CN221206477U - Urinary catheter - Google Patents

Abstract

The utility model relates to the technical field of catheters, in particular to a leakage-proof urine catheter which comprises a catheter body, a fixing component and a leakage-proof component, wherein the catheter body is provided with a first urine guiding hole and a liquid outlet, the fixing component is arranged on the outer wall of the catheter body and is provided with a first injection opening, a flow channel and a fixing bag which are sequentially connected, the first injection opening is arranged at one end of the catheter body, which is close to the liquid outlet, the flow channel is arranged along the length direction of the catheter body, the fixing bag is arranged between the first urine guiding hole and the liquid outlet, the leakage-proof component is arranged on the fixing bag and is provided with a second injection opening and a catheter body bag which are sequentially connected, and the catheter body bag is arranged on the outer wall of the flow channel and is arranged along the flow channel. According to the catheter, the gap between the catheter and smooth muscle of urethra is reduced through the inflated catheter body bag, so that urine is prevented from flowing out along the catheter, and the condition of urine leakage is avoided.

Description

Urinary catheter

Technical Field

The utility model relates to the technical field of catheters, in particular to a leakage-proof urine catheter.

Background

The catheter is a pipeline which is inserted into the urinary bladder from the urethra so as to drain urine, in the traditional technology, the diameter of the pipe body of the catheter is fixed, after the catheter is inserted into the urinary bladder through the urethra, the catheter is left in the urinary bladder after medium is filled into the air bag at the end of the urinary catheter head, and then the urine in the urinary bladder is drained by the catheter, however, when the pipe body of the catheter is too large, the catheter is difficult to be inserted into the urinary bladder, even if the catheter is inserted into the urinary bladder through the urethra, the gap between the urinary bladder and the main pipe body of the catheter is smaller under the action of smooth muscle of the urinary canal, but the smooth muscle of the urinary canal is more relaxed for old people, coma, paraplegia or diabetes patients and the like, the gap between the pipe body of the catheter and the urinary canal is larger, and urine in the urinary bladder easily flows out along the pipe body of the catheter, so that the condition of urine leakage occurs.

Disclosure of utility model

Based on the above, it is necessary to provide a urine leakage-proof catheter for the problem that urine in the bladder easily flows out along the catheter body of the catheter and leaks because the gap between the catheter body and the urethra is large.

A urinary catheter, comprising: the pipe body, fixed subassembly and leak protection subassembly, the pipe body is equipped with first catheterization hole and liquid outlet, fixed subassembly installs on the outer wall of pipe body, and be provided with first filling opening, runner and the fixed bag that connects gradually, first filling opening sets up in the one end that the pipe body is close to the liquid outlet, the runner sets up along pipe body length direction, the fixed bag sets up between first catheterization hole and liquid outlet, leak protection subassembly installs on the fixed bag, and be provided with second filling opening and pipe body bag of connecting gradually, the pipe body bag sets up on the outer wall of runner, and set up along the runner.

In one embodiment, the leak-proof assembly further comprises a leak-proof bladder coupled to the tubular body bladder, the leak-proof bladder being spaced apart from the fixed bladder.

In one embodiment, the leak-proof bladder is a circular or oval arrangement.

In one embodiment, a liquid medium is disposed within the body bladder.

In one embodiment, the material of the tube body bag is one of silica gel and rubber.

In one embodiment, the stationary assembly further comprises a first hydraulic valve coupled to the first injection port.

In one embodiment, the leak-proof assembly further includes a second hydraulic valve coupled to the second injection port.

In one embodiment, a guiding surface is arranged at one end of the pipe body away from the liquid outlet, and the guiding surface gradually contracts in a direction away from the liquid outlet.

In one embodiment, the first catheterization hole is provided on a sidewall of the tube body.

According to the catheter, when the catheter body is inserted into the bladder through the urethra and the fixed bag is controlled to be positioned in the bladder, saline or gas is injected into the first injection port, so that the saline or gas is inflated through the runner to keep part of the catheter body in the bladder, then, saline or gas is injected into the second injection port, and the catheter body bag arranged along the runner is filled with saline or gas to inflate the catheter body bag, so that the catheter body bag is attached to smooth muscle of the urethra, and the catheter has the beneficial effects that: the gap between the catheter and the smooth muscle of the urethra is reduced through the inflated catheter body bag, so that urine is prevented from flowing out along the catheter, and the condition of urine leakage is avoided.

Drawings

FIG. 1 is a schematic view of a catheter according to the present utility model;

FIG. 2 is a schematic cross-sectional view of the urinary catheter of FIG. 1;

fig. 3 is an enlarged schematic view of a portion a of the urinary catheter shown in fig. 2.

