CN206576860U - Anesthesia depth monitor - Google Patents
Anesthesia depth monitor Download PDFInfo
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- CN206576860U CN206576860U CN201621251052.7U CN201621251052U CN206576860U CN 206576860 U CN206576860 U CN 206576860U CN 201621251052 U CN201621251052 U CN 201621251052U CN 206576860 U CN206576860 U CN 206576860U
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- module
- wifi
- bluetooth
- main control
- power
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Abstract
The utility model belongs to medical monitoring technical field, more particularly to anesthesia depth monitor.It obtains the EEG signals and depth of anesthesia of user by wireless communication technique means.It includes acquisition module, EEG Processing module, main control module, power module, WiFi module and bluetooth module；The output end of the acquisition module is connected with the input of EEG Processing module, and the output end of EEG Processing module is connected with the analog-to-digital conversion of main control module mouthful, and main control module realizes that communication is connected with WiFi module and bluetooth module respectively by serial ports；The power module is connected with main control module, and power module is the power supply of one of WiFi module, bluetooth module by a toggle switch；The first port of the toggle switch is connected with the bluetooth module, and the second port of toggle switch is connected with WiFi module；EEG Processing module is made up of preamplifier, high-pass filter, second level amplifier, low pass filter, power frequency notch filter, third level amplifier.
Description
Technical field
The utility model belongs to medical monitoring technical field, more particularly to anesthesia depth monitor.
Background technology
Anesthesia refers to the whole body produced by means of methods such as medicines or the local disappearance felt and forgotten memory state, it
Being smoothed out for operation is may insure, anaesthetizes too deep or excessively shallow patient can all be caused harm.Therefore, the monitoring of depth of anesthesia is outstanding
To be important.Anesthesia is, by causing the suppression and excitement of reversible central nervous system, to realize what is disappeared and relieve pain so as to reach
Purpose.And brain electricity can directly reflect the activity of central nervous system.Therefore brain power technology, which turns into, determines depth of anesthesia most
One of good means.
In existing Anelocator, mainly come with several electrode patch and wire and a monitoring terminal
Realize, electrode slice is also attached at human body, and the wire is connected between electrode patch and patient monitor, to transmission electrode
The EEG signals that paster is detected to the computer installation, the computer installation again stored the EEG signals received,
Analyze and show.However, this device design is complicated, instrument is heavy, there is inconvenience in use.
The content of the invention
The defect that the utility model is present aiming at prior art is there is provided anesthesia depth monitor, and it passes through wireless
Mechanics of communication means obtain the EEG signals and depth of anesthesia of user.
To achieve the above object, the utility model is provided at anesthesia depth monitor, including acquisition module, EEG signals
Manage module, main control module, power module, WiFi module and bluetooth module.
The output end of the acquisition module is connected with the input of EEG Processing module, EEG Processing module
Output end is connected with the analog-to-digital conversion mouthful of main control module, and main control module is realized with WiFi module and bluetooth module respectively by serial ports
Communication connection；The power module is connected with main control module, and power module is WiFi module, bluetooth module by a toggle switch
One of them power supply；The first port of the toggle switch is connected with the bluetooth module, the second port of the toggle switch
It is connected with the WiFi module.
Described EEG Processing module is by preamplifier, high-pass filter, second level amplifier, LPF
Device, power frequency notch filter, third level amplifier are constituted；The input of the preamplifier is connected with signal acquisition module, preposition
The output end of amplifier is connected with the input of high-pass filter, the output end of high-pass filter and the input of second level amplifier
End is connected, and the output end of second level amplifier is connected with the input of low pass filter, the output end and power frequency of low pass filter
The input of trapper is connected, and the output end of power frequency notch filter is connected with the input of third level amplifier, third level amplifier
Output end be connected with main control module.
As a kind of preferred scheme of the present utility model, described main control module uses single-chip microcomputer for main control chip.
As another preferred scheme of the present utility model, described acquisition module is made up of four patch electrodes.（For
Gather brain electric analoging signal）.
As another preferred scheme of the present utility model, the bluetooth module also includes Bluetooth antenna, the WiFi moulds
Block also includes WiFi antennas；The bluetooth module is connected with the Bluetooth antenna, the WiFi module and the WiFi antennas phase
Even.
As another preferred scheme of the present utility model, described power module include power management chip, with it is described
The rechargeable battery and low pressure difference linearity stabilizer of power management chip connection.
