication, the leading truck is the straight line.

According to the embodiment of the utility model, the percutaneous kidney channel guide wire, the concave notch is arranged on the side wall of the guide frame.

According to the utility model discloses percutaneous kidney passageway guide wire, storage device still includes stop gear, stop gear is used for fixing the pipeline is the form of spiraling.

According to the utility model discloses percutaneous kidney passageway guide wire, stop gear includes a plurality of buckles, the buckle is the circumference and distributes, be equipped with on the buckle with pipeline joint complex notch.

According to the utility model discloses percutaneous kidney passageway guide wire, one on the buckle the notch has a plurality ofly, a plurality of the notch sets up side by side.

According to the utility model discloses percutaneous kidney passageway guide wire, the tip of guide frame has the tapering.

Drawings

The present invention will be further explained with reference to the accompanying drawings:

FIG. 1 is a schematic structural view of a prior art guide wire;

fig. 2 is a schematic structural view of a guide wire body according to an embodiment of the present invention;

fig. 3 is a schematic structural view of the guide wire body penetrating into the body of a patient according to the embodiment of the present invention;

fig. 4 is a schematic structural view of the leading end of the guide wire body in the accommodating device according to the embodiment of the present invention;

fig. 5 is a schematic structural view of the guide wire body according to the embodiment of the present invention, in which the leading end extends out of the storage device;

reference numerals: the guide wire 100, the guide wire body 10, the leading end 11, the storage device 20, the pipeline 21, the guide frame 22, the notch 221 and the buckle 30.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 2 to 5, an embodiment of the present invention provides a percutaneous renal channel guide wire, including a guide wire body 10 and a receiving device 20, wherein one end of the guide wire body 10 is a leading end 11, the leading end 11 has elasticity, and the leading end 11 is in a spiral shape without external force; the receiving device 20 has a channel for receiving the guide wire body 10; wherein, the leading end 11 has a first state, the leading end 11 is in the first state when being in the containing device 20, and the leading end 11 is in a straight line; the leading end 11 also has a second state, in which the leading end 11 is extended out of the storage device 20, and the leading end 11 is restored to form a spiral shape by an elastic force.

The percutaneous renal channel guide wire of the embodiment is characterized in that the guide wire body 10 is accommodated by the accommodating device 20, and when the guide end 11 of the guide wire body 10 is in the accommodating device 20, namely in a first state, under the limiting action of a channel, the guide end 11 is in a straight line; when establishing percutaneous kidney passageway, inside wire body 10 penetrated patient's organ, stretch out storage device 20 with leading end 11, when the second state promptly, because leading end 11 has elasticity, consequently under the elastic force, leading end 11 expansion resumes to form the spiral shape, is taking out the pjncture needle or expands percutaneous kidney passageway operation process step by step, the leading end 11 of spiral shape can block wire body 10 roll-off and drop, and then improves the success rate that percutaneous kidney passageway established.

In the present embodiment, the storage device 20 includes a duct 21 and a guide frame 22, the guide frame 22 has a first passage therein communicating with the duct 21, the guide frame 22 is in a straight line, and in the first state, the leading end 11 is in the guide frame 22, the leading of the leading end 11 is guided by the guide frame 22, and the shape of the leading end 11 is restricted.

In some embodiments, the side wall of the guiding frame 22 is provided with a concave notch 221. At the notch 221, the operator can touch the guide wire body 10, and then stretch the guide wire body 10, so that the leading end 11 extends out of or retracts into the guide frame 22.

In some embodiments, the storage device 20 further comprises a limiting mechanism for fixing the pipe 21 in a spiral shape. The pipeline 21 is fixed through the limiting mechanism, and the scattering of the pipeline 21 is avoided.

Specifically, stop gear includes a plurality of buckles 30, and buckle 30 is the circumference and distributes, is equipped with on the buckle 30 with pipeline 21 joint complex notch, the notch semicircular in shape. The pipe 21 is sequentially caught by a plurality of catches 30 arranged in a circumferential direction, thereby making the pipe 21 spiral.

Further, the notch on a buckle 30 has a plurality ofly, and a plurality of notches set up side by side, is equipped with 2 notches on the buckle 30 in this embodiment, therefore pipeline 21 can circle two circles, can accomodate the longer seal wire body 10 of length.

In this embodiment, the end of the guide frame 22 is tapered, and the guide frame 22 is connected to a luer by the taper at the front end, and the guide wire body 10 can be guided into the puncture needle by the luer.

The percutaneous renal passage guide wire of the present embodiment is completely housed in the housing device 20 using the anterior guide wire body 10, and the guide end 11 is in a straight line, see fig. 4; when the guide wire is used, an operator manually pushes the guide wire body 10 at the notch 221 to enable the leading end 11 to extend out of the guide frame 22, and the leading end 11 is recovered to be in a spiral bending state after leaving the guide frame 22, as shown in fig. 5.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. A percutaneous renal channel guide guidewire, comprising:

a receiving device having a channel that receives the guidewire body; wherein,

2. The percutaneous renal channel guidance guidewire of claim 1, wherein: the containing device comprises a pipeline and a guide frame, a first channel communicated with the pipeline is arranged in the guide frame, and the guide frame is linear.

3. The percutaneous renal channel guidance guidewire of claim 2, wherein: the side wall of the guide frame is provided with a concave notch.

4. The percutaneous renal channel guidance guidewire of claim 2, wherein: the containing device further comprises a limiting mechanism, and the limiting mechanism is used for fixing the pipeline in a spiral shape.

5. The percutaneous renal channel guidance guidewire of claim 4, wherein: stop gear includes a plurality of buckles, the buckle is the circumference and distributes, be equipped with on the buckle with pipeline joint complex notch.

6. The percutaneous renal channel guidance guidewire of claim 5, wherein: the notch on one buckle has a plurality ofly, a plurality of the notch sets up side by side.

7. The percutaneous renal channel guidance guidewire of any one of claims 2 to 6, wherein: the end of the guide frame has a taper.