Infusion dripping speed monitoring device

Abstract

The invention discloses an infusion dripping speed monitoring device, and relates to the technical field of medical monitoring equipment, the infusion dripping speed monitoring device comprises a monitoring shell and a mounting seat connected in the monitoring shell, the top of the mounting seat is rotatably connected with a connecting plate, and the mounting seat and the connecting plate are matched for use to form a lever structure; an impact block is vertically and slidably arranged at the top of one end of the connecting plate; in the invention, the light receiver captures an electric signal generated when the liquid drop shields the light, the electric signal is amplified by the signal amplifier and then controls the relay switch, so that the storage battery supplies power to the electromagnet to attract the impact block and cooperates with the second reset spring to assist in resetting. The impact block drives the connecting plate to swing, the rotating gear and the driven rack are driven by the first shifting plate and the second shifting plate to vertically move in a reciprocating mode under the action of the guide rod and the first reset spring, the pointer is driven to move, when the liquid dropping speed is too high, the early warning plate can be impacted to give out a warning tone, and automatic liquid dropping monitoring is facilitated through the arrangement.

Description

Technical Field

[0001] The present invention relates to the technical field of medical monitoring equipment, in particular to an infusion drip rate monitoring device. Background Art

[0002] Intravenous infusion is the most commonly used drug delivery technique in clinical drug therapy. However, due to the patient's age, heart function, physical tolerance, and the different medications used, the medical staff's extensive clinical experience is required to effectively control the infusion rate to successfully complete the drug treatment. For example, the drip rate should be slow for the elderly and infants; it should also be slow for patients with acute and chronic heart failure; the drip rate should be fast for acute dehydration, shock, or high fever; the drip rate should be slow for aminophylline, and fast for mannitol. Therefore, the proper control of the intravenous infusion rate is a crucial part of medical and nursing work, and has become a key component of hospital nurse assessments.

[0003] At present, most hospitals use only disposable infusion sets for patients' infusions, and the drip speed is manually adjusted by medical staff. If the infusion speed changes during the infusion process or the patient needs help, the patient's family members will monitor and report it to the police, and ask medical staff for assistance. This means that when the patient is receiving an infusion, there needs to be special personnel to guard, which not only brings inconvenience to the patient's family, but also wastes a lot of manpower and material resources of the hospital. Summary of the Invention

[0004] The purpose of the present invention is to provide an infusion drip rate monitoring device to solve the problems raised in the above background technology.

[0005] In order to solve the above technical problems, the present invention provides an infusion drip rate monitoring device, including a monitoring shell, including a mounting seat connected to the monitoring shell, the top of the mounting seat is rotatably connected to a connecting plate, the mounting seat and the connecting plate are used together to form a lever structure, the top of one end of the connecting plate is vertically slidably provided with an impact block, the bottom of one end of the connecting plate is connected to a counterweight frame, the end of the connecting plate close to the counterweight frame is connected to a first toggle plate, the monitoring shell is rotatably connected to a rotating gear, the side of the rotating gear close to the first toggle plate is connected to a second toggle plate, the first toggle plate and the second toggle plate conflict with each other, wherein, When the connecting plate swings, the first toggle plate contacts the second toggle plate to drive the rotating gear to rotate. The other side of the rotating gear is meshed with a driven rack, and the side of the driven rack away from the rotating gear is connected to an indicator needle. The monitoring housing is connected with mutually symmetrical warning plates, and the indicator needle can hit the warning plate to produce a warning sound when it moves up and down.

[0006] Further, an installation shell is connected inside the monitoring shell. A storage battery is connected inside the installation shell. An electromagnet is electrically connected to one side of the storage battery. A second return spring is connected to the other side of the electromagnet. The other end of the second return spring is connected to the impact block.

[0007] Further, a drip tube installation groove is formed inside the monitoring shell. A light source emitter and a light receiver that are symmetric to each other are connected inside the monitoring shell. The light source emitter and the light receiver are respectively located on both sides of the drip tube installation groove. A relay switch is connected inside the monitoring shell. The relay switch is electrically connected to the light receiver. The light receiver is electrically connected to the storage battery.

[0008] Further, a fixed shell is connected inside the monitoring shell. A warning board is slidably connected to the fixed shell. A first bidirectional lead screw is rotatably connected inside the fixed shell. Two symmetric first nuts are threadedly connected to the first bidirectional lead screw. The number of warning boards is two. The two warning boards are respectively connected to the two first nuts.

[0009] Further, the counterweight frame includes a counterweight block detachably connected inside the counterweight frame. A transmission lead screw is rotatably connected inside the counterweight frame. A second nut is threadedly connected to the transmission lead screw. One side of the second nut extends into the counterweight frame and is connected to a limiting plate for limiting the counterweight block.

[0010] Further, a guide rod is connected to one side of the driven rack. The guide rod is slidably connected inside the monitoring shell. First return springs are connected to both sides of the driven rack. The other ends of the first return springs are connected inside the monitoring shell.

[0011] Further, two symmetric second bidirectional lead screws are rotatably connected inside the monitoring shell. Two symmetric limiting clamp blocks are threadedly connected to the second bidirectional lead screws. The limiting clamp blocks are used for fixing the infusion tube.

[0012] Further, a synchronous pulley is connected to one end of the second bidirectional lead screw. A synchronous belt is connected in transmission between the two synchronous pulleys.

[0013] Further, a signal amplifier is connected inside the monitoring shell. The signal amplifier is electrically connected to the light receiver and the relay switch respectively.

[0014] Further, a sound amplifier is connected to the top of the monitoring shell.

[0015] Compared with the prior art, the beneficial effects of the present invention are: 1. The light receiver captures the electrical signal generated by the droplet blocking the light. After being amplified by the signal amplifier, it controls the relay switch, enabling the storage battery to supply power to the electromagnet to attract the impact block, and the second return spring assists in its reset. The impact block drives the connecting plate to swing, drives the rotating gear through the first toggle plate and the second toggle plate, and the driven rack reciprocates vertically under the action of the guide rod and the first return spring, driving the indicating needle to move. When the dripping speed is too fast, it can strike the warning plate to emit a prompt sound, and this setting facilitates automatic dripping monitoring.

[0016] 2. Rotate the first bidirectional lead screw to make the two first nuts connected by threads slide on the first limiting rod, driving the two warning plates to move on the fixed housing, and medical staff can customize the dripping speed warning range. After the indicating needle strikes the warning plate, the sound amplifier enhances the warning volume.

[0017] 3. Rotate the transmission lead screw in the counterweight frame, the second nut slides in the limiting groove and drives the limiting plate to move, adjusting the limit on the counterweight block and changing the response of the lever structure to the impact force of the dripping speed. It can be adjusted according to the different tolerances of different patients to the dripping speed to avoid monitoring errors.

[0018] 4. By rotating the second bidirectional lead screw and using the linkage of the synchronous pulley and the synchronous belt, drive the two symmetric limiting clamp blocks to slide in the opposite direction on the second limiting rod, and the infusion tube can be quickly and evenly clamped. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is the overall structural schematic diagram of the present invention; Figure 2 is the side view of the present invention; Figure 3 is the cross-sectional view of the present invention; Figure 4 is the plan view of the present invention; Figure 5 is the present invention Figure 2 the enlarged structural view of part A in; Figure 6 is the present invention Figure 4 the enlarged structural view of part B in; Figure 7 is the present invention Figure 4 the enlarged structural view of part C in.

[0020] In the figure: 1, monitoring housing; 2, mounting seat; 3, connecting plate; 4, impact block; 5, first toggle plate; 6, second toggle plate; 7, rotating gear; 8, driven rack; 9, indicating needle; 10, counterweight frame; 11, warning plate; 12, storage battery; 13, electromagnet; 14, second return spring; 15, light source emitter; 16, light receiver; 17, relay switch; 18, first bidirectional lead screw; 19, first nut; 20, counterweight; 21, transmission lead screw; 22, second nut; 23, limiting plate; 24, second bidirectional lead screw; 25, limiting clamp block; 26, synchronous pulley; 27, synchronous belt; 28, signal amplifier; 29, sound amplifier; 30, restraint plate; 31, indicating plate; 32, first limiting rod; 33, second limiting rod; 34, first return spring. Specific implementation mode