As another preferred scheme of the present utility model, the bluetooth module, the WiFi module are integrated in same PCB
On plate, the Bluetooth antenna, the WiFi antennas are the same antenna.
As another preferred scheme of the present utility model, described acquisition module, EEG Processing module, master control mould
Block, power module, WiFi module and bluetooth module, which are fixed on one, can wear on the elastic webbing of patient head；And acquisition module
Four patch electrodes are placed in the same side of elastic webbing, EEG Processing module, main control module, power module, WiFi module and
Bluetooth module is fixed inside the elastic webbing.
The utility model beneficial effect compared with prior art.
The utility model uses modularized design, convenient dismounting, replacing component.The person that can cause anaesthesia depth detection is not
Need connecting wire to obtain EEG signals, save the inconvenience that the wire of conventional detection devices is brought, can be by the electric number of many human brains
Focused on according to transmitting to computer installation, be convenient to many people of CICU and monitor in real time, and saved cost.
The signal processing module that the utility model is set, because EEG signals are very faint, therefore needs the amplification and filter of signal
Ripple processing；Signal processing module in the design includes multistage amplifier circuit and multiple wave filters, meets follow-up main control module
Further processing, it is to avoid single-stage amplifies the imbalance of brought amplifier in itself and serious distortion.From low pass filter, high pass filter
Ripple device and power frequency notch filter are filtered processing come the noise to different frequency, interference.
Monitoring device described in the utility model has two kinds of wireless communication modes, radio communication and bluetooth based on wifi
Radio communication, can meet the different of a variety of receiving terminals and receive request.And receiving terminal can pass through indigo plant according to actual conditions selection
One of tooth circuit, WiFi circuitry enter row data communication with communication terminal and telecommunication circuit, and selection operation is convenient.So that receiving eventually
End is in the case of without WiFi, it is possible to use bluetooth is monitored.
In addition, the Bluetooth antenna, the WiFi antennas are and the same antenna.Economize on resources, it is compact to design.
Brief description of the drawings
The utility model is described further with reference to the accompanying drawings and detailed description.The utility model protection domain
It is not only limited to the statement of herein below.
Fig. 1 is the utility model theory diagram.
Fig. 2 is the utility model preamplifier circuit figure.
Fig. 3 is the utility model second level amplification circuit diagram.
Fig. 4 is the utility model low-pass filter circuit figure.
Fig. 5 is the utility model 50Hz notch filter circuit figures.
Embodiment
As shown in figure 1, the utility model includes acquisition module, signal processing module, main control module, power module, WiFi
Module and bluetooth module.
The output end of the acquisition module is connected with the input of EEG Processing module, EEG Processing module
Output end is connected with the analog-to-digital conversion mouthful of main control module, and main control module is realized with WiFi module and bluetooth module respectively by serial ports
Communication connection；The power module is connected with main control module, and power module is WiFi module, bluetooth module by a toggle switch
One of them power supply；The first port of the toggle switch is connected with the bluetooth module, the second port of the toggle switch
It is connected with the WiFi module.
Described EEG Processing module is by preamplifier, high-pass filter, second level amplifier, LPF
Device, power frequency notch filter, third level amplifier are constituted；The input of the preamplifier is connected with signal acquisition module, preposition
The output end of amplifier is connected with the input of high-pass filter, the output end of high-pass filter and the input of second level amplifier
End is connected, and the output end of second level amplifier is connected with the input of low pass filter, the output end and power frequency of low pass filter
The input of trapper is connected, and the output end of power frequency notch filter is connected with the input of third level amplifier, third level amplifier
Output end be connected with main control module.
Described main control module uses single-chip microcomputer for main control chip.
Described acquisition module is made up of four patch electrodes.（For gathering brain electric analoging signal）
The bluetooth module also includes Bluetooth antenna, and the WiFi module also includes WiFi antennas；The bluetooth module with
The Bluetooth antenna is connected, and the WiFi module is connected with the WiFi antennas.
Described power module includes power management chip, the rechargeable battery that is connected with the power management chip and low
Pressure difference linear stable device.Because power module and its circuit belong to this area conventional meanses, it is not added with repeating herein.
The bluetooth module, the WiFi module are integrated on same pcb board, the Bluetooth antenna, the WiFi antennas
For the same antenna.
