CN111729152A

CN111729152A - Reliable infusion alarm device

Info

Publication number: CN111729152A
Application number: CN202010604374.XA
Authority: CN
Inventors: 俸桃; 李成
Original assignee: Beng Tao
Current assignee: Beng Tao
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2020-10-02
Anticipated expiration: 2040-06-29
Also published as: CN111729152B

Abstract

The invention relates to the technical field of medical equipment, and discloses a reliable transfusion alarm device, which comprises: the device comprises a shell, a first photoelectric sensor, a second photoelectric sensor, a locking piece, a stop piece, a processor, an alarm and a power supply; the invention can monitor the liquid flowing condition in the infusion tube in multiple angles, send out real-time alarm, improve the error rate, and the whole device is simple, efficient, convenient and easy to install.

Description

Reliable infusion alarm device

Technical Field

The invention relates to the technical field of medical equipment, in particular to a reliable infusion alarm device.

Background

The intravenous infusion therapy is the most common and effective therapy means, while the infusion process is a long-lasting process, and patients or accompanying personnel are required to check the infusion progress all the time when in infusion so as to prevent the occurrence of situations such as blood return or air entering into blood vessels caused by the completion of liquid dripping and great damage to the blood vessels. Particularly, in winter or at night, the nursing work is particularly remarkable, and the rest of patients and accompanying personnel is also influenced, so that the disease treatment is negatively influenced. At present, some automatic alarming infusion sets are not popularized due to high cost, complex structure, unreliable technology, large power consumption, inconvenient use and the like, and even some infusion sets can damage an infusion tube or damage a patient blood vessel or pollute liquid medicine and the like.

For example, chinese patent No. 202010004463.0 discloses a highly reliable infusion alarm device and alarm method, in which the entire structure is set outside the infusion tube, and a liquid level sensor is used to detect whether the infusion is completed and lock the infusion tube. However, the whole device only has one detection mode for transfusion, and if the device fails, irreversible damage is directly caused, and medical accidents do not allow the occurrence of the irreversible damage.

For example, chinese patent application No. 202010031541.6 discloses an intelligent medical infusion detection device, which realizes uninterrupted and complete monitoring of an infusion tube by arranging a plurality of monitoring devices; however, the whole device is too complex in structure and troublesome to install, and infusion is necessary to be quickly installed as a convenient treatment means.

Disclosure of Invention

The invention aims to provide a reliable infusion alarm device which can monitor the liquid flowing condition in an infusion tube at multiple angles, send out real-time alarm and improve the error rate.

The invention is realized by the following steps: a reliable infusion alarm device comprising:

the device comprises a shell, wherein the shell is provided with an installation groove for installing a Murphy dropper and a transfusion tube; and arranged inside the housing

A first photosensor; the first photoelectric sensor is arranged in the mounting groove and positioned on two sides of the Murphy's dropper, and receives light emitted by the first photoelectric sensor through the reflection action of the plurality of reflectors;

a second photosensor; the second photoelectric sensor is arranged in the mounting groove and positioned at two sides of the infusion tube, the second photoelectric sensor comprises a light source emitter and a light source receiver which are mutually matched, and the light source emitter and the light source receiver are arranged in a staggered manner;

a locking member; the locking piece is used for extruding the infusion tube;

a stopper; the stop piece is used for controlling the formation of the locking piece;

a processor; the processor is used for receiving the first photoelectric sensor signal and the second photoelectric sensor signal and controlling the stop piece;

an alarm; the alarm receives the signal of the processor and gives an alarm;

a power source; the power supply is used for supplying electric energy.

Furthermore, the shell is also provided with a sliding groove, the sliding direction of the sliding groove is perpendicular to the infusion direction of the infusion tube, the locking piece comprises an extrusion rod, a first baffle and a second baffle, the first baffle is arranged in the middle of the extrusion rod, the second baffle is arranged at the end part of the extrusion rod, a spring is arranged between the second baffle and the sliding groove, and the extrusion rod slides along the sliding groove and extrudes the infusion tube;

the stop piece comprises a first stop piece and a second stop piece, the first stop piece is arranged in the groove wall of the sliding groove and used for limiting the stroke of the first baffle, and the second stop piece is arranged in the groove wall of the sliding groove and used for limiting the stroke of the second baffle.

Furthermore, the sliding groove is communicated with the outer surface of the shell through a limiting hole, a first stirring block is arranged on the first baffle and extends out of the shell through the limiting hole, a second stirring block is arranged on the second baffle and extends out of the shell through the limiting hole.