[0021] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0022] Please refer to Figures 1-7 , the present invention provides a technical solution: an infusion drip rate monitoring device, including a monitoring housing 1, including a mounting seat 2 connected inside the monitoring housing 1. The top of the mounting seat 2 is rotatably connected with a connecting plate 3. The mounting seat 2 and the connecting plate 3 are used in cooperation to form a lever structure. The top of one end of the connecting plate 3 is vertically slidably provided with an impact block 4. The bottom of one end of the connecting plate 3 is connected with a counterweight frame 10. One end of the connecting plate 3 close to the counterweight frame 10 is connected with a first toggle plate 5. A rotating gear 7 is rotatably connected inside the monitoring housing 1. A second toggle plate 6 is connected to one side of the rotating gear 7 close to the first toggle plate 5. The first toggle plate 5 and the second toggle plate 6 are in mutual contact. Among them, When the connecting plate 3 swings, it drives the rotating gear 7 to rotate by the first toggle plate 5 contacting the second toggle plate 6. The other side of the rotating gear 7 is meshed and connected with a driven rack 8. The side of the driven rack 8 away from the rotating gear 7 is connected with an indicating needle 9. Warning plates 11 that are symmetric with each other are connected inside the monitoring housing 1. When the indicating needle 9 moves up and down, it can impact the warning plate 11 to generate a warning sound.

[0023] During specific implementation, the impact block 4 slides vertically and drives the connecting plate 3 to swing. Since the mounting base 2 and the connecting plate 3 form a lever structure, when the connecting plate 3 swings, the first toggle plate 5 at one end thereof contacts the second toggle plate 6 on the side of the rotating gear 7, driving the rotating gear 7 to rotate. The rotation of the rotating gear 7 drives the meshing driven rack 8 to move up and down, and the indicator needle 9 on the driven rack 8 also moves accordingly. When the infusion drip rate is too fast, the indicator needle 9 moves and hits the early warning plate 11, generating an early warning sound. This setting realizes automatic monitoring and early warning of the infusion drip rate. The infusion drip rate is converted into the movement and early warning of the indicator needle 9 through mechanical transmission, and there is no need for a dedicated person to monitor at all times, saving manpower and material resources in the hospital.

[0024] See also Figures 1-7 A dropper mounting groove is provided in the monitoring shell 1, and a symmetrical light source emitter 15 and a light receiver 16 are connected in the monitoring shell 1. The light source emitter 15 and the light receiver 16 are respectively located on both sides of the dropper mounting groove. A relay switch 17 is connected in the monitoring shell 1, and the relay switch 17 is electrically connected to the light receiver 16. The light receiver 16 is electrically connected to the battery 12. A mounting shell is connected in the monitoring shell 1, and a battery 12 is connected in the mounting shell. One side of the battery 12 is electrically connected to an electromagnet 13, and the other side of the electromagnet 13 is connected to a second return spring 14. The other end of the second return spring 14 is interconnected with the impact block 4.

[0025] In specific implementation, the light emitter 15 and light receiver 16 are located on either side of the drip tube mounting slot. When a droplet of liquid passes through the infusion tube, the droplet blocks the light, causing the light signal received by the light receiver 16 to change, generating an electrical signal. This electrical signal is amplified by the signal amplifier 28, controlling the operation of the relay switch 17, which in turn controls the power on and off of the battery 12 and the electromagnet 13, thereby providing auxiliary control of the impact block 4. When the light receiver 16 detects a droplet of liquid passing through the infusion tube, it generates an electrical signal. This circuit controls the relay switch 17 to close, energizing the battery 12. The electromagnet 13 generates a magnetic attraction to the impact block 4, simultaneously stretching the second return spring 14. After the droplet passes, the relay switch 17 opens, the electromagnet 13 loses its magnetism, and the second return spring 14 pulls the impact block 4 back into its original position.

[0026] See also Figures 1-7 A fixed shell is connected to the monitoring shell 1, and the early warning board 11 is slidably connected to the fixed shell. A first bidirectional screw rod 18 is rotatably connected to the fixed shell, and two first nuts 19 symmetrical to each other are threadedly connected to the first bidirectional screw rod 18. There are two early warning boards 11, and the two early warning boards 11 are respectively connected to the two first nuts 19.

