A medicine extractor

Abstract

The utility model discloses a kind of medicine extractors, including medicine extraction cylinder, the upper side of medicine extraction cylinder is fixedly connected with medicine extraction needle, the outside of medicine extraction cylinder is provided with booster unit, the lower side of medicine extraction cylinder is provided with pull rod, the booster unit includes vice needle, the upper side of medicine extraction cylinder is fixedly connected in the vice needle, the outside of vice needle is fixedly connected with connecting pipe, the outside of medicine extraction cylinder is fixedly connected with connecting frame, the inner side of connecting frame is fixedly connected with air cylinder, conveying pipe is fixedly connected between air cylinder and connecting pipe, the inner side of air cylinder is provided with piston plate, the lower side of piston plate is fixedly connected with push rod. By being provided with medicine extraction cylinder, air cylinder, piston plate, push rod, bottom block, moving ring, connecting pipe, vice needle and medicine extraction needle, it is convenient to extract medicine when using medicine extraction needle to extract liquid medicine, air is filled into medicine bottle through vice needle, so that the air pressure in bottle increases, and it is convenient for staff to extract liquid medicine, and it is labor-saving.

Description

Technical Field

[0001] This utility model relates to the field of drug extraction device technology, and in particular to a drug extraction device. Background Technology

[0002] Currently, most medications are packaged in plastic ampoules, glass ampoules, vials, or infusion bottles. Vials can hold liquids or powders, and are especially used for many expensive medications, which often require aspiration and preparation before use.

[0003] When using the drug aspirator, the needle is inserted into the vial. Because there is little air inside the vial and the air pressure is low, the operator needs to use a lot of force to pull the internal piston to draw the drug into the syringe, which is laborious. Utility Model Content

[0004] The purpose of this invention is to provide a drug extraction device that solves the problem of laborious extraction of liquid medicine using a syringe.

[0005] To achieve the above objectives, a medicine extraction device is provided, including a medicine extraction cylinder, a medicine extraction needle fixedly connected to the upper side of the medicine extraction cylinder, a pressurization unit provided on the outer side of the medicine extraction cylinder, and a pull rod provided on the lower side of the medicine extraction cylinder.

[0006] The pressurization unit includes a secondary needle, which is fixedly connected to the upper side of the drug-drawing cylinder. A connecting tube is fixedly connected to the outer side of the secondary needle, and a connecting frame is fixedly connected to the outer side of the drug-drawing cylinder. An air cylinder is fixedly connected to the inner side of the connecting frame, and a delivery pipe is fixedly connected between the air cylinder and the connecting tube. A piston plate is provided on the inner side of the air cylinder, and a push rod is fixedly connected to the lower side of the piston plate. A base block is fixedly connected to the lower end of the push rod, and a moving ring is fixedly connected to the outer side of the base block.

[0007] According to the aforementioned drug-drawing device, there are two auxiliary needles and two air cylinders, with the two auxiliary needles located on the left and right sides of the drug-drawing needle.

[0008] According to the aforementioned drug extraction device, the push rod and piston plate are both slidably connected to the air cylinder.

[0009] According to the aforementioned drug-drawing device, the movable ring is slidably connected to the drug-drawing cylinder.

[0010] According to the aforementioned drug extraction device, the connecting pipe is U-shaped and the delivery pipe is L-shaped.

[0011] According to the aforementioned medicine extraction device, a spring is fixedly connected between the base block and the air cylinder.

[0012] According to the aforementioned drug-drawing device, the length of the auxiliary needle is shorter than the length of the drug-drawing needle.

[0013] The above-mentioned solution has the following beneficial effects:

[0014] The system is equipped with a drug extraction cylinder, an air cylinder, a piston plate, a push rod, a base block, a moving ring, a connecting pipe, an auxiliary needle, and a drug extraction needle. When using the drug extraction needle to extract the liquid medicine, air is introduced into the medicine bottle through the auxiliary needle, increasing the air pressure inside the bottle. This makes it easier for staff to extract the liquid medicine with less effort.

[0015] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0017] Figure 1 This is a three-dimensional structural diagram of a medicine extraction device according to the present invention;

[0018] Figure 2 This is a bottom-view perspective view of the structure of a medicine extractor according to this utility model;

[0019] Figure 3 This is a cross-sectional perspective view of a drug extraction device according to the present invention.

[0020] Figure 4 for Figure 3 Enlarged view of point A in the middle.

[0021] Legend:

[0022] 1. Draw tube; 2. Pull rod; 3. Pressurization unit; 301. Secondary needle; 302. Connecting tube; 303. Delivery tube; 304. Connecting frame; 305. Air cylinder; 306. Piston plate; 307. Push rod; 308. Spring; 309. Base block; 310. Moving ring; 4. Draw needle. Detailed Implementation

[0023] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0024] Reference Figure 1 - Figure 4This utility model provides a medicine extraction device, which includes a medicine extraction cylinder 1, a medicine extraction needle 4 fixedly connected to the upper side of the medicine extraction cylinder 1, a pressurizing unit 3 provided on the outer side of the medicine extraction cylinder 1, and a pull rod 2 provided on the lower side of the medicine extraction cylinder 1. When extracting medicine, the medicine extraction needle 4 is inserted into the medicine bottle, and then the pull rod 2 is pulled to extract the medicine into the medicine cylinder.

[0025] The pressurization unit 3 includes an auxiliary needle 301, which is fixedly connected to the upper side of the drug-drawing cylinder 1. A connecting pipe 302 is fixedly connected to the outer side of the auxiliary needle 301, and a connecting frame 304 is fixedly connected to the outer side of the drug-drawing cylinder 1. An air cylinder 305 is fixedly connected to the inner side of the connecting frame 304. A delivery pipe 303 is fixedly connected between the air cylinder 305 and the connecting pipe 302. A piston plate 306 is provided inside the air cylinder 305, and a push rod 307 is fixedly connected to the lower side of the piston plate 306. A base block 309 is fixedly connected to the lower end of the push rod 307, and a moving ring 310 is fixedly connected to the outer side of the base block 309. The push rod 307 and the piston plate 306 are slidably connected to the air cylinder 305, and the moving ring 310 is slidably connected to the drug-drawing cylinder 1. The connecting pipe 302 has a U-shaped structure, and the delivery pipe 303 has an L-shaped structure. A spring 30 is fixedly connected between the base block 309 and the air cylinder 305. 8. When drawing medicine, the drawing needle 4 is inserted into the medicine bottle, and the auxiliary needle 301 is also inserted into the bottle (the diameter of the bottle opening is greater than the distance between the two auxiliary needles 301). When drawing medicine, the operator presses the moving ring 310 with one hand, causing the moving ring 310 to press down. The moving ring 310 drives the bottom block 309 to move down, the bottom block 309 drives the push rod 307 to descend, and the push rod 307 drives the piston plate 306 to descend, causing the piston plate 306 to push out the gas inside the air cylinder 305. The gas is then pushed into the auxiliary needle 301 through the delivery pipe 303 and the connecting pipe 302, and then the gas fills the medicine bottle, increasing the gas pressure in the medicine bottle. The other hand pulls the lever 2, making it easier for the drawing needle 4 to draw the medicine liquid. The operation is simple, and the piston plate 306 is easily reset by the spring 308. The elastic coefficient of the spring 308 is selected to make it easy for the operator to press down the moving ring 310.

[0026] There are two auxiliary needles 301 and two air pumps 305. The two auxiliary needles 301 are located on the left and right sides of the drug-drawing needle 4, so that more gas can be injected and it is easier to work.

[0027] The length of the auxiliary needle 301 is less than the length of the drug-drawing needle 4, so that the insertion of the auxiliary needle 301 into the bottle does not affect the drug-drawing function of the drug-drawing needle 4.

[0028] Working principle: In use, the operator first inserts the needle 4 into the medicine bottle. Then, the operator presses down on the moving ring 310 with one hand. Under the action of the base block 309, push rod 307, and piston plate 306, the gas in the air cylinder 305 is pushed out and fills the medicine bottle through the delivery pipe 303 and connecting pipe 302, increasing the internal air pressure. This makes it easier for the operator to pull the lever 2 to draw the medicine, requiring less effort and simplifying operation. The embodiments of this utility model have been described in detail above with reference to the accompanying drawings. However, this utility model is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by those skilled in the art without departing from the spirit of this utility model.

Claims

1. A medicine extractor comprising a medicine extraction cartridge (1), characterized in that, A drug-drawing needle (4) is fixedly connected to the upper side of the drug-drawing cylinder (1), a pressurizing unit (3) is provided on the outer side of the drug-drawing cylinder (1), and a pull rod (2) is provided on the lower side of the drug-drawing cylinder (1). The pressurization unit (3) includes a secondary needle (301), which is fixedly connected to the upper side of the drug extraction cylinder (1). A connecting pipe (302) is fixedly connected to the outer side of the secondary needle (301). A connecting frame (304) is fixedly connected to the outer side of the drug extraction cylinder (1). An air cylinder (305) is fixedly connected to the inner side of the connecting frame (304). A delivery pipe (303) is fixedly connected between the air cylinder (305) and the connecting pipe (302). A piston plate (306) is provided on the inner side of the air cylinder (305). A push rod (307) is fixedly connected to the lower side of the piston plate (306). A bottom block (309) is fixedly connected to the lower end of the push rod (307). A moving ring (310) is fixedly connected to the outer side of the bottom block (309).

2. A medicine extractor according to claim 1, characterized in that The number of the auxiliary needles (301) and the air pump (305) are both set to two, and the two auxiliary needles (301) are located on the left and right sides of the drug-drawing needle (4).

3. A drug extraction device according to claim 1, characterized in that, The push rod (307) and piston plate (306) are slidably connected to the air cylinder (305).

4. A drug extraction device according to claim 1, characterized in that, The movable ring (310) is slidably connected to the drug extraction cylinder (1).

5. A drug extraction device according to claim 1, characterized in that, The connecting pipe (302) is U-shaped, and the conveying pipe (303) is L-shaped.

6. A drug extraction device according to claim 1, characterized in that, A spring (308) is fixedly connected between the bottom block (309) and the air cylinder (305).

7. A drug extraction device according to claim 1, characterized in that, The length of the auxiliary needle (301) is less than the length of the drug-drawing needle (4).

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