CN212327150U

CN212327150U - Ureteral stent tube for relieving mucosal injury

Info

Publication number: CN212327150U
Application number: CN202021832076.8U
Authority: CN
Inventors: 李明勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2021-01-12
Anticipated expiration: 2030-08-27

Abstract

The utility model discloses a alleviate ureteral stent of mucous membrane damage, the stent is a hollow hose, increase thick section including body, bending section and circle blunt, the body both ends respectively are equipped with a bending section, the ring shape diameter of bending section is littleer and be disc structure, the free end of bending section all is equipped with a circle blunt and increases thick section, the circle blunt increases thick section external diameter and is greater than the bending section, is spherical structure, and the tip is spherical structure, can avoid a series of side effects, body, bending section and circle blunt increase the internal diameter of thick section the same, the bending section is the same with the body external diameter. The utility model does not need to push the tube, simplifies the operation process, reduces the steps in the embedding process and can reduce the pain of the patient; meanwhile, the two ends of the support tube are arranged to be round and blunt structures, and the end parts can relieve the stimulation to renal pelvis and bladder mucosa and avoid the occurrence of the phenomena of hematuria and the like caused by injury bleeding of the mucosa in the pushing process and after being placed in a human body.

Description

Ureteral stent tube for relieving mucosal injury

Technical Field

The utility model belongs to the technical field of ureteral stent, especially, relate to a alleviate ureteral stent of mucous membrane damage.

Background

The ureteral stent tube has the functions of stent and internal drainage, is used after ureter-related operations, is often required to be kept in a body for 1-6 months, can ensure smooth drainage, can relieve temporary obstruction possibly caused by ureter inflammation, edema and the like, can prevent urine leakage and ureter stenosis after operations, is not directly communicated with the outside, and can avoid bleeding and infection caused by nephrostomy; because of no restriction and uncomfortable feeling of the external drainage tube, the patient can get out of bed for activity in early stage, which is beneficial to postoperative rehabilitation.

The existing ureteral stent suit comprises a stent tube, a guide wire and a push tube, the stent tube is required to be fed in by the push tube in the process of putting in, a ureteroscope is placed on one side of the push tube and pushed into the urethra, the entering position of the stent tube is judged by the ureteroscope, the ureteroscope and the stent tube are pushed into the urethra together, the operation is complex, and a lot of physiological discomfort is brought to patients; and the tube walls at the two ends of the conventional ureteral stent tube are thin, so that the end parts are thin and sharp, as shown in fig. 1, the design is convenient for the implantation of the stent tube, but the structure has a scraping effect on renal pelvis and bladder mucosa when being delivered into a human body and staying in the human body, so that the waist and the lower abdomen of a patient are easy to feel distended pain and uncomfortable, and bleeding is easy to cause hematuria phenomenon. In order to improve the multiple inconvenience that current ureteral stent pipe suit brought, the utility model provides a new ureteral stent pipe suit.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a alleviate ureteral stent of mucous membrane damage, establish to the round blunt structure at its both ends, push the in-process and place at the human back, the tip can alleviate the stimulation to renal pelvis and bladder mucosa and avoid leading to the emergence of phenomenons such as hemorrhage to the damage of mucous membrane.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a alleviate ureteral stent tube of mucous membrane damage, the stent tube is a hollow hose, increases thick section including body, bending section and circle, the body both ends respectively are equipped with a bending section, the ring structure of bending section is littleer and for the disc structure, the free end of bending section all is equipped with a circle and increases thick section, the circle increases thick section external diameter and is greater than bending section, is globular structure, and the tip is globular structure can alleviate the stimulation to renal pelvis and bladder and to the damage of mucous membrane, can avoid a series of side effects.

The technical scheme of further improvement in the technical scheme is as follows:

1. in the above scheme, the body, the internal diameter of crooked section and round blunt thickening section is the same, crooked section is the same with the body external diameter.

2. In the scheme, a plurality of side holes are distributed on the pipe body and the bending section.

3. In the scheme, at least 3 side holes are formed in the bending section, so that when the end part of the support tube is blocked by blood clots or stone powder, drainage can still be performed.

