Infusion pressurizer for facilitating ambulation

Abstract

The application discloses a kind of infusion pressurizers of convenient walking time pressurization, including shape and infusion bottle corresponding shell and opening in the right side of shell for infusion device is put into the opening, infusion bottle is put into, infusion device directly from the opening place down and come over, the shell is provided with "C" shape air bag cover that can embrace soft infusion bottle to generate extrusion pressure, this is mainly aimed at plastic plastic bottle, realize pressurization, most infusion bottles are plastic material currently, use more, still including the piston cylinder being set in the outside of shell, and the bottom of piston cylinder is provided with the air vent being communicated with air bag cover, can input the gas in piston cylinder to air bag cover and realize pressurization, the piston cylinder is provided with piston mechanism and counterweight mechanism of gravity balance, when infusion bottle medicine liquid reduces, counterweight mechanism promotes piston mechanism to descend to increase the pressure of air bag cover, to prevent blood return when walking to infusion bag pressurization.

Description

Technical Field

[0001] This invention relates to the field of infusion bag pressurization while walking, specifically to an infusion pressurizer that facilitates pressurization while walking. Background Technology

[0002] Currently, infusion bottles are mostly made of glass or plastic, with plastic being the most common due to its durability and safety. Glass bottles are used in some cases where specific requirements dictate otherwise. However, with plastic infusion bottles, as the infusion progresses, the solution level decreases, the height drops, the pressure decreases, and the infusion rate slows down. This is especially true after the patient gets out of bed and walks, when the bottle height may involuntarily decrease, potentially causing blood backflow due to insufficient pressure, particularly during trips to the restroom. Therefore, how to pressurize the soft infusion bottle during walking, especially when the solution level is low, is a pressing issue for technicians in this field. Summary of the Invention

[0003] The purpose of this invention is to provide an infusion pressurizer that is convenient for pressurization while walking, so as to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, the present invention provides the following technical solution: an infusion pressurizer for convenient pressure application while walking, comprising a shell corresponding to the shape of an infusion bottle and an opening on the right side of the shell for inserting an infusion set. After the infusion bottle is inserted, the infusion set passes directly through the opening. The shell contains a "C"-shaped air bladder that can surround a soft infusion bottle to generate squeezing force, primarily for plastic bottles, to achieve pressure application. Currently, most infusion bottles are made of plastic and are widely used. The shell also includes a piston cylinder located on the outside, with a vent at the bottom communicating with the air bladder, allowing gas from the piston cylinder to be introduced into the air bladder for pressure application. The piston cylinder contains a piston mechanism and an anti-gravity mechanism to balance gravity. When the infusion solution in the bottle decreases, the anti-gravity mechanism causes the piston mechanism to move downward to increase the pressure of the air bladder, thereby pressurizing the infusion bag while walking to prevent backflow of blood. When the patient walks after removing the IV bag, if there is too little medication, the height and weight of the IV bag will decrease, and the infusion pressure will also decrease, making it easy for blood to flow back. However, the anti-gravity mechanism, after the weight decreases, drives the piston mechanism to move down, achieving automatic pressure increase. The less medication there is and the less weight there is, the greater the pressure increase, thus avoiding blood flow back caused by the IV bag being too low after removal.

[0005] Preferably, the piston mechanism includes a piston plate installed inside the piston cylinder and a pull rod connected to the piston plate. The pull rod extends upward through the piston cylinder and is connected to a pull ring. The upper end of the piston cylinder has a guide hole corresponding to the pull rod and a vent hole, which maintains pressure balance.

[0006] Preferably, the anti-gravity mechanism includes a spring disposed between the piston plate and the top wall of the piston cylinder cavity, and the spring is sleeved on the pull rod. The spring is used to balance the weight of the infusion bottle and the internal medicine solution. When it is in a compressed state, the medicine solution decreases, the spring extends, the piston plate moves down, pressurizes the air bladder sleeve, increases the infusion pressure inside the infusion bottle, and prevents backflow.

