Device for catheter friction testing

Abstract

The utility model provides a device for catheter friction force test relates to catheter friction force test technical field, the utility model discloses a support, one side of support is equipped with the controller, one side of controller is equipped with the display screen, one side of support is equipped with the clamp, the lower extreme of support is equipped with the water tank, the utility model discloses a cleaning device can clean the water remaining on the surface of catheter, avoid the water on the surface of catheter from the water tank inside and fall to the upper end of water tank and support surface under the action of gravity, lead to the situation that needs to clean the support and water tank, can continue to carry out the follow -up test, thereby improve the use effect of catheter friction force test device. By using auxiliary device, after the moisture on the surface of catheter is cleaned, blow dry is carried out, so that the catheter can be directly stored after testing, thereby improving the use effect of cleaning device.

Description

Technical Field

[0001] This utility model relates to the field of catheter friction testing, and in particular to a device for catheter friction testing. Background Technology

[0002] A catheter friction tester is used to measure and evaluate the friction between a catheter and the urethra or other tubes during use. The magnitude of the friction is very important for the design, safety, and comfort of the catheter.

[0003] During catheter friction testing, the catheter is placed inside a water tank on one side of the support to wet its surface, simulating its condition during use. A controller then activates a clamp on the support, holding one end of the catheter in place. A test block at the top of the water tank contacts the outer wall of the catheter, simulating contact between the urethral wall and the catheter. A pressure sensor inside the test block measures the friction between the catheter and the test block. The clamp moves on the support, causing the catheter to slide across the test block surface to measure friction. The test results are displayed on a screen on the controller. However, during testing, some water is carried out of the tank by the catheter. After some water contacts the test block, the remaining water falls onto the top of the tank and the support surface due to gravity when most of the catheter detaches from the tank. This necessitates cleaning the support and tank before further testing, thus affecting the effectiveness of the catheter friction testing device. Utility Model Content

[0004] The technical problem this invention aims to solve is that during the catheterization process, as the catheter carries some water out of the tank, some of the water comes into contact with the test block, while the remaining water falls onto the upper part of the tank and the surface of the support due to gravity when most of the catheter is detached from the tank. This necessitates cleaning the support and the tank before subsequent tests can continue, thus affecting the effectiveness of the catheter friction testing device.

[0005] The technical solution adopted by this utility model to solve its technical problem is: a device for testing the friction of a urinary catheter, including a bracket, a controller on one side of the bracket, a display screen on one side of the controller, a clamp on one side of the bracket, a water tank at the lower end of the bracket, a urinary catheter inside the water tank, and one side of the urinary catheter being fixed by the clamp, and a cleaning device at the upper end of the water tank, the cleaning device using a sponge block to clean the water remaining on the surface of the urinary catheter.

[0006] Preferably, the cleaning device includes a square tube, a first bolt, a placement block, a connecting plate, a second bolt, several adjustment holes on one side of the connecting plate, and a sponge block. The square tube is located at the upper end of the water tank. The first bolt is inserted into one side of the square tube to connect with the placement block by threads. The connecting plate is inserted into one side of the placement block. The second bolt is inserted into the side of the placement block away from the square tube and reaches the interior of the adjustment holes on the surface of the connecting plate to fix the connecting plate by threads. The sponge block is located on the side of the connecting plate away from the placement block, and the size of the sponge block is adapted to the size of the catheter.

[0007] Preferably, two guide plates are inclinedly provided at the upper end of the square tube, and the two guide plates guide the movement trajectory of the placement block.

[0008] Preferably, the connecting plate is provided with a reinforcing plate on the side near the sponge block to improve the strength of the connecting plate on the side near the sponge block.

[0009] Preferably, the sponge block has an inclined groove on the side near the water tank to increase the size of one side of the sponge block.

[0010] Preferably, the upper end of the placement block is provided with an auxiliary device, which includes an air pump, a pipe and several air outlet pipes. The air pump is located at the upper end of the placement block, one side of the pipe is connected to the air pump and the other side is located at the upper end of the sponge block, and several air outlet pipes are located on the side of the pipe near the catheter.

[0011] Preferably, a stabilizing plate is provided on one side of the pipe, and one side of the stabilizing plate is connected to the placement block to support the pipe near the sponge block.

[0012] Preferably, the side of the vent pipe furthest from the main pipe has a smaller dimension to increase the vent velocity.

[0013] In summary, the beneficial effects of this utility model are as follows:

[0014] By using the cleaning device, residual water on the surface of the catheter can be removed, preventing water carried out from inside the tank from falling onto the top of the tank and the support surface due to gravity. This avoids situations where the support and tank need to be cleaned before subsequent tests can be conducted, thus improving the effectiveness of the catheter friction testing device.

[0015] By using an auxiliary device, the surface of the urinary catheter can be dried by blowing air after the moisture is removed, so that the urinary catheter can be stored directly after testing, thereby improving the effectiveness of the cleaning device. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0017] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0018] Figure 2 This utility model Figure 1 A schematic diagram of a partial three-dimensional structure;

[0019] Figure 3 This is a three-dimensional structural diagram of the cleaning device of this utility model;

[0020] Figure 4 This utility model Figure 3 Enlarged view of point A;

[0021] Figure 5 This is a bottom-view perspective view of the cleaning device of this utility model.

[0022] Figure 6 This utility model Figure 5 A partial three-dimensional structural diagram.

[0023] Legend: 1. Bracket; 2. Controller; 3. Display screen; 4. Clamp; 5. Water tank; 6. Test block; 7. Cleaning device; 71. Square tube; 72. First bolt; 73. Placement block; 74. Connecting plate; 75. Second bolt; 76. Adjustment hole; 77. Sponge block; 78. Guide plate; 79. Reinforcing plate; 710. Inclined groove; 8. Auxiliary device; 81. Air pump; 82. Pipe; 83. Air outlet pipe; 84. Stabilizing plate; 9. Urinary catheter. Detailed Implementation

[0024] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, illustrating only the basic structure of the present invention, and therefore only show the components relevant to the present invention.

[0025] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" or "linked" should be interpreted broadly. For example, it can refer to a fixed connection, a detachable connection, or an integral connection; it can refer to a mechanical connection or an electrical connection; it can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0026] Figures 1 to 6The device shown for testing the friction of a urinary catheter includes a support 1, a controller 2 on one side of the support 1, a display screen 3 on one side of the controller 2, a clamp 4 on one side of the support 1, a water tank 5 at the lower end of the support 1, a urinary catheter 9 inside the water tank 5, and one side of the urinary catheter 9 is fixed by the clamp 4. A cleaning device 7 is provided at the upper end of the water tank 5. The cleaning device 7 cleans the water remaining on the surface of the urinary catheter 9 through a sponge block 77.

[0027] Figures 1 to 6 As shown, during the friction test of the catheter 9, the catheter 9 is placed inside the water tank 5 on one side of the support 1 to wet its surface, simulating the surface state of the catheter 9 during use. Then, the controller 2 activates the clamp 4 on one side of the support 1, clamping one end of the catheter 9 onto the support 1. The test block 6 at the top of the water tank 5 contacts the outer wall of the catheter 9, simulating the contact between the urethral wall and the catheter 9. The pressure sensor inside the test block 6 is used to test the friction between the catheter 9 and the test block 6. Then, the clamp 4 moves on the support 1, causing the catheter 9 to slide on the surface of the test block 6 to test the friction of the catheter 9. The test results are output through the display screen 3 on the surface of the controller 2 on one side of the support 1. After the catheter 9 passes the test block 6, the cleaning device 7 cleans the residual water on the surface of the catheter 9.

