CN211382094U

CN211382094U - Bladder fistulation tube

Info

Publication number: CN211382094U
Application number: CN201921060708.0U
Authority: CN
Inventors: 黄海
Original assignee: Sun Yat Sen Memorial Hospital Sun Yat Sen University
Current assignee: Sun Yat Sen Memorial Hospital Sun Yat Sen University
Priority date: 2019-07-08
Filing date: 2019-07-08
Publication date: 2020-09-01
Anticipated expiration: 2029-07-08

Abstract

The utility model discloses a bladder fistulization tube. The bladder fistulation tube comprises a catheter, a water sac, an extension hose and an anti-seepage assembly, wherein a urethral catheterization channel and a water sac channel are arranged in the catheter, and a urethral catheterization outlet is arranged at the rear part of the catheter corresponding to the urethral catheterization channel and a water injection port is arranged corresponding to the water sac channel; an elastic pressure valve is arranged in the urethral catheterization channel; one end of the extension hose is communicated with the inlet of the urethral catheterization channel, and the side wall of the other end of the extension hose is provided with a plurality of first urine inlets; the center of the anti-leakage component is provided with a through hole which is movably arranged on the conduit in a penetrating way, and one side of the anti-leakage component is provided with a gel layer which can be attached to the skin. The bladder fistulation tube of the utility model can completely drain urine in bladder and can effectively prevent urine leakage and infection; the unidirectional flow of urine can be realized; so that the pressure of the fistulization tube is controllable; the catheter can be bent, and the use and fixation of a patient are facilitated.

Description

Bladder fistulation tube

Technical Field

The utility model relates to the field of medical equipment, in particular to a bladder fistulation tube.

Background

In the actual clinical practice of urology, permanent fistulation of the bladder is common for a variety of reasons. Currently, for cystostomy, a dedicated cystostomy tube is generally used. The bladder fistulation tube in the prior art generally comprises a fistulation tube, a water sac is arranged on the fistulation tube, a tube head of the fistulation tube is provided with a urine inlet, the tail end of the fistulation tube is provided with a urine outlet and a water filling port, and a baffle plate or a fixing plate is also arranged on the fistulation tube for fixing the fistulation tube. When the fistula-making device is used, the tube head of the fistula-making tube is stretched into the proper position of the bladder, the water sac is filled with water, the fistula-making tube is slightly pulled, the water sac is attached to the inner wall of the bladder, then the blocking piece or the fixing piece is attached to the surface of the body for fixing, and the medical adhesive tape is wound for fixing generally.

However, the existing bladder stoma tube has the following problems: 1. leakage of urine: the fistulization tube and the abdominal wall fistula can not be completely sealed, and urine flows out from a gap between the fistulization tube and the fistulization opening, so that a patient feels urine smell, and the life quality and the environment are affected. Moreover, urine can produce bacteria, which causes fistulization infection, and even more bacteria can enter the bladder through the fistulization tube, and urinary system infection is caused, so that secondary calculi, pyelonephritis and the like can endanger the life of a patient. 2. The drainage is incomplete, the bladder fistulation tube on the abdominal wall can not completely lead urine out of the bladder due to gravity, only part of the urine in the bladder is led out each time, and the residual urine in the bladder can cause infection and bladder calculi for a long time. 3. The fistulization tube can not be bent, the fistulization opening is arranged at the center of the lower abdomen, and the existing fistulization tube is a urinary catheter and can not be bent, so that dressing and life quality are affected. 4. The pressure is not controllable: the pressure of the current cystostomy tube is not controllable, and if the ostomy tube is blocked or pressed, the pressure in the bladder exceeds the safe pressure, which can cause hydronephrosis and the function of the upper urinary tract to be damaged. Particularly, for neurogenic bladder patients, sensory nerves are insensitive, and the upper urinary tract is easily damaged.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims at providing a bladder fistulation pipe to effectively solve the weak point of prior art.

