CN213607217U - Elastic ureter bracket - Google Patents

Abstract

The utility model relates to an elasticity ureteral stent, including the elastic ring section that straight section and the at least one end in straight section both ends have, the elastic ring section is convoluteed into at least round, the straight section pipe wall in be equipped with the elastic component wire winding, straight section and elastic ring section all are equipped with the drainage hole. The utility model discloses fixed intensity is big, non-deformable.

Description

Elastic ureter bracket

Technical Field

The utility model belongs to the technical field of medical instrument, concretely relates to elasticity ureter support.

Background

The ureteral stent is widely applied to urinary surgery, and is suitable for urinary tract operations such as kidney stone, ureteral stone, kidney transplantation and the like, and treatment processes such as lithotripter lithotripsy and the like.

The traditional ureteral stent is made of polyurethane high polymer materials, has the defects of poor biocompatibility, low compressive strength, short placing time and the like, and can deform after being pressed by external force. It is not suitable for long-term retention in human body, and is liable to cause bacterial infection. The ureter is pressed to deform, drainage can not be carried out, a new stent tube needs to be replaced, and pain and discomfort are caused to a patient.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides an elastic ureter bracket which has simple structure and is not easy to deform,

in order to achieve the above purpose, the utility model adopts the following technical scheme:

the elastic ureteral stent comprises a straight section and an elastic ring section arranged at least one end of each of two ends of the straight section, wherein the elastic ring section is wound to form at least one circle, an elastic piece winding wire is arranged in the tube wall of the straight section, and drainage holes are formed in the straight section and the elastic ring section.

Preferably, the elastic ring section is also provided with an elastic element, and the elastic element winds the wire for at least one circle in the elastic ring section

Preferably, the straight section is made of a biocompatible material.

Preferably, the elastic ring section is made of a biocompatible material.

Preferably, the biocompatible material is silica gel.

Preferably, the elastic member is a spring wire.

Preferably, the elastic element is wound around the inner wall of the elastic ring section.

The elastic piece is added in the straight section of the utility model, which can greatly enhance the compressive strength of the bracket and ensure the compliance of the bracket; the straight section and the elastic ring section of the bracket are perforated for drainage; the whole bracket is made of silica gel material with good biocompatibility, so that the bracket is retained in a human body for a long time, and bacterial infection is not easily caused, so that discomfort of a patient is reduced, and pain of the patient is avoided; the straight section both ends have at least one end to be equipped with the elastic ring section, and the elastic ring section is convoluteed into at least round, can increase the support intensity of support, the effectual support slippage that prevents, and the elastic ring section is equipped with the elastic component, and the elastic component is at least the round on the elastic ring section inner wall of winding for the fixed strength greatly increased of elastic ring section, further the effectual support slippage that prevents, the elastic component is more in the pipe wall number of winding turns, and the elastic component is more densely covered in the pipe wall winding, and fixed strength just is more.

Drawings

FIG. 1 is a schematic structural view of the elastic member with two end elastic ring sections of the present invention winding a plurality of wire turns in the pipe wall;

FIG. 2 is a schematic structural view of the elastic member of the two end elastic ring sections of the present invention winding a wire round in the pipe wall;

FIG. 3 is a schematic structural view of the two-end elastic ring section non-elastic member winding of the present invention;

FIG. 4 is a schematic structural view of the elastic member of one end of the present invention winding a plurality of wire turns in the wall of the tube;

FIG. 5 is a schematic structural view of the elastic member of one end elastic ring section winding a wire round in the pipe wall;

fig. 6 is a schematic structural view of the inelastic member wire winding of the one end elastic ring section of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," "retained," and the like are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two elements can be directly connected or indirectly connected through an intermediate medium, and the two elements can be communicated with each other at the inner sections. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 3 and 6, the elastic ureteral stent comprises a straight section 2 and an elastic ring section 1 arranged at least one end of the two ends of the straight section 2, wherein the elastic ring section 1 is wound to at least one circle, an elastic part 4 is arranged in the tube wall of the straight section 2 for wire winding, drainage holes 3 are formed in the straight section 2 and the elastic ring section 1, the elastic part 4 is added into the straight section 2, and the elastic part 4 is supported in the tube wall of the straight section 2 by a tension spring, so that the compressive strength of the stent can be greatly enhanced, and the compliance of the stent is ensured; the straight section 2 and the elastic ring section 1 of the bracket are perforated for drainage; the two ends of the straight section 2 are provided with the elastic ring sections 1 at least, the elastic ring sections 1 are wound into at least one circle, the support strength of the support can be increased, the support can be effectively prevented from slipping, and the support strength is better when the elastic ring sections 1 are wound into a plurality of circles.

