CN111388803A - Infusion device with liquid quantity monitoring function and control method thereof - Google Patents

Infusion device with liquid quantity monitoring function and control method thereof Download PDF

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Publication number
CN111388803A
CN111388803A CN202010295235.3A CN202010295235A CN111388803A CN 111388803 A CN111388803 A CN 111388803A CN 202010295235 A CN202010295235 A CN 202010295235A CN 111388803 A CN111388803 A CN 111388803A
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Prior art keywords
infusion
alarm
amount
liquid
murphy
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CN202010295235.3A
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Chinese (zh)
Inventor
黄丽君
徐晶晶
麻莉
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Zhejiang Hospital
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Zhejiang Hospital
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Priority to CN202010295235.3A priority Critical patent/CN111388803A/en
Publication of CN111388803A publication Critical patent/CN111388803A/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
    • A61M5/16886—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body for measuring fluid flow rate, i.e. flowmeters
    • A61M5/1689—Drip counters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/18—General characteristics of the apparatus with alarm
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/33—Controlling, regulating or measuring
    • A61M2205/3306—Optical measuring means

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  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Fluid Mechanics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

The invention provides an infusion device with a liquid volume monitoring function and a control method thereof, and the infusion device comprises a Murphy's dropper arranged on an infusion tube and a shell, wherein the shell is provided with a battery, a display screen, an operation panel, a central processing unit, a photoelectric sensor and an alarm; the invention aims to provide an infusion device with a liquid quantity monitoring function and a control method thereof, which are used for clinically recording and displaying infusion quantity when the infusion quantity needs to be recorded or a liquid supplementing test is carried out on a patient, giving an alarm when the set infusion quantity is reached, and have the advantages of convenience in use, small volume and low manufacturing cost.