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

a bladder stoma comprising: the catheter is internally provided with a urethral catheterization channel and a water sac channel, and the rear part of the catheter is provided with a urethral catheterization outlet corresponding to the urethral catheterization channel and a water filling port corresponding to the water sac channel; a water bladder disposed on the catheter and in communication with the water bladder channel; an elastic pressure valve is arranged in the urethral catheterization channel; further comprising: the pipe diameter of the extension hose is smaller than the inner diameter of the urethral catheterization channel, one end of the extension hose is communicated with the inlet of the urethral catheterization channel, and the side wall of the other end of the extension hose is provided with a plurality of first urine inlets; a leak-resistant assembly, the leak-resistant assembly comprising: the separation blade is provided with a central through hole, and the separation blade movably penetrates through the pipe body of the catheter through the central through hole; the antibacterial adhesion structure is composed of a gel layer and an antibacterial layer, and is arranged on one side surface of the separation blade and used for adhering skin; and the sealing assembly is arranged on the baffle corresponding to the central through hole.

Compared with the prior art, the bladder fistulation tube of the utility model has the following advantages: 1. the drainage is complete, and the front end of the original catheter is provided with the extension hose which can go deep into the lowest part of the bladder, so that the residual urine is completely led out. 2. Can effectually place lou urine, the utility model discloses be provided with antibiotic adhesion structure on the separation blade, the gel layer can be comfortable firm paste skin on, antibiotic layer can effectual suppression bacterium, prevents the infection of fistulization mouth, and seal assembly can press and close fistulization mouth, plays the function that seals the urine and ooze. 3. The one-way flow of urine can be realized for fistulization pipe pressure is controllable, and the inside elastic pressure valve that is equipped with of pipe can make the bladder sufficient, guarantees that the urine is whole to be drawn out after arousing detrusor contraction, makes the bladder be in the biological function state, and the elastic valve can also make urine one-way flow, the effectual urine that prevents flows backward.

Furthermore, the other side of separation blade is provided with at least one bar recess that matches with the pipe external diameter, bar recess is followed central through-hole radially extends to the edge of apron. So set up, the pipe can be crooked to be placed in the bar recess for it presses close to skin to make the fistulation pipe, and convenience of customers wears the clothing fixed, reduces the friction with the clothing.

Further, the outer wall of the conduit is provided with a section of fold portion convenient for bending. Put into the bladder with the fistulization pipe, fill water to the water pocket, the position of adjustment pipe, the fold portion of pipe is close to the antiseep subassembly and sets up, and fold portion can fold and crooked, also can the person of facilitating the use dress fix, reduce the friction of pipe and clothing equally.

Further, the elastic pressure valve is at least two pieces and enables the intravesical pressure not to be higher than 40cmH₂And O. So set up, the elasticity pressure valve adopts the good software material of toughness, can guarantee that the bladder has certain internal pressure, can make the bladder sufficient, guarantees that the urine is whole to be drawn out after arousing detrusor contraction, makes the bladder be in biological function state, ensures that the upper urinary tract does not harm.

Further, the sealing component is an elastic sealing ring, a through hole is formed in the middle of the elastic sealing ring, and the elastic sealing ring is in interference fit with the outer wall of the guide pipe through the through hole. The elastic sealing ring has elasticity, and the middle through hole and the catheter interference fit can play a role in pressing the catheter closed, so that urine can be effectively prevented from seeping outwards.

Further, the sealing assembly is formed by at least two sealing valves in a ring-shaped assembly mode. The sealing valve is made of soft materials with good toughness and is assembled in an annular assembly mode structure, so that catheters with different shapes can be effectively sealed and surrounded, and urine is prevented from leaking outwards.

Further, when the water sac is full, the water sac is in a flat spherical shape with a radial dimension larger than an axial dimension. So set up, the water pocket can the at utmost with the contact of bladder inner wall for the patient is more comfortable, also is convenient for simultaneously make the fixed of fistula.

Furthermore, the gel layer, the antibacterial layer, the sealing assembly and the blocking piece are bonded through an adhesive. And proper adhesive is adopted to stick the layers, and the inside of the lining can be sealed by biological gel to prevent urine leakage.