The meaning of the reference numerals in the drawings are:

100. A urinary catheter;

10. A tube body; 11. a first catheterization hole; 12. a liquid outlet; 14. a guide surface;

20. A fixing assembly; 21. a first injection port; 22. a flow passage; 23. a stationary bladder; 24. a first hydraulic injection valve;

30. A leak-proof assembly; 31. a second injection port; 32. a tube body bag; 33. a leak-proof bag; 34. and a second hydraulic injection valve.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, connectable, or integral; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

As shown in fig. 1 and 2, which are the urinary catheter 100 according to the present utility model, the urinary catheter 100 includes: the pipe body 10, fixed subassembly 20 and leak protection subassembly 30, the pipe body 10 is equipped with first catheterization hole 11 and liquid outlet 12, fixed subassembly 20 installs on the outer wall of pipe body 10, and be provided with first filling opening 21 that connects gradually, runner 22 and fixed bag 23, first filling opening 21 sets up in the one end that pipe body 10 is close to liquid outlet 12, runner 22 sets up along pipe body 10 length direction, fixed bag 23 sets up between first catheterization hole 11 and liquid outlet 12, leak protection subassembly 30 installs on fixed bag 23, and be provided with second filling opening 31 and pipe body bag 32 of connecting gradually, pipe body bag 32 sets up on the outer wall of runner 22, and set up along runner 22.

Further, as shown in fig. 1, the leakage prevention module 30 further includes a leakage prevention bladder 33 connected to the tube body bladder 32, the leakage prevention bladder 33 being spaced apart from the fixed bladder 23. Since the bladder wall near the inner orifice of the urethra is in a funnel shape, the contact area between the fixed bag 23 and the funnel-shaped bladder wall is small after the fixed bag 23 is inflated, urine easily flows to the tubular body bag 32 along the gap between the fixed bag 23 and the bladder wall, and the contact area between the bladder wall and the leak-proof bag 33 can be effectively supplemented by filling the leak-proof bag 33, so that the urine is prevented from flowing to the tubular body bag 32, and the phenomenon of urine leakage is effectively avoided. Still further, the leakage preventing bladder 33 is provided in a circular or oval shape.

In some embodiments, the tube body bag 32 is internally provided with a liquid medium, wherein the liquid medium is physiological saline, and the tube body bag 32 after water injection is softer, so that the extrusion of the tube body bag 32 to the smooth muscle of the urethra can be effectively reduced, and the tube body bag can be better attached to the smooth muscle of the urethra, thereby reducing the uncomfortable feeling of a patient.

Further, the body bag 32 is made of one of silica gel and rubber.

In some embodiments, the securing assembly 20 further includes a first hydraulic valve 24, the first hydraulic valve 24 being coupled to the first injection port 21, and the leak-proof assembly 30 further includes a second hydraulic valve 34, the second hydraulic valve 34 being coupled to the second injection port 31. By the first hydraulic injection valve 24 and the second hydraulic injection valve 34, not only is the injection of the medium facilitated, but also the outflow of the medium filled in the fixed bag 23, the pipe body bag 32, and the leakage preventing bag 33 can be avoided.

In some embodiments, the end of the tube body 10 away from the liquid outlet 12 is provided with a guiding surface 14, the guiding surface 14 gradually contracts towards the direction away from the liquid outlet 12, and the first urine guiding hole 11 is arranged on the side wall of the tube body 10.

In the catheter 100 of the present utility model, when the catheter body 10 is inserted into the bladder through the urethra and the fixing bladder 23 is controlled to be positioned in the bladder, saline or gas is injected into the second injection port 31, the saline or gas is caused to bulge the fixing bladder 23 through the flow passage 22, so that a part of the catheter body 10 is left in the bladder, then physiological saline is injected into the first injection port 21, the catheter body bladder 32 and the leakage preventing bladder 33 positioned in the bladder are filled with the physiological saline, so that the catheter body bladder 32 and the leakage preventing bladder 33 bulge, the smooth muscle of the catheter body bladder 32 is attached to the smooth muscle of the urethra, the leakage preventing bladder 33 contacts the bladder wall, and the gap between the catheter 100 and the smooth muscle of the urethra is reduced by the bulged catheter body bladder 32, so that urine is prevented from flowing out along the catheter 100, and urine leakage is prevented.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (9)

1. A urinary catheter, comprising: the catheter body, fixed subassembly and leak protection subassembly, the catheter body is equipped with first catheterization hole and liquid outlet, fixed subassembly installs on the outer wall of catheter body to be provided with first filling port, runner and the fixed bag that connects gradually, first filling port set up in the catheter body is close to the one end of liquid outlet, the runner is followed catheter body length direction sets up, the fixed bag set up in first catheterization hole with between the liquid outlet, leak protection subassembly installs on fixed bag, and is provided with and connects gradually second filling port and pipe shaft bag, the pipe shaft bag set up in on the outer wall of runner, and follow the runner sets up.

2. The urinary catheter of claim 1, wherein the leak-proof assembly further comprises a leak-proof bladder coupled to the shaft bladder, the leak-proof bladder being spaced apart from the fixed bladder.

3. The urinary catheter of claim 2, wherein the leakage preventing pouch is circular or oval in configuration.

4. The urinary catheter of claim 1, wherein a liquid medium is disposed within the shaft balloon.

5. The urinary catheter of claim 1, wherein the body bladder is one of silicone and rubber.

6. The urinary catheter of claim 1, wherein the fixation assembly further comprises a first hydraulic injection valve, the first hydraulic injection valve being coupled to the first injection port.

7. The urinary catheter of claim 1, wherein the leak-proof assembly further comprises a second hydraulic injection valve, the second hydraulic injection valve being coupled to the second injection port.

8. The urinary catheter of claim 1, wherein the end of the body distal from the outlet is provided with a guiding surface which tapers away from the outlet.

9. The urinary catheter of claim 1, wherein the first urine guiding aperture is provided in a side wall of the tube body.