CN200963129Y - Gastric juice bile counter flowing monitor - Google Patents
Gastric juice bile counter flowing monitor Download PDFInfo
- Publication number
- CN200963129Y CN200963129Y CN 200620027369 CN200620027369U CN200963129Y CN 200963129 Y CN200963129 Y CN 200963129Y CN 200620027369 CN200620027369 CN 200620027369 CN 200620027369 U CN200620027369 U CN 200620027369U CN 200963129 Y CN200963129 Y CN 200963129Y
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- optical
- system controller
- transmitting set
- gastric juice
- bile
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Abstract
The utility model relates to a gastric juice and bile reflux monitoring instrument, in particular having the technology of data acquisition, data processing and system control for monitoring the gastric juice and bile reflux with optical fiber detection, which can be used for measuring and recording the gastric juice and bile concentration, the bile reflux time and bile reflux strength in digestive tract, has auxiliary effect in the treatment of the diseases related to bile regurgitation, and belongs to the technical field of medical and electronic instrument. The gastric juice and bile reflux monitoring instrument of the utility model comprises the main parts of an optical emitter, an optical receiver, a optical fiber, a probe, an modulus conversion circuit, a system controller, a memory, a display, a communication controller and a keyboard, making up a system device, which can quantitatively and accurately measure the situation of bile reflux in 48 hours in human body, has important auxiliary effect in the treatment of the esophageal reflux diseases, and can provide reliable diagnostic basis for doctors.
Description
Technical field
This utility model relates to medical electronic Instrument technology field, particularly carries out the gastric juice and bile regurgitation monitoring apparatus of gastric juice bile reflux by fiber-optic probe.
Background technology
Medical research finds that the esophageal reflux of most of (95% BE patient and 79% GERD patient) is that stomach, duodenum mix anti-stream
[1], duodenum gastroesophageal reflux (DGER) is the important paathogenic factor that causes reflux esophagitis, Barrett ' s esophagus and narrow, ulcer, dysplasia even adenocarcinoma of esophagus
[2], The World Health Organization (WHO) has classified bile reflux as one class carcinogenic factor, but the method for accurate quantification mensuration DGER is not good enough always in human body, does not have similar instrument for clinical use.
The utility model content
To be that exploitation is a kind of can monitor bile reflux in patient's gastric juice to the purpose of this utility model for a long time, and based on the bile regurgitation monitoring device specific wavelength photo-detector, that can gather and handle data monitored.
The technical solution of the utility model:
Gastric juice and bile regurgitation monitoring apparatus comprises optical transmitting set, optical receiver, optical fiber, probe, analog to digital conversion circuit, system controller, memorizer, display, communication controller, keyboard, it is characterized in that the control output signal of said system controller (7) is connected respectively to optical receiver (3), optical transmitting set (9), liquid crystal display (8), memorizer (5) and communication controller (6); The control input signal of said system controller (7) is connected with A/D change-over circuit (4), keyboard 18 and memorizer (5) respectively; Said probe is connected with optical receiver with optical transmitting set (9) by optical fiber (2); Wherein:
Said probe (1) is made up of reflective optical system (10), adapter (11) