Cardiovascular implant real-time wear test device

Abstract

The invention relates to the technical field of cardiovascular implant abrasion tests, in particular to a cardiovascular implant real-time abrasion test device which comprises a shell and a controller, an opening and closing door is arranged on the shell, an upper piston box, a liquid storage box and a lower piston box are arranged in the shell, a mounting plate is arranged on the upper piston box, and a simulated heart is arranged in the upper piston box. A monitoring assembly is arranged on the upper piston box, and the liquid storage box communicates with the interior of the lower piston box. A driving part is arranged on the liquid storage tank, a cam is arranged on an output shaft of the driving part, a swing rod is arranged on the cam, a swing frame is arranged on the swing rod, and a transmission assembly is arranged in the swing frame; a limiting assembly and an adjusting assembly are arranged in the shell, the limiting assembly is located below the monitoring assembly, and the adjusting assembly is located on one side of the limiting assembly; a simulation assembly is arranged in the shell and located on one side of the monitoring assembly. According to the invention, the swing frequency of the transmission rod is adjusted through the adjusting assembly, and the wear conditions of cardiovascular implants under different heart rates can be simulated.

Description

Technical Field

[0001] The invention relates to the technical field of cardiovascular implant wear testing, and in particular to a cardiovascular implant real-time wear testing device. Background Art

[0002] Cardiovascular implants, such as artificial heart valves and intravascular devices, are affected by various factors such as blood flow and heartbeat during long-term operation in the body, resulting in wear and tear. In order to evaluate the service life and safety of these implants, real-time wear tests are required. Currently, a variety of real-time wear test devices for cardiovascular implants have been developed and applied in actual testing. They can simulate an environment that is highly close to the normal pulsation and blood flow of the human heart, providing a reliable basis for evaluating the service life of cardiovascular implants such as artificial heart valves.

[0003] Although some existing real-time wear testing devices for cardiovascular implants can realize the wear monitoring function to a certain extent, during the test process, parameters may need to be adjusted according to actual conditions. Some existing wear testing devices may lack the flexibility of parameter adjustment, resulting in the inability of staff to accurately control the test conditions, thereby affecting the reliability of the test results.

[0004] In summary, some existing real-time wear test devices for cardiovascular implants may have deficiencies in the flexibility of parameter adjustment, which may affect the reliability of test results and has become a difficult problem that needs to be solved urgently in this field. Therefore, it is necessary to propose a real-time wear test device for cardiovascular implants. Summary of the Invention

[0005] To address these issues, the present invention provides a real-time wear testing device for cardiovascular implants. By employing a design in which upper and lower piston plates slide vertically within upper and lower piston housings, respectively, the device simulates the pumping function of the heart. This not only enhances the realism of the simulated heart but also facilitates simulation of implant performance under varying pressures. Furthermore, by adjusting the swing frequency of the transmission rod via an adjustment component, wear of cardiovascular implants can be tested at varying heart rates, making the test more flexible and adaptable to diverse testing needs.

[0006] In order to achieve the above-mentioned objectives, the technical solution of the present invention is as follows: a real-time wear test device for cardiovascular implants, comprising a shell and a controller, an opening and closing door symmetrically hinged on one side of the shell, an upper piston box fixedly connected to the inner wall of the shell, a mounting plate hinged on one side of the upper piston box, a simulated heart detachably connected to the inner wall of the upper piston box, the interior of the simulated heart being filled with simulated blood, and a monitoring component for monitoring the real-time wear of the cardiovascular implant being provided on the upper piston box.

[0007] The bottom wall of the outer shell is fixedly connected to the liquid storage tank and the lower piston box. The side wall of the liquid storage tank is connected to a liquid injection one-way valve. The inside of the liquid storage tank is also filled with simulated blood. The side wall of the liquid storage tank is connected to a circulation one-way valve. The liquid storage tank is connected to the inside of the lower piston box through the circulation one-way valve.

[0008] A driving member is fixedly connected to the top of the liquid storage tank, and a controller is used to control the rotation of the output shaft of the driving member. A cam is fixedly connected to the output shaft of the driving member. The cam is eccentrically rotated on the side away from the output shaft of the driving member and is matched with a swing rod. The end of the swing rod away from the cam is fixedly connected to a swing frame, and a transmission assembly is provided in the swing frame.

