Contrast agent preparation device convenient to operate

Abstract

The contrast agent preparation device convenient to operate comprises a liquid storage cylinder, a motor and a liquid conveying pipe, the upper surface of the liquid storage cylinder is open, the motor is installed at the opening position of the upper surface of the liquid storage cylinder, and a shaft rod is vertically arranged in the middle of the interior of the liquid storage cylinder; the upper end of the shaft rod is mounted on a driving shaft of the motor, the lower end of the shaft rod is movably mounted on the inner bottom surface of the liquid storage cylinder, and a plurality of stirring rods are arranged on the surface of the shaft rod. According to the utility model, one end, far away from the liquid outlet tube, of the infusion tube is connected with the indwelling needle in the vein of a patient, so that a mixture of normal saline, air and blood of the patient in the liquid storage cylinder flows into the vein of the patient through the infusion tube; only one person is needed in the whole operation process, preparation is easy, manpower is saved, the quality of microbubbles prepared every time is the same, and standardized operation can be achieved. And the second mounting plate can be detached from the first mounting plate, so that the inner wall of the liquid storage cylinder is convenient to clean.

Description

TECHNICAL FIELD

[0001] The utility model relates to right heart ultrasonic contrast microbubble technical field, concretely is a contrast medium preparation device convenient to operation. BACKGROUND

[0002] Right heart acoustic contrast is also called foaming experiment, which is a simple and easy echocardiography method; during right heart acoustic contrast examination, the patient needs to take left lateral decubitus, and a certain amount of contrast medium is injected through the peripheral vein of the elbow to make the right heart system develop, since the microbubble diameter of the contrast medium is large, it cannot pass through the lung capillary network, so it cannot enter the left heart system normally. However, if there is an abnormal channel between the left and right heart systems, the contrast medium enters the left heart system through the abnormal channel, and microbubble development also appears in the left heart chamber, which indicates that the right heart acoustic contrast is positive.

[0003] The preparation of the contrast medium for right heart acoustic contrast is usually prepared by the following method: using a syringe to extract air and physiological saline respectively, connecting them through a three-way pipe, and then back-drawing venous blood to make the three repeatedly push and inject in the syringe for more than several times, and then placing it in the syringe after fully mixing, which is called oscillation sterile physiological saline method. However, this method is relatively complex, and it often needs two people to cooperate to complete, which is a waste of manpower, and the quality of microbubbles prepared each time is different and related to the experience of the operator, so it is difficult to realize standardization.

[0004] In view of the above problems, the utility model provides the following technical scheme. UTILITY MODEL CONTENT

[0005] In view of the deficiencies of the prior art, the utility model aims to provide a contrast medium preparation device convenient to operate, which can improve the difficulty in making microbubbles during clinical right heart contrast, prevent splashing, and standardize the preparation of microbubbles.

[0006] To solve the above technical problems, the utility model provides the following technical scheme.

[0007] The utility model provides a contrast medium preparation device convenient to operate, which comprises a liquid storage cylinder, a motor and a liquid delivery pipe, the upper surface of the liquid storage cylinder is open, the motor is installed at the open position of the upper surface of the liquid storage cylinder, a shaft is vertically arranged at the middle position of the inside of the liquid storage cylinder, the upper end of the shaft is installed on the driving shaft of the motor, a plurality of stirring rods are arranged on the surface of the shaft;

[0008] A liquid outlet pipe communicating with the liquid storage cylinder is arranged at the center of the lower surface of the liquid storage cylinder, a liquid inlet pipe communicating with the liquid storage cylinder is arranged below the surface of the liquid storage cylinder, and a plug is arranged on the liquid inlet pipe;

[0009] One end of the liquid delivery pipe is movably installed at the mouth of the liquid outlet pipe, and an exhaust pipe is further arranged on the surface of the liquid delivery pipe.

[0010] Preferably, the upper surface of the liquid storage cylinder is provided with a first mounting plate around the opening, four corners of the first mounting plate are provided with first through holes, the periphery of the motor is provided with a second mounting plate, four corners of the second mounting plate are provided with second through holes, the second mounting plate is attached to the lower surface of the first mounting plate, and the second through holes are aligned with the first through holes.