[0027] It should be noted that a first limiting rod 32 is connected inside the fixed housing. The first nut 19 is slidably connected to the first limiting rod 32. The provided first limiting rod 32 can limit and guide the sliding of the first nut 19. One side of the fixed housing is connected with an indicating board 31. Both the indicating board 31 and the indicating needle 9 are coated with fluorescent powder. One side of the monitoring housing 1 is made of transparent acrylic board, which facilitates the user to observe the indicating board 31 and the indicating needle 9 to judge the dripping speed.

[0028] During specific implementation, rotate the first bidirectional lead screw 18, and the two first nuts 19 threadedly connected thereto will move in opposite directions along the lead screw, driving the warning boards 11 connected to the first nuts 19 to slide on the fixed housing, thereby adjusting the distance between the two warning boards 11. The range where the indicating needle 9 triggers a warning can be set according to different infusion requirements. This setting allows medical staff to flexibly adjust the warning range according to factors such as the patient's age, condition, and drug characteristics, changing the single and fixed warning mode of traditional infusion devices and enabling the device to adapt to diverse clinical needs.

[0029] Please refer to Figures 1-7 , the counterweight frame 10 includes a counterweight block 20 detachably connected inside the counterweight frame 10. A transmission lead screw 21 is rotatably connected inside the counterweight frame 10. A second nut 22 is threadedly connected to the transmission lead screw 21. One side of the second nut 22 extends into the counterweight frame 10 and is connected with a limiting plate 23 for limiting the counterweight block 20.

[0030] It should be noted that a limiting groove for the sliding of the second nut 22 is provided on one side of the counterweight frame 10.

[0031] During specific implementation, rotate the transmission lead screw 21, and the second nut 22 threadedly connected thereto drives the limiting plate 23 to move, thereby adjusting the limiting position of the counterweight block 20 and realizing the adjustment of the counterweight of the counterweight frame 10. This setting can address special situations during infusion for different patients, such as differences in the tolerance of some patients to the dripping speed. At this time, by adjusting the counterweight and elasticity of the counterweight frame 10, the response degree of the lever structure to the impact force of the infusion drip can be changed. It avoids the problem of inaccurate drip speed monitoring caused by individual differences among patients and enables the device to adapt to different infusion scenarios.

[0032] Please refer to Figures 1-7 , one side of the driven rack 8 is connected with a guide rod. The guide rod is slidably connected inside the monitoring housing 1. Both sides of the driven rack 8 are connected with first return springs 34. The other ends of the first return springs 34 are connected inside the monitoring housing 1.

[0033] During specific implementation, when the driven rack 8 moves up and down driven by the rotating gear 7, the guide rod slides inside the monitoring housing 1 to provide guidance for the driven rack 8 to prevent it from shifting; the two first return springs 34 on both sides provide a return elastic force when the driven rack 8 moves, enabling it to return to its original position after the change in the dripping speed stops.

[0034] Please refer to Figures 1-7 , inside the monitoring housing 1, there are two symmetrically arranged second double lead screws 24 rotatably connected. Threadedly connected to the second double lead screws 24 are two symmetrically arranged limit clamping blocks 25, and the limit clamping blocks 25 are used to fix the infusion tube.

[0035] It should be noted that a second limit rod 33 is connected inside the monitoring housing 1, and the limit clamping blocks 25 are slidably connected to the second limit rod 33. A restraint plate 30 is hinged on the monitoring housing 1 to further fix the infusion tube.

[0036] During specific implementation, rotate the second double lead screw 24, and the two limit clamping blocks 25 threadedly connected to it move in opposite directions along the screw, thereby clamping or loosening the infusion tube. This setting facilitates fixing the device on the infusion tube and ensures the accuracy of monitoring.

[0037] Please refer to Figures 1-7 , one end of the second double lead screw 24 is connected with a synchronous pulley 26, and a synchronous belt 27 is drivingly connected between the two synchronous pulleys 26.

[0038] During specific implementation, when rotating one of the second double lead screws 24, the synchronous pulley 26 connected to one end of it rotates accordingly, and drives the other synchronous pulley 26 and the second double lead screw 24 to rotate synchronously through the synchronous belt 27, ensuring that the limit clamping blocks 25 on the two second double lead screws 24 act synchronously to uniformly clamp or loosen the infusion tube.

