Clinical contrast injection device for cardiovascular treatment

Abstract

The invention relates to the technical field of angiography injection devices, in particular to a clinical angiography injection device for cardiovascular treatment, which comprises an injection module, the injection module comprises an injector, a three-connection three-way tube and an extension tube, the injector, the three-connection three-way tube and the extension tube are integrally formed, and the angiography injection device further comprises a main control module, the main control module comprises a shell which is internally provided with a positioning containing cavity and is convenient to hold by hand, and a driving assembly capable of driving the driving end of the injector to move is arranged in the shell. The portion, close to the output end, of the extension tube and the three-connection three-way tube are located outside the shell through the inlet and outlet end controlled by the valve, a control chip is arranged in the shell, a touch display screen is arranged on the outer wall of the shell, electric precise control over the radiography injection process is achieved, and meanwhile the main control module has the advantage of being convenient to hold by hand. The defects of an existing radiography device are overcome.

Description

Technical Field

[0001] The invention relates to the technical field of contrast injection devices, and in particular to a clinical contrast injection device for cardiovascular treatment. Background Art

[0002] The existing contrast injection devices include manual injection and electric injection. The manual contrast injection device includes a syringe, a three-way tube and an extension tube. The three-way tube has two connecting ends and three inlet and outlet ends. The two connecting ends are located at the two ends of the length direction of the three-way tube, respectively used to connect with the syringe and the extension tube, and the three inlet and outlet ends are respectively used to connect with the contrast agent input tube, the saline input tube, and the pressure monitoring input tube. Rotary valves are provided on the three inlet and outlet ends to control the opening and closing of the three inlet and outlet ends. The doctor controls the driving end of the syringe to extract the contrast solution. The existing manual contrast injection device has the following defects: the doctor manually controls the syringe to extract and inject, and the force is not enough to accurately control the injection. The manual contrast injection device is not easy to be controlled, so the injection volume cannot be accurately controlled. In addition, since the contrast fluid is generally more viscous at low temperatures, the force is more difficult to control. The viscous contrast fluid is also easy to leak from the two connecting ends of the triple three-way tube due to the high injection pressure. The existing electric contrast injection device does not have a series of problems with the manual contrast injection device, such as the existing double-syringe high-pressure syringe. However, the existing electric contrast injection device is generally large, and the doctor cannot meet the need of holding it. During the contrast injection process, the doctor needs to watch the working condition of the electric contrast injection device while observing the imaging of the contrast fluid inside the human blood vessels, which is inconvenient to operate. Based on the above situation, it is necessary to design a clinical contrast injection device for cardiovascular treatment to solve the above problems. Summary of the invention

[0003] The present invention provides a clinical angiography injection device for cardiovascular treatment, which realizes electric and precise control of the angiography injection process by installing an existing manual injection angiography device inside a main control module. At the same time, the main control module has the advantage of being easy to hold, thus solving the disadvantages of the existing angiography device.

[0004] The technical problem solved by the present invention is achieved by adopting the following technical solutions:

[0005] The present invention provides a clinical angiography injection device for cardiovascular treatment, comprising an injection module, wherein the injection module comprises a syringe, a three-way tube and an extension tube, wherein the syringe, the three-way tube and the extension tube are integrally formed, and the angiography injection device also comprises a main control module, wherein the main control module comprises a shell having a positioning accommodating cavity inside and convenient for hand-holding, and a driving component inside the shell that can drive the driving end of the syringe to move. When the injection module is inside the positioning accommodating cavity of the shell, the part of the extension tube close to the output end and the inlet and outlet ends of the three-way tube controlled by a valve are outside the shell, a control chip is inside the shell, and a touch display screen is arranged on the outer wall of the shell, wherein the control chip is used to control the operation of the driving component, and the touch display screen is used to display data parameters of the angiography injection process.

[0006] Preferably, the valve on the three-way three-way pipe is an electromagnetic valve, and a first control button is provided on the shell at a position corresponding to the electromagnetic valve, the output end of the first control button is connected to the input end of the control chip, the output end of the control chip is used to output a control signal, and the control signal is used to control the electromagnetic valve.

[0007] Preferably, the shell includes a front cover connected to the handle portion and a rear cover detachably connected to the front cover, the front cover and the rear cover are provided with accommodating grooves, the positioning accommodating cavity is defined by combining the accommodating grooves on the front cover and the rear cover, a second control button is provided on the handle portion, an output end of the second control button is connected to an input end of a control chip, the output end of the control chip is used to output a control signal, and the control signal is used to control the operation of the drive component.

[0008] Preferably, a rechargeable power source is provided inside the handle portion.

[0009] Preferably, the injection module is provided with a wire, the housing is provided with a wire connection port, and the electronic components on the injection module are connected to the control chip via the wire.

[0010] Preferably, a temperature sensor is provided at the output end of the extension tube, a heating wire is provided inside the extension tube, the output end of the temperature sensor is connected to the input end of the control chip, the output end of the control chip is used to output a control signal, and the control signal is used to control the operation of the heating wire.

[0011] Preferably, the drive assembly includes a motor fixed inside the shell, a screw at the output end of the motor, a drive plate threadedly engaged with the outer wall of the screw, and a guide rod fixed inside the shell parallel to the screw and sliding through the drive plate, and a slot is provided on the drive plate for accommodating the drive end of the syringe.

[0012] Preferably, a filter tube is further provided at the input end of the extension tube, and a filter screen is provided inside the filter tube.

[0013] Preferably, a flow rate sensor is also provided on the extension tube, and the flow rate sensor is used to provide a flow rate signal to the control chip.

[0014] The beneficial effect of the present invention is that the existing active contrast injection device is modified and placed inside a main control module that is easy to hold, so that it can be easily operated by hand and can also achieve accurate control of the injection amount of contrast solution.

[0015] By setting a heating wire and a temperature sensor on the extension tube, the problem of contrast fluid becoming viscous due to low temperature, resulting in excessive injection pressure, can be avoided. By heating, the contrast fluid can also be kept consistent with the body temperature when entering the human body, reducing human discomfort.

[0016] The main control module is equipped with a touch screen to facilitate human-computer interaction and also to allow personnel to observe parameter information of the contrast fluid injection process in real time. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0018] Figure 1 This is a schematic diagram of the structure of the existing manual contrast injection device of the present invention:

[0019] Figure 2 It is a schematic diagram of the positive isometric side of the present invention;

[0020] Figure 3 It is a schematic diagram of the back isometric side of the present invention;

[0021] Figure 4 It is a schematic diagram of the structure of the front cover and the rear cover being separated according to the present invention;

[0022] Figure 5 This is a schematic diagram of the structure of the injection module and the host module being separated according to the present invention;

[0023] Figure 6 is a cross-sectional view of the present invention;

[0024] Figure 7 It is a schematic diagram of the structure of the driving assembly of the present invention;

[0025] Figure 8It is a schematic cross-sectional view of the extension tube of the present invention;

[0026] Fig. 9 For the present invention Figure 8 A schematic diagram of the enlarged structure at A in the middle;

[0027] Fig.10 For the present invention Figure 8 A schematic diagram of the enlarged structure at B in the middle;

[0028] Fig.11 This is a circuit schematic diagram of the control chip of the present invention controlling the heating wire to work.

[0029] In the figure, 1. syringe; 2. triple three-way tube; 3. extension tube; 301. flow rate sensor; 302. heating wire; 303. temperature sensor; 304. filter tube; 305. filter screen; 4. contrast fluid tube inlet and outlet; 5. saline tube inlet and outlet; 6. pressure monitoring tube inlet and outlet; 7. valve; 8. wire; 9. plug connector; 10. handle; 11. front cover; 12. back cover; 13. receiving slot; 14. drive assembly; 1401. motor; 1402. lead screw; 1403. drive board; 1404. card slot; 1405. guide rod; 15. touch screen; 16. control chip; 17. rechargeable power supply; 18. second control button; 19. first control button; 20. wire connection port; 21. buckle; 22. charging cable jack. DETAILED DESCRIPTION

[0030] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below with reference to specific diagrams.

[0031] In order to enable those skilled in the art to understand the innovation of the present invention, the prior art involved in the present invention is first introduced. Figure 1The present invention is an existing manual contrast injection device, which includes a syringe 1, a three-way tube and an extension tube 3, wherein the three-way tube 2 has two connecting ends and three inlet and outlet ends, the two connecting ends are located at both ends of the length direction of the three-way tube, and are respectively used to connect with the syringe 1 and the extension tube 3, and the side wall of the three-way tube 2 has three inlet and outlet ends, from the connecting end close to the syringe 1 to the connecting end connected to the extension tube 3, which are the contrast liquid tube inlet and outlet end 4, the saline tube inlet and outlet end 5 and the pressure monitoring tube inlet and outlet end 6, respectively, the three inlet and outlet ends The opening and closing are controlled by valve 7 (opening and closing are controlled by rotation). The above is the structure of the existing manual contrast injection device. The defect of the above manual contrast injection device is that the doctor injects the contrast solution by manually pushing the syringe 1, and the force is not easy to control, so the injection amount of the contrast solution cannot be accurately controlled. At the same time, the existing electric contrast injection device (not shown in the figure, such as the existing double-syringe high-pressure syringe 1) is generally large in size, and the doctor cannot hold it when using it, which is inconvenient to use. Based on the above problems, the present invention adopts the following solution to solve them.

[0032] The present invention provides a clinical angiography injection device for cardiovascular treatment, which includes an injection module and a main control module. The injection module has the same commonality with the existing manual angiography injection device in that it is also composed of a syringe 1, a three-way tube and an extension tube 3. The injection module is different from the existing manual angiography injection device in that the syringe 1, the three-way tube and the extension tube 3 are integrally constructed, which fundamentally solves the problem of leakage at the connection due to the high injection pressure caused by the existing plug-in or card-connection connection method. The main control module is a shell with a positioning accommodating cavity inside. The injection module can be fixed in position by being installed inside the positioning accommodating cavity of the shell. A driving component 14 that can drive the driving end of the syringe 1 to move, and a control chip 16 (the control chip 16 here can be understood as the entire control circuit board, because its The control chip 16 is mainly used for logical control, so the control chip 16 is used as the description here). The control chip 16 controls the driving component 14 to drive the driving end of the syringe 1 to move, so as to realize the injection of contrast fluid. Compared with manual control, it is more accurate. Specifically, when the injection module is installed inside the positioning accommodating cavity of the shell, the three inlet and outlet ends of the triple three-way tube 2 are reserved outside the shell for connection with the contrast fluid tube, the saline tube and the pressure monitoring tube. The output end part of the extension tube 3 is also reserved outside the shell for connection with the puncture sheath tube assembly in the human body to realize the injection of contrast fluid into the human body. A touch screen 15 is also provided on the shell (the interactive interface is controlled by the touch screen to assist the doctor in setting parameters) for displaying parameter information of the contrast fluid injection process, such as flow rate, pressure, temperature, injection volume, etc., which will be specifically explained below.

[0033] like Figure 2-Figure 5 As shown, since the air inside the three-way tube needs to be discharged during the injection of the contrast fluid, the traditional manual contrast fluid injection device controls the discharge of gas by controlling the valve 7 on the inlet and outlet ends of the three-way tube. However, the manual operation of the valve 7 may often affect the discharge of air due to the valve 7 not rotating properly, or when the physiological saline is drawn to flush the entire pipeline, the inlet and outlet ends 4 of the contrast fluid tube are not completely closed, affecting the normal flushing process. Based on the above situation, the second difference between the injection module of the present invention and the prior art is that the three inlet and outlet valves 7 on the three-way tube 2 are electromagnetic valves 7, and three first control buttons 19 are arranged at the position of the shell near the three electromagnetic valves 7. By pressing the corresponding The control button is used to control the opening and closing of the electromagnetic valve 7. Specifically, when the first control button 19 corresponding to the inlet and outlet end 4 of the contrast fluid tube is pressed, the first control button 19 sends a signal to the control chip 16. After receiving the signal, the control chip 16 sends a control signal to control the action of the electromagnetic valve 7 corresponding to the inlet and outlet end 4 of the contrast fluid tube. Specifically, it can be pressed once to close, and then pressed again to open, and thus alternately. The first control button 19 can be set with an indicator light to display whether the corresponding electromagnetic valve 7 is open or closed. For example, the indicator light is on for opening, and the indicator light is off for closing. Of course, the touch display screen 15 can also be used to directly display whether the electromagnetic valves 7 on the three inlet and outlet ends are open or closed.

