CN215537696U - Catheter with adjustable drainage port size - Google Patents

Abstract

The utility model relates to a catheter capable of adjusting the size of a drainage port, which comprises a drainage tube, a drainage cap and a control guide wire; the drainage tube is provided with an expansion air bag, an inflation tube and a drainage port; the drainage cap is detachably connected with the top of the drainage tube, and the control guide wire is connected with the drainage cap; the bottom of the side edge of the drainage cap is provided with a second connecting part which is two or four unequal convex column structures, correspondingly, the drainage tube is provided with a first connecting part which is a cylindrical groove matched with the convex column structures, and the center of the drainage cap is provided with a control guide wire which can be pulled out of the drainage cap along the drainage tube; the adjustable drainage port has the advantages that the blockage can be timely led out when the catheter is blocked, the diameter of the catheter does not need to be changed, the operation is simple, and the size of the drainage port can be flexibly adjusted.

Description

Catheter with adjustable drainage port size

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a catheter with an adjustable drainage opening.

Background

The catheter is a pipeline made of natural rubber, silicon rubber or polyvinyl chloride, can be inserted into the bladder through the urethra to drain urine or blood clots, and is connected with a urine bag through a drainage tube to collect the urine or blood clots after being inserted into the bladder.

The front end of the prior common catheter is circular, two side holes are arranged beside the catheter for draining urine, but for some larger blood clots, stones or human tissue fragments are difficult to pass through, so that the catheter which is larger and thicker is often required to be replaced on one side, the cost of a patient is increased invisibly, and the pain of the patient is aggravated; especially for some patients with urethral stricture, the catheter cannot be placed in the placing process, and finally needs to enter an operating room to place the catheter and remove the blockage. Or patients without other diseases, and when blood clots are large and other foreign bodies are blocked, the patients need to take the blood clots out by the method of empty needle suction manually, and the pain of the patients reaches a high value in the process.

The Chinese patent application: CN212914173U discloses a nested anti-clogging catheter, which comprises an outer catheter, an inner catheter, an outer balloon, an inner balloon, a first air pump and a second air pump, wherein the outer catheter is sleeved outside the inner catheter, the head and the tail of the inner catheter both extend out of the outer catheter, the outer balloon is sleeved on the outer side wall of the head end of the outer catheter, the inner balloon is sleeved on the outer side wall of the head of the inner catheter, the first air pump is connected with the outer balloon, and the second air pump is connected with the inner balloon; the tail end of the outer catheter is provided with an internal thread section, the tail end of the inner catheter is provided with an external thread section, and the internal thread section is in threaded connection with the external thread section. The technical scheme that this patent application provided utilizes the activity of its inside and outside catheter to cup joint, and when blockking up, the interior catheter in the outer catheter of pull makes the catheter recanalization, but its mediation mode addresses the symptoms and does not address the root cause, and it arouses the root cause of jam, such as clot etc. and not discharged, and the cup joint of inside and outside catheter, has increaseed the external diameter of catheter equally, has aggravated patient's misery.

The Chinese patent application: CN211301690U discloses prevent blockking up catheter, including outlet conduit, the outlet conduit lower extreme is equipped with the inflation gasbag, the outlet conduit lower extreme is equipped with the outflow groove, and the outflow groove upper end communicates with out the water cavity, the outlet conduit upper end is equipped with the filling pipe way, is equipped with the perfusion lumen in the outlet conduit inner wall, and perfusion lumen upper end communicates with the filling pipe way, and perfusion lumen lower extreme communicates with the external world, the outlet conduit lower extreme is equipped with the backup pad, and the backup pad upper end is connected with the inflation gasbag, and the backup pad lower extreme is articulated with the outlet conduit lower extreme. The design of the outflow groove increases the multi-surface drainage effect of the catheter, increases the drainage direction and the drainage surface, and reduces the blocking condition caused by the fact that a certain surface is not communicated. If the catheter is blocked, the inflatable air bag can be repeatedly inflated or deflated, the supporting plate is continuously expanded and contracted, the blocking object is broken through in a mechanical extrusion mode, and the outflow groove is opened; but it is essential to ensure that the drainage is unobstructed by the continuous agitation in the vicinity of the outflow opening, and there is no way to direct the obstruction out.

In summary, there is a need for a catheter capable of guiding out the blockage in time when the catheter is blocked, without changing the diameter of the catheter, with simple operation and flexible use, and capable of adjusting the size of the drainage opening.

Disclosure of Invention

The utility model aims to provide a catheter which can lead out a blockage in time when the catheter is blocked, does not need to change the diameter of the catheter, is simple to operate and flexible to use and can adjust the size of a drainage port.