Furthermore, the limiting hole is also provided with scale marks along the movement direction of the first toggle block.

Further, the first stopper includes: the electromagnet and the wedge-shaped blocking portion are arranged at two ends of the supporting rod, the wedge-shaped blocking portion can slide along the supporting rod, the reset spring is arranged between the wedge-shaped blocking portion and the electromagnet, and the wedge-shaped blocking portion is attracted by the electromagnet.

Further, still include the display, the display sets up in the surface of casing, and the display is connected with the treater.

Furthermore, the number of the reflectors is 4, and the reflectors and the first photoelectric sensors are distributed on the wall of the mounting groove in a pentagonal mode.

Further, still include signal transceiver, signal transceiver is connected with the treater, and signal transceiver is connected with terminal equipment through remote communication, and terminal equipment includes: cell phones, computers or wearable devices.

The invention has the beneficial effects that: the invention provides a reliable transfusion alarm device, which comprises:

1. realize carrying out incessant monitoring to the liquid in the transfer line through first photoelectric sensor and second photoelectric sensor, improved the fault-tolerant rate greatly, avoided the emergence of accident completely, improve patient safety in utilization, do benefit to patient's self simultaneously and use alone at home.

2. Original paper such as with first photoelectric sensor, second photoelectric sensor, locking piece makes up inside a casing, through mounting groove direct mount on the transfer line, convenient high efficiency does benefit to one person's operation.

3. First photoelectric sensor further increases the walking path of light in the Mofei's burette through a plurality of speculum reflection, is convenient for detect the liquid that drips, and through the treater count simultaneously, the speed that real-time reaction drips guarantees not too high or low excessively, need not medical personnel mediate, patient self alright in order to operate.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural diagram of a reliable infusion alarm device provided by the present invention;

FIG. 2 is a top view of a first sensor mounting structure of the reliable infusion alarm device provided by the present invention;

FIG. 3 is a schematic view of a second sensor mounting structure in the reliable infusion alarm device provided by the present invention;

FIG. 4 is a schematic diagram of the circuit connection of the components in the reliable infusion alarm device provided by the present invention;

FIG. 5 is a schematic structural diagram of a locking member of the reliable infusion alarm device provided by the present invention;

FIG. 6 is a schematic view of a stop member of the reliable infusion alarm device according to the present invention;

in the figure: 1-an infusion tube, 2-a Murphy dropper, 3-liquid medicine, 10-a shell, 20-a first photoelectric sensor, 22-a reflector, 30-a second photoelectric sensor, 31-a light source emitter, 32-a light source receiver, 40-a locking piece, 41-a squeezing rod, 42-a first baffle, 421-a first toggle block, 43-a second baffle, 431-a second toggle block, 50-a retainer and 51-a wedge-shaped blocking part,

52-electromagnet, 53-supporting rod, 60-alarm, 70-processor, 80-spring and 90-power supply.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements that are referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In accordance with one aspect of the present application, a reliable infusion alarm device is provided.

FIG. 1 illustrates a reliable infusion alarm device according to some embodiments of the present application.

A reliable infusion alarm device as shown in fig. 1-3, comprising: the device comprises a shell 10, a first photoelectric sensor 20, a second photoelectric sensor 30, a locking piece 40, a stop piece 50, a processor 70, an alarm 60 and a power supply 90, wherein the first photoelectric sensor 20, the second photoelectric sensor 30, the locking piece 40, the stop piece 50, the processor 70, the alarm 60 and the power supply 90 are arranged inside the shell 10; reach the all-round monitoring to the infusion jointly through first photoelectric sensor 20, the cooperation of second photoelectric sensor 30, improve its fault-tolerant rate, make it the possibility of accident significantly reduce, concentrate on above-mentioned spare part in a casing 10 in addition and improved the device's portability and operability greatly, when the patient is alone when the infusion at home, use that also can be fine.

The shell 10 is provided with an installation groove for installing the Murphy dropper 2 and the infusion tube 1; the Murphy dropper is hung outside the Murphy dropper and the infusion tube 1 through the mounting groove, and the Murphy dropper 2 and the infusion tube 1 are different in size, so that the Murphy dropper is fixed and placed to slide along the infusion tube 1.

The first photoelectric sensor 20 is arranged in the mounting groove and positioned at two sides of the Murphy's dropper 2, and the first photoelectric sensor 20 receives light emitted by the first photoelectric sensor through the reflection action of the plurality of reflectors 22; specifically, in some embodiments, the number of the reflectors 22 is 4, and the reflectors 22 and the first photoelectric sensor 20 are distributed on the wall of the mounting groove in a pentagonal manner, as shown in fig. 2, the first photoelectric sensor 20 receives the emitted light after passing through the 4 reflectors 22, so as to detect whether an object passes through the light in the advancing process of the light, when the liquid medicine 3 drips through the light, the propagation of the light is affected, which indicates that the liquid flows in the infusion tube 1, at this time, the alarm 60 is not triggered, and simultaneously, data is transmitted to the processor 70, the processor 70 calculates the dripping liquid medicine 3 in a unit time, calculates the rate, and determines whether the infusion requirement is met, the number of the general physiological expendable infusion is 60 to 80 drops per minute, and when the requirement is not met or exceeded, the adjustment device adjusts the rate. Here, the first photoelectric sensor 20 is an infrared reflection type photoelectric sensor, and the processor 70 is a 51-chip microcomputer with a nixie tube.

The second photoelectric sensor 30 is arranged in the mounting groove and located on two sides of the infusion tube 1, the second photoelectric sensor 30 comprises a light source emitter 31 and a light source receiver 32 which are mutually matched, the light source emitter 31 and the light source receiver 32 are arranged in a staggered manner, and the second photoelectric sensor 30 is a common photoelectric sensor which is generally available on the market, as shown in fig. 3, when the liquid level is above the light source emitter 31 and the light source receiver 32, that is, the liquid in the infusion tube 1 is not delivered, the transmission medium of the light is consistent at the moment, and the refraction phenomenon cannot occur; when the liquid is fed halfway, that is, there are two media between the light source emitter 31 and the light source contactor, air and the liquid medicine 3, and the transmission media of the light are not consistent, so that the refraction angle appears, and a signal different from the former one is generated, the second photoelectric sensor 30 transmits data to the processor 70, indicating that the liquid medicine 3 is fed completely, and the alarm 60 is triggered to give an alarm.

The first photoelectric sensor 20 and the second photoelectric sensor 30 are used together to determine whether the liquid medicine 3 passes through the infusion tube 1, so that the reliability of the device is improved; in addition, in the present application, the processor 70 receives the two photosensors and then directly or indirectly controls the locking member 40 and the stopper 50 to lock the infusion tube 1.

Firstly, the locking member 40 is used for extruding the infusion tube 1, and the stopping member 50 is used for controlling the formation of the locking member 40; specifically, in some embodiments, the housing 10 further has a sliding groove, the sliding direction of the sliding groove is perpendicular to the infusion direction of the infusion tube 1, the locking member 40 includes a pressing rod 41, a first baffle 42 and a second baffle 43, the first baffle 42 is disposed in the middle of the pressing rod 41, the second baffle 43 is disposed at the end of the pressing rod 41, a spring 80 is disposed between the second baffle 43 and the sliding groove, and the pressing rod 41 slides along the sliding groove and presses the infusion tube 1.

The stoppers 50 include a first stopper 50 and a second stopper 50, the first stopper 50 is disposed in a groove wall of the sliding groove and is used for limiting the stroke of the first shutter 42, and the second stopper 50 is disposed in a groove wall of the sliding groove and is used for limiting the stroke of the second shutter 43, specifically, in some embodiments, the first stopper 50 includes: the electromagnet 52 and the wedge-shaped blocking portion 51 are arranged at two ends of the supporting rod 53, the wedge-shaped blocking portion 51 can slide along the supporting rod 53, the return spring 80 is arranged between the wedge-shaped blocking portion 51 and the electromagnet 52, and the wedge-shaped blocking portion 51 is attracted by the electromagnet 52; it should be noted that in the present embodiment, the first stopper 50 and the second stopper 50 have the same structure; when the electromagnet 52 is electrified, the wedge-shaped blocking part 51 is attracted to not block the first blocking plate 42 and the second blocking plate 43, at the moment, the extrusion rod 41 is pushed out by the spring 80 to lock the infusion tube 1, so that the infusion tube 1 is isolated from being communicated with the outside atmosphere, and the safety of a patient is ensured.

