CN114191654B - Flexible infusion early warning system - Google Patents
Flexible infusion early warning system Download PDFInfo
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- CN114191654B CN114191654B CN202111511936.7A CN202111511936A CN114191654B CN 114191654 B CN114191654 B CN 114191654B CN 202111511936 A CN202111511936 A CN 202111511936A CN 114191654 B CN114191654 B CN 114191654B
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- aluminum foil
- capacitance
- sensing device
- capacitive sensing
- monitoring terminal
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- 238000001802 infusion Methods 0.000 title claims abstract description 71
- 238000012544 monitoring process Methods 0.000 claims abstract description 42
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 84
- 229910052782 aluminium Inorganic materials 0.000 claims description 84
- 239000011888 foil Substances 0.000 claims description 84
- 239000007788 liquid Substances 0.000 claims description 29
- 230000006698 induction Effects 0.000 claims description 24
- 230000008054 signal transmission Effects 0.000 claims description 23
- 239000003990 capacitor Substances 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 11
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 5
- 238000004806 packaging method and process Methods 0.000 description 3
- 206010011409 Cross infection Diseases 0.000 description 2
- 206010001526 Air embolism Diseases 0.000 description 1
- 208000019901 Anxiety disease Diseases 0.000 description 1
- 206010029803 Nosocomial infection Diseases 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000001990 intravenous administration Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002906 medical waste Substances 0.000 description 1
- 230000036651 mood Effects 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
- A61M5/16831—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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/18—General characteristics of the apparatus with alarm
Abstract
The invention relates to a flexible infusion early warning system, which relates to the technical field of medical appliances and comprises a capacitance sensing device, a monitoring terminal and a receiving terminal; the capacitive sensing device is arranged on the infusion container and used for detecting medium change in the infusion container, the capacitive sensing device is connected with an FPC (flexible printed circuit) flat cable, the other end of the FPC flat cable is electrically connected with the monitoring terminal, and the monitoring terminal is in wireless connection with the receiving terminal; the monitoring terminal is used for receiving the capacitance change signal in the capacitance sensing device and sending the signal to the receiving terminal, and the receiving terminal is used for displaying and alarming. The advantages are that: the flexible infusion early warning system overcomes the problem that the conventional infusion alarm device is prone to false alarm, improves fault tolerance and improves applicability.
Description
Technical Field
The invention relates to the technical field of medical appliances, in particular to a flexible infusion early warning system.
Background
At present, hanging type intravenous transfusion is widely used in the treatment and rehabilitation processes of patients. In the infusion process, patients or family members of patients are required to pay attention to the infusion condition at any time, or nurses can carry out inspection so as to carry out subsequent treatment in time when each infusion bag is quickly emptied. The infusion end time cannot be clearly predicted, so that fatigue and anxiety mood are generated due to the fact that patients and accompanying families pay attention to at any time, and the patrol workload of nurses is increased.
The existing transfusion alarm device can only alarm after transfusion is completed, and cannot early warn in advance; if infusion is completed and can not be intervened or replaced in time, blood return phenomenon is easy to occur, and even serious consequences such as air embolism occur.
The foregoing description is provided for general background information and does not necessarily constitute prior art.
Disclosure of Invention
The invention aims to provide a flexible infusion early warning system, which overcomes the problem that the existing infusion alarm device is easy to generate false alarm, improves the fault tolerance and improves the applicability.
The invention provides a flexible infusion early warning system which comprises a capacitance sensing device, a monitoring terminal and a receiving terminal, wherein the capacitance sensing device is connected with the monitoring terminal; the capacitive sensing device is arranged on the infusion container and used for detecting medium change in the infusion container, the capacitive sensing device is connected with an FPC (flexible printed circuit) flat cable, the other end of the FPC flat cable is electrically connected with the monitoring terminal, and the monitoring terminal is in wireless connection with the receiving terminal; the monitoring terminal is used for receiving the capacitance change signal in the capacitance sensing device and sending the signal to the receiving terminal, and the receiving terminal is used for displaying and alarming.
