Double-cavity visible catheter for arterial thrombus extraction

Abstract

The utility model belongs to the technical field of double-cavity visual catheters, and particularly relates to a double-cavity visual catheter for artery thrombus extraction, which comprises a catheter main body, an operation cavity is arranged in the catheter main body, the side wall of the catheter main body is fixedly connected with an operation cavity outer tube, and one end of the operation cavity outer tube far away from the catheter main body is provided with a control assembly. The control assembly comprises a control body, the control body is fixedly connected to the side wall of the guide pipe body, a circulation groove is formed in the control body, a spring groove is formed in the control body, a spring is fixedly connected to the inner wall of the spring groove, one end of the spring is fixedly connected with a moving block, and a clamping pin is fixedly connected to the side wall of the moving block. The medicine suction device is reasonable in structure, medicine can be effectively prevented from flowing out when the suction device is replaced, and the adjacent moving blocks are matched with the sealing gaskets so that the medicine can be well intercepted.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of double -cavity visible catheter, concretely is a kind of double -cavity visible catheter for arterial thrombus extraction. BACKGROUND

[0002] Double-cavity catheter for arterial thrombus extraction is an important medical tool, which is safe in material, can effectively enter arterial blood vessels, and realizes functional diversity with double-cavity design, and the visual function can enable medical staff to clearly observe the environment in the blood vessel, and plays a key role in thrombus extraction.

[0003] The existing double-cavity visible catheter for arterial thrombus extraction usually needs to replace the suction device to extract excess thrombolytic drugs and dissolved thrombus after injecting thrombolytic drugs, and part of the drugs can easily flow out during replacement, causing pollution and safety hazards. SUMMARY

[0004] The utility model discloses a kind of double-cavity visible catheters for arterial thrombus extraction, which can effectively avoid drug outflow when replacing suction device, and adjacent moving block cooperates with gasket to intercept drugs well.

[0005] To achieve the above object, the utility model adopts the technical scheme that provide a kind of double-cavity visible catheter for arterial thrombus extraction, including catheter main part, the inside of catheter main part is equipped with operating cavity, the side wall of catheter main part is fixedly connected with operating cavity outer tube, the end of operating cavity outer tube away from catheter main part is installed with control assembly, the control assembly includes control main part, the side wall of control main part is fixedly connected on catheter main part, the inside of control main part is equipped with flow-through slot, the inside of control main part is equipped with spring slot, the number of spring slot is two, the inner wall of spring slot is fixedly connected with spring, one end of spring is fixedly connected with moving block, the side wall of moving block is fixedly connected with clamping pin, the inside of control main part is equipped with rotary slot, the inner wall of rotary slot is movably installed with rotary disc, the side wall of rotary disc is equipped with arc slot, the number of arc slot is two, the clamping pin is located in the inside of arc slot.

[0006] Optionally, the outer surface of the control main part is provided with a moving slot, and the outer surface of the rotary disc is fixedly connected with a dial block, and the dial block is located in the inside of the moving slot.

[0007] Optionally, the side wall of the moving block is provided with a first sealing groove, and the inner surface of the first sealing groove is fixedly connected with a sealing pad.

[0008] Optionally, the inner wall of the rotary slot is provided with a second sealing groove, and the inner surface of the second sealing groove is fixedly connected with a sealing ring, and the control main part is fixedly connected with a first connecting port away from the operating cavity outer tube.

[0009] Optionally, the side wall of the catheter body is fixedly connected with a balloon cavity outer tube, the inside of the catheter body is provided with a balloon cavity, the outer surface of the catheter body is provided with a communication groove, the communication groove is communicated with the balloon cavity, and the outer surface of the catheter body is sleeved with a balloon.

[0010] Optionally, the end of the balloon cavity outer tube away from the catheter body is fixedly connected with a sealing valve, and the end of the sealing valve away from the balloon cavity outer tube is fixedly connected with a second connecting port.

