CN211024676U

CN211024676U - Urinary catheter system and urinary catheter connecting device

Info

Publication number: CN211024676U
Application number: CN201921538645.5U
Authority: CN
Inventors: 左丹丹; 龙旺军; 陈桂芳
Original assignee: Guangzhou Women and Childrens Medical Center
Current assignee: Guangzhou Women and Childrens Medical Center
Priority date: 2019-09-17
Filing date: 2019-09-17
Publication date: 2020-07-17
Anticipated expiration: 2029-09-17

Abstract

The utility model relates to a ureter system and ureter connecting device. The urinary catheter connecting device comprises a drainage tube, a reverse flow resisting assembly and a switch assembly. One end of the drainage tube is provided with a first joint used for being connected with a urine tube, and the other end of the drainage tube is provided with an outflow port used for urine to flow out. Hinder backward flow subassembly and set up in the drainage tube, hinder backward flow subassembly and can prevent that urine from flowing out to first joint backward flow by oneself. The switch assembly is arranged at one end of the drainage tube, which is far away from the first connector, and the switch assembly is used for opening or closing the outflow port. The urinary catheter connecting device is connected with the urinary catheter, so that a bulky urinary bag in a traditional urinary catheter system can be omitted, and the urinary catheter system is more portable.

Description

Urinary catheter system and urinary catheter connecting device

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a ureter system and ureter connecting device.

Background

The patients after urethral operation or patients with urethral injury need to stay the ureter for a long time, and the ureter which is kept in the urethra of the patients for a long time at present needs to be connected with a urine bag to form a ureter system. The traditional ureter system needs to replace the urine bag regularly, pour the urine regularly, and the patient needs to fix the urine bag and carry with when going out or getting out of bed. However, the urine bag is bulky and not easy to be covered by clothes, more patients can have self-esteem and frustrated emotion, and more importantly, the urine bag can also easily cause the urine reflux of the ureter and cause retrograde infection. However, if the urine tube is not connected with the urine bag, urine can directly flow out of the urine tube, so that clothes of a patient are polluted, and urethra infection of the patient is easily caused.

SUMMERY OF THE UTILITY MODEL

In view of the above, there is a need to provide a urinary catheter connection device that addresses the problem of how to make a urinary catheter system more portable.

A urinary catheter connection device comprising:

one end of the drainage tube is provided with a first joint for connecting with a urinary catheter, and the other end of the drainage tube is provided with an outflow port for urine outflow;

the backflow preventing assembly is arranged in the drainage tube and can prevent the urine from flowing back to the first connector from the flow outlet; and

the switch assembly is arranged at one end of the drainage tube, which is far away from the first connector, and is used for opening or closing the outflow port.

Above-mentioned ureter connecting device passes through first joint and ureter body coupling on the drainage tube to set up in the drainage tube and hindered palirrhea subassembly, thereby can effectively prevent because the palirrhea retrograde infection problem that causes of urine. Be connected with the drainage tube through the switch module, open the switch module when patient has urine to feel willful or interval certain time to emit the urine, thereby can control the emission of urine, prevent that the urine from spilling the ureter, and indirectly play the function of taking exercise patient's bladder. At the same time, infection of the patient's urethra caused by bacteria entering the patient's urethra through the outflow port can be prevented by closing the switch assembly. Through the ureter connecting device and the ureter, a bulky urine bag in the traditional ureter system can be saved, and the ureter system is more portable.

In one embodiment, the anti-reflux assembly comprises at least two valves, one end of each valve is connected with the inner wall of the drainage tube, the other end of each valve extends in a direction away from the first joint, and the adjacent valves are contacted with each other;

when the urine flows from the first joint towards the outflow opening, the adjacent valves are separated to form an opening for the urine to flow out;

when the urine flows from the outflow opening to the first joint direction, the adjacent valves are abutted with each other, and the opening is closed.

In one embodiment, the anti-reflux assembly further comprises a connecting tube, the connecting tube is disposed in the drainage tube, one end of the connecting tube is connected with the inner wall of the drainage tube, the other end of the connecting tube is connected with the valve, and the diameter of the connecting tube decreases in the direction approaching the valve.

In one embodiment, the switch assembly includes a second connector and a plugging sleeve, the second connector has a cavity penetrating through two ends of the second connector, one end of the second connector is connected to the drainage tube, the plugging sleeve is movably sleeved on one end of the second connector far away from the drainage tube, and a protrusion is disposed in the plugging sleeve and can be inserted into the cavity.

In one embodiment, the cavity wall of the cavity is provided with an internal thread, and the protrusion is provided with an external thread matched with the internal thread.

In one embodiment, the inner wall of the plugging sleeve is provided with a first clamping position, the outer wall of the second joint is provided with a second clamping position, and the first clamping position can be clamped with the second clamping position.

In one embodiment, the periphery of the projection is provided with an outflow slot for urine outflow.

In one embodiment, the urinary catheter connecting device further comprises a clamp, the drainage tube is a flexible tube, and the clamp is clamped on the drainage tube.

In one embodiment, the urinary catheter connection device further comprises a cover body, and the cover body is sleeved outside the first connector.

A ureteral system comprises a ureteral body and the ureteral connecting device, wherein the ureteral body is connected with the ureteral connecting device.

The ureter connecting device of the ureter system is connected with the ureter body through the first joint on the drainage tube, and a backflow blocking assembly is arranged in the drainage tube, so that the problem of retrograde infection caused by urine backflow can be effectively prevented. Be connected with the drainage tube through the switch module, open the switch module when patient has urine to feel willful or interval certain time to emit the urine, thereby can control the emission of urine, prevent that the urine from spilling the ureter, and indirectly play the function of taking exercise patient's bladder. At the same time, infection of the patient's urethra caused by bacteria entering the patient's urethra through the outflow port can be prevented by closing the switch assembly. Through the ureter connecting device and the ureter, a bulky urine bag in the traditional ureter system can be saved, and the ureter system is more portable.

Drawings

FIG. 1 is a schematic view of a urinary catheter connection device according to an embodiment;

FIG. 2 is an exploded sectional view of the structure of the urinary catheter connection device shown in FIG. 1;

FIG. 3 is a bottom view of the anti-reflux assembly of the urinary catheter connection device shown in FIG. 1;

FIG. 4 is a schematic structural view of the anti-backflow assembly shown in FIG. 3 in an open state;

FIG. 5 is a schematic structural view of the anti-backflow assembly shown in FIG. 3 in a closed state;

FIG. 6 is a cross-sectional view of a second fitting of the urinary catheter connection device shown in FIG. 1;

FIG. 7 is a cross-sectional view of the occlusion sleeve of the urinary catheter connection device shown in FIG. 1;

figure 8 is a top view of the occlusion sleeve of the urinary catheter connection device shown in figure 1.

The reference numbers illustrate:

10. a drainage tube; 11. a first joint; 12. an outflow port; 20. a flow blocking component; 21. a connecting pipe; 22. a valve; 221. a first valve; 222. a second valve; 223. an opening; 30. a switch assembly; 31. a second joint; 311. a second card position; 312. a cavity; 32. plugging the sleeve; 321. a protrusion; 322. a first clamping position; 323. an outflow channel; 40. a clip; 50. a cover body.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many different forms other than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention, and it is therefore not to be limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "secured to" 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," "left," "right," "up," "down," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In the present invention, the terms "first" and "second" do not denote any particular quantity or order, but are merely used to distinguish names.

Referring to fig. 1-2, embodiments of the present application provide a urinary catheter connection device for connecting with a urinary catheter instead of a urinary bag to prevent urine in the urinary catheter from leaking out. Specifically, the urinary catheter connection device of an embodiment includes a drainage catheter 10, an anti-reflux assembly, and a switch assembly 30. Wherein one end of the drainage tube 10 is provided with a first joint 11 for connection with a urinary catheter, and the other end of the drainage tube 10 is provided with an outflow port 12 for outflow of urine. A flow blocking and reversing assembly 20 is disposed within drain tube 10. The backflow prevention assembly 20 prevents urine from flowing back from the flow outlet 12 to the first connector 11. A switch assembly 30 is disposed at an end of drain tube 10 remote from first connector 11, and switch assembly 30 is used to open or close outflow port 12.

Further, the first joint 11 is cone-shaped, i.e. the diameter of the first joint 11 increases towards the outlet 12, so that the first joint 11 is easier to insert into the urine duct. Preferably, the outer wall of the first connector 11 is provided with a skidproof protrusion 321, so as to prevent the first connector 11 from being easily removed from the urinary catheter. Further, the drainage tube 10 is a hose, the drainage tube 10 is provided with a flow passage penetrating through two ends of the drainage tube 10, the backflow resisting component is arranged in the flow passage of the drainage tube 10, and the backflow resisting component has a one-way conduction function, that is, when urine flows from the first connector 11 to the outflow port 12, the backflow resisting component is opened, so that the flow passage is smooth, and the urine can flow to the outflow port 12. And when urine is to flow from the outflow port 12 to the first connector 11, the backflow preventing member is closed, so that the flow passage is blocked, thereby preventing the urine from flowing backward to the first connector 11.

The above urinary catheter connection device is connected with a urinary catheter through the first connector 11 on the drainage tube 10, and the reverse flow blocking assembly 20 is provided in the drainage tube 10, so that the problem of reverse infection due to reverse flow of urine can be effectively prevented, and the switch assembly 30 is connected with the drainage tube 10 through the switch assembly 30, and the switch assembly 30 is turned on when a patient has a urine intention or at certain intervals to discharge urine, so that the discharge of urine can be controlled and the function of exercising the bladder of the patient is indirectly performed. And infection of the urethra of the patient caused by bacteria entering the urethra of the patient from the outflow port 12 can be prevented by closing the switch assembly 30. Through the ureter connecting device and the ureter connection, a bulky urine bag in the traditional ureter system is omitted, the catheter is hidden in clothes of a patient when being carried, and the ureter system is more portable.

Referring to fig. 3-5, the anti-reflux assembly 20 includes at least two valves 22, one end of each valve 22 is connected to the inner wall of the drain tube 10, the other end of each valve 22 is a free end and the other end of each valve 22 extends away from the first connector 11, with adjacent valves 22 contacting each other. Thus, when urine flows from the first connector 11 in the direction of the outflow opening 12, the adjacent valves 22 are separated, forming an opening 223 for the outflow of urine. When urine flows from the outflow opening 12 toward the first joint 11, the adjacent valves 22 abut against each other and resist against each other, forming a closed structure, so that the opening 223 is closed.

Specifically, referring to fig. 3 and 5, the reverse flow preventing assembly 20 includes two valves 22, a first valve 221 and a second valve 222, respectively, one end of each of the first valve 221 and the second valve 222 is connected to the inner wall of the draft tube 10. The other ends of the first valve 221 and the second valve 222 extend away from the first joint 11. Initially, the anti-reflux assembly 20 is in a closed state, in which the first valve 221 is disposed opposite the second valve 222 and the first valve 221 and the second valve 222 are in contact with each other. Referring to fig. 4, when urine flows from the first connector 11 toward the outflow port 12, the adjacent valves 22 are separated to form an opening 223 for the outflow of urine, and the anti-reflux assembly 20 is in an open state. Referring to fig. 5, when urine flows from the outflow opening 12 toward the first connector 11, the adjacent valves 22 abut against each other, and the anti-reflux assembly 20 forms a closed structure, so that the opening 223 is closed. Further, in order to enhance the sealing effect when the first valve 221 contacts the second valve 222, a plurality of connecting pins may be disposed at intervals on two sides of the first valve 221 contacting the second valve 222, so as to enhance the sealing performance.

It should be noted that the number of the plurality of flow blocking and reversing assemblies 20 is not limited to two, and in other embodiments, the number of the plurality of flow blocking and reversing assemblies may be three, four, or more. And the plurality of valves 22 are disposed adjacent to each other in sequence, with adjacent valves 22 contacting each other.

Further, referring to FIGS. 3-5, the reverse flow preventing assembly 20 further includes a connection tube 21, the connection tube 21 being disposed inside the drainage tube 10 and one end of the connection tube 21 being connected to an inner wall of the drainage tube 10, and the other end of the connection tube 21 being connected to the valve 22. The connecting tube 21 has a funnel-shaped configuration, i.e. the diameter of the connecting tube 21 decreases in the direction of approaching the valve 22. The funnel-shaped connecting tube 21 can collect and guide urine into the opening 223 formed by the adjacent valve 22, and the opening 223 at the bottom end of the funnel-shaped connecting tube 21 is smaller, so that the funnel-shaped connecting tube also has a certain anti-backflow function. Preferably, the connection tube 21 is made of a hard material, and the drainage tube 10 is made of a soft material.

Referring to fig. 1 and fig. 6 to 7, the switch assembly 30 includes a second connector 31 and a blocking sleeve 32, and the second connector 31 is a tubular structure, that is, the second connector 31 is provided with a cavity 312 penetrating through both ends of the second connector 31. One end of the second joint 31 is connected to the drain tube 10 such that the cavity 312 of the second joint 31 communicates with the flow passage of the drain tube 10. The plugging sleeve 32 is a barrel-shaped structure with one end open 223 and the other end closed. The blocking sleeve is movably sleeved at the other end of the second connector 31, and a protrusion 321 is provided in the blocking sleeve, and the protrusion 321 can be inserted into the cavity 312 or withdrawn from the cavity, thereby blocking or opening the cavity to temporarily store a small amount of urine in the drainage tube 10 or discharge the urine. Preferably, the protrusion 321 is disposed on the bottom wall of the inner cavity of the plugging sleeve 32. Preferably, the cavity wall of the cavity 312 of the second connector 31 is provided with an internal thread, and the protrusion 321 is provided with an external thread matching with the internal thread, so that the protrusion 321 forms a threaded connection with the cavity wall of the cavity 312, and further, the connection between the protrusion 321 and the second connector is more stable, and the cavity 312 can be sealed or opened by rotating the plugging sleeve 32 in different directions, which is easy to operate.

Furthermore, the inner wall of the plugging sleeve 32 is provided with a first clamping position 322, the outer wall of the second joint 31 is provided with a second clamping position 311, and the first clamping position 322 can be clamped with the second clamping position 311. Specifically, the first detent 322 is an annular boss or at least two bosses disposed along the circumferential direction of the plugging sleeve 32. Preferably, the first detent 322 is arranged on an inner wall of the plugging sleeve 32 close to the first connector 11. The second detent 311 may also be an annular boss or at least two bosses disposed along the circumference of the second joint 31. Preferably, the second detent 311 is disposed on the outer wall of the second connector 31 far from the first connector 11, so that when the protrusion 321 of the plugging sleeve 32 is separated from the inner cavity of the second connector 31, the first detent 322 is engaged with the second detent 311, so that the plugging sleeve still remains connected to the second connector 31, and the plugging sleeve is prevented from falling off.

Referring to fig. 8, the outer circumference of the protrusion 321 is provided with an outflow groove 323 for urine outflow. Specifically, the number of the outflow grooves 323 is at least two, the at least two outflow grooves 323 are arranged at intervals along the outer periphery of the protrusion 321, and the outflow grooves 323 are arranged on the outer periphery of the protrusion 321, so that the plugging sleeve is prevented from being completely removed from the second connector 31, and the probability of losing the plugging sleeve after being removed is reduced.

Referring to fig. 1 and 2, the urinary catheter connecting device further includes a clip, and the drainage tube 10 is a flexible tube, and the clip is clamped on the drainage tube 10 to close the flow passage of the drainage tube 10. When the patient needs to urinate, the clamp body is opened to restore the smoothness of the flow passage of the drainage tube 10, and the urine is discharged. Specifically, the clip cooperates with the switch assembly 30 to provide a dual leak-proof function. Through the clip with hinder palirrhea subassembly 20 cooperation, can play dual anti palirrhea function, improved catheter connection device's anti palirrhea and leak protection effect.

