Automatic exhaust mechanism of radiography high-pressure injector

Abstract

The utility model discloses an automatic exhaust mechanism of a radiography high-pressure injector, which comprises a support frame and a mounting plate fixedly connected to the bottom of the support frame, and further comprises two needle cylinders movably connected to the bottom of the mounting plate, two screw rods rotationally connected to the top of the inner wall of the support frame, and two push rods rotationally connected to the top of the inner wall of the support frame. The two push rods are in threaded connection with the exteriors of the corresponding lead screws, the ends, away from the lead screws, of the push rods penetrate through the mounting plate and are fixedly connected with piston heads, the piston heads make contact with the inner walls of the corresponding needle cylinders, and the two motors are fixedly connected to the top of the supporting frame. The automatic exhaust mechanism has the beneficial effects that the automatic exhaust mechanism can automatically finish exhaust operation before equipment is started, so that the influence of human factors is reduced, the inspection efficiency and safety are improved, and compared with a traditional device, the automatic exhaust mechanism has the advantage that the operation quality and the use efficiency are greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of high-pressure contrast injector, especially a kind of automatic exhaust mechanism of high-pressure contrast injector. BACKGROUND

[0002] High-pressure contrast injector is one of indispensable equipment in modern medical image diagnosis, mainly used for angiography, CT contrast and other image examination, and its main function is to inject contrast agent into the blood vessels, heart or other target parts of patient at high pressure in short time, so as to improve the contrast and definition of image, help doctors more accurately diagnose diseases;

[0003] The high-pressure contrast injector of present stage is generally short of needle cylinder in position detection function in the process of using, which means that medical staff needs to manually confirm whether needle cylinder is correctly installed in position when installing or replacing needle cylinder, if needle cylinder is not installed in position, it can cause contrast agent leakage, inaccurate injection and other problems, and then affect examination result, even cause potential risk to patient;

[0004] Lack of automatic exhaust function, high-pressure contrast injector needs to be exhausted before use to ensure that no air enters the blood vessels of patient in injection process, however, the equipment of present stage usually needs to be manually exhausted, which not only increases the work burden of medical staff, but also can cause air mixing due to improper operation, increases the risk of examination, and the absence of automatic exhaust function makes this operation step become cumbersome and prone to error;

[0005] The inconvenience of manual key operation Current high-pressure contrast injector mostly relies on manual key operation, including starting, stopping, speed adjustment and the like, and this operation mode can not be rapid and accurate in emergency, and prone to misoperation.

[0006] In view of the above problems, we launch a kind of automatic exhaust mechanism of high-pressure contrast injector. CONTENT OF UTILITY MODEL

[0007] The utility model discloses a kind of automatic exhaust mechanism of high-pressure contrast injector, to solve the technical problem in background technology.

[0008] To achieve the above purpose, the utility model adopts the following technical scheme:

[0009] The utility model provides an automatic exhaust mechanism of contrast high pressure injector, including support frame and mounting plate, mounting plate fixed connection is connected in the bottom of support frame, still includes: two needle cylinder, two needle cylinder all movably connect in the bottom of mounting plate, two lead screws, two lead screws all rotate and connect in the top of support frame inner wall, two push rods, two push rods all are screwly connected in the outside of corresponding lead screw, and its far away lead screw's one end all fixedly connects with piston head, piston head all with corresponding needle cylinder's inner wall contact, two motors, two motors all fixedly connect in the top of support frame, and its output shaft all extend to the inside of support frame and with corresponding lead screw's top fixed connection, two pressure sensor seat, two pressure sensor seat all set up in the bottom of mounting plate and with corresponding needle cylinder cooperation uses, four photoelectric switches, four photoelectric switches all fixedly connect in mounting plate 2 one side.

[0010] Through set up mounting plate for installing needle cylinder and pressure sensor seat, ensure the position stability of parts, needle cylinder is used for storing and injecting contrast medium, lead screw is used for driving the movement of push rod, push rod is screwly connected in the outside of corresponding lead screw, and the end far from the lead screw is fixedly connected with the piston head penetrating the mounting plate, the push rod moves linearly through the rotation of the lead screw, and the piston head moves in the needle cylinder, realizes the injection and exhaust of contrast medium, the motor is used for driving the rotation of the lead screw, realizes the accurate control of push rod, and the pressure sensor seat detects the pressure in the needle cylinder, ensures that the injection process of contrast medium is safe and accurate, avoids the injection failure or equipment damage caused by excessively high or low pressure.

