CN220213160U - Nickel-titanium bracket system - Google Patents

Abstract

The utility model provides a nickel-titanium support system, which relates to the technical field of medical auxiliary instruments and comprises a central net column, wherein connecting rings are arranged at two ends of the central net column, connecting membranes are covered on the inner walls of the connecting rings, one end of each connecting ring, which is far away from the central net column, is provided with a supporting net column.

Description

Nickel-titanium bracket system

Technical Field

The utility model relates to the technical field of medical auxiliary instruments, in particular to a nickel-titanium bracket system.

Background

The nickel-titanium alloy is a shape memory alloy, which can automatically restore plastic deformation of the nickel-titanium alloy to an original shape at a certain specific temperature, has higher human body adaptability and is widely applied in the medical field.

As shown in FIG. 1, the existing nickel-titanium stent is mainly used in stent implantation, and is placed on an affected part by using a reticular circular tube structure as a subject, so that medical staff can operate or treat the affected part conveniently, however, the overall flexibility of the reticular tubular structure of the existing nickel-titanium stent is higher, the tube orifices at the two ends of the existing nickel-titanium stent are easy to be extruded and deformed after being placed on the affected part, so that the subsequent operation is difficult, and the affected part is usually curved, and the nickel-titanium stent is bent between the tube orifice and the tube body after being placed in, so that the nickel-titanium stent at the bent part is bent, and the supporting effect on the affected part is affected.

Disclosure of Invention

The utility model aims to solve the following problems in the prior art:

the existing nickel titanium support is mainly used in a support implantation operation, is mainly used for being placed on an affected part by using a reticular circular tube structure as a theme, and is supported on the affected part so that medical staff can operate or treat the affected part, however, the overall flexibility of the reticular tubular structure of the existing nickel titanium support is higher, the tube orifices at the two ends of the nickel titanium support are easy to be extruded and deformed after being placed on the affected part, so that subsequent operation is difficult, and the affected part is usually curved, the nickel titanium support is usually bent between the tube orifice and the tube body after being placed in, and the nickel titanium support at the bent part is bent, so that the supporting effect on the affected part is affected.

In order to solve the problems existing in the prior art, the utility model provides a nickel-titanium bracket system: the net comprises a central net column, connecting rings are arranged at two ends of the central net column, connecting membranes are covered on the inner walls of the connecting rings, and a supporting net column is arranged at one end, far away from the central net column, of the connecting rings.

The utility model provides a nickel-titanium bracket system.

Further, the central net column and the supporting net column are respectively formed by winding four spiral nickel-titanium alloy wires, the four nickel-titanium alloy wires are divided into two groups of opposite directions, are respectively wound clockwise and anticlockwise, and are mutually crossed and connected to form a plurality of diamond grids.

Further, the diameters of the central net post and the supporting net post are the same but the number of screw turns is different, wherein the number of screw turns and the length of the central net post are larger than those of the supporting net post, and the inner angle of the diamond grid of the central net post is larger than that of the supporting net post.

Furthermore, the connecting ring is made of nickel-titanium alloy wires, and the diameter of the nickel-titanium alloy wires of the connecting ring is the same as that of the nickel-titanium alloy wires of the central net column.

Further, the connecting rings are arranged in groups of four, wherein two diameters are larger than the remaining two diameters, and the four connecting rings are staggered with each other with the diameters as the difference.

Furthermore, a connecting film is respectively arranged between every two connecting rings, and the connecting film is in a loose state under a normal state.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model has simple structure and convenient manufacture, the supporting net column has stronger supporting property relative to the central net column by utilizing the number of screw thread turns of the supporting net column and smaller diamond grids, the pipe orifice can ensure stronger supporting force not to deform during use, subsequent operators are not influenced to operate, the nickel-titanium support at the bending position is prevented from being bent by connecting a ring machine between the supporting net column and the central net column, different use requirements at different tissue parts can be met, and the utility model has good application value.

