CN209770963U - Catheter without external urine bag - Google Patents

Abstract

The utility model provides a need not external drainage bag catheter belongs to medical instrument technical field, including the catheter main part, the one end of catheter is equipped with the drainage hole and is close to the drainage hole and be equipped with the gasbag, and the other end is equipped with: 1. a liquid outlet communicated with the drainage hole and a liquid outlet valve fixed outside the liquid outlet and used for controlling the opening and closing of the liquid outlet; 2. an inflation valve communicated with the air bag and used for inflating the air bag; 3. the wall of the drainage tube is provided with a transparent elastic membrane. The catheter not only has the functions of supporting urethra and draining urine of the prior common catheter, but also has the advantages of no need of an external drainage bag, internal visibility of the catheter, measurement of pressure in the catheter and disinfection of parts and the like. The urine drainage function can be realized by simple switch operation. The drainage bag solves the problem that a patient group who needs to carry the catheter outside a hospital must be matched with the drainage bag, and the drainage bag can not be hidden. Not only is very convenient to use, but also increases the concealment of the catheter.

Description

Catheter without external urine bag

Technical Field

A catheter without an external urine bag, which belongs to the technical field of medical instruments.

Background

The catheter is a pipeline made of natural rubber, silicon rubber or polyvinyl chloride (PVC), can be inserted into the bladder through the urethra to drain urine, after the catheter is inserted into the bladder, an air bag is arranged at the end close to the end of the catheter to fix the catheter to stay in the bladder and not to be easily separated, and the drainage tube is connected with a urine bag to collect urine. The method is mainly suitable for: 1. dysuria caused by various causes; 2. specific procedures, such as: abdominal cavity, urinary tract, and gynecological operations; 3. the urine volume per unit time needs to be recorded, and the medical instrument is a medical instrument commonly used in hospitals. At present, along with the continuous development of medical instruments, the catheter has developed to present two-chamber catheter and three-chamber catheter by a single pipe before, and the front end of two-chamber catheter has the gasbag, can prevent the catheter slippage, and three-chamber catheter is except that the front end has the gasbag, still is equipped with the flushing pipe, can wash bladder and catheter. However, these catheters still suffer from the following problems: in clinical work, as some diseases (such as prostatic hyperplasia dysuria, prostatectomy postoperative urinary incontinence, ureter replantation, various types of urinary incontinence and the like) need to carry the catheter outside a hospital to play a role in draining urine, with the improvement of living standard, many patients need to use the drainage bag after using the catheter, so that the patient has emotional resistance to carrying the catheter outside the hospital, and the compliance is reduced. Some patients may privately pull the catheter out in advance. This inevitably results in situations such as failure to achieve drainage or poor postoperative recovery. This not only causes great pain to the patient, but also brings great trouble to the medical staff. If a catheter could be developed that did not require a drainage bag, where the volume of the portion of the catheter tip outside the urethra was as small as possible, and where the catheter tip could be sealed to provide a non-disturbing appearance to the carrier, patient compliance and treatment quality could be improved.

Disclosure of Invention

The technical problem to be solved by the invention is to provide a catheter without an external drainage bag, which not only has the functions of the prior two-cavity and three-cavity catheters, but also does not need to seal the tail end of the liquid outlet of the catheter by the external drainage bag. The whole appearance of the patient is not imaged, the problem of urine leakage is not easy to occur, the problem of urinary infection is not easy to cause, the worry of carrying the catheter outside the hospital of the patient is reduced, the compliance of the patient is improved, the drainage effect of the catheter outside the hospital is achieved, great convenience is brought to the patient and medical personnel, and the use is very convenient.

In order to solve the technical problems, the invention adopts the technical scheme that: the catheter comprises a catheter body, a catheter end, a catheter hole, a catheter air bag, a transparent elastic membrane, an air bag pipe, an air bag inflating nozzle, a combined liquid outlet valve, a liquid outlet valve nut, a disinfection sponge, a catheter channel and an air bag inflating channel. The method is characterized in that: the total length of the catheter body is shorter, and the catheter body has different models and thicknesses with the same length. Different patients can select a proper catheter model according to self conditions, so that the catheter has proper thickness and slightly longer length than the urethra, and the length of the catheter exposed out of the urethral orifice at the tail end of the liquid outlet is as short as possible after the catheter is inserted (the length increased after the penis erection needs to be considered by men).

As an improvement of the technical scheme, a combined liquid outlet valve is fixed at the tail end of the liquid outlet of the catheter. The inner diameter of the combined liquid outlet valve is matched with the outer diameter of the catheter body, and the liquid outlet valve component II is fixed with the liquid outlet of the catheter body. When the liquid outlet valve is closed, the urethral catheter body can be pressed to close the liquid outlet of the urethral catheter; when the liquid outlet valve is opened, the catheter body can be loosened to open the liquid outlet of the catheter.