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

a catheter capable of adjusting the size of a drainage port comprises a drainage tube, a drainage cap and a control guide wire; the drainage tube is provided with a drainage port; the drainage cap is detachably connected with the top of the drainage tube, and the control guide wire is connected with the drainage cap.

As a preferable technical scheme, the drainage tube is also provided with an expansion air bag, an inflation tube and a perfusion channel.

As a preferred technical scheme, the side wall of the drainage tube is provided with a first connecting part and a second connecting part which is correspondingly arranged, and the drainage cap is provided with a second connecting part which is matched with the first connecting part.

As a preferred technical scheme, the first connecting portion is a cylindrical groove, and the second connecting portion is a convex column structure; the cylindrical groove and convex column structure is provided with 2-4 groups.

As a preferable technical scheme, the control guide wire is connected with the center of the drainage cap.

As a preferable technical scheme, the side wall of the drainage tube is provided with an ejection channel 15 communicated with the cylindrical groove, and an ejection guide wire movably connected is arranged in the ejection channel 15.

As an optimal technical scheme, first connecting portion are lift seal wire passageway, second connecting portion are lift seal wire spread groove, lift seal wire passageway wherein is equipped with swing joint's lift seal wire, the lift seal wire with the connection can be dismantled to lift seal wire spread groove, and wherein, can dismantle the connected mode and be threaded connection.

As a preferable technical scheme, one part of the drainage opening is arranged on the drainage cap, and the other part of the drainage opening is arranged on the drainage tube.

As a preferable technical scheme, the drainage port is provided with a blockage sensing device.

As a preferred technical scheme, the blockage sensing device comprises an infrared transmitting device arranged at the upper end of the drainage opening, an infrared receiving device arranged at the lower end of the drainage opening, a lead, a power supply system, a central processing system and an alarm system.

The utility model has the advantages that:

1. the catheter capable of adjusting the size of the drainage opening comprises a drainage tube, a drainage cap and a control guide wire, wherein the control guide wire is communicated with the drainage cap, the drainage cap can be led out of the drainage tube, the size of the drainage opening is enlarged, and blockage can be effectively dredged.

2. The drainage tube is provided with the ejection channel 15, and the ejection guide wire in the ejection channel 15 can eject the drainage cap upwards, so that the process requirement on the control guide wire can be reduced, and the drainage cap and the drainage tube can be conveniently separated.

3. According to the drainage device, the first connecting part is a lifting guide wire channel, the second connecting part is a lifting guide wire connecting groove, a lifting guide wire which is movably connected is arranged in the lifting guide wire channel, the lifting guide wire is detachably connected with the lifting guide wire connecting groove, when the blockage situation occurs, the lifting guide wire can be pushed upwards, a new drainage hole is formed between the drainage cap and the drainage tube, when the blockage situation disappears, the lifting guide wire is reset, the drainage cap and the drainage tube are matched again, and the drainage device is flexible to use.

Drawings

FIG. 1 is a schematic view of a catheter of the present invention with adjustable stoma size.

FIG. 2 is a schematic view of the drainage cap of the catheter with the size of the drainage port adjustable.

FIG. 3 is a schematic cross-sectional view of a catheter with adjustable size of drainage openings according to the present invention.

Fig. 4 is a schematic view of part a of fig. 3.

Fig. 5 is a schematic view of part B of fig. 3.

Fig. 6 is a cross-sectional view of another alternative adjustable vent size catheter of the present invention.

Fig. 7 is a schematic view of a portion C of fig. 6.

FIG. 8 is a schematic position view of an infrared ray emitting and receiving device of the catheter with adjustable drainage port size.

FIG. 9 is a schematic view of a block sensor module of a catheter with adjustable size of drainage port according to the present invention.

Detailed Description

The utility model will be further illustrated with reference to specific embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications can be made by those skilled in the art after reading the disclosure of the present invention, and equivalents fall within the scope of the appended claims.

The reference numerals and components referred to in the drawings are as follows:

1. drainage tube 2, drainage cap 3, control seal wire

11. An expansion air bag 12, an inflation tube 13 and a drainage port

14. First connecting part 15, ejection channel 16, ejection guide wire

21. Second connecting part 141, lifting guide wire 131 and infrared emitting device

132. Infrared receiver

Example 1

Please refer to fig. 1 and fig. 2; FIG. 1 is a schematic view of a catheter with an adjustable size of a drainage port, and FIG. 2 is a schematic view of a drainage cap of the catheter with the adjustable size of the drainage port. A catheter capable of adjusting the size of a drainage port comprises a drainage tube 1, a drainage cap 2 and a control guide wire 3; the drainage tube 1 is provided with an expansion air bag 11, an inflation tube 12 and a drainage port 13; the drainage cap 2 is detachably connected with the top of the drainage tube 1, and the control guide wire 3 is connected with the drainage cap 2.

