CN214584006U

CN214584006U - Coronary angiography catheter bending fatigue performance test equipment

Info

Publication number: CN214584006U
Application number: CN202120986988.9U
Authority: CN
Inventors: 毛玉兰; 孙丽娜; 徐依婷
Original assignee: Shenzhen Maipuqi Medical Technology Co ltd
Current assignee: Shenzhen Maipuqi Medical Technology Co ltd
Priority date: 2021-05-10
Filing date: 2021-05-10
Publication date: 2021-11-02
Anticipated expiration: 2031-05-10

Abstract

The utility model relates to the technical field of medical equipment, and discloses a coronary angiography catheter bending fatigue performance test device, which comprises a box body, the top of the box body is bolted with a fixed box, the inner wall of the fixed box is bolted with a motor, the output end of the motor is bolted with a transmission rod, the inner wall of the transmission rod is slidably connected with a slide cylinder, a first fixing mechanism is arranged between the surfaces of the slide cylinder and the transmission rod, a telescopic rod is sleeved on the inner part of the slide cylinder in a rotating way, a rotating rod is sleeved on the inner wall of the box body in a rotating way through a bearing, the surface of the front rotating rod is hinged with the other end of the telescopic rod, and a support plate is bolted at one end of the rotating rod; the utility model discloses an it is fixed to adjust the position of slide cartridge on the transfer line and cooperate first fixed establishment to change telescopic link turned angle's mode, can reach the purpose of carrying out the test of different bending angle, reduced the cost of test, improved work efficiency.

Description

Coronary angiography catheter bending fatigue performance test equipment

Technical Field

The utility model relates to the technical field of medical equipment, specifically a coronary artery radiography pipe bending fatigue performance test equipment.

Background

Coronary angiography is a common and effective method for diagnosing coronary atherosclerotic heart disease (coronary heart disease), is a safe and reliable invasive diagnosis technology, is widely applied to clinic at present, and is considered as the 'gold standard' for diagnosing coronary heart disease. The main function of coronary angiography is to evaluate the running, number and malformation of coronary vessels; assessing the presence, severity and extent of coronary lesions; assessing changes in coronary artery functionality, including spasm of coronary arteries and the presence or absence of collateral circulation; meanwhile, the evaluation of the left heart function can be considered. On the basis, the interventional therapy can be carried out according to the degree and the range of the coronary artery lesion; evaluating the effect after coronary artery bypass surgery and interventional therapy; and long-term follow-up and prognostic evaluation can be performed.

The existing testing equipment can not test different bending angles, the general bending angles are fixed, different bending angles are used for testing a catheter according to the bending performance of the catheter to be tested, different equipment is generally required to be prepared, the testing cost is increased, the testing efficiency is reduced, a plurality of catheters can not be tested simultaneously, the catheter and catheter testing equipment is one-catheter testing, when a plurality of catheters are required to be tested, a plurality of devices are required, the testing cost is increased, the efficiency is low, and in order to solve the existing problems, the coronary angiography catheter bending fatigue performance testing equipment is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a coronary artery radiography pipe bending fatigue performance test equipment possesses the test that can carry out different bending angle and the advantage that can a plurality of pipes test simultaneously, has solved current test equipment, can not carry out the test of different bending angle and the problem of the test that only can single pipe.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a coronary artery radiography pipe bending fatigue performance test equipment, includes the box, the fixed case has been bolted at the top of box, the inner wall bolt of fixed case has the motor, the output end bolt of motor has the transfer line, the inner wall sliding connection of transfer line has a slide cartridge, be provided with first fixed establishment between the surface of slide cartridge and transfer line, the telescopic link has been cup jointed in the inside rotation of slide cartridge, rotate through the bearing between the inner wall of box and cup joint the dwang, and just the surface of positive dwang is articulated with the other end of telescopic link, the one end bolt of dwang has the backup pad, the surface bolt of backup pad has U type frame, be provided with locking mechanism between the both ends of U type frame, the inner wall of U type frame slides and cup joints the press bar, be provided with second fixed establishment between the inner wall of press bar and U type frame, one end bolt of press bar has the clamp plate, and the pressing plate is connected with the inner wall of the U-shaped frame in a sliding manner, and a first fixing groove is formed in the surface of the pressing plate.

