CN215386839U

CN215386839U - Ureter bracket

Info

Publication number: CN215386839U
Application number: CN202121094842.XU
Authority: CN
Inventors: 宋小飞; 江丹; 李小六
Original assignee: Central Hospital Of Minhang District Shanghai
Current assignee: Central Hospital Of Minhang District Shanghai
Priority date: 2021-05-20
Filing date: 2021-05-20
Publication date: 2022-01-04
Anticipated expiration: 2031-05-20

Abstract

The utility model discloses a ureteral stent which comprises a stent tube body, J-shaped head ends, magnetic conductive balls and magnetic rods, wherein the J-shaped head ends are respectively arranged at two sides of the stent tube body, the magnetic conductive balls are arranged at one side of the J-shaped head ends, the outer surfaces of the magnetic conductive balls are fixedly connected with one end of a connecting wire, the other end of the connecting wire is fixedly connected with the tail part of the J-shaped head end at one side, and the magnetic conductive balls can be adsorbed in oval grooves at the head ends of the magnetic rods through magnetic force. The ureteral stent adopts an innovative tube drawing mode, is easier to be accepted by patients, and has wide clinical application prospect. The ureteral stent tube is simple and convenient in pulling out mode, noninvasive and high in operability, can be completed in an outpatient service, relieves the pain of patients, and reduces the expenditure of medical expenses. Compare traditional ureteral stent need pull out not enough through the cystoscope, have advantages such as security height, feasibility are strong, the emergence risk that the reduction extubation in-process patient that can be great bleeds, infects, urethra damage.

Description

Ureter bracket

Technical Field

The utility model relates to the technical field of medical devices, in particular to a ureteral stent.

Background

Ureteral stents (also known as double J tubes) are used in urology in a wide variety of applications. Typically made of a material that is opaque to X-rays. All operations involving ureter need to keep in the two J pipes after the operation, and the two J pipes can play drainage urine, prevent ureter adhesion, stenosis, are favorable to effects such as ureter injury postrepair. After the double J-shaped tubes are left, the J-shaped head ends are coiled in the renal pelvis at one end and the bladder at the other end, so that the double J-shaped tubes are not easy to displace. However, the existing ureteral stent has the following problems during removal:

1. the double J tubes used clinically at present need to be placed into a cystoscope from an external urethral orifice after the retention period, and the tail parts of the double J tubes are clamped by foreign matter under the cystoscope to be taken out of a human body. The tube drawing mode not only increases medical treatment support, but also increases the pain of patients;

2. the cystoscopic double J-tube extraction is an invasive procedure that may cause hematuria, urinary tract infection, urethral injury and urethral stricture in patients;

3. the cystoscopic double J-tube removal procedure needs to be done in the operating room, which, in addition to increasing the patient's medical costs, also increases the labor and equipment costs of the hospital.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a novel ureteral stent and a removal device matched with the ureteral stent, and solves various problems caused by the fact that a double J tube clinically used at present needs to be placed in a cystoscope from an external urethral opening to be removed after retention.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: the ureteral stent comprises a stent tube body, J-shaped head ends, magnetic conductive balls and magnetic rods, wherein the J-shaped head ends are arranged at two ends of the stent tube body respectively, the magnetic conductive balls are arranged on one side of the J-shaped head ends, the outer surfaces of the magnetic conductive balls are fixedly connected with one end of a connecting wire, the other end of the connecting wire is fixedly connected with the tail of one side of the J-shaped head ends, and the magnetic conductive balls can be attracted into the oval grooves on two sides of the head ends of the magnetic rods through magnetic force.

Preferably, the bracket pipe body is provided with first through holes, and the first through holes are distributed in a parallel mode.

Preferably, the J-shaped head end is provided with a second through hole.

Preferably, the bracket tube body and the J-shaped head end are integrated into a whole and are hollow tubes with two open ends.

Preferably, the head end of the magnetic rod is hemispherical, the grooves are formed in two sides of the head end of the magnetic rod and are oval, the tail end of the magnetic rod is provided with a holding part, and threads are arranged on the surface of the holding part.

(III) advantageous effects

The utility model provides a ureteral stent. The method has the following beneficial effects:

(1) this ureteral stent is equipped with through J-shaped head end one side and leads the magnetic ball, leads magnetic ball external surface fixed connection connecting wire one end, connecting wire other end fixed connection is in the afterbody of J-shaped head end, it adsorbs in the recess of magnetic force pole head end to lead magnetic ball accessible magnetic force, when the ureteral stent is pulled out to needs, inserts the bladder with the magnetic force stick in the mode of similar inserting the catheter, utilizes the magnetic force of magnetic force stick to lead the magnetic ball and adsorb in the recess of its head end, alright extract in the lump with the ureteral stent that is connected with the magnetic ball when pulling out the magnetic force stick. The tube drawing method greatly facilitates medical staff, relieves the pain of patients, reduces the expenditure of medical expenses, has the advantages of high safety, strong feasibility and the like compared with the traditional cystoscope tube drawing method, and greatly reduces the occurrence risk of bleeding, infection and urethral injury of the patients.

(2) The ureteral stent is characterized in that J-shaped head ends are respectively arranged at two ends of the stent tube body, and second through holes are formed in the J-shaped head ends and are distributed in a rotating mode along the J-shaped head ends. Therefore, the stent tube has the functions of preventing displacement and draining similar to the functions of the traditional ureteral stent.

(3) This ureteral stent is equipped with J-shaped head end through the support pipe body twice, J-shaped head end one side is equipped with leads the magnetic ball, and magnetic ball accessible magnetic force adsorbs in the recess of magnetic rod head end. The ureteral stent has a simple integral structure, and can be pulled out of a body together with the ureteral stent connected with the magnetic conduction ball when the magnetic pole is pulled out. The tube drawing operation can be completed in an outpatient clinic, the medical expense of a patient is reduced, and the manpower and equipment cost of a hospital are saved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural diagram of a J-shaped head end according to the present invention;

fig. 3 is a schematic view of the structure of the magnetic rod of the present invention.

In the figure, 1-a bracket tube body, 11-a first through hole, 2-a J-shaped head end, 21-a second through hole, 3-a magnetic conduction ball, 31-a connecting line, 4-a magnetic rod, 41-a groove and 42-a holding part.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.

Referring to fig. 1-3, an embodiment of the present invention provides a technical solution: the ureteral stent comprises a stent tube body 1, J-shaped head ends 2, magnetic conductive balls 3 and magnetic rods 4, the J-shaped head ends 2 are arranged at two ends of the stent tube body 1 respectively, the magnetic conductive balls 3 are arranged at the tail parts of one sides of the J-shaped head ends 2, the outer surfaces of the magnetic conductive balls 3 are fixedly connected with one ends of connecting wires 31, the other ends of the connecting wires 31 are fixedly connected with the J-shaped head ends 2, the magnetic conductive balls 3 are adsorbed to the magnetic rods 4 through magnetic force, when the ureteral stent is required to be pulled out, the magnetic rods 4 are inserted into a bladder in a manner similar to that of inserting a catheter, the magnetic conductive balls 3 are adsorbed by the magnetic force of the magnetic rods 4, and when the magnetic rods 4 are pulled out, the ureteral stent connected with the magnetic conductive balls 3 can be pulled out. The tube drawing mode greatly facilitates medical care personnel, relieves the pain of patients and reduces the expenditure of medical expenses. Compared with the traditional cystoscope tube drawing mode, the cystoscope tube drawing mode has the advantages of high safety, strong feasibility and the like, and the risk of bleeding, infection and urethral injury of a patient is greatly reduced.

The support tube body 1 is provided with first through holes 11, the first through holes 11 are distributed in a parallel mode, and the J-shaped head end 2 is provided with a second through hole 21.

The support tube body 1 and the J-shaped head end 2 are integrated, the J-shaped head end can be straightened, the J-shaped head end 2 and the support tube body 1 can be pushed in along the guide wire, and the support tube is convenient to put in.

The head end of magnetic pole 4 is the hemisphere type, recess 41 has been seted up to the head end both sides of magnetic pole 4, recess 41 is oval, the tail end of magnetic pole 4 is equipped with the portion of gripping 42, the portion of gripping 42 surface is equipped with the screw thread, can hand the portion of gripping 42 after putting into the bladder with the magnetic pole and lead magnetic ball 3 with recess 41 alignment, makes to lead magnetic ball 3 and falls into recess 41 to will lead magnetic ball 3 and fix, make when extracting the magnetic pole lead magnetic ball 3 and be difficult for dropping.

The working principle is as follows: when putting into patient with support tube body 1 and J-shaped head end in vivo, be equipped with first through-hole 11 on support tube body 1, J-shaped head end 2 is equipped with second through-hole 21 to better drainage urine. J-shaped head end can straighten, can push J-shaped head end 2 and support tube body 1 along the seal wire, makes things convenient for putting into of support tube. When the ureteral stent needs to be removed, the holding part 42 is held by hands in a manner similar to inserting a catheter, the magnetic rod is placed into the bladder from the external opening of the urethra, the groove 41 at the head end of the magnetic rod is aligned with the magnetic conduction ball 3, the magnetic conduction ball 3 falls into the groove 41, so that the magnetic conduction ball 3 is fixed, the magnetic conduction ball 3 can be pulled out when the magnetic rod is removed, and the ureteral stent connected with the magnetic conduction ball 3 can be pulled out of the body. The tube drawing mode greatly facilitates the operation of medical personnel, relieves the pain of patients and reduces the expenditure of medical expenses. Compared with the traditional cystoscope tube drawing, the cystoscope tube drawing device has the advantages of high safety, strong feasibility and the like, and greatly reduces the risk of bleeding, infection and urethral injury of patients.

The parts of the 1-stent tube body, the 11-first through hole, the 2-J-shaped head end, the 21-second through hole, the 3-magnetic conducting ball, the 31-connecting line, the 4-magnetic rod, the 41-groove and the 42-holding part are all universal standard parts or parts known by a person skilled in the art, and the structure and principle of the parts can be known by the person skilled in the art or by a conventional experimental method. The utility model solves the problem that the double J tube used clinically at present needs to be placed into a cystoscope from an external urethral orifice after the retention period, and the tail part of the double J tube is clamped by foreign matter under the cystoscope to be taken out of a body. The tube drawing mode under the cystoscope increases the medical support and also increases the pain of the patient; the double J-tube extraction under cystoscope is an invasive procedure which may cause hematuria, urinary tract infection, urethral injury and urethral stricture of patients; the cystoscopic double J-tube extraction procedure needs to be done in the operating room, which, in addition to increasing the patient's medical costs, also increases the hospital's labor and equipment costs.

The utility model adopts an innovative tube drawing mode through the combination of the components, is more easily accepted by patients, and has wide application prospect and huge clinical potential users. The ureteral stent is simple and convenient in pulling out mode, noninvasive and high in operability, can be completed in an outpatient service, greatly facilitates patients, relieves the pain of the patients, and reduces the expenditure of medical expenses. Compared with the traditional cystoscope tube drawing, the cystoscope tube drawing device has the advantages of high safety, strong feasibility and the like, can greatly reduce the occurrence risk of hemorrhage, infection and urethral injury of a patient, and saves the labor and equipment cost of a hospital besides reducing the medical expense of the patient.

While there have been shown and described what are at present considered the fundamental principles of the utility model, its essential features and advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. Ureteral stent, its characterized in that: including support pipe body (1), J-shaped head end (2), magnetic conduction ball (3) and magnetic force pole (4), support pipe body (1) both sides are equipped with J-shaped head end (2) respectively, and support pipe body and J-shaped head end are a continuous hollow tube, and the J-shaped head end can stretch out under the exogenic action and be a straight line with the body, and the head end resumes to the annular dish song after removing the exogenic action, J-shaped head end (2) one side is equipped with magnetic conduction ball (3), magnetic conduction ball (3) outer fixed surface connects connecting wire (31) one end, connecting wire (31) other end fixed connection the afterbody of J-shaped head end (2) one side, magnetic conduction ball (3) accessible magnetic force adsorb in recess (41) of magnetic force pole (4) head end.

2. The ureteral stent of claim 1, wherein: the support tube body (1) is provided with first through holes (11), and the first through holes (11) are distributed in a parallel mode.

3. The ureteral stent of claim 1, wherein: and a second through hole (21) is arranged on the J-shaped head end (2).

4. The ureteral stent of claim 1, wherein: the support tube body (1) and the J-shaped head end (2) are integrated.

5. The ureteral stent of claim 1, wherein: the magnetic pole is characterized in that the head end of the magnetic pole (4) is hemispherical, the grooves (41) are formed in two sides of the head end of the magnetic pole (4), the grooves (41) are oval, the tail end of the magnetic pole (4) is provided with a holding part (42), and threads are arranged on the surface of the holding part (42).