Furthermore, a plurality of second urethral catheters are arranged on the side wall of the front end part of the catheter. So set up for the catheterization is faster, more unobstructed.

Furthermore, a clamping cover is arranged on the other side face of the blocking piece corresponding to each strip-shaped groove. The clamping cover is matched with the strip-shaped clamping groove, and after the catheter is placed into the strip-shaped groove, the clamping cover is closed, so that the catheter can be effectively fixed and cannot be loosened.

For a better understanding and an implementation, the present invention is described in detail below with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic structural view of a bladder stoma tube according to example 1 of the present invention;

fig. 2 is a schematic structural diagram of the fistulization tube in the using process of the embodiment 1 of the invention;

FIG. 3 is an enlarged view of a portion of FIG. 1;

fig. 4 is a schematic structural view of a leakage preventing assembly in embodiment 1 of the present invention;

fig. 5 is a schematic structural diagram of a seal assembly according to embodiment 1 of the present invention.

In the figure: 1. a conduit; 11. an elastic pressure flap; 12. a second urine inlet; 2. a leakage prevention assembly; 21. a gel layer; 22. an antimicrobial layer; 23. a seal assembly; 231. sealing the valve; 24. a baffle plate; 241. a strip-shaped groove; 242. a cover is clamped; 3. a water bladder; 4. extending the hose; 41. a first urine inlet; 5. a urine outlet; 6. a water injection port; 7. the bladder; 8. the abdominal wall.

Detailed Description

Example 1

As shown in fig. 1, fig. 1 is a schematic structural view of a bladder fistula of the present embodiment, the bladder fistula of the present invention includes a conduit 1, a water sac 3, an extension hose 4 and a leakage-proof component 2, a urethral catheterization channel and a water sac channel (not shown in the figure) are arranged in the conduit 1, and a urethral catheterization outlet is arranged at the rear portion of the conduit 1 corresponding to the urethral catheterization channel and a water filling port 6 is arranged corresponding to the water sac channel. The water sac 3 is arranged on the catheter 1 and is communicated with the water sac channel. One end of the extension hose 4 is communicated with the inlet of the urethral catheterization channel, and a plurality of first urine inlets 41 are arranged on the side wall of the other end of the extension hose. The anti-leakage component 2 can freely penetrate through the conduit 1.

An elastic pressure valve 11 is also arranged in the urethral catheterization channel. The elastic pressure valve 11 is arranged at one side of the conduit 1 close to the tail end. The elastic pressure valve is similar to a one-way valve structure, and the setting direction of the elastic pressure valve is the urine outflow direction. The elastic pressure valve is at least composed of two pieces, the internal pressure of the bladder 7 is not higher than 40cmH2O due to the elastic pressure valve 11, the catheter 1 is closed by the elastic pressure valve in a closed state under normal conditions, and when the internal pressure of the bladder 7 reaches a certain degree, urine flows out of the catheter 1. The elastic pressure valve can simulate the contraction and relaxation movement of the bladder 7 to the maximum extent, and ensures that the pressure is 20cmH 2O-30 cmH2O, so that the bladder 7 is in a biological function state.

The pipe diameter of the extension hose 4 is smaller than the inner diameter of the urethral catheterization channel, the extension hose 4 is a superfine hose, the length of the extension hose can be set to be 6-8cm, and the extension hose can reach the bottommost part of the bladder 7. And the hose is made of soft materials, so that the inner wall of the bladder 7 cannot be damaged.

As shown in fig. 4, fig. 4 is a schematic structural diagram of an anti-leakage assembly in embodiment 1 of the present invention. The center of antiseep subassembly 2 has the through-hole, and mobile wearing to establish on pipe 1. The leakage prevention assembly 2 includes: flap 24, antimicrobial adhesive structure and seal assembly 23. Separation blade 24, seal assembly 23 and antibiotic adhesion structure loop through the gluing agent and bond fixedly, also can choose for use other modes fixed, here the utility model discloses do not do the injecing. In this embodiment, the sealing is preferably performed using a gel. The antibiotic adhesive structure is provided at one side of the flap 24 for adhering to the skin. The antibacterial adhesion structure is composed of a gel layer 21 and an antibacterial layer 22, wherein the gel layer 21 is biological glue and can be adhered to the skin of the abdomen, the anti-leakage assembly 2 is fixed, a layer of protective paper can be adhered to the outside of the antibacterial adhesion structure, and the adhesive bonding can be achieved only by uncovering and adhering the protective paper when the antibacterial adhesion structure is used. The antibacterial layer 22 is internally bacteriostatic by adopting a silver ion coating, is attached to the gel layer 21 and is sealed by using gel. The blocking piece 24 is provided with a central through hole, and the blocking piece 24 is movably arranged on the pipe body of the catheter 1 through the central through hole. The sealing component 23, corresponding to the central through hole, is arranged on the baffle sheet 24, and is positioned between the antibacterial adhesion structure and the baffle sheet 24, so that the function of pressing and closing the catheter 1 is achieved, and urine is prevented from flowing out.

Preferably, when the water bag 3 is inflated, the water bag 3 is in the shape of an oblate sphere with a radial dimension larger than an axial dimension. So set up, water pocket 3 can maximum with the contact of bladder 7 inner wall for the patient is more comfortable, also is convenient for the fixed of fistulization pipe simultaneously.

Preferably, the side wall of the front end part of the catheter 1 is provided with a plurality of second urethral catheterization openings 12.

Preferably, in the present embodiment, the sealing assembly 23 is formed by assembling at least two sealing valves 231 in a ring shape. As shown in fig. 5, the sealing valve 231 is made of soft material with good toughness and is assembled in an annular assembly mode, so that catheters 1 with different shapes can be effectively sealed and enclosed, and urine is prevented from leaking outwards.

Preferably, as shown in fig. 3, fig. 3 is a partially enlarged view of a in fig. 1. In order to allow the pipe 1 to be bent, in the present embodiment, at least one strip-shaped groove 241 matching the outer diameter of the pipe 1 is provided on the other side of the baffle plate 24, and the strip-shaped groove 241 extends radially along the central through hole to the edge of the cover plate. And a card cover 242 is provided corresponding to each bar-shaped groove 241. The card cover 242 is disposed at one side of the strip-shaped groove 241, and a card hole is correspondingly disposed at the other side, and the card cover 242 can be buckled in the card hole to cover the strip-shaped groove. The setting of bar recess 241, pipe 1 can be crooked place in bar recess 241, closes card lid 242, can effectual fixed pipe 1, makes it can not become flexible for skin is pressed close to the fistulization pipe, and the person of facilitating the use wears the clothing fixed, reduces the friction with the clothing.

The utility model discloses a bladder 7 fistulization pipe, when the patient uses, as shown in fig. 2, when fistulization pipe inserts suitable position in patient's bladder 7, it fills water to water pocket 3 through water pocket 3 passageway from water filling port 6, it is sufficient to make water pocket 3, gently draw and make the fistula, make water pocket 3 and bladder 7 inner wall laminating, then adjust antiseep subassembly 2 on the pipe 1, make it paste at patient's stomach wall 9 surface, then reveal the protection sticker (not shown in the figure) of gel layer 21, laminate gel layer 21 on the skin, fix the fistula of making from this, then place pipe 1 bending in bar groove 241, the lid closes card lid 242, can. The utility model can effectively solve the defect of the fistulization tube in the prior art, and can lead the urine in the bladder 7 to be completely drained; the problem of urine leakage infection can be effectively prevented; in addition, the unidirectional flow of urine can be realized, so that the pressure of the fistulization tube can be controlled, and the bladder 7 is in a biological function state to ensure that the upper urinary tract is not damaged; the utility model discloses a fistulization pipe can also be crooked, makes things convenient for the patient to use fixedly. The catheter 1 is made of special medical materials, and the flowing condition of liquid cannot be influenced even if the catheter is bent by 90 degrees

Example 2

The arrangement of the leakage-proof member 2 and the catheter 1 used in the bladder ostomy tube of this embodiment is different from that of embodiment 1, and the solution of embodiment 1 is adopted.

