Drainage liquid electronic monitoring device

Abstract

The invention belongs to the technical field of medical equipment, and discloses a drainage liquid electronic monitoring device, a clamping end of a clamping main body is provided with a monitoring assembly, and the monitoring assembly comprises a thermal monitoring module and a photoelectric monitoring module; the thermal monitoring module comprises two groups of heat insulation blocks, a heating plate, a first temperature sensor and a second temperature sensor, and the first temperature sensor and the second temperature sensor are used for monitoring the temperature of the drainage tube; the photoelectric monitoring module is located below the thermal monitoring module, the photoelectric monitoring module comprises two groups of fixing blocks and photoelectric sensor groups embedded in the inner walls of the fixing blocks, and the photoelectric sensor groups are used for monitoring light intensity changes in the drainage tube; the main control board is electrically connected with the monitoring assembly and is used for receiving and processing the monitoring data; multi-mode monitoring is carried out through cooperation of the thermal monitoring module and the photoelectric monitoring module, each group of detection information is fused and judged through the main control board, manual inspection is replaced, real-time recording and distinguishing of different drainage states are carried out, and the monitoring effect is perfected.

Description

Technical Field

[0001] This invention relates to the field of medical device technology, and in particular to an electronic monitoring device for drainage fluid. Background Technology

[0002] In postoperative monitoring and intensive care, continuous and reliable monitoring of drainage tube patency and the normal outflow of drainage fluid is crucial for assessing patient recovery. Currently, monitoring of drainage relies primarily on intermittent manual rounds. Medical staff need to periodically check the drainage tubes and bags, which is significantly delayed, unable to accurately record the timing and flow status of drainage fluid, and depends on the experience of medical staff to determine if the drainage tube is blocked, making it impossible to immediately assess tube patency. Some technologies now exist that can assess fluid flow within the tubing, such as commonly available infusion alarms. These typically use photoelectric sensors to detect the presence of medication within the infusion tubing, offering a simple structure and advanced technology. While mature, current monitoring devices are not suitable for monitoring drainage fluid. The state of drainage fluid in the drainage tube is variable. For example, the drainage tube may be full of drainage fluid but not flowing. Current monitoring devices can only detect the presence of liquid but not whether it is flowing. Or, there may be only a small stream of drainage fluid clinging to the wall of the drainage tube, not filling it completely. Current monitoring devices cannot detect this, leading to inadequate monitoring. Therefore, there is an urgent need for an electronic drainage fluid monitoring device to meet the clinical needs of recording the flow status of drainage fluid in real time, facilitating medical staff to assess the drainage situation. Summary of the Invention

[0003] The present invention aims to provide an electronic monitoring device for drainage fluid to solve the problem that drainage fluid monitoring mainly relies on manual judgment and the monitoring effect of existing monitoring devices is not good.

[0004] To achieve the above objectives, the present invention provides the following technical solution:

[0005] An electronic monitoring device for drainage fluid includes:

[0006] The clamping body is used to clamp and fix it on the drainage tube. The clamping end of the clamping body is equipped with a monitoring component, which is used to monitor the fluid state in the drainage tube. The monitoring component includes a thermal monitoring module and a photoelectric monitoring module.

[0007] The thermal monitoring module includes two sets of heat insulation blocks, a heating plate embedded in the inner wall of the heat insulation blocks, a first temperature sensor and a second temperature sensor. The two sets of heat insulation blocks are respectively arranged opposite to each other on the two sets of clamps. The heating plate is located between the first temperature sensor and the second temperature sensor. The heating plate is used to form a thermal field locally on the wall of the drainage tube. The first temperature sensor and the second temperature sensor are used to monitor the temperature of the drainage tube.

[0008] The photoelectric monitoring module is located below the thermal monitoring module. The photoelectric monitoring module includes two sets of fixing blocks and a photoelectric sensor group embedded in the inner wall of the fixing blocks. The two sets of fixing blocks are respectively set opposite to the two sets of clamps. The photoelectric sensor group is used to monitor the change of light intensity in the drainage tube.

[0009] The main control board is located inside the clamping plate and is electrically connected to the monitoring components. It is used to receive and process monitoring data and determine the state of the drainage fluid in the drainage tube.

[0010] Furthermore, the photoelectric sensor group includes a through-beam photoelectric sensor and a reflective photoelectric sensor. The through-beam photoelectric sensor includes a transmitter and a receiver arranged opposite to each other, located in two sets of fixed blocks on both sides of the drainage tube, and is used to detect changes in the transmittance of the drainage tube cross section. The reflective photoelectric sensor includes a transmitter and a receiver arranged at a certain angle, both arranged in the same fixed block on one side of the drainage tube, and is used to detect changes in the transmittance of the drainage tube wall.