[0009] The transmission assembly includes a transmission rod rotatably engaged with the inner side wall of the swing frame, and the two ends of the transmission rod are respectively fixedly connected with an adjusting tooth block and a transmission tooth block, the transmission tooth block is engaged with a transmission rack, the transmission rack is fixedly connected to a moving rod on the side away from the transmission tooth block, and the moving rod is fixedly connected to a driven rack on the side away from the transmission rack. A limit assembly for improving the stability of the moving rod is provided on one side of the driven rack, and the limit assembly is located below the monitoring assembly.

[0010] One side of the adjusting gear block is provided with an adjusting component for adjusting the swing frequency of the transmission rod, and the adjusting component is located on one side of the limiting component.

[0011] The two ends of the moving rod are fixedly connected with the upper piston rod and the lower piston rod respectively. The upper piston rod and the lower piston rod extend into the upper piston box and the lower piston box respectively and are fixedly connected with the upper piston plate and the lower piston plate respectively. The upper piston plate and the lower piston plate are vertically slidably matched with the inner side wall of the upper piston box and the inner side wall of the lower piston box respectively.

[0012] A simulation component for simulating microbial infection is provided on the inner wall of the shell, and the simulation component is located on one side of the monitoring component.

[0013] The technical principles of the above solution are as follows:

[0014] The staff implanted the cardiovascular implant into the simulated heart, installed the simulated heart in the upper piston box, filled the reservoir tank with simulated blood through the injection one-way valve, and completed the preparation operation.

[0015] The operator controls the output shaft of the driver through a controller. This shaft drives the cam, which in turn drives the swing arm, which in turn drives the swing frame. The swing frame swings the transmission rod up and down, which in turn drives the transmission gear block up and down, which in turn drives the transmission rack up and down. The transmission rack drives the moving rod up and down, which in turn drives the driven rack, upper piston rod, and lower piston rod up and down.

[0016] During this process, the driven rack drives the limiter assembly, improving the stability of the moving rod. The upper piston rod slides vertically within the upper piston box, repeatedly pushing against the simulated heart to simulate a real heartbeat. The lower piston rod drives the simulation assembly, simulating the effects of microbial infection on cardiovascular implants. During this process, the monitoring assembly monitors the wear of the cardiovascular implant.

[0017] When the beating rate of the simulated heart needs to be adjusted, the staff drives the regulating component to adjust it.

[0018] The above scheme has the following beneficial effects:

[0019] 1. This invention simulates the pumping function of a heart by designing an upper piston plate and a lower piston plate that slide vertically within the upper and lower piston boxes, respectively. This not only enhances the realism of the simulated heart but also facilitates simulation of implant performance under varying pressure conditions. Furthermore, by adjusting the swing frequency of the transmission rod through an adjustment assembly, wear of cardiovascular implants can be tested at varying heart rates, making testing more flexible and meeting diverse testing requirements.

[0020] 2. The simulation component of this invention can simulate microbial infection conditions and evaluate the performance of cardiovascular implants in such environments. This simulation helps understand the adaptability of cardiovascular implants in complex biological environments and provides data support for further optimization of cardiovascular implants.

[0021] 3. The present invention, through the monitoring component provided on the upper piston box, can monitor the wear of the cardiovascular implant in real time during the simulated heartbeat and blood circulation process, helping to promptly discover potential problems of the cardiovascular implant and improve the safety and reliability of the cardiovascular implant.

[0022] Furthermore, a display assembly is provided on the side wall of the shell, and the display assembly includes a display screen fixedly connected to the outer side wall of the shell. The controller is used to control the display screen to display the wear condition of the cardiovascular implant.

[0023] Benefit: Through the data displayed on the display, staff can more clearly understand the wear of cardiovascular implants under different conditions. This data visualization facilitates more in-depth analysis and comparison, providing strong support for the optimization of cardiovascular implants.

[0024] Furthermore, the monitoring component includes an OCT endoscope fixedly connected to the top of the upper piston box, the OCT endoscope is electrically connected to a probe, the probe is detachably connected to the inside of the simulated heart, and the controller is electrically connected to a cloud processor. The controller is used to receive image information obtained by the OCT endoscope through the probe to monitor the internal conditions of the simulated heart, and send the image information to the cloud processor. The cloud processor analyzes the image information to obtain wear information of the cardiovascular implant, and sends the wear information to the controller. The controller displays the wear of the cardiovascular implant in real time through the display screen.

