CN213724315U

CN213724315U - Nephrostomy tube

Info

Publication number: CN213724315U
Application number: CN202021109930.8U
Authority: CN
Inventors: 李彦生; 张鑫; 韩修武
Original assignee: Beijing Chaoyang Hospital
Current assignee: Beijing Chaoyang Hospital
Priority date: 2020-06-16
Filing date: 2020-06-16
Publication date: 2021-07-20
Anticipated expiration: 2030-06-16

Abstract

The utility model provides a nephrostomy tube, which comprises a tube body, a first air bag, a second air bag and a third air bag, wherein the first air bag, the second air bag and the third air bag are arranged on the tube body; the third gasbag includes first bottom surface and connects first bottom surface with the inclined plane of body surface, first bottom surface with the inclined plane all encircles the body sets up first bottom surface the inclined plane with be formed with the third cavity between the body, along the perpendicular to the axis direction of body, the size of first bottom surface is greater than first gasbag the size of second gasbag. The kidney fistulation tube of an embodiment of the utility model can be used for adjustable compression hemostasis.

Description

Nephrostomy tube

Technical Field

The utility model relates to a kidney fistulization field specifically is a kidney fistulization pipe that can be used to stanch.

Background

The percutaneous nephroscope technology is a main means for treating large kidney stones at present, and a pen thick and thin nephrostomy channel is formed by puncture and expansion of the kidney in an operation. The kidney is an organ with abundant blood flow, and the patient needs to lie in bed for several days after operation to prevent bleeding of the fistulization channel; if bleeding is not only stopped, but also embolism for hemostasis is needed, which can cause great influence on patients.

At present, the kidney fistulation tube placed after operation is only a single-channel simple fistulation tube and only plays a role in drainage. The bleeding of the puncture fistulization channel can not be pressed, bleeding hidden troubles exist, and the further treatment can not be carried out after the bleeding.

SUMMERY OF THE UTILITY MODEL

The utility model has the main purpose of providing a nephrostomy tube, which comprises a tube body, a first air bag, a second air bag and a third air bag, wherein the first air bag, the second air bag and the third air bag are arranged on the tube body; the third gasbag includes first bottom surface and connects first bottom surface with the inclined plane of body surface, first bottom surface with the inclined plane all encircles the body sets up first bottom surface the inclined plane with be formed with the third cavity between the body, along the perpendicular to the axis direction of body, the size of first bottom surface is greater than first gasbag the size of second gasbag.

According to an embodiment of the present invention, the included angle between the first bottom surface and the pipe axis is 80-100 °

According to the utility model discloses an embodiment, the third gasbag is followed the cross-section of body axis direction is the right angled triangle or the class right angled triangle of two symmetries, class right angled triangle's shape lies in the hypotenuse including the circular arc with right angled triangle's difference.

According to the utility model discloses an embodiment, class right triangle's hypotenuse is formed by one section circular arc, the string of circular arc is located outside class right triangle.

According to the utility model discloses an embodiment, right angled triangle or class right angled triangle's horizontal right-angle side is 20 ~ 80 with the contained angle of hypotenuse, the horizontal right-angle side refer with body axis looks vertically right-angle side.

According to the utility model discloses an embodiment, the third gasbag includes the second bottom surface, the inclined plane passes through the second bottom surface set up in the surface of body, along the perpendicular to the axis direction of body, the size of second bottom surface is less than first bottom surface.

According to the utility model relates to an embodiment, the third gasbag is followed the cross-section of body axis direction is the right trapezoid or the class right trapezoid of two symmetries, the shape of class right trapezoid and right trapezoid's difference lie in that the oblique waist of connecting the upper base and going to the bottom includes the circular arc.

According to the utility model discloses an embodiment, class right trapezoid's oblique waist is formed by one section circular arc, the string of circular arc is located outside class right trapezoid.

According to an embodiment of the present invention, the first air cell, the second air cell, and the third air cell are all disposed around the tube body, the first air cell is spherical, the second air cell is cylindrical, and the first bottom surface and the second bottom surface are both circular; the first air bag comprises a first cavity, the second air bag comprises a second cavity, and the first cavity, the second cavity and the third cavity are all arranged around the tube body.