As an improvement of the technical scheme, the liquid outlet valve is a three-piece combination. The liquid outlet valve comprises a first liquid outlet valve component, a second liquid outlet valve component and a liquid outlet valve nut, wherein the first component and the second component can rotate around a rotating shaft point. When the liquid outlet valve is closed, the pipe wall of the first component and the pipe wall of the second liquid outlet valve component surround to form a cylindrical pipeline, and the valve baffle is vertical to the pipeline, so that the urethral catheterization pipe body is pressed, and the urine is blocked.

As an improvement scheme of the technical scheme, the liquid outlet valve is a three-piece combination, when the liquid outlet valve is closed, a pipe wall of the first component and the second component surround to form a cylindrical pipeline, the outer side wall of the pipeline is provided with threads which are matched with the threads on the inner side wall of a nut of the liquid outlet valve, and the threads are screwed to form a seal, so that the end tightness of the catheter is firmer.

As an improvement of the technical scheme, the liquid outlet valve is a three-piece combination, when the liquid outlet valve is opened, one pipe wall of the assembly and the catheter body form a vertical angle integrally, so that a patient can conveniently hold the liquid outlet valve during urination and the urination direction can be controlled.

As an improvement of the technical scheme, the bottom of the liquid outlet valve nut contains a disinfection sponge, and when the liquid outlet valve is closed, the disinfection sponge can be in close contact with the liquid outlet valve and the liquid outlet of the catheter body, so that the disinfection effect on the outer tail end of the catheter body is achieved.

As the improvement scheme of the technical scheme, the upper side of the catheter close to the liquid outlet of the catheter body is provided with a round transparent elastic membrane which is a liquid and pressure display window in the catheter. From there, the basic shape and pressure of the urine in the catheter and bladder can be viewed, so that the filling of the bladder can be roughly understood. Can prompt the patient to open the liquid outlet valve and discharge the urine, thereby preventing the overabundance of the bladder.

As an improvement scheme of the technical scheme, the lower side of the catheter, which is close to a liquid outlet of the catheter body, is provided with an air bag tube which is communicated with the air bag and used for inflating the air bag and an inflation valve, and the inflation valve is fixed on the outer side wall of the catheter body and is not easy to cause uncomfortable wearing of a patient.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic cross-sectional view of fig. 1 in a sagittal plane.

Fig. 3 is a schematic cross-sectional view of a catheter body.

Fig. 4 is a schematic structural diagram of the liquid outlet valve in a closed state.

Fig. 5 is a schematic structural view of the liquid outlet valve in an open state.

Fig. 6 is a side view and a bottom view of a first liquid outlet valve assembly.

Fig. 7 is a side view and a bottom view of the second liquid outlet valve assembly.

Detailed Description

Referring to fig. 1 and 2, a catheter without external urine bag comprises a catheter body 4, wherein one end of the catheter is provided with a drainage hole 2, an air bag 3 is arranged close to the drainage hole, the other end of the catheter is provided with an inflation valve 7 for inflating the air bag 3, and a liquid outlet valve 8 communicated with the drainage hole 2. The liquid outlet valve 8 is a three-piece combination, and the opening and closing and the speed of the drainage can be adjusted and controlled through the liquid outlet valve 8. Catheter body 4 is formed by the silica gel material preparation that the internal surface and surface coating have the nanometer silver coating, and the material is soft, has advantages such as elasticity is good, the bacterinertness is good. This catheter body 4 and gasbag 3 are integrated into one piece structure, and 3 shapes of gasbag are for around catheter body 4 oblate as the center, can hug closely the bladder neck after gasbag 3 is full, have to have little, fixed firm, effect such as leak protection urine in the bactericidal action bladder with bacterium, fungi etc. of contact department in patient's urethra, the bladder.

When the novel urine catheter is used, one end of the catheter with the drainage hole 2 is inserted into the bladder of a patient, the air bag 3 which is oblate and is centered around the catheter body 4 is inflated through the inflation valve 7, the air bag 3 is made to expand, the air bag 3 can be tightly attached to the neck of the bladder after being inflated, the space occupied by the air bag 3 in the bladder is small, the fixing is firm, and the urine leakage prevention effect is good.

Preferably, a liquid outlet valve 8 is arranged at the liquid outlet, a screw cap 9 containing disinfection sponge 9.1 is matched with the liquid outlet valve 8, threads are arranged on the outer side wall of the valve 8 and the inner side wall of the screw cap, and the end of the catheter is more firmly sealed and has a disinfection effect due to the sealing formed after screwing.

When the urine is discharged, the nut 9 of the liquid outlet valve 8 of the catheter is unscrewed, and the valve component I8.1 is rotated to be perpendicular to the catheter body 4, so that the catheter can be opened to discharge the urine.

And after the urination is finished, rotating the first liquid outlet valve assembly 8.1, pressing the liquid outlet valve baffle 8.1.3 on the catheter body 4, closing the catheter, and screwing the valve nut 9 to seal the catheter. Also can make the disinfection sponge 9.1 inside the screw cap 9 closely contact with the liquid outlet valve 8 and the liquid outlet of the catheter body 4, thereby playing the role of disinfecting the tail end of the catheter body 4.

Preferably, a circular transparent elastic membrane 5 is arranged on the upper side of the liquid outlet and is a liquid and pressure display window in the ureter. When the catheter liquid outlet valve 8 is closed, the basic properties and pressure of urine in the catheter and the bladder can be checked from the position, so that the filling condition of the bladder can be roughly known. Can prompt the patient to open the liquid outlet valve 8 and discharge the urine, thereby preventing the bladder from being over-filled.

The catheter body 4 of this embodiment is short in length, and has different models respectively, and the same length also can be divided into different thicknesses. Different patients can select a proper catheter model according to self conditions, so that the catheter has proper thickness and slightly longer length than the urethra, and the length of the catheter exposed out of the urethral orifice at the tail end of the liquid outlet is as short as possible after the catheter is inserted (the length increased after the penis erection needs to be considered by men).

The above-mentioned specific implementation is the preferred embodiment of the present invention, can not be right the utility model discloses the limit, any other does not deviate from the technical scheme of the utility model and the change or other equivalent replacement modes of doing all contain within the scope of protection of the utility model.

Claims (6)

1. A urinary catheter without an external urinary bag, comprising: catheter end (1), drainage hole (2), catheter gasbag (3), catheter body (4), transparent elastic membrane (5), gasbag pipe (6), gasbag inflation valve (7), combination formula liquid valve (8), outlet valve subassembly (8.1), subassembly pivot point (8.1.1), subassembly one pipe wall (8.1.2), valve baffle (8.1.3), outlet valve subassembly two (8.2), outlet valve nut (9), disinfection sponge (9.1), catheterization passageway (10), gasbag inflation channel (11), its characterized in that: the one end of body (4) is the catheter liquid outlet, combination formula liquid outlet valve (8) are including liquid outlet valve subassembly one (8.1), liquid outlet valve subassembly two (8.2), liquid outlet valve nut (9), liquid outlet valve subassembly two (8.2) are connected and are fixed at its tip with body (4), liquid outlet valve subassembly one (8.1) forms hinge connection through subassembly pivot point (8.1.1) and liquid outlet valve subassembly two (8.2) to can be rotatory around the pivot point.

2. A catheter according to claim 1 without an external urinary bag, wherein: the liquid outlet valve (8) comprises a first liquid outlet valve component (8.1) and a second liquid outlet valve component (8.2), the two components can rotate around a rotating shaft point (8.1.1), when the liquid outlet valve (8) is closed, a first pipe wall (8.1.2) of the components and the second liquid outlet valve component (8.2) surround to form a cylindrical pipeline, and at the moment, a valve baffle (8.1.3) is vertical to the pipeline, so that the urethral catheter is pressed.

3. A catheter according to claim 1 or 2 without an external urinary bag, wherein: the tail end of the liquid outlet of the catheter body (4) is attached with a combined liquid outlet valve (8), the inner diameter of the combined liquid outlet valve is matched with the outer diameter of the catheter body (4), a second liquid outlet valve component (8.2) is fixed with the liquid outlet of the catheter body (4), and the liquid outlet valve (8) can be closed to press the catheter body (4) to close the liquid outlet of the catheter; the liquid outlet valve (8) can be opened to release the catheter body (4) so as to open the liquid outlet of the catheter.

4. A catheter according to claim 1 or 2 without an external urinary bag, wherein: when the liquid outlet valve (8) is closed, a pipe wall (8.1.2) of the first assembly and a liquid outlet valve assembly (8.2) surround to form a cylindrical pipeline, the outer side wall of the pipeline is provided with threads which are matched with the threads on the inner side wall of a liquid outlet valve nut (9), and the threads are screwed to form a seal.

5. A catheter according to claim 1 without an external urinary bag, wherein: the bottom in the liquid outlet valve screw cap (9) contains a disinfection sponge (9.1), and when the liquid outlet valve is closed and is screwed with the screw cap (9), the disinfection sponge (9.1) can be in close contact with the liquid outlet valve (8) and the liquid outlet of the urethral catheter body (4).

6. A catheter according to claim 1 without an external urinary bag, wherein: a round transparent elastic film (5) is arranged on the upper side of the liquid outlet close to the catheter body (4) and is a display window for the liquid inside the catheter and the pressure.