[0007] Preferably, the system also includes a traction mechanism and a limiting mechanism for suspending the infusion stand. The traction mechanism is positioned between the pull rod and the pull ring. When the traction mechanism is suspended on the infusion stand, it is restricted from moving downwards by the limiting mechanism to prevent pressurization. After being removed, it moves downwards to apply pressure. Through the traction and limiting mechanisms, during normal infusion while suspended on the infusion stand, no pressure is applied, and the flow rate can be controlled by a drip rate switch. When the patient needs to walk or go to the restroom, the infusion stand is removed, and pressurization is applied to prevent the infusion bottle from being too low and causing blood backflow. This makes the process more comfortable for the patient, as they do not need to hold the bottle so high.

[0008] Preferably, the pulling mechanism includes a pull rope disposed between the pull rod and the pull ring, and a soft limiting ring with a fork in the middle of the pull rope, the limiting ring being able to be suspended on the infusion rod. After the limiting ring is fitted onto the infusion rod, the pull rod is in a high position. After being removed, under the action of the spring, the limiting ring passes through the limiting mechanism, and the piston plate moves down to inflate and pressurize.

[0009] Preferably, the limiting mechanism includes two front and rear support rods mounted on the piston cylinder and a support plate positioned between the upper ends of the two support rods. The support plate has a rope hole for a limiting ring to pass through. After the limiting ring is suspended from the infusion rod, its downward movement is restricted by the support plate. When the limiting ring is fitted onto the infusion rod, the pull rod is in a high position. Upon removal, under the action of a spring, the limiting ring passes through the rope hole, causing the piston plate to move downwards and pressurize.

[0010] Preferably, the cross-section of the piston cylinder is arc-shaped and coaxial with the outer shell, with a smoother and more rounded outer side.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] 1. As the amount of medication in the infusion bottle decreases, the compression of the spring decreases, and the piston cylinder moves up relative to the piston plate. This continuously applies positive pressure to the air bladder through the vent at the bottom, compensating for the pressure loss caused by the decrease in medication and ensuring the infusion effect. When the patient walks, they can lift the ring to increase the pressure. This allows the infusion bottle to pressurize itself using its own weight, ensuring normal infusion without backflow.

[0013] 2. The setting of the limiting ring can ensure that no pressure is applied during normal infusion. After being removed while walking, the limiting ring passes through the rope hole of the support plate and moves down quickly under the action of the spring force. The piston plate moves down synchronously, and the air bladder inflates to increase pressure, which compensates for the pressure loss caused by the reduction in height and the amount of medicine, and avoids or reduces backflow. Moreover, the less medicine there is, the greater the pressure increase, which compensates for the effects of the reduced volume and weight of the infusion bottle, and ensures the effect.

[0014] 3. This application has two forms. One is to pressurize during infusion and increase the pressure when walking. This way, when the infusion bottle is at a relatively low height, it can be pressurized by its own weight to ensure pressure. The second is to increase the pressure when walking after removing the bottle and then reattaching it for normal infusion. This is flexible and convenient. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of the first embodiment of the present invention;

[0016] Figure 2 This is a front view of the first embodiment of the present invention;

[0017] Figure 3 This is a top view of the first embodiment of the present invention;

[0018] Figure 4 This is a first axonometric view of the first embodiment of the present invention;

[0019] Figure 5 This is a second axonometric view of the first embodiment of the present invention;

[0020] Figure 6 This is a front view of the second embodiment of the present invention;

[0021] Figure 7 This is an isometric view of the second embodiment of the present invention.

[0022] In the diagram: 1. Outer shell; 2. Airbag sleeve; 3. Piston cylinder; 31. Vent; 32. Piston plate; 33. Pull rod; 34. Pull ring; 35. Vent hole; 4. Spring; 5. Pull rope; 51. Limiting ring; 6. Support rod; 61. Support plate. Detailed Implementation

[0023] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0024] Example 1

[0025] Please see Figures 1 to 5This invention provides a convenient infusion pressurizer for use while walking: An infusion pressurizer includes a shell 1 with a shape corresponding to the infusion bottle and an opening on the right side of the shell 1 for inserting the infusion set. After the infusion bottle is inserted, the infusion set passes directly through the opening. The shell 1 contains a C-shaped air bladder 2 that can surround the soft infusion bottle to generate pressure. This is primarily for plastic bottles, achieving pressurization. Currently, most infusion bottles are made of plastic and are widely used. The system includes a piston cylinder 3 located on the outside of the outer casing 1. The cross-section of the piston cylinder is arc-shaped and coaxial with the outer casing 1, with a smoother, more rounded outer side. A vent 31, communicating with the airbag sleeve 2, is located at the bottom of the piston cylinder 3, allowing gas to be introduced into the airbag sleeve 2 for pressurization. The piston cylinder 3 contains a piston mechanism and an anti-gravity mechanism to balance gravity. When the infusion fluid level decreases, the anti-gravity mechanism causes the piston mechanism to move downwards, increasing the pressure in the airbag sleeve 2. This pressurizes the infusion bag during walking to prevent backflow. When the patient removes the bag and walks, if the fluid level is too low, both the fluid level and weight decrease, leading to a drop in infusion pressure and increasing the risk of backflow. The anti-gravity mechanism, as the weight decreases, moves the piston mechanism downwards, automatically increasing pressure. The lower the fluid level and weight, the greater the pressure increase, thus preventing backflow caused by the bag being too low after removal.

[0026] The piston mechanism includes a piston plate 32 installed inside the piston cylinder 3 and a pull rod 33 connected to the piston plate 32. The pull rod 33 extends upward through the piston cylinder 3 and is connected to a pull ring 34. The upper end of the piston cylinder 3 is provided with a guide hole corresponding to the pull rod 33, and the upper end of the piston cylinder 3 is provided with a vent hole 35. The vent hole 35 maintains pressure balance.

[0027] The anti-gravity mechanism includes a spring 4 disposed between the piston plate 32 and the top wall of the inner cavity of the piston cylinder 3, and the spring 4 is sleeved on the pull rod 33. The spring 4 is used to balance the gravity of the infusion bottle and the internal medicine. When the medicine decreases, the spring 4 extends, the piston plate 32 moves down, pressurizes the air bladder sleeve 2, increases the infusion pressure in the infusion bottle, and prevents backflow.

[0028] Example 2

[0029] like Figures 6 to 7As shown, based on Embodiment 1, as a preferred embodiment, it further includes a traction mechanism and a limiting mechanism that can be suspended on the infusion stand. The traction mechanism is located between the pull rod 33 and the pull ring 34. When the traction mechanism is suspended on the infusion stand, it can be restricted from moving downwards by the limiting mechanism to prevent pressurization. After being removed, it moves downwards to apply pressure. Through the traction mechanism and the limiting mechanism, during normal infusion while suspended on the infusion stand, no pressure is applied, and the flow rate can be controlled by the drip rate switch. When walking or going to the toilet, the infusion stand is removed, and pressure is applied to prevent the infusion bottle from being too low and causing blood backflow. This makes it more comfortable for the patient, as they do not need to hold the bottle so high.

[0030] The pulling mechanism includes a pull rope 5 disposed between the pull rod 33 and the pull ring 34, and a soft limiting ring 51 with a fork in the middle of the pull rope 5. The limiting ring 51 can be suspended on the infusion rod. After the limiting ring 51 is fitted onto the infusion rod, the pull rod 33 is in a high position. After being removed, under the action of the spring 4, the limiting ring 51 passes through the limiting mechanism, and the piston plate 32 moves down to inflate and pressurize. The limiting mechanism includes two front and rear support rods 6 disposed on the piston cylinder 3 and a support plate 61 disposed between the upper ends of the two support rods 6. The support plate 61 has a rope hole for the limiting ring 51 to pass through. After the limiting ring 51 is suspended on the infusion rod, it can be restricted from moving downward by the support plate 61. After the limiting ring 51 is fitted onto the infusion rod, the pull rod 33 is in a high position. After being removed, under the action of the spring 4, the limiting ring 51 passes through the rope hole, and the piston plate 32 moves down to inflate and pressurize.