4. In the above-mentioned scheme, the bending section is the disc structure, and this disc structure includes 1 ~ 2 rings that link together, and the diameter of the last ring of disc structure is littleer than the diameter in the traditional structure, and reduces gradually by the outside loop to the inner ring diameter, can reduce the occupation space of bending section at bladder and kidney, does not have enough patient's reduction burden of placing the space after ponding and bladder micturition, alleviates uncomfortable sense.

5. In the above scheme, the end face of the opening of the round and blunt thickening section is provided with an arc chamfer.

6. In the above scheme, the pipe body is provided with scale marks.

A method for implanting a ureteral stent for reducing mucosal injury, comprising the following steps:

s1, sleeving the stent tube on the outer side of the guide wire;

s2, reversely placing the guide wire from the operation channel at the end of the ureteroscope end along the tail end of the guide wire to the tail end of the ureteroscope, enabling the ureteroscope to be tightly attached to the rear of the stent tube, and pushing the stent tube to advance;

s3, pushing the stent tube to the bladder neck along the guide wire by the ureteroscope;

s4, withdrawing the guide wire, automatically separating the stent tube from the head end of the ureteroscope body, automatically forming a circular ring shape at the bent section of the stent tube in the bladder, and automatically forming a circular ring shape at the other end in the renal pelvis to finish the implantation.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:

1. the ureteral stent tube for relieving mucosa injury of the utility model has the advantages that the two ends of the stent tube are arranged into round and blunt structures, so that the end part can relieve the stimulation to renal pelvis and bladder mucosa and avoid the occurrence of the phenomena of hematuria and the like caused by injury bleeding of mucosa in the pushing process and after being placed in a human body, and a series of side effects can be avoided; meanwhile, the two ends are arranged to be round and blunt thickening structures, so that the stent tube is not easy to be clamped at the front end of the ureteroscope/nephroscope after exiting from the guide wire, and the catheter is more convenient and beneficial to be placed.

2. The utility model discloses alleviate ureter stent tube of mucous membrane damage, the ring carrier of the crooked section in its stent tube both ends is littleer and the diameter reduces gradually, can reduce the occupation space of crooked section at bladder and kidney, does not have enough patient's reduction burden of placing the space after waterlogging kidney and bladder urination, alleviates uncomfortable sense.

3. The ureteral stent tube for relieving mucosa injury of the utility model is provided with a plurality of side holes on the bending section, so that when the end part of the stent tube is blocked by blood clots or stone powder, drainage can still be carried out; in addition, the two end parts are of the same structure, so that the stent tube can be placed into the bladder from the bladder end to the kidney and can also be placed into the bladder from the kidney end, multiple choices are provided for practical operation, and the stent is more convenient and practical.

4. The ureteral stent tube for relieving the mucosa injury of the utility model does not need a push tube, simplifies the operation process, reduces the operation steps in the embedding process and reduces the pain of patients; meanwhile, the simplified support tube set can reduce the expenditure of consumables, reduce the medical cost of patients and save medical resources.

Drawings

Figure 1 is the present support tube structure chart in the background art of the utility model.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is the operation structure diagram of the connecting mirror body after the bracket tube and the guide wire are installed.

Fig. 4 is a schematic view of the local enlargement of the round and blunt thickening section of the present invention.

In the figure: 1. a stent tube; 11. a pipe body; 12. a curved section; 13. a round and thick section; 14. a side hole; 2. a guide wire; 3. ureteroscope/nephroscope.

Detailed Description

In the description of this patent, it is noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the 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; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The meaning of the above terms in this patent may be specifically understood by those of ordinary skill in the art.