Further, as shown in fig. 1 and 2, and fig. 4 and 5, the elastic ring section 1 is also provided with the elastic element 4, and the elastic element 4 winds the elastic ring section 1 for one or more circles, so that the fixing strength of the elastic ring section 1 is greatly increased, the support is further effectively prevented from slipping, and the elastic element 4 winds the elastic ring for multiple circles, namely, the winding is relatively one circle, the winding is more densely distributed in the elastic ring, the fixing strength is higher, the support can be better prevented from falling off, and the stability is higher.

Further, the straight section 2 is made of a biocompatible material, the elastic ring section 1 is made of a biocompatible material, and the whole support is made of a silica gel material with good biocompatibility, so that the support stays in a human body for a long time, and is not easy to cause bacterial infection, discomfort of a patient is reduced, and pain of the patient is avoided.

Furthermore, the biocompatible material is silica gel, has good biocompatibility, and is not easy to damage the interior of a patient due to the fact that the material is soft, so that the comfort level of the patient is affected.

Further, the elastic member 4 is a spring wire, which is more convenient to operate.

Further, as shown in fig. 2 and fig. 5, the elastic element 4 winds the inner wall of the elastic ring section 1 for one circle, the elastic element 4 winds the inner wall of the tube wall for one circle, the comfort of the patient is higher, and in the aspect of supporting the fixing strength, the elastic element 4 arranged in the tube wall in a winding mode can provide better fixing strength for the elastic element 4, and the number of windings of the elastic element 4 in the tube wall is larger.

The elastic part 4 is added in the straight section 2 of the utility model, which can greatly enhance the compressive strength of the bracket and ensure the compliance of the bracket; the straight section 2 and the elastic ring section 1 of the bracket are perforated for drainage; the whole bracket is made of silica gel material with good biocompatibility, so that the bracket is retained in a human body for a long time, and bacterial infection is not easily caused, so that discomfort of a patient is reduced, and pain of the patient is avoided; 2 both ends of straight section have at least one end to be equipped with elasticity circle section 1, elasticity circle section 1 coils into at least round, can increase the support intensity of support, the effectual support slippage that prevents, elasticity circle section 1 is equipped with elastic component 4, elastic component 4 is at least round on the 1 inner wall of elasticity circle section, make the fixed strength greatly increased of elasticity circle section 1, further the effectual support slippage that prevents, elastic component 4 is more in the pipe wall around the silk number of turns, elastic component 4 is more densely covered in the pipe wall around the silk, fixed strength is just more.

It should be noted that the above embodiments are merely representative examples of the present invention. The utility model can also have a plurality of deformations. Any simple modification, equivalent changes and modifications made to the above embodiments according to the essence of the present invention should be considered as belonging to the protection scope of the present invention.

Claims (7)

1. The elastic ureteral stent is characterized by comprising a straight section (2) and an elastic ring section (1) arranged at least one end of the two ends of the straight section (2), wherein the elastic ring section (1) is wound and encircles at least one circle, an elastic piece (4) is arranged in the tube wall of the straight section (2) for wire winding, and drainage holes (3) are formed in the straight section (2) and the elastic ring section (1).

2. The flexible ureteral stent according to claim 1, wherein said flexible ring section (1) is also provided with a flexible member (4), said flexible member (4) being wound at least once around said flexible ring section (1).

3. The flexible ureteral stent according to claim 1, wherein said straight section (2) is made of a biocompatible material.

4. The flexible ureteral stent according to claim 1, wherein said flexible loop section (1) is made of a biocompatible material.

5. The flexible ureteral stent of claim 3 or 4, wherein said biocompatible material is silicone.

6. The flexible ureteral stent according to claim 1 or 2, wherein said flexible member (4) is a spring wire.

7. The flexible ureteral stent according to claim 2, wherein the flexible member (4) is wound around the inner wall of the flexible ring section.

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