Preferably, first fixed establishment includes first fixed block, one side of first fixed block and the surperficial bolt of a smooth section of thick bamboo, the pull rod has been cup jointed in the inner wall slip of first fixed block, the fixed surperficial cover of pull rod has connect the limiting plate, be provided with first spring between the inner wall of limiting plate and first fixed block, first fixed orifices has been seted up to the inner wall of transfer line, and first fixed orifices and pull rod joint.

Preferably, the anti-loosening mechanism comprises a second fixed block, the bottom of the second fixed block is bolted to the surface of the supporting plate, the second fixed block is located inside the U-shaped frame, a telescopic block is connected between the inner wall of the second fixed block in a sliding mode, a second spring is arranged between the telescopic block and the second fixed block, a second fixed groove is formed in the surface of the telescopic block, and the second fixed groove is matched with the first fixed groove.

Preferably, the second fixing mechanism comprises a clamping joint, the surface of the clamping joint is connected with the inner wall of the U-shaped frame in a sliding mode, a third spring is arranged between the clamping joint and the inner wall of the U-shaped frame, an adjusting rod is bolted to the surface of the clamping joint, a second fixing hole is formed in the surface of the pressing rod, and the second fixing hole is matched with the clamping joint.

Preferably, the fixed surface of dwang has cup jointed the gear, and the surface intermeshing of two gears, and the gear is located the inside of box.

Preferably, the surface of the pressing plate is bolted with a sliding block, the surface of the sliding block is connected with a sliding groove in a sliding manner, and the sliding groove is formed in the inner wall of the U-shaped frame.

Preferably, a strip-shaped block is bolted to the surface of the support plate, and a circular hole is formed in the surface of the strip-shaped block.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model adjusts the position of the sliding cylinder on the transmission rod and matches the first fixing mechanism for fixing, thereby changing the rotation angle of the telescopic rod, achieving the purpose of testing different bending angles, reducing the testing cost and improving the working efficiency;

2. the utility model discloses a press down and make clamp plate and flexible piece extrusion and cooperation second fixed establishment carry out the mode of fixing according to the depression bar, can reach the purpose of a plurality of pipes simultaneous testing, reduced the test cost, improved the efficiency of test.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a sectional view of the structure of the present invention;

FIG. 3 is a top sectional view of the structure of the present invention;

FIG. 4 is an enlarged view of the structure B in FIG. 2 according to the present invention;

fig. 5 is an enlarged view of a structure in fig. 2 according to the present invention.

In the figure: 1. a box body; 2. a fixed box; 3. a motor; 4. a transmission rod; 5. a slide cylinder; 6. a first fixing mechanism; 7. a telescopic rod; 8. rotating the rod; 9. a support plate; 10. a U-shaped frame; 11. an anti-loosening mechanism; 12. a pressing lever; 13. a second fixing mechanism; 14. pressing a plate; 15. a first fixing groove; 16. a gear; 17. a slider; 18. a chute; 19. a bar-shaped block; 20. a circular hole; 61. a first fixed block; 62. a pull rod; 63. a limiting plate; 64. a first spring; 65. a first fixing hole; 111. a second fixed block; 112. a telescopic block; 113. a second spring; 114. a second fixing groove; 131. a clamping head; 132. a third spring; 133. adjusting a rod; 134. and a second fixing hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, a coronary angiography catheter bending fatigue performance testing apparatus comprises a box body 1, a fixed box 2 is bolted on the top of the box body 1, a motor 3 is bolted on the inner wall of the fixed box 2, a transmission rod 4 is bolted on the output end of the motor 3, a slide cylinder 5 is slidably connected on the inner wall of the transmission rod 4, a first fixing mechanism 6 is arranged between the slide cylinder 5 and the surface of the transmission rod 4, an expansion link 7 is rotatably sleeved inside the slide cylinder 5, a rotation rod 8 is rotatably sleeved between the inner walls of the box body 1 through a bearing, the surface of the front rotation rod 8 is hinged with the other end of the expansion link 7, a support plate 9 is bolted on one end of the rotation rod 8, a U-shaped frame 10 is bolted on the surface of the support plate 9, an anti-loosening mechanism 11 is arranged between the two ends of the U-shaped frame 10, a pressing rod 12 is slidably sleeved on the inner wall of the U-shaped frame 10, a second fixing mechanism 13 is arranged between the pressing rod 12 and the inner wall of the U-shaped frame 10, according to the one end bolt of depression bar 12 and having connect clamp plate 14, and the inner wall sliding connection of clamp plate 14 and U type frame 10, first fixed slot 15 has been seted up on the surface of clamp plate 14, it is fixed through adjusting the position of slide cartridge 5 on transfer line 4 and cooperation first fixed establishment 6, thereby change the mode of telescopic link 7 turned angle, can reach the purpose of carrying out the test of different bending angles, the cost of test has been reduced, work efficiency is improved, press the mode that depression bar 12 made clamp plate 14 and flexible piece 112 extrusion and cooperation second fixed establishment 13 go on fixing according to depression bar, can reach the purpose that a plurality of pipes tested simultaneously, the testing cost is reduced, the efficiency of test is improved.

Further, first fixed establishment 6 includes first fixed block 61, one side of first fixed block 61 and the surface bolt of slide cartridge 5, pull rod 62 has been cup jointed in the inner wall slip of first fixed block 61, the fixed surface of pull rod 62 has cup jointed limiting plate 63, be provided with first spring 64 between the inner wall of limiting plate 63 and first fixed block 61, first fixed orifices 65 have been seted up to the inner wall of transfer line 4, and first fixed orifices 65 and pull rod 62 joint, through setting up first fixed establishment 6, fixed slide cartridge 5, make the rigidity of slide cartridge 5, thereby fixed telescopic link 7, the turned angle that makes telescopic link 7 is inconvenient, thereby device stability has been guaranteed.

Further, locking mechanism 11 that moves includes second fixed block 111, the bottom of second fixed block 111 and the surperficial bolt of backup pad 9, and second fixed block 111 is located the inside of U type frame 10, sliding connection has flexible piece 112 between the inner wall of second fixed block 111, be provided with second spring 113 between flexible piece 112 and the second fixed block 111, second fixed slot 114 has been seted up on the surface of flexible piece 112, and second fixed slot 114 and first fixed slot 15 looks adaptation, through setting up locking mechanism 11 that moves, prevent that the pipe from droing when the test, cause the test failure or the inaccurate problem of test result.

Further, the second fixing mechanism 13 includes a clamping head 131, the surface of the clamping head 131 is slidably connected to the inner wall of the U-shaped frame 10, a third spring 132 is disposed between the clamping head 131 and the inner wall of the U-shaped frame 10, an adjusting rod 133 is bolted to the surface of the clamping head 131, a second fixing hole 134 is formed in the surface of the pressing rod 12, the second fixing hole 134 is matched with the clamping head 131, and the pressing rod 12 is fixed by the second fixing mechanism 13, so that the pressing rod 12 is kept stable.

Further, the fixed surface of dwang 8 has cup jointed gear 16, and the surface intermeshing of two gears 16, and gear 16 is located the inside of box 1, through setting up gear 16, increases the scope of angle modulation to improve the practicality of device.

Furthermore, a sliding block 17 is bolted on the surface of the pressing plate 14, a sliding groove 18 is connected on the surface of the sliding block 17 in a sliding manner, the sliding groove 18 is formed in the inner wall of the U-shaped frame 10, and the pressing plate 14 is enabled not to deviate when moving through the arrangement of the sliding block 17 and the sliding groove 18, so that the stability of the device is ensured.

Furthermore, a strip-shaped block 19 is bolted on the surface of the supporting plate 9, a round hole 20 is formed in the surface of the strip-shaped block 19, and the guide pipe is fixed by arranging the strip-shaped block 19 and the round hole 20 so as not to move around.

When the device is used, the motor 3 is turned on, the motor 3 rotates to drive the transmission rod 4 to rotate, the transmission rod 4 rotates to drive the telescopic rod 7 to rotate, the telescopic rod 7 rotates to drive the rotating rod 8 to rotate, the rotating rod 8 rotates to drive the supporting plate 9 to rotate, the pull rod 62 is pulled upwards, the pull rod 62 moves to enable the pull rod 62 to be separated from the clamping connection with the first fixing hole 65 on the transmission rod 4, then the sliding barrel 5 is moved, when the sliding barrel 5 moves to a proper position, the pull rod 62 is loosened, the pull rod 62 is clamped with the first fixing hole 65 under the action of the first spring 64, so that the fixing of the angle of the telescopic rod 7 is completed, the rotating angle of the rotating rod 8 is changed due to the change of the angle of the telescopic rod 7, and the aim of testing different bending angles is fulfilled;

press down the pressure bar 12, press the removal of pressure bar 12, when the second fixed orifices 134 on the pressure bar 12 with joint pole joint head 131 joint under the effect of third spring 132, accomplish fixedly, press first fixed orifices 65 on the board 14 and the second fixed orifices 134 on the expansion plate to fix the pipe, outside pulling regulation pole 133, regulation pole 133 removes and drives joint head 131 and remove, make joint head 131 break away from the joint with second fixed orifices 134, accomplish the dismantlement, thereby reach the purpose of a plurality of pipe simultaneous tests.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a coronary angiography pipe bending fatigue performance test equipment, includes box (1), its characterized in that: the top of box (1) has been bolted fixed case (2), the inner wall of fixed case (2) has been bolted motor (3), the output end of motor (3) has been bolted transfer line (4), the inner wall sliding connection of transfer line (4) has slide cartridge (5), be provided with first fixed establishment (6) between the surface of slide cartridge (5) and transfer line (4), telescopic link (7) have been cup jointed in the inside rotation of slide cartridge (5), through bearing rotation cup joint dwang (8) between the inner wall of box (1), and the surface of positive dwang (8) is articulated with the other end of telescopic link (7), the one end of dwang (8) has been bolted backup pad (9), the surface of backup pad (9) has been bolted U type frame (10), be provided with locking mechanism (11) between the both ends of U type frame (10), the inner wall of the U-shaped frame (10) is sleeved with a pressing rod (12) in a sliding mode, a second fixing mechanism (13) is arranged between the pressing rod (12) and the inner wall of the U-shaped frame (10), a pressing plate (14) is connected to one end of the pressing rod (12) in a bolted mode, the pressing plate (14) is connected with the inner wall of the U-shaped frame (10) in a sliding mode, and a first fixing groove (15) is formed in the surface of the pressing plate (14).

2. The apparatus for testing the bending fatigue property of a coronary angiography catheter according to claim 1, wherein: first fixed establishment (6) are including first fixed block (61), the surface bolt of one side and slide cartridge (5) of first fixed block (61), pull rod (62) have been cup jointed in the inner wall slip of first fixed block (61), limiting plate (63) have been cup jointed to the fixed surface of pull rod (62), be provided with first spring (64) between the inner wall of limiting plate (63) and first fixed block (61), first fixed orifices (65) have been seted up to the inner wall of transfer line (4), and first fixed orifices (65) and pull rod (62) joint.

3. The apparatus for testing the bending fatigue property of a coronary angiography catheter according to claim 1, wherein: locking mechanism (11) of moving includes second fixed block (111), the bottom of second fixed block (111) and the surface bolt of backup pad (9), and second fixed block (111) are located the inside of U type frame (10), sliding connection has flexible piece (112) between the inner wall of second fixed block (111), be provided with second spring (113) between flexible piece (112) and second fixed block (111), second fixed slot (114) have been seted up on the surface of flexible piece (112), and second fixed slot (114) and first fixed slot (15) looks adaptation.

4. The apparatus for testing the bending fatigue property of a coronary angiography catheter according to claim 1, wherein: second fixed establishment (13) are including joint (131), the surface of joint (131) and the inner wall sliding connection of U type frame (10), be provided with third spring (132) between the inner wall of joint (131) and U type frame (10), the surperficial bolt joint of joint (131) has adjusted pole (133), second fixed orifices (134) have been seted up on the surface of push rod (12), and second fixed orifices (134) and joint (131) looks adaptation.

5. The apparatus for testing the bending fatigue property of a coronary angiography catheter according to claim 1, wherein: the fixed surface of dwang (8) has cup jointed gear (16), and the surface intermeshing of two gear (16), and gear (16) are located the inside of box (1).

6. The apparatus for testing the bending fatigue property of a coronary angiography catheter according to claim 1, wherein: the surface of the pressing plate (14) is bolted with a sliding block (17), the surface of the sliding block (17) is connected with a sliding groove (18) in a sliding mode, and the sliding groove (18) is formed in the inner wall of the U-shaped frame (10).

7. The apparatus for testing the bending fatigue property of a coronary angiography catheter according to claim 1, wherein: the surface of the supporting plate (9) is bolted with a strip-shaped block (19), and the surface of the strip-shaped block (19) is provided with a round hole (20).