Further, the capacitance sensing device is a two-section capacitance sensing FPC, and comprises a first capacitance sensing aluminum foil, a second capacitance sensing aluminum foil, a third capacitance sensing aluminum foil and a fourth capacitance sensing aluminum foil, wherein the first capacitance sensing aluminum foil and the second capacitance sensing aluminum foil are positioned on the same horizontal height, and the first capacitance sensing aluminum foil and the second capacitance sensing aluminum foil are electrically connected with the monitoring terminal; the third capacitance sensing aluminum foil and the fourth capacitance sensing aluminum foil are located on the same horizontal height, and the third capacitance sensing aluminum foil and the fourth capacitance sensing aluminum foil are electrically connected with the monitoring terminal.
Further, the FPC flat cable comprises a first liquid level signal transmission line, a second liquid level signal transmission line and a signal transmission line, wherein the first capacitance induction aluminum foil and the second capacitance induction aluminum foil are electrically connected with the monitoring terminal through the first liquid level signal transmission line, and the third capacitance induction aluminum foil and the fourth capacitance induction aluminum foil are electrically connected with the monitoring terminal through the second liquid level signal transmission line; one end of the signal transmission line is electrically connected with the capacitance sensing device, and the other end of the signal transmission line is electrically connected with the monitoring terminal.
Further, the distance from the horizontal height position of the first capacitance sensing aluminum foil and the second capacitance sensing aluminum foil to the outlet of the infusion container is larger than the distance from the horizontal height position of the third capacitance sensing aluminum foil and the fourth capacitance sensing aluminum foil to the outlet of the infusion container.
Further, the monitoring terminal comprises a capacitance detection chip, a singlechip and a transmitter; the capacitor detection chip is electrically connected with the first capacitor induction aluminum foil, the second capacitor induction aluminum foil, the third capacitor induction aluminum foil and the fourth capacitor induction aluminum foil, the capacitor detection chip is electrically connected with the singlechip, and the singlechip is connected with the transmitter in a MODBUS protocol packing mode.
Further, the receiving terminal comprises a receiver, a PC host, a display and an alarm; the receiver is used for receiving signals sent by the transmitter, the receiver is connected with the PC host computer in a MODBUS protocol packaging mode, and the PC host computer is connected with the display and the alarm.
Further, the capacitance sensing device is provided with a pasting device, and the capacitance sensing device is connected to the infusion container through the pasting device.
Further, a Type-C interface is arranged on the capacitance sensing device, a connector matched with the Type-C interface is arranged on the FPC bus, and the FPC bus is detachably connected to the capacitance sensing device through the connector.
Further, the capacitive sensing device is disposable.
Further, the monitoring terminal and the receiving terminal are internally provided with a power supply device.
According to the flexible infusion early warning system provided by the invention, the medium change in the infusion container is detected through the capacitance sensing device, the capacitance change can be caused by the medium change, the staged reminding and warning of the infusion process are realized, early warning signals are sent twice before the infusion is close to the end, and medical staff is reminded to prepare and go to the treatment; the condition that the existing transfusion alarm device is easy to generate false alarm is overcome, the fault tolerance is improved, and the applicability is improved; is suitable for patients under the condition that the patients cannot self-care or the guardianship personnel are short of.
Drawings
Fig. 1 is a schematic structural diagram of a flexible infusion early warning system according to an embodiment of the invention.
Fig. 2 is a schematic diagram of the combination of the flexible infusion warning system and the infusion container of fig. 1.
Fig. 3 is a schematic diagram of a combination structure of a capacitive sensing device and a monitoring terminal of the flexible infusion warning system of fig. 1.
Fig. 4 is a schematic diagram of a capacitive sensing device of the flexible infusion warning system of fig. 1 connected to an infusion container.
Fig. 5 is an enlarged view of a portion a in fig. 4.
Fig. 6 is a block diagram of a monitoring terminal and a receiving terminal of the flexible infusion warning system of fig. 1.
