Anti-drawing catheter monitoring circuit and device

Abstract

The utility model relates to the technical field of medical care assistance, and discloses a catheter monitoring circuit and device capable of preventing a catheter from being pulled out, which comprises an acquisition unit, a micro-control unit, a communication unit and a display unit, the micro-control unit processes the input signal and transmits the processed signal to the monitoring end through the communication unit; the acquisition unit comprises at least one group of pressure-sensitive acquisition modules and at least one group of displacement acquisition modules, the pressure-sensitive acquisition modules acquire pressure signals and transmit the pressure signals to the micro-control unit, and the displacement acquisition modules acquire displacement signals of the catheter and transmit the acquired displacement signals to the micro-control unit. According to the catheter monitoring circuit capable of preventing the catheter from being pulled out, the pressure and the distance of the catheter can be monitored, and the service life of the catheter is effectively prolonged; and the operation is simple, the working efficiency of medical staff is improved, and medical resources are saved.

Description

Technical Field

[0001] The utility model relates to the technical field of medical nursing assistance, in particular to a catheter monitoring circuit and a device for preventing tube removal. Background Art

[0002] When patients seek medical treatment, they usually need to cooperate with various types of catheters for treatment. The catheters need to be fixed with dressings, but many patients will actively remove the catheters due to discomfort caused by the catheterization. This unplanned catheterization sometimes puts the patient in danger or even endangers his life. Resetting the catheter not only increases the pain for the patient, but also greatly increases the risk of infection and mechanical injury.

[0003] Moreover, if the patient is extubated without the knowledge of the medical staff, it will increase the workload of the medical staff.

[0004] For example, in the prior art: CN201911008805.X, the anti-extubation device is complex in design and difficult to operate. Summary of the invention

[0005] Aiming at the problem that the catheter monitoring operation in the prior art is complicated, the current monitoring cannot respond in time, and the workload of medical staff is increased, the utility model proposes a catheter monitoring circuit and device for preventing tube removal.

[0006] In order to solve the above technical problems, the utility model is solved by the following technical solutions:

[0007] A catheter monitoring circuit for preventing tube removal comprises a collection unit, a microcontroller unit, a communication unit and a display unit. The collection unit inputs collected signals into the microcontroller unit, and the microcontroller unit processes the input signals and transmits the processed signals to a monitoring end through the communication unit. The collection unit comprises at least one group of pressure-sensitive collection modules and at least one group of displacement collection modules. The pressure-sensitive collection modules collect pressure signals and transmit them to the microcontroller unit, and the displacement collection modules collect displacement signals of the catheter and transmit the collected displacement signals to the microcontroller unit.

[0008] Preferably, an alarm unit is further included, and the micro control unit sends an alarm signal to the alarm unit, and the alarm unit receives the alarm signal and issues an alarm prompt.

[0009] Preferably, a display unit is further included, the microcontroller unit sends a detection signal to the display unit, and the display unit displays the received detection signal.

[0010] Preferably, it also includes a photoelectric isolation unit, the input end of the photoelectric isolation unit is connected to the collection unit and the alarm unit, and the output end is output to the micro control unit.

[0011] Preferably, the pressure-sensitive acquisition module includes a pressure-sensitive resistor RG7 and an amplifier unit U1A; one end of the pressure-sensitive resistor RG7 is grounded, and the other end is connected to the positive input end of the amplifier unit U1A, and the output end of the amplifier unit U1A is a switching signal VOUT1.

[0012] Preferably, the displacement acquisition module includes a touch module TS1 and a touch control unit, the output end of the touch module TS1 is connected to the IN end of the touch control unit, and the output end outputs a SIGNAL_OUT signal through the Q end.

[0013] In order to solve the above-mentioned technical problems, the present application also provides an anti-extubation catheter monitoring device, which includes an anti-extubation catheter monitoring circuit. The anti-extubation catheter monitoring circuit includes an acquisition unit, a micro control unit, a communication unit and a display unit. The acquisition unit inputs the collected signal into the micro control unit, and the micro control unit processes the input signal and transmits the processed signal to the monitoring end through the communication unit; the acquisition unit includes at least one group of pressure-sensitive acquisition modules and at least one group of displacement acquisition modules. The pressure-sensitive acquisition module collects pressure signals and transmits them to the micro control unit. The displacement acquisition module collects displacement signals of the catheter and transmits the collected displacement signals to the micro control unit.