[0011] Optionally, the outer surface of the catheter body is provided with a first ring groove, the inner surface of the first ring groove is fixedly connected with a first developing ring, the outer surface of the catheter body is provided with a second ring groove, and the inner surface of the second ring groove is fixedly connected with a second developing ring.

[0012] Optionally, the outer surface of the catheter body is provided with a mounting groove, and the inner wall of the mounting groove is fixedly connected with a micro camera.

[0013] Compared with the prior art, the utility model has the advantages of the following beneficial effects:

[0014] The utility model discloses the operation cavity outer tube and operation cavity are provided, need to dissolve thrombus, connect the outside injection device to the first connecting port, then rotate the knob, drive the rotation plate rotation, because the setting of arc -shaped groove, will drive adjacent card pin each other away, thereby drive adjacent moving block each other away, spring compression, at this moment can inject thrombolytic drug into the first connecting port through the outside injection device, and thrombolytic drug enters thrombus part in proper order through the flow -through groove, operation cavity outer tube and operation cavity, loosen the knob after a period of time, at this moment, thrombus has dissolved completely, and spring resets simultaneously, drive adjacent moving block and card pin each other close, and adjacent moving block re -closes and blocks up flow -through groove, avoid thrombolytic drug and dissolved thrombus backflow, and then take down the outside injection device, connect the suction device to the first connecting port, and the adjacent moving block is separated from each other by repeating the above operation, so that thrombolytic drug and dissolved thrombus are sucked out together. The utility model discloses the adjacent moving block cooperation sealing pad can intercept medicine well, avoid the outflow of medicine. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the following will be to the embodiment or the prior art description needed to use the drawing briefly introduce, obviously, the following description in the drawing is only some embodiments of the utility model, for those skilled in the art, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0016] Figure 1 It is the whole structure schematic diagram of the utility model;

[0017] Figure 2 For the utility model Figure 1 The enlarged structural schematic view of A in the middle;

[0018] Figure 3 For the overall structure of the utility model sectional view;

[0019] Figure 4 For the utility model Figure 3 The enlarged structural schematic view of B in the middle;

[0020] Figure 5 For the utility model of the moving block structure diagram;

[0021] Figure 6 For the structure schematic view of the utility model turntable.

[0022] In the figure: 1, catheter main body; 2, operating cavity outer tube; 3, control assembly; 301, control main body; 302, spring groove; 303, spring; 304, moving block; 305, bayonet lock; 306, rotation groove; 307, turntable; 308, arc-shaped groove; 309, moving groove; 310, push block; 311, first sealing groove; 312, sealing pad; 313, second sealing groove; 314, sealing ring; 315, first connecting port; 316, flow-through groove; 4, operating cavity; 5, balloon cavity outer tube; 6, balloon cavity; 7, communication groove; 8, balloon; 9, sealing valve; 10, second connecting port; 11, mounting groove; 12, miniature camera; 13, first ring groove; 14, first developing ring; 15, second ring groove; 16, second developing ring. DETAILED DESCRIPTION

[0023] In order to make the technical problems, technical schemes and beneficial effects to be solved by the utility model more clearly understood, the utility model will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0024] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0025] It should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like specify the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0026] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0027] With reference to Figures 1-6The utility model discloses a kind of double-cavity visible catheter for artery thrombus, including catheter main body 1, the inside of catheter main body 1 is provided with operating cavity 4, operating cavity outer tube 2 is fixedly connected in the lateral wall of catheter main body 1, operating cavity outer tube 2 is communicated with operating cavity 4, operating cavity outer tube 2 is installed with control assembly 3 at the end away from catheter main body 1, control assembly 3 includes control main body 301, control main body 301 is fixedly connected on the lateral wall of catheter main body 1, the inside of control main body 301 is provided with flow-through groove 316, the inside of control main body 301 is provided with spring groove 302, the number of spring groove 302 is two, the inner wall of spring groove 302 is fixedly connected with spring 303, one end of spring 303 is fixedly connected with moving block 304, the lateral wall of moving block 304 is fixedly connected with pin 305, the inside of control main body 301 is provided with rotary groove 306, the inner wall of rotary groove 306 is movably installed with rotary disc 307, the lateral wall of rotary disc 307 is provided with arc slot 308, the number of arc slot 308 is two, pin 305 is located in the inside of arc slot 308, when needing to dissolve thrombus, outside injection device is connected to first connecting port 315, then rotary knob 310 is rotated, rotary disc 307 is rotated, because the setting of arc slot 308, adjacent pin 305 is driven away from each other, to drive adjacent moving block 304 away from each other, spring 303 is compressed, thrombolytic drug can be injected into first connecting port 315 by outside injection device at this time, thrombolytic drug enters thrombus site by flow-through groove 316, operating cavity outer tube 2 and operating cavity 4 in turn, after a period of time, knob 310 is loosened, thrombus has been dissolved at this time, spring 303 resets, adjacent moving block 304 and pin 305 are driven to approach each other, adjacent moving block 304 re-closes and blocks flow-through groove 316, to avoid thrombolytic drug and dissolved thrombus backflow, outside injection device is removed, suction device is connected to first connecting port 315, adjacent moving block 304 is driven away from each other by repeating the above operation, to suction thrombolytic drug and dissolved thrombus, the outer surface of control main body 301 is provided with moving groove 309, the outer surface of rotary disc 307 is fixedly connected with knob 310, knob 310 can drive rotary disc 307 to rotate by being rotated, knob 310 is located in the inside of moving groove 309, the lateral wall of moving block 304 is provided with first sealing groove 311, the inner surface of first sealing groove 311 is fixedly connected with sealing pad 312, sealing pad 312 is fixed on one of moving block 304, sealing pad 312 can make adjacent moving block 304 play sealing effect after being closed, the inner wall of rotary groove 306 is provided with second sealing groove 313, the inner surface of second sealing groove 313 is fixedly connected with sealing ring 314, sealing ring 314 plays certain sealing effect, can prevent liquid in operating cavity outer tube 2 from flowing to the outside of control assembly 3 along gap, the side of control main body 301 away from operating cavity outer tube 2 is fixedly connected with first connecting port 315.

[0028] The double-cavity visible catheter for removing blood clots from arteries can effectively avoid drug outflow when replacing the suction device, and the adjacent moving block 304 cooperates with the gasket 312 to effectively intercept the drug.

[0029] In another embodiment of the utility model, please refer to Figures 1 to 6 , the side wall of the catheter body 1 is fixedly connected with a balloon cavity outer tube 5, the inside of the catheter body 1 is provided with a balloon cavity 6, the outer surface of the catheter body 1 is provided with a communication groove 7, the communication groove 7 is communicated with the balloon cavity 6, the outer surface of the catheter body 1 is sleeved with a balloon 8, and the second connecting port 10 is used for connecting an external injector, when the balloon 8 needs to be inflated, the sealing valve 9 is opened, so that the injector is used to inject sterile physiological saline into the second connecting port 10, and the liquid sequentially passes through the sealing valve 9, the balloon cavity outer tube 5, the balloon cavity 6 and the communication groove 7 and finally enters the balloon 8, so that the balloon 8 is inflated; the liquid in the balloon 8 can be pumped out without inflating the balloon 8; the end of the balloon cavity outer tube 5 away from the catheter body 1 is fixedly connected with the sealing valve 9, and the end of the sealing valve 9 away from the balloon cavity outer tube 5 is fixedly connected with the second connecting port 10.