According to an embodiment of the present invention, the tube body includes a first end portion and a second end portion, and the first air cell, the second air cell, and the third air cell are disposed between the first end portion and the second end portion; the second end part is provided with a first opening, a second opening and a third opening which are communicated with the outside; a first channel, a second channel and a third channel are arranged in the pipe wall of the pipe body, the first channel is communicated with the third cavity and the first opening, the second channel is communicated with the second cavity and the second opening, and the third channel is communicated with the first cavity and the third opening.

The kidney fistulation tube of an embodiment of the utility model can be used for adjustable compression hemostasis.

Drawings

The various objects, features and advantages of the present invention will become more apparent from the following detailed description of the preferred embodiments of the invention, when considered in conjunction with the accompanying drawings. The drawings are merely exemplary of the invention and are not necessarily drawn to scale. In the drawings, like reference characters designate the same or similar parts throughout the different views. Wherein:

fig. 1 is a schematic structural view of a kidney fistula according to an embodiment of the present invention;

fig. 2 is a partial sectional view of a nephrostomy tube according to an embodiment of the present invention, taken along the axis of the tube body.

Detailed Description

Exemplary embodiments that embody features and advantages of the present invention will be described in detail in the following description. It is to be understood that the invention is capable of other and different embodiments and its several details are capable of modification without departing from the scope of the invention, and that the description and drawings are to be regarded as illustrative in nature and not as restrictive.

The utility model relates to an embodiment's kidney fistulization pipe has increased the setting of gasbag, all has oppression, shutoff effect at the both ends of fistulization passageway and passageway itself, can let the patient avoid bed, fall the field in the morning to avoid the emergence of the relevant complication of bed, and can play the effect of treatment to postponing bleeding.

As shown in fig. 1 and 2, an embodiment of the present invention provides a nephrostomy tube, including a tube body 100, and a first balloon 10, a second balloon 20 and a third balloon 30 disposed on the tube body 100; the third airbag 30 includes a first bottom surface 31 and a slope 33 connecting the first bottom surface 31 and the outer surface of the tube 100, the first bottom surface 31 and the slope 33 are disposed around the tube 100, a third cavity 34 is formed between the first bottom surface 31, the slope 33 and the tube 100, and a transverse dimension of the first bottom surface 31 is greater than a transverse dimension of the first airbag 10 and the second airbag 20, and the transverse dimension is a maximum dimension perpendicular to an axial direction of the tube 100.

In one embodiment, the third bladder 30 is in the shape of a truncated cone or a horn.

In one embodiment, the inclined plane 33 is distributed annularly around the tube 100 and includes a first annular opening and a second annular opening respectively located at two ends, the first annular opening is disposed on the first bottom surface 31, and the size of the first annular opening is the same as or smaller than that of the first bottom surface 31; a second annular port is provided in the body 100, the second annular port being smaller in size than the first annular port, the second annular port being adjacent the second bladder 20, i.e., the second annular port being located between the second bladder 20 and the first bottom surface 31.

In one embodiment, the first bottom surface 31 is circular ring-shaped, and the tube 100 passes through the central through hole of the first bottom surface 31, i.e. the inner ring edge of the circular ring-shape is disposed on the outer surface of the tube 100, and the outer ring edge is connected to the first annular opening of the inclined surface 33.

In one embodiment, the cross section of the third bladder 30 along the axial direction of the tube 100 is two symmetrical right triangles or right triangle-like shapes, and the two right triangles or right triangle-like shapes are symmetrical with respect to the cross section of the tube 100 or with respect to the axial direction of the tube 100. Wherein, the right-angle-like triangle means a shape similar to that of a right-angle triangle, but the hypotenuse includes an arc, which may be an inner arc or an outer arc, wherein the arc with the corresponding chord outside the right-angle-like triangle is the outer arc, and conversely, the arc with the corresponding chord inside the right-angle-like triangle is the inner arc.

In one embodiment, the hypotenuse of the right triangle may be composed of a circular arc and a line segment, preferably, the circular arc is an outer circular arc and is connected to the horizontal leg, i.e., the first bottom surface 31.

In one embodiment, the hypotenuse of the right triangle may be a circular arc, which may be an inner circular arc or an outer circular arc, preferably an outer circular arc.

In one embodiment, the included angle between the first bottom surface 31 and the inclined surface 33 is 20 to 80 °, for example, 25 °, 30 °, 40 °, 45 °, 50 °, 60 °, 70 °, 75 °, and the like.

In one embodiment, the included angle between the first bottom surface 31 and the inclined surface 33 is the included angle between the hypotenuse and the horizontal cathetus of a right triangle or a similar right triangle.

