CN213552308U

CN213552308U - Stone-taking net basket convenient for laser stone breaking

Info

Publication number: CN213552308U
Application number: CN202022017996.0U
Authority: CN
Inventors: 贺杰峰
Original assignee: Shanxi Bethune Hospital of Shanxi Academy Of Medical Sciences
Current assignee: Shanxi Bethune Hospital of Shanxi Academy Of Medical Sciences
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-06-29
Anticipated expiration: 2030-09-16

Abstract

The utility model discloses a get stone basket convenient to laser rubble, the electric iron comprises a handle, the sheath pipe, the basket body, ring sum seal wire, the sheath pipe includes first annular post and second annular post, second annular post is fixed in first annular post, and stretch into basket body center behind the upper end of second annular post exceeds first annular post, second annular post has a circular cavity, form an annular cavity between first annular post and the second annular post, the indoor ring that is equipped with of ring chamber, the basket body is set up along circumference by three at least basket strips, the one end of all basket strips is fixed in the end cap after basket body top crosses, the other end equipartition just fixes on the up end of ring, the symmetry is fixed with two seal wires on the lower terminal surface of ring at least, the other end of seal wire is worn out and is connected with the handle behind the bottom of sheath pipe. The utility model discloses can make laser fiber's position just to getting the positive center of stone basket, can guarantee that laser fiber reachs the central point that the basket body as far as puts accurate crushing stone.

Description

Stone-taking net basket convenient for laser stone breaking

Technical Field

The utility model belongs to the technical field of medical instrument, especially, relate to a get stone basket convenient to laser rubble.

Background

At present, in the technical field of medical treatment, the treatment of gallstones is mainly a minimally invasive surgery treatment means, and the minimally invasive surgery treatment is for patients with serious lithiasis, and the treatment method is to use a corresponding tool to take out gallstones under a laparoscope, so that the purpose of treatment is achieved. In the biliary tract calculus removing operation, the calculus removing basket is a necessary instrument, but for relatively large gallstones, the calculus removing basket cannot be taken out by using the calculus removing basket alone, and the gallstones cannot be separated from the basket. At this time, the large gallstone is broken by laser and then taken out from the stone-taking basket. The current calculus removing basket is not provided with a special laser positioning device, the position of the laser optical fiber is difficult to control, and a lot of time is needed for adjusting the position of the laser optical fiber in the operation. In addition, because the laser is difficult to accurately align the large stones in the stone-taking net basket, the stone-breaking effect is not good, and the phenomenon that the laser strikes the wall of the biliary tract to cause biliary tract injury or hemorrhage also exists.

Disclosure of Invention

In view of this, the utility model aims at providing a calculus extraction basket convenient to laser rubble aims at overcoming the current calculus extraction basket and does not set up the defect that special laser positioning device leads to laser fiber's position to be difficult to control.

In order to achieve the purpose of the utility model, the technical proposal is as follows:

a stone-taking basket convenient for laser stone breaking comprises a handle, a sheath tube, a basket body, a ring and a guide wire, wherein the sheath tube comprises a first annular column and a second annular column, the second annular column is fixed in the first annular column, the upper end of the second annular column is higher than the first annular column and then extends into the center of the basket body, the rotation axis of the second annular column is superposed with the rotation axis of the first annular column, the second annular column is provided with a circular cavity, an annular cavity is formed between the first annular column and the second annular column, the ring is arranged in the annular cavity and can slide up and down in the annular cavity, the basket body is formed by at least three basket strips along the circumferential direction, one ends of all the basket strips are fixed in an end cap after being crossed at the top of the basket body, the other ends of the basket strips are uniformly distributed and fixed on the upper end face of the ring, and at least two guide wires are symmetrically fixed on the lower end face of the ring, the other end of the guide wire penetrates out of the bottom of the sheath tube and then is connected with the handle, a first circular through hole along the length direction of the handle is formed in the center of the handle, and the circular through hole and the circular cavity are laser optical fiber channels.