The preamplifier circuit as shown in Fig. 2 bio signal detection in, preamplifier it is extremely important, it is necessary to
Measured signal is extracted from a large amount of interference.Preamplifier performance will significantly influence the processing of follow-up signal, it is desirable to the level
Circuit has high input impedance, high cmrr, low noise.In the present embodiment, the chip U1 of preamplifier chooses difference
Input mode AD620, it has higher common-mode rejection ratio, there is higher inhibitory action to common mode disturbances.
The high-pass filter selects RC passive high three-way filters, for isolating polarizing voltage, eliminates interference.RC is passive
High-pass filter is this area routine techniques, is not added with repeating herein.
The second level amplifying circuit is as shown in figure 3, U2:A uses operational amplifier OP482GP, to reduce distortion, second
The gain of level amplifying circuit is unsuitable excessive, it is preferable that can choose 100 times,（I.e. R6 resistances are 99K, and R4 resistances are 1K）.
The low-pass filter circuit is as shown in figure 4, U2:B and U2:C uses operational amplifier OP482GP, although brain electricity
Signal can reach 100Hz, but most of frequencies are all concentrated within 35Hz, and subsequent analysis is mainly to the non-of EEG signals
Linear analysis, so, low pass filter cutoff frequency is designed as 35Hz or so, using 4 rank Butterworth filters.
The 50Hz notch filter circuits are as shown in figure 5, U3:A and U3:B uses operational amplifier OP482GP, using civil power
Power supply is to receive 50Hz Hz noises, the bio signal of collection is submerged in interference, to eliminate Hz noise, increases work
Frequency trapper.
The third level amplifier, U3:C can realize enlarging function using AD620 chips, the amplification being made up of AD620
Device belongs to conventional meanses, is not added with repeating.The signal exported after multistage amplification filtering is carried out to the A/D of next step for rear class main control module
Conversion process.
The toggle switch is used to select one and communication terminal and telecommunication circuit in Bluetooth circuit or WiFi circuitry
Enter row data communication.Specifically, the first port of the toggle switch is connected with the Bluetooth circuit, the of the toggle switch
Two-port netwerk is connected with the WiFi circuitry, and the toggle switch is also connected with the power circuit；The power circuit passes through institute
It is the power supply of one of Bluetooth circuit, WiFi circuitry to state toggle switch.
By stirring the toggle switch power circuit can be made to be connected with Bluetooth circuit, connect disconnected with WiFi circuitry
Open, the power circuit is that the Bluetooth circuit is powered by the toggle switch；Or, made by stirring the toggle switch
The power circuit is connected with WiFi circuitry, disconnected with Bluetooth circuit, and the power circuit is WiFi by the toggle switch
Circuit is powered.User can pass through one of Bluetooth circuit, WiFi circuitry and communication terminal and the electricity that communicates according to actual conditions selection
Row data communication is entered on road, and selection operation is convenient.
The bluetooth module, the WiFi module can be integrated in same pcb board, the Bluetooth antenna, the WiFi
Antenna is and the same antenna.Economize on resources, it is compact to design.
It is preferred that, the WiFi module receives WiFi signal using 2.4GWiFi antennas, and achievable WiFi turns serial ports TTL,
Full duplex, transparent transmission mode of operation, can be connected with the WiFi module of Android or iOS system, realize the WiFi circuitry with
The WiFi data transmission of real-time stabilization between the communication terminals such as mobile phone.
It is preferred that, the bluetooth module receives Bluetooth signal by 2 .4G Bluetooth antennas, realizes that bluetooth turns serial ports TTL, entirely
Duplex, transparent transmission mode of operation, can be connected with the bluetooth 2.0 of android system or the bluetooth 4.0 of iOS system, realize described
The Bluetooth data transfer of real-time stabilization between the communication terminal such as Bluetooth circuit and mobile phone.
It is preferred that, described acquisition module, EEG Processing module, main control module, power module, WiFi module and indigo plant
Tooth module, which is fixed on one, can wear on the elastic webbing of patient head；And four patch electrodes of acquisition module are placed in elastic webbing
The same side, EEG Processing module, main control module, power module, WiFi module and bluetooth module are fixed at the elastic webbing
It is internal.
It is understood that specifically described above with respect to of the present utility model, be merely to illustrate the utility model and not
The technical scheme described by the utility model embodiment is limited to, it will be understood by those within the art that, still can be with
The utility model is modified or equivalent substitution, to reach identical technique effect；As long as satisfaction uses needs, all in this reality
Within new protection domain.