[0028] Figures 1 to 6 The cleaning device 7 shown includes a square tube 71, a first bolt 72, a placement block 73, a connecting plate 74, a second bolt 75, several adjustment holes 76 on one side of the connecting plate 74, and a sponge block 77. The square tube 71 is located at the upper end of the water tank 5. The first bolt 72 is inserted into one side of the square tube 71 to be threadedly connected to the placement block 73. The connecting plate 74 is inserted into one side of the placement block 73. The second bolt 75 is inserted into the side of the placement block 73 away from the square tube 71 and reaches the inside of the adjustment holes 76 on the surface of the connecting plate 74 to thread-fix the connecting plate 74. The sponge block 77 is located on the side of the connecting plate 74 away from the placement block 73, and the size of the sponge block 77 is adapted to the size of the catheter 9.

[0029] Figures 1 to 6When using the cleaning device 7, the placement block 73 is moved so that one side of the placement block 73 is inserted into the square tube 71 fixed at the upper end of the water tank 5. Then, the first bolt 72 is rotated so that the first bolt 72 passes through the square tube 71 and is threadedly fixed to the placement block 73. Then, the connecting plate 74 is moved so that one side of the connecting plate 74 slides inside the placement block 73, so that the sponge block 77 fixed on the side of the connecting plate 74 away from the placement block 73 is positioned at the upper end of the catheter 9 inside the water tank 5, and the sponge block 77 is positioned between the test block 6 and the clamp 4. Then, the second bolt 75 is rotated so that the second bolt 75 passes through the placement block 73 and reaches the adjustment hole 76 on one side of the connecting plate 74 for threaded fixing, thus completing the connection plate... The positions of 74 and sponge block 77 are fixed, and then the urinary catheter 9 passes through the sponge block 77. The sponge block 77 is attached to the outer wall of the urinary catheter 9, and one end of the urinary catheter 9 is clamped by the clamp 4. Then the clamp 4 pulls the urinary catheter 9. When the test block 6 tests the urinary catheter 9, the sponge block 77 cleans the residual water on the surface of the urinary catheter 9. By using the cleaning device 7, the residual water on the surface of the urinary catheter 9 can be cleaned, avoiding the water brought out from the inside of the water tank 5 from the surface of the urinary catheter 9 from falling onto the upper end of the water tank 5 and the surface of the support 1 due to gravity. This would require cleaning the support 1 and the water tank 5 before subsequent tests can be carried out, thereby improving the effectiveness of the urinary catheter 9 friction testing device.

[0030] Figures 1 to 6 Two guide plates 78 are inclinedly arranged at the upper end of the square tube 71 shown, guiding the movement trajectory of the placement block 73. By fixing the two guide plates 78 at an angle to the upper end of the square tube 71, the placement block 73 is guided to its movement trajectory when it reaches the entrance of the square tube 71, making it easier for the placement block 73 to be inserted into the square tube 71 for subsequent fixation. A reinforcing plate 79 is provided on the side of the connecting plate 74 near the sponge block 77 to increase the strength of this side. The reinforcing plate 79, fixed to the side of the connecting plate 74 near the sponge block 77, increases the strength of this side, preventing deformation of the connecting plate 74 near the sponge block 77 under stress, which could affect the use of the sponge block 77. A sloping groove 710 is formed on the side of the sponge block 77 near the water tank 5 to increase the size of this side of the sponge block 77. By creating a slanted groove 710 on the side of the sponge block 77 near the water tank 5, the size of one side of the sponge block 77 is increased, allowing the sponge block 77 to be better penetrated by the catheter 9, thereby improving the performance of the sponge block 77.

