CN213031530U - Infusion alarm triggered by gravity - Google Patents

Abstract

The utility model belongs to the technical field of medical instrument, especially, relate to an utilize infusion alarm of gravity trigger warning. The infusion alarm comprises a shell, wherein a spring is arranged in the shell and connected with a hook, an alarm device, an alarm position adjusting device and a power supply are further arranged on the shell, the infusion alarm further comprises a first contact piece, a second contact piece and a pushing piece, the first contact piece and the second contact piece are both arranged on the alarm position adjusting device, and when the pushing piece pushes the first contact piece and the second contact piece to be in contact, the alarm device and the power supply are electrically connected. Has the advantages that: the relative position of first contact and second contact keeps stable basically, and is different from the relative position change between traditional contact and the probe always, and the distance between switch module and the impeller need not set up very big, can adapt to partial infusion, adjusts infusion alarm position in a small scale promptly, and is difficult to appear the problem that first contact and second contact touched by mistake to avoid giving false alarm.

Description

Infusion alarm triggered by gravity

Technical Field

The utility model belongs to the technical field of medical instrument, especially, relate to an utilize infusion alarm of gravity trigger warning.

Background

When a patient is in transfusion, the patient or an attendant is required to carry out certain monitoring on the transfusion progress, the phenomenon of empty dripping is prevented, and unnecessary injury to the patient is avoided. In the process of daily hospitalizing, medical care personnel need to pay attention to the infusion process all the time, but the number of patients is large, all the patients cannot be considered at the same time, and the patients are easily injured unnecessarily once negligence occurs. Therefore, people design an infusion alarm to solve the problem of infusion monitoring. Currently, there are three main types of infusion alarm methods: photoelectric method, contact method, and gravitational method. Wherein, the gravity method is to alarm by the weight change of the liquid medicine during the transfusion process.

Patent document [ CN201520714880.9] discloses a gravity type infusion alarm, including the shell, the inside of shell is provided with the spring, and the upper end and the shell of spring are connected, and the probe is installed to the lower extreme of spring, the inside of shell still installs first power, has connected gradually first diode, first buzzer and second diode on the positive pole of first power, is connected with specification adjusting device on the negative pole of first power, still installs first external socket on the shell, is provided with the slide of installation specification adjusting device on the shell, and the mark has the specification scale mark on the shell of this slide department, and the specification scale mark is used for confirming the position that specification adjusting device located when using the transfusion bottle of different specifications.

Hang infusion bottle on this gravity type infusion alarm if the appearance rocks under the exogenic action, the rocking of infusion bottle drives the spring and makes a round trip to stretch the shrink, and the probe is touched with the metal contact mistake easily this moment to send false alarm, so this kind of infusion alarm need select the less spring of elasticity, and the length change volume of spring will be obvious, guarantees to have comparatively obvious spacing distance between probe and the metal contact, thereby avoids rocking the condition that appears false alarm because of the infusion bottle. Although the infusion alarm can set alarm positions for infusion bottles of different specifications, the alarm is suitable for the situation of alarming after liquid medicine is suspended due to the fact that the probe and the metal contact piece need to have a relatively obvious spacing distance, and is not suitable for the situation of partial infusion, for example, a peritoneal dialysis patient in nephrology makes peritoneal dialysis, when the peritoneal dialysis is just started, peritoneal dialysis liquid entering the abdomen is only 1/3 or 1/2 or 2/3, and the whole suspension is not needed. If the gravity type transfusion alarm is used for realizing partial transfusion alarm, the position of the metal contact piece needs to be adjusted, the distance between the probe and the metal contact piece is greatly shortened, and the problem of false alarm is easy to occur.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above problem, provide an infusion alarm suitable for some infusion alarm, infusion alarm position are adjustable, simple structure and with low costs.

In order to achieve the above purpose, the utility model adopts the following technical proposal: the infusion alarm triggered to alarm by gravity comprises a shell, wherein a spring is arranged in the shell and connected with a hook, and an alarm device, an alarm position adjusting device and a power supply are further arranged on the shell.

In the infusion alarm triggered by gravity, the space between the first contact piece and the second contact piece is a separation space, a return spring is arranged between the second contact piece and the alarm position adjusting device, and the return spring has downward pretightening force on the second contact piece.

