Capturing device for recovering foreign matters, plaques and emboli in vascular intervention operation

Abstract

The invention belongs to the technical field of foreign matter capturing, and discloses a capturing device for recovering foreign matter, plaque and embolus in vascular intervention, which comprises a tube body, the end part of the tube body is movably connected with a conical top cover through an adjusting assembly, and a rubber sealing sleeve is fixedly mounted on the side wall, close to the tube body, of the conical top cover in an adhesion manner; the rubber sealing sleeve is of an annular structure, a filling groove is formed in the rubber sealing sleeve, the conical top cover, the first small hole, the filling groove and the like are arranged, during use, the front end of the conical top cover extrudes and penetrates through arterial thrombosis, then clear water is injected into the connecting pipe, and the connecting pipe is sealed; water flow passes through the connecting pipe, passes through the first small hole, the second small hole and the third small hole to enter the connecting groove and then gradually enters the filling groove, the rubber sleeve gradually collides and expands to seal the front end of the thrombus, and during use, the connecting pipe is driven to rotate by rotating the pipe body, so that the first small hole and the third small hole are staggered, and the thrombus can be conveniently filled. And subsequent operation can be carried out.

Description

Technical Field

[0001] This invention belongs to the field of foreign object capture technology, specifically relating to a capture device for recovering foreign objects, plaques, and emboli during vascular interventional procedures. Background Technology

[0002] During vascular interventional procedures, it is necessary to treat blood clots in the blood vessels to prevent them from harming the body's health.

[0003] Currently, when clearing relatively fresh arterial thrombi, a stent must first be pushed through the thrombus. The thrombus is then broken up by water flow and Bernoulli's principle before extraction. However, due to its relatively soft structure, thrombus fragments are prone to detachment during stent insertion, potentially causing distal embolism, making it inconvenient for practical use. Furthermore, with existing capture structures, after the removal of foreign bodies, plaques, and emboli, changes in blood flow velocity during restored blood flow can cause changes in local pressure within the vessel, potentially leading to serious consequences. Additionally, during the intervention, the vessel wall may be damaged or rubbed, causing intimal damage or bleeding. This damage affects the vessel's elasticity, leading to local vasoconstriction and easily inducing vasospasm, increasing intravascular pressure and further hindering practical application. Summary of the Invention

[0004] The purpose of this invention is to provide a capture device for recovering foreign bodies, plaques, and emboli during vascular interventional procedures, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a capture device for recovering foreign bodies, plaques, and emboli during vascular interventional procedures includes a tube body. A conical top cover is movably connected to the end of the tube body via an adjusting component. A rubber sealing sleeve is adhered and fixedly installed on the side wall of the conical top cover near the tube body. The rubber sealing sleeve has an annular structure and a filling groove is formed inside. A connecting groove is formed inside the conical top cover. A third small hole and a water outlet are symmetrically formed at both ends of the inner wall of the connecting groove. An auxiliary tube is fixedly installed on the outer wall of the conical top cover near the rubber sealing sleeve. The auxiliary tube is aligned with the water outlet and penetrates the rubber sealing sleeve, embedding itself inside the filling groove. The adjusting component is used to control the opening and closing of the third small hole.

[0006] Preferably, the adjusting assembly includes a side tube, a connecting tube, and a first rubber sleeve. A through hole is formed on the end face of the tube near the conical top cover, and a through hole is formed on the end face of the tube away from the conical top cover. The diameter of the through hole is larger than the diameter of the through hole, and the through hole and the through hole are interconnected. A sliding groove is symmetrically formed on the inner wall of the through hole. The connecting tube passes through the interior of the through hole and the through hole, and a side tube is symmetrically connected to the outer wall of the connecting tube. The side tube is slidably disposed inside the sliding groove. A first rubber sleeve is provided covering the outer wall of the connecting tube near the conical top cover, and a first small hole is symmetrically formed on the outer wall of the connecting tube near the conical top cover. A second small hole is symmetrically formed on the outer wall of the first rubber sleeve, and the second small hole is aligned with the first small hole and the third small hole.

[0007] Preferably, an annular plate is fixedly installed on the inner wall of the conical top cover, and a limiting plate is fixedly installed on the outer wall of the connecting pipe. The limiting plate has an annular structure and is located between the first small hole and the annular plate.

[0008] Preferably, a rubber block is fixedly installed on the side of the slide away from the inner wall of the conical top cover, the rubber block is in contact with the port of the side tube, and a first outlet is opened on the side of the slide near the inner wall of the conical top cover, and a rubber sealing port is fixedly installed inside the first outlet.

[0009] Preferably, a second rubber sleeve is wrapped around the outer wall of the connecting tube, and the limiting plate is located between the first rubber sleeve and the second rubber sleeve. The second rubber sleeve is used to fill the gap between the perforation and the connecting tube.

[0010] Preferably, the through hole is symmetrically provided with connecting holes at one end near the conical top cover, the connecting holes are located between the sliding grooves, and the outer wall of the tube is symmetrically provided with second outlets, the second outlets are located between the first outlets, and the second outlets are connected to the connecting holes.

[0011] Preferably, a conical plate is fixedly installed inside the second outlet. The conical plate is an arc-shaped plate, and the side of the conical plate away from the connecting pipe is aligned with the outer wall of the pipe body.

[0012] Preferably, a mesh plate is fixedly installed at equal intervals inside the connecting pipe, and the mesh plate is located between the first small hole and the side pipe.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] (1) The present invention is provided with a conical top cover, a first small hole and a filling groove, etc. When in use, the arterial thrombus is squeezed through the front end of the conical top cover, and then clean water is injected into the interior of the connecting tube. The water flows through the connecting tube, through the first small hole, the second small hole and the third small hole into the interior of the connecting groove, and then gradually enters the filling groove inside the rubber sleeve. As the water flow continues to be injected, the rubber sleeve gradually collide and expands, thereby sealing the front end of the thrombus. When in use, the connecting tube can be rotated by rotating the tube body, so that the first small hole and the third small hole are misaligned, and subsequent operations can be carried out.

[0015] (2) The present invention is provided with a tube body, a rubber sealing port and a second outlet. After the rubber sleeve expands and blocks, the tube body is pulled back to make the side tube separate from the contact with the rubber block. At this time, the water flow is injected into the interior of the trough through the side tube. After squeezing the rubber sealing port, the water is sprayed outward through the first outlet. The thrombus is broken up by the impact of the water flow and Bernoulli's principle. Then, the broken thrombus is sucked into the interior of the connecting hole through the second outlet by air pressure and discharged outward through the through hole. In the whole process, the tube body does not need to slide inside the blood vessel multiple times, reducing the possibility of friction with the blood vessel. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of the present invention;

[0017] Figure 2 This is an external view of the present invention;

[0018] Figure 3 This is a cross-sectional view of the present invention;

[0019] Figure 4 for Figure 1 Enlarged view of point A in the image;

[0020] Figure 5 for Figure 3 Enlarged view of point B in the image;

[0021] Figure 6 for Figure 3 Enlarged view of point C in the image.

[0022] In the diagram: 1. Conical top cover; 2. Filling groove; 3. Rubber sealing port; 4. Pipe body; 5. Through hole; 6. Connecting pipe; 7. Slide groove; 8. First outlet; 9. Rubber sealing sleeve; 10. First small hole; 11. Connecting groove; 12. Second outlet; 13. Connecting hole; 14. Conical plate; 15. Limiting plate; 16. First rubber sleeve; 17. Second small hole; 18. Third small hole; 19. Annular plate; 20. Second rubber sleeve; 21. Perforation; 22. Side pipe; 23. Rubber block; 24. Mesh plate; 25. Auxiliary pipe; 26. Water outlet. Detailed Implementation

[0023] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0024] Please see Figures 1-6 As shown, the present invention provides the following technical solution: A capture device for recovering foreign bodies, plaques, and emboli during vascular interventional procedures includes a tube body 4. A conical top cover 1 is movably connected to the end of the tube body 4 via an adjusting component. A rubber sealing sleeve 9 is adhered and fixedly installed on the side wall of the conical top cover 1 near the tube body 4. The rubber sealing sleeve 9 has an annular structure and a filling groove 2 is provided inside. A connecting groove 11 is provided inside the conical top cover 1. A third small hole 18 and a water outlet 26 are symmetrically provided at both ends of the inner wall of the connecting groove 11. An auxiliary tube 25 is fixedly installed on the outer wall of the conical top cover 1 near the rubber sealing sleeve 9. The auxiliary tube 25 is aligned with the water outlet 26 and penetrates the rubber sealing sleeve 9, embedding itself inside the filling groove 2. The adjusting component is used to control the opening and closing of the third small hole 18. The adjusting component includes a side tube 22. The connecting pipe 6 and the first rubber sleeve 16 are provided. A through hole 21 is opened on the end face of the pipe body 4 near the conical top cover 1, and a through hole 5 is opened on the end face of the pipe body 4 away from the conical top cover 1. The diameter of the through hole 5 is larger than the diameter of the through hole 21, and the through hole 5 and the through hole 21 are interconnected. A sliding groove 7 is symmetrically opened on the inner wall of the through hole 21. The connecting pipe 6 passes through the inside of the through hole 5 and the through hole 21, and a side pipe 22 is symmetrically connected on the outer wall of the connecting pipe 6. The side pipe 22 is slidably arranged inside the sliding groove 7. The first rubber sleeve 16 is covered on the outer wall of the connecting pipe 6 near the conical top cover 1, and a first small hole 10 is symmetrically opened on the outer wall of the connecting pipe 6 near the conical top cover 1. A second small hole 17 is symmetrically opened on the outer wall of the first rubber sleeve 16. The second small hole 17 is aligned with the first small hole 10 and the third small hole 18.

[0025] With the above technical solution, before use, by rotating the tube body 4, the side tube 22 and the sliding groove 7 are connected to drive the connecting tube 6 to rotate inside the conical top cover 1, so that the first small hole 10, the second small hole 17 and the third small hole 18 are aligned with each other. Then, the device is inserted into the blood vessel, and the conical top cover 1 and the rubber sealing sleeve 9 are used to pass through the thrombus, preventing the blood vessel from being punctured or broken during the insertion or operation of traditional stents. By injecting clean water into the connecting tube 6, the clean water is injected into the connecting groove 11 through the connecting tube 6, the first small hole 10, the second small hole 17 and the third small hole 18, and then into the rubber sealing sleeve 9 through the water outlet 26 and the auxiliary tube 25, causing the rubber sealing sleeve 9 to gradually expand and block the blood vessel at one end of the thrombus, thereby preventing thrombus fragments from falling off and causing distal embolism.

[0026] Furthermore, an annular plate 19 is fixedly installed on the inner wall of the conical top cover 1, and a limiting plate 15 is fixedly installed on the outer wall of the connecting pipe 6. The limiting plate 15 has an annular structure and is located between the first small hole 10 and the annular plate 19.

[0027] Please refer to Figure 1 and Figures 3-5 The installation of the annular plate 19 prevents the limiting plate 15 from sliding outward, ensuring that the connecting tube 6 can rotate normally during actual use without detaching from the conical top cover 1, thereby preventing the equipment parts from being left inside the patient's body.

[0028] Furthermore, a rubber block 23 is fixedly installed on the inner wall side of the chute 7 away from the conical top cover 1. The rubber block 23 is in contact with the port of the side tube 22. A first outlet 8 is opened on the inner wall side of the chute 7 near the conical top cover 1. A rubber sealing port 3 is fixedly installed inside the first outlet 8. A second rubber sleeve 20 is wrapped on the outer wall of the connecting tube 6. A limiting plate 15 is located between the first rubber sleeve 16 and the second rubber sleeve 20. The second rubber sleeve 20 is used to fill the gap between the perforation 21 and the connecting tube 6. Mesh plates 24 are fixedly installed at equal intervals inside the connecting tube 6. The mesh plates 24 are located between the first small hole 10 and the side tube 22.