[0025] Benefits: The OCT endoscope, with its high resolution and 3D imaging capabilities, can accurately capture the wear and tear of cardiovascular implants within the simulated heart, improving the sensitivity and accuracy of testing. Furthermore, the probe's detachable connection to the simulated heart allows for convenient probe replacement, cleaning, and maintenance, enhancing the reliability and durability of the test device.

[0026] Furthermore, the limiting assembly includes a sliding frame fixedly connected to the inner side wall of the housing, the inner side wall of the sliding frame is vertically slidably matched with a sliding frame, a gear is rotatably matched in the sliding frame, and the gear is engaged with the driven rack.

[0027] Benefits: The limit assembly provides a stable transmission path for the moving rod through the meshing of the gear and the driven rack. This design helps reduce shaking and deviation during the transmission process, ensuring that the moving rod can move smoothly and accurately.

[0028] Furthermore, the adjustment assembly includes an adjustment rack meshed with the adjustment tooth block, the adjustment rack is fixedly connected to an adjustment plate on the side away from the adjustment tooth block, the adjustment plate is fixedly connected to an extension rod on the side away from the adjustment rack, a through hole is opened on the side wall of the shell, the extension rod extends through the through hole to the outside of the shell and is fixedly connected to a toggle block, and the toggle block is vertically slidably matched with the outer wall of the shell.

[0029] Beneficial Effects: By manually moving the toggle block, the position of the extension rod and adjustment plate can be easily adjusted, thereby changing the meshing position of the adjustment rack and adjustment gear block. This design allows personnel to flexibly adjust the swing frequency of the transmission rod, thereby simulating the wear of cardiovascular implants at different heart rates, thereby improving the flexibility of the device.

[0030] Furthermore, the simulation component includes a simulation box fixedly connected to the inner wall of the outer shell, the simulation box is filled with microorganisms, the bottom wall and the top wall of the simulation box are respectively connected to the liquid inlet one-way valve and the liquid outlet one-way valve, and the simulation box is respectively connected to the interior of the lower piston box and the interior of the simulated heart through the liquid inlet one-way valve and the liquid outlet one-way valve.

[0031] Beneficial effects: The addition of simulation components enables the test device to simultaneously evaluate the effects of mechanical wear and microbial infection on cardiovascular implants, making it possible to evaluate the durability of cardiovascular implants in complex biological environments.

[0032] Furthermore, a stabilizing component is provided at the bottom of the shell, and the stabilizing component includes an anti-slip pad fixedly connected to the bottom of the shell.

[0033] Beneficial effect: The anti-slip pad can increase the friction between the shell and the placement surface, effectively preventing the test device from sliding or tilting during the test, and improving the stability of the test device.

[0034] Furthermore, a supplementary one-way valve is connected to the side wall of the simulation box, and the simulation box is connected to the outside of the shell through the supplementary one-way valve.

[0035] Beneficial effects: Workers can directly add microorganisms to the simulation box through the one-way valve without having to use other means to operate, which improves the convenience of the test device.

[0036] Furthermore, the internal structure of the simulated heart is identical to that of the human heart.

[0037] Benefit: By using a simulated heart that is structurally identical to a real heart, researchers can gain a deeper understanding of how cardiovascular implants perform in the human body, identifying potential problems and areas for improvement.

[0038] Furthermore, scale lines are engraved on the outer wall of the shell located on one side of the through hole.

[0039] Beneficial effect: The existence of the scale line provides an intuitive reference standard for the staff, so that when adjusting the toggle block, its position can be controlled more accurately, thereby accurately controlling the swing rate of the transmission rod.

[0040] Additional aspects and advantages of the present invention will be set forth in part in the description which follows and, in part, will be obvious from the description which follows, or may be learned by practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] Figure 1 This is an axonometric schematic diagram of the cardiovascular implant real-time wear test device of the present invention.

[0042] Figure 2 Schematic diagram of the internal structure of the cardiovascular implant real-time wear test device of the present invention.