In the infusion alarm triggered by gravity, the first contact piece and the second contact piece are respectively and fixedly connected with the alarm position adjusting device.

In the infusion alarm triggered by gravity, the first contact piece is fixedly connected with the alarm position adjusting device, and the second contact piece is hinged with the alarm position adjusting device.

In the infusion alarm triggered by gravity, the first contact piece is fixedly connected with the alarm position adjusting device, and the second contact piece is longitudinally connected with the alarm position adjusting device in a sliding manner.

In foretell utilize gravity to trigger infusion alarm of warning, alarm position adjusting device includes scale wheel, contact frame and fixed knot to construct, and the scale wheel rolls with the casing and is connected, has seted up vertical window on the casing, and the scale wheel part stretches out vertical window, contact frame and scale wheel fixed connection, first contact, second contact all set up on the contact frame.

In the infusion alarm triggered by gravity, a guide cavity is arranged in the shell, a guide post is arranged in the guide cavity, one end of the guide post is connected with the spring, and the other end of the guide post is connected with the hook.

In the infusion alarm triggered by gravity, the pushing piece is a push rod, and the push rod is fixed on the guide post.

In the infusion alarm triggered by gravity, the pushing pieces are a plurality of push rods, the push rods are circumferentially distributed on the guide post from high to low, the guide post is provided with indicating marks corresponding to the push rods one by one, the shell is provided with a transverse window, the guide post is axially fixed and circumferentially rotatably connected with the spring, and the guide post is fixedly connected with the hook.

In the infusion alarm triggered by gravity, the alarm device comprises an alarm lamp and a buzzer.

Compared with the prior art, the infusion alarm device triggering alarm by using gravity has the advantages that:

the first contact piece, the second contact piece and the pushing piece are matched, the relative positions of the first contact piece and the second contact piece are kept basically stable, the relative positions of the first contact piece and the second contact piece are different from the relative positions of the traditional contact piece and the probe which are changed all the time, the distance between the switch assembly and the pushing piece does not need to be set to be very large, and the infusion alarm device can adapt to partial infusion, namely adjust the infusion alarm position in a small range.

And a reset spring is arranged between the second contact piece and the alarm position adjusting device, so that even if the infusion bottle shakes under the action of external force, the spring stretches and contracts back and forth, the problem that the first contact piece and the second contact piece are touched by mistake is not easy to occur, and therefore a false alarm is avoided.

The infusion alarm position is adjusted substantially through the guide post, the infusion alarm position is adjusted accurately in a small range through the alarm position adjusting device, the infusion alarm position and the alarm position are combined with each other, the adjusting efficiency and the adjusting precision are improved, the operation is simple, the use is convenient, the overall structure is simple, the cost is low, and the large-scale production and popularization are facilitated.

Drawings

Fig. 1 is a perspective view of an infusion alarm device according to embodiment 1 of the present invention.

Fig. 2 is a side view of fig. 1 provided by the present invention.

Fig. 3 is a cross-sectional view taken along line a-a of fig. 2 according to the present invention.

Fig. 4 is the internal structure schematic diagram after the utility model provides a demolish casing.

Fig. 5 is a schematic view of the internal structure after the continuous dismantling provided by the present invention.

Fig. 6 is a partial enlarged view of fig. 5-a provided by the present invention.

Fig. 7 is a perspective view of the alarm position adjusting device provided by the present invention.

Fig. 8 is a side view of fig. 7 as provided by the present invention.

Fig. 9 is a perspective view of the alarm position adjustment device according to embodiment 2 of the present invention.

Fig. 10 is a side view of fig. 9 provided by the present invention.

Fig. 11 is a perspective view of an alarm position adjustment device according to embodiment 3 of the present invention.

Fig. 12 is a side view of fig. 11 as provided by the present invention.

Fig. 13 is a transverse cross-sectional view of the contact blade carrier of the present invention in an unsecured state.

Fig. 14 is a transverse cross-sectional view of the contact blade carrier of the present invention in a secured state.

Fig. 15 is a partial enlarged view of the contact blade holder according to the present invention in an unfixed state.

Fig. 16 is a partially enlarged view of the contact blade holder of the present invention in a fixed state.

Fig. 17 is a perspective view of an infusion alarm device according to embodiment 4 of the present invention.

Fig. 18 is a cross-sectional view of fig. 14 as provided by the present invention.