The invention will be further described with reference to the following examples:

example 1: a ureteral stent tube for relieving mucosal injury comprises a stent tube 1 and a guide wire 2, wherein the stent tube 1 is sleeved outside the guide wire 2 when in use; the support tube 1 is a hollow hose and comprises a tube body 11, a bending section 12 and a round thickening section 13, the two ends of the tube body 11 are respectively provided with the bending section 12, the free end of the bending section 12 is provided with the round thickening section 13, the inner diameters of the tube body 11, the bending section 12 and the round thickening section 13 are the same, the outer diameters of the bending section 12 and the tube body 11 are the same and are both 6Fr, the outer diameter of the round thickening section 13 is larger than that of the bending section 12, and the outer diameter of the round thickening section 13 is 8 Fr;

the round thickening section 13 is of a spherical structure, the end part of the round thickening section is of a spherical structure, so that stimulation to renal pelvis and bladder mucosa can be relieved, the phenomenon that injury bleeding to the mucosa causes hematuria and the like can be avoided, a series of side effects can be avoided, and the end face of the opening of the round thickening section 13 is provided with an arc-shaped chamfer so as to further reduce scraping between the end part and a human body;

the side holes 14 are distributed on the tube body 11 and the bending section 12, 4 side holes 14 are arranged on the bending section 12, so that when the end part of the stent tube is blocked by blood clots or calculus powder, drainage can still be carried out, the bending section 12 is of a disc-shaped structure, the disc-shaped structure comprises 1.5 circular rings which are connected together, the diameter of the circular rings on the disc-shaped structure is smaller, the diameter of the circular rings is gradually reduced from an outer ring to an inner ring, the occupied space of the bending section in the bladder and the kidney can be reduced, the burden of a patient who does not have enough space for placing the kidney and the bladder after urination is reduced, and discomfort is relieved;

the pipe body 11 is provided with scale marks which can be used for judging the placing depth of the support pipe.

s1, sleeving the stent tube 1 outside the guide wire 2;

s2, reversely placing the guide wire from the head end operation channel of the ureteroscope/nephroscope 3 along the tail end of the guide wire 2 to the tail end of the ureteroscope/nephroscope 3, enabling the ureteroscope/nephroscope 3 to be tightly attached to the rear of the stent tube, and pushing the stent tube to advance;

s3, the ureteroscope/nephroscope 3 pushes the stent tube to the proper position of the bladder neck/renal calyx along the guide wire;

s4, withdrawing the guide wire 2, automatically separating the stent tube from the head end of the ureteroscope/nephroscope 3 body, automatically forming a circular ring shape at one end of the bent section 12 of the stent tube in the bladder and automatically forming a circular ring shape at the other end of the stent tube in the renal pelvis, and completing the implantation.

The operation steps do not need to push the tube, thereby simplifying the whole operation flow, shortening the step of placing and reducing the pain of patients.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. A ureteral stent tube for relieving mucosal injury, which is characterized in that: the support tube (1) is a hollow hose and comprises a tube body (11), a bending section (12) and a round thickening section (13), wherein the two ends of the tube body (11) are respectively provided with the bending section (12), the free end of the bending section (12) is provided with the round thickening section (13), and the outer diameter of the round thickening section (13) is larger than that of the bending section (12) and is of a spherical structure.

2. The ureteral stent tube for reducing mucosal injury according to claim 1, wherein: the inner diameters of the pipe body (11), the bending section (12) and the round thickening section (13) are the same, and the outer diameters of the bending section (12) and the pipe body (11) are the same.

3. The ureteral stent tube for reducing mucosal injury according to claim 1, wherein: a plurality of side holes (14) are distributed on the pipe body (11) and the bending section (12).

4. The mucosa injury-reducing ureteral stent according to claim 3, wherein: at least 3 side holes (14) are arranged on the bending section (12).

5. The ureteral stent tube for reducing mucosal injury according to claim 1, wherein: the bending section (12) is of a disc-shaped structure, the disc-shaped structure comprises 1-2 connected circular rings, and the diameter of each circular ring on the disc-shaped structure is gradually reduced from the outer ring to the inner ring.

6. The ureteral stent tube for reducing mucosal injury according to claim 1, wherein: the end face of the opening of the round thickening section (13) is provided with an arc chamfer.

7. The ureteral stent tube for reducing mucosal injury according to claim 1, wherein: the pipe body (11) is provided with scale marks.