[0014] The utility model adopts the above technical solution design:

[0015] The anti-extubation catheter monitoring circuit designed in the utility model can monitor the pressure and distance of the catheter, which can effectively extend the service life of the catheter; and the operation is simple, thereby improving the work efficiency of medical staff.

[0016] The utility model adopts a photoelectric isolation unit to filter out the weak fluctuation of the filter sensor and the static electricity at the front end of the filter to affect the CPU, further ensuring the stability of the designed catheter monitoring device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 Schematic diagram of the anti-extubation monitoring circuit of the utility model;

[0018] Figure 2 Circuit diagram of the pressure-sensitive acquisition module of the utility model;

[0019] Figure 3 This is a circuit diagram of a practical pressure-sensitive acquisition module;

[0020] Figure 4 This is the second circuit diagram of the pressure-sensitive acquisition module of the utility model;

[0021] Figure 5 This is the circuit diagram of the photoelectric isolation unit of the utility model;

[0022] Figure 6 This is the circuit diagram of the micro control unit of the utility model;

[0023] Figure 7 This is the circuit diagram of the alarm unit of the utility model;

[0024] Figure 8 This is the circuit diagram of the displacement acquisition module of the utility model;

[0025] Fig. 9 This is a circuit diagram of a display unit of the utility model. DETAILED DESCRIPTION

[0026] The utility model is further described in detail below in conjunction with the accompanying drawings and embodiments.

[0027] Example 1

[0028] A catheter monitoring circuit for preventing tube removal, Figure 1 The system includes a collection unit, a micro control unit, a communication unit and a display unit. The collection unit inputs the collected signal to the micro control unit, and the micro control unit processes the input signal and transmits the processed signal to the monitoring end through the communication unit. The collection unit includes at least one group of pressure-sensitive collection modules and at least one group of displacement collection modules. The pressure-sensitive collection module collects pressure signals and transmits them to the micro control unit. The displacement collection module collects displacement signals of the catheter and transmits the collected displacement signals to the micro control unit. The system also includes an alarm unit. The micro control unit sends an alarm signal to the alarm unit, and the alarm unit receives the alarm signal and gives an alarm prompt. Figure 6 The alarm unit sounds an alarm via the buzzer Bell.

[0029] Fig. 9 The communication module in the system uses TC351 for communication.

[0030] Figure 2 In the embodiment, the pressure-sensitive acquisition module 1 includes a pressure-sensitive resistor RG7 and an amplifier unit U1A; one end of the pressure-sensitive resistor RG7 is grounded, and the other end is connected to the positive input end of the amplifier unit U1A, and the output end of the amplifier unit U1A is a switch signal VOUT1.

[0031] Example 2

[0032] Based on the first embodiment, this embodiment further includes a display unit. The microcontroller unit sends a detection signal to the display unit, and the display unit displays the received detection signal. Figure 8 In the display unit, LED-12864 is used.

[0033] Example 3

[0034] Based on the above embodiment, this embodiment further includes a photoelectric isolation unit, the input end of the photoelectric isolation unit is connected to the collection unit and the alarm unit, and the output end is output to the micro control unit.

[0035] Use photoelectric isolation circuit to filter front-end static electricity. Figure 4 The input end of the photoelectric isolation unit includes Vout1 output by pressure-sensitive acquisition module 1, Vout2 output by pressure-sensitive acquisition module 2, BELL_CPU output by the alarm unit, and SIGNAL_Out output by the displacement acquisition module; after passing through the photoelectric isolation unit, the outputs are Vout1_CPU, Vout2_CPU, Bell, and SIGNAL_Out.

[0036] Figure 7 In the embodiment, the displacement acquisition module includes a touch module TS1 and a touch control unit. The output end of the touch module TS1 is connected to the IN end of the touch control unit, and the output end outputs a SIGNAL_Out signal through the Q end. Touch detection is performed through ts1. If human skin contacts ts1, a high-level signal will be output, otherwise a low-level signal will be output.

[0037] Example 4

[0038] Based on the above embodiment, this embodiment is provided with two groups of pressure-sensitive acquisition modules. Figure 3 In the embodiment, the second pressure-sensitive acquisition module includes a pressure-sensitive resistor RG12 and an amplifier unit U1B; one end of the pressure-sensitive resistor RG12 is grounded, and the other end is connected to the positive input end of the amplifier unit U1B, and the output end of the amplifier unit U1A is a switch signal VOUT2. By providing multiple groups of pressure-sensitive acquisition modules, the monitoring accuracy can be further improved.

[0039] Example 5

[0040] A catheter monitoring device for preventing extubation comprises an anti-extubation catheter monitoring circuit, wherein the anti-extubation catheter monitoring circuit comprises an acquisition unit, a microcontrol unit, a communication unit and a display unit, wherein the acquisition unit inputs a collected signal to the microcontrol unit, and the microcontrol unit processes the input signal and transmits the processed signal to a monitoring end through the communication unit; the acquisition unit comprises at least one group of pressure-sensitive acquisition modules and at least one group of displacement acquisition modules, wherein the pressure-sensitive acquisition module acquires a pressure signal and transmits it to the microcontrol unit, and the displacement acquisition module acquires a displacement signal of the catheter and transmits the acquired displacement signal to the microcontrol unit.

Claims

1. A catheter monitoring circuit for preventing tube removal, comprising a collection unit, a microcontroller unit, a communication unit and a display unit, wherein the collection unit inputs the collected signal to the microcontroller unit, and the microcontroller unit processes the input signal and transmits the processed signal to the monitoring end through the communication unit; characterized in that: The acquisition unit includes at least one group of pressure-sensitive acquisition modules and at least one group of displacement acquisition modules. The pressure-sensitive acquisition module acquires pressure signals and transmits them to the microcontroller unit. The displacement acquisition module acquires displacement signals of the catheter and transmits the acquired displacement signals to the microcontroller unit.

2. The catheter monitoring circuit for preventing tube removal according to claim 1, characterized in that: It also includes an alarm unit, the micro control unit sends an alarm signal to the alarm unit, and the alarm unit receives the alarm signal and issues an alarm prompt.

3. The catheter monitoring circuit for preventing tube removal according to claim 1, characterized in that: It also includes a display unit. The microcontroller unit sends a detection signal to the display unit, and the display unit displays the received detection signal.

4. The catheter monitoring circuit for preventing tube removal according to claim 1, characterized in that: It also includes a photoelectric isolation unit, the input end of the photoelectric isolation unit is connected with the collection unit and the alarm unit, and the output end is output to the micro control unit.

5. The catheter monitoring circuit for preventing tube removal according to claim 1, characterized in that: The pressure-sensitive acquisition module includes a pressure-sensitive resistor RG7 and an amplifier unit U1A; one end of the pressure-sensitive resistor RG7 is grounded, and the other end is connected to the positive input end of the amplifier unit U1A, and the output end of the amplifier unit U1A is a switch signal VOUT1.

6. The catheter monitoring circuit for preventing tube removal according to claim 1, characterized in that: The displacement acquisition module includes a touch module TS1 and a touch control unit. The output end of the touch module TS1 is connected to the IN end of the touch control unit, and the output end outputs a SIGNAL_OUT signal through the Q end.

7. A catheter monitoring device for preventing tube removal, characterized in that: The invention comprises an anti-extubation catheter monitoring circuit, which comprises an acquisition unit, a micro control unit, a communication unit and a display unit. The acquisition unit inputs the acquired signal to the micro control unit, and the micro control unit processes the input signal and transmits the processed signal to the monitoring end through the communication unit. The acquisition unit comprises at least one group of pressure-sensitive acquisition modules and at least one group of displacement acquisition modules. The pressure-sensitive acquisition module acquires pressure signals and transmits them to the micro control unit, and the displacement acquisition module acquires displacement signals of the catheter and transmits the acquired displacement signals to the micro control unit.

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