Fig. 19 is a perspective view of a guide post according to example 4 of the present invention.

Fig. 20 is a side view of fig. 15 as provided by the present invention.

Fig. 21 is a cross-sectional view taken along line B-B of fig. 16 according to the present invention.

In the figure, a shell 1, a spring 2, a hook 3, an alarm device 4, an alarm position adjusting device 5, a power supply 6, a first contact 7, a second contact 8, a pushing part 9, a separation space 10, a return spring 11, a scale wheel 12, a contact rack 13, a longitudinal window 14, a guide cavity 15, a guide post 16, a push rod 17, an indication mark 18, a transverse window 19, an alarm lamp 20, a buzzer 21, an upper hook 22, an inner groove 23, a disc 24, a tooth surface 25, a first vertical rod 26, a second vertical rod 27, a first cross rod 28, a second cross rod 29, a third cross rod 30, a wheel body 31, a connecting shaft 32, a roller 33, a longitudinal groove 34, a limiting post 35, a positioning block 36, a sliding block 37, a groove 38, a first space 39, a second space 40 and a second transverse plate 41.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example 1

As shown in fig. 1-8 and 13-16, the infusion alarm triggered by gravity comprises a shell 1, a spring 2, a guide post 16 and a hook 3 are longitudinally and sequentially arranged in the shell 1, a guide cavity 15 matched with the guide post 16 is arranged in the shell 1, one end of the guide post 16 is connected with the spring 2, the other end of the guide post 16 is connected with the hook 3, the lower end of the shell 1 is open, a pushing piece 9 is fixedly arranged on the guide post 16, and the pushing piece 9 is a push rod 17. The lower end of the hook 3 extends out of the shell 1 through the opening, the infusion bottle is hung on the hook 3, and the upper end of the shell 1 is provided with an upper hook 22.

In the process of infusion, the liquid in the infusion bottle is continuously reduced, the whole weight of the infusion bottle is continuously reduced, the guide post 16 moves upwards under the tension of the spring 2 to drive the hook 3 to move upwards, and then the position of the infusion bottle is continuously driven to move upwards. The guide post 16 slides longitudinally along the guide cavity 15, limits the extension direction of the spring 2 and the longitudinal moving direction of the hook 3, namely limits the upward moving direction of the infusion bottle, and avoids the left and right swinging of the infusion bottle.

The shell 1 is also provided with an alarm device 4, a switch assembly and a power supply 6. The alarm device 4 is an alarm lamp 20 and a buzzer 21. By utilizing the characteristic that the integral gravity of the infusion bottle is continuously reduced in the infusion process, the guide post 16 is continuously moved upwards under the tension of the spring 2 to drive the pushing piece 9 to be continuously moved upwards, the distance between the pushing piece 9 and the switch assembly is continuously reduced, and the on-off is controlled by triggering the switch assembly, so that the alarm device 4 is controlled to give an alarm. The guide post 16 has a guiding function, so that the pushing piece 9 can be accurately contacted with the switch assembly, and the condition that the pushing piece 9 is pushed to be empty is avoided, wherein the pushing to be empty refers to the condition that the pushing piece 9 directly passes over the switch assembly and is not contacted with the switch assembly.

The switch assembly is connected with the alarm position adjusting device 5. The position of the switch component is adjusted through the alarm position adjusting device 5, the alarm of different infusion amounts is adapted, if partial infusion is needed, an alarm is given when the infusion amount is a, the switch component is adjusted to the corresponding a1 position, and the alarm is given when the infusion amount is b, the switch component is adjusted to the corresponding b1 position.

More specifically, the switch assembly includes a first contact 7 and a second contact 8, both the first contact 7 and the second contact 8 are disposed on the alarm position adjusting device 5, and the alarm device 4 and the power source 6 are electrically connected when the urging member 9 urges the first contact 7 and the second contact 8 into contact. In the initial state, the first contact piece 7 and the second contact piece 8 are separated to form a separation space 10, the whole circuit is in an open circuit state, the alarm device 4 does not give an alarm, the whole weight of the infusion bottle is continuously reduced along with the progress of infusion, the guide post 16 moves upwards to drive the pushing piece 9 to move upwards until the pushing piece 9 is contacted with the second contact piece 8, then the first contact piece 7 is pushed to be contacted with the second contact piece 8, the whole circuit is communicated, and the alarm device 4 gives an alarm. In the whole process, even if the infusion bottle shakes under the exogenic action, the drive spring 2 stretches and contracts back and forth, the problem that the first contact 7 and the second contact 8 touch by mistake is not easy to occur, so that a false alarm is avoided being sent out, the distance between the switch assembly and the pushing piece 9 does not need to be set to be very large, the switch assembly can adapt to partial infusion, and the small-range adjustment infusion alarm position is realized.