Please refer to fig. 3, fig. 4, and fig. 5; FIG. 3 is a schematic cross-sectional view of a catheter of the present invention with adjustable size of the drainage port, FIG. 4 is a schematic view of portion A of FIG. 3, and FIG. 5 is a schematic view of portion B of FIG. 3; wherein the control guidewire is not shown in figures 3, 4, 5. The drainage tube 1 is of a hollow cavity structure, two drainage ports 13 which are oppositely arranged are formed in the upper end of the drainage tube, and the drainage ports 13 are of a through hole structure; one side of a drainage opening 13 of the drainage tube 1 is connected with the drainage cap 2, the drainage cap 2 is of a dome structure, the bottom of the side edge of the drainage tube is provided with a second connecting part 21, the second connecting part 21 is of two or four unequal convex column structures, correspondingly, the drainage tube 1 is provided with a first connecting part 14 which is a cylindrical groove matched with the convex column structures, the two parts are detachably connected, the center of the drainage cap 2 is provided with a control guide wire 3, the other end of the control guide wire 3 is a free end and is longer than the drainage tube 1, the operation is convenient through the control guide wire 3, in some preferred embodiments, the side wall of the drainage tube 1 is also provided with an ejection channel 15 communicated with the cylindrical groove, the ejection channel 15 is internally provided with an ejection guide wire 16, one end of the ejection guide wire 16 is contacted with the convex column structures, and the other end of the ejection guide wire 16 is exposed outside the drainage tube 1, in order to operate it;

the other end of the drainage tube 1 is connected with a catheter or a drainage bag directly, an expansion air bag 11 is arranged below a drainage opening 13, an inflation tube 12 communicated with the expansion air bag 11 is arranged on the side wall of the drainage tube, and the other end of the inflation tube 12 is positioned outside the drainage tube 1 and can be connected with an inflation device or a liquid filling device; preferably, in some embodiments, the drainage tube 1 is further provided with a perfusion channel on a side wall thereof for injecting liquid such as medical liquid into the bladder through the perfusion channel; the inflation tube 12 and the end of the perfusion channel can be provided with a sealing plug for sealing the opening.

The use mode of the utility model is as follows: the catheter with the size of the drainage port adjustable is placed into the bladder of a patient, the inflatable air bag 11 is kept full through the inflatable tube 12, and the catheter is clamped in the bladder; when the catheter is blocked, blood clots and the like which are difficult to discharge are coagulated in the bladder of a patient and need to be discharged, in the utility model, the connection between the drainage tube 1 and an external collection catheter or a drainage device can be disconnected, the control guide wire 3 is operated, the drainage cap 2 is ejected out, even if the first connecting part 14 is separated from the second connecting part 21, the drainage cap 2 is directly pulled out from the inner cavity of the drainage tube 1 and then connected with the external drainage device, and the drainage port 13 is expanded, so that the blocking objects can be smoothly led out; in some embodiments, the pass may be direct.

It should be noted that: the catheter capable of adjusting the size of the drainage port comprises a drainage tube 1, a drainage cap 2 and a control guide wire 3, wherein the control guide wire 3 is communicated with the drainage cap 2, so that the drainage cap 2 can be led out of the drainage tube 1, the size of the drainage port 13 is enlarged, and blockage can be effectively dredged; the drainage cap 2 is convenient for safe placement of the catheter, the initial state of the drainage cap is consistent with the structure of the original catheter, and the drainage cap 2 is opened only when the drainage is obstructed because whether complex clots or gravels and other obstructions exist in the body of a patient is unclear, obviously, for a common patient, the drainage cap is still equivalent to a common catheter, and only when the patient has special requirements, the drainage function of the catheter is adaptively changed; the drainage tube 1 is also provided with an expansion air bag 11, an inflation tube 12 and a perfusion channel, and the device has the same functions as the prior art; the drainage tube 1 is provided with a first connecting portion 14 on the side wall thereof, and the drainage cap 2 is provided with a second connecting portion 21 adapted to the first connecting portion 14 thereon, so as to stably connect the drainage tube 1 and the drainage cap 2 in an initial state.