Drawings

FIG. 1 is a schematic view of a prior art nickel titanium stent;

FIG. 2 is a schematic diagram of the overall structure of the present utility model;

FIG. 3 is a schematic view of a support net post of the present utility model;

FIG. 4 is a schematic cross-sectional view of a connecting ring structure according to the present utility model;

FIG. 5 is a schematic cross-sectional view of the connection state of the connection ring of the present utility model;

reference numerals: 1. a central net post; 2. a connecting ring; 3. a connection film; 4. and supporting the net columns.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model.

Specific embodiments of the present utility model are described below with reference to the accompanying drawings.

Example 1

As shown in fig. 1-5, comprises a central net post 1, characterized in that: the two ends of the central net column 1 are provided with connecting rings 2, the connecting rings 2 are made of nickel-titanium alloy wires, the diameters of the nickel-titanium alloy wires of the connecting rings 2 are the same as those of the nickel-titanium alloy wires of the central net column 1, each four connecting rings 2 are in a group, two diameters are larger than the remaining two, the four connecting rings 2 are arranged in a staggered mode by taking the diameters as the differences, the inner walls of the connecting rings 2 are covered with connecting films 3, the connecting films 3 are respectively arranged between every two connecting rings 2, the connecting films 3 are in a loose state in a normal state, one end of the connecting rings 2, which is far away from the central net column 1, is provided with a supporting net column 4, the central net column 1 and the supporting net column 4 are wound by four nickel-titanium alloy wires which are in spiral shapes, the four nickel-titanium alloy wires are arranged in two groups in opposite directions, are wound clockwise and anticlockwise directions respectively, and are mutually connected in a crossed mode to form a plurality of diamond grids, the diameters of the central net column 1 and the supporting net column 4 are the same, but the number of screw turns are different, the number of turns of the central net column 1 and the length of the inner angles of the screw turns of the connecting rings are larger than those of the supporting net column 4, and the inner angles of the supporting net column 1 are larger than those of the diamond grids 4.

Working away from description: when the device is used, firstly, one end of a supporting net column 4 is firstly inserted into an affected part, the supporting net column 4, a connecting ring 2, a central net column 1, the connecting ring 2 and the supporting net column 4 which are arranged at the other end of the central net column 1 are sequentially arranged, after the supporting net column enters the affected part, the central net column 1 is unfolded to support the affected part, and the supporting net column 4 supports the two ends of the central net column 1 by using supporting force larger than that of the central net column 1;

when the affected part is bent, the connecting ring 2 of the central net column 1 and the supporting net column 4 stretches the connecting film 3, the connecting film 3 stretches and deforms, and an angle can be formed between the central net column 1 and the supporting net column 4 while the connecting ring 2 is prevented from deforming.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. A nitinol stent system comprising a central mesh post (1), characterized in that: the utility model discloses a central net post, including central net post (1), go-between (2) are provided with at central net post (1) both ends, go-between (2) inner wall cover have link membrane (3), and support net post (4) are installed to one end that central net post (1) was kept away from to go-between (2).

2. A nitinol stent system according to claim 1, characterized in that: the central net column (1) and the supporting net column (4) are respectively formed by winding four spiral nickel-titanium alloy wires, the four nickel-titanium alloy wires are divided into two groups to be oppositely arranged, are respectively wound clockwise and anticlockwise, and are mutually crossed and connected to form a plurality of diamond grids.

3. A nitinol stent system according to claim 2, characterized in that: the diameters of the central net column (1) and the supporting net column (4) are the same but the screw turns are different, wherein the screw turns and the length of the central net column (1) are larger than those of the supporting net column (4), and the inner angle of the diamond-shaped grid of the central net column (1) is larger than that of the supporting net column (4).

4. A nitinol stent system according to claim 2, characterized in that: the connecting ring (2) is made of nickel-titanium alloy wires, and the diameter of the nickel-titanium alloy wires of the connecting ring (2) is the same as that of the nickel-titanium alloy wires of the central net column (1).

5. A nitinol stent system according to claim 4, characterized in that: the connecting rings (2) are arranged in groups of four, wherein two diameters are larger than the remaining two diameters, and the four connecting rings (2) are staggered with each other by taking the diameters as the differences.

6. A nitinol stent system according to claim 5, characterized in that: and a connecting film (3) is respectively arranged between every two connecting rings (2), and the connecting film (3) is in a loose state under a normal state.