[0011] In a preferred scheme, the inside of the support frame and located on one side of the push rod are fixedly connected with a limiting rod, the outside of the limiting rod is slidingly connected with a limiting block, and one side of the limiting block is fixedly connected with the outside of the corresponding push rod.

[0012] The limiting rod and the limiting block are provided for the movement of the push rod to provide guidance and limiting effect, so that the push rod can keep straight and stable during movement.

[0013] In a preferred scheme, the top of the support frame and located outside the motor is fixedly connected with a support plate, the top of the support plate is fixedly connected with an indicator light plate, and the top of the indicator light plate is fixedly connected with two indicator light covers.

[0014] The indicator light plate and the indicator light cover are provided for displaying the running state and warning information of the equipment, such as the running state of the motor, pressure abnormalities, etc., so as to improve the visual management of the equipment and facilitate the real-time monitoring of the equipment state by the operator.

[0015] In a preferred scheme, the inner wall of the support frame is fixedly connected with four light barriers on one side.

[0016] By setting the light barrier for blocking external light, the display effect of the internal indicator light is ensured not to be disturbed, the visibility and accuracy of the indicator light are improved, and the visual effect of the indicator light is enhanced.

[0017] In a preferred scheme, one side of the support frame is fixedly connected with a Bluetooth module.

[0018] By setting the Bluetooth module for realizing wireless connection between the device and external devices, remote monitoring and operation are facilitated, and the intelligent level of the device is improved.

[0019] In a preferred scheme, the bottom of the support frame and outside the mounting plate, the needle cylinder and the pressure sensing seat are fixedly connected with a protective cover.

[0020] By setting the protective cover for protecting the needle cylinder and the pressure sensing seat, the influence of the external environment on these components is prevented, and their normal operation is ensured.

[0021] In a preferred scheme, one side of the support frame is fixedly connected with a main control board, and the motor, the pressure sensing seat, the indicator light board and the Bluetooth module are electrically connected with the main control board.

[0022] By setting the main control board for controlling and managing the operation of the whole device, including the driving of the motor, the data reading of the pressure sensing seat, the display of the indicator light board and the communication of the Bluetooth module, the intelligent and automatic control of the device is realized.

[0023] The automatic exhaust mechanism of the contrast high-pressure injector provided by the utility model has the following advantages:

[0024] In the utility model, the motor drives the screw rod to rotate, realizes the accurate control of the push rod, the push rod moves linearly through the rotation of the screw rod, pushes the piston head to move in the needle cylinder, realizes the injection and exhaust of the contrast medium, on one hand, the sensor monitors the installation state of the needle cylinder in real time, and gives an alarm when the needle cylinder is not installed in place, ensures the accuracy and safety of operation, on the other hand, the automatic exhaust mechanism can automatically complete the exhaust operation before the equipment starts, reduces the influence of human factors, improves the efficiency and safety of inspection, greatly improves the operation quality and use efficiency compared with the traditional device. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a first perspective three-dimensional schematic view of the automatic exhaust mechanism of the contrast high-pressure injector provided by the utility model.

[0026] Figure 2 It is a second perspective three-dimensional schematic view of the automatic exhaust mechanism of the contrast high-pressure injector provided by the utility model.

[0027] Figure 3A third perspective view of the automatic exhaust mechanism of the contrast high-pressure injector is provided.

[0028] Figure 4 A partial structure schematic view of the automatic exhaust mechanism of the contrast high-pressure injector is provided.

[0029] Figure 5 A partial structure schematic view of the automatic exhaust mechanism of the contrast high-pressure injector is provided.

[0030] In the drawings: 1, support frame; 2, mounting plate; 3, needle cylinder; 4, screw rod; 5, push rod; 6, piston head; 7, motor; 8, pressure sensor seat; 9, limit rod; 10, limit block; 11, support plate; 12, indicator lamp plate; 13, indicator lamp cover; 14, light shield; 15, Bluetooth module; 16, protective cover; 17, main control board; 18, photoelectric switch. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. The components of the embodiments of the present application described and indicated in the drawings can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of the present application.

[0032] The automatic exhaust mechanism of the contrast high-pressure injector disclosed by the present application is mainly applied to the scene of the contrast high-pressure injector.

[0033] Referring to Figure 1 and Figure 4The utility model provides an automatic exhaust mechanism of contrast high pressure injector, including support frame 1 and mounting plate 2, mounting plate 2 fixedly connected at the bottom of support frame 1, still include: two needle cylinder 3, two needle cylinder 3 all movably connect at the bottom of mounting plate 2, two lead screws 4, two lead screws 4 all rotate and connect at the top of support frame 1 inner wall, two push rods 5, two push rods 5 all are screw -threaded connection in the outside of corresponding lead screw 4, and its the end away from lead screw 4 all are fixedly connected with piston head 6 through mounting plate 2, piston head 6 all with the inner wall of corresponding needle cylinder 3 contact, two motor 7, two motor 7 all are fixedly connected at the top of support frame 1, and its output shaft all extend to the inside of support frame 1 and are fixedly connected with the top of corresponding lead screw 4, two pressure sensor seat 8, two pressure sensor seat 8 all are set in the bottom of mounting plate 2 and are used with corresponding needle cylinder 3, four photoelectric switches 18, photoelectric switch 18 all are fixedly connected in one side of mounting plate 2.

[0034] The utility model discloses an automatic exhaust mechanism of contrast high pressure injector, including support frame 1 and mounting plate 2, mounting plate 2 fixedly connected at the bottom of support frame 1, still include: two needle cylinder 3, two needle cylinder 3 all movably connect at the bottom of mounting plate 2, two lead screws 4, two lead screws 4 all rotate and connect at the top of support frame 1 inner wall, two push rods 5, two push rods 5 all are screw -threaded connection in the outside of corresponding lead screw 4, and its the end away from lead screw 4 all are fixedly connected with piston head 6 through mounting plate 2, piston head 6 all with the inner wall of corresponding needle cylinder 3 contact, two motor 7, two motor 7 all are fixedly connected at the top of support frame 1, and its output shaft all extend to the inside of support frame 1 and are fixedly connected with the top of corresponding lead screw 4, two pressure sensor seat 8, two pressure sensor seat 8 all are set in the bottom of mounting plate 2 and are used with corresponding needle cylinder 3, four photoelectric switches 18, photoelectric switch 18 all are fixedly connected in one side of mounting plate 2.

[0035] Refer to Figure 3 And Figure 5 In a preferred embodiment, the inside of support frame 1 and located at one side of push rod 5 are fixedly connected with limiting rod 9, the outside of limiting rod 9 is slidingly connected with limiting block 10, and one side of limiting block 10 is fixedly connected with the outside of corresponding push rod 5.

[0036] In this embodiment, limiting rod 9 and limiting block 10 provide guidance and limiting action for the movement of push rod 5, ensuring that push rod 5 maintains a straight line and stability during movement.

[0037] Refer to Figure 2 And Figure 3 In a preferred embodiment, the top of support frame 1 and located outside of motor 7 is fixedly connected with support plate 11, the top of support plate 11 is fixedly connected with indicator light plate 12, and the top of indicator light plate 12 is fixedly connected with two indicator light covers 13.

[0038] The indicator light plate 12 and the indicator light cover 13 are used to display the running state and warning information of the device, such as the running state of the motor 7, pressure abnormalities, etc., which improves the visual management of the device and facilitates the real-time monitoring of the device state by the operator.

[0039] With reference to Figure 1 and Figure 3 In a preferred embodiment, four light-blocking sheets 14 are fixedly connected to one side of the inner wall of the support frame 1.

[0040] The light-blocking sheets 14 are used to block external light, ensure that the display effect of the internal indicator light is not disturbed, improve the visibility and accuracy of the indicator light, and enhance the visual effect of the indicator light.

[0041] With reference to Figure 1 and Figure 2 In a preferred embodiment, a Bluetooth module 15 is fixedly connected to one side of the support frame 1.

[0042] The Bluetooth module 15 is used to realize the wireless connection between the device and external devices, facilitate remote monitoring and operation, and improve the intelligent level of the device.

[0043] With reference to Figure 1 and Figure 3 In a preferred embodiment, a protective cover 16 is fixedly connected to the bottom of the support frame 1 and located outside the mounting plate 2, the needle cylinder 3, and the pressure sensing seat 8.

[0044] The protective cover 16 is used to protect the needle cylinder 3 and the pressure sensing seat 8, prevent the influence of the external environment on these components, and ensure their normal operation.

[0045] With reference to Figure 1 and Figure 2 In a preferred embodiment, a main control board 17 is fixedly connected to one side of the support frame 1, and the motor 7, the pressure sensing seat 8, the indicator light plate 12, and the Bluetooth module 15 are electrically connected to the main control board 17.

[0046] The main control board 17 is used to control and manage the operation of the entire device, including the driving of the motor 7, the data reading of the pressure sensing seat 8, the display of the indicator light plate 12, and the communication of the Bluetooth module 15, which realizes the intelligent and automatic control of the device.

[0047] Working principle: in use, first through the photoelectric switch 18 is used to accurately detect the position of the syringe, ensure that the syringe can stay in the predetermined position, the needle cylinder 3 is filled with contrast agent, the piston head 6 is located at the bottom of the needle cylinder 3, the main control panel 17 receives the exhaust command, starts the motor 7, the output shaft of the motor 7 rotates, drives the corresponding screw rod 4 to rotate, the rotation of the screw rod 4 makes the push rod 5 move upwards through the threaded connection, the movement of the push rod 5 drives the piston head 6 to rise, the air in the needle cylinder 3 is discharged, the pressure sensing seat 8 monitors the pressure change in the needle cylinder 3 in real time, when the air is completely discharged and the pressure reaches stable, the main control panel 17 stops the operation of the motor 7, the main control panel 17 receives the injection command, starts the motor 7, the output shaft of the motor 7 reverses rotation, drives the corresponding screw rod 4 to reverse rotation, the reverse rotation of the screw rod 4 makes the push rod 5 move downwards through the threaded connection, the movement of the push rod 5 drives the piston head 6 to descend, the contrast agent in the needle cylinder 3 is injected into the target site, the pressure sensing seat 8 monitors the pressure change in the needle cylinder 3 in real time, ensures that the injection process of the contrast agent is stable and safe, the automatic exhaust mechanism can automatically complete the exhaust operation before the equipment starts, reduces the influence of human factors, improves the efficiency and safety of the inspection, greatly improves the operation quality and use efficiency compared with the traditional device.

[0048] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. The replacement can be the replacement of part of the structure, device, method step, or the complete technical solution. According to the technical scheme and the utility model concept of the present application, equivalent replacement or change should be covered in the protection scope of the present application.

Claims

1. An automatic exhaust mechanism of a contrast high-pressure injector, comprising a support frame (1) and a mounting plate (2) fixedly connected to the bottom of the support frame (1), characterized in that, Also include: Two needle cylinders (3), two said needle cylinder (3) are movably connected in the bottom of the mounting plate (2); Two lead screws (4), two said lead screws (4) are rotatably connected in the top of the inner wall of the support frame (1); Two push rods (5), two said push rods (5) are threadedly connected outside the corresponding lead screw (4), and the end away from the lead screw (4) is fixedly connected with a piston head (6) penetrating the mounting plate (2), the piston head (6) is in contact with the inner wall of the corresponding needle cylinder (3); Two motors (7), two said motors (7) are fixedly connected to the top of the support frame (1), and the output shafts thereof extend into the inside of the support frame (1) and are fixedly connected to the top of the corresponding lead screw (4); Two pressure sensor seats (8), two said pressure sensor seats (8) are provided on the bottom of the mounting plate (2) and are used in cooperation with the corresponding needle cylinder (3); Four photoelectric switches (18), four said photoelectric switches (18) are fixedly connected to one side of the mounting plate (2).

2. The automatic air vent mechanism of a contrast high pressure injector according to claim 1, wherein, The inside of the support frame (1) and one side of the push rod (5) are fixedly connected with a limiting rod (9), the outer side of the limiting rod (9) is slidably connected with a limiting block (10), one side of the limiting block (10) is fixedly connected with the outer side of the corresponding push rod (5).

3. The automatic air vent mechanism of a contrast high pressure injector according to claim 1, wherein, The top of the support frame (1) and the outside of the motor (7) are fixedly connected with a support plate (11), the top of the support plate (11) is fixedly connected with an indicator light plate (12), the top of the indicator light plate (12) is fixedly connected with two indicator light covers (13).

4. The automatic air vent mechanism of a contrast high pressure injector according to claim 1, wherein, The inner wall of the support frame (1) is fixedly connected with four light barriers (14).

5. The automatic venting mechanism of a contrast high pressure syringe according to claim 3, wherein, The side of the support frame (1) is fixedly connected with a Bluetooth module (15).

6. The automatic venting mechanism of a contrast high pressure syringe according to claim 1, wherein, The bottom of the support frame (1) and the outside of the mounting plate (2), the needle cylinder (3) and the pressure sensor seat (8) are fixedly connected with a protective cover (16).

7. The automatic venting mechanism of a contrast high pressure syringe according to claim 5, wherein, The side of the support frame (1) is fixedly connected with a main control board (17), the motor (7), the pressure sensor seat (8), the indicator light plate (12) and the Bluetooth module (15) are electrically connected with the main control board (17).

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