[0031] Figures 1 to 6The placement block 73 shown is equipped with an auxiliary device 8 at its upper end. The auxiliary device 8 includes an air pump 81, a pipe 82, and several air outlet pipes 83. The air pump 81 is located at the upper end of the placement block 73. One side of the pipe 82 is connected to the air pump 81, and the other side is located at the upper end of the sponge block 77. The several air outlet pipes 83 are located on the side of the pipe 82 near the catheter 9. Before using the cleaning device 7, the air pump 81 is fixed to the upper end of the placement block 73, and the pipe 82 is fixed to the air pump 81. At this time, the several air outlet pipes 83 fixed on one side of the pipe 82 are located at the upper end of the sponge block 77. When the catheter 9 passes through the sponge block 77, it will also pass through the pipe 82. Then, the air pump 81 is started, so that the air pump 81 sends air into the pipe 82 and finally discharges it through the air outlet pipes 83. Then, the air dries the surface of the catheter 9. By using the auxiliary device 8, the surface of the catheter 9 can be dried by blowing air after the moisture is removed, so that the catheter 9 can be directly stored after testing, thereby improving the use effect of the cleaning device 7.

[0032] Figures 1 to 6 A stabilizing plate 84 is provided on one side of the pipe 82, and one side of the stabilizing plate 84 is connected to the placement block 73 to support the pipe 82 near the sponge block 77. By fixing the two ends of the stabilizing plate 84 to the sponge block 77 and the placement block 73 respectively, the pipe 82 near the sponge block 77 is supported, making the pipe 82 more stable in use. The exhaust pipe 83 has a smaller dimension on the side furthest from the pipe 82 to increase the airflow velocity. This smaller dimension on the side of the exhaust pipe 83 increases the gas flow rate, improves the gas injection effect, and allows the gas to be distributed more evenly and efficiently to the target area, thereby improving the performance of the exhaust pipe 83.

[0033] Working principle: When conducting the friction test of the urinary catheter 9, the urinary catheter 9 is placed inside the water tank 5 on one side of the support 1 to wet the surface of the urinary catheter 9, simulating the surface state of the urinary catheter 9 during use. Then, the controller 2 activates the clamp 4 on one side of the support 1, so that one end of the urinary catheter 9 is clamped by the clamp 4 on the support 1, and the test block 6 at the upper end of the water tank 5 contacts the outer wall of the urinary catheter 9 to simulate the contact between the urethral wall and the urinary catheter 9. The pressure sensor inside the test block 6 is used to test the friction between the urinary catheter 9 and the test block 6. Then, the clamp 4 moves on the support 1 to drive the urinary catheter 9 to slide on the surface of the test block 6 to test the friction of the urinary catheter 9. The test results are output through the display screen 3 on the surface of the controller 2 on one side of the support 1. After the urinary catheter 9 passes through the test block 6, the cleaning device 7 cleans the residual water on the surface of the urinary catheter 9. When using the cleaning device 7, move the placement block 73 so that one side of the placement block 73 is inserted into the square tube 71 fixed at the upper end of the water tank 5. Then, rotate the first bolt 72 so that the first bolt 72 passes through the square tube 71 and is threadedly fixed to the placement block 73. Then, move the connecting plate 74 so that one side of the connecting plate 74 slides inside the placement block 73, so that the sponge block 77 fixed on the side of the connecting plate 74 away from the placement block 73 is positioned at the upper end of the catheter 9 inside the water tank 5, and the sponge block 77 is positioned between the test block 6 and the clamp 4. Then, rotate the second bolt 75 so that the second bolt 75 passes through the placement block 73 and reaches the adjustment hole 76 on one side of the connecting plate 74 for threaded fixing, thus completing the connection plate 74. The sponge block 77 is fixed in position, and then the catheter 9 passes through the sponge block 77. The sponge block 77 is attached to the outer wall of the catheter 9, and one end of the catheter 9 is clamped by the clamp 4. Then the clamp 4 pulls the catheter 9. When the test block 6 tests the catheter 9, the sponge block 77 cleans the residual water on the surface of the catheter 9. By using the cleaning device 7, the residual water on the surface of the catheter 9 can be cleaned, preventing the water brought out from the inside of the water tank 5 from falling onto the upper part of the water tank 5 and the surface of the support 1 due to gravity. This would require cleaning the support 1 and the water tank 5 before subsequent tests can be carried out, thereby improving the effectiveness of the catheter 9 friction testing device.