Further, a return spring 11 is arranged between the second contact piece 8 and the alarm position adjusting device 5, and the return spring 11 has downward pretightening force on the second contact piece 8. Even if the infusion bottle shakes under the action of external force, the spring 2 is driven to stretch and contract back and forth, the pushing part 9 is in contact with the second contact piece 8, false alarm is not easy to send out, and the pushing part 9 pushes the first contact piece 7 and the second contact piece 8 to continuously overcome the pre-tightening force of the reset spring 11. Even if the pushing member 9 pushes the first contact piece 7 and the second contact piece 8 to be in contact, the pushing member 9 is in a state of pushing back and forth longitudinally, and cannot continuously push the first contact piece 7 and the second contact piece 8 to be in contact upwards, so that a false alarm is further prevented from being issued.

More specifically, the alarm position adjusting device 5 comprises a scale wheel 12, a contact piece frame 13 and a fixing structure, wherein the scale wheel 12 is in rolling connection with the shell 1, a longitudinal window 14 is formed in the shell 1, part of the scale wheel 12 extends to the longitudinal window 14, and the contact piece frame 13 is fixedly connected with the scale wheel 12. The first contact piece 7 is fixedly arranged on the contact piece frame 13, and the second contact piece 8 is fixedly connected with the contact piece frame 13. The housing 1 is provided with a scale on the side of the longitudinal window 14.

More specifically, the dial wheel 12 includes a wheel body 31, a connecting shaft 32, and a roller 33, wherein the wheel body 31 is fixedly connected to an end of the connecting shaft 32, and the roller 33 is rotatably connected to an end of the connecting shaft 32. The housing 1 is provided with a longitudinal groove which is matched with the roller 33. The contact holder 13 includes a first vertical bar 26, a second vertical bar 27, a first cross bar 28, a second cross bar 29, and a third cross bar 30. First montant 26 is fixed in one side of scale wheel 12, second montant 27 is fixed in the opposite side of scale wheel 12, the one end and the first montant 26 fixed connection of first horizontal pole 28, the other end and the second montant 27 fixed connection of first horizontal pole 28, the one end and the first montant 26 fixed connection of second horizontal pole 29, the other end and the second montant 27 fixed connection of second horizontal pole 29, the one end and the first montant 26 fixed connection of third horizontal pole 30, the other end and the second montant 27 fixed connection of third horizontal pole 30, first horizontal pole 28, second horizontal pole 29, third horizontal pole 30 from the top down distributes in proper order.

The fixing structure is a positioning block 36, the positioning block 36 is connected with the housing 1 in a sliding manner, the positioning block 36 is located on the longitudinal window 14, a sliding block 37 is arranged on the positioning block 36, and a groove 38 matched with the sliding block 37 is formed in the side wall of the longitudinal window 14. The positioning block 36 is used for fixing the alarm position adjusting device 5. Be equipped with a plurality of spacing posts 35 on the diapire of casing 1, form first space and second space between two adjacent spacing posts 35, first montant 26 is located first space, and second montant 27 is located the second space.

The distance between the first vertical rod 26 and the inner side limiting column 35 is a first distance 39, and the distance between the first vertical rod 26 and the outer side limiting column 35 is a second distance 40. When the contact rack 13 is in an unfixed state, the first distance 39 and the second distance 40 are both larger, and at this time, the second distance 40 is smaller than the length of the positioning block 36; when the contact holder 13 is in the fixed state, the first distance 39 becomes smaller, and the second distance 40 becomes larger, and at this time, the second distance 40 is slightly larger than the length of the positioning block 36. The positional change between the second vertical bar 27 and the adjacent stopper post 35 is the same as that of the first vertical bar 26.

