CN111012971A - Surgical drip injection protection nursing device - Google Patents
Surgical drip injection protection nursing device Download PDFInfo
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- CN111012971A CN111012971A CN202010040047.6A CN202010040047A CN111012971A CN 111012971 A CN111012971 A CN 111012971A CN 202010040047 A CN202010040047 A CN 202010040047A CN 111012971 A CN111012971 A CN 111012971A
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- chip microcomputer
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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
-
- 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
- A61M5/16804—Flow controllers
- A61M5/16813—Flow controllers by controlling the degree of opening of the flow line
-
- 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
- A61M5/16831—Monitoring, detecting, signalling or eliminating infusion flow anomalies
-
- 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
- A61M5/16831—Monitoring, detecting, signalling or eliminating infusion flow anomalies
- A61M5/1684—Monitoring, detecting, signalling or eliminating infusion flow anomalies by detecting the amount of infusate remaining, e.g. signalling end of infusion
-
- 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
- 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
- A61M5/44—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 having means for cooling or heating the devices or media
-
- 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
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- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Veterinary Medicine (AREA)
- Heart & Thoracic Surgery (AREA)
- Public Health (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a surgical intravenous drip injection protection nursing device which comprises a peristaltic pump, an upper computer, a display, a key, a stepping motor, an MAX485 interface, a BC7281 driver, an infrared sensing circuit, a heater, an alarm and a temperature sensor, wherein the peristaltic pump is connected with the upper computer; the invention adopts the microphone to sample and obtain the digital signal, conditions the signal to the order of magnitude that can be processed normally through the signal conditioning circuit, regard digital signal as the input source of the audio frequency filter module, filter the digital signal through FFT, compare audio signal after filtering with standard audio signal, adjust the tension of the string according to the magnitude of difference between standard audio signal and the audio signal of measurement, finish the piano tuning work finally, it is convenient to use, measure accurate, reveal the advantage clearly, save manpower and raise the efficiency.
Description
Technical Field
The invention relates to the technical field of nursing devices, in particular to a surgical intravenous drip injection protection nursing device.
Background
At present, the medical transfusion system for surgery generally uses manual monitoring transfusion, a liquid container is hung at a certain height, liquid is input into a patient body by utilizing potential difference, a hose clamp is used for clamping and loosening a hose to control the dropping speed, and medical care personnel control the dropping speed according to the medicament characteristics. How to lead the manual operation to be automated or semi-automated, the time for nursing staff to monitor the process of the infusion of the patient is fully utilized, and the self-care patient can master the speed of the infusion, so that the medical instrument is required to accelerate the automated and semi-automated process, and the medical quality is improved.
Disclosure of Invention
The invention aims to provide a surgical drip injection protection nursing device.
In order to achieve the purpose, the technical solution of the invention is as follows: a surgical intravenous drip injection protection nursing device comprises a peristaltic pump, an upper computer, a display, a key, a stepping motor, an MAX485 interface, a BC7281 driver, an infrared sensing circuit, a heater, an alarm and a temperature sensor;
the single-chip microcomputer be provided with MAX485 interface and BC7281 driver, the single-chip microcomputer carries out electrical connection with button and display respectively through BC7281 driver, the single-chip microcomputer carries out electrical connection with the host computer through MAX485 interface, the single-chip microcomputer carries out electrical connection with infrared sensing circuit, the single-chip microcomputer carries out electrical connection with the alarm, the single-chip microcomputer carries out electrical connection with the heater, the single-chip microcomputer carries out electrical connection with step motor, step motor carries out mechanical connection with the peristaltic pump, the single-chip microcomputer carries out electrical connection with temperature sensor.
