Infusion auxiliary device with pressurizing function

Abstract

The infusion auxiliary device with the pressurizing function comprises two sets of tightening sleeves and an infusion bottle, a lead screw is arranged between the two sets of tightening sleeves, and a protective shell is fixedly connected to the side face of one set of tightening sleeves; stable transmission is achieved through transmission system components such as the driving wheel, the transmission belt and the driven wheel, accurate control over a pressurization system is guaranteed, the lead screw is in threaded connection with the tightening sleeve, and when the lead screw rotates, the tightening sleeve moves in the axial direction of the lead screw and gets close to the center to apply stable pressure to an infusion bottle; the device is simple in structure and convenient to use, the vein blood return phenomenon caused by gravity change is effectively avoided, the blood vessel health of a patient is protected, meanwhile, the device can ensure that fluid infusion is continuously and stably carried out in the transfer process by accurately controlling the pressurization force, and therefore the body fluid balance of the patient is maintained, and the situation that the treatment effect is affected due to fluid infusion interruption is avoided.

Description

Technical Field

[0001] This utility model relates to the field of medical equipment technology, specifically an infusion auxiliary device with built-in pressurization function. Background Technology

[0002] Medical infusion, also known as intravenous infusion, is a treatment method that involves administering large doses of injectable solutions into the body via intravenous drip. Typically, a single dose is more than 100ml. These injectable solutions are packaged in glass or plastic infusion bottles or bags and do not contain preservatives or antibacterial agents. When used, the drip rate can be adjusted using an infusion set to ensure that the medication can be continuously and stably delivered into the vein to replenish body fluids and electrolytes, correct acid-base imbalances, or provide nutrients.

[0003] However, in current medical practice, intravenous infusions are usually suspended from a high place and the liquid drips slowly under the influence of gravity. But in special situations such as transporting patients, we often turn off the infusion directly. This usually causes two problems: first, it can easily lead to venous backflow, and second, it can delay the rehydration process. Utility Model Content

[0004] The purpose of this invention is to provide an infusion auxiliary device with built-in pressurization function in order to solve the problems mentioned above.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an infusion auxiliary device with built-in pressurization function, comprising: a tightening sleeve and an infusion bottle, wherein two sets of tightening sleeves are provided, and a lead screw is provided between the two sets of tightening sleeves, wherein a protective shell is fixedly connected to the side of one set of tightening sleeves, a drive wheel is provided inside the protective shell, a servo motor is installed on the side of the drive wheel, a driven wheel is fixedly connected to one end of the lead screw, a transmission belt is sleeved between the drive wheel and the driven wheel, and a battery compartment is fixedly connected to the bottom of the protective shell.

[0006] As a further improvement of this utility model: a fixing rod is fixedly connected above the tightening sleeve, and a bottle top support plate is fixedly connected above the fixing rod.

[0007] As a further improvement of this utility model: the protective shell is provided with a protective cover on the side, and the protective cover has a dustproof and heat dissipation vent on the side.

[0008] As a further improvement of this utility model: a rubber sleeve is fixedly connected inside the tightening sleeve, and two sets of the rubber sleeve are provided, which are symmetrically arranged on the inner side of the two sets of tightening sleeves.

[0009] As a further embodiment of this utility model: the tightening sleeve, the lead screw, the driven wheel and the transmission belt are each provided in two sets, the lead screw passes through the through hole of the tightening sleeve of the protective shell fixed to one set and is threadedly connected to the threaded hole of the tightening sleeve of the other set.

[0010] As a further improvement of this utility model: the driving wheel has two sets of transmission grooves, which are respectively transmitted to the two sets of driven wheels through the two sets of transmission belts.

[0011] As a further improvement of this utility model: two sets of the fixing rod and the bottle top support plate are provided, which are symmetrically arranged above the two sets of tightening sleeves.

[0012] As a further improvement of this utility model: the protective cover and the protective shell are connected by a snap-fit, and the dustproof heat dissipation vent is in the form of a filter mesh.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] This invention utilizes a transmission system consisting of a drive wheel, a transmission belt, and a driven wheel to smoothly transmit pressure, ensuring precise control of the pressurization system. The lead screw and tightening sleeve are connected by a thread; when the lead screw rotates, the tightening sleeve moves axially along the lead screw, converging towards the center to apply stable pressure to the infusion bottle. This effectively prevents venous backflow caused by gravity changes, protecting the patient's vascular health. Furthermore, the device precisely controls the pressure to ensure continuous and stable fluid replacement during transport, maintaining the patient's fluid balance and preventing treatment interruptions. This design not only improves the continuity and quality of medical services but also reduces the workload of medical staff, providing patients with a safer, more convenient, and more efficient infusion experience. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of an infusion auxiliary device with built-in pressurization function as described in this utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of the protective shell in an infusion auxiliary device with built-in pressurization function as described in this utility model;

[0017] Figure 3 This is a schematic diagram of the top structure of the infusion auxiliary device with built-in pressurization function described in this utility model;

[0018] Figure 4 This is a schematic diagram of point A in an infusion auxiliary device with built-in pressurization function as described in this utility model.

[0019] In the diagram: 1. Tightening sleeve; 2. Lead screw; 3. Protective shell; 4. Drive wheel; 5. Servo motor; 6. Driven wheel; 7. Drive belt; 8. Battery compartment; 9. Fixing rod; 10. Bottle top support plate; 11. Protective cap; 12. Dustproof heat dissipation vent; 13. Rubber sleeve; 14. Infusion bottle. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are 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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. In the description of this utility model, it should be noted that unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "setting" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances. The embodiments of this utility model will be described below based on its overall structure.

[0022] Reference Figures 1 to 4In this embodiment of the present invention, an infusion auxiliary device with built-in pressurization function includes: a tightening sleeve 1 and an infusion bottle 14. The tightening sleeve 1 is provided in two sets, and a lead screw 2 is provided between the two sets of tightening sleeve 1. The lead screw 2 is a key component of the transmission system. One end is fixedly connected to the driven wheel 6, and the other end passes through and is threadedly connected to the threaded hole of one set of tightening sleeve 1. When the driven wheel 6 rotates with the belt, the lead screw 2 rotates synchronously. Due to its threaded connection with the tightening sleeve 1, the tightening sleeve 1 moves along the axial direction of the lead screw. A protective shell 3 is fixedly connected to the side of one set of tightening sleeve 1. An active wheel 4 is provided inside the protective shell 3. A servo motor 5 is installed on the side of the active wheel 4. The core power of the device comes from the servo motor 5. The motor has the characteristics of high precision and high stability and can accurately control the speed and direction according to the preset program.

[0023] When the servo motor 5 starts, the tightening sleeve 1 moves toward the center through the transmission system, and the rubber sleeve 13 is pressed tightly against the infusion bottle, generating a certain pressure to simulate the effect of manual pressurization. Conversely, when the servo motor 5 reverses, the tightening sleeve 1 is loosened and the pressure is released.

[0024] The rubber sleeve 13 is made of a soft and wear-resistant material, which increases the friction between the contact surface with the infusion bottle 14 and avoids direct wear on the infusion bottle. The design of the rubber sleeve also takes into account the sealing performance, which can reduce pressure leakage during pressurization.

[0025] The tightening sleeve 1, lead screw 2, driven pulley 6 and transmission belt 7 are each provided in two sets. The driving pulley 4 has two sets of transmission grooves, which are transmitted to the two sets of driven pulleys 6 through the two sets of transmission belts 7 respectively.

[0026] The power of the servo motor is transmitted to the transmission belt 7 through the drive wheel 4. The belt has good flexibility and wear resistance to ensure the smoothness and reliability of power transmission. The drive wheel 4 is designed with two sets of transmission grooves, which are connected to the two sets of driven wheels 6 through belts to form two independent transmission paths, ensuring that the two sets of tightening sleeves 1 can tighten or loosen synchronously and evenly.

[0027] Reference Figures 1 to 2 A fixing rod 9 is fixed above the tightening sleeve 1, and a bottle top support plate 10 is fixed above the fixing rod 9. There are two sets of both the fixing rod 9 and the bottle top support plate 10, which are symmetrically arranged above the two sets of tightening sleeves 1.

[0028] The installation of the fixing rod 9 and the bottle top support plate 10 provides a stable support platform for the device body, ensuring the stability of the device body during pressurization and preventing the infusion effect or safety hazards caused by shaking.

[0029] Reference Figure 1The protective shell 3 has a protective cover 11 on its side, and a dustproof heat dissipation vent 12 is opened on the side of the protective cover 11. The protective cover 11 and the protective shell 3 are connected by a snap-fit, and the dustproof heat dissipation vent 12 is in the shape of a filter screen.

[0030] This effectively protects the servo motor 5 and its transmission components inside the protective shell 3. At the same time, the dustproof heat dissipation vent 12 on the protective cover 11 not only prevents dust from entering and affecting the performance of the equipment, but also ensures the heat dissipation requirements of the motor during operation.

[0031] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.

[0032] The working principle of this utility model is as follows: The bottle top support plate 10 is placed on the infusion bottle 14 to ensure the stability of the body without shaking. As needed, the servo motor 5 is started. The servo motor 5 drives the driven wheel 6 to rotate through the drive wheel 4 and the transmission belt 7, which in turn drives the lead screw 2 to rotate. The rotation of the lead screw 2 causes the tightening sleeve 1, which is threaded to it, to move axially and move towards the center. Pressure is applied to the infusion bottle through the rubber sleeve 13. By observing the infusion rate or according to the doctor's order, the tightening degree of the tightening sleeve 1 can be adjusted by controlling the speed and direction of the servo motor 5, thereby precisely controlling the pressure applied to the infusion bottle 14. When the infusion is finished or the pressure needs to be stopped, the servo motor 5 is turned off. After the tightening sleeve 1 loses its driving force, it will remain in the current position until the next operation due to the thread self-locking characteristic of the lead screw 2. If it needs to be loosened, it can be achieved by reversing the servo motor 5. The transmission components inside the protective shell 3 are checked regularly, and the dust in the dustproof heat dissipation vent 12 is cleaned to ensure that the equipment is in good working condition. After use, the protective cover 11 can be closed to prevent dust from entering.

[0033] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. An infusion auxiliary device with built-in pressurization function, characterized in that, include: The tightening sleeve (1) and the infusion bottle (14) are provided. There are two sets of tightening sleeves (1). A lead screw (2) is provided between the two sets of tightening sleeves (1). A protective shell (3) is fixed to the side of one set of tightening sleeves (1). An active wheel (4) is provided inside the protective shell (3). A servo motor (5) is installed on the side of the active wheel (4). A driven wheel (6) is fixed to one end of the lead screw (2). A transmission belt (7) is sleeved between the active wheel (4) and the driven wheel (6). A battery compartment (8) is fixed to the bottom of the protective shell (3).

2. The infusion auxiliary device with built-in pressurization function according to claim 1, characterized in that, A fixing rod (9) is fixedly connected above the tightening sleeve (1), and a bottle top support plate (10) is fixedly connected above the fixing rod (9).

3. The infusion auxiliary device with built-in pressurization function according to claim 1, characterized in that, The protective shell (3) has a protective cover (11) on its side, and the protective cover (11) has a dustproof and heat dissipation vent (12) on its side.

4. The infusion auxiliary device with built-in pressurization function according to claim 1, characterized in that, The tightening sleeve (1) is fixedly connected to a rubber sleeve (13), and there are two sets of rubber sleeves (13), which are symmetrically arranged on the inner side of the two sets of tightening sleeves (1).

5. An infusion auxiliary device with built-in pressurization function according to claim 1, characterized in that, The tightening sleeve (1), the lead screw (2), the driven wheel (6) and the transmission belt (7) are each provided in two sets. The lead screw (2) passes through the through hole of the tightening sleeve (1) of the protective shell (3) fixed on one side and is threadedly connected to the threaded hole of the tightening sleeve (1) of the other set.

6. The infusion auxiliary device with built-in pressurization function according to claim 1, characterized in that, The driving wheel (4) has two sets of transmission grooves, which are transmitted to the driven wheels (6) through two sets of transmission belts (7).

7. An infusion auxiliary device with built-in pressurization function according to claim 2, characterized in that, The number of fixed rods (9) and bottle top support plates (10) are both provided in two sets, which are symmetrically arranged above the two sets of tightening sleeves (1).

8. An infusion auxiliary device with built-in pressurization function according to claim 3, characterized in that, The protective cover (11) and the protective shell (3) are connected by a snap-fit, and the dustproof heat dissipation port (12) is a filter mesh.

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