[0011] Furthermore, the main control board is configured to: determine whether there is liquid flow in the drainage tube based on the temperature difference signal detected by temperature sensor No. 1 and temperature sensor No. 2, and record the real-time flow time; and determine the liquid flow status in the drainage tube based on the light intensity signal detected by the photoelectric sensor group.

[0012] Furthermore, it also includes a power supply unit for supplying power to the monitoring components and the main control board. The power supply unit is located inside the clamping body, and a touch screen is provided on the surface of the clamping body. The touch screen is electrically connected to the main control board, which integrates a communication module.

[0013] Furthermore, the clamping body includes two sets of clamping plates, which are arranged opposite to each other and rotatably connected by a pin. A torsion spring is provided on the pin to keep the two sets of clamping plates in a clamped state.

[0014] Furthermore, the clamping plate has a groove, and the heat insulation block and the fixing block both have semi-circular grooves. The inner walls of the groove and the semi-circular groove are in contact with the outer wall of the drainage pipe.

[0015] Furthermore, the ends of the two sets of clamps form a V-shape.

[0016] The principles and beneficial effects of the technical solution are as follows:

[0017] This invention provides an electronic monitoring device for drainage fluid.

[0018] 1. The clamping body can be quickly clamped and fixed on the drainage tube. The drainage tube is locally heated by the thermal monitoring module. By detecting the temperature difference between the upstream and downstream, it can be determined whether there is drainage fluid flowing in the drainage tube. The main control board records the data in real time so that medical staff can understand the flow of drainage fluid and make the drainage time traceable.

[0019] 2. The photoelectric monitoring module detects the changes in light transmittance of the drainage tube cross-section and tube wall. After processing by the main control board, it determines whether the drainage fluid in the drainage tube is completely filled or a small stream of drainage fluid flows along the tube wall, thereby determining the flow state of the drainage fluid. This allows medical staff to understand the drainage situation based on the flow rate in the tube and determine whether the tube is unobstructed.

[0020] 3. The two sets of clamps can rotate around the pin shaft, and the torsion spring keeps the two sets of clamps in a clamped state, thus fixing them to the drainage tube. This allows medical staff to complete the fixation operation with one hand, making it simpler and more convenient to use. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure of an electronic monitoring device for drainage fluid according to the present invention;

[0022] Figure 2 This is a schematic diagram of the assembly structure of an electronic monitoring device for drainage fluid according to the present invention;

[0023] Figure 3 This is a schematic diagram of the open state of an electronic monitoring device for drainage fluid according to the present invention;

[0024] Figure 4 This is a schematic diagram of the rear side of an electronic monitoring device for drainage fluid according to the present invention;

[0025] Figure 5 This is a partial cross-sectional view of the monitoring component in an electronic monitoring device for drainage fluid according to the present invention;

[0026] The corresponding labels in the attached diagram are named as follows: 1. Clamping plate; 101. Groove; 102. Semicircular groove; 103. Torsion spring; 104. Pin; 2. Heat insulation block; 201. Heating plate; 202. Temperature sensor No. 1; 203. Temperature sensor No. 2; 3. Fixing block; 301. Through-beam photoelectric sensor; 302. Reflective photoelectric sensor; 4. Main control board; 401. Touch screen; 402. Power supply unit. Detailed Implementation

[0027] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments:

[0028] like Figures 1-5 As shown, an electronic monitoring device for drainage fluid includes:

[0029] The clamping body is used to clamp and fix it on the drainage tube. The clamping end of the clamping body is equipped with a monitoring component, which is used to monitor the fluid state in the drainage tube. The monitoring component includes a thermal monitoring module and a photoelectric monitoring module.

[0030] The thermal monitoring module includes two sets of heat insulation blocks 2, a heating plate 201 embedded in the inner wall of the heat insulation blocks 2, a first temperature sensor 202, and a second temperature sensor 203. When clamped on the drainage tube, all three are in close contact with the outer wall of the drainage tube. The heating plate 201 can be a micro-thin film heating element from the prior art, which is small in size, can generate sufficient temperature difference, and can avoid overheating. The two sets of temperature sensors can be micro-digital temperature sensors from the prior art, which have high detection sensitivity and are small in size, making them easy to integrate. The two sets of heat insulation blocks 2 are respectively arranged opposite to each other on the two sets of clamping plates 1. The outer layer of the heat insulation blocks 2 is made of heat insulation material, which can reduce the interference of external temperature on the temperature between the heat insulation blocks 2 and the drainage tube. The heating plate 201 is located between the first temperature sensor 202 and the second temperature sensor 203, at the same distance from them. The heating plate 201 is used to form a thermal field locally on the tube wall of the drainage tube, and the first temperature sensor 202 and the second temperature sensor 203 are used to monitor the temperature of the drainage tube.