The working principle of the invention is as follows: when in use, an infrared light emitting diode and a phototriode of an infrared sensing circuit are arranged at two sides of a dropping funnel, a peristaltic pump is arranged on a transfusion tube, a temperature sensor is arranged at the outer part of the transfusion tube, each liquid drop of liquid medicine enables the infrared sensing circuit to generate a positive pulse, a single chip microcomputer detects the flow velocity of a dropping by recording the number of the positive pulses, the single chip microcomputer controls the positive and negative rotation of the transfusion tube by controlling a stepping motor after calculating and comparing the detected flow velocity of the dropping with a set flow velocity, the stepping motor drives the peristaltic pump to control the passing aperture size of the transfusion tube, thereby controlling the flow velocity of the dropping, when the flow velocity of the dropping is zero, the dropping is finished, at the moment, the single chip microcomputer outputs an instruction to drive an alarm to remind medical personnel, the temperature sensor transmits temperature parameters to the single chip microcomputer, if the detected temperature is lower than the set temperature, the singlechip outputs an instruction to drive the heater to heat the liquid medicine flowing through the infusion tube.
The invention has the beneficial effects that: the invention adopts the microphone to sample and obtain the digital signal, conditions the signal to the order of magnitude that can be processed normally through the signal conditioning circuit, regard digital signal as the input source of the audio frequency filter module, filter the digital signal through FFT, compare audio signal after filtering with standard audio signal, adjust the tension of the string according to the magnitude of difference between standard audio signal and the audio signal of measurement, finish the piano tuning work finally, it is convenient to use, measure accurate, reveal the advantage clearly, save manpower and raise the efficiency.
Drawings
The invention is further described with reference to the following figures and detailed description.
FIG. 1 is a block diagram of the structure of the present invention;
fig. 2 is a diagram of an infrared sensing circuit of the present invention.
Detailed Description
As shown in the attached drawing, the surgical intravenous drip injection protection nursing device comprises a peristaltic pump, an upper computer, a display, keys, a stepping motor, an MAX485 interface, a BC7281 driver, an infrared sensing circuit, a heater, an alarm and a temperature sensor;
the single-chip microcomputer be provided with MAX485 interface and BC7281 driver, the single-chip microcomputer carries out electrical connection with button and display respectively through BC7281 driver, the single-chip microcomputer carries out electrical connection with the host computer through MAX485 interface, the single-chip microcomputer carries out electrical connection with infrared sensing circuit, the single-chip microcomputer carries out electrical connection with the alarm, the single-chip microcomputer carries out electrical connection with the heater, the single-chip microcomputer carries out electrical connection with step motor, step motor carries out mechanical connection with the peristaltic pump, the single-chip microcomputer carries out electrical connection with temperature sensor.
Furthermore, the single chip microcomputer is of STC89C52 type.
Furthermore, the stepping motor is a stepping motor which is 103H5209-0741 and is pre-assembled with a NUL2803 integrated drive chip.
Furthermore, the peristaltic pump is a finger-shaped peristaltic pump.
Furthermore, the display is a nixie tube display.
Furthermore, the temperature sensor is a temperature sensor with the model number of LM 92.
Further, the infrared sensing circuit comprises an infrared light emitting diode D, a phototriode Q, a resistor R1, a resistor R2, a resistor R3, an integrated chip U1, a capacitor C1, a capacitor C2 and a capacitor C3;
the positive end of the infrared light emitting diode D is connected with the 5V positive end of a power supply, the negative end of the infrared light emitting diode D is connected with the resistor R1, the other end of the resistor R1 is connected with a power supply ground, the collector of the phototriode Q is connected with the 5V positive end of the power supply, the emitter of the phototriode Q is connected with the resistor R2, the other end of the resistor R2 is connected with the power supply ground, the emitter of the phototriode Q is further connected with the capacitor C2, the other end of the capacitor C2 is connected with the pin 2 of the integrated chip U1, the pin 5 of the integrated chip U1 is connected with the power supply ground through the capacitor C1, the pin 5 of the integrated chip U1 is connected with the power supply ground, the pin 6 and the pin 7 of the integrated chip U1 are both connected with the power supply ground through the capacitor C3, the resistor R3 is connected between the pin 6 and the pin 1 of the integrated chip U1 in series, the pin.
Furthermore, the integrated chip U1 is a time-base integrated circuit with the model number NE 555.
