CN2852936Y - Non-invasive detection analyzer of intracranial pressure - Google Patents
Non-invasive detection analyzer of intracranial pressure Download PDFInfo
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- CN2852936Y CN2852936Y CN 200520010602 CN200520010602U CN2852936Y CN 2852936 Y CN2852936 Y CN 2852936Y CN 200520010602 CN200520010602 CN 200520010602 CN 200520010602 U CN200520010602 U CN 200520010602U CN 2852936 Y CN2852936 Y CN 2852936Y
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- evoked potential
- visual evoked
- intracranial pressure
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- control box
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Abstract
The utility model discloses a non-traumatic analyzer for the detection of the intracranial pressure, which comprises a computer and a display unit, a flashing eyeshade, collecting electrodes, and a signal smoothing of the visual evoked potential as well as boxes for enlarging adjustment and transmission control. The collecting electrode and the flashing eyeshade are connected with the signal smoothing of the visual evoked potential and the boxes for enlarging adjustment and transmission control through electric connecting lines and lines of flashing stimulus control. The signal adjustment and smoothing of the visual evoked potential and the control box for transmission are connected with the computer through PCI bus. The utility model has the advantages of high precision, strong power against interference, convenience for upgrading, lower cost and high intelligence. The utility model also has the functions of realizing the long-range detection, diagnosis and consultation of the intracranial pressure.
Description
Technical field
This utility model relates to a kind of intracranial pressure noinvasive check and analysis instrument, more particularly, relates to the intracranial pressure noinvasive check and analysis instrument that is connected communication by pci bus with computer, belongs to the armarium technical field.
Background technology
Intracranial pressure is an important indicator of reflection brain function state.Whether normal, be the direct foundation of correctly diagnosis of medical department, active treatment and therapeutic evaluation if in time, accurately detecting patient's intracranial pressure.Traditional intracranial pressure detection method is worn method or is opened the cranium manometry as waist for the wound method is arranged, owing to not only cerebral tissue is had certain damage, and may cause accompanying infection, and also medical expense is higher, and clinical practice is subjected to great limitation.Therefore, detect the noinvasive detection technique of the intracranial pressure of principle arises at the historic moment based on difference, as based on transcranial doppler (TransCranial Doppler, the noinvasive of intracranial hypertension TCD) detects, intracranial mesohigh based on the positive correlation of preclinical variation of the N2 of flash visual evoked potential and intracranial pressure detects, based on tympanum displacement method (tympanic membrane displacement, TMD) low intracranial pressure detects and based on bregma pressure measurement (Anterior Fontanel Pressure, AFP) intracranial pressure that is applicable to neonate and infant of method detects, and the intracranial pressure noinvasive detection method of different principle respectively has its pluses and minuses and the scope of application.01135697.9 " non-wound intracrenial pressure monitor ", 02104049.4 disclosed intracranial pressure noinvasive detection techniques such as " a kind of intra cranial pressure measurers " as the Chinese patent bulletin.But prior art has the following disadvantages: (1) price is relatively costly, and hardware is formed complicated; (2) signal processing method is more simple, and instrument repeatability degree is not high, needs the manual intervention diagnostic result; (3) based on dos operating system; (4) robustness of the intracranial hypertension situation that various disease is caused is not strong; (5) the open degree of instrument is not enough, information management and ability to exchange a little less than.
The content of utility model
At the prior art above shortcomings, this utility model purpose is to provide a kind of precision height, capacity of resisting disturbance is strong, cost is low, intelligent degree is high intracranial pressure noinvasive check and analysis instrument.
The purpose of this utility model is achieved in that intracranial pressure noinvasive check and analysis instrument, comprises computer and display thereof, flash of light eyeshield and acquisition electrode, also comprises the visual evoked potential signal filtering, amplifies conditioning and transmission control box; Acquisition electrode is connected with visual evoked potential signal filtering, amplification conditioning and transmission control box by electrode connecting line, flash stimulation control line respectively with the eyeshield that glistens, and visual evoked potential signal filtering, amplification are nursed one's health and transmitted control box and be connected with computer by the PCI connection cord.
Described visual evoked potential signal filtering, amplify conditioning and transmission control box comprise the gang socket that links to each other with acquisition electrode, the flash of light of control flash of light eyeshield gang socket, isolate the terminal board of amplification conditioning module, 68 pins and be used for to amplifying circuit powered switch power supply.Amplification conditioning module in the described visual evoked potential signals collecting control box adopts isolated amplifying circuit to adopt the amplification modulate circuit of the PRE-ISO.VEP 50 μ V of Beijing auspicious cloud Computer Company production, and passes through terminal board CB-68LP and the PCI cable and the computer communication of 68 pins.
This utility model is based on the preclinical variation of N2 of flash visual evoked potential and the positive correlation of intracranial pressure, and the MICP intracranial pressure noinvasive check and analysis instrument that provides, visual evoked potential acquisition controlling box carries out communication by PCI communication cable RC68-68, data collecting card PCI-6221 and pci bus and computer, to be sent to computer after treatment by the signal that acquisition electrode transmits, utilize Windows operating system, mix the software of the be independent of MICP intracranial pressure noinvasive check and analysis instrument peripheral hardware operation that realizes with modular mode, make it have following advantage:
(1) utilizes multifunctional data acquiring equipment PCI-6221, make system realize better calibration, thereby reach higher precision; (2) adopt isolated amplification conditioning module, improved the ability and the capacity of resisting disturbance of visual evoked potential acquisition controlling box processing visual evoked potential data; (3) software and hardware separation, convenient upgrading; (4) software can be used as the stand-alone program use, is used for calculating and detection, remote detection and the consultation of doctors with visual evoked potential data readback, medical record management, patient information inquiry, intracranial pressure; (5) can cooperate abundant software kit, realize the time-domain analysis of visual evoked potential data, frequency-domain analysis, frequency band extracts, and each ripple is preclinical to obtain automatic calculating with the intracranial pressure value, functions such as computer-aided diagnosis automatically; (6) patient's visual evoked potential record can be done to preserve for a long time in hard disk, and also can transcribing imprints CDs does nonvolatil preservation; (7) can the network savvy by computer realize remote detection, diagnosis and the consultation of doctors of intracranial pressure.(8) simple in structure, cost is lower.
Description of drawings
Fig. 1 is this utility model structural representation;
Fig. 2 is each ingredient position view of visual evoked potential signal filtering of the present utility model, amplification conditioning and transmission control box;
Fig. 3 is a concrete connection diagram of the present utility model.
Specific embodiments
As shown in Figure 1, intracranial pressure noinvasive check and analysis instrument of the present utility model mainly comprises computer 5 and display 6 thereof, flash of light eyeshield 7 and acquisition electrode 1, also comprises visual evoked potential signal condition, filtering and transmission control box 3; Acquisition electrode 1 is connected with visual evoked potential signal condition, filtering and transmission control box 3 by electrode connecting line 2, flash stimulation control line 8 respectively with flash of light eyeshield 7, and visual evoked potential signal filtering, amplification conditioning and transmission control box 3 are connected with computer 5 by PCI connection cord 4.Described flash of light eyeshield 7 is made up of two groups of light emitting diode matrixs, can be controlled it by data collecting card by the software of intracranial pressure noinvasive check and analysis instrument, make its according to the frequency scintillation of setting to obtain flash stimulation.The flash of light eyeshield can adopt the present product of prior art to get final product.
As shown in Figure 2, visual evoked potential signal filtering of the present utility model, amplification are nursed one's health and transmission control box 3 inside comprise: gang socket 11, the isolation that the gang socket 10 that links to each other with acquisition electrode, control flash of light eyeshield glisten amplified the terminal board 13 of conditioning module 12,68 pins and is used for to amplifying circuit powered switch power supply 14 and display lamp 15.
Concrete structure is as follows: the amplification module in the visual evoked potential signals collecting control box 3 adopts isolated amplifying circuit (adopting the amplification modulate circuit of the PRE-ISO.VEP 50 μ V of Beijing auspicious cloud Computer Company production), and passes through terminal board CB-68LP (NI of American National instrument company production) and the PCI cable and the computer communication of 68 pins; The PCI-6221 that described data collecting card adopts the American National NI of instrument company to produce.The terminal board CB-68LP and the PCI communication cable RC68-68 that are connected 68 pins of producing by American National instrument company between described visual evoked potential signals collecting control box 3 and the described data collecting card realize.
This utility model circuit block diagram as shown in Figure 3.Intracranial pressure noinvasive check and analysis instrument comprises the visual evoked potential signals collecting control box that can connect acquisition electrode, and it has two visual evoked potentials to amplify conditioning module, the visual evoked potential signal can be amplified to the voltage range that is fit to the data acquisition unit input; The terminal board that also has the data collecting card of one 68 pin in addition links to each other with data acquisition unit in being inserted in the computer PCI slot by the PCI communication cable.
During use, 4 acquisition electrodes (can use general bridge-type electrode or circular electrode in the existing electroencephalogram detection) are placed on patient's glabella respectively as ground electrode, forehead hairline place is as the reference electrode, and is placed in occipital bone place, the left and right sides and is used for extracting the visual evoked potential signal.Glisten to give pathways for vision with certain flash stimulation FREQUENCY CONTROL flash of light eyeshield then with flash stimulation, the visual evoked potential signal that collects from occipital bone passes through the filtering of visual evoked potential signals collecting control box, after selecting to amplify, by terminal board and PCI communication cable signal is sent to the data collecting card that is inserted in the computer PCI slot and is converted to digital quantity, after computer carries out further digital filtering processing with the visual evoked potential data that receive, the result is presented on the display, also can be kept in the hard disk of computer, demonstrate intracranial pressure noinvasive detected value simultaneously.
Computer software of the present utility model partly works in the Windows operating system platform of Microsoft, adopts the programming of visual c++ 6.0 programming languages, can work under the operating system platform of Windows 2000/XP/NT and later release.As software section of the present utility model, allow it to break away from hardware components independent operating of the present utility model.By the network savvy of computer, can realize the remote detection and the networking consultation of doctors of patient's intracranial pressure.
Claims (4)
1, intracranial pressure noinvasive check and analysis instrument comprises computer (5) and display (6) thereof, flash of light eyeshield (7) and acquisition electrode (1), it is characterized in that: also comprise the visual evoked potential signal filtering, amplify conditioning and transmission control box (3); Acquisition electrode (1) is connected with transmission control box (3) with visual evoked potential signal filtering, amplification conditioning by electrode connecting line (2), flash stimulation control line (8) respectively with flash of light eyeshield (7), and visual evoked potential signal condition, filtering and transmission control box (3) are connected with computer (5) by PCI connection cord (4).
2, intracranial pressure noinvasive check and analysis instrument according to claim 1 is characterized in that: described visual evoked potential signal filtering, amplify conditioning and transmission control box (3) comprise the gang socket (10) that links to each other with acquisition electrode, the flash of light of control flash of light eyeshield gang socket (11), isolate amplification conditioning module (12), 68 pins terminal board (13), be used for to amplifying circuit powered switch power supply (14) and display lamp (15).
3, intracranial pressure noinvasive check and analysis instrument according to claim 1 and 2, it is characterized in that: the amplification conditioning module in the described visual evoked potential signals collecting control box (3) adopts the isolated amplification modulate circuit of the PRE-ISO.VEP50 μ V of Beijing auspicious cloud Computer Company production, and passes through terminal board CB-68LP and the PCI cable and the computer communication of 68 pins.
4, intracranial pressure noinvasive check and analysis instrument according to claim 3, it is characterized in that: the PCI-6221 that the used data collecting card of conditioning module adopts American National instrument company to produce is amplified in described isolation, and connection between the two realizes by the terminal board CB-68LP and the PCI communication cable RC68-68 of 68 pins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520010602 CN2852936Y (en) | 2005-12-22 | 2005-12-22 | Non-invasive detection analyzer of intracranial pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520010602 CN2852936Y (en) | 2005-12-22 | 2005-12-22 | Non-invasive detection analyzer of intracranial pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2852936Y true CN2852936Y (en) | 2007-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520010602 Expired - Fee Related CN2852936Y (en) | 2005-12-22 | 2005-12-22 | Non-invasive detection analyzer of intracranial pressure |
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| CN (1) | CN2852936Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103610455A (en) * | 2013-10-17 | 2014-03-05 | 中国人民解放军成都军区总医院 | Device for detecting intracranial pressure |
| CN104825151A (en) * | 2015-05-26 | 2015-08-12 | 云南大学 | Handheld non-invasive intracranial pressure detecting device for decompressive craniectomy postoperation |
-
2005
- 2005-12-22 CN CN 200520010602 patent/CN2852936Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103610455A (en) * | 2013-10-17 | 2014-03-05 | 中国人民解放军成都军区总医院 | Device for detecting intracranial pressure |
| CN103610455B (en) * | 2013-10-17 | 2015-09-23 | 中国人民解放军成都军区总医院 | A kind of device detected for intracranial pressure |
| CN104825151A (en) * | 2015-05-26 | 2015-08-12 | 云南大学 | Handheld non-invasive intracranial pressure detecting device for decompressive craniectomy postoperation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070103 Termination date: 20131222 |