Referring to fig. 8, the urinary catheter connection device further comprises a cover body, the cover body is sleeved outside the first connector 11, and specifically, the cover body is used for preventing the first connector 11 from being polluted, so that the urinary catheter is prevented from being polluted after the first connector 11 is inserted into the urinary catheter.

When the urinary catheter connecting device is used, the cover body is taken down firstly, and then the drainage tube 10 is connected to a urinary catheter which is pre-reserved in the urethra of a patient through the first connector 11. While the clamp and switch assembly 30 remain closed. When the patient has a desire to urinate, the clip is removed and the closure cap is unscrewed so that the switch assembly 30 is opened. Thereby releasing the urine.

Further, the present application also provides a urinary catheter system, and in particular, the urinary catheter system of an embodiment includes a urinary catheter body and the urinary catheter connecting device of any of the above embodiments. Wherein the ureter body is used for implanting the patient urethra, ureter connecting device and ureter body for prevent the urine refluence and spill the ureter body.

The ureter connecting device of the ureter system is connected with the ureter body through the first joint 11 on the drainage tube 10, and the backflow resisting component 20 is arranged in the drainage tube 10, so that the problem of retrograde infection caused by urine backflow can be effectively prevented. Is connected with the drainage tube 10 through the switch assembly 30, opens the switch assembly 30 when the patient has a urine intention or at certain intervals to discharge the urine, thereby controlling the discharge of the urine, preventing the urine from leaking out of the urinary catheter, and indirectly playing a function of exercising the bladder of the patient. At the same time, infection of the patient's urethra by bacteria entering the patient's urethra from the outflow port 12 can be prevented by closing the switch assembly 30. Through the ureter connecting device and the ureter connection, a bulky urine bag in the traditional ureter system can be saved, and the ureter system is more portable.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

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. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A urinary catheter connection device, comprising:

the backflow preventing component is arranged in the drainage tube and can prevent the urine from flowing back from the urine flowing outlet to the direction of the first joint; and

2. The urinary catheter connection device according to claim 1, wherein the anti-reflux assembly comprises at least two valves, one end of each valve being connected to the inner wall of the drainage tube, the other end of each valve extending away from the first connector, and adjacent valves being in contact with each other;

3. The urinary catheter connection device according to claim 2, wherein the anti-reflux assembly further comprises a connection tube disposed within the drainage tube and having one end connected to an inner wall of the drainage tube and the other end connected to the valve, the connection tube having a diameter that decreases in a direction approaching the valve.

4. The urinary catheter connection device according to claim 1, wherein the switch assembly comprises a second connector and a blocking sleeve, the second connector is provided with a cavity penetrating through two ends of the second connector, one end of the second connector is connected with the drainage tube, the blocking sleeve is movably sleeved on one end of the second connector far away from the drainage tube, and a protrusion is arranged in the blocking sleeve and can be embedded into the cavity.

5. The urinary catheter connection device according to claim 4, characterized in that the wall of the cavity is provided with an internal thread and the protrusion is provided with an external thread matching the internal thread.

6. The urinary catheter connection device according to claim 4, characterized in that the inner wall of the blocking sleeve is provided with a first detent, the outer wall of the second connector is provided with a second detent, and the first detent can be clamped with the second detent.

7. The urinary catheter connection device according to claim 6, characterized in that the outer circumference of the protrusion is provided with an outflow groove for urine outflow.

8. The urinary catheter connection device according to any one of claims 1 to 7, further comprising a clip, wherein the drainage tube is a hose, and wherein the clip is clipped onto the drainage tube.

9. The urinary catheter connection device according to any of claims 1 to 7, characterized in that it further comprises a cap which is fitted over the first connector.

10. A catheter system comprising a catheter body and a catheter connection device according to any of claims 1-9, said catheter body being connected to said catheter connection device.