Leakage-proof urinary catheterization device

Abstract

The utility model relates to a leakproof urethral catheterization device, which relates to the technical field of medical instruments, and comprises a urethral catheter and a urine storage bag, the near end of the urine storage bag is provided with a connector, the far end of the urethral catheter is correspondingly provided with a connecting plug, and the connecting plug and the connector are detachably sealed and inserted through a sealing structure to ensure the leakproof effect in the conventional drainage state; a turning plate assembly is fixedly arranged in the connector, and the turning plate assembly can be opened in a one-way mode in the urine flowing direction and automatically closed in the reverse direction. A cut-off assembly is arranged at the position, close to the connecting plug, of the catheter, when the connecting plug is separated from the connecting plug to replace the urine bag, the cut-off assembly automatically closes an inner channel of the catheter, instant cut-off of urine circulation is achieved, and the problem of urine leakage of a patient in an unconscious urination state is solved. Through the synergistic effect of the sealing structure, the turning plate assembly and the cut-off assembly, full-scene protection of drainage leakage prevention, urine backflow prevention and gap replacement leakage prevention is achieved, the infection risk of the urinary system is effectively reduced, and the problem of urine leakage is completely eradicated.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of medical devices, in particular to a leakage-proof urinary catheterization device. BACKGROUND

[0002] A urinary catheterization device is a kind of medical device for solving the problem of human body's inability to urinate voluntarily, which is composed of a urinary catheter, a urine collection component and an auxiliary fixing or sealing structure. By inserting the urinary catheter into the bladder through the urethra or connecting through a stoma, an external urine drainage channel is established, which is widely used in scenarios such as surgical patients, bedridden patients and patients with urinary system diseases.

[0003] The urinary catheterization device in the prior art is a core medical device for patients who cannot voluntarily control urination due to postoperative anesthesia, intensive care, neurogenic bladder, etc. It realizes continuous drainage and collection of urine through detachable connection of the urinary catheter and the urine bag. However, the structure design of the existing urinary catheterization device has significant defects: since the target patient group is always in an unconscious urination state, urine in the bladder will continuously generate and be discharged outward through the urinary catheter. When replacing the urine bag, the original urine bag needs to be disconnected from the interface of the urinary catheter. At this time, the end of the urinary catheter will be in an open state without the support of the urine collection component, and the continuously discharged urine of the patient cannot be effectively collected, which will inevitably cause urine leakage.

[0004] This urine leakage problem has multiple adverse effects: first, the leaked urine will quickly soak the patient's clothes, bed linen and surrounding environment, causing the patient's perineum and lumbosacral skin to be in a wet state for a long time, which not only damages the skin barrier function, but also easily induces complications such as pressure ulcers and perineal dermatitis, seriously affecting the patient's recovery process and quality of life; second, pathogenic microorganisms contained in the urine may contaminate the urinary catheter interface, the patient's wound and the medical environment, significantly increasing the risk of cross-infection of the urinary system and aggravating the patient's condition and treatment burden; third, medical staff need to spend extra time cleaning the urine leakage and replacing contaminated consumables, which not only increases the workload and operating cost of clinical nursing, but also may affect the efficiency of other nursing work due to frequent handling of unexpected situations; fourth, some patients may have agitation reactions due to unclear consciousness and physical discomfort, further increasing the difficulty and safety risk of nursing operations.

[0005] Therefore, it is necessary to propose a leakage-proof urinary catheterization device to solve the above problems. CONTENT OF THE INVENTION

[0006] The embodiment of the present application provides a leakage-proof urinary catheter device, in order to solve the technical problem that the urinary catheter device is widely used in unconscious urination patients in the prior art, a urine bag is replaced as a clinical routine nursing, and the existing device needs to be disconnected from the urinary catheter and the urine bag during replacement, and the patient continuously urinates unconsciously, and urine leakage is easy to occur in the open state of the urinary catheter, which not only pollutes the environment, increases the risk of urinary system infection and skin complications, but also increases the nursing burden of medical staff.