[0043] Figure 3 It is a front cross-sectional schematic diagram of the cardiovascular implant real-time wear test device of the present invention.

[0044] Figure 4 for Figure 2Enlarged schematic diagram of part A.

[0045] Figure 5 It is a front cross-sectional schematic diagram of the simulation box in the cardiovascular implant real-time wear test device of the present invention.

[0046] The figure marks in the drawings of the specification include: 1. outer shell; 2. opening and closing door; 3. upper piston box; 4. simulated heart; 5. display screen; 6. OCT endoscope; 7. liquid storage tank; 8. lower piston box; 9. injection check valve; 10. circulation check valve; 11. cam; 12. swing rod; 13. swing frame; 14. transmission rod; 15. adjustment gear block; 16. transmission gear block; 17. transmission rack; 18. moving rod; 19. driven rack; 20. sliding frame; 21. sliding frame; 22. gear; 23. adjustment rack; 24. adjustment plate; 25. extension rod; 26. toggle block; 27. upper piston rod; 28. lower piston rod; 29. upper piston plate; 30. lower piston plate; 31. simulation box; 32. liquid inlet check valve; 33. liquid outlet check valve; 34. replenishment check valve. DETAILED DESCRIPTION

[0047] The following is further described in detail through specific implementation methods:

[0048] Example 1:

[0049] As attached Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 The device shows a real-time wear test device for cardiovascular implants, comprising a housing 1 and a controller. A door 2 is symmetrically hinged on one side of the housing 1. An upper piston box 3 is welded to the inner wall of the housing 1, and a mounting plate is hinged on one side of the upper piston box 3. A simulated heart 4 is detachably secured to the inner wall of the upper piston box 3. The simulated heart 4 is filled with simulated blood. The internal structure of the simulated heart 4 is identical to that of a human heart.

[0050] A stabilizing assembly is provided at the bottom of the housing 1, comprising a non-slip pad fixedly bonded to the bottom of the housing 1. A display assembly is provided on the sidewall of the housing 1, comprising a display screen 5 embedded in the outer wall of the housing 1. A controller is used to control the display screen 5 to display the wear status of the cardiovascular implant. A monitoring assembly is provided on the upper piston box 3 for monitoring the real-time wear status of the cardiovascular implant.

[0051] The monitoring component includes an OCT endoscope 6 fixedly connected to the top of the upper piston box 3 by screws. The OCT endoscope 6 is electrically connected to a probe, which is detachably engaged inside the simulated heart 4. The controller is electrically connected to a cloud processor. The controller is used to receive image information obtained by the OCT endoscope 6 through monitoring the internal conditions of the simulated heart 4 through the probe, and send the image information to the cloud processor. The cloud processor analyzes the image information to obtain wear information of the cardiovascular implant, and sends the wear information to the controller. The controller displays the wear condition of the cardiovascular implant in real time through the display screen 5.

[0052] A liquid storage tank 7 and a lower piston box 8 are welded to the inner bottom wall of the outer shell 1. The side wall of the liquid storage tank 7 is connected to a liquid injection one-way valve 9. The interior of the liquid storage tank 7 is also filled with simulated blood. The side wall of the liquid storage tank 7 is connected to a circulation one-way valve 10. The liquid storage tank 7 is connected to the interior of the lower piston box 8 through the circulation one-way valve 10.

[0053] The top of the liquid reservoir 7 is bolted to a driver. A controller controls the rotation of the driver's output shaft. A cam 11 is fixedly secured to the driver's output shaft. The cam 11 rotates eccentrically with a swing lever 12 on the side away from the driver's output shaft. A swing frame 13 is integrally formed on the end of the swing lever 12 away from the cam 11. A transmission assembly is housed within the swing frame 13. In this embodiment, the driver is a stepper motor.

[0054] The transmission assembly includes a transmission rod 14 that rotates to fit with the inner wall of the swing frame 13. An adjusting tooth block 15 and a transmission tooth block 16 are integrally formed at both ends of the transmission rod 14. The transmission tooth block 16 is engaged with a transmission rack 17. A moving rod 18 is integrally formed on the side of the transmission rack 17 away from the transmission tooth block 16. A driven rack 19 is integrally formed on the side of the moving rod 18 away from the transmission rack 17. A limiting assembly for improving the stability of the moving rod 18 is provided on one side of the driven rack 19. The limiting assembly is located below the monitoring assembly.