When the processor 70 receives the data from the first and

second photosensors

20, 30 and then controls the electromagnetic devices in the first and second stoppers 50, to control the movement of the squeezing device, it should be noted that when the first photosensor 20 near the morfan's dropper 2 detects no liquid passing, the first stopper 50 is opened, as shown in fig. 1, the distance between the first and

second shutters

42, 43 is smaller than the distance between the first and second stoppers 50, and when the first stopper 50 is released, the first shutter 42 starts to move under the action of the spring 80, the squeezing rod 41 squeezes the infusion tube 1, and the second shutter 43 is restricted by the second stopper 50, so the infusion tube 1 is not completely locked, the above steps reduce the infusion efficiency of the infusion tube 1, and the infusion liquid 3 remaining in the morfan's dropper 2 and a part of the infusion tube 1 is delivered for a long time, the medical staff is ensured to process the infusion tube 1 with reaction time when receiving the alarm 60, and the liquid medicine 3 in the infusion tube 1 is further utilized, so that the liquid medicine 3 is not wasted; when the second photoelectric sensor 30 detects a data change, the processor 70 controls the second stop member 50 to completely release the squeezing rod 41, so as to completely lock the infusion tube 1, thereby ensuring that the infusion tube 1 is isolated from the outside atmosphere and protecting the safety of a patient.

In some embodiments, in order to facilitate quick recovery of the initial state of the extrusion rod 41, the sliding groove is communicated with the outer surface of the housing 10 through a limiting hole, the first baffle plate 42 is provided with a first toggle block 421, the first toggle block 421 extends out of the housing 10 through the limiting hole, the second baffle plate 43 is provided with a toggle block, the first toggle block 421 extends out of the housing 10 through the limiting hole, the first toggle block 421 and the second toggle block slide in the limiting hole, the first baffle plate 42 is blocked by the first stopper 50 by pushing the first toggle block and the second toggle block, and the second baffle plate 43 is blocked by the second stopper 50, so that the extrusion rod 41 is recovered to the initial state.

In some embodiments, in order to facilitate a user to observe a movement track (whether the squeezing rod 41 is squeezed in place) of the squeezing rod 41, a scale mark is further provided on the limiting hole along the movement direction of the first toggle block 421, and the movement track of the squeezing rod 41 is compared with a scale of the scale mark.

In some embodiments, in order to better show the rate of 3 drops of the medical fluid, a display is also provided on the surface of the housing and is connected to the processor 70 for displaying the rate.

In some embodiments, for better remote monitoring, the present application further comprises a signal transceiver, which is connected to the processor 70 and is connected to the terminal device through a telecommunication connection, wherein the terminal device comprises: a mobile phone, computer or wearable device; whether the liquid medicine 3 is completely infused is displayed through the terminal, and the time required for the completion of the infusion can be calculated through the infusion rate and the volume of the solution in the medicine containing bottle, so that statistics and overall arrangement of medical personnel are facilitated.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A reliable infusion alarm device, characterized by comprising:

the device comprises a shell, wherein the shell is provided with an installation groove for installing a Murphy dropper and an infusion tube; and arranged inside the housing

a locking member; the locking piece is used for extruding the infusion tube;

an alarm; the alarm receives the signal of the processor and gives an alarm;

a power source; the power supply is used for supplying electric energy.

2. The reliable infusion alarm device according to claim 1, wherein the housing further comprises a sliding groove, the sliding direction of the sliding groove is perpendicular to the infusion direction of the infusion tube, the locking member comprises a squeezing rod, a first baffle and a second baffle, the first baffle is arranged in the middle of the squeezing rod, the second baffle is arranged at the end of the squeezing rod, a spring is arranged between the second baffle and the sliding groove, and the squeezing rod slides along the sliding groove and squeezes the infusion tube;

3. The reliable infusion alarm device of claim 2, wherein the sliding groove is in communication with an outer surface of the housing through a limiting hole, the first baffle is provided with a first toggle block, the first toggle block extends out of the interior of the housing through the limiting hole, the second baffle is provided with a second toggle block, and the second toggle block extends out of the interior of the housing through the limiting hole.

4. The reliable infusion alarm device of claim 3, wherein the limiting hole is further provided with scale marks along the moving direction of the first dial block.

5. The reliable infusion alarm device of claim 2, wherein said first stop comprises: the electromagnet and the wedge-shaped blocking portion are arranged at two ends of the supporting rod, the wedge-shaped blocking portion can slide along the supporting rod, the reset spring is arranged between the wedge-shaped blocking portion and the electromagnet, and the wedge-shaped blocking portion is attracted by the electromagnet.

6. The reliable infusion alarm device of claim 1, further comprising a display disposed on an exterior surface of the housing, the display coupled to the processor.

7. The reliable infusion alarm device of claim 1, wherein the number of said reflectors is 4, and said reflectors are divided into pentagonal sections with said first photosensor onto the walls of said mounting groove.

8. The reliable infusion alarm device of claim 1, further comprising a signal transceiver connected to the processor and connected to a terminal device via a telecommunications connection, the terminal device comprising: cell phones, computers or wearable devices.