[0007] The embodiment of the present application provides a leakage-proof urinary catheter device, comprising a urinary catheter and a urine storage bag, a connecting head is arranged at the proximal end of the urine storage bag, a plug-in head is arranged at the distal end of the urinary catheter, the plug-in head and the connecting head are detachably and sealingly plugged in through a sealing structure, the sealing effect is guaranteed in the conventional drainage state, a flap assembly is fixedly arranged in the connecting head, the flap assembly is unidirectionally opened along the flow direction of urine, and is automatically closed in reverse, so that the backflow of urine in the urine storage bag to the urinary catheter is effectively inhibited, and the infection risk is reduced.

[0008] A cutting-off assembly is arranged on the urinary catheter and close to the plug-in head, when the connecting head is separated from the plug-in head for replacing the urine bag, the cutting-off assembly automatically closes the internal passage of the urinary catheter, the instantaneous cutting-off of urine flow is realized, the problem of urine leakage in the state of unconscious urination of the patient is avoided, and the hygiene and convenience of the replacement operation are guaranteed.

[0009] The technical scheme in the embodiment of the present application has at least the following technical effects: through the synergistic effect of the sealing structure, the flap assembly and the cutting-off assembly, the full-scene protection of conventional drainage leakage prevention, urine backflow prevention and replacement gap leakage prevention is realized, the risk of urinary system infection is effectively reduced, the problem of urine leakage is eliminated, the clinical urine bag replacement operation is simplified, the safety, hygiene and convenience of the device are significantly improved, and the key technical defects of the existing urinary catheter device are successfully overcome.

[0010] In the embodiment, the flap assembly comprises a fixing frame arranged on the inner wall of the connecting head, a flap pivotally connected to the fixing frame, and a torsional spring for driving the flap to reset.

[0011] Through the technical scheme, the flap assembly is stably installed through the fixing frame, unidirectionally pivoted through the flap, and automatically reset through the torsional spring, the precise control of unidirectional urine flow and reverse sealing is realized, the backflow of urine in the urine storage bag is quickly and reliably blocked, as the core backflow prevention unit of the device, the flap assembly seamlessly connects with other components, the overall protection function is improved, the risk of urinary system infection is effectively reduced, and the safety and reliability of the leakage-proof urinary catheter device in clinical use are improved.

[0012] In the embodiment, a clamping buckle is arranged on the plug-in head, the clamping buckle is clamped and limited in a limiting groove arranged on the connecting head, and the plug-in head and the connecting head are plugged in.

[0013] Through the technical scheme, the clamping and limiting structure realizes quick disassembly and stable limiting of the plug connector and the connecting head through the precise matching of the clamping buckle and the limiting groove, simplifies the clinical nursing operation, provides stable support for the sealing structure to guarantee the leakage prevention effect, cooperates with other parts of the device, effectively avoids the leakage risk caused by the loose joint, and improves the use safety, reliability and convenience of the leakage prevention urinary catheterization device.

[0014] In the embodiment, the limiting groove includes a first limiting groove and a second limiting groove. When the clamping buckle is clamped with the first limiting groove, the flap in the connecting head is in a closed state by the force of the torsional spring. When the clamping buckle is clamped with the second limiting groove, the flap in the connecting head is opened by the top of the plug connector and is in a conductive state, facilitating the drainage of urine in the plug connector to the urine storage bag.

[0015] Through the technical scheme, the double-limiting groove clamping and matching structure realizes the precise linkage switching of the flap closing and the conductive drainage through the matching of the clamping buckle and different limiting grooves without additional operation. The structure cooperates with other parts of the device, solves the leakage and reverse flow problems in the disassembly gap, guarantees the smoothness and sealing of the conventional drainage, and significantly improves the use safety, reliability and clinical operation convenience of the leakage prevention urinary catheterization device.

[0016] In the embodiment, the cutting assembly includes a mounting seat sleeved on the urinary catheter and an abutting piece provided on the mounting seat and connected by threads, for instant cutting of the urinary catheter to avoid the leakage problem of the patient in the unconscious urination state.

[0017] Through the technical scheme, the cutting assembly realizes instant and controllable cutting of the urinary catheter channel through the stable sleeving of the mounting seat and the precise screwing of the threaded abutting piece, which is convenient to operate and stable in state. The structure cooperates with other parts of the device to form double leakage prevention protection, completely solves the leakage problem in the urine bag replacement gap, does not affect the conventional drainage function, significantly improves the use safety, reliability and clinical operation convenience of the leakage prevention urinary catheterization device.

[0018] In the embodiment, the urine storage bag is provided with a fixing bandage for fixing the urine storage bag on the patient's leg.

[0019] Through the technical scheme, the urine storage bag fixing bandage can realize stable fixation of the urine storage bag on the leg, avoid the problems of pulling off and improper drainage position, provide body position support for the core functions of leakage prevention and reverse flow prevention of the device, cooperate with other parts to improve the use stability of the device in the active state of the patient, and at the same time, enhance the convenience of the patient's activity, further optimize the clinical use experience of the leakage prevention urinary catheterization device.

[0020] Beneficial effects: The device realizes quick disassembly and stable limiting of the connector through the sealing structure of the plug-in connector and the connecting head and the cooperation of the clamping buckle and the double limiting grooves, and simultaneously drives the flap assembly to accurately switch between the closed anti-reflux state and the open drainage state, thereby achieving double protection against leakage and reflux from the connection node and the fluid path. In combination with the cutting assembly on the urinary catheter, the urinary catheter channel can be immediately cut off when the urine bag is replaced, and double protection is formed with the closed state of the flap, thereby completely solving the problem of urine leakage during the replacement interval caused by unconscious urination of the patient. The urine storage bag fixing bandage can stably fix the urine storage bag on the patient's leg, avoid joint loosening caused by pulling during movement, and ensure the low drainage position of the urine storage bag, thereby providing support for smooth drainage and anti-reflux function.

[0021] The complementary functions of the components form a full-process protection system, which not only ensures smooth and reliable sealing of urine during conventional drainage, but also simplifies clinical nursing operations and reduces the work burden of medical staff; at the same time, it reduces the risk of skin complications and urinary system infections caused by urine leakage, improves the comfort and safety of patients, and meets the clinical needs of unconscious urination patients after surgery and in critical conditions, thereby significantly enhancing the practicality and reliability of the device. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 A perspective structural schematic of the leakage-proof urinary catheter device provided by the embodiment of the present application Figure 1 ;

[0023] Figure 2 A perspective structural schematic of the leakage-proof urinary catheter device provided by the embodiment of the present application Figure 2 ;

[0024] Figure 3 A cross-sectional structural schematic and a perspective structural schematic of the connecting head provided by the embodiment of the present application

[0025] Figure 4 A Figure 3 magnified view of A in FIG. 4;

[0026] Figure 5 An exploded structural schematic of the cutting assembly provided by the embodiment of the present application.

[0027] In the drawings, various reference signs represent:

[0028] 1, urinary catheter; 11, plug-in connector; 12, clamping buckle; 2, urine storage bag; 21, connecting head; 22, limiting groove; 221, first limiting groove; 222, second limiting groove; 3, flap assembly; 31, fixing frame; 32, flap; 33, torsional spring; 4, cutting assembly; 41, mounting seat; 42, abutting piece; 5, fixing bandage. DETAILED DESCRIPTION

[0029] The existing catheterization device is a core medical instrument for patients who cannot control urination independently due to postoperative anesthesia, intensive care, neurogenic bladder, etc. The device realizes continuous drainage and collection of urine through detachable connection of the catheter and the urine bag. However, the existing catheterization device has a significant design defect. Since the target patient group is always in an unconscious urination state, urine in the bladder is continuously generated and discharged outward through the catheter. When the urine bag is replaced, the original urine bag and the catheter interface need to be disconnected first. At this time, the catheter end is in an open state without urine collection component, and the continuously discharged urine cannot be effectively collected, which inevitably causes urine leakage.

[0030] The urine leakage problem has multiple adverse effects. First, the leaked urine quickly infiltrates the patient's clothing, bed linen, and surrounding environment, causing the patient's perineum and lumbosacral skin to be in a wet state for a long time, which not only damages the skin barrier function but also easily induces complications such as pressure ulcers and perineal dermatitis, seriously affecting the patient's recovery process and quality of life. Second, pathogenic microorganisms in the urine may contaminate the catheter interface, patient wounds, and the medical environment, significantly increasing the risk of urinary system cross-infection and the patient's treatment burden. Third, medical staff need to spend additional time cleaning the urine leakage and replacing contaminated supplies, which not only increases the workload and operating cost of clinical nursing but also may affect the efficiency of other nursing work due to frequent handling of unexpected situations. Fourth, some patients may have agitation reactions due to unclear consciousness and physical discomfort, further increasing the difficulty and safety risk of nursing operations.

[0031] Therefore, to improve the technical problem that the existing catheterization device is widely used for unconscious urination patients, urine bag replacement is a routine nursing operation, and the existing device needs to be disconnected when replaced, and the patient continuously urinates unconsciously, which easily causes urine leakage in the open state of the catheter, not only polluting the environment, increasing the risk of urinary system infection and skin complications, but also increasing the nursing burden of medical staff, the embodiments of the present application provide the following solutions.

[0032] For details, please refer to Figures 1 to 5 The anti-leakage catheterization device provided by the embodiments of the present application includes a catheter 1 and a urine storage bag 2. The proximal end of the urine storage bag 2 is provided with a connecting head 21, and the distal end of the catheter 1 is correspondingly provided with a plug-in head 11. The plug-in head 11 and the connecting head 21 are detachably and sealingly plugged in through a sealing structure, which guarantees the anti-leakage effect in the normal drainage state. A flap assembly 3 is fixedly arranged inside the connecting head 21. The flap assembly 3 can be opened in one direction with the flow direction of urine and automatically closed in the opposite direction, effectively inhibiting the backflow of urine in the urine storage bag 2 to the catheter 1 and reducing the risk of infection.

[0033] The catheter 1 is provided with a cutting assembly 4 near the insertion connector 11. When the connecting head 21 is separated from the insertion connector 11 for replacing the urine bag, the cutting assembly 4 automatically closes the internal passage of the catheter 1 to achieve instant cutting of the urine flow, avoiding urine leakage in the state of unconscious urination of the patient and ensuring the hygiene and convenience of the replacement operation.

[0034] The leakage-proof catheterization device provided by the embodiment of the present application has a sealing structure (the insertion connector 11 and the connecting head 21 are matched): the sealing structure realizes detachable sealing and insertion of the catheter 1 and the urine storage bag 2, directly eliminates the urine leakage gap at the joint in the conventional drainage state, ensures the basic sealing of urine drainage, and avoids the leakage risk at the joint. The flap assembly 3 (built-in the connecting head 21): relying on the fluid control characteristics of one-way opening and reverse closing, the flap assembly 3 precisely blocks the reflux path of the urine in the urine storage bag 2 to the catheter 1, reduces the risk of urinary system infection caused by urine reflux from the source, and improves the safety of the device. The cutting assembly 4 (near the insertion connector 11 of the catheter 1): when the joint is separated and the urine bag is replaced, the cutting assembly 4 automatically closes the passage of the catheter 1 to instantaneously cut the urine outflow path, specifically solves the leakage problem of the replacement gap in the state of unconscious urination of the patient, avoids urine leakage and pollution, and ensures the hygiene of the operation. Through the functional connection and cooperative matching of the sealing structure, the flap assembly 3 and the cutting assembly 4, a whole-process leakage protection system is constructed, which includes conventional drainage sealing protection, one-way urine guiding and anti-reflux, and active flow interruption in the replacement gap. The sealing structure builds a basic connection sealing defense line, the flap assembly 3 makes up for the reflux defect of the traditional device, and the cutting assembly 4 solves the leakage short board of the replacement operation. The functions of the components are complementary and closely connected, which not only retains the convenient disassembly characteristics of the catheter 1 and the urine storage bag 2, but also completely overcomes the three core technical defects of the conventional leakage, urine reflux and replacement leakage of the existing catheterization device, and highly adapts to the clinical nursing operation and the use requirements of the patient.

[0035] In the embodiment, the flap assembly 3 includes a fixing frame 31 arranged on the inner wall of the connecting head 21, a flap 32 pivotally connected to the fixing frame 31, and a torsional spring 33 for driving the flap 32 to reset.

[0036] In this way, the fixing frame 31, the flap 32 and the torsional spring 33 of the flap assembly 3 are closely connected in structure and function, and constitute an integrated one-way guiding core unit, which is seamlessly embedded in the connecting head 21 and forms a functionally complementary structure with the sealing structure of the connecting head 21 and the cutting assembly 4 of the catheter 1. The fixing frame 31 ensures the structural adaptability of the assembly and the connecting head 21, the flap 32 and the torsional spring 33 cooperatively realize the precise one-way anti-reflux function, and make up for the short board of the sealing structure that can only prevent leakage but cannot control the direction of the fluid. Together with the cutting assembly 4, the whole-process protection system of the device is improved, which includes conventional leakage prevention, one-way anti-reflux, and replacement flow interruption, and the overall safety performance and clinical adaptability of the leakage-proof catheterization device are improved.

[0037] In the embodiment, the plug-in connector 11 is provided with a clamping buckle 12, which is clamped and limited in the limiting groove 22 of the connecting head 21, so as to realize the plug-in connection between the plug-in connector 11 and the connecting head 21.

[0038] In this way, the clamping and limiting structure of the clamping buckle 12 and the limiting groove 22 cooperates with the sealing structure of the plug-in connector 11 and the connecting head 21 and the cutting assembly 4 to realize the following functions: first, the stable clamping and limiting provides reliable structural support for the sealing structure, avoids the gap between the sealing surfaces caused by the loosening of the connector, and guarantees the leakage-proof effect of the sealing structure; second, the quick disassembly and assembly of the clamping buckle 12 adapts to the working logic of the cutting assembly 4, so that the connector can be quickly separated when the urine bag is replaced, the cutting assembly 4 can be immediately cut off to prevent leakage, and the connector can be quickly clamped and reset after replacement, thereby forming a functional closed loop of quick disassembly and assembly, stable sealing, and leakage prevention, and improving the leakage prevention and operation adaptability of the device as a whole.

[0039] In the embodiment, the limiting groove 22 includes a first limiting groove 221 and a second limiting groove 222. When the clamping buckle 12 is clamped with the first limiting groove 221, the flap 32 in the connecting head 21 is in a closed state under the force of the torsional spring 33. When the clamping buckle 12 is clamped with the second limiting groove 222, the flap 32 in the connecting head 21 is pushed open by the top of the plug-in connector 11 and is in a conductive state, which facilitates the conduction of urine in the plug-in connector 11 to the urine storage bag 2.

[0040] In this way, the cooperation structure of the double limiting grooves 22 and the clamping buckle 12 cooperates with the flap assembly 3, the sealing structure, and the cutting assembly 4 to realize the following functions: in the stage of replacing the urine bag and disassembling the connector, the clamping buckle 12 cooperates with the first limiting groove 221 to close the flap 32, and the cutting assembly 4 of the urinary catheter 1 forms double protection of the flap 32 anti-reflux and the cutting assembly 4 anti-leakage, which completely solves the problems of leakage and reflux during disassembly; in the stage of conventional drainage, the clamping buckle 12 cooperates with the second limiting groove 222 to stably conduct the flap 32, and the clamping and limiting provides reliable support for the sealing structure of the plug-in connector 11 and the connecting head 21, avoids the loosening of the connector leading to the failure of the sealing, guarantees the double effects of smooth drainage and leakage prevention. The structure realizes the seamless switching of the device disassembly protection and the drainage work through state linkage, perfects the overall leakage and reflux prevention system, and improves the reliability of clinical use.

[0041] In the embodiment, the cutting assembly 4 includes a mounting seat 41 sleeved on the urinary catheter 1 and an abutting piece 42 provided on the mounting seat 41 and connected through threads, which is used to cut off the urinary catheter 1 immediately to avoid the problem of urine leakage in the state of unconscious urination of the patient.

[0042] In this way, the mounting seat 41 and the threaded abutting piece 42 of the cutting assembly 4 are cooperated with the clamping structure of the double limiting groove 22 and the flap assembly 3 to form a full-process leak-proof cooperation: when the urine bag is replaced and the connector is separated, the abutting piece 42 is screwed to cut off the channel of the catheter 1, and then the clamping structure is separated, at this time, the flap 32 is in a closed state, forming double protection of active flow cutting of the catheter 1 and anti-reflow of the connector 21, and completely solving the problem of urine leakage during replacement gap caused by unconscious urination of the patient; when the conventional drainage is performed, the abutting piece 42 is loosened and reset, and does not affect the normal flow of the catheter 1, and is adapted with the conductive state of the flap 32 and the clamping sealing structure, so as to ensure smooth drainage and sealing of urine. The component has simple structure and controllable operation, and is complementary to the functions of other parts of the device, and perfects the closed loop of the overall leak-proof protection system.

[0043] In the embodiment, the urine storage bag 2 is provided with a fixing band 5 for fixing the urine storage bag 2 on the leg of the patient.

[0044] In this way, the fixing band 5 of the urine storage bag 2 is cooperated with the clamping limiting structure, the sealing structure, the flap assembly 3 and the cutting assembly 4 of the device to form a cooperative support in structure and function: first, the fixing of the urine storage bag 2 avoids the problems of clamping loosening and sealing failure caused by pulling, and guarantees the leak-proof effect of the clamping and sealing structure; second, the low position of the urine storage bag 2 is maintained, which further prevents urine backflow and strengthens the anti-infection protection in cooperation with the flap assembly 3; third, the fixed position of the urine storage bag 2 is regular, which does not affect the operation of the cutting assembly 4 and the disassembly of the connector during replacement of the urine bag, and ensures the smoothness of the overall operation process. The band improves the use adaptability of the device, and enables the functions of the core components to be stable in the active state of the patient.

[0045] The above only describes the preferred embodiments of the present application and does not limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A leakage-proof urinary catheterization device comprising a urinary catheter (1) and a urine storage bag (2), characterized in that: The proximal end of the urine storage bag (2) is provided with a connecting head (21), and the distal end of the urinary catheter (1) is correspondingly provided with a plug-in head (11). The plug-in head (11) and the connecting head (21) are detachably and sealingly plugged in through a sealing structure, so as to guarantee the leakage prevention effect in the conventional drainage state. The inside of the connecting head (21) is fixedly provided with a flap assembly (3). The flap assembly (3) can be opened in one direction along the flow direction of urine, and is automatically closed in the reverse direction, so as to effectively inhibit the backflow of urine in the urine storage bag (2) to the urinary catheter (1), and reduce the risk of infection. The urinary catheter (1) is provided with a cutting-off assembly (4) at a position close to the plug-in head (11). When the connecting head (21) is separated from the plug-in head (11) for replacing the urine bag, the cutting-off assembly (4) automatically closes the internal passage of the urinary catheter (1), so as to realize instant cutting-off of the urine flow, avoid urine leakage in the state of unconscious urination of the patient, and guarantee the hygiene and convenience of the replacement operation.

2. The leak-proof urinary catheterization device of claim 1, wherein: The flap assembly (3) comprises a fixed frame (31) arranged on the inner wall of the connecting head (21), a flap (32) pivotally connected to the fixed frame (31), and a torsional spring (33) for driving the flap (32) to reset.

3. The leak-proof urinary catheterization device of claim 2, wherein: The plug-in head (11) is provided with a clamping buckle (12), and the clamping buckle (12) is clamped and limited in a limiting groove (22) arranged on the connecting head (21), so as to realize the plugging between the plug-in head (11) and the connecting head (21).

4. The leak-proof urinary catheterization device of claim 3, wherein: The limiting groove (22) comprises a first limiting groove (221) and a second limiting groove (222). When the clamping buckle (12) is clamped in the first limiting groove (221), the flap (32) in the connecting head (21) is in a closed state under the force of the torsional spring (33). When the cutting-off assembly (4) is in a cutting-off state, the clamping buckle (12) is clamped in the second limiting groove (222), the flap (32) in the connecting head (21) is opened by the top of the plug-in head (11), and is in a conductive state, so as to facilitate the conduction of urine in the plug-in head (11) to the urine storage bag (2).

5. The leakproof urinary catheterization device of claim 1, wherein: The cutting-off assembly (4) comprises a mounting seat (41) sleeved on the urinary catheter (1), and an abutting piece (42) arranged on the mounting seat (41) and connected through threads, so as to realize instant cutting-off of the urinary catheter (1) and avoid urine leakage in the state of unconscious urination of the patient.

6. A leak-proof urinary catheterization device as claimed in claim 1 or 2 or 3 or 4 or 5, wherein: The urine storage bag (2) is provided with a fixing band (5) for fixing the urine storage bag (2) on the leg of the patient.

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