[0011] Preferably, the plurality of stirring rods are perpendicular to the shaft, and the ends of the stirring rods away from the shaft are close to the inner wall of the liquid storage cylinder.

[0012] Preferably, the plurality of shafts are evenly distributed at equal intervals from bottom to top, and the shafts of adjacent layers are staggered.

[0013] Preferably, the outer diameter of the plug is consistent with the inner diameter of the liquid inlet pipe.

[0014] Preferably, each layer of the stirring rod has two left and right ones, which are symmetrically distributed on both sides of the shaft.

[0015] Preferably, the connection position of the exhaust pipe and the infusion tube is close to the upper end of the infusion tube.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] The physiological saline, air and patient's blood are sent into the liquid storage cylinder through the liquid inlet pipe, then the plug is inserted into the liquid inlet pipe, the motor works to drive the shaft to rotate, and the plurality of stirring rods rotate with the shaft, so that the physiological saline, air and patient's blood are fully stirred and mixed by the shaft.

[0018] Then, the end of the infusion tube away from the liquid outlet pipe is connected to the patient's intravenous indwelling needle, so that the mixture of physiological saline, air and patient's blood in the liquid storage cylinder flows into the patient's vein through the infusion tube.

[0019] The whole operation process only needs one person, and the preparation is simple, saves manpower, and the quality of the microbubbles prepared each time is the same, so that standardized operation can be realized; and the second mounting plate can be detached from the first mounting plate, so that the inner wall of the liquid storage cylinder is convenient to clean. BRIEF DESCRIPTION OF DRAWINGS

[0020] Fig. 1 It is a whole perspective view of the utility model;

[0021] Fig. 2 It is a perspective view of the first mounting plate and the second mounting plate of the utility model;

[0022] Fig. 3 It is a perspective view of the shaft and the stirring rod of the utility model.

[0023] In the diagram: 1. Storage tank; 11. First mounting plate; 111. First through hole; 12. Inlet pipe; 121. Plug; 13. Outlet pipe; 2. Motor; 21. Second mounting plate; 211. Second through hole; 22. Shaft; 23. Stirring rod; 3. Inlet pipe; 31. Exhaust pipe. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0025] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0026] like Figs. 1-3 As shown, an easy-to-operate contrast agent preparation device includes a storage cylinder 1, a motor 2, and an infusion tube 3. The upper surface of the storage cylinder 1 is open, and the motor 2 is installed at the open position on the upper surface of the storage cylinder 1. A shaft 22 is vertically arranged in the middle of the inside of the storage cylinder 1. The upper end of the shaft 22 is installed on the drive shaft of the motor 2, and the lower end is movably installed on the inner bottom surface of the storage cylinder 1. Multiple stirring rods 23 are arranged on the surface of the shaft 22. The inner bottom surface of the storage cylinder 1 provides support and limit to the shaft 22, so that the shaft 22 is relatively stable during rotation, and the multiple stirring rods 23 can rotate with the shaft 22.

[0027] A liquid outlet pipe 13 is provided in the center of the lower surface of the liquid storage cylinder 1, and a liquid inlet pipe 12 is provided below the surface of the liquid storage cylinder 1, which is connected to the liquid storage cylinder 1. A plug 121 is provided on the liquid inlet pipe 12, and the plug 121 can prevent the liquid from flowing out after it is plugged in.

[0028] One end of the infusion tube 3 is movably installed at the opening of the outlet tube 13, and an exhaust pipe 31 is also provided on the surface of the infusion tube 3.

[0029] The upper surface of the liquid storage cylinder 1 is provided with a first mounting plate 11, four corner positions of the first mounting plate 11 are provided with first through holes 111, the periphery of the motor 2 is provided with a second mounting plate 21, four corner positions of the second mounting plate 21 are provided with second through holes 211, the second mounting plate 21 is attached to the lower surface of the first mounting plate 11, the second through holes 211 are aligned with the first through holes 111, and bolts are used to pass through the second through holes 211 and the first through holes 111, so that the first mounting plate 11 and the second mounting plate 21 can be detachable.

[0030] The plurality of stirring rods 23 are perpendicular to the shaft rods 22, and the ends of the stirring rods 23 away from the shaft rods 22 are close to the inner wall of the liquid storage cylinder 1.

[0031] The plurality of shaft rods 22 are evenly distributed at equal intervals from bottom to top, and the shaft rods 22 of adjacent layers are staggered.

[0032] The outer diameter of the plug 121 is consistent with the inner diameter of the liquid inlet pipe 12.

[0033] Each layer of stirring rods 23 has two left and right stirring rods, which are symmetrically distributed on both sides of the shaft rod 22.

[0034] The connection position of the exhaust pipe 31 and the infusion pipe 3 is close to the upper end of the infusion pipe 3.

[0035] As described above, the physiological saline, air and patient's blood are sent into the liquid storage cylinder 1 through the liquid inlet pipe 12, then the plug 121 is inserted into the liquid inlet pipe 12, the motor 2 works to drive the shaft rod 22 to rotate, and the plurality of stirring rods 23 can rotate with the shaft rod 22, so that the physiological saline, air and patient's blood are fully stirred and mixed by the shaft rod 22, and the physiological saline, air and patient's blood are fully mixed together.

[0036] Then, the end of the infusion pipe 3 away from the liquid outlet pipe 13 is connected to the patient's intravenous indwelling needle, so that the mixture of the physiological saline, air and patient's blood in the liquid storage cylinder 1 flows into the patient's vein through the infusion pipe 3.

[0037] The whole operation process only needs one person, and the preparation is relatively simple, which saves manpower, and the quality of the microbubbles prepared each time is the same, so that standardized operation can be realized; and the second mounting plate 21 can be detached from the first mounting plate 11, so that the inner wall of the liquid storage cylinder 1 can be conveniently cleaned.

[0038] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A contrast media preparation device that is easy to operate, characterized in that: Including liquid storage cylinder (1), motor (2) and infusion tube (3), the upper surface of the liquid storage cylinder (1) is open, the motor (2) is installed in the open position of the upper surface of the liquid storage cylinder (1), the shaft (22) is vertically arranged in the middle position of the inside of the liquid storage cylinder (1), the upper end of the shaft (22) is installed on the driving shaft of the motor (2), the surface of the shaft (22) is provided with a plurality of stirring rods (23); The lower surface of the liquid storage cylinder (1) is provided with a liquid outlet pipe (13) connected with the liquid storage cylinder (1), and the surface below the liquid storage cylinder (1) is provided with a liquid inlet pipe (12) connected with the liquid storage cylinder (1), and the liquid inlet pipe (12) is provided with a plug (121); One end of the infusion tube (3) is movably installed in the mouth of the liquid outlet pipe (13), and the surface of the infusion tube (3) is further provided with an exhaust pipe (31).

2. A contrast medium preparation device according to claim 1, characterized in that: The upper surface of the liquid storage cylinder (1) is provided with a first mounting plate (11) around the opening, the four corner positions of the first mounting plate (11) are provided with first through holes (111), the periphery of the motor (2) is provided with a second mounting plate (21), the four corner positions of the second mounting plate (21) are provided with second through holes (211), the second mounting plate (21) is attached to the lower surface of the first mounting plate (11), and the second through holes (211) are aligned with the first through holes (111).

3. A contrast medium preparation device for ease of operation as claimed in claim 1, wherein: A plurality of the stirring rods (23) are perpendicular to the shaft (22), and the end of the stirring rod (23) away from the shaft (22) is close to the inner wall of the liquid storage cylinder (1).

4. A contrast media preparation device for ease of operation as defined in claim 1, characterized in that: A plurality of the shafts (22) are evenly distributed from bottom to top at equal intervals, and the shafts (22) of adjacent layers are staggered.

5. A contrast medium preparation device according to claim 1, characterized in that: The outer diameter of the plug (121) is consistent with the inner diameter of the liquid inlet pipe (12).

6. A contrast media preparation device for ease of operation as defined in claim 1, characterized in that: Each layer of the stirring rod (23) has left and right two, which are symmetrically distributed on both sides of the shaft (22).

7. A contrast media preparation device for ease of operation as defined in claim 1, characterized in that: The connection position of the exhaust pipe (31) and the infusion tube (3) is close to the upper end of the infusion tube (3).

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