Urethral catheter for measuring bladder pressure
By designing a bladder pressure measurement catheter and employing dual testing and installation components, the problems of cumbersome and non-real-time bladder pressure testing in existing technologies have been solved, enabling real-time monitoring and accurate measurement of bladder pressure.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- TIANJIN GUANGYITONG TECH CO LTD
- Filing Date
- 2024-12-25
- Publication Date
- 2026-04-17
AI Technical Summary
Existing methods for testing bladder pressure are cumbersome, cannot achieve real-time monitoring, and cannot accurately measure bladder pressure when the patient moves.
A bladder pressure measurement catheter was designed, comprising a catheter body, a water balloon, an injection tube, a one-way valve, and a pressure testing structure. It achieves real-time monitoring of bladder pressure through dual testing components and installation components, and uses the movement of float and sealing plate to determine bladder pressure. It can be fixed to the patient's skin or the bed.
It simplifies the bladder pressure test procedure, enables real-time monitoring of bladder pressure, reduces errors, and improves the accuracy and convenience of measurement.
Smart Images

Figure CN224125956U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of medical device technology, specifically to a bladder pressure measuring catheter. Background Technology
[0002] Bladder pressure refers to the pressure within the bladder, which is usually related to the storage and emptying of urine. Bladder pressure varies under different physiological and pathological conditions and is an important parameter for measuring bladder function.
[0003] Current methods for bladder pressure testing typically involve standing the catheter upright and observing the height of the fluid rise within the catheter. This process is quite cumbersome and cannot provide real-time monitoring of the patient's bladder pressure. Furthermore, when the catheter folds due to the patient's movements, it is impossible to monitor the status of the catheter and the bladder pressure in real time, which presents certain drawbacks.
[0004] In view of this, existing technologies may already provide solutions to the above problems, but this case aims to provide an alternative or replacement technical solution. Utility Model Content
[0005] To achieve the above objectives, this utility model provides the following technical solution:
[0006] A bladder pressure measuring catheter includes a catheter body, an upper end of which is fitted with a water balloon, a lower end of which is connected to an injection tube, one end of which is connected to a one-way injection valve, and one end of the catheter body is connected to a pressure testing structure.
[0007] The pressure test structure includes: a test tube, a connecting joint, a connecting pipe, two one-way valves, a dual test assembly, and an installation assembly;
[0008] One end of the test tube is connected to one side of the catheter body. The connector is installed on one side of the test tube. One end of the connector is connected to the connector. The two one-way valves are respectively installed on both sides of the other end of the connector. The dual test assembly is connected to both sides of the other end of the connector. The mounting assembly is installed on the outside of the dual test assembly.
[0009] Preferably, the dual testing assembly includes: a first test tube, a second test tube, two top openings, a sealing gasket, an air hole, a float, a sealing plate, a mounting plate, and a spring tube;
[0010] The bottom end of the first test tube is connected to one of the one-way valves, and the bottom end of the second test tube is connected to the other one-way valve. Two top openings are respectively opened at the center of the top of the first test tube and the second test tube. The sealing gasket is embedded in the top opening at the upper end of the first test tube. The air hole is opened at the center of the sealing gasket. The float is movably embedded in the first test tube. The sealing plate is movably embedded in the second test tube. The mounting plate is fixedly installed at the upper end of the second test tube. One end of the spring tube is connected to the bottom end of the mounting plate, and the other end is connected to the top end of the sealing plate.
[0011] Preferably, the mounting assembly includes: two connecting blocks, a fixing plate, a film, and two magnetic blocks;
[0012] The two connecting blocks are respectively installed on one side of the first test tube and the second test tube. The fixing plate is fixedly installed on the outside of the two connecting blocks. The film is fixedly installed at the lower end of the fixing plate. The two magnetic blocks are respectively installed on both sides of the outer wall of the fixing plate.
[0013] Preferably, the connecting pipe is a Y-shaped connecting pipe.
[0014] Preferably, the fixing plate is L-shaped.
[0015] Preferably, both the first test tube and the second test tube have graduated plates machined on their sidewalls.
[0016] Beneficial effects
[0017] This invention provides a bladder pressure measuring catheter, which has the following beneficial effects:
[0018] The dual testing assembly used in this case delivers liquid to the first and second testing tubes respectively during use, based on bladder pressure, which propels the float and sealing plate respectively. This enables real-time monitoring of the patient's bladder pressure and reduces the difficulty of the test operation. Furthermore, the installation components allow the dual testing assembly to be fixed to the patient's skin or the upper part of the bed, which is beneficial for medical staff to monitor and observe the patient's bladder pressure. Attached Figure Description
[0019] Figure 1 This is a front-view three-dimensional structural diagram of the bladder pressure measuring catheter body of the present invention.
[0020] Figure 2 This is a bottom-view three-dimensional structural diagram of the bladder pressure measuring catheter body described in this utility model.
[0021] Figure 3This is a side sectional view of the dual testing component of the bladder pressure measuring catheter body described in this utility model.
[0022] In the diagram: 1. Catheter body, 2. Water balloon, 3. Injection tube, 4. One-way injection valve, 5. Test tube, 6. Connecting connector, 7. Connecting tube, 8. One-way valve, 9. First test tube body, 10. Second test tube body, 11. Top opening, 12. Sealing gasket, 13. Air hole, 14. Float, 15. Sealing plate, 16. Mounting plate, 17. Spring tube, 18. Connecting block, 19. Fixing plate, 20. Film, 21. Magnetic block, 22. Scale plate. Detailed Implementation
[0023] Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0024] Example: Please refer to Figure 1-3 A bladder pressure measuring catheter includes a catheter body 1, a water balloon 2 installed at the upper end of the catheter body 1, an injection tube 3 connected to the lower end of the water balloon 2, a one-way injection valve 4 connected to one end of the injection tube 3, and a pressure testing structure connected to one end of the catheter body 1.
[0025] The pressure test structure includes: test tube 5, connection joint 6, connection tube 7, two one-way valves 8, dual test assembly, and mounting assembly;
[0026] One end of the test tube 5 is connected to one side of the catheter body 1. The connector 6 is installed on one side of the test tube 5. One end of the connecting tube 7 is connected to the connector 6. Two one-way valves 8 are installed on both sides of the other end of the connecting tube 7. The dual test assembly is connected to both sides of the other end of the connecting tube 7. The mounting assembly is installed on the outside of the dual test assembly.
[0027] In use, the staff first inserts one end of the catheter body 1 into the patient's urethra, and then injects liquid into the water balloon 2 through the water injection tube 3, causing the water balloon 2 to inflate and fix the catheter body 1 in the patient's body. The one-way water injection valve 4 blocks and intercepts the liquid in the water injection tube 3 and the water balloon 2. When testing bladder pressure, a specified amount of liquid is injected through the test tube 5, and then the connecting connector 6 is connected to the connecting tube 7. The injected liquid is squeezed out by the patient's bladder pressure and enters the dual testing component through the connecting tube 7 and the two one-way valves 8. The bladder pressure of the patient can be measured by observing the scale changes of the dual testing component. The dual testing component can be attached to the patient's skin or attached to the side of the bed through the set installation component, and the installation position can be changed according to different usage needs.
[0028] In the specific implementation process, the dual test assembly includes: a first test tube 9, a second test tube 10, two top openings 11, a sealing gasket 12, an air hole 13, a float 14, a sealing plate 15, a mounting plate 16, and a spring tube 17.
[0029] The bottom end of the first test tube 9 is connected to one of the one-way valves 8, and the bottom end of the second test tube 10 is connected to another one-way valve 8. Two top openings 11 are respectively opened at the center of the top of the first test tube 9 and the second test tube 10. The sealing gasket 12 is embedded in the top opening 11 at the upper end of the first test tube 9. The air hole 13 is opened at the center of the sealing gasket 12. The float 14 is movably embedded in the first test tube 9. The sealing plate 15 is movably embedded in the second test tube 10. The mounting plate 16 is fixedly installed in the upper end of the second test tube 10. One end of the spring tube 17 is connected to the bottom end of the mounting plate 16, and the other end is connected to the top end of the sealing plate 15.
[0030] During the test, liquid is guided into the first test tube 9 and the second test tube 10 through two one-way valves 8. The float 14 rises in the first test tube 9 under the pressure of the bladder fluid. The bladder pressure is determined by the height of the water column in the first test tube 9. When the air pressure at the top of the first test tube 9 increases, the air hole 13 located at the center of the sealing pad 12 is opened to release the pressure, allowing the float 14 to move upward normally. At the same time, the liquid entering the second test tube 10 pushes the sealing plate 15 upward. The mounting plate 16 fixes the top of the spring tube 17, and the liquid pushes the sealing plate 15 to compress the spring tube 17. Finally, by observing the height of the float 14 and the sealing plate 15 in the first test tube 9 and the second test tube 10, the purpose of testing the patient's bladder pressure can be achieved.