During the use, with locating piece 36 remove first montant 26 and second montant 27 place, inwards press scale wheel 12 with the hand, thereby drive first montant 26, second montant 27 moves in, first montant 26, second montant 27 moves to spacing post 35 direction promptly, second interval 40 grow, continue locating piece 36 to move down, make locating piece 36 support and lean on contact rack 13, first montant 26 is as a part of contact rack 13, support and lean on spacing post 35 under the pressure of locating piece 36, the frictional force between first montant 26 and the spacing post 35 is great, thereby realize the fixed of contact rack 13, realize the fixed of the longitudinal position of first contact 7 and second contact 8 then. When the longitudinal positions of the first contact piece 7 and the second contact piece 8 need to be adjusted, the scale wheel 12 is pressed inwards, the positioning block 36 is moved upwards, the positioning block 36 is separated from the contact piece frame 13, the first distance 39 is increased, the contact piece frame 13 can move longitudinally again, and when the position of the switch assembly needs to be adjusted, the scale wheel 12 is pushed by hand to move longitudinally in contrast to a scale gauge, so that the contact piece frame 13 is driven, then the first contact piece 7 and the second contact piece 8 are driven to move simultaneously, and the longitudinal positions of the first contact piece 7 and the second contact piece 8 are adjusted again.

Example 2

As shown in fig. 9 to 10, this embodiment is substantially the same as embodiment 1 except that the second contact 8 is hinged to the contact holder 13. The push rod 17 pushes the second contact 8 to deflect, the second contact 8 is contacted with the first contact 7 after deflecting, the circuit is conducted, and the alarm device 4 gives an alarm.

Example 3

As shown in fig. 11 to 12, the present embodiment is substantially the same as embodiment 1, except that the contact frame 13 includes a first vertical rod 26, a second vertical rod 27, a first horizontal rod 28, a second horizontal rod 41, and a third horizontal rod 30. The first vertical rod 26 is fixed on one side of the scale wheel 12, the second vertical rod 27 is fixed on the other side of the scale wheel 12, one end of the first cross rod 28 is fixedly connected with the first vertical rod 26, the other end of the first cross rod 28 is fixedly connected with the second vertical rod 27, one side of the second cross rod 41 is fixedly connected with the first vertical rod 26, the other side of the second cross rod 41 is fixedly connected with the second vertical rod 27, one end of the third cross rod 30 is fixedly connected with the first vertical rod 26, the other end of the third cross rod 30 is fixedly connected with the second vertical rod 27,

the second contact 8 is connected with the contact frame 13 in a longitudinal sliding mode. The push rod 17 pushes the second contact piece 8 to move upwards, the second contact piece 8 moves longitudinally along the groove on the second transverse plate 41, the first contact piece 7 is in contact with the second contact piece 8, the circuit is conducted, and the alarm device 4 gives an alarm.

Example 4

As shown in fig. 17 to 21, this embodiment is substantially the same as embodiment 1 except that: the pushing pieces 9 are a plurality of push rods 17, the lengths of the push rods 17 are different, the push rods 17 are circumferentially distributed on the guide columns 16 from high to low, and the guide columns 16 are provided with indicating marks 18 which are in one-to-one correspondence with the push rods 17. The guide post 16 is connected with the spring 2 in an axially fixed and circumferential rotating manner, the guide post 16 is fixedly connected with the hook 3, an inner groove 23 is formed in the guide post 16, and a disc 24 matched with the inner groove 23 is fixedly connected to the lower end of the spring 2. The housing 1 is provided with a transverse window 19, the guide post 16 is provided with a tooth surface 23, and the tooth surface 23 is exposed through the transverse window 19.

The indication marks 18 are 1/3, 1/2, 2/3 and the like, wherein the indication mark 18 is 1/3, the input human body infusion amount is 1/3 of the total infusion amount, the indication mark 18 is 1/2, the input human body infusion amount is 1/2 of the total infusion amount, and the indication mark 18 is 2/3, the input human body infusion amount is 2/3 of the total infusion amount.