The preferred, be provided with the sawtooth on the medial surface of basket strip, the sawtooth sets up along the length direction of basket strip, when carrying out the rubble operation, can carry out mechanical rubble through the sawtooth that sets up on the basket strip earlier, if mechanical rubble is unsuccessful, can jet out laser through the laser fiber in the circular cavity to carry out the laser rubble, thereby reach the effect of rubble.

Preferably, the outer side face of the basket strip is provided with the brush hair, the handle can be rotated simultaneously, the guide wire rotates relative to the sheath tube, and then the basket body rotates to drive the brush hair to brush smaller stones on the inner wall of the biliary tract and take away the stones.

Preferably, the bottom of the sheath tube is provided with a second round through hole for the guide wire to pass through.

Preferably, the surface of the handle is provided with a groove matched with fingers.

Preferably, the groove is provided with anti-skid lines.

The utility model has the advantages that:

(1) the circular cavity in the second annular column is used for inserting the laser fiber, and the upper end of the second annular column is higher than the first annular column and then extends into the center of the basket body, so that the position of the laser fiber is right aligned to the center of the stone-taking basket, and the laser fiber can be guaranteed to reach the center of the basket body as far as possible to accurately crush stones.

(2) When carrying out the rubble operation, can carry out mechanical rubble through the sawtooth that sets up on the basket strip earlier, if mechanical rubble is unsuccessful, can be through the laser fiber ejection laser in the circular cavity to carry out the laser rubble, thereby reach the effect of rubble.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the structure of portion A of FIG. 1;

FIG. 3 is an enlarged view of the structure of portion B of FIG. 1;

FIG. 4 is a schematic view showing the structure of a basket bar according to example 2;

FIG. 5 is a schematic view showing the structure of a basket bar according to example 3;

fig. 6 is a schematic view of the bottom structure of the sheath tube of the present invention.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Example 1

As shown in fig. 1-6, a stone-taking basket for laser lithotripsy includes a handle 1, a sheath tube 2, a basket body 3, a circular ring 4 and a guide wire 5, wherein the sheath tube 2 includes a first annular column 21 and a second annular column 22, the second annular column 22 is fixed in the first annular column 21, and the upper end of the second annular column 22 is higher than the first annular column 21 and then extends into the center of the basket body 3, the rotation axis of the second annular column 22 coincides with the rotation axis of the first annular column 21, the second annular column 22 has a circular chamber 23, an annular chamber 24 is formed between the first annular column 21 and the second annular column 22, the circular chamber 24 is provided with the circular ring 4, the circular ring 4 can slide up and down in the annular chamber, the basket body 3 is provided with at least three basket strips 31 along the circumferential direction, one ends of all the basket strips 31 are fixed in the end cap 6 after meeting at the top of the basket body 3, the other end equipartition just fixes on the up end of ring 4, at least the symmetry is fixed with two seal wires 5 on the lower terminal surface of ring 4, the other end of seal wire 5 is worn out behind the bottom of sheath pipe 2 and is connected with handle 1, handle 1's center department sets up along 1 length direction's of handle first circular through-hole 11, circular through-hole with circular cavity 23 is the laser fiber channel.

Example 2

Based on the structure of the embodiment 1, in the embodiment 2, as shown in fig. 4, the inner side surface of the basket strip 31 is provided with the saw teeth 32 (where the inner side surface refers to a surface of the basket strip 31 facing the second annular pillar 22), the saw teeth 32 are arranged along the length direction of the basket strip 31, when the stone crushing operation is performed, mechanical stone crushing can be performed through the saw teeth 32 arranged on the basket strip 31, and if the mechanical stone crushing is unsuccessful, laser can be emitted through the laser fiber in the circular cavity 23 to perform laser stone crushing, so that the stone crushing effect is achieved.

Example 3

Based on the structure of the embodiment 1, in the embodiment 3, as shown in fig. 5, the brush bristles 33 are arranged on the outer side surface of the basket strip 31 (where the outer side surface refers to a surface of the basket strip 31 facing away from the second annular pillar 22), and the handle 1 can be rotated at the same time to rotate the guide wire 5 relative to the sheath tube 2, so that the basket body 3 rotates to drive the brush bristles 33 to brush and take away smaller stones on the inner wall of the biliary tract.

Example 4

Based on the structure of embodiment 1, in embodiment 4, as shown in fig. 6, the bottom of the sheath tube 2 is provided with a second circular through hole 25 through which the guide wire 5 passes.

Example 5

Based on the structure of the embodiment 1, in the embodiment 5, the surface of the handle 1 is provided with grooves 12 which are matched with fingers.

Example 6

Based on the structure of the embodiment 5, in the embodiment 6, the groove 12 is provided with the antiskid line 13.

The working principle is as follows: use the utility model discloses the time, earlier slide from top to bottom at the ring cavity through 1 control seal wire 5 drive ring 4 of handle, and then realize controlling basket body 3 gets the stone, when meetting great gallstone and need carry out the rubble operation, can carry out mechanical rubble through the sawtooth 32 that sets up on basket strip 31 earlier, if mechanical rubble is unsuccessful, can be through the laser fiber ejection laser in the circular cavity 23 to carry out the laser rubble, thereby reach the effect of rubble. Because the upper end of the second annular column 22 is higher than the first annular column 21 and then extends into the center of the basket body 3, the position of the laser fiber in the circular cavity 23 can be just opposite to the center of the stone-taking basket, and the laser fiber can be ensured to reach the center of the basket body 3 as far as possible to accurately crush stones.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement, component separation or combination made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a get stone basket convenient to laser rubble, includes handle, sheath pipe, basket body, ring and seal wire, its characterized in that: the sheath tube comprises a first annular column and a second annular column, the second annular column is fixed in the first annular column, the upper end of the second annular column is higher than the first annular column and then extends into the center of the basket body, the rotation axis of the second annular column coincides with the rotation axis of the first annular column, the second annular column is provided with a circular cavity, an annular cavity is formed between the first annular column and the second annular column, a circular ring is arranged in the annular cavity and can slide up and down in the annular cavity, the basket body is formed by at least three basket strips along the circumferential direction, one ends of all the basket strips are fixed in the end cap after the top of the basket body is crossed, the other ends are uniformly distributed and fixed on the upper end face of the circular ring, at least two guide wires are symmetrically fixed on the lower end face of the circular ring, and the other ends of the guide wires penetrate through the bottom of the sheath tube and then are connected with the handle, the center of the handle is provided with a first circular through hole along the length direction of the handle, and the circular through hole and the circular cavity are laser fiber channels.

2. The stone extraction basket of claim 1, wherein: be provided with the sawtooth on the medial surface of basket strip, the sawtooth sets up along the length direction of basket strip, when carrying out the rubble operation, can carry out mechanical rubble through the sawtooth that sets up on the basket strip earlier, if mechanical rubble is unsuccessful, can jet out laser through the laser fiber in the circular cavity to carry out the laser rubble, thereby reach the effect of rubble.

3. The stone extraction basket of claim 1, wherein: the outer side face of the basket strip is provided with the brush hair, the handle can be rotated simultaneously, the guide wire rotates relative to the sheath tube, and then the basket body rotates to drive the brush hair to brush smaller stones on the inner wall of the biliary tract and take away the stones.

4. The stone extraction basket of claim 1, wherein: and a second round through hole for the guide wire to pass through is formed in the bottom of the sheath tube.

5. The stone extraction basket of claim 1, wherein: the surface of the handle is provided with a groove matched with fingers.

6. The stone extraction basket of claim 5, wherein: and the groove is provided with anti-skid lines.