[0031] In the specific implementation process, the installation components include: two connecting blocks 18, a fixing plate 19, a film 20, and two magnetic blocks 21;
[0032] Two connecting blocks 18 are respectively installed on one side of the first test tube 9 and the second test tube 10. The fixing plate 19 is fixedly installed on the outside of the two connecting blocks 18. The film 20 is fixedly installed at the lower end of the fixing plate 19. Two magnetic blocks 21 are respectively installed on both sides of the outer wall of the fixing plate 19.
[0033] When installing the first test tube 9 and the second test tube 10, the first test tube 9 and the second test tube 10 are bonded and fixed by the adhesive on the side walls of the two connecting blocks 18. Then, the fixing plate 19 can be connected to the patient's skin by the film 20 at the lower end of the fixing plate 19, or the fixing plate 19 can be attracted to the upper end of the bed by the two magnetic blocks 21 on one side of the fixing plate 19, so as to fix the dual test components.
[0034] In the specific implementation process, the connecting pipe 7 is a Y-shaped connecting pipe 7.
[0035] Using a Y-shaped connecting pipe 7 increases the number of output ends of the connecting pipe 7, making it easier to connect to two one-way valves and ensuring the overall liquid delivery effect.
[0036] In the specific implementation process, the fixed plate 19 is L-shaped.
[0037] The L-shaped fixing plate 19 is used to protect the bottom ends of the first test tube 9 and the second test tube 10 during use, so as to avoid damage to the bottom ends of the first test tube 9 and the second test tube 10.
[0038] In the specific implementation process, scale plates 22 are processed on the side walls of both the first test tube 5 and the second test tube 5.
[0039] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A catheter for measuring the pressure in the urinary bladder, comprising a catheter body (1), characterized in that, The upper end of the catheter body (1) is equipped with a water balloon (2), the lower end of the water balloon (2) is connected to a water injection tube (3), one end of the water injection tube (3) is connected to a one-way water injection valve (4), and one end of the catheter body (1) is connected to a pressure testing structure. The pressure test structure includes: a test tube (5), a connecting joint (6), a connecting tube (7), two one-way valves (8), a dual test assembly, and an installation assembly; One end of the test tube (5) is connected to one side of the catheter body (1), the connecting connector (6) is installed on one side of the test tube (5), one end of the connecting tube (7) is connected to the connecting connector (6), two one-way valves (8) are respectively installed on both sides of the other end of the connecting tube (7), the dual test assembly is connected to both sides of the other end of the connecting tube (7), and the installation assembly is installed on the outside of the dual test assembly.
2. The bladder pressure measuring urinary catheter according to claim 1, characterized in that, The dual test assembly includes: a first test tube (9), a second test tube (10), two top openings (11), a sealing gasket (12), an air hole (13), a float (14), a sealing plate (15), a mounting plate (16), and a spring tube (17); The bottom end of the first test tube (9) is connected to one of the one-way valves (8), and the bottom end of the second test tube (10) is connected to the other one-way valve (8). Two top openings (11) are respectively opened at the center of the top of the first test tube (9) and the second test tube (10). The sealing gasket (12) is embedded in the top opening (11) at the upper end of the first test tube (9). The air hole (13) is opened at the center of the sealing gasket (12). The float (14) is movably embedded in the first test tube (9). The sealing plate (15) is movably embedded in the second test tube (10). The mounting plate (16) is fixedly installed in the upper end of the second test tube (10). One end of the spring tube (17) is connected to the bottom end of the mounting plate (16), and the other end is connected to the top end of the sealing plate (15).
3. The bladder pressure measuring urinary catheter according to claim 2, characterized in that The mounting assembly includes: two connecting blocks (18), a fixing plate (19), a film (20), and two magnetic blocks (21); The two connecting blocks (18) are respectively installed on one side of the first test tube (9) and the second test tube (10). The fixing plate (19) is fixedly installed on the outside of the two connecting blocks (18). The film (20) is fixedly installed on the lower end of the fixing plate (19). The two magnetic blocks (21) are respectively installed on both sides of the outer wall of the fixing plate (19).
4. The bladder pressure measuring urinary catheter according to claim 1, characterized in that, The connecting pipe (7) is a Y-shaped connecting pipe (7).
5. The bladder pressure measuring urinary catheter according to claim 3, characterized in that, The fixed plate (19) is L-shaped.
6. The bladder pressure measuring urinary catheter according to claim 2, characterized in that, Both the first test tube (9) and the second test tube (10) have scale plates (22) machined on their side walls.