[0034] Specifically, Figure 3-Figure 5 As shown, in order to facilitate the installation of the above-mentioned injection module inside the shell, the shell includes a front cover 11 connected to the handle part 10, and a rear cover 12 detachably connected to the front cover 11, and a receiving groove 13 is provided on the front cover 11 and the rear cover 12, and the positioning receiving cavity is defined by combining the receiving grooves 13 on the front cover 11 and the rear cover 12, and a second control button 18 is provided on the handle part 10, and the output end of the second control button 18 is connected to the input end of the control chip 16, and the output end of the control chip 16 is used to output a control signal, and the control signal is used to control the operation of the drive component 14. Specifically, two second control buttons 18 can be set, one is a second button for extracting contrast fluid, and the other is a second button for injecting contrast fluid. Specifically, the connection method between the front cover 11 and the rear cover 12 can adopt the buckle 21 connection in the accompanying drawing, or other connection methods can be adopted.

[0035] Further, such as Figure 3 and Figure 6 As shown, a rechargeable power source 17 is disposed inside the handle portion 10 of the clinical imaging injection device, and a charging line socket 22 is disposed on the back of the handle portion 10 .

[0036] Further, such as Figure 2As shown, the electronic components of the injection module are connected to the control chip 16 through a wire 8, a plug connector 9 is provided at the end of the wire 8, and a wire connection port 20 is provided on the shell for connecting various sensors (temperature sensor 303, flow rate sensor 301, etc. below) with action devices (such as electromagnetic valve 7, drive component 14, and electric heating wire 302, etc. below) and the control chip 16.

[0037] Further, such as Figure 8-Figure 11 As shown, in order to avoid the contrast fluid becoming viscous due to low temperature, thereby causing a high injection pressure in the contrast fluid delivery pipeline, the injection pressure of the contrast fluid is relatively high during the injection process, which is mainly due to the small diameter of the extension tube 3. The narrow and long extension tube 3 causes a high pressure during the delivery of the contrast fluid with high viscosity. A temperature sensor 303 is provided at the output end of the extension tube 3, and a heating wire 302 is provided inside the extension tube 3. The output end of the temperature sensor 303 is connected to the input end of the control chip 16. The output end of the control chip 16 is used to output a control signal, and the control signal is used to control the operation of the heating wire 302. The contrast fluid enters the human body after heating up, which can also reduce the discomfort of the human body. At the same time, heating can also reduce the viscosity of the contrast fluid.

[0038] Further, such as Fig. 9 As shown, in order to prevent impurities in contrast fluid or saline from entering into human blood vessels (when the rubber stopper of the container containing contrast fluid or saline is punctured with a needle, tiny rubber particles may enter the human body during the injection of contrast fluid, or small particle impurities may fall off due to wear of various components), a filter tube 304 is further provided at the input end of the extension tube 3, and a filter net 305 is provided inside the filter tube 304 to prevent small particle impurities from entering into human blood vessels.

[0039] Further, such as Fig. 9 As shown, a flow rate sensor 301 is also provided on the extension tube 3 , and the control chip 16 can monitor the flow rate of the contrast fluid inside the extension tube 3 through the flow rate sensor 301 , and display it through the touch screen 15 .

[0040] It should be further explained that the drive assembly 14 inside the housing can be implemented in a variety of ways, such as a conventional electric telescopic rod connected to the drive end of the syringe 1, or ... Figure 7The driving mode of the screw rod 1402 driving system provided in the accompanying drawings is that the driving component 14 includes a motor 1401 fixed inside the shell, a screw rod 1402 at the output end of the motor 1401, a driving plate 1403 threadedly engaged with the outer wall of the screw rod 1402, and a guide rod 1405 fixed inside the shell in parallel with the screw rod 1402 and slidingly passing through the driving plate 1403. A card slot 1404 is provided on the driving plate 1403 for accommodating the driving end of the syringe 1. Specifically, when the driving component 14 drives the driving end of the syringe 1 to move, the control chip 16 can control the flow rate of the contrast fluid by calculating the rotation speed of the motor 1401, and can calculate the injection amount of the contrast fluid by calculating the number of rotations of the motor 1401.

[0041] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, and these changes and improvements fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A clinical angiography injection device for cardiovascular treatment, comprising an injection module, wherein the injection module comprises a syringe (1), a three-way tube and an extension tube (3), characterized in that: The syringe (1), the three-way tube and the extension tube (3) are integrally formed. The contrast injection device further comprises a main control module, the main control module comprising a housing having a positioning and accommodating cavity therein and being convenient for holding, a driving assembly (14) being arranged inside the housing and being capable of driving the driving end of the syringe (1) to move. When the injection module is inside the positioning and accommodating cavity of the housing, a portion of the extension tube (3) close to the output end and an inlet and outlet end of the three-way tube controlled by a valve (7) are located outside the housing. A control chip (16) is arranged inside the housing. A touch screen (15) is arranged on the outer wall of the housing. The control chip (16) is used to control the operation of the driving assembly (14), and the touch screen (15) is used to display data parameters of the contrast injection process.

2. A clinical angiography injection device for cardiovascular treatment according to claim 1, characterized in that: The valve (7) on the three-way three-way pipe is an electromagnetic valve (7), and a first control button (19) is arranged on the housing at a position corresponding to the electromagnetic valve (7), and an output end of the first control button (19) is connected to an input end of a control chip (16), and the output end of the control chip (16) is used to output a control signal, and the control signal is used to control the electromagnetic valve (7).

3. A clinical angiography injection device for cardiovascular treatment according to claim 1, characterized in that: The housing comprises a front cover (11) connected to the handle portion (10) and a rear cover (12) detachably connected to the front cover (11); a receiving groove (13) is provided on the front cover (11) and the rear cover (12); the positioning receiving cavity is defined by combining the receiving grooves (13) on the front cover (11) and the rear cover (12); a second control button (18) is provided on the handle portion (10); an output end of the second control button (18) is connected to an input end of a control chip (16); the output end of the control chip (16) is used to output a control signal, and the control signal is used to control the operation of the drive component (14).

4. A clinical angiography injection device for cardiovascular treatment according to claim 3, characterized in that: A rechargeable power source (17) is arranged inside the handle portion (10).

5. A clinical angiography injection device for cardiovascular treatment according to claim 1, characterized in that: The injection module is provided with a wire (8), the housing is provided with a wire connection port (20), and the electronic components on the injection module are connected to the control chip (16) via the wire (8).

6. A clinical angiography injection device for cardiovascular treatment according to claim 1, characterized in that: The output end of the extension tube (3) is provided with a temperature sensor (303), and a heating wire (302) is provided inside the extension tube (3). The output end of the temperature sensor (303) is connected to the input end of the control chip (16), and the output end of the control chip (16) is used to output a control signal, and the control signal is used to control the operation of the heating wire (302).

7. A clinical angiography injection device for cardiovascular treatment according to claim 1, characterized in that: The drive assembly (14) comprises a motor (1401) fixed inside a housing, a screw rod (1402) at the output end of the motor (1401), a drive plate (1403) threadedly engaged with the outer wall of the screw rod (1402), and a guide rod (1405) fixed inside the housing in parallel with the screw rod (1402) and slidingly passing through the drive plate (1403); a slot (1404) is provided on the drive plate (1403) for accommodating the drive end of the syringe (1).

8. A clinical angiography injection device for cardiovascular treatment according to claim 6, characterized in that: A filter tube (304) is also provided at the input end of the extension tube (3), and a filter screen (305) is provided inside the filter tube (304).

9. A clinical angiography injection device for cardiovascular treatment according to claim 6, characterized in that: The extension tube (3) is also provided with a flow rate sensor (301), and the flow rate sensor (301) is used to provide a flow rate signal to the control chip (16).

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