CN2255820Y - Diagnosing instrument for oral blocking pressure - Google Patents
Diagnosing instrument for oral blocking pressure Download PDFInfo
- Publication number
- CN2255820Y CN2255820Y CN 96228218 CN96228218U CN2255820Y CN 2255820 Y CN2255820 Y CN 2255820Y CN 96228218 CN96228218 CN 96228218 CN 96228218 U CN96228218 U CN 96228218U CN 2255820 Y CN2255820 Y CN 2255820Y
- Authority
- CN
- China
- Prior art keywords
- foot
- pressure sensor
- gas pressure
- bus
- microcomputer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Measuring Fluid Pressure (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The utility model discloses a diagnosing instrument for oral blocking pressure, which is characterized in that an input port P2 of a gas pressure sensor (S) is communicated with one end of a three-way pipe Tb; the other two ends of the three-way pipe Tb are respectively provided with a regulating valve T and a joint nozzle J; the output end of the gas pressure sensor (S) is connected with the input end of an amplifier; the output end of the amplifier is connected with a microcomputer PC after passing through a CHO passageway of a PC conversion board A/D. The utility model has the advantages of high sensitivity, high precision, and simple structure, and the utility model is easy to establish accepted diagnosing method and normal value standard on the basis of the utility model.
Description
This utility model belongs to the medical equipment technical field, is specially a kind of mouth occlusion pressure analyzer.
It is an important indicator of reflection respiratory center driving level that the blocking-up of door chamber is pressed, measure the diagnosis of mouth occlusion pressure accurately for the many-sided disease of respiratory center, medication, clinical research has crucial meaning, but do not find a kind of specialized equipment of measuring this index as yet in the society at present, in order to adapt to the needs of clinical diagnosis and research, people have to take the method for indirect determination, (as adopting the mechanical respirator assay method), though this method can be compressed into row to the oral cavity blocking-up and measure, but result that it records and actual value have bigger gap, often can not be with this foundation as the diagnosis and the research of disease, more can not set up generally acknowledged assay method and normal value standard, therefore influence the application of mouth occlusion pressure with this.
Task of the present utility model is to provide a kind of highly sensitive, novel mouth occlusion pressure analyzer that accuracy is strong, simple in structure, practical, so that can set up generally acknowledged assay method and normal value standard on this basis, promote that the application of mouth occlusion pressure is popularized, make it aspect scientific research and clinical practice, bring into play due effect altogether.
Task of the present utility model takes following scheme to realize:
Accompanying drawing 1 has provided electric theory structure sketch map of the present utility model;
Accompanying drawing 2 has provided the structural representation of host panel of the present utility model.
In accompanying drawing 1, S is the 0-10KP monolithic temperature-compensating silicon pressure sensor that gas pressure changes sensor, employing MOTORLA, P
1And P
2For pressure input port, the Tb of gas pressure sensor S be T type threeway sleeve pipe, IC adopt model be 7650 low drift amplifier integrated circuit, A/D adopt A/D574PC machine change-over panel ,+VDD for+5V power supply ,-V
DDBe-5V power supply, R
1-R
4Be resistor, C
1-C
3For capacitor, J are that interface is difficult to articulate, T is control valve, PC is that 386 microcomputers, the CHO of standard is the CHO passage of A/D conversion version, and PC-BUS is the PC bus.
In accompanying drawing 2, N is the control button, comprise the selection sample frequency control button/S that is connected with microcomputer CP, printer start-up control button PRINT, parameter input control button AGE, SEX, HIGH, WEIGHT, startup controlling of sampling button START, video data page turning control button DOWN, UP, W are figure and the data show window that printer, Ph and M are respectively display.
With reference to the accompanying drawings 1, the pressure input port P of gas pressure sensor S1Be connected with atmosphere, its P2Be connected with the end of tee-joint sleeve Tb, the other two ends of tee-joint sleeve Tb are respectively arranged with control valve T and the interface J that is difficult to articulate, the 3rd pin of gas pressure sensor S and the 1st pin are connected with common ground with+5V power supply respectively, the output the 4th of gas pressure sensor S is connected with positive input terminal the 5th pin with negative input end the 4th pin of amplifier integrated circuit IC respectively with the 2nd pin, and the 1st pin of IC is by capacitor C1Rear be connected with the 8th pin of IC and pass through capacitor C2Be connected with the 2nd pin of IC afterwards, the 11st pin of IC and the 7th pin are connected with-5V power supply with+5V respectively, and output the 10th pin of amplifier integrated circuit IC is by resistor R3The input of rear and A/D conversion version CHO passage 1 is connected and passes through capacitor C mutually3Be connected with common ground afterwards, output the 4th pin of gas pressure sensor S passes through by resistor R2And R4Link to each other with common ground behind the series circuit that forms Connect, A/D conversion version is connected with microcomputer PC by PC Bus PC-BUS, and PC also Dispose printer W and the display that comprises graphical display window Ph and data display window M.
With reference to the accompanying drawings 2, be provided with logical at the utility model diagnosing instrument for oral blocking pressure host machine casing panel Cross the printer W that the PC bus is connected with microcomputer PC and comprise graphical display window Ph and data aobvious Show the display of window M and comprise START ,/S, PRINT, AGE, SEX, HIGH, WEIGHT, DOWN, UP are at interior control button N.