During the use, infrared sensing circuit's infrared emitting diode and phototriode install the both sides at the drip chamber, the peristaltic pump is installed on the transfer line, temperature sensor installs the outside at the transfer line, each liquid drop of liquid medicine will make infrared sensing circuit produce a positive pulse, the singlechip detects the velocity of flow of bit through the positive pulse number of record, the singlechip calculates the comparison back with setting up the velocity of flow according to the velocity of flow of the bit that detects, the singlechip is through controlling step motor's positive and negative commentaries on classics, step motor drive peristaltic pump control transfer line pass through the aperture size, thereby reach the speed of the velocity of flow of control bit. When the flow rate of the infusion is zero, namely the infusion is finished, at the moment, the single chip microcomputer outputs an instruction to drive the alarm to alarm, medical staff are reminded, the temperature sensor transmits the temperature parameter to the single chip microcomputer, and the single chip microcomputer outputs an instruction to drive the heater to heat the liquid medicine flowing through the infusion tube if the detected temperature is lower than the set temperature after comparing the detected temperature with the set temperature.
The above-mentioned embodiments are merely descriptions of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.
Claims (3)
1. A surgical intravenous drip injection protection nursing device is characterized in that: the surgical intravenous drip injection protection nursing device comprises a peristaltic pump, an upper computer, a display, a key, a stepping motor, an MAX485 interface, a BC7281 driver, an infrared sensing circuit, a heater, an alarm and a temperature sensor;
the single-chip microcomputer be provided with MAX485 interface and BC7281 driver, the single-chip microcomputer carries out electrical connection with button and display respectively through BC7281 driver, the single-chip microcomputer carries out electrical connection with the host computer through MAX485 interface, the single-chip microcomputer carries out electrical connection with infrared sensing circuit, the single-chip microcomputer carries out electrical connection with the alarm, the single-chip microcomputer carries out electrical connection with the heater, the single-chip microcomputer carries out electrical connection with step motor, step motor carries out mechanical connection with the peristaltic pump, the single-chip microcomputer carries out electrical connection with temperature sensor.
2. A surgical drip infusion protective care device according to claim 1, wherein:
the single chip microcomputer is of a model STC89C 52;
the stepping motor is a stepping motor which is 103H5209-0741 and is pre-assembled with a NUL2803 integrated drive chip;
the temperature sensor is a temperature sensor with the model number of LM 92.
3. A surgical drip infusion protective care device according to claim 1, wherein: the infrared sensing circuit comprises an infrared light emitting diode D, a phototriode Q, a resistor R1, a resistor R2, a resistor R3, an integrated chip U1, a capacitor C1, a capacitor C2 and a capacitor C3;
the positive end of the infrared light emitting diode D is connected with the 5V positive end of a power supply, the negative end of the infrared light emitting diode D is connected with a resistor R1, the other end of the resistor R1 is connected with a power supply ground, the collector of the phototriode Q is connected with the 5V positive end of the power supply, the emitter of the phototriode Q is connected with a resistor R2, the other end of the resistor R2 is connected with the power supply ground, the emitter of the phototriode Q is further connected with a capacitor C2, the other end of the capacitor C2 is connected with the pin 2 of the integrated chip U1, the pin 5 of the integrated chip U1 is connected with the power supply ground through a capacitor C1, the pin 5 of the integrated chip U1 is connected with the power supply ground, the pin 6 and the pin 7 of the integrated chip U1 are both connected with the power supply ground through a capacitor C3, a resistor R3 is connected between the pin 6 and the pin 1 of the integrated chip U1 in series, the pin; the integrated chip U1 is a time-base integrated circuit with the model number of NE 555.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010040047.6A CN111012971A (en) | 2020-01-15 | 2020-01-15 | Surgical drip injection protection nursing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010040047.6A CN111012971A (en) | 2020-01-15 | 2020-01-15 | Surgical drip injection protection nursing device |
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| Publication Number | Publication Date |
|---|---|
| CN111012971A true CN111012971A (en) | 2020-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010040047.6A Pending CN111012971A (en) | 2020-01-15 | 2020-01-15 | Surgical drip injection protection nursing device |
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| CN (1) | CN111012971A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113057892A (en) * | 2021-03-09 | 2021-07-02 | 欧阳健雄 | Feeder control circuit for medical care |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113057892A (en) * | 2021-03-09 | 2021-07-02 | 欧阳健雄 | Feeder control circuit for medical care |
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Application publication date: 20200417 |