[0034] Before using the cleaning device 7, fix the air pump 81 to the upper end of the placement block 73, and fix the pipe 82 to the air pump 81. At this time, several air outlet pipes 83 fixed on one side of the pipe 82 are located at the upper end of the sponge block 77. When the catheter 9 passes through the sponge block 77, it will also pass through the pipe 82. Then, start the air pump 81 to send air into the pipe 82, and finally discharge it through the air outlet pipes 83. Then, the air blows and dries the surface of the catheter 9. By using the auxiliary device 8, the surface of the catheter 9 can be dried by blowing after the moisture is cleaned. After testing, the catheter 9 can be directly stored and stored, thereby improving the use effect of the cleaning device 7.

[0035] The above are merely preferred embodiments of this utility model and are not intended to limit the utility model in any other way. Any person skilled in the art may make changes or equivalent variations to the disclosed technical content and apply them to other fields. However, any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of this utility model, without departing from the scope of the utility model's technical solution, shall still fall within the protection scope of this utility model's technical solution. In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation" and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood through specific circumstances.

Claims

1. A device for testing the friction force of a urinary catheter, comprising a support (1), characterized in that: The bracket (1) has a controller (2) on one side, a display screen (3) on one side of the controller (2), a clamp (4) on one side of the bracket (1), a water tank (5) at the lower end of the bracket (1), a catheter (9) inside the water tank (5), and the catheter (9) is fixed by the clamp (4) on one side. A cleaning device (7) is provided at the upper end of the water tank (5), and the cleaning device (7) cleans the water remaining on the surface of the catheter (9) through a sponge block (77).

2. The device for testing the friction force of a urinary catheter according to claim 1, characterized in that: The cleaning device (7) includes a square tube (71), a first bolt (72), a placement block (73), a connecting plate (74), a second bolt (75), several adjustment holes (76) on one side of the connecting plate (74), and a sponge block (77). The square tube (71) is located at the upper end of the water tank (5). The first bolt (72) is inserted into one side of the square tube (71) and threadedly connected to the placement block (73). The connecting plate (74) is inserted into one side of the placement block (73). The second bolt (75) is inserted into the side of the placement block (73) away from the square tube (71) and reaches the inside of the adjustment holes (76) on the surface of the connecting plate (74) to thread-fix the connecting plate (74). The sponge block (77) is located on the side of the connecting plate (74) away from the placement block (73), and the size of the sponge block (77) is adapted to the size of the catheter (9).

3. The device for testing the friction force of a urinary catheter according to claim 2, characterized in that: Two guide plates (78) are inclinedly arranged at the upper end of the square tube (71), and the two guide plates (78) guide the movement trajectory of the placement block (73).

4. The device for testing the friction force of a urinary catheter according to claim 3, characterized in that: The connecting plate (74) is provided with a reinforcing plate (79) on the side near the sponge block (77) to enhance the strength of the connecting plate (74) on the side near the sponge block (77).

5. The apparatus for testing the friction force of a urinary catheter according to claim 4, characterized in that: The sponge block (77) has a sloping groove (710) on the side near the water tank (5) to increase the size of one side of the sponge block (77).

6. The apparatus for testing the friction force of a urinary catheter according to claim 5, characterized in that: The upper end of the placement block (73) is provided with an auxiliary device (8), which includes an air pump (81), a pipe (82) and several air outlet pipes (83). The air pump (81) is located at the upper end of the placement block (73). One side of the pipe (82) is connected to the air pump (81), and the other side is located at the upper end of the sponge block (77). Several air outlet pipes (83) are located on the side of the pipe (82) near the catheter (9).

7. The apparatus for testing the friction force of a urinary catheter according to claim 6, characterized in that: A stabilizing plate (84) is provided on one side of the pipe (82), and one side of the stabilizing plate (84) is connected to the placement block (73) to support the pipe (82) near the sponge block (77).

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