Reference numerals and components referred to in the drawings are as follows:
1. capacitance sensing device 11, first capacitance sensing aluminum foil 12, second capacitance sensing aluminum foil
15. Pasting device 14, fourth capacitance sensing aluminum foil 13 and third capacitance sensing aluminum foil
16. Type-C interface 2, monitor terminal 21, electric capacity detects chip
22. Singlechip 23, transmitter 3 and receiving terminal
31. Receiver 32, PC computer 33 and display
34. Alarm 4, FPC bus 41, first liquid level signal transmission line
44. Joint 43, active signal transmission line 42, second liquid level signal transmission line
5. Infusion container 6, early warning liquid level 7 and warning liquid level
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
The terms first, second, third, fourth and the like in the description and in the claims, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
Example 1
Fig. 1 is a schematic structural diagram of a flexible infusion early warning system provided by an embodiment of the invention, and fig. 2 is a schematic structural diagram of a combination of the flexible infusion early warning system and an infusion container in fig. 1. Referring to fig. 1 and 2, the flexible infusion early warning system provided by the embodiment of the invention comprises a capacitance sensing device 1, a monitoring terminal 2 and a receiving terminal 3; the capacitance sensing device 1 is arranged on the infusion container 5 and used for detecting medium change in the infusion container 5, the capacitance sensing device 1 is connected with an FPC (flexible printed circuit) flat cable 4, the other end of the FPC flat cable 4 is electrically connected with the monitoring terminal 2, and the monitoring terminal 2 is in wireless connection with the receiving terminal 3; the monitoring terminal 2 is used for receiving the capacitance change signal in the capacitance sensing device 1, and transmitting the signal to the receiving terminal 3, and the receiving terminal 3 is used for displaying and alarming.
The capacitance sensing device 1 installed at a specific position (a position near the bottom of the infusion container 5) on the infusion container 5 passes through the installation position that the liquid in the infusion container 5 is lower than the capacitance sensing device 1, at this time, the medium detected by the capacitance sensing device 1 is changed from liquid to air, the medium changes, thereby causing the capacitance detected by the capacitance sensing device 1 to change, and the signal is transmitted to the monitoring terminal 2 through the FPC flat cable 4, the monitoring terminal 2 is responsible for reading and processing, and the processed signal is wirelessly transmitted to the receiving terminal 3 to display the bed number, the infusion state and the alarm.
According to the flexible infusion early warning system provided by the embodiment of the invention, the capacitance sensing device 1 is used for detecting the medium change in the infusion container, the capacitance change can be caused by the medium change, the staged reminding and warning of the infusion process are realized, early warning signals are sent out twice before the infusion is ended, and medical staff are reminded to prepare and go to the treatment; the condition that the existing transfusion alarm device is easy to generate false alarm is overcome, the fault tolerance is improved, and the applicability is improved; is suitable for patients under the condition that the patients cannot self-care or the guardianship personnel are short of.
Fig. 3 is a schematic structural diagram of a combination of a capacitive sensing device and a monitoring terminal of the flexible infusion warning system in fig. 1, fig. 4 is a schematic structural diagram of the capacitive sensing device of the flexible infusion warning system in fig. 1 connected to an infusion container, and fig. 5 is an enlarged view of a portion a in fig. 4. Referring to fig. 3-5, a capacitive sensing device 1 according to an embodiment of the invention is a two-stage capacitive sensing FPC; it should be noted that, the two-section capacitive sensing FPC is a flexible circuit board, and the flexible printed circuit board is made of polyimide or polyester film as a base material, has high reliability, excellent flexible printed circuit board, light weight, thin thickness, free bending and folding, and other excellent characteristics; so that it can be mounted on different kinds of infusion containers 5;
further, the capacitive sensing device 1 includes a first capacitive sensing aluminum foil 11, a second capacitive sensing aluminum foil 12, a third capacitive sensing aluminum foil 13, and a fourth capacitive sensing aluminum foil 14, where the first capacitive sensing aluminum foil 11 and the second capacitive sensing aluminum foil 12 are located at the same horizontal height, and the first capacitive sensing aluminum foil 11 and the second capacitive sensing aluminum foil 12 are electrically connected with the monitoring terminal 2; the third and fourth capacitive sensing aluminum foils 13 and 14 are located on the same horizontal level, and the third and fourth capacitive sensing aluminum foils 13 and 14 are electrically connected with the monitoring terminal 2. Specifically, the distance from the horizontal height position of the first capacitance sensing aluminum foil 11 and the second capacitance sensing aluminum foil 12 to the outlet of the infusion container 5 is larger than the distance from the horizontal height position of the third capacitance sensing aluminum foil 13 and the fourth capacitance sensing aluminum foil 14 to the outlet of the infusion container 5.
As shown in fig. 4 and 5, the FPC flat cable 4 includes a first liquid level signal transmission line 41, a second liquid level signal transmission line 42, and an effective signal transmission line 43, the first capacitive sensing aluminum foil 11 and the second capacitive sensing aluminum foil 12 are electrically connected with the monitor terminal 2 through the first liquid level signal transmission line 41, and the third capacitive sensing aluminum foil 13 and the fourth capacitive sensing aluminum foil 14 are electrically connected with the monitor terminal 2 through the second liquid level signal transmission line 42; one end of the effective signal transmission line 43 is electrically connected to the capacitance sensing device 1, and the other end is electrically connected to the monitor terminal 2.
Fig. 6 is a block diagram of a monitoring terminal and a receiving terminal of the flexible infusion warning system of fig. 1. Referring to fig. 6, the monitor terminal 2 includes a capacitance detection chip 21 (e.g., a domestic MDC02 chip), a singlechip 22 (e.g., a domestic STC singlechip), and a transmitter 23 (e.g., a PTR2000 transmitter); the capacitance detection chip 21 is electrically connected with the first capacitance sensing aluminum foil 11, the second capacitance sensing aluminum foil 12, the third capacitance sensing aluminum foil 13 and the fourth capacitance sensing aluminum foil 14, the capacitance detection chip 21 is electrically connected with the singlechip 22, and the singlechip 22 is connected with the transmitter 23 through a MODBUS (serial communication) protocol packaging mode. The receiving terminal 3 comprises a receiver 31 (e.g. PTR2000 receiver), a PC host computer 32, a display 33 and an alarm 34; the receiver 31 is used for receiving the signal sent by the transmitter 23, the receiver 31 is connected with the PC host computer 32 by a MODBUS protocol packaging mode, and the PC host computer 32 is connected with the display 33 and the alarm 34.
With further reference to fig. 4 and fig. 6, the working principle of the flexible infusion early warning system provided by the embodiment of the invention is as follows:
the first capacitance sensing aluminum foil 11 and the second capacitance sensing aluminum foil 12 are positioned at the same horizontal position (the early warning liquid level 6 in fig. 4), according to the principle of capacitance change, when the early warning liquid level 6 is full of liquid, the capacitance value generated between the first capacitance sensing aluminum foil 11 and the second capacitance sensing aluminum foil 12 is a, and when the liquid level of infusion is stably lower than the early warning liquid level 6, the capacitance value between the first capacitance sensing aluminum foil 11 and the second capacitance sensing aluminum foil 12 is b; the signals on the first capacitance sensing aluminum foil 11 and the second capacitance sensing aluminum foil 12 are fed to the capacitance detection chip 21 through the first liquid level signal transmission line 41, and the singlechip 22 reads the capacitance value through the analog I2C bus, judges the meaning represented by the value and can send out liquid level position early warning according to the value; similarly, when the liquid level is lower than the level position of the third and fourth capacitance-sensing aluminum foils 13 and 14 (the liquid level 7 is alerted in fig. 4), the capacitance value obtained between the sides of the third and fourth capacitance-sensing aluminum foils 13 and 14 is also changed from a to b. The singlechip 22 can send out a liquid level position alarm according to the liquid level position alarm; the early warning and alarming data are packaged through Modbus RTU protocol, ID data bits representing bed numbers are added in the data, so that different patients can be distinguished, and the actual application conditions are achieved; the packed Modbus RTU data is connected to a wireless transceiver Modem chip in the transmitter 23 through a serial port TTL level signal, is set to be in a transmitting state, and is sent out and received by the receiving terminal 3.
The receiver 31 of the receiving terminal 3 is set to a receiving state, i.e., is capable of receiving the monitoring data transmitted from the transmitter 23; after receiving the data, the data is connected to the PC host 32 through a common serial port; a display 33 and an alarm 34 connected with the PC computer host 32 are used for displaying the transfusion condition of each bed in real time and broadcasting early warning and alarming.
