Automatic transfusion alarming device based on photoelectric sensor
A technology of photoelectric sensors and alarms, applied in the direction of non-electric variable control, instruments, flow control, etc., can solve the problem that the liquid medicine cannot automatically send out alarms, etc., and achieve the effect of simple structure, convenient use, and low cost
Inactive Publication Date: 2013-02-20
李良杰
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[0003] In order to overcome the deficiency that the existing infusion device cannot automatically send out an alarm when the liquid medicine in the infusion bottle is transfused, the present invention provides an automatic infusion alarm based on a photoelectric sensor. Automatic alarm when there is no liquid medicine in the infusion tube at the lower end of the insertion needle
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[0010] The automatic infusion alarm based on the photoelectric sensor is composed of a groove-shaped photoelectric sensor (1), a single-chip microcomputer (2) and a buzzer (3). The signal output end of the photoelectric sensor is connected with the signal input end of the single-chip microcomputer, and the signal input end of the buzzer is connected with the output end of the single-chip microcomputer.
[0011] The single-chip microcomputer running the detection and analysis program acquires and analyzes the data measured by the slot-type photoelectric sensor in real time, and compares it with the data when there is no medicine in the infusion tube. When it detects that there is no medicine in the infusion tube, it controls the buzzer to send out beep.
[0012] The above disclosure is only a specific embodiment of the present application, but the present application is not limited thereto, and any changes conceivable by those skilled in the art shall fall within the protection...
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The invention relates to an automatic transfusion alarming device based on a photoelectric sensor. The automatic transfusion alarming device is composed of a trough type photoelectric sensor, a single chip microcomputer and a buzzer, the trough type photoelectric sensor is installed on the outer side of a transfusion tube at the lower end of a bottle inserting needle of a transfusion set, a signal output end of the trough type photoelectric sensor is connected with a signal input end of the single chip microcomputer, and a signal input end of the buzzer is connected with an output end of the single chip microcomputer. The single chip microcomputer with detection and analytical procedure operating real-timely acquires and analyzes data measured by the trough type photoelectric sensor and compares the data which are measured when no liquid drugs are filled in the transfusion tube, and when the transfusion tube is detected that no liquid drugs are filled in the transfusion tube, the single chip microcomputer controls the buzzer to give warning tone. The automatic transfusion alarming device based on the photoelectric sensor is simple in structure, low in costs and convenient to use, the device does not directly contact with the liquid drugs in the transfusion set so that the liquid drugs in the transfusion set can not be polluted, and automatic alarming is given when the transfusion tube at the lower end of the bottle inserting needle of the transfusion set is free of the liquid drugs.
Description
technical field [0001] An automatic infusion alarm based on a photoelectric sensor, especially a device that automatically sends out an alarm when it detects that there is no medicinal liquid in the infusion tube at the lower end of the needle of the infusion set. Background technique [0002] The existing infusion device cannot automatically send out an alarm when the liquid medicine in the infusion bottle is infused. If it is not detected in time, it may cause air to enter the blood vessel of the infusion recipient, causing harm to the infusion recipient's body and even endangering the infusion recipient's life. Safety. Contents of the invention [0003] In order to overcome the deficiency that the existing infusion device cannot automatically send out an alarm when the liquid medicine in the infusion bottle is transfused, the present invention provides an automatic infusion alarm based on a photoelectric sensor. When there is no medicinal liquid in the infusion tube at...
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IPC IPC(8): A61M5/168
Inventor 李良杰
Owner 李良杰