Because different indication marks 18 correspond to different push rods 17, the distances between different push rods 17 and the switch component are unequal, and the different infusion quantities correspond. When the infusion alarm is used, the guide post 16 is shifted to the required indicator 18 by pressing the tooth surface 25 with a hand, and if the indicator 18 is shifted to 1/3, the alarm device 4 gives an alarm when the infusion volume of the input human body reaches 1/3 of the total infusion volume. Then hang the infusion bottle on couple 3, at this moment, spring 3 has upward pulling force to disc 24, and the infusion bottle has decurrent power to guide post 16, and the up end of disc 24 contacts with inner wall of inner grove 23, and the friction force between the two is great, and disc 24 and inner grove 23 are difficult to take place circumferential direction and rotate. When the infusion is finished, the infusion bottle is taken down, at the moment, the force applied to the guide post 16 is small, the pulling force of the spring 3 on the disc 24 is small, the friction force between the upper end face of the disc 24 and the inner wall of the inner groove 23 is small, and the guide post 16 can be stirred again, namely, the infusion amount can be reset. The infusion alarm position adjusting device is simple to operate and convenient to use, the infusion alarm position can be adjusted greatly, the alarm position adjusting device 5 is used for adjusting the infusion alarm position in a small range accurately, the infusion alarm position adjusting device and the alarm position adjusting device are combined with each other, and the adjusting efficiency and the adjusting precision are improved.

The specific embodiments described herein are merely illustrative of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the scope of the invention or exceeding the scope of the claims.

Although terms are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being contrary to the present invention in any manner whatsoever.

Claims (10)

1. The infusion alarm is characterized by further comprising a first contact piece (7), a second contact piece (8) and a pushing piece (9), wherein the first contact piece (7) and the second contact piece (8) are arranged on the alarm position adjusting device (5), and when the pushing piece (9) pushes the first contact piece (7) and the second contact piece (8) to be in contact, the alarm device (4) and the power supply (6) are electrically connected.

2. The infusion alarm triggered by gravity according to claim 1, wherein the space between the first contact piece (7) and the second contact piece (8) is a separation space (10), a return spring (11) is arranged between the second contact piece (8) and the alarm position adjusting device (5), and the return spring (11) has a downward pre-tightening force on the second contact piece (8).

3. The infusion alarm triggered by gravity according to claim 2, wherein the first contact piece (7) and the second contact piece (8) are respectively and fixedly connected with the alarm position adjusting device (5).

4. The infusion alarm triggered by gravity according to claim 2, characterized in that the first contact (7) is fixedly connected with the alarm position adjusting device (5), and the second contact (8) is hinged with the alarm position adjusting device (5).

5. The infusion alarm triggered by gravity according to claim 2, characterized in that the first contact (7) is fixedly connected with the alarm position adjusting device (5), and the second contact (8) is longitudinally slidably connected with the alarm position adjusting device (5).

6. The infusion alarm triggering alarm by utilizing gravity as claimed in claim 1, 2, 3, 4 or 5, wherein the alarm position adjusting device (5) comprises a scale wheel (12), a contact plate frame (13) and a fixed structure, the scale wheel (12) is in rolling connection with the shell (1), a longitudinal window (14) is formed in the shell (1), part of the scale wheel (12) extends out of the longitudinal window (14), the contact plate frame (13) is fixedly connected with the scale wheel (12), and the first contact plate (7) and the second contact plate (8) are both arranged on the contact plate frame (13).

7. The infusion alarm triggered by gravity according to claim 1, 2, 3, 4 or 5, characterized in that a guide cavity (15) is arranged in the housing (1), a guide post (16) is arranged in the guide cavity (15), one end of the guide post (16) is connected with the spring (2), and the other end of the guide post (16) is connected with the hook (3).

8. The infusion alarm with gravity-triggered alarm according to claim 7, characterized in that the pushing member (9) is a push rod (17), and the push rod (17) is fixed on the guide post (16).

9. The infusion alarm device using gravity to trigger the alarm according to claim 7, wherein the pushing member (9) is a plurality of pushing rods (17), the pushing rods (17) are circumferentially distributed on the guide post (16) from high to low, the guide post (16) is provided with indicating marks (18) corresponding to the pushing rods (17) one by one, the housing (1) is provided with a transverse window (19), the guide post (16) is axially fixed and circumferentially rotatably connected with the spring (2), and the guide post (16) is fixedly connected with the hook (3).

10. The use of a gravity-triggered alarm infusion alarm according to claim 1 or 2 or 3 or 4 or 5, characterised in that the alarm device (4) comprises an alarm lamp (20) and a buzzer (21).

Images