Referring further to fig. 2, the capacitive sensing device 1 provided in the embodiment of the present invention is provided with an adhesive device 15, and the capacitive sensing device 1 is connected to the infusion container 5 through the adhesive device 15. The design of the sticking device 15 facilitates the connection of the capacitance sensing device 1 and simultaneously facilitates the transformation of the position of the capacitance sensing device 1 on the infusion container 5 according to the requirements.
With further reference to fig. 1, the capacitive sensing device 1 is provided with a Type-C interface 16, the FPC cable 4 is provided with a connector 44 matched with the Type-C interface 16, and the FPC cable 4 is detachably connected to the capacitive sensing device 1 through the connector 44.
The capacitance sensing device 1 is disposable; the FPC is low in price and can be used once, and cross infection and hospital infection are prevented according to the treatment of medical wastes; for convenient operation, the Type-C interface 16 is not divided into a positive and a negative Type, so that on-site operation is convenient, and the monitoring terminal 2 is also designed to have a detection signal of whether an FPC is inserted; the monitoring terminal 2 and the receiving terminal 3 are internally provided with power supply devices, the transmitter 23 is started to work only in a transmitting state, the standby current is only 8uA, and the power consumption of the whole machine is extremely small.
Based on the above description, the invention has the advantages that:
1. according to the flexible infusion early warning system provided by the embodiment of the invention, the capacitance sensing device 1 is used for detecting the medium change in the infusion container, the capacitance change can be caused by the medium change, the staged reminding and warning of the infusion process are realized, early warning signals are sent out twice before the infusion is ended, and medical staff are reminded to prepare and go to the treatment; the condition that the existing transfusion alarm device is easy to generate false alarm is overcome, the fault tolerance is improved, and the applicability is improved; is suitable for patients under the condition that the patients cannot self-care or the guardianship personnel are short of.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. The flexible infusion early warning system is characterized by comprising a capacitance sensing device (1), a monitoring terminal (2) and a receiving terminal (3); the capacitive sensing device (1) is arranged on the infusion container (5) and is used for detecting medium change in the infusion container (5), the capacitive sensing device (1) is connected with an FPC (flexible printed circuit) flat cable (4), the other end of the FPC flat cable (4) is electrically connected with the monitoring terminal (2), and the monitoring terminal (2) is in wireless connection with the receiving terminal (3);
the monitoring terminal (2) is used for receiving the capacitance change signal in the capacitance sensing device (1) and sending the signal to the receiving terminal (3), and the receiving terminal (3) is used for displaying and alarming;
the capacitive sensing device (1) is a two-section capacitive sensing FPC, the capacitive sensing device (1) comprises a first capacitive sensing aluminum foil (11), a second capacitive sensing aluminum foil (12), a third capacitive sensing aluminum foil (13) and a fourth capacitive sensing aluminum foil (14), the first capacitive sensing aluminum foil (11) and the second capacitive sensing aluminum foil (12) are positioned on the same horizontal height, and the first capacitive sensing aluminum foil (11) and the second capacitive sensing aluminum foil (12) are electrically connected with the monitoring terminal (2);
the third capacitance induction aluminum foil (13) and the fourth capacitance induction aluminum foil (14) are positioned on the same horizontal height, and the third capacitance induction aluminum foil (13) and the fourth capacitance induction aluminum foil (14) are electrically connected with the monitoring terminal (2);
the capacitance sensing device (1) is disposable;
the distance from the horizontal height position of the first capacitance induction aluminum foil (11) and the second capacitance induction aluminum foil (12) to the outlet of the transfusion container (5) is larger than the distance from the horizontal height position of the third capacitance induction aluminum foil (13) and the fourth capacitance induction aluminum foil (14) to the outlet of the transfusion container (5);
the FPC flat cable (4) comprises a first liquid level signal transmission line (41), a second liquid level signal transmission line (42) and an effective signal transmission line (43), wherein the first capacitance induction aluminum foil (11) and the second capacitance induction aluminum foil (12) are electrically connected with the monitoring terminal (2) through the first liquid level signal transmission line (41), and the third capacitance induction aluminum foil (13) and the fourth capacitance induction aluminum foil (14) are electrically connected with the monitoring terminal (2) through the second liquid level signal transmission line (42);
one end of the effective signal transmission line (43) is electrically connected with the capacitance sensing device (1), and the other end is electrically connected with the monitoring terminal (2).
2. The flexible infusion early warning system according to claim 1, characterized in that the monitoring terminal (2) comprises a capacitance detection chip (21), a singlechip (22) and a transmitter (23); the capacitor detection chip (21) is electrically connected with the first capacitor induction aluminum foil (11), the second capacitor induction aluminum foil (12), the third capacitor induction aluminum foil (13) and the fourth capacitor induction aluminum foil (14), the capacitor detection chip (21) is electrically connected with the singlechip (22), and the singlechip (22) is connected with the transmitter (23) in a MODBUS protocol packing mode.
3. The flexible infusion early warning system according to claim 2, characterized in that the receiving terminal (3) comprises a receiver (31), a PC host (32), a display (33) and an alarm (34);
the receiver (31) is used for receiving signals sent by the transmitter (23), the receiver (31) is connected with the PC host computer (32) in a MODBUS protocol packing mode, and the PC host computer (32) is connected with the display (33) and the alarm (34).
4. The flexible infusion early warning system according to claim 1, characterized in that the capacitive sensing device (1) is provided with an adhesive device (15), and the capacitive sensing device (1) is connected to the infusion container (5) through the adhesive device (15).
5. The flexible infusion early warning system according to claim 1, characterized in that the capacitance sensing device (1) is provided with a Type-C interface (16), the FPC flat cable (4) is provided with a connector (44) matched with the Type-C interface (16), and the FPC flat cable (4) is detachably connected to the capacitance sensing device (1) through the connector (44).
6. The flexible infusion early warning system according to claim 1, characterized in that the monitoring terminal (2) and the receiving terminal (3) are internally provided with power supply devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111511936.7A CN114191654B (en) | 2021-12-06 | 2021-12-06 | Flexible infusion early warning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111511936.7A CN114191654B (en) | 2021-12-06 | 2021-12-06 | Flexible infusion early warning system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114191654A CN114191654A (en) | 2022-03-18 |
| CN114191654B true CN114191654B (en) | 2024-03-26 |
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|---|---|---|---|
| CN202111511936.7A Active CN114191654B (en) | 2021-12-06 | 2021-12-06 | Flexible infusion early warning system |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2734241Y (en) * | 2004-10-18 | 2005-10-19 | 浙江大学 | Non-contact type medical transfusion alarming device |
| CN105944183A (en) * | 2016-06-23 | 2016-09-21 | 江苏顺源集团有限公司 | Capacitance type infusion sensor |
| CN106964023A (en) * | 2017-03-28 | 2017-07-21 | 合肥科的星测控科技有限公司 | A kind of infusion alarm system based on technology of Internet of things |
| CN212439594U (en) * | 2020-03-19 | 2021-02-02 | 无锡职业技术学院 | Label formula intelligence reminding device that infuses |
-
2021
- 2021-12-06 CN CN202111511936.7A patent/CN114191654B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2734241Y (en) * | 2004-10-18 | 2005-10-19 | 浙江大学 | Non-contact type medical transfusion alarming device |
| CN105944183A (en) * | 2016-06-23 | 2016-09-21 | 江苏顺源集团有限公司 | Capacitance type infusion sensor |
| CN106964023A (en) * | 2017-03-28 | 2017-07-21 | 合肥科的星测控科技有限公司 | A kind of infusion alarm system based on technology of Internet of things |
| CN212439594U (en) * | 2020-03-19 | 2021-02-02 | 无锡职业技术学院 | Label formula intelligence reminding device that infuses |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114191654A (en) | 2022-03-18 |
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Inventor after: Ding Chen Inventor after: Wang Jilan Inventor after: Xue Yunxiang Inventor after: Yu Yao Inventor after: Jin Bo Inventor before: Ding Chen Inventor before: Wang Jilan Inventor before: Xue Yunxiang Inventor before: Yu Yao Inventor before: Jin Bo |
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