[0055] The limiting assembly includes a sliding frame 20 welded to the inner wall of the housing 1 . A sliding rack 21 is vertically slidably engaged with the inner wall of the sliding frame 20 . A gear 22 is rotatably engaged in the sliding rack 21 . The gear 22 is meshed with the driven rack 19 .

[0056] An adjusting component for adjusting the swing frequency of the transmission rod 14 is provided on one side of the adjusting gear block 15 , and the adjusting component is located on one side of the limiting component.

[0057] The adjustment assembly includes an adjustment rack 23 meshing with the adjustment tooth block 15, and an adjustment plate 24 is integrally formed on the side of the adjustment rack 23 away from the adjustment tooth block 15. An extension rod 25 is welded to the side of the adjustment plate 24 away from the adjustment rack 23. A through hole is opened on the side wall of the shell 1, and the extension rod 25 extends through the through hole to the outside of the shell 1 and is welded with a toggle block 26. The toggle block 26 is vertically slidably matched with the outer wall of the shell 1.

[0058] An upper piston rod 27 and a lower piston rod 28 are integrally formed at both ends of the moving rod 18. The upper piston rod 27 and the lower piston rod 28 extend into the upper piston box 3 and the lower piston box 8 respectively and are integrally formed with an upper piston plate 29 and a lower piston plate 30 respectively. The upper piston plate 29 and the lower piston plate 30 are vertically slidably fitted with the inner side walls of the upper piston box 3 and the inner side walls of the lower piston box 8 respectively.

[0059] A simulation component for simulating microbial infection is provided on the inner wall of the housing 1 , and the simulation component is located on one side of the monitoring component.

[0060] The simulation component includes a simulation box 31 welded to the inner wall of the outer shell 1, and the simulation box 31 is filled with microorganisms. The bottom wall and the top wall of the simulation box 31 are respectively connected to the liquid inlet one-way valve 32 and the liquid outlet one-way valve 33. The simulation box 31 is connected to the interior of the lower piston box 8 and the interior of the simulated heart 4 through the liquid inlet one-way valve 32 and the liquid outlet one-way valve 33 respectively. The side wall of the simulation box 31 is connected to the supplementary one-way valve 34, and the simulation box 31 is connected to the outside of the outer shell 1 through the supplementary one-way valve 34.

[0061] The specific implementation process is as follows: the staff installs the cardiovascular implant and the probe in the simulated heart 4, installs the simulated heart 4 inside the upper piston box 3, and fills the liquid storage tank 7 with simulated blood through the injection one-way valve 9.

[0062] The staff controls the stepper motor output shaft through the controller to rotate, which drives the cam 11 to rotate, the cam 11 drives the swing rod 12 to swing, the swing rod 12 drives the swing frame 13 to swing, the swing frame 13 drives the transmission rod 14 to swing vertically, and the transmission rod 14 drives the transmission gear block 16 to swing vertically, which drives the transmission rack 17 to move up and down. At this time, the transmission rack 17 drives the moving rod 18 to move up and down, and the moving rod 18 drives the driven rack 19, the upper piston rod 27 and the lower piston rod 28 to move up and down.

[0063] The driven rack 19 drives the gear 22 to rotate during the up and down movement, and the gear 22 drives the sliding frame 21 to move up and down in the sliding frame 20. At this time, the moving rod 18 is limited by the meshing action of the gear 22 and the driven rack 19.

[0064] As the upper piston rod 27 reciprocates, it drives the upper piston plate 29 in a reciprocating motion. This reciprocating motion pushes the simulated heart 4 back and forth, simulating the beating of a real heart. As the lower piston rod 28 reciprocates, it drives the lower piston plate 30 in a reciprocating motion within the lower piston box 8, forming a piston structure. This pumps simulated blood from the reservoir 7 into the lower piston box 8 through the circulation check valve 10. The simulated blood then flows through the inlet check valve 32 into the simulation box 31, where it mixes with microorganisms. The simulated blood is then injected into the simulated heart 4 through the outlet check valve 33, simulating an environment of microbial infection.

[0065] During this process, the OCT endoscope 6 will monitor the wear of the cardiovascular implant in real time through the probe, obtain image information, and send the image information to the controller. The controller will send the image information to the cloud processor. The cloud processor will analyze the image information, obtain the wear results of the cardiovascular implant, organize the wear results into wear information, and send the wear information to the controller. The controller will control the display screen 5 to display the wear information in real time.

[0066] When it is necessary to adjust the beating rate of the simulated heart 4, the staff will move the toggle block 26 up and down, so that it will drive the extension rod 25, the adjustment plate 24 and the adjustment rack 23 to move up and down in turn, and the position of the adjustment rack 15 is adjusted by the meshing action between the adjustment rack 23 and the adjustment tooth block 15, so that the inclination angle of the transmission rod 14 is changed, and then the swing frequency of the transmission rod 14 is adjusted, and then the frequency of the up and down movement of the moving rod 18 is adjusted, so that the frequency of the up and down movement of the upper piston plate 29 driven by the moving rod 18 through the upper piston rod 27 is adjusted together, thereby adjusting the jacking frequency of the simulated heart 4.

[0067] The design of the upper piston plate 29 and the lower piston plate 30 sliding vertically within the upper and lower piston boxes 3 and 8, respectively, simulates the pumping function of the heart. This not only enhances the realism of the simulated heart 4 but also helps simulate the performance of the implant under different pressure conditions. Furthermore, by adjusting the swing frequency of the transmission rod 14, the wear of cardiovascular implants can be tested at different heart rates, making the test more flexible and meeting different testing requirements.

[0068] Example 2:

[0069] The difference from embodiment 1 is that scale lines are engraved on the outer wall of the housing 1 on one side of the through hole.

[0070] The specific implementation process is as follows: when the staff moves the toggle block 26 to adjust the swing frequency of the transmission rod 14, the scale lines engraved on the outer wall of the shell 1 on the side of the through hole can provide the staff with an intuitive visual display, so that the staff can use the scale lines as a reference standard to accurately adjust the swing frequency of the transmission rod 14.

[0071] Obviously, the above embodiments are merely examples for clarity of explanation and are not intended to limit the implementation methods. Those skilled in the art will readily appreciate that other variations or modifications based on the above descriptions are possible. It is not necessary and impossible to enumerate all implementation methods here. Obvious variations or modifications arising therefrom remain within the scope of protection of the present invention.

Claims

1. A cardiovascular implant real-time wear test device, comprising a housing (1), wherein one side of the housing (1) is symmetrically hinged with an opening and closing door (2), characterized in that: The device further comprises a controller, wherein the inner wall of the housing (1) is fixedly connected to an upper piston box (3), a mounting plate is hingedly connected to one side of the upper piston box (3), a simulated heart (4) is detachably connected to the inner wall of the upper piston box (3), the interior of the simulated heart (4) is filled with simulated blood, and a monitoring component for monitoring the real-time wear of the cardiovascular implant is provided on the upper piston box (3); The inner bottom wall of the housing (1) is fixedly connected to a liquid storage tank (7) and a lower piston box (8); the side wall of the liquid storage tank (7) is connected to a liquid injection check valve (9); the interior of the liquid storage tank (7) is also filled with simulated blood; the side wall of the liquid storage tank (7) is connected to a circulation check valve (10); the liquid storage tank (7) is connected to the interior of the lower piston box (8) through the circulation check valve (10); A driving member is fixedly connected to the top of the liquid storage tank (7), and a controller is used to control the rotation of the output shaft of the driving member. A cam (11) is fixedly connected to the output shaft of the driving member. The cam (11) is eccentrically rotated with a swing rod (12) on the side away from the output shaft of the driving member. The swing rod (12) is fixedly connected to a swing frame (13) on the end away from the cam (11). A transmission component is arranged in the swing frame (13); The transmission assembly includes a transmission rod (14) rotatably engaged with the inner side wall of the swing frame (13), the two ends of the transmission rod (14) are respectively fixedly connected with an adjusting tooth block (15) and a transmission tooth block (16), the transmission tooth block (16) is meshed with a transmission rack (17), the transmission rack (17) is fixedly connected to a moving rod (18) on the side away from the transmission tooth block (16), the moving rod (18) is fixedly connected to a driven rack (19) on the side away from the transmission rack (17), and a limiting assembly for improving the stability of the moving rod (18) is provided on one side of the driven rack (19), and the limiting assembly is located below the monitoring assembly; An adjusting component for adjusting the swing frequency of the transmission rod (14) is provided on one side of the adjusting tooth block (15), and the adjusting component is located on one side of the limiting component; The two ends of the moving rod (18) are respectively fixedly connected with an upper piston rod (27) and a lower piston rod (28). The upper piston rod (27) and the lower piston rod (28) extend into the upper piston box (3) and the lower piston box (8) respectively and are respectively fixedly connected with an upper piston plate (29) and a lower piston plate (30). The upper piston plate (29) and the lower piston plate (30) are respectively vertically slidably matched with the inner side wall of the upper piston box (3) and the inner side wall of the lower piston box (8); A simulation component for simulating microbial infection is provided on the inner side wall of the housing (1), and the simulation component is located on one side of the monitoring component.

2. The cardiovascular implant real-time wear testing device according to claim 1, characterized in that: A display assembly is provided on the side wall of the housing (1), and the display assembly includes a display screen (5) fixedly connected to the outer side wall of the housing (1). The controller is used to control the display screen (5) to display the wear condition of the cardiovascular implant.

3. The cardiovascular implant real-time wear testing device according to claim 2, characterized in that: The monitoring component includes an OCT endoscope (6) fixedly connected to the top of the upper piston box (3), the OCT endoscope (6) is electrically connected to a probe, the probe is detachably connected to the inside of the simulated heart (4), and a controller is electrically connected to a cloud processor. The controller is used to receive image information obtained by the OCT endoscope (6) through monitoring the internal conditions of the simulated heart (4) through the probe, and send the image information to the cloud processor. The cloud processor analyzes the image information to obtain wear information of the cardiovascular implant, and sends the wear information to the controller. The controller displays the wear condition of the cardiovascular implant in real time through a display screen (5).

4. The cardiovascular implant real-time wear testing device according to claim 3, characterized in that: The limiting assembly comprises a sliding frame (20) fixedly connected to the inner wall of the housing (1); the inner wall of the sliding frame (20) is vertically slidably matched with a sliding frame (21); a gear (22) is rotatably matched in the sliding frame (21); and the gear (22) is meshed with a driven rack (19).

5. The cardiovascular implant real-time wear testing device according to claim 4, characterized in that: The adjustment assembly comprises an adjustment rack (23) meshed with the adjustment tooth block (15); an adjustment plate (24) is fixedly connected to the side of the adjustment rack (23) away from the adjustment tooth block (15); an extension rod (25) is fixedly connected to the side of the adjustment plate (24) away from the adjustment rack (23); a through hole is opened on the side wall of the housing (1); the extension rod (25) extends through the through hole to the outside of the housing (1) and is fixedly connected to a toggle block (26); the toggle block (26) is vertically slidably matched with the outer wall of the housing (1).

6. The cardiovascular implant real-time wear testing device according to claim 5, characterized in that: The simulation component includes a simulation box (31) fixedly connected to the inner wall of the shell (1), the simulation box (31) is filled with microorganisms, the bottom wall and the top wall of the simulation box (31) are respectively connected to the liquid inlet one-way valve (32) and the liquid outlet one-way valve (33), and the simulation box (31) is connected to the interior of the lower piston box (8) and the interior of the simulated heart (4) through the liquid inlet one-way valve (32) and the liquid outlet one-way valve (33).

7. The cardiovascular implant real-time wear testing device according to claim 6, characterized in that: A stabilizing component is provided at the bottom of the housing (1), and the stabilizing component includes an anti-slip pad fixedly connected to the bottom of the housing (1).

8. The cardiovascular implant real-time wear testing device according to claim 7, characterized in that: The side wall of the simulation box (31) is connected to a supplementary one-way valve (34), and the simulation box (31) is connected to the outside of the housing (1) through the supplementary one-way valve (34).

9. The cardiovascular implant real-time wear testing device according to claim 8, characterized in that: The internal structure of the simulated heart (4) is the same as that of the human heart.

10. The cardiovascular implant real-time wear testing device according to claim 9, characterized in that: Scale lines are engraved on the outer side wall of the shell (1) located on one side of the through hole.

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