Description

Infusion device with liquid quantity monitoring function and control method thereof
Technical Field
The invention belongs to the field of medical instruments, and particularly relates to an infusion device with a liquid quantity monitoring function and a control method thereof.
Background
The clinical record of patient's infusion volume adopts manual record mostly, and every bottle liquid record this bottle of liquid volume is what, and this method can not embody real-time accurate income volume, and the manual record easily takes place the error, has to miss to remember not in time to discover the condition. At present, when the infusion amount needs to be recorded or a fluid infusion test is carried out on a patient, an infusion pump can also be adopted, but the infusion pump has high cost, larger equipment and low clinical utilization rate.
Summary of the invention
In view of the above, the present invention provides an infusion apparatus with a function of monitoring liquid amount and a control method thereof, which is used for recording and displaying the infusion amount clinically when the infusion amount needs to be recorded or a fluid infusion test is performed on a patient, and giving an alarm when the set infusion amount is reached, and has the advantages of convenient use, small volume and low manufacturing cost.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a transfusion device with liquid quantity monitoring function comprises a Murphy's dropper arranged on a transfusion tube and comprises a shell, wherein a battery, a display screen, an operation panel, a central processing unit 13, a photoelectric sensor and an alarm are arranged on the shell; the shell is arranged outside the Murphy's dropper, and a control panel is arranged on the shell; a photoelectric sensor for detecting the quantity of liquid drops passing through the Murphy's dropper is arranged on the Murphy's dropper; the alarm comprises a loudspeaker and an alarm circuit, and the central processing unit is connected with the battery, the display screen, the operation panel, the photoelectric sensor and the alarm.
Furthermore, the photoelectric sensor comprises a light emitting end and a light receiving end which are respectively and symmetrically arranged on the side wall of the Murphy's dropper.
Furthermore, the control panel comprises an alarm switch key, an infusion set switch key, a digit switch key and an adjusting numeric key.
Further, the display screen comprises a first display area used for displaying the current dripping amount and a second display area used for displaying the set alarming dripping amount.
Furthermore, a clamp is arranged at the upper part of the shell and is clamped at the upper interface part of the Murphy's dropper.
A control method of an infusion device with a liquid quantity monitoring function comprises the following steps:
step S1, detecting the number of drops of liquid in the Murphy' S dropper through a photoelectric sensor;
step S2, the central processing unit calculates the transfusion volume according to the number of drops, and the formula is as follows: the infusion amount (ml) = the number of drops X (1 ml/A); wherein A refers to the dropping liquid coefficient of the transfusion device, and the dropping liquid coefficient of the transfusion device which is commonly used clinically is as follows: 10 drops/ml, 15 drops/ml and 20 drops/ml;
and step S3, displaying the infusion amount on the display screen.
Further, the method also comprises the following steps:
step S4, a user inputs a set infusion amount through an adjusting numeric key arranged on a control panel, and a display screen displays the set infusion amount;
and S5, comparing the set infusion amount with the infusion amount by the central processing unit, and starting a loudspeaker to give an alarm when the infusion amount is equal to the set infusion amount.
Further, in step S2, the infusion set dropping coefficient is selected by an infusion set switching key provided on the control panel.
Further, in step S2, the number of bits of the infusion amount is selected by a number-of-bits switching key provided on the control panel.
Compared with the prior art, the infusion device with the liquid quantity monitoring function and the control method thereof have the following advantages:
(1) the infusion apparatus can accurately record the input liquid volume of a patient in real time, provide basis for clinical treatment and reduce errors; and an alarm is arranged, so that medical staff can be reminded that the patient reaches the set infusion amount at present, and the completion of the fluid infusion test is reminded.
(2) The infusion device with the liquid quantity monitoring function has the advantages of convenience in use, small size and low manufacturing cost, and can be widely mounted on an existing infusion set for use.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and, together with the description, serve to explain the invention without limitation. In the drawings:
FIG. 1 is a schematic diagram of the overall structure of the embodiment of the present invention;
fig. 2 is a schematic structural diagram of a photoelectric sensor according to an embodiment of the present invention;
FIG. 3 is a schematic view of a clip according to an embodiment of the present invention;
FIG. 4 is a diagram of an alarm circuit according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a sensor circuit according to an embodiment of the present invention;
fig. 6 is a flowchart of a control method according to an embodiment of the present invention.
Description of reference numerals:
1-a shell; 2-a display screen; 3-a photosensor; 4-an operation panel; 5-a battery; 6-a first display area; 7-a second display area; 8-an alarm; 9-alarm switch key; a 10-digit toggle; 11-adjustment number keys; 12-infusion set switching key; 13-a central processing unit; 201-an infusion tube; 202-Murphy's dropper; 203-light emitting end; 204-a light receiving end; 205-droplets; 206-a clip; 207-upper and lower mouth parts.
Detailed Description
It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which are merely for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be construed broadly, e.g. as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.
The invention will be described in detail with reference to the following embodiments with reference to the attached drawings.
As shown in fig. 1 to 5, an infusion device with a liquid volume monitoring function comprises a murphy's dropper 202 arranged on an infusion tube 201, and comprises a shell 1, wherein a battery 5, a display screen 2, an operation panel 4, a central processing unit 13, a photoelectric sensor 3 and an alarm 8 are arranged on the shell 1; the shell 1 is arranged outside the Murphy's dropper, and a control panel 4 is arranged on the shell; the Murphy's dropper is provided with a photoelectric sensor 3 for detecting the number of the liquid drops 205 passing through the Murphy's dropper; the alarm 8 comprises a loudspeaker and an alarm circuit, and the central processing unit 13 is connected with the battery 5, the display screen 2, the operation panel 4, the photoelectric sensor 3 and the alarm 8.
The photoelectric sensor 3 comprises a light emitting end 203 and a light receiving end 204 which are symmetrically arranged on the side wall of the Murphy's dropper 202 respectively.
The control panel 4 comprises an alarm switch key 9, an infusion set switch key 12, a digit switch key 10 and an adjusting numeric key 10.
The display screen 2 includes a first display area 6 for displaying the current amount of dripping liquid, and a second display area 7 for displaying the set alarm amount of dripping liquid.
A clip 206 is disposed on the upper portion of the housing 1, and the clip 206 is clamped on the upper interface portion 207 of the murphy's dropper 202.
As shown in fig. 4, in the alarm circuit diagram according to the inventive embodiment of the present invention, the central processing unit in the diagram adopts a single chip microcomputer with a model number of 80C51, and an alarm switch key S1, a speaker B1, a resistor R1, and a triode VT1 constitute an alarm circuit; as shown in fig. 5, the schematic diagram of the sensor circuit according to the embodiment of the present invention is shown, in which the photoelectric sensor is of type E18-D80NK-N, the sensor integrates transmitting and receiving, the transmitted light is emitted after modulation, and the receiving head demodulates and outputs the reflected light.
As shown in fig. 6, a method for controlling an infusion device having a function of monitoring a liquid amount, comprising: the method comprises the following steps:
step S1, detecting the number of drops of liquid in the Murphy' S dropper through a photoelectric sensor;
step S2, the central processing unit calculates the transfusion volume according to the number of drops, and the formula is as follows: the infusion amount (ml) = the number of drops X (1 ml/A); wherein A refers to the dropping liquid coefficient of the transfusion device, and the dropping liquid coefficient of the transfusion device which is commonly used clinically is as follows: 10 drops/ml, 15 drops/ml and 20 drops/ml; for example, if the factor of the infusion set is 10, the infusion volume of 100 drops is: 100X (1/10) =10 ml.
And step S3, displaying the infusion amount on the display screen.
Step S4, a user inputs a set infusion amount through an adjusting numeric key arranged on a control panel, and a display screen displays the set infusion amount;
and S5, comparing the set infusion amount with the infusion amount by the central processing unit, and starting a loudspeaker to give an alarm when the infusion amount is equal to the set infusion amount.
In step S2, the dropping coefficient of the common infusion set is selected by an infusion set switching key provided on the control panel.
In step S2, the number of bits of the infusion amount is selected by a number-of-bits switching key provided on the control panel.
The infusion device with the liquid quantity monitoring function provided by the embodiment of the invention has the working principle that: the shell is fixed at a Murphy's dropper on the infusion tube, and the upper end and the lower end of the shell are additionally arranged at the upper interface part and the lower interface part of the Murphy's dropper through clamps; the photoelectric sensor comprises a light emitting end and a light receiving end, the light arrangement width is about 5MM, each drop of liquid medicine in the Murphy's dropper is interfered by light, and the light receiving end records the liquid medicine once, so that the liquid medicine dropping amount is recorded; the calculation mode can be switched by switching the infusion set switch keys when the infusion set is configured in different infusion sets; for the condition that the infusion needs to be stopped only by dropping a proper amount of liquid medicine, the alarm switch key can be turned on, the set infusion amount is set, and the alarm prompt can be carried out after the infusion amount reaches the set infusion amount.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the invention, so that any modifications, equivalents, improvements and the like, which are within the spirit and principle of the present invention, should be included in the scope of the present invention.

