Injection blood transfusion apparatus with filter screen pump

Abstract

The utility model relates to the technical field of medical instruments, in particular to an injection blood transfusion apparatus with a filter screen pump, which comprises a syringe, a first connecting tube is fixedly connected to the middle of the upper end of the syringe, an installation block is fixedly connected to the upper end of the first connecting tube, a connecting groove is formed in the upper end of the installation block, and a limiting hole is formed in the front end of the installation block. A connecting mechanism is connected into the connecting groove in a clamped mode, a second connecting pipe is fixedly connected to the upper end of the connecting mechanism, a filtering mechanism is fixedly connected to the upper end of the second connecting pipe, a scale strip is arranged on the front portion of the outer surface of the syringe, and a push rod is connected to the lower end of the syringe in a penetrating mode. According to the injection blood transfusion apparatus with the filter screen pump, blood transfusion is injected in the mode of the injection cylinder, the scale strip is arranged on the injection cylinder, the accurate amount of blood transfusion can be confirmed, meanwhile, the filter cylinder is arranged, the filter screen is arranged in the filter cylinder, impurities in blood can be effectively filtered out, and the blood transfusion tube is prevented from being blocked.

Description

Technical Field

[0001] The utility model relates to the technical field of medical equipment, in particular to an injection blood transfusion device with a filter pump. Background Art

[0002] Blood transfusion is a very common treatment method in hospitals. It is used to treat acute blood loss in trauma, childbirth, and surgery, exchange transfusion for neonatal hemolytic disease, supportive treatment for various serious diseases, and rescue for war injuries, large-area burns, and radiation damage. Existing blood transfusion methods generally use blood transfusion bags, but blood transfusion for children requires precise amounts, and bagged blood cannot be accurate, which brings great inconvenience to blood transfusion for children. Therefore, we have launched a new syringe transfusion device with a filter pump. Utility Model Content

[0003] The main purpose of the utility model is to provide an injection blood transfusion device with a filter pump, which can effectively solve the problems in the background technology.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] An injection blood transfusion device with a filter pump comprises a syringe, a No. 1 connecting tube is fixedly connected to the middle of the upper end of the syringe, a mounting block is fixedly connected to the upper end of the No. 1 connecting tube, a connecting groove is provided at the upper end of the mounting block, a limiting hole is provided at the front end of the mounting block, a connecting mechanism is snap-connected in the connecting groove, a No. 2 connecting tube is fixedly connected to the upper end of the connecting mechanism, a filtering mechanism is fixedly connected to the upper end of the No. 2 connecting tube, a scale bar is provided on the front surface of the syringe, a push rod is inserted and connected to the lower end of the syringe, a piston is fixedly connected to the upper end of the push rod, and a push handle is fixedly connected to the lower end of the push rod.

[0006] Preferably, the connecting mechanism includes a connecting block, a sealing gasket is fixedly connected to the lower end of the connecting block, a movable groove is opened in the front inner part of the connecting block, a spring is fixedly connected to the rear groove wall of the movable groove, one end of the spring away from the rear groove wall of the movable groove is fixedly connected to a limiting block, and the front end of the limiting block is fixedly connected to a limiting rod.

[0007] Preferably, the upper end of the connecting block is fixedly connected to the second connecting pipe, the connecting block is snap-connected to the connecting groove, and the lower end of the sealing gasket is tightly fitted to the lower groove wall of the connecting groove.

[0008] Preferably, the outer surface of the limit block is movably connected to the inner wall of the movable groove, and one end of the limit rod away from the limit block is interlaced and connected with the limit hole.

[0009] Preferably, the filtering mechanism comprises a filter cartridge, a filter groove is provided inside the filter cartridge, a filter net is fixedly connected to the inner wall of the filter groove, and an outlet is fixedly connected to the middle part of the upper end of the filter cartridge.