[0029] Please refer to Figure 1 and Figure 4After sealing one end of the thrombus, the tube body 4 is slowly rotated again, causing the connecting tube 6 to rotate inside the conical top cover 1. At this time, the first small hole 10, the second small hole 17, and the third small hole 18 are staggered, and the first small hole 10 is blocked and sealed by the first rubber sleeve 16, ensuring that the rubber sealing sleeve 9 is always expanded. Then the tube body 4 can be pulled backward, causing the tube body 4 to slide backward on the connecting tube 6. At this time, the rubber block 23 is separated from the side tube 22, and the clean water enters the interior of the slide groove 7 through the side tube 22. Under the action of pressure, the rubber sealing port 3 is squeezed and sprayed outward through the first outlet 8, using the water flow impact and Bernoulli's principle to break up the thrombus as a whole.

[0030] After the vascular intervention to remove foreign objects, plaques, and emboli, the tube body 4 is slowly rotated again, causing the connecting tube 6 to rotate inside the conical top cover 1. This gradually aligns the first small hole 10 with the third small hole 18, releasing the seal of the first rubber sleeve 16 on the third small hole 18. During the alignment process, the water inside the filling groove 2, under pressure, flows back into the tube body 4 through the first small hole 10, the second small hole 17, and the third small hole 18. The water flow rate is further reduced by multiple mesh plates 24 inside the tube body 4, slowing down the rate of volume contraction of the rubber sealing sleeve 9. This gradually increases the distance between the outer wall of the rubber sealing sleeve 9 and the inner wall of the blood vessel, reducing the occurrence of drastic changes in blood flow rate when the blood vessel resumes circulation.

[0031] Furthermore, a connecting hole 13 is symmetrically provided at one end of the through hole 5 near the conical top cover 1. The connecting hole 13 is located between the sliding grooves 7. A second outlet 12 is symmetrically provided on the outer wall of the tube body 4. The second outlet 12 is located between the first outlets 8 and is connected to the connecting hole 13. A conical plate 14 is fixedly installed inside the second outlet 12. The conical plate 14 is an arc-shaped plate, and the side of the conical plate 14 away from the connecting pipe 6 is aligned with the outer wall of the tube body 4.

[0032] Please refer to Figures 1-3 The conical top cover 1 squeezes through the arterial thrombus to complete the blockage and pulls the tube body 4 backward to break up the thrombus with water flow. At the same time, the broken tissue is sucked into the interior of the connecting hole 13 through the second outlet 12 by airflow. The sucked tissue is simply separated by the conical plate 14 to prevent the connecting hole 13 from becoming blocked. The thrombus tissue is finally extracted out of the body through the through hole 5. Compared with the traditional grasping method that slides in the blood vessel multiple times, the displacement distance of the tube body 4 in the blood vessel is reduced, thereby reducing the possibility of friction with the blood vessel. Combined with the rubber sealing sleeve 9, the possibility of vascular spasm is reduced, which is convenient for actual use.

[0033] Although embodiments of the 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 invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A capture device for recovering foreign bodies, plaques, and emboli during vascular interventional procedures, characterized in that... The device includes a pipe body (4), and a conical top cover (1) is movably connected to the end of the pipe body (4) through an adjusting component. A rubber sealing sleeve (9) is adhered and fixedly installed on the side wall of the conical top cover (1) near the pipe body (4). The rubber sealing sleeve (9) has an annular structure and a filling groove (2) is opened inside the rubber sealing sleeve (9). A connecting groove (11) is opened inside the conical top cover (1). A third small hole (18) and a water outlet (26) are symmetrically opened at both ends of the inner wall of the connecting groove (11). An auxiliary pipe (25) is fixedly installed on the outer wall of the conical top cover (1) near the rubber sealing sleeve (9). The auxiliary pipe (25) is aligned with the water outlet (26) and the auxiliary pipe (25) passes through the rubber sealing sleeve (9) and is embedded in the filling groove (2). The adjusting component is used to control the opening and closing of the third small hole (18).

2. The capture device for recovering foreign bodies, plaques, and emboli during vascular interventional procedures according to claim 1, characterized in that... The adjustment assembly includes a side tube (22), a connecting tube (6), and a first rubber sleeve (16). A perforation (21) is provided on the end face of the tube body (4) near the conical top cover (1), and a through hole (5) is provided on the end face of the tube body (4) away from the conical top cover (1). The diameter of the through hole (5) is larger than the diameter of the perforation (21), and the through hole (5) and the perforation (21) are interconnected. Sliding grooves (7) are symmetrically provided on the inner wall of the perforation (21). The connecting tube (6) passes through the through hole (5) and the perforation (21). Furthermore, the outer wall of the connecting pipe (6) is symmetrically connected with side pipes (22), the side pipes (22) are slidably disposed inside the sliding groove (7), the outer wall of the connecting pipe (6) near the conical top cover (1) is covered with a first rubber sleeve (16), and the outer wall of the connecting pipe (6) near the conical top cover (1) is symmetrically provided with a first small hole (10), the outer wall of the first rubber sleeve (16) is symmetrically provided with a second small hole (17), the second small hole (17) is aligned with the first small hole (10) and the third small hole (18).

3. The capture device for recovering foreign bodies, plaques, and emboli during vascular interventional procedures according to claim 2, characterized in that... An annular plate (19) is fixedly installed on the inner wall of the conical top cover (1), and a limiting plate (15) is fixedly installed on the outer wall of the connecting pipe (6). The limiting plate (15) is annular and is located between the first small hole (10) and the annular plate (19).

4. The capture device for recovering foreign bodies, plaques, and emboli during vascular interventional procedures according to claim 3, characterized in that... A rubber block (23) is fixedly installed on the side of the chute (7) away from the inner wall of the conical top cover (1). The rubber block (23) is in contact with the port of the side tube (22). A first outlet (8) is opened on the side of the chute (7) near the inner wall of the conical top cover (1). A rubber sealing port (3) is fixedly installed inside the first outlet (8).

5. The capture device for recovering foreign bodies, plaques, and emboli during vascular interventional procedures according to claim 4, characterized in that... The outer wall of the connecting tube (6) is wrapped with a second rubber sleeve (20), and the limiting plate (15) is located between the first rubber sleeve (16) and the second rubber sleeve (20). The second rubber sleeve (20) is used to fill the gap between the perforation (21) and the connecting tube (6).

6. The capture device for recovering foreign bodies, plaques, and emboli during vascular interventional procedures according to claim 5, characterized in that... The through hole (5) is symmetrically provided with a connecting hole (13) at one end near the conical top cover (1). The connecting hole (13) is located between the sliding grooves (7). The outer wall of the tube body (4) is symmetrically provided with a second outlet (12). The second outlet (12) is located between the first outlets (8), and the second outlet (12) is connected to the connecting hole (13).

7. The capture device for recovering foreign bodies, plaques, and emboli during vascular interventional procedures according to claim 6, characterized in that... A conical plate (14) is fixedly installed inside the second outlet (12). The conical plate (14) is an arc-shaped plate, and the side of the conical plate (14) away from the connecting pipe (6) is aligned with the outer wall of the pipe body (4).

8. The capture device for recovering foreign bodies, plaques, and emboli during vascular interventional procedures according to claim 7, characterized in that... The connecting pipe (6) is fixedly installed with mesh plates (24) at equal intervals inside, and the mesh plates (24) are located between the first small hole (10) and the side pipe (22).

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