Claims (9)

1. The utility model provides an infusion set with monitor liquid measure function, is including setting up murphy's burette (202) on transfer line (201), its characterized in that: the intelligent alarm device comprises a shell (1), wherein a battery (5), a display screen (2), an operation panel (4), a central processing unit (13), a photoelectric sensor (3) and an alarm (8) are arranged on the shell (1); the shell (1) is arranged outside the Murphy's dropper, and a control panel (4) is arranged on the shell; a photoelectric sensor (3) for detecting the number of liquid drops (205) passing through the Murphy's dropper is arranged on the Murphy's dropper; the alarm (8) comprises a loudspeaker and an alarm circuit, and the central processing unit (13) is connected with the battery (5), the display screen (2), the operation panel (4), the photoelectric sensor (3) and the alarm (8).
2. The infusion device with a liquid volume monitoring function according to claim 1, characterized in that: the photoelectric sensor (3) comprises a light emitting end (203) and a light receiving end (204) which are symmetrically arranged on the side wall of the Murphy's dropper (202).
3. The infusion device with a liquid volume monitoring function according to claim 1, characterized in that: the control panel (4) comprises an alarm switch key (9), an infusion set switching key (12), a digit switching key (10) and an adjusting number key (10).
4. The infusion device with a liquid volume monitoring function according to claim 1, characterized in that: the display screen (2) comprises a first display area (6) for displaying the current dripping amount and a second display area (7) for displaying the set alarm dripping amount.
5. The infusion device with a liquid volume monitoring function according to claim 1, characterized in that: the upper part and the lower part of the shell (1) are provided with clamps (206), and the clamps (206) are clamped at the upper and lower opening parts (207) of the Murphy's dropper (202).
6. The method of controlling an infusion device having a function of monitoring a liquid amount according to claim 1, characterized in that: the method comprises the following steps:
step S1, detecting the number of drops of liquid in the Murphy' S dropper through a photoelectric sensor;
step S2, the central processing unit calculates the transfusion volume according to the number of drops, and the formula is as follows: the infusion amount (ml) = the number of drops X (1 ml/A); wherein A refers to the dropping liquid coefficient of the transfusion device, and the dropping liquid coefficient of the transfusion device which is commonly used clinically is as follows: 10 drops/ml, 15 drops/ml and 20 drops/ml;
and step S3, displaying the infusion amount on the display screen.
7. The control method according to claim 5, characterized by further comprising the steps of:
step S4, a user inputs a set infusion amount through an adjusting numeric key arranged on a control panel, and a display screen displays the set infusion amount;
and S5, comparing the set infusion amount with the infusion amount by the central processing unit, and starting a loudspeaker to give an alarm when the infusion amount is equal to the set infusion amount.
8. The control method according to claim 5, characterized in that: in step S2, the dropping coefficient of the common infusion set is selected by an infusion set switching key provided on the control panel.
9. The control method according to claim 5, characterized in that: in step S2, the number of bits of the infusion amount is selected by a number-of-bits switching key provided on the control panel.
CN202010295235.3A 2020-04-15 2020-04-15 Infusion device with liquid quantity monitoring function and control method thereof Pending CN111388803A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010295235.3A CN111388803A (en) 2020-04-15 2020-04-15 Infusion device with liquid quantity monitoring function and control method thereof

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Application Number Priority Date Filing Date Title
CN202010295235.3A CN111388803A (en) 2020-04-15 2020-04-15 Infusion device with liquid quantity monitoring function and control method thereof

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CN111388803A true CN111388803A (en) 2020-07-10

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114452484A (en) * 2022-02-10 2022-05-10 于莉莎 Infusion apparatus early warning device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114452484A (en) * 2022-02-10 2022-05-10 于莉莎 Infusion apparatus early warning device

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