Below will be described as follows work process of the present utility model with reference to the accompanying drawings:
When using this utility model, set the pressure input port P of gas pressure sensor S
1, P
2Value negative air-breathing be on the occasion of, at this moment press the START button and start sampling, by selecting sample frequency control button/S to choose after the sample frequency interface is difficult to articulate J to place the oral cavity to breathe the position, the testee begins to exhale by meeting the door J that is difficult to articulate, open control valve T, close control valve T the period of the day from 1 p.m. to 3 p.m. when exhaling to calmness, at this moment, P
1And P
2The pressure of mouth equates that the voltage output signal of gas pressure sensor S is O, when the testee is air-breathing, and P
1And P
2Mouth produces the pressure differential that constantly changes, make the voltage output end of gas pressure sensing S that the voltage output signal of continuous variation be arranged, this signal is sent into A/D conversion version and according to selected sample frequency continuous sampling after amplifying, then the frequency data of gathering are changed into actual pressure data (Kpa) are delivered to figure then and data window shows after by MICROCOMPUTER PROCESSING, and come out by printer prints.People can research and analyse by the data that show and print.
The utility model has the characteristics of following demonstration:
1, the utility model has adopted the special gas pressure sensor with higher sensitivity, and passes through T-shaped tee-joint sleeve directly is difficult to articulate with interface and is connected, so overcome sensor and signal acquisition point distance Remote defective, thus the mensuration precision improved;
2, the whole data collection process is controlled by microcomputer, has avoided the deviation of artificial control, has further improved the mensuration precision;
3, when A/D conversion version converts the pressure signal that collects to digital signal input microcomputer, can with blocking-up be pressed with the pass parameter (as make in year, sex, height, body weight etc.) the input microcomputer, and carry out standardization with measurement result;
4, the utlity model has simple in structure, price is low, volume is little, easy to operate, precision is high, the characteristics that are easy to make.
In sum, can effectively realize task of the present utility model, for society provides a kind of novel mouth occlusion pressure analyzer.
Claims (4)
1, a kind of mouth occlusion pressure analyzer comprises gas pressure sensor S, threeway sleeve pipe Tb, amplifier integrated circuit IC, resistor R
1-R
4, capacitor C
1-C
3, A/DPC machine conversion version, interface be difficult to articulate J, control valve T, 386 microcomputer PC, PC Bus PC-BUS, control button N, printer W, display Ph and M, it is characterized in that: the pressure input port P of gas pressure sensor S
1Be connected with atmosphere, its P
2Be connected with the end of threeway sleeve pipe Tb, the other two ends of threeway sleeve pipe Tb are respectively arranged with control valve T and the interface J that is difficult to articulate, the 3rd foot of gas pressure sensor S and the 1st foot are connected with common ground with+5V power supply respectively, the outfan the 4th of gas pressure sensor S is connected with positive input terminal the 5th foot with negative input end the 4th foot of amplifier integrated circuit IC respectively with the 2nd foot, and the 1st foot of IC is by capacitor C
1The back is connected with the 8th foot of IC and passes through capacitor C
2The back is connected with the 2nd foot of IC, and the 11st foot of IC and the 7th foot are connected with-5V power supply with+5V respectively, and outfan the 10th foot of amplifier integrated circuit IC passes through resistor R
3The back is connected with the input of A/D conversion version CHO passage and passes through capacitor C
3The back is connected with common ground, and outfan the 4th foot of gas pressure sensor S passes through by resistor R
2And R
4Be connected with common ground behind the series circuit of forming, A/D conversion version is connected with microcomputer PC by PC Bus PC-BUS.
2, mouth occlusion pressure analyzer according to claim 1 is characterized in that said microcomputer PC also disposes printer W and the display that comprises graphical display window Ph and data show window M.
3, mouth occlusion pressure analyzer according to claim 1, it is characterized in that said microcomputer PC by coupled the having of PC bus comprise START ,/the control button N of S, PRINT, AGE, SEX, HIGH, WEIGHT, DOWN, UP.
4, according to claim 1,2,3 described mouth occlusion pressure analyzers, it is characterized in that the said display that comprises graphical display window Ph and data show window M and comprise START ,/the control button N of S, PRINT, AGE, SEX, HIGH, WEIGHT, DOWN, UP is arranged on the host machine casing panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96228218 CN2255820Y (en) | 1996-07-03 | 1996-07-03 | Diagnosing instrument for oral blocking pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96228218 CN2255820Y (en) | 1996-07-03 | 1996-07-03 | Diagnosing instrument for oral blocking pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2255820Y true CN2255820Y (en) | 1997-06-11 |
Family
ID=33906152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96228218 Expired - Fee Related CN2255820Y (en) | 1996-07-03 | 1996-07-03 | Diagnosing instrument for oral blocking pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2255820Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103153173A (en) * | 2010-10-04 | 2013-06-12 | 株式会社Jms | Device for measuring oral cavity pressure, pressure measuring probe |
-
1996
- 1996-07-03 CN CN 96228218 patent/CN2255820Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103153173A (en) * | 2010-10-04 | 2013-06-12 | 株式会社Jms | Device for measuring oral cavity pressure, pressure measuring probe |
| CN103153173B (en) * | 2010-10-04 | 2016-03-23 | 株式会社Jms | Oral cavity correlation pressure determinator and piezometry probe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |