Urinary catheter device with regulating function
By using a regulated catheter device with adjustable switches and electrodes, the natural urination cycle is simulated and electrical stimulation is provided, which solves the problems of urinary tract infection and bladder function decline caused by long-term indwelling catheters and promotes the recovery of patients' ability to urinate independently.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- KONTOUR (XI AN) MEDICAL TECHNOLOGY CO LTD
- Filing Date
- 2025-06-16
- Publication Date
- 2026-06-23
AI Technical Summary
Prolonged indwelling of existing urinary catheters in the bladder can easily lead to urinary tract infections and bladder dysfunction, affecting the recovery of patients' ability to urinate independently.
Design an adjustable catheterization device comprising a catheter made of charged silicone rubber, a catheter tip, and a balloon, equipped with an adjustment switch and electrodes of opposite polarity. The adjustment switch simulates the natural urination cycle, the electrodes provide electrical stimulation, and an electrophysiological monitoring device is used to train and stimulate the bladder.
It accelerated the recovery of patients' ability to urinate independently, reduced the risk of urinary tract infections, improved bladder muscle tone, and promoted the recovery of bladder function.
Smart Images
Figure CN224387907U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of medical device technology, and in particular to a urinary catheter device with adjustable function. Background Technology
[0002] A urinary catheter is a tube inserted into the bladder through the urethra to drain urine. It is made of natural rubber, silicone rubber, or polyvinyl chloride (PVC). After insertion, a balloon near the tip of the catheter secures it in the bladder, preventing dislodgement. The drainage tube connects to a urine bag to collect the urine. Specifically, urine flows through the catheter into the urine bag, thus achieving the drainage and collection of the patient's urine.
[0003] However, patients' illnesses typically have a certain course, and the catheter remains in the bladder for an extended period before recovery, which can easily lead to urinary tract infections. Furthermore, because the catheter allows for autonomous and real-time drainage of urine from the bladder, its prolonged presence may cause bladder dysfunction and nerve damage, hindering the recovery of the patient's ability to urinate independently. Therefore, this application proposes a catheterization device with adjustable functionality. Utility Model Content
[0004] This application provides a urinary catheterization device with adjustable function to solve the technical problems described in the background art above.
[0005] To solve the above-mentioned technical problems, this application adopts the following technical solution:
[0006] This application provides a urinary catheterization device with adjustable function, comprising:
[0007] A urinary catheter, one end of which is provided with a catheter head for introducing urine into it, and the other end of which is provided with an adjustment switch body for adjusting the rate of urine discharged from the other end of the urinary catheter and the on / off state.
[0008] A balloon, which is disposed near the catheter tip on the outer peripheral wall of the catheter and is capable of being filled with a medium to secure the catheter in the patient's bladder;
[0009] Two electrodes of opposite polarity, one end of each electrode passing through the catheter and extending along the length of the catheter into the catheter tip, and the ends of each electrode outside the catheter being used to connect to the positive and negative electrodes of an electrophysiological monitoring device, respectively.
[0010] The catheter, catheter tip, and balloon are all made of electrically charged silicone rubber.
[0011] Optionally, a medium-filled tube is provided through the tube body near its other end;
[0012] The medium filling tube extends along the length of the catheter and passes through the catheter to communicate with the balloon at one end inside the catheter, and a first sealing plug is provided at the other end outside the catheter.
[0013] Optionally, a flushing pipe is also provided through the tube near its other end;
[0014] The flushing pipe extends along the length of the catheter and is close to the catheter head at one end inside the catheter, and a second sealing plug is provided at the other end outside the catheter.
[0015] Optionally, the flushing pipe is located inside the catheter and the end near the catheter tip is a blind end, and multiple flushing ports are provided on the outer peripheral wall of the end near the catheter tip.
[0016] Optionally, the regulating switch body includes a fixed outer cylinder with one end open, a third sealing plug, and a pressing rod;
[0017] An inlet and an outlet are respectively provided on opposite side walls at the same height of the fixed outer cylinder. The inlet is sealed and connected to the other end of the catheter. An outlet is sealed and connected to an outlet pipe. The third sealing plug is disposed inside the fixed outer cylinder and connected to one end of the pressing rod. The other end of the pressing rod is located outside the fixed outer cylinder and is used to drive the third sealing plug to move back and forth along the length of the fixed outer cylinder to open or block the inlet.
[0018] Optionally, the catheter head is ellipsoidal and has a drainage hole.
[0019] Optionally, both electrodes are printed in a spiral shape on the inner wall of the catheter and the inner wall of the catheter tip.
[0020] Optionally, the outer walls of the catheter, the catheter tip, and the balloon are all provided with a hydrophilic coating.
[0021] The adjustable catheterization device provided in this application involves inserting one end of a catheter, equipped with a catheter tip and a balloon, into the patient's bladder. By filling the balloon with a medium to inflate it, the catheter is secured within the bladder, ensuring stability during catheterization. Furthermore, the rate and flow of urine from the catheter can be adjusted via an adjustable switch, simulating a natural voiding cycle. This trains the patient's bladder, improves bladder muscle tone, and facilitates the recovery of voluntary urination. The adjustable switch is also easy to operate, allowing the patient to control it independently. Furthermore, the catheter, catheter tip, and balloon in this application are all made of electrically conductive silicone rubber. Two electrodes of opposite polarity, extending into the catheter tip, are placed inside the catheter. The ends of these two electrodes outside the catheter are connected to the positive and negative terminals of an electrophysiological monitoring device, respectively. Current supplied by the electrophysiological monitoring device is transmitted to the patient's bladder via the two electrodes of opposite polarity and the catheter, catheter tip, and balloon located within the bladder. This electrically stimulates the nerve tissue surrounding the bladder, thereby improving the recovery efficiency of the patient's bladder's spontaneous urination ability. In other words, compared to existing catheterization methods, this application, through adjusting the switch body and electrode settings, accelerates the recovery of the patient's spontaneous urination ability. Once the patient's spontaneous urination ability is restored, the catheter can be removed from the bladder, thus avoiding prolonged indwelling of the catheter and reducing the risk of urinary tract infection. Attached Figure Description
[0022] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0023] Figure 1 A schematic diagram of a urinary catheterization device with adjustable function provided in an embodiment of this application;
[0024] Figure 2 A schematic diagram of the internal structure of a urinary catheterization device with adjustable function provided in an embodiment of this application;
[0025] Figure 3 A schematic diagram of the structure of the adjustment switch body after the push rod is pulled out according to an embodiment of this application;
[0026] Figure 4 This is a schematic diagram of a cleaning pipe with multiple rinsing ports provided in an embodiment of this application.
[0027] In the diagram: 100, catheter; 101, catheter tip; 1011, drainage hole; 102, medium filling tube; 1021, first sealing plug; 103, flushing tube; 1031, second sealing plug; 1032, flushing port; 200, adjusting switch body; 201, fixed outer cylinder; 2011, inlet; 2012, outlet; 202, third sealing plug; 203, pressing rod; 204, spring; 300, balloon; 400, electrode; 500, drain tube. Detailed Implementation
[0028] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions in the embodiments of this application are described clearly and completely below. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are also within the scope of protection of this application.
[0029] refer to Figures 1 to 4 This application provides a urinary catheterization device with adjustable function, comprising:
[0030] The catheter 100 has a catheter head 101 at one end for guiding urine into it, and an adjustment switch body 200 at the other end. The adjustment switch body 200 is used to adjust the rate and on / off flow of urine from the other end of the catheter 100. The adjustment switch body 200 is designed to simulate the natural urination cycle to discharge urine from the patient, which can train the patient's bladder, improve the tension of the bladder muscles, and facilitate the recovery of the patient's ability to urinate independently. In addition, the adjustment switch body 200 is easy to operate, that is, the patient can operate the adjustment switch body 200 himself.
[0031] A balloon 300 is disposed on the outer peripheral wall of the catheter 100 near the catheter tip 101, and is capable of being filled with a medium to secure the catheter 100 within the patient's bladder. During use, the balloon 300 is inflated by filling it with a medium, thereby securing the catheter 100 within the patient's bladder. The medium can be physiological saline or gas, and the choice can be made according to the specific circumstances; this application does not impose any specific limitations on it.
[0032] Two electrodes 400 of opposite polarity are provided. One end of each electrode 400 passes through the catheter 100 and extends along the length of the catheter 100 into the catheter tip 101. The ends of each electrode 400 located outside the catheter 100 are used to connect to the positive and negative terminals of an electrophysiological monitoring device, respectively. The electrophysiological monitoring device is mainly used to provide current to the two electrodes 400 and display the stimulation of the bladder by the two electrodes 400. For example, an electrophysiological stimulator can be used, and its specific settings can be configured according to actual conditions; this application does not impose specific limitations on it. Alternatively, a urinary nerve monitoring device or other nerve monitoring and stimulating device can be used instead of the electrophysiological monitoring device, depending on the treatment needs of the actual catheterization process; this application does not impose specific limitations on it either.
[0033] The catheter 100, catheter tip 101, and balloon 300 are all made of electrically conductive silicone rubber. The conductive particles in the silicone rubber ensure that the catheter 100, catheter tip 101, and balloon 300 have good conductivity, meeting the requirements for signal detection and stimulation.
[0034] The adjustable catheterization device provided in this application inserts one end of the catheter 100, which is equipped with a catheter head 101 and a balloon 300, into the patient's bladder. By filling the balloon 300 with a medium to inflate it, the catheter 100 is secured within the patient's bladder, thus ensuring the stability of the catheterization process. Furthermore, the rate and on / off state of urine output from the catheter 100 can be adjusted by regulating the switch body 200, thereby simulating the natural urination cycle to expel urine from the patient. This trains the patient's bladder, improves bladder muscle tone, and facilitates the recovery of the patient's ability to urinate independently. The switch body 200 is also easy to operate; the patient can operate it themselves. Furthermore, the urinary catheter 100, the catheter head 101, and the balloon 300 in this application are all made of electrically conductive silicone rubber. Two electrodes 400 with opposite polarities, both extending into the catheter head 101, are disposed within the urinary catheter 100. The ends of the two electrodes 400 located outside the urinary catheter 100 are respectively connected to the positive and negative terminals of an electrophysiological monitoring device. The current provided by the electrophysiological monitoring device is transmitted to the patient's bladder via the two electrodes 400 with opposite polarities and the urinary catheter 100, catheter head 101, and balloon 300 located within the patient's bladder. This achieves electrical stimulation of the nerve tissue surrounding the patient's bladder, thereby improving the recovery efficiency of the patient's bladder's ability to voluntarily urinate. In other words, compared with the existing catheter 100 catheterization method, this application accelerates the recovery of the patient's ability to urinate independently by adjusting the switch body 200 and the electrode 400. As the patient's ability to urinate independently recovers, the catheter 100 can be removed from the patient's bladder, thereby avoiding the situation where the catheter 100 is left in the patient's bladder for a long time, thus reducing the risk of urinary tract infection.
[0035] It should be noted that the adjustable catheter device in this application is mainly used after surgery. When the catheter device is used under anesthesia or during surgery, the switch body can be replaced with a catheter bag.
[0036] In some embodiments, reference Figure 1 , Figure 2 and Figure 3 In this application, a medium filling tube 102 is provided through the tube body near the other end of the urinary catheter 100; specifically, one end of the medium filling tube 102 located inside the urinary catheter 100 extends along the length direction of the urinary catheter 100 and passes through the urinary catheter 100 to communicate with the balloon 300, and the other end located outside the urinary catheter 100 is provided with a first sealing plug 1021.
[0037] In the above embodiment, by injecting saline solution into the medium filling tube 102, the saline solution enters the balloon 300 until the balloon 300 inflates, and the first sealing plug 1021 blocks the end of the medium filling tube 102 outside the catheter 100, the catheter 100 is fixed in the patient's bladder by the inflated balloon 300, thereby achieving the stability of the catheter 100 during the catheterization process.
[0038] In some embodiments, reference Figure 1 , Figure 2 and Figure 3 In this application, a flushing pipe 103 is also provided through the tube body near the other end of the urinary catheter 100; specifically, the end of the flushing pipe 103 located inside the urinary catheter 100 extends along the length of the urinary catheter 100 and is close to the catheter head 101, and the end located outside the urinary catheter 100 is provided with a second sealing plug 1031.
[0039] In the above embodiment, cleaning fluid is introduced into the flushing pipe 103. After entering the flushing pipe 103, the cleaning fluid sprays out from the end of the flushing pipe 103 located inside the catheter 100 and enters the catheter 100. Simultaneously, the cleaning fluid flows out of the catheter 100, flushing away any adhering substances and other contaminants within the catheter 100. This cleans the catheter 100, reducing bacterial growth and lowering the risk of urinary tract infection for the patient. Furthermore, the flushing pipe 103 and the catheter 100 are two independent channels, preventing the mixing of flushing fluid and urine and ensuring effective flushing. After the flushing process of the catheter 100 is completed, a second sealing plug 1031 is placed on the end of the flushing pipe 103 outside the catheter 100 to prevent impurities and other foreign objects from entering the flushing pipe 103 and causing blockage, thus affecting its future use. Since the patient's recovery process often takes a period of time, and the patient may need to use a urinary catheter 100 during this period, and in the case of cloudy urine, in order to avoid the formation of urine crystals that adhere to the urinary catheter 100 and cause blockage, flushing fluid is injected into the flushing channel 103 to flush the urinary catheter 100.
[0040] In some embodiments, reference Figure 2 , Figure 3 and Figure 4In this application, the flushing pipe 103 is located inside the catheter 100, with the end near the catheter head 101 being a blind end. Multiple flushing ports 1032 are provided on the outer peripheral wall of the end near the catheter head 101. This ensures that during the flushing of the catheter 100, the risk of urine entering the flushing pipe 103 is reduced, avoiding the possibility of contamination of the flushing pipe 103. The number of flushing ports can be set according to actual needs, and this application does not impose a specific limitation on it.
[0041] In addition, this application sets the end of the flushing pipe 103 located inside the catheter 100 and close to the catheter head 101 as a blind end, and sets multiple flushing ports 1032 on the outer peripheral wall of the end of the flushing pipe 103 close to the catheter head 101. The purpose is to prevent a large amount of urine from entering the flushing pipe 103 through the end of the flushing pipe 103 located inside the catheter 100. During the flushing process, flushing fluid is continuously injected into the flushing pipe 103 and sprayed out into the catheter head 101 through the multiple flushing ports 1032 and discharged from the catheter 100 along with the urine (during the flushing of the catheter 100, the regulating switch body 200 is always in the open state). That is to say, the discharge of urine is opposite to the diffusion direction of the flushing fluid. After the flushing process is completed, the flushing pipe 103 is still filled with flushing fluid, and the end outside the catheter 100 is blocked by the second sealing plug 1031. In this way, even if urine flows through the flushing port 1032 during the discharge process, it will not enter the flushing pipe 103. Even if a small amount of urine enters the flushing pipe 103, during the next flushing process, the small amount of urine that entered the flushing pipe 103 will also enter the catheter 100 through the flushing port 1031 along with the flushing fluid. This will not affect the catheterization process or the flushing process of the catheter 100.
[0042] In some embodiments, reference Figure 2 and Figure 3 The regulating switch body 200 in this application includes a fixed outer cylinder 201 with one end open, a third sealing plug 202, and a pressing rod 203. Specifically, an inlet 2011 and a drain 2012 are respectively provided on opposite side walls at the same height of the fixed outer cylinder 201. The inlet 2011 is sealed and connected to the other end of the catheter 100, and a drain pipe 500 is sealed and connected to the drain 2012. The third sealing plug 202 is disposed inside the fixed outer cylinder 201 and connected to one end of the pressing rod 203. The other end of the pressing rod 203 is located outside the fixed outer cylinder 201 and is used to drive the third sealing plug 202 to move back and forth along the length of the fixed outer cylinder 201 to open or close the inlet 2011.
[0043] In the above embodiment, pressing the pressing rod 203 causes the pressing rod 203 to drive the third sealing plug 202 to move vertically up and down along the inner peripheral wall of the fixed outer cylinder 201, thereby blocking or exposing the inlet 2011 with the third sealing plug 202, realizing intermittent urination of the patient, simulating the natural urination cycle to discharge the patient's urine. This can train the patient's bladder, improve the tension of the patient's bladder muscles, and facilitate the recovery of the patient's ability to urinate independently. Moreover, the adjustment switch body 200 is easy to operate, that is, the patient can operate the adjustment switch body 200 by himself.
[0044] In some embodiments, reference Figures 1 to 4 The catheter head 101 in this application is ellipsoidal and has a drainage hole 1011.
[0045] In the above embodiments, the ellipsoidal catheter tip 101 facilitates the insertion of the catheter 100 into the patient's bladder, and the drainage hole 1011 on it allows urine to enter the catheter 101 through it, thus achieving urine drainage. In order to ensure catheterization efficiency, there may be multiple drainage holes 1011, which can be set according to the actual situation, and this application does not make specific limitations on them.
[0046] In some embodiments, the two electrodes 400 in this application are spirally printed on the inner wall of the catheter 100 and the inner wall of the catheter tip 101. The two electrodes 400 are parallel to each other and spirally printed on the inner wall of the catheter 100 in the same direction. Both electrodes 400 are made of electro-silicone rubber, and the conductive particles in the electro-silicone rubber ensure good conductivity, meeting the requirements for signal detection and stimulation. Furthermore, electrode 400 printing typically requires screen printing technology to uniformly print conductive silver paste onto the inner wall of the catheter 100. Alternatively, electrode 400 printing can also be achieved through screen printing of liquefied conductive materials, drawing conductive fibers, etc. In other words, the method of printing electrodes 400 on the inner peripheral wall of the catheter 100 in this application is prior art; therefore, it will not be specifically described here.
[0047] In the above embodiments, the two electrodes 400 are printed in a spiral shape on the inner wall of the catheter 100 and the inner wall of the catheter head 101. This not only makes full use of the internal space of the catheter 100, but also allows the electrodes 400 to cover the nerve tissue around the urethra and bladder more extensively, thereby achieving precise stimulation.
[0048] In some embodiments, the outer walls of the catheter 100, catheter tip 101, and balloon 300 in this application are all provided with a hydrophilic coating. The hydrophilic coating is mainly composed of a topcoat solution and a basecoat solution. The topcoat solution mainly includes components such as PVP (polyvinylpyrrolidone), anhydrous ethanol, and ultrapure water, while the basecoat solution mainly includes components such as 2-hydroxy-4'-(2-hydroxyethoxy)-2-methylphenylacetone and anhydrous ethanol.
[0049] In the above embodiments, by coating the outer walls of the catheter 100, catheter head 101 and balloon 300 with a hydrophilic coating, the smoothness of the catheter 100, catheter head 101 and balloon 300 inserted into the patient's bladder is improved, making it easier to insert into the patient's bladder and reducing friction between them and the patient's bladder, thereby improving the patient's comfort.
[0050] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.
Claims
1. A urinary catheterization device with adjustable function, characterized in that, include: A urinary catheter (100) is provided with a catheter head (101) at one end for introducing urine into it, and an adjustment switch body (200) at the other end for adjusting the rate and on / off state of the urine discharged from the other end of the urinary catheter (100). A balloon (300) is disposed on the outer peripheral wall of the catheter (100) near the catheter head (101) and is capable of being filled with a medium to secure the catheter (100) in the patient's bladder; Two electrodes (400) with opposite polarities, one end of each electrode (400) passing through the catheter (100) and extending along the length of the catheter (100) into the catheter head (101), and the ends of each electrode (400) outside the catheter (100) being used to connect to the positive and negative electrodes of the electrophysiological monitoring device, respectively. The catheter (100), the catheter head (101), and the balloon (300) are all made of charged silicone rubber.
2. The urinary catheterization device with adjustable function according to claim 1, characterized in that, A medium-filled tube (102) is provided through the tube body near the other end of the catheter (100). The medium filling tube (102) extends along the length of the catheter (100) and passes through the catheter (100) to communicate with the balloon (300), and the end of the medium filling tube (102) located inside the catheter (100) is provided with a first sealing plug (1021).
3. The urinary catheterization device with adjustable function according to claim 1, characterized in that, A flushing pipe (103) is also provided through the tube body near the other end of the catheter (100). The flushing pipe (103) extends along the length of the catheter (100) and close to the catheter head (101) at one end inside the catheter (100), and a second sealing plug (1031) is provided at the other end outside the catheter (100).
4. The urinary catheterization device with adjustable function according to claim 3, characterized in that, The flushing pipe (103) is located inside the catheter (100) and the end near the catheter head (101) is a blind end, and a plurality of flushing ports (1032) are provided on the outer peripheral wall of the end near the catheter head (101).
5. The urinary catheterization device with adjustable function according to claim 1, characterized in that, The regulating switch body (200) includes a fixed outer cylinder (201) with one end open, a third sealing plug (202) and a pressing rod (203). An inlet (2011) and a outlet (2012) are respectively provided on opposite side walls at the same height of the fixed outer cylinder (201). The inlet (2011) is sealed and connected to the other end of the catheter (100). An outlet (2012) is sealed and connected to an outlet pipe (500). The third sealing plug (202) is disposed inside the fixed outer cylinder (201) and connected to one end of the pressing rod (203). The other end of the pressing rod (203) is located outside the fixed outer cylinder (201) and is used to drive the third sealing plug (202) to move back and forth along the length of the fixed outer cylinder (201) to open or close the inlet (2011).
6. The urinary catheterization device with adjustable function according to claim 1, characterized in that, The catheter head (101) is ellipsoidal and has a drainage hole (1011) on it.
7. The urinary catheterization device with adjustable function according to claim 1, characterized in that, Both electrodes (400) are spirally printed on the inner wall of the catheter (100) and the inner wall of the catheter tip (101).
8. The urinary catheterization device with adjustable function according to any one of claims 1 to 7, characterized in that, The outer walls of the catheter (100), the catheter head (101), and the balloon (300) are all provided with a hydrophilic coating.