[0031] The photoelectric monitoring module is located below the thermal monitoring module. The photoelectric monitoring module includes two sets of fixing blocks 3 and a photoelectric sensor group embedded in the inner wall of the fixing blocks 3. The two sets of fixing blocks 3 are respectively set opposite to each other on the two sets of clamping plates 1. After the main body clamps the drainage tube, the two sets of fixing blocks 3 are completely merged to isolate external light, so that the drainage tube inside the fixing blocks 3 is in a light-proof environment, reducing external light interference and improving the photoelectric detection accuracy. The photoelectric sensor group is used to monitor the change of light intensity inside the drainage tube.

[0032] The main control board 4 is set inside the clamping plate 1. The core processor of the main control board 4 can be the STM32L476 microcontroller chip in the existing technology, which has low power consumption and good performance. The main control board 4 is electrically connected to the monitoring component and is used to receive and process monitoring data to determine the state of the drainage fluid in the drainage tube.

[0033] In use, firstly, the clamping body is opened and clamped and fixed onto the drainage tube, so that the thermal monitoring module and the photoelectric monitoring module are attached to the outer wall of the drainage tube. The main control board 4 controls the thermal monitoring module to start, and heat is added to the drainage tube through the heating plate 201, so that the part covered by the heat insulation block 2 forms a thermal field. If there is no drainage fluid in the drainage tube or it is full of drainage fluid but not flowing, at this time, the first temperature sensor 202 and the second temperature sensor 203 are in the same environment, and the temperature difference between them is zero. When there is drainage fluid flowing in the drainage tube, the unheated drainage fluid upstream of the drainage tube first flows through the first temperature sensor 202, which will cause the temperature to drop, so that the temperature detected by the first temperature sensor 202 drops. After being heated by the heating plate 201, it flows through the second temperature sensor 203. Sensor 203 detects the temperature after heating, so the detected temperature will be higher than that of temperature sensor 202. The main control board 4 calculates and analyzes the temperature difference between the two. When a change in temperature difference is detected, it indicates that drainage fluid is flowing out. At this time, the main control board 4 records the outflow time in real time. When the temperature difference is zero, the recording time stops, forming a timestamp of drainage fluid outflow, so that medical staff can review the data later to understand the outflow of drainage fluid. While the thermal monitoring module monitors the drainage fluid in the drainage tube, the main control board 4 controls the photoelectric monitoring module to detect the change in light intensity of the drainage tube cross-section. When there is drainage fluid in the drainage tube, the light emitted by the photoelectric sensor group will be refracted or scattered, which will change the light intensity received by the receiving end, thereby determining that there is drainage fluid in the drainage tube.

[0034] The main control board 4 integrates the data detected by the photoelectric monitoring module and the thermal monitoring module for comprehensive judgment. If the thermal monitoring module detects zero temperature difference between the upstream and downstream of the drainage tube, and the photoelectric monitoring module does not detect any change in light intensity, it indicates that there is no drainage fluid in the drainage tube. When no drainage fluid is detected for a long time, the main control board 4 issues a prompt message to remind medical staff to pay attention and determine whether there is a blockage in the tube or whether the tube removal criteria have been met. If the thermal monitoring module detects zero temperature difference between the upstream and downstream of the drainage tube, and the photoelectric monitoring module detects a change in light intensity, it indicates that there is drainage fluid in the drainage tube, but the drainage fluid is not flowing, and the probability of drainage tube blockage is relatively high. The main control board 4 issues an alarm message to remind medical staff to check in time, replacing manual periodic inspections. It can provide real-time and timely information on the status of drainage fluid in the drainage tube, making the device monitoring effect better.

[0035] In this embodiment, the photoelectric sensor group includes a through-beam photoelectric sensor 301 and a reflective photoelectric sensor 302. The through-beam photoelectric sensor 301 can be a combination of the Vishay TSAL6100 infrared emitting tube and the Vishay TEFT4300 infrared receiving tube from the prior art, which are respectively installed on two sets of fixing blocks 3. The infrared light passes through the drainage tube for through-beam detection. Its small size allows it to be easily installed on the fixing block 3. The reflective photoelectric sensor 302 can be a Vishay CNY70 integrated reflective photoelectric sensor from the prior art. It is direct, integrates transmission and reception, and is arranged side by side at a certain angle. It can be easily installed on a fixing block 3 to detect the wall of the drainage tube. The through-beam photoelectric sensor 301 includes a transmitting end and a receiving end arranged opposite each other, located in the two sets of fixing blocks 3 on both sides of the drainage tube, and is used to detect the change in the transmittance of the drainage tube cross section. The reflective photoelectric sensor 302 includes a transmitting end and a receiving end arranged at a certain angle, both of which are set in the same fixing block 3 on one side of the drainage tube, and are used to detect the change in the transmittance of the drainage tube wall. When there is no drainage fluid in the drainage tube, the tube has good light transmittance and moderate refractive index, resulting in a high and stable through-beam photoelectric sensor 301 and a moderate and stable reflected signal detected by the reflective photoelectric sensor 302. When the drainage tube is filled with drainage fluid and flowing, the through-beam photoelectric sensor 301 detects a low and stable through-beam signal due to scattering by the drainage fluid, while the reflected signal detected by the reflective photoelectric sensor 302 is low and fluctuating. When there is only a small stream of drainage fluid flowing along the inner wall of the drainage tube, the drainage fluid adhering to the wall does not affect the light received by the through-beam photoelectric sensor 301, resulting in a high and stable through-beam signal. However, the drainage fluid adhering to the wall forms a water film, which increases the reflectivity of the drainage tube wall, resulting in a high and stable reflected signal detected by the reflective photoelectric sensor 302. Through the combination of dual-mode photoelectric detection, the main control board 4 compares the through-beam and reflected signals to determine the state of the drainage fluid in the drainage tube and records it in real time, allowing medical staff to understand the drainage fluid outflow situation at different times.

[0036] In this embodiment, the main control board 4 is configured to: determine whether there is fluid flow in the drainage tube based on the temperature difference signal detected by temperature sensor 202 and temperature sensor 203, and record the real-time flow time; and determine the fluid flow state in the drainage tube based on the light intensity signal detected by the photoelectric sensor group. By comprehensively analyzing the flow and flow state of the drainage fluid in the drainage tube, the main control board 4 determines the outflow status of the drainage fluid. When the drainage fluid flows quickly, the unheated drainage fluid rapidly fills the temperature sensor 202, causing the temperature to continuously decrease, resulting in a large change in the temperature difference signal. Conversely, when the flow speed is slow, the temperature difference signal changes less. When a large temperature difference change is detected, and the photoelectric sensor group detects that the drainage tube is full, it indicates that a large amount of drainage fluid is flowing out rapidly. The main control board 4 issues a warning message to remind medical staff to check for active bleeding, thus improving the safety of monitoring.

[0037] In this embodiment, a power supply unit 402 is also included to supply power to the monitoring components and the main control board 4. The power supply unit 402 is disposed inside the clamping body, and a touch screen 401 is disposed on the surface of the clamping body. The touch screen 401 is electrically connected to the main control board 4, and the main control board 4 integrates a communication module. The power supply unit 402 can be a rechargeable lithium polymer battery from the prior art, which is small in size and has a suitable capacity, sufficient to meet the power supply requirements during the monitoring cycle. Various information generated by the main control board 4 can be output through the touch screen 401, which is convenient for medical staff to view. At the same time, direct operation is also convenient for medical staff to use. The communication module can be a Bluetooth module of the RF-BM-ND04 model from the prior art, which allows the device to communicate directly with the PDA (mobile nursing terminal) currently used in hospitals through the Bluetooth communication protocol, which is convenient for viewing and managing monitoring information.

[0038] In this embodiment, the clamping body includes two sets of clamping plates 1, which are arranged opposite to each other and rotatably connected by a pin 104. A torsion spring 103 is provided on the pin 104 to keep the two sets of clamping plates 1 in a clamped state. The two sets of clamping plates 1 can rotate around the pin 104, and the torsion spring 103 provides elasticity, so that after the medical staff opens the two sets of clamping plates 1, they can quickly return to the clamped state, thus stably clamping the drainage tube without the need for additional fixation by the medical staff, reducing the operation steps and burden of the medical staff.

[0039] In this embodiment, the clamping plate 1 has a groove 101, and the heat insulation block 2 and the fixing block 3 both have semi-circular grooves 102. The inner walls of the groove 101 and the semi-circular groove 102 are in contact with the outer wall of the drainage tube. The groove 101 is slightly smaller than the outer diameter of the drainage tube commonly used in clinical practice at present, so that the clamping plate 1 can be stably clamped on the drainage tube through the groove 101, without causing excessive deformation of the drainage tube. The semi-circular grooves 102 are all adapted to the outer diameter of the drainage tube commonly used in clinical practice at present, so that the sensor elements on the inner wall of the semi-circular groove 102 can be tightly attached to the outer wall of the drainage tube, improving the monitoring accuracy.

[0040] In this embodiment, the two sets of clamps 1 form a V-shape at their tail ends. The V-shape allows medical staff to easily pinch the two sets of clamps 1 with one hand, causing the clamps 1 to open and quickly fix them onto the drainage tube, making the operation simple and convenient.

[0041] The above descriptions are merely embodiments of the present invention, and common knowledge regarding specific technical solutions or characteristics is not elaborated upon here. It should be noted that those skilled in the art can make various modifications and improvements without departing from the technical solutions of the present invention, and these should also be considered within the scope of protection of the present invention. These modifications and improvements will not affect the effectiveness of the implementation of the present invention or the practicality of the patent. The scope of protection claimed in this application should be determined by the content of its claims, and the specific embodiments described in the specification can be used to interpret the content of the claims.

Claims

1. An electronic monitoring device for drainage fluid, characterized in that, include: A clamping body is used to clamp and fix it on the drainage tube. The clamping end of the clamping body is provided with a monitoring component. The monitoring component is used to monitor the fluid state in the drainage tube. The monitoring component includes a thermal monitoring module and a photoelectric monitoring module. The thermal monitoring module includes two sets of heat insulation blocks (2) and a heating plate (201), a first temperature sensor (202) and a second temperature sensor (203) embedded in the inner wall of the heat insulation blocks (2). The two sets of heat insulation blocks (2) are respectively arranged opposite to each other on the two sets of clamps (1). The heating plate (201) is located between the first temperature sensor (202) and the second temperature sensor (203). The heating plate (201) is used to form a thermal field locally on the wall of the drainage tube. The first temperature sensor (202) and the second temperature sensor (203) are used to monitor the temperature of the drainage tube. The photoelectric monitoring module is located below the thermal monitoring module. The photoelectric monitoring module includes two sets of fixing blocks (3) and a photoelectric sensor group embedded in the inner wall of the fixing blocks (3). The two sets of fixing blocks (3) are respectively arranged opposite to each other on the two sets of clamps (1). The photoelectric sensor group is used to monitor the change in light intensity in the drainage tube. The main control board (4) is located inside the clamp (1). The main control board (4) is electrically connected to the monitoring component and is used to receive and process monitoring data and determine the state of the drainage fluid in the drainage tube.

2. The electronic monitoring device for drainage fluid according to claim 1, characterized in that: The photoelectric sensor group includes a through-beam photoelectric sensor (301) and a reflective photoelectric sensor (302). The through-beam photoelectric sensor (301) includes a transmitter and a receiver arranged opposite to each other, located in two sets of fixed blocks (3) on both sides of the drainage tube, and is used to detect the change in the transmittance of the drainage tube cross section. The reflective photoelectric sensor (302) includes a transmitter and a receiver arranged at a certain angle, both arranged in the same fixed block (3) on one side of the drainage tube, and is used to detect the change in the transmittance of the drainage tube wall.

3. The electronic monitoring device for drainage fluid according to claim 1 or 2, characterized in that: The main control board (4) is configured to: determine whether there is liquid flow in the drainage tube based on the temperature difference signal detected by the first temperature sensor (202) and the second temperature sensor (203), and record the real-time flow time; and determine the liquid flow state in the drainage tube based on the light intensity signal detected by the photoelectric sensor group.

4. The electronic monitoring device for drainage fluid according to claim 1, characterized in that: It also includes a power supply unit (402) for supplying power to the monitoring component and the main control board (4). The power supply unit (402) is located inside the clamping body. A touch screen (401) is provided on the surface of the clamping body. The touch screen (401) is electrically connected to the main control board (4). A communication module is integrated on the main control board (4).

5. The electronic monitoring device for drainage fluid according to claim 1, characterized in that: The clamping body includes two sets of clamping plates (1), which are arranged opposite to each other and rotatably connected by a pin (104). A torsion spring (103) is provided on the pin (104) to keep the two sets of clamping plates (1) in a clamped state.

6. The electronic monitoring device for drainage fluid according to claim 5, characterized in that: The clamping plate (1) has a groove (101), and the heat insulation block (2) and the fixing block (3) both have a semi-circular groove (102). The inner walls of the groove (101) and the semi-circular groove (102) are in contact with the outer wall of the drainage pipe.

7. The electronic monitoring device for drainage fluid according to claim 5, characterized in that: The two sets of clamps (1) form a V-shape at their tail ends.

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