In one embodiment, the third bladder 30 includes a second bottom surface 32, and the second annular opening of the inclined surface 33 is disposed on the tube 100 through the second bottom surface 33.

In one embodiment, the first bottom surface 31 is parallel to the second bottom surface 32.

In one embodiment, the second bottom 32 is circular, and the tube 100 passes through the central through hole of the second bottom 32, i.e. the inner circular ring is disposed on the outer surface of the tube 100, and the outer circular ring is connected to the second annular opening of the inclined plane 33.

In one embodiment, the diameter of the first bottom surface 31 is greater than the diameter of the second bottom surface 32, and the second bottom surface 32 is located between the second airbag 20 and the first bottom surface 31.

In one embodiment, the cross section of the third bladder 30 along the axial direction of the tube 100 is two symmetrical right-angled trapezoids or right-angled trapezoid-like shapes, and the two right-angled trapezoids or right-angled trapezoid-like shapes are symmetrical with respect to the cross section of the tube 100 or the axial direction of the tube 100. Wherein, the right-angle-like trapezoid is similar to the right-angle trapezoid in shape, but the oblique waist connecting the upper bottom and the lower bottom comprises an arc, which can be an inner arc or an outer arc, wherein the arc with the corresponding chord outside the right-angle-like trapezoid is the outer arc, and conversely, the arc with the corresponding chord inside the right-angle-like trapezoid is the inner arc.

In one embodiment, the oblique waist of the right trapezoid can be composed of a circular arc and a line segment, and preferably, the circular arc is an outer circular arc and is connected to the lower bottom.

In one embodiment, the oblique waist of the right-angle trapezoid can be a segment of a circular arc, which can be an inner circular arc or an outer circular arc, preferably an outer circular arc.

In one embodiment, the included angle between the first bottom surface 31 and/or the second bottom surface 32 and the axis of the tube 100 is 80 to 100 °, and preferably, the first bottom surface 31 and/or the second bottom surface 32 is perpendicular to the axis of the tube 100.

In one embodiment, the third cavity 34 is surrounded by the first bottom surface 31, the second bottom surface 32, the inclined surface 33 and the tube 100.

In one embodiment, the tubular body 100 includes a first end 110 and a second end 120, and the first balloon 10, the second balloon 20, and the third balloon 30 are sequentially disposed between the first end 110 and the second end 120, the first balloon 10 being adjacent to the first end 110, and the third balloon 30 being adjacent to the second end 120.

In one embodiment, the tubular body 100 is a tube having a substantially cylindrical cavity with an arcuate or hemispherical shape at the first end 110.

In one embodiment, the first, second and

third bladders

10, 20 and 30 are all disposed around the tube 100, i.e., the tube 100 extends through the first, second and

third bladders

10, 20 and 30.

In one embodiment, the first balloon 10, the second balloon 20, the third balloon 30 and the tube 100 have the same axis, i.e. the axes of the first balloon, the second balloon and the third balloon are located on the same straight line.

In one embodiment, the first airbag 10 includes a first cavity 11, the second airbag 20 includes a second cavity 21, and the first cavity 11, the second cavity 21, and the third cavity 34 are all disposed around the tube 100.

In one embodiment, the second bladder 20 is cylindrical and located outside the tube 100, the second cavity 21 is formed between the second bladder 20 and the tube 100, and the cross-sectional diameter of the second bladder 20 is smaller than the diameter of the first bottom surface 31 of the third bladder 30.

In one embodiment, the first balloon 10 may be spherical, elliptical or lantern shaped, and the first cavity 11 is formed between the first balloon 10 and the tube 100.

In one embodiment, the first bladder 10 has a spherical shape with a diameter smaller than the diameter of the first bottom surface 31 of the third bladder 30.

In one embodiment, the tube 100 has a through hole 111 at the first end 110, and a first opening 121, a second opening 122, and a third opening 123 communicating with the outside at the second end 120, which are located at the sides of the opening of the tube 100.

In one embodiment, a first channel 131, a second channel 132, and a third channel 133 are formed in a tube wall of the tube 100, and the first channel 131, the second channel 132, and the third channel 133 respectively extend along an axial direction of the tube 100; the first channel 131 communicates the third cavity 34 with the first opening 121, the second channel 132 communicates the second cavity 21 with the second opening 122, and the third channel 133 communicates the first cavity 11 with the third opening 123.

In one embodiment, the first, second and

third air bags

10, 20 and 30 are made of a soft material, such as silicone, so as to facilitate the expansion and contraction of the first, second and

third air bags

10, 20 and 30.

In one embodiment, the tube 100 is made of silicone.

In the present invention, the descriptions of the shapes of the first, second, and

third airbags

10, 20, and 30 refer to the shapes of the airbags filled with gas or liquid.

In the utility model, when in use, liquid, such as water, can be introduced into the first air bag 10, the second air bag 20 and the third air bag 30, so that the air bags are supported and play a role in compression to the surrounding environment, such as internal organs of a body, thereby being used for hemostasis by compression.

In one embodiment, the amount of fluid passing through the first, second, and

third balloons

10, 20, 30 can be controlled to control the degree of inflation of the balloons, thereby achieving adjustable hemostasis by compression.

In one embodiment, the third balloon 30 has a larger dimension than the first and

second balloons

10, 20 in a direction perpendicular to the axis of the tubular body 100 (transverse), so that the maximum transverse dimension that the nephrostomy tube can reach after inflation with an injected fluid is mainly determined by the degree of inflation of the third balloon 30.

The kidney fistula according to an embodiment of the present invention has the characteristic of being opaque to X-rays.

Unless otherwise defined, all terms used in the present invention have the meanings commonly understood by those skilled in the art.

The described embodiments are for illustrative purposes only and are not intended to limit the scope of the present invention, and various other substitutions, changes and modifications may be made by those skilled in the art within the scope of the present invention.

Claims

1. A nephrostomy tube, which is characterized by comprising a tube body, a first air bag, a second air bag and a third air bag, wherein the first air bag, the second air bag and the third air bag are arranged on the tube body; the third gasbag includes first bottom surface and connects first bottom surface with the inclined plane of body surface, first bottom surface with the inclined plane all encircles the body sets up first bottom surface the inclined plane with be formed with the third cavity between the body, along the perpendicular to the axis direction of body, the size of first bottom surface is greater than first gasbag the size of second gasbag.

2. A nephrostomy tube as claimed in claim 1 wherein the angle between the first floor and the axis of the tube is 80 to 100 °.

3. A nephrostomy tube as claimed in claim 1, wherein said third balloon has, in section in the direction of the axis of said tube, two symmetrical right triangles or right triangle-like shapes differing from a right triangle in that the hypotenuse includes a circular arc.

4. A nephrostomy tube as claimed in claim 3, wherein the hypotenuse of said right triangle is formed by a segment of a circular arc, the chord of which is located outside said right triangle.

5. A nephrostomy tube as claimed in claim 3, wherein the horizontal cathetus of said right triangle or said right triangle-like form has an angle of 20-80 ° to the hypotenuse, said horizontal cathetus being the cathetus perpendicular to the axis of said tube.

6. A nephrostomy tube as claimed in claim 1, wherein said third balloon includes a second bottom surface through which said ramp is provided on the outer surface of said tube, said second bottom surface being smaller in dimension than said first bottom surface in a direction perpendicular to the axis of said tube.

7. A nephrostomy tube as claimed in claim 6, wherein said third balloon has, in section in the direction of the axis of said tubular body, two symmetrical right trapezoids or right trapezoid-like shapes which differ from a right trapezoid in that the oblique waist joining the upper and lower bases comprises a circular arc.

8. Nephrostomy tube according to claim 7, characterized in that the oblique waist of said right-angle-like trapezoid is formed by a segment of a circular arc, the chord of which is located outside said right-angle-like trapezoid.

9. A nephrostomy tube as claimed in claim 6, wherein said first, second and third balloons are disposed around said tube, said first balloon being spherical and said second balloon being cylindrical, said first and second bottom surfaces each being circular; the first air bag comprises a first cavity, the second air bag comprises a second cavity, and the first cavity, the second cavity and the third cavity are all arranged around the tube body.

10. A nephrostomy tube as claimed in claim 9, wherein said tube includes a first end and a second end, said first, second and third balloons being disposed between said first and second ends; the second end part is provided with a first opening, a second opening and a third opening which are communicated with the outside; a first channel, a second channel and a third channel are arranged in the pipe wall of the pipe body, the first channel is communicated with the third cavity and the first opening, the second channel is communicated with the second cavity and the second opening, and the third channel is communicated with the first cavity and the third opening.