CN220404559U - Micropump blood transfusion device with filtering function - Google Patents

Abstract

The utility model provides a micropump blood transfusion device with a filtering function, which belongs to the technical field of micropumps, and comprises a micropump, wherein the upper end of the micropump is fixedly connected with a connecting shell; the mounting groove is offered in the one end of micropump, when needs carry out microinjection to the patient, can place the syringe in the coupling shell, then rotate the lead screw and make its circumference surface threaded connection's lead screw nut remove, and then drive the filtration shell and remove, and the one end of butt joint post syringe through the connecting hole, at this moment can filter blood or medicine through the filter screen, and through the screw thread of filtration shell circumference surface, alright be connected transfer line and filtration shell, through above-mentioned design, alright filter the impurity in medicine and the blood, and then improve patient's the infusion quality.

Description

A micropump blood transfusion device with filtering function

Technical field

The utility model belongs to the technical field of micropumps, and specifically relates to a micropump blood transfusion device with filtering function.

Background technique

The micro-syringe pump (micro-pump for short) is a new type of pump power instrument that accurately, minutely, uniformly and continuously outputs a small amount of fluid. Composed of a controller, an actuator and a syringe, the microinjection pump pumps a small amount of medicinal liquid into the body accurately, minutely, evenly and continuously. It is easy to operate, timed and quantitative. The concentration and speed of the drug can be adjusted at any time according to the needs of the condition, so that the drug can be The effective blood drug concentration can be maintained in the body, and the use of micropumps to rescue critically ill patients can reduce the workload of nurses, improve work efficiency, and cooperate with doctors to rescue accurately, safely and effectively.

When a patient needs to inject a small or trace amount of drugs or blood transfusion evenly, a micropump is needed instead of manual injection. However, the existing micropump basically lacks filtration function and filtering device, and cannot treat drugs or precipitates and impurities in the blood. Filtration is performed, which makes it easy for patients to have insufficient purity of the infusion due to impurities and other substances during infusion, affecting the quality of the patient's infusion.

Utility model content

The purpose of this utility model is to provide a micropump blood transfusion device with a filtering function, aiming to solve the problem that the micropump in the prior art basically lacks a filtering function and a filtering device, and cannot filter drugs or sediments and impurities in the blood, resulting in When patients are undergoing infusion, it is easy for impurities and other substances to cause insufficient purity of the infusion and affect the quality of the patient's infusion.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

A micropump blood transfusion device with filtering function, including:

A micropump, the upper end of the micropump is fixedly connected with a connecting shell;

An installation slot is provided at one end of the micropump;

a mounting slot, which is opened on one side of the inner wall of the mounting slot, and a motor is fixedly connected to one side of the inner wall of the mounting slot;

A screw rod, which is fixedly connected to the output end of the motor;

A screw nut, the screw nut is threadedly connected to the circumferential surface of the screw rod;

A filter housing, which is detachably connected to the upper end of the screw nut, and has a connection hole at one end of the filter housing;

A screw nut, which is fixedly connected to the filter housing; and

A disassembly and assembly mechanism is provided on one side of the filter housing.

As a preferred solution of the present invention, the disassembly and assembly mechanism is composed of a pull-back spring, a sleeve ring and a sleeve rod. The pull-back spring is fixedly connected to one end of the screw nut, and the sleeve ring is fixedly connected. At one end of the pull-back spring, a sleeve rod is fixedly connected to one end of the filter housing, and the sleeve ring is sleeved on the circumferential surface of the sleeve rod.

As a preferred solution of the present invention, one end of the sleeve ring is fixedly connected to a stabilizing rod, one end of the screw nut is provided with a stabilizing groove, and the screw nut is slidably connected to the circumferential surface of the stabilizing rod through the stabilizing groove. .

As a preferred solution of the present invention, a stabilizing plate is fixedly connected to the circumferential surface of the stabilizing rod, and a limiting plate is fixedly connected to one end of the screw rod.

As a preferred solution of the present invention, a limiting groove is provided on the lower inner wall of the installation groove, the lower end of the screw nut is fixedly connected to a limiting block, and the limiting block is slidably connected in the limiting groove.

As a preferred solution of the present invention, a plurality of foot pads are fixedly connected to the lower end of the micropump, and the height of the plurality of foot pads is 3 cm.

Compared with the existing technology, the beneficial effects of this utility model are:

1. In this solution, when a microinjection is required for the patient, the syringe can be placed in the connecting shell, and then the screw nut is rotated to move the screw nut threaded on the circumferential surface, thereby driving the filter shell to move, and through The connecting hole is connected to one end of the column syringe. At this time, the blood or medicine can be filtered through the filter screen, and the infusion tube can be connected to the filter housing through the threads on the circumferential surface of the filter housing. Through the above design, the medicine can be filtered and filter impurities in the blood, thereby improving the quality of the patient's infusion.

2. In this solution, the filter housing can be replaced through the disassembly and assembly mechanism so that it can correspond to syringes of different diameters, and when the sleeve ring moves, it can drive the stabilizing rod to slide in the stabilizing groove, thereby improving the sleeve's accuracy. Assume the sliding stability of the ring.

Description of the drawings

The accompanying drawings are used to provide a further understanding of the present utility model, and constitute a part of the specification. They are used to explain the present utility model together with the embodiments of the present utility model, and do not constitute a limitation of the present utility model. In the attached picture:

Figure 1 is a front perspective view of the utility model;

Figure 2 is a main cross-sectional perspective view of the utility model;

Figure 3 is a partial enlarged view of position A in Figure 2 of the present invention.

In the picture: 1. Micro pump; 2. Foot pad; 3. Connection shell; 4. Filter shell; 5. Connection hole; 6. Motor; 7. Installation slot; 8. Limit slot; 9. Limit block; 10 , Screw; 11. Limiting plate; 12. Screw nut; 13. Filter; 14. Stabilizing groove; 15. Stabilizing plate; 16. Stabilizing rod; 17. Pullback spring; 18. Set ring; 19. Set Set up pole.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all implementations. example. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.

Example 1

Please refer to Figure 1-3. This utility model provides the following technical solutions:

A micropump blood transfusion device with filtering function, including:

Micropump 1, the upper end of the micropump 1 is fixedly connected with a connecting shell 3;

An installation slot is provided at one end of the micropump 1;

The installation slot 7 is opened on one side of the inner wall of the installation slot, and the motor 6 is fixedly connected to one side of the inner wall of the installation slot 7;

The screw rod 10 is fixedly connected to the output end of the motor 6;

The screw nut 12 is threadedly connected to the circumferential surface of the screw 10;

The filter housing 4 is detachably connected to the upper end of the screw nut 12, and one end of the filter housing 4 is provided with a connection hole 5;

The screw nut 12 is fixedly connected to the filter housing 4; and

The disassembly and assembly mechanism is located on one side of the filter housing 4. The disassembly and assembly mechanism consists of a pull-back spring 17, a sleeve ring 18 and a sleeve rod 19. The pull-back spring 17 is fixedly connected to one end of the screw nut 12. The sleeve ring 18 is fixedly connected to one end of the pullback spring 17 , one end of the filter housing 4 is fixedly connected to the sleeve rod 19 , and the sleeve ring 18 is sleeved on the circumferential surface of the sleeve rod 19 .

In a specific embodiment of the present invention, when micro-transportation and filtration of infusion and blood are required, the syringe can be placed in the connecting shell 3, and then the motor 6 provided in the placement slot 7 is started so that its output end can rotate And synchronously drive the screw rod 10 to rotate. At this time, the screw nut 12 threaded on its circumferential surface will move in the installation groove. At this time, the filter shell 4 can be synchronously driven to move, and set through the connecting hole 5 to One end of the syringe can filter drugs and blood through the filter screen 13. In actual use, the sleeve ring 18 can be slid away from the circumferential surface of the sleeve rod 19, and the filter housing 4 can be removed. disassembly, so that the filter shell 4 can control the diameter of the connecting hole 5 according to the syringe, and after the replacement is completed, the sleeve ring 18 can be pulled back through the elastic retraction of the pull-back spring 17, and it can be re-opened. It is sleeved to the circumferential surface of the sleeve rod 19, so that the filter housing 4 can be connected to the screw nut 12. Through the above design, the medicine or blood can be filtered, thereby improving the purity of the patient's infusion. What needs to be explained is: The specific type of motor 6 to be used is determined by those skilled in the art, and the above information about the motor 6 belongs to the existing technology and will not be described in detail in this solution.

Specifically, please refer to Figure 2. One end of the sleeve ring 18 is fixedly connected to the stabilizing rod 16. One end of the screw nut 12 is provided with a stabilizing groove 14, and the screw nut 12 is slidably connected to the circumferential surface of the stabilizing rod 16 through the stabilizing groove 14. , a stabilizing plate 15 is fixedly connected to the circumferential surface of the stabilizing rod 16, and a limiting plate 11 is fixedly connected to one end of the screw rod 10.

In this embodiment: when the sleeve ring 18 moves, the stabilizing rod 16 can be driven to slide in the stabilizing groove 14, thereby improving the sliding stability of the sleeve ring 18. The stabilizing plate 15 can prevent the stabilizer rod 16 from sliding excessively. Damage caused by excessive sliding of the screw nut 12 can be prevented by the limiting plate 11 .

Please refer to Figure 2 for details. The lower inner wall of the installation groove is provided with a limit groove 8. The lower end of the screw nut 12 is fixedly connected to the limit block 9. The limit block 9 is slidingly connected in the limit groove 8. The lower end of the micro pump 1 is fixed. A plurality of foot pads 2 are connected, and the height of the plurality of foot pads 2 is 3cm.

In this embodiment: when the screw nut 12 moves, the limit block 9 can be synchronously driven to slide in the limit groove 8, thereby improving the sliding stability of the screw nut 12. The multiple foot pads 2 can improve the micro-intensity. Support stability of pump 1.

The working principle and usage process of the utility model: When micro-transportation and filtration of infusion and blood are required, the syringe can be placed in the connecting shell 3, and then the motor 6 is started so that the output end can rotate and synchronously drive the screw rod 10. Rotate, and then the screw nut 12 will move in the installation groove. At this time, the filter housing 4 can be driven to move synchronously and set to one end of the syringe through the connecting hole 5. At this time, the filter 13 can be used to Medications and blood are filtered.

Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art , it is still possible to modify the technical solutions recorded in the foregoing embodiments, or to make equivalent replacements for some of the technical features. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (6)

1. A micropump blood transfusion system with filtering function, comprising:

the micro pump (1), the upper end of the micro pump (1) is fixedly connected with a connecting shell (3);

the mounting groove is formed in one end of the micro pump (1);

the mounting groove (7) is formed in one side inner wall of the mounting groove, and the motor (6) is fixedly connected to one side inner wall of the mounting groove (7);

the screw rod (10), the said screw rod (10) is fixedly connected to the output end of the motor (6);

a screw nut (12), the screw nut (12) being screwed to the circumferential surface of the screw (10);

the filter shell (4), the filter shell (4) is detachably connected to the upper end of the screw nut (12), and a connecting hole (5) is formed in one end of the filter shell (4);

the screw nut (12), the said screw nut (12) is fixedly connected to the filter shell (4); and

and the disassembly and assembly mechanism is arranged on one side of the filter shell (4).

2. The micropump blood transfusion device with filtering function according to claim 1, wherein the dismounting mechanism is composed of a pull-back spring (17), a sleeve ring (18) and a sleeve rod (19), the pull-back spring (17) is fixedly connected to one end of the screw nut (12), the sleeve ring (18) is fixedly connected to one end of the pull-back spring (17), one end of the filtering shell (4) is fixedly connected with the sleeve rod (19), and the sleeve ring (18) is sleeved on the circumferential surface of the sleeve rod (19).

3. The micropump blood transfusion device with filtering function according to claim 2, wherein one end of the sleeve ring (18) is fixedly connected with a stabilizer bar (16), one end of the screw nut (12) is provided with a stabilizer groove (14), and the screw nut (12) is slidably connected to the circumferential surface of the stabilizer bar (16) through the stabilizer groove (14).

4. A micropump hemostat with filtering action according to claim 3, characterized in that the circumferential surface of the stabilizer bar (16) is fixedly connected with a stabilizer plate (15), and one end of the screw (10) is fixedly connected with a limiting plate (11).

5. The micropump blood transfusion device with filtering function according to claim 4, wherein the lower inner wall of the mounting groove is provided with a limit groove (8), the lower end of the screw nut (12) is fixedly connected with a limit block (9), and the limit block (9) is slidably connected in the limit groove (8).

6. The micropump blood transfusion device with filtering function according to claim 5, wherein the lower end of the micropump (1) is fixedly connected with a plurality of foot pads (2), and the height of the plurality of foot pads (2) is 3cm.