[0010] Preferably, the lower end of the filter cartridge is fixedly connected to the No. 2 connecting tube, and the filter cartridge is communicated with the interior of the injection cylinder through the No. 2 connecting tube and the No. 1 connecting tube.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] 1. Place the filter cartridge on the top of the mounting block, press the limit rod, the limit rod squeezes the spring through the limit block, and the limit rod shrinks into the movable groove, then insert the connecting block into the connecting groove, so that the sealing gasket fits tightly with the lower groove wall of the connecting groove, and the limit rod pops out from the limit hole in front of the mounting block under the elastic force of the spring, so that the filter cartridge can be easily installed on the injection cylinder, and it is also convenient to flush the filter screen inside after use;

[0013] 2. Blood transfusion is performed by injection. A scale bar is provided on the syringe to confirm the exact amount of blood transfusion. At the same time, a filter cartridge is provided with a filter net inside the filter cartridge to effectively filter impurities in the blood and avoid blockage of the blood transfusion tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall structure of an injection blood transfusion device with a filter pump according to the utility model;

[0015] Figure 2 This is a schematic diagram of the disassembled structure of an injection blood transfusion device with a filter pump according to the utility model;

[0016] Figure 3 This is a schematic diagram of the overall structure of a connection mechanism of an injection blood transfusion device with a filter pump according to the utility model;

[0017] Figure 4 The utility model is a schematic diagram of the overall structure of the filter mechanism of the injection blood transfusion device with a filter pump.

[0018] In the figure: 1. syringe barrel; 2. No. 1 connecting pipe; 3. mounting block; 4. connecting groove; 5. limiting hole; 6. connecting mechanism; 7. No. 2 connecting pipe; 8. filtering mechanism; 9. scale bar; 10. push rod; 11. push handle; 12. connecting block; 13. sealing gasket; 14. movable groove; 15. spring; 16. limiting block; 17. limiting rod; 18. filter barrel; 19. filter groove; 20. filter screen; 21. outlet. DETAILED DESCRIPTION

[0019] 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 described below in conjunction with specific implementation methods.

[0020] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] See also Figure 1-4 , the utility model provides a technical solution:

[0023] A blood transfusion device with a filter pump comprises a syringe 1, wherein a No. 1 connecting tube 2 is fixedly connected to the middle of the upper end of the syringe 1, a mounting block 3 is fixedly connected to the upper end of the No. 1 connecting tube 2, a connecting groove 4 is provided at the upper end of the mounting block 3, a limiting hole 5 is provided at the front end of the mounting block 3, a connecting mechanism 6 is snap-connected in the connecting groove 4, a No. 2 connecting tube 7 is fixedly connected to the upper end of the connecting mechanism 6, a filtering mechanism 8 is fixedly connected to the upper end of the No. 2 connecting tube 7, a scale bar 9 is provided on the front of the outer surface of the syringe 1, a push rod 10 is inserted and connected to the lower end of the syringe 1, a piston is fixedly connected to the upper end of the push rod 10, and a push handle 11 is fixedly connected to the lower end of the push rod 10.

[0024] In this embodiment, the connecting mechanism 6 includes a connecting block 12, a sealing gasket 13 is fixedly connected to the lower end of the connecting block 12, a movable groove 14 is opened in the front part of the connecting block 12, and a spring 15 is fixedly connected to the rear groove wall of the movable groove 14, and the end of the spring 15 away from the rear groove wall of the movable groove 14 is fixedly connected to a limiting block 16, and the front end of the limiting block 16 is fixedly connected to a limiting rod 17, the upper end of the connecting block 12 is fixedly connected to the No. 2 connecting pipe 7, the connecting block 12 is snap-connected to the connecting groove 4, the lower end of the sealing gasket 13 is tightly fitted with the lower groove wall of the connecting groove 4, the outer surface of the limiting block 16 is movably connected to the inner wall of the movable groove 14, and the end of the limiting rod 17 away from the limiting block 16 is inserted and connected with the limiting hole 5, and the limiting rod 17 pops out from the limiting hole 5 in front of the mounting block 3 under the elastic reset of the spring 15, so that the filter cartridge 18 is conveniently installed on the injection cylinder 1, and it is also convenient to flush the filter screen 20 inside it after use.

[0025] In this embodiment, the filtering mechanism 8 includes a filter cartridge 18, a filter groove 19 is provided inside the filter cartridge 18, a filter screen 20 is fixedly connected to the inner wall of the filter groove 19, an outlet 21 is fixedly connected to the middle of the upper end of the filter cartridge 18, and the lower end of the filter cartridge 18 is fixedly connected to the No. 2 connecting tube 7. The filter cartridge 18 is connected to the interior of the injection cylinder 1 through the No. 2 connecting tube 7 and the No. 1 connecting tube 2. The filter screen 20 can effectively filter impurities in the blood to avoid blockage of the blood transfusion tube.

[0026] It should be noted that the utility model is an injection blood transfusion device with a filter pump. During use, by placing the filter cartridge 18 above the mounting block 3, by pressing the limit rod 17, the limit rod 17 squeezes the spring 15 through the limit block 16, and at the same time the limit rod 17 shrinks into the movable groove 14, and then the connecting block 12 is snapped into the connecting groove 4, so that the sealing gasket 13 is tightly fitted with the lower groove wall of the connecting groove 4, and the limit rod 17 pops out from the limit hole 5 in front of the mounting block 3 under the elastic reset of the spring 15, so that the filter cartridge 18 is convenient to install on the injection cylinder 1, and it is also convenient to flush the filter screen 20 inside it after use, and connect the outlet 21 to the blood transfusion tube, so that blood transfusion can be injected. The syringe 1 is provided with a scale bar 9, which can confirm the accurate amount of blood transfusion. At the same time, by setting the filter cartridge 18, the filter screen 20 is provided inside the filter cartridge 18, which can effectively filter impurities in the blood and avoid clogging of the blood transfusion tube.

[0027] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. An injection blood transfusion device with a filter pump, comprising a syringe (1), characterized in that: A No. 1 connecting tube (2) is fixedly connected to the middle of the upper end of the injection cylinder (1), and a mounting block (3) is fixedly connected to the upper end of the No. 1 connecting tube (2). A connecting groove (4) is provided at the upper end of the mounting block (3), and a limiting hole (5) is provided at the front end of the mounting block (3). A connecting mechanism (6) is snap-connected in the connecting groove (4), and a No. 2 connecting tube (7) is fixedly connected to the upper end of the connecting mechanism (6), and a filtering mechanism (8) is fixedly connected to the upper end of the No. 2 connecting tube (7). A scale bar (9) is provided on the front of the outer surface of the injection cylinder (1), and a push rod (10) is inserted and connected to the lower end of the injection cylinder (1), and a piston is fixedly connected to the upper end of the push rod (10), and a push handle (11) is fixedly connected to the lower end of the push rod (10).

2. The blood transfusion device with a filter pump according to claim 1, characterized in that: The connecting mechanism (6) comprises a connecting block (12), a sealing gasket (13) is fixedly connected to the lower end of the connecting block (12), a movable groove (14) is provided in the front part of the connecting block (12), a spring (15) is fixedly connected to the rear groove wall of the movable groove (14), one end of the spring (15) away from the rear groove wall of the movable groove (14) is fixedly connected to a limiting block (16), and the front end of the limiting block (16) is fixedly connected to a limiting rod (17).

3. The blood transfusion device with a filter pump according to claim 2, characterized in that: The upper end of the connection block (12) is fixedly connected to the second connection pipe (7), the connection block (12) is snap-fitted to the connection groove (4), and the lower end of the sealing gasket (13) is tightly fitted to the lower groove wall of the connection groove (4).

4. The blood transfusion device with a filter pump according to claim 2, characterized in that: The outer surface of the limit block (16) is movably connected to the inner wall of the movable groove (14), and one end of the limit rod (17) away from the limit block (16) is inserted and connected to the limit hole (5).

5. The blood transfusion device with a filter pump according to claim 1, characterized in that: The filtering mechanism (8) comprises a filter cartridge (18), a filter groove (19) is provided inside the filter cartridge (18), a filter screen (20) is fixedly connected to the inner wall of the filter groove (19), and an outlet (21) is fixedly connected to the middle of the upper end of the filter cartridge (18).

6. The blood transfusion device with a filter pump according to claim 5, characterized in that: The lower end of the filter cylinder (18) is fixedly connected to the No. 2 connecting pipe (7), and the filter cylinder (18) is communicated with the interior of the injection cylinder (1) through the No. 2 connecting pipe (7) and the No. 1 connecting pipe (2).

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