The center of the anti-leakage component 2 is provided with a through hole which is movably arranged on the conduit 1 in a penetrating way. The anti-leakage assembly 2 also comprises a baffle 24, an antibacterial adhesion structure and a sealing assembly, wherein the sealing assembly 23 in this embodiment is an elastic sealing ring (not shown in the figure), a through hole is formed in the middle of the elastic sealing ring, and the elastic sealing ring is in interference fit with the outer wall of the conduit 1 through the through hole. The elastic sealing ring has elasticity, and the middle through hole and the catheter 1 can play a role in pressing the catheter 1 closed in an interference fit mode, so that urine can be effectively prevented from seeping outwards.

In order to make the catheter 1 bendable, in this embodiment, the strip-shaped groove 241 is not provided on the baffle plate 24, but a corrugated portion (not shown in the figure) for facilitating bending is provided on the outer wall of the catheter 1. The fold part is similar to the fold on the straw and can be bent and shaped. The arrangement of the fold part is reasonably arranged according to the distance between the human bladder 7 and the surface of the abdominal skin. The fistulization tube is placed in the bladder 7, so that the water sac 3 is full, the fistulization tube is fixed, after the anti-leakage component 2 is attached, the fold part is close to the separation blade 24, or part of the fold part extends into the central through hole of the anti-leakage component 2, and the bending and shaping can also be realized.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. A bladder stoma comprising:

the catheter is internally provided with a urethral catheterization channel and a water sac channel, and the rear part of the catheter is provided with a urethral catheterization outlet corresponding to the urethral catheterization channel and a water filling port corresponding to the water sac channel;

a water bladder disposed on the catheter and in communication with the water bladder channel;

the method is characterized in that: an elastic pressure valve is arranged in the urethral catheterization channel; further comprising:

the pipe diameter of the extension hose is smaller than the inner diameter of the urethral catheterization channel, one end of the extension hose is communicated with the inlet of the urethral catheterization channel, and the side wall of the other end of the extension hose is provided with a plurality of first urine inlets;

a leak-resistant assembly, the leak-resistant assembly comprising: the separation blade is provided with a central through hole, and the separation blade movably penetrates through the pipe body of the catheter through the central through hole; the antibacterial adhesion structure is composed of a gel layer and an antibacterial layer, and is arranged on one side surface of the separation blade and used for adhering skin; and the sealing component is arranged on the baffle corresponding to the central through hole.

2. A bladder fistulation tube as claimed in claim 1 wherein: the another side of separation blade is provided with at least one bar recess that matches with the pipe external diameter, the bar recess is followed central through-hole radially extends to the edge of apron.

3. A bladder fistulation tube as claimed in claim 1 wherein: the outer wall of the conduit is provided with a section of fold part which is convenient to bend.

4. A bladder fistulation tube as claimed in claim 1 wherein: the elastic pressure valve is at least two pieces and ensures that the intravesical pressure is not higher than 40cmH₂O。

5. A bladder fistulation tube as claimed in claim 1 wherein: the sealing assembly is an elastic sealing ring, a through hole is formed in the middle of the elastic sealing ring, and the elastic sealing ring is in interference fit with the outer wall of the guide pipe through the through hole.

6. A bladder fistulation tube as claimed in claim 1 wherein: the sealing assembly is formed by at least two sealing valves in an annular assembly mode.

7. A bladder fistulation tube as claimed in claim 1 wherein: when the water sac is full, the water sac is in the shape of an oblate ball with the radial dimension larger than the axial dimension.

8. A bladder fistulation tube as claimed in claim 1 wherein: the gel layer, the antibacterial layer, the sealing assembly and the blocking piece are bonded through an adhesive.

9. A bladder fistulation tube as claimed in claim 1 wherein: the side wall of the front end part of the catheter is provided with a plurality of second urethral catheterization openings.

10. A bladder fistulation tube as claimed in claim 2, wherein: and a clamping cover is arranged on the other side surface of the blocking piece corresponding to each strip-shaped groove.