Example 2

Please refer to fig. 6 and fig. 7; FIG. 6 is a schematic cross-sectional view of another alternative adjustable vent size catheter of the present invention, and FIG. 7 is a schematic view of section C of FIG. 6; wherein the control guidewire is not shown in figures 6 and 7. The embodiment is substantially the same as embodiment 1, except that the first connecting portion 14 is a lifting guide wire channel, the second connecting portion 21 is a lifting guide wire connecting groove, a movably connected lifting guide wire 141 is arranged in the lifting guide wire channel, and the lifting guide wire 141 is detachably connected with the lifting guide wire connecting groove, wherein the detachable connection mode is a threaded connection, that is, an external thread is arranged at one end of the lifting guide wire 141, and the lifting guide wire connecting groove is an internal thread matched with the lifting guide wire connecting groove; when the drainage device is used, the drainage cap 2 is normally connected with the drainage tube 1 through the lifting guide wire 141, when the blockage occurs, the lifting guide wire 141 can be pushed upwards, a new drainage hole is formed between the drainage cap 2 and the drainage tube 1, when the blockage disappears, the lifting guide wire 141 is reset, the drainage cap 2 is matched with the drainage tube 1 again, normal drainage is carried out through the original drainage port 13, when the blockage frequently occurs, the lifting guide wire 141 is respectively rotated to reduce the operation frequency, the drainage cap 2 is separated from the lifting guide wire 141, and the drainage cap 2 is pulled out through the control guide wire 3. It should be understood that in this embodiment, the separation of the drainage cap 2 from the drainage tube 1 can be maintained at all times, which is also equivalent to the removal of the drainage cap 2, so that, in some preferred embodiments, the design of the control wire 3 can be eliminated, and similarly, the presence of the control wire 3 does not affect the drainage performance of the drainage tube 1.

Example 3

Please refer to fig. 8 and fig. 9; FIG. 8 is a schematic diagram of the position of an infrared emitting and receiving device of a catheter with adjustable size of a drainage port, and FIG. 9 is a schematic diagram of a block sensing device module of the catheter with adjustable size of the drainage port; wherein the control guidewire is not shown in figure 8. This embodiment is substantially the same as embodiment 1, except that the drainage port 13 is provided thereon with an occlusion sensing means comprising: the drainage tube comprises an infrared emitting device 131 arranged at the upper end of the drainage port 13, an infrared receiving device 132 arranged at the lower end of the drainage port 13, a wire, a power supply system, a central processing system and an alarm system, wherein correspondingly, the wire is arranged in the side wall of the drainage tube 1 and is communicated with an external alarm device, the external alarm device can be an independent system or a structure attached to the surface of the drainage tube 1, one part of the drainage port 13 can be arranged on the drainage cap 2, the other part of the drainage port is arranged on the drainage tube 1, and correspondingly, the wire is arranged in a lifting guide wire 141, so that the blockage sensing device can be electrically connected.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and additions can be made without departing from the principle of the present invention, and these should also be considered as the protection scope of the present invention.

Claims (10)

1. A catheter capable of adjusting the size of a drainage port is characterized by comprising a drainage tube, a drainage cap and a control guide wire; the drainage tube is provided with a drainage port; the drainage cap is detachably connected with the top of the drainage tube, and the control guide wire is connected with the drainage cap.

2. The urinary catheter capable of adjusting the size of the drainage opening according to claim 1, wherein the drainage tube is further provided with an inflatable air bag, an inflation tube and an irrigation channel.

3. The urinary catheter with the size of the drainage opening as claimed in claim 1, wherein the drainage tube is provided with a first connecting portion on the side wall thereof, and a second connecting portion corresponding to the first connecting portion on the side wall thereof, and the drainage cap is provided with a second connecting portion adapted to the first connecting portion.

4. The urinary catheter capable of adjusting the size of a drainage port according to claim 3, wherein the first connecting part is a cylindrical groove, and the second connecting part is a convex column structure; the cylindrical groove and convex column structure is provided with 2-4 groups.

5. The adjustable vent size urinary catheter of claim 3, wherein the control wire is attached to the center of the cap.

6. The urinary catheter capable of adjusting the size of the drainage opening according to claim 4, wherein the side wall of the drainage tube is provided with an ejection channel 15 communicated with the cylindrical groove, and the ejection channel 15 is internally provided with an ejection guide wire which is movably connected.

7. The urinary catheter with the size of the drainage port being adjustable according to claim 3, wherein the first connecting portion is a lifting guide wire channel, the second connecting portion is a lifting guide wire connecting groove, a movably connected lifting guide wire is arranged in the lifting guide wire channel, the lifting guide wire is detachably connected with the lifting guide wire connecting groove, and the detachable connection mode is a threaded connection.

8. The adjustable vent size urinary catheter according to claim 7, wherein a portion of said vent is provided on said cap and another portion of said vent is provided on said drain tube.

9. The adjustable vent size urinary catheter of claim 8, wherein the vent is provided with a blockage sensing device.

10. The adjustable vent size urinary catheter of claim 9, wherein the blockage sensing means comprises an infrared emitting device disposed at the upper end of the vent, an infrared receiving device disposed at the lower end of the vent, a wire, a power supply system, a central processing system, and an alarm system.

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