[0030] In another embodiment of the utility model, please refer to Figures 1 to 6 , the outer surface of the catheter body 1 is provided with a first ring groove 13, the inner surface of the first ring groove 13 is fixedly connected with a first developing ring 14, the outer surface of the catheter body 1 is provided with a second ring groove 15, the inner surface of the second ring groove 15 is fixedly connected with a second developing ring 16, and the first developing ring 14 and the second developing ring 16 can show the position under the irradiation of X-ray, so as to judge the specific position of the balloon 8; the outer surface of the catheter body 1 is provided with a mounting groove 11, the inner wall of the mounting groove 11 is fixedly connected with a micro camera 12, and the micro camera 12 is used for shooting the video in the moving process of the catheter body 1, so as to observe whether there is a blood clot.

[0031] The above only describes the preferred embodiment of the utility model, and is not used for limiting the utility model, and any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A double lumen visual catheter for arterial thrombus removal, comprising a catheter body (1), characterized in that: The inside of the catheter body (1) is provided with an operation cavity (4), the side wall of the catheter body (1) is fixedly connected with an operation cavity outer tube (2), one end of the operation cavity outer tube (2) away from the catheter body (1) is provided with a control assembly (3), the control assembly (3) comprises a control body (301), the control body (301) is fixedly connected on the side wall of the catheter body (1), the inside of the control body (301) is provided with a flow-through groove (316), the inside of the control body (301) is provided with a spring groove (302), the number of the spring groove (302) is two, the inner wall of the spring groove (302) is fixedly connected with a spring (303), one end of the spring (303) is fixedly connected with a moving block (304), the side wall of the moving block (304) is fixedly connected with a locking pin (305), the inside of the control body (301) is provided with a rotating groove (306), the inner wall of the rotating groove (306) is movably installed with a rotating disc (307), the side wall of the rotating disc (307) is provided with an arc-shaped groove (308), the number of the arc-shaped groove (308) is two, and the locking pin (305) is located in the arc-shaped groove (308).

2. The dual lumen visual catheter for arterial thrombus removal of claim 1, wherein: The outer surface of the control body (301) is provided with a moving groove (309), the outer surface of the rotating disc (307) is fixedly connected with a dial block (310), and the dial block (310) is located in the moving groove (309).

3. The dual lumen visual catheter for arterial thrombus removal of claim 1, wherein: The side wall of the moving block (304) is provided with a first sealing groove (311), and the inner surface of the first sealing groove (311) is fixedly connected with a sealing gasket (312).

4. The dual lumen visual catheter for arterial thrombus removal of claim 1, wherein: The inner wall of the rotating groove (306) is provided with a second sealing groove (313), and the inner surface of the second sealing groove (313) is fixedly connected with a sealing ring (314).

5. The dual lumen visual catheter for arterial thrombus removal of claim 1, wherein: One side of the control body (301) away from the operation cavity outer tube (2) is fixedly connected with a first connecting port (315).

6. The dual lumen visual catheter for arterial thrombus removal of claim 5, wherein: The side wall of the catheter body (1) is fixedly connected with a balloon cavity outer tube (5), the inside of the catheter body (1) is provided with a balloon cavity (6), the outer surface of the catheter body (1) is provided with a communication groove (7), the communication groove (7) is communicated with the balloon cavity (6), and the outer surface of the catheter body (1) is sleeved with a balloon (8).

7. The dual lumen visual catheter for arterial thrombus removal of claim 1, wherein: One end of the balloon cavity outer tube (5) away from the catheter body (1) is fixedly connected with a sealing valve (9), and one end of the sealing valve (9) away from the balloon cavity outer tube (5) is fixedly connected with a second connecting port (10).

8. The dual lumen visual catheter for arterial thrombus removal of claim 1, wherein: The outer surface of the catheter body (1) is provided with a first ring groove (13), and the inner surface of the first ring groove (13) is fixedly connected with a first developing ring (14); the outer surface of the catheter body (1) is provided with a second ring groove (15), and the inner surface of the second ring groove (15) is fixedly connected with a second developing ring (16). The outer surface of the catheter body (1) is provided with a mounting groove (11), and the inner wall of the mounting groove (11) is fixedly connected with a miniature camera (12).

Images