Claims (7)
1. anesthesia depth monitor, including acquisition module, EEG Processing module, main control module, power module, WiFi moulds
Block and bluetooth module；Characterized in that, the output end of the acquisition module is connected with the input of EEG Processing module, brain
The analog-to-digital conversion mouthful of the output end of electronic signal processing module and main control module is connected, main control module by serial ports respectively with WiFi moulds
Block and bluetooth module realize communication connection；The power module is connected with main control module, and power module is by a toggle switch
One of WiFi module, bluetooth module are powered；The first port of the toggle switch is connected with the bluetooth module, described group
The second port of code switch is connected with the WiFi module；
Described EEG Processing module is by preamplifier, high-pass filter, second level amplifier, low pass filter, work
Frequency trapper, third level amplifier are constituted；The input of the preamplifier is connected with signal acquisition module, preamplifier
Output end be connected with the input of high-pass filter, the output end of high-pass filter and the input phase of second level amplifier
Even, the output end of second level amplifier is connected with the input of low pass filter, the output end and notch filter of low pass filter
The input of device is connected, and the output end of power frequency notch filter is connected with the input of third level amplifier, third level amplifier it is defeated
Go out end with main control module to be connected.
2. anesthesia depth monitor according to claim 1, it is characterised in that：The main control module use single-chip microcomputer for
Main control chip.
3. anesthesia depth monitor according to claim 1, it is characterised in that：Described acquisition module is by four pasters
Electrode is constituted.
4. anesthesia depth monitor according to claim 1, it is characterised in that：The bluetooth module also includes bluetooth day
Line, the WiFi module also includes WiFi antennas；The bluetooth module is connected with the Bluetooth antenna, the WiFi module and institute
WiFi antennas are stated to be connected.
5. anesthesia depth monitor according to claim 4, it is characterised in that：The bluetooth module, the WiFi moulds
Block is integrated on same pcb board, and the Bluetooth antenna, the WiFi antennas are the same antenna.
6. anesthesia depth monitor according to claim 1, it is characterised in that：Described power module includes power supply pipe
Reason chip, the rechargeable battery and low pressure difference linearity stabilizer that are connected with the power management chip.
7. anesthesia depth monitor according to claim 1, it is characterised in that：Described acquisition module, EEG signals
Processing module, main control module, power module, WiFi module and bluetooth module, which are fixed on one, can wear the elastic webbing in patient head
On；And four patch electrodes of acquisition module are placed in the same side of elastic webbing, EEG Processing module, main control module, power supply
Module, WiFi module and bluetooth module are fixed inside the elastic webbing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621251052.7U CN206576860U (en) | 2016-11-22 | 2016-11-22 | Anesthesia depth monitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621251052.7U CN206576860U (en) | 2016-11-22 | 2016-11-22 | Anesthesia depth monitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206576860U true CN206576860U (en) | 2017-10-24 |
Family
ID=60109185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621251052.7U Expired - Fee Related CN206576860U (en) | 2016-11-22 | 2016-11-22 | Anesthesia depth monitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206576860U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108536065A (en) * | 2018-04-18 | 2018-09-14 | 中原工学院 | A kind of electronic equipment |
| CN113274034A (en) * | 2021-05-21 | 2021-08-20 | 李宏明 | Centralized anesthesia degree of depth monitoring system of many collection nodes |
| CN113274035A (en) * | 2021-05-21 | 2021-08-20 | 李宏明 | Anesthesia depth monitoring system with wireless transmission function |
| CN113425309A (en) * | 2021-05-21 | 2021-09-24 | 重庆玺德尔医疗器械有限公司 | Anesthesia depth monitoring system |
-
2016
- 2016-11-22 CN CN201621251052.7U patent/CN206576860U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108536065A (en) * | 2018-04-18 | 2018-09-14 | 中原工学院 | A kind of electronic equipment |
| CN113274034A (en) * | 2021-05-21 | 2021-08-20 | 李宏明 | Centralized anesthesia degree of depth monitoring system of many collection nodes |
| CN113274035A (en) * | 2021-05-21 | 2021-08-20 | 李宏明 | Anesthesia depth monitoring system with wireless transmission function |
| CN113425309A (en) * | 2021-05-21 | 2021-09-24 | 重庆玺德尔医疗器械有限公司 | Anesthesia depth monitoring system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171024 Termination date: 20181122 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |