CN215228132U

CN215228132U - Clamping head for thrombus clamping device

Info

Publication number: CN215228132U
Application number: CN202120522564.7U
Authority: CN
Inventors: 李慧欣; 付鑫洋; 蔡龙浩; 顾沈明
Original assignee: Zhejiang Ocean University ZJOU
Current assignee: Zhejiang Ocean University ZJOU
Priority date: 2021-03-12
Filing date: 2021-03-12
Publication date: 2021-12-21
Anticipated expiration: 2031-03-12

Abstract

The utility model provides a clamping head for a thrombus clamping device, which relates to the field of medical instruments and comprises a front shell, a rear shell, an aerating device, a thrombus probe and a conduction device, wherein the aerating device is respectively arranged at the rear part of the front shell and the front part of the rear shell, the conduction device is arranged at the front end of the rear shell, the front end of the thrombus probe is arranged and communicated with the conduction device, a pushing device is arranged in the front shell, the output end of the pushing device is provided with a motor, the output end of the motor is provided with a rotating platform, a sliding column is arranged on the rotating platform, a first pushing block is sleeved outside the sliding column and is in sliding connection with the sliding column, the first pushing block is provided with a plurality of hinged connecting rods II along the circumferential direction, the rotating block is hinged with a plurality of connecting rods I along the circumferential direction, one end of the first connecting rod, which is far away from the rotating platform, is provided with a blade, and one end of the second connecting rod, which is far away from the sliding column, is hinged with the first connecting rod, and the second cylinder enables the first connecting rod to be opened and closed. The utility model discloses a can effectually clear away the outside of thrombus, prevent to block up repeatedly.

Description

Clamping head for thrombus clamping device

Technical Field

The utility model relates to the technical field of medical equipment, specifically a press from both sides and get head that is used for thrombus clamp to get device.

Background

The blood vessel embolism refers to the coagulation in blood vessels, the embolism of the lumen, which leads to the blood circulation failure, the blood vessel embolism often leads to the ischemia of the blood supply organ, the danger even leads to the necrosis, and because the age of the disease is mostly old people, their physical quality is poor and the treatment to the blood vessel needs to be completed in a short time, which leads to the occurrence of large-area cerebral infarction or the necrosis of the organ, which causes irretrievable results. Because thrombus is generated by long-term accumulation, thrombus is generated at some larger blood vessels and is hard to be close to the blood vessel wall, and the central part of the blood vessel is soft, but the clamping head of the existing thrombus clamping device can only break through the soft part in the middle of the blood vessel, but can not break through the hard part at the outer side of the blood vessel, so that the disease frequently occurs repeatedly.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a press from both sides and get head for device is got to thrombus clamp has solved the problem of proposing in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a press from both sides and get head for device is got to thrombus clamp, includes procapsid, back casing, aerating device, thrombus probe and switches on the device, aerating device sets up respectively in the rear portion of procapsid and the front portion of back casing, the front end of device installation in back casing switches on, the front end of thrombus probe installation and switch on device, its characterized in that: the front shell is internally provided with a pushing device, the output end of the pushing device is provided with a motor, the output end of the motor is provided with a rotating table, a sliding column is arranged on the rotating table, a first pushing block is sleeved outside the sliding column and is in sliding connection with the sliding column, a plurality of hinged first connecting rods are arranged on the first pushing block along the circumferential direction, a plurality of first connecting rods are hinged on the rotating table along the circumferential direction, one end of the first connecting rod, far away from the rotating table, is provided with a blade, and one end of the second connecting rod, far away from the sliding column, is hinged with the first connecting rod; and a second air cylinder is arranged above the first pushing block, the output end of the second air cylinder is connected with the first pushing block, the second air cylinder is pivoted with the rear shell, and the second air cylinder is used for opening and closing the first connecting rod.

Preferably, a pushing block II is arranged below the pushing block I, the pushing block II is connected with the sliding column in a sliding mode, the pushing block II is connected with the pushing block I through a fixing rod, a plurality of connecting rods III are hinged to the outer portion of the pushing block II along the circumferential direction, a connecting rod IV is hinged to the outer portion of the rotating platform along the circumferential direction, one end, far away from the pushing block II, of the connecting rod III is hinged to the connecting rod IV, and a wall protection baffle is arranged at one end, far away from the rotating platform, of the connecting rod IV; when the first connecting rod and the third connecting rod are opened, the wall protection baffle is contacted with the inner side of the blood vessel wall, and the blade is not contacted with the blood vessel wall.

Preferably, the pushing device is a cylinder I.

(III) advantageous effects

The utility model provides a press from both sides and get head that is used for thrombus clamp to get device. The method has the following beneficial effects:

1. this a press from both sides and get head for device is got to thrombus is through setting up connecting rod one, connecting rod two, connecting rod three and connecting rod four between preceding casing and back casing to set up blade and dado baffle respectively on connecting rod one and connecting rod three, open connecting rod one and connecting rod three through cylinder two, make the outside of the thrombus of better clearance, prevent that the disease from relapseing many times.

Drawings

FIG. 1 is a schematic structural view of the present invention;

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

fig. 3 is a schematic view showing a state where the grasping head passes through the thrombus.

Fig. 4 is a schematic view of the gripping head in an open state.

In the figure: 1. the thrombus-aspiration device comprises a front shell 2, a rear shell 3, an inflating device 4, a communicating device 5, a thrombus probe 6, a blade 7, a first connecting rod 8, a second connecting rod 9, a first pushing block 10, a retaining wall baffle 11, a third connecting rod 12, a fourth connecting rod 13, a second pushing block 14, a sliding column 15, a first cylinder 16, a motor 17, a second cylinder 18, a rotating table 19, a blood vessel 20 and thrombus.

Detailed Description

The embodiment of the utility model provides a press from both sides and get head for thrombus clamping device, as shown in fig. 1-4, including procapsid 1, back casing 2, aerating device 3, thrombus probe 5 and switching on device 4, wherein aerating device 3 package piece air pump and gasbag, the air pump is the gasbag inflation, make the gasbag expand and thus strut blood vessel 19 and fix and get the head; after thrombus 20 is detected after thrombus probe 5 gets into blood vessel 19, through the thrombus of high-speed rotatory device 4 that switches on for thrombus 20 is located to press from both sides and gets between the first front and back aerating device 3 of clamp, switches on the device and includes high-speed rotating electrical machines and rotating head, drives the high-speed rotation of rotating head through the thrombus through rotating electrical machines. An inflator 3 is mounted to the rear of the front housing 1 and the front of the rear housing 2 for expanding the wall of the blood vessel 19 and securing the grasping head. The conducting apparatus 4 is mounted at the front end of the rear housing 2 for passing through the thrombus 20 so that the grasping head is located between the thrombus 20, while the thrombus probe 5 is mounted at the front end of the conducting apparatus 4 for detecting the thrombus 20 in the blood vessel 19. When the thrombus probe 5 detects the thrombus 20, the thrombus 20 is passed through by the conduction device 4 and positioned between the grasping heads, and the inflator 3 is inflated, so that the wall of the blood vessel 19 is expanded and the grasping heads are fixed.

Inside the front housing 1, a pushing device is mounted, and at the output end of the pushing device, a motor 16 is provided for pushing the motor 16 to move toward the rear housing 2, in this embodiment, the pushing device is a cylinder one 15. The output end of the motor 16 is provided with a rotating table 18, the rotating table 18 is provided with a sliding column 14, the sliding column 14 is sleeved with a first pushing block 9 and is in sliding connection with the sliding column 14 and can move back and forth along the direction of the sliding column 14, the outer side of the first pushing block 9 is provided with a plurality of connecting rods 8 along the circumferential direction, the connecting rods 8 are hinged with the first pushing block 9, the outer side of the rotating table 18 is provided with a plurality of connecting rods 7 along the circumferential direction, the connecting rods 7 are hinged with the rotating table 18, and one end, far away from the sliding column 14, of each connecting rod 8 is hinged with the corresponding connecting rod 7, so that when the pushing block moves towards the front shell 1, the corresponding connecting rod 7 can be opened, and one end, far away from the rotating table 18, of the corresponding connecting rod 7 is provided with a blade 6 for cutting off the outer side of the thrombus 20. The second air cylinder 17 is arranged above the first pushing block 9, the output end of the second air cylinder 17 is connected with the first pushing block 9, the first pushing block 9 can slide up and down on the sliding column 14 through the second air cylinder 17, the second air cylinder 17 is pivoted with the rear shell 2, and the first connecting rod 7 is always in an open state and rotates to move forwards through the mutual matching of the first air cylinder 15 and the second air cylinder 17.

The outer side of the rotating platform 18 is further provided with a third connecting rod 11 along the circumferential direction, the third connecting rod 11 is hinged to the rotating platform 18, a second pushing block 13 is arranged below the first pushing block 9, the second pushing block 13 is also connected with the sliding column 14 in a sliding mode, the first pushing block 9 and the second pushing block 13 are fixedly connected through a fixing rod, when the first pushing block 9 slides up and down, the second pushing block 13 is driven to slide up and down, a plurality of fourth connecting rods 12 are arranged on the outer side of the second pushing block 13 along the circumferential direction, the fourth connecting rods 12 are hinged to the second pushing block 13, and one ends, far away from the second pushing block 13, of the fourth connecting rods 12 are hinged to the third connecting rods 11. One end of the connecting rod III 11, which is far away from the rotating platform 18, is provided with a wall protection baffle 10, the pushing block I9 and the pushing block II 13 simultaneously move downwards through pushing of the air cylinder II 17, the connecting rod I7 and the connecting rod III 11 are simultaneously opened, the wall protection baffle 10 on the connecting rod III 11 is in contact with the inner wall of the blood vessel 19, the blade 6 on the connecting rod I7 is not in contact with the inside of the blood vessel 19, and the blade 6 is prevented from damaging the blood vessel 19.

The working principle is as follows: when a clamping head for a thrombus clamping device is used, the clamping head is moved to a specified position through a thrombus probe 5, the clamping head is moved to a position between thrombus 20 through a conduction device 4, a blood vessel 19 is expanded and fixed through an inflation device 3 on a front shell 1 and a rear shell 2, the blade 6 and a dado baffle 10 are opened through a second air cylinder 17, the blade 6 and the dado baffle 10 are driven to rotate through a motor 16, and the motor 16 is driven to advance through a first air cylinder 15 and is matched with the second air cylinder 17, so that the outer side of the thrombus 20 can be cleaned.

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 press from both sides and get head for device is got to thrombus clamp, includes procapsid (1), back casing (2), aerating device (3), thrombus probe (5) and switches on device (4), aerating device (3) set up respectively in the rear portion of procapsid (1) and the front portion of back casing (2), switch on device (4) and install the front end in back casing (2), the front end of thrombus probe (5) installation and switching on device (4), its characterized in that: the front shell body (1) is internally provided with a pushing device, a motor (16) is arranged at the output end of the pushing device, a rotating table (18) is arranged at the output end of the motor (16), a sliding column (14) is arranged on the rotating table (18), a first pushing block (9) is sleeved outside the sliding column (14), the first pushing block (9) is in sliding connection with the sliding column (14), a plurality of hinged second connecting rods (8) are arranged on the first pushing block (9) along the circumferential direction, a plurality of first connecting rods (7) are hinged on the rotating table (18) along the circumferential direction, a blade (6) is arranged at one end, away from the rotating table (18), of each first connecting rod (7), and one end, away from the sliding column (14), of each second connecting rod (8) is hinged with the corresponding first connecting rod (7); and a second air cylinder (17) is arranged above the first pushing block (9), the output end of the second air cylinder (17) is connected with the first pushing block (9), the second air cylinder (17) is pivoted with the rear shell (2), and the second air cylinder (17) is used for opening and closing the first connecting rod (7).

2. A grasping head for a thrombus grasping apparatus according to claim 1, characterized in that: a second pushing block (13) is arranged below the first pushing block (9), the second pushing block (13) is in sliding connection with a sliding column (14), the second pushing block (13) is connected with the first pushing block (9) through a fixed rod, a plurality of third connecting rods (11) are hinged to the outer portion of the second pushing block (13) along the circumferential direction, a fourth connecting rod (12) is hinged to the outer portion of the rotating table (18) along the circumferential direction, one end, far away from the second pushing block (13), of the third connecting rod (11) is hinged to the fourth connecting rod (12), and a wall protection baffle (10) is arranged at one end, far away from the rotating table (18), of the fourth connecting rod (12); when the first connecting rod (7) and the third connecting rod (11) are opened, the wall protection baffle (10) contacts the inner side of the wall of the blood vessel (19), and the blade (6) does not contact the wall of the blood vessel (19).

3. A grasping head for a thrombus grasping apparatus according to claim 1, characterized in that: the pushing device is a first air cylinder (15).