[0039] Please refer to Figures 1-7 , a signal amplifier 28 is connected inside the monitoring housing 1, and the signal amplifier 28 is electrically connected to the light receiver 16 and the relay switch 17 respectively.

[0040] During specific implementation, the electrical signal generated by the light receiver 16 is weak, and the signal amplifier 28 amplifies it. The amplified electrical signal can more stably and reliably control the action of the relay switch 17, ensuring the normal operation of components such as the electromagnet 13.

[0041] Please refer to Figures 1-7 , a sound amplifier 29 is connected to the top of the monitoring housing 1.

[0042] During specific implementation, the warning sound generated by the indicating needle 9 hitting the warning plate 11 is amplified by the sound amplifier 29, making the warning sound louder and able to attract the attention of medical staff and patients in a timely manner.

[0043] Working Principle: When using the infusion drip rate monitoring device, first place the infusion tube in the drip tube mounting slot within the monitoring housing 1. Rotating one of the second bidirectional screws 24 causes the synchronous pulley 26 at one end to rotate accordingly, driving the other synchronous pulley 26 and the second bidirectional screw 24 to rotate synchronously via the synchronous belt 27. Because two symmetrical limiting clamps 25 are threadedly connected to the second bidirectional screw 24, and the limiting clamps 25 slide on the second limiting rod 33, the two limiting clamps 25 move in opposite directions along the screw, thereby evenly clamping the infusion tube and ensuring that the device is securely installed on the infusion tube. During the infusion process, when a droplet passes through the infusion tube, the droplet will block the light, causing the light signal received by the light receiver 16 to change, thereby generating an electrical signal. However, this electrical signal is weak and needs to be amplified by the signal amplifier 28. The amplified electrical signal controls the operation of the relay switch 17. When the light receiver 16 detects the passage of the droplet, the relay switch 17 closes, the battery 12 is energized, and the electromagnet 13 generates magnetic attraction to the impact block 4, while stretching the second return spring 14. After the droplet passes, the relay switch 17 opens, the electromagnet 13 loses its magnetism, and the second return spring 14 pulls the impact block 4 to reset. The reciprocating impact block 4 slides vertically on the top of one end of the connecting plate 3, thereby driving the connecting plate 3 to swing. Because the mounting base 2 and the connecting plate 3 cooperate to form a lever structure, when the connecting plate 3 swings, its first toggle plate 5 close to one end of the counterweight frame 10 will contact the second toggle plate 6 on the side of the rotating gear 7, driving the rotating gear 7 to rotate. When the rotating gear 7 rotates, the driven rack 8 meshing with the other side will move up and down, and the guide rod connected to one side of the driven rack 8 slides in the monitoring shell 1, providing guidance for the driven rack 8 to prevent it from shifting. At the same time, the first return springs 34 on both sides of the driven rack 8 provide return force when it moves. The indicator needle 9 connected to the driven rack 8 also moves up and down accordingly. By observing the position of the indicator needle 9 relative to the indicator plate 31, since both the indicator plate 31 and the indicator needle 9 are coated with fluorescent powder, and one side of the monitoring shell 1 is made of a transparent acrylic plate, the user can easily judge the dripping speed; Medical personnel can rotate the first bidirectional screw 18 based on factors such as the patient's age, condition, and medication properties. As the two first nuts 19 threaded onto the first bidirectional screw 18 slide on the first limit rod 32, the two first nuts 19 will move in opposite directions along the screw, driving the two warning plates 11 connected thereto to slide on the fixed housing, thereby adjusting the distance between the two warning plates 11 and setting the range within which the indicator needle 9 triggers the warning. When the infusion drip rate is too fast, the indicator needle 9 moves and hits the warning plate 11, generating a warning sound. The warning sound is amplified by the sound amplifier 29, making the warning sound louder and attracting the attention of medical personnel and patients in a timely manner. In view of the different tolerances of different patients to the drip rate, the transmission lead screw 21 in the counterweight frame 10 can be rotated. The second nut 22 threadedly connected thereto slides in the limiting groove on one side of the counterweight frame 10 and drives the limiting plate 23 to move, thereby adjusting the limiting position of the counterweight block 20 and realizing the adjustment of the overall counterweight and elasticity of the counterweight frame 10.

Claims

1. An infusion drip rate monitoring device, comprising a monitoring housing (1), characterized in that, The invention comprises a mounting seat (2) connected to a monitoring housing (1), the top of the mounting seat (2) being rotatably connected to a connecting plate (3), the mounting seat (2) and the connecting plate (3) being used in conjunction with each other to form a lever structure, the top of one end of the connecting plate (3) being vertically slidably provided with an impact block (4), the bottom of one end of the connecting plate (3) being connected to a counterweight frame (10), the end of the connecting plate (3) close to the counterweight frame (10) being connected to a first toggle plate (5), the monitoring housing (1) being rotatably connected to a rotating gear (7), the rotating gear (7) being connected to a second toggle plate (6) on a side close to the first toggle plate (5), the first toggle plate (5) and the second toggle plate (6) being in conflict with each other, wherein: When the connecting plate (3) swings, the first toggle plate (5) contacts the second toggle plate (6), driving the rotating gear (7) to rotate. The other side of the rotating gear (7) is meshedly connected with a driven rack (8), and the side of the driven rack (8) away from the rotating gear (7) is connected with an indicator needle (9). The monitoring housing (1) is connected with mutually symmetrical warning plates (11), and the indicator needle (9) can hit the warning plate (11) when moving up and down to generate a warning sound.

2. The infusion drip rate monitoring device according to claim 1, characterized in that: The monitoring housing (1) is connected to a mounting housing, the mounting housing is connected to a battery (12), one side of the battery (12) is electrically connected to an electromagnet (13), the other side of the electromagnet (13) is connected to a second return spring (14), and the other end of the second return spring (14) is interconnected with the impact block (4).

3. The infusion drip rate monitoring device according to claim 2, wherein: A drip tube installation groove is provided in the monitoring housing (1), and a mutually symmetrical light source transmitter (15) and a light receiver (16) are connected in the monitoring housing (1), and the light source transmitter (15) and the light receiver (16) are respectively located on both sides of the drip tube installation groove. A relay switch (17) is connected in the monitoring housing (1), and the relay switch (17) is electrically connected to the light receiver (16), and the light receiver (16) is electrically connected to the battery (12).

4. The infusion drip rate monitoring device according to claim 1, characterized in that: The monitoring housing (1) is connected to a fixed housing, the warning plate (11) is slidably connected to the fixed housing, a first bidirectional screw rod (18) is rotatably connected to the fixed housing, two first nuts (19) symmetrical to each other are threadedly connected to the first bidirectional screw rod (18), the number of the warning plates (11) is two, and the two warning plates (11) are respectively connected to the two first nuts (19).

5. The infusion drip rate monitoring device according to claim 1, characterized in that: The counterweight frame (10) includes a counterweight block (20) detachably connected to the counterweight frame (10), a transmission screw (21) rotatably connected to the counterweight frame (10), a second nut (22) threadedly connected to the transmission screw (21), and one side of the second nut (22) extends into the first return spring (10) and is connected to a limiting plate (23) for limiting the counterweight block (20).

6. The infusion drip rate monitoring device according to claim 1, wherein: One side of the driven rack (8) is connected with a guide rod, the guide rod is slidably connected in the monitoring housing (1), both sides of the driven rack (8) are connected with first return springs (34), and the other ends of the first return springs (34) are connected in the monitoring housing (1).

7. The infusion drip rate monitoring device according to claim 1, characterized in that: Two symmetrically arranged second bidirectional lead screws (24) are rotatably connected in the monitoring housing (1), and two symmetrically arranged limit clamping blocks (25) are threadedly connected to the second bidirectional lead screws (24), and the limit clamping blocks (25) are used for fixing the infusion tube.

8. The infusion drip rate monitoring device according to claim 7, characterized in that: One end of the second bidirectional lead screw (24) is connected with a synchronous pulley (26), and a synchronous belt (27) is drivingly connected between the two synchronous pulleys (26).

9. The infusion drip rate monitoring device according to claim 3, characterized in that: A signal amplifier (28) is connected in the monitoring housing (1), and the signal amplifier (28) is electrically connected to the light receiver (16) and the relay switch (17) respectively.

10. The infusion drip rate monitoring device according to claim 1, wherein: A sound amplifier (29) is connected to the top of the monitoring housing (1).

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