[0031] Working principle: As the amount of medicine in the infusion bottle decreases, the compression of the spring 4 decreases, and the piston cylinder 3 moves upward relative to the piston plate 32. This continuously applies positive pressure to the air bag sleeve 2 through the vent 31 at the bottom, ensuring the infusion effect. When the patient walks, they can lift the ring 34 to increase the pressure. This allows the infusion bottle to pressurize itself by its own weight. When the infusion bottle is at a relatively low height, the pressure is increased to ensure normal infusion without backflow of blood.

[0032] The limiting ring 51 ensures that no pressure is applied during normal infusion. After being removed while walking, the limiting ring 51 passes through the rope hole of the support plate 61 and moves down rapidly under the elastic force of the spring 4. The piston plate 32 moves down simultaneously, and the air bag sleeve 2 inflates to increase pressure, compensating for the pressure loss caused by the reduction in height and medication, thus avoiding or reducing backflow. Moreover, the less medication there is, the greater the pressure increase, compensating for the effects of the reduced volume and weight of the infusion bottle, and ensuring the effectiveness.

[0033] The application has two forms. One is to pressurize during infusion and increase the pressure when walking. This way, when the infusion bottle is relatively low, it can be pressurized by its own weight to ensure pressure. The second is to increase the pressure when walking after removing the bottle and then reattaching it for normal infusion, which is flexible and convenient.

[0034] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A transfusion pressurizer for facilitating walking with pressure, comprising a casing (1) corresponding to the shape of a transfusion bottle and an opening provided on the right side of the casing (1) for the insertion of a transfusion device, characterized in that: The outer shell (1) is provided with a "C"-shaped airbag sleeve (2) that can surround the soft infusion bottle to generate squeezing force. It also includes a piston cylinder (3) located on the outside of the outer shell (1). The bottom of the piston cylinder (3) is provided with a vent (31) that communicates with the airbag sleeve (2). The piston cylinder (3) is provided with a piston mechanism and an anti-gravity mechanism that balances gravity. When the infusion bottle liquid decreases, the anti-gravity mechanism causes the piston mechanism to move down to increase the pressure of the airbag sleeve (2), thereby pressurizing the infusion bag to prevent backflow of blood when walking.

2. The infusion pressurizer for convenient pressurization while walking, as described in claim 1, is characterized in that: The piston mechanism includes a piston plate (32) installed inside the piston cylinder (3) and a pull rod (33) connected to the piston plate (32). The pull rod (33) extends upward through the piston cylinder (3) and is connected to a pull ring (34). The upper end of the piston cylinder (3) is provided with a guide hole corresponding to the pull rod (33), and the upper end of the piston cylinder (3) is provided with a vent hole (35).

3. The infusion pressurizer for convenient pressurization while walking, as described in claim 2, is characterized in that: The anti-gravity mechanism includes a spring (4) disposed between the piston plate (32) and the top wall of the inner cavity of the piston cylinder (3), and the spring (4) is sleeved on the pull rod (33).

4. The infusion pressurizer for convenient pressurization while walking, as described in claim 3, is characterized in that: It also includes a traction mechanism that can be suspended on the infusion rod and a limiting mechanism. The traction mechanism is located between the pull rod (33) and the pull ring (34). When the traction mechanism is suspended on the infusion rod, it can be restricted to move downward by the limiting mechanism to achieve no pressure, and after being removed, it moves downward to achieve pressure.

5. The infusion pressurizer for convenient pressurization while walking, as described in claim 4, is characterized in that: The pulling mechanism includes a pull rope (5) disposed between the pull rod (33) and the pull ring (34), and a soft limiting ring (51) with a fork is provided in the middle of the pull rope (5), which can be suspended on the infusion rod.

6. The infusion pressurizer for convenient pressurization while walking, as described in claim 5, is characterized in that: The limiting mechanism includes two front and rear support rods (6) on the piston cylinder (3) and a support plate (61) between the upper ends of the two support rods (6). The support plate (61) has a rope hole for the limiting ring (51) to pass through. After the limiting ring (51) is suspended on the infusion rod, it can be restricted to move downward by the support plate (61).

7. The infusion pressurizer for convenient pressurization while walking, as described in claim 1, is characterized in that: The cross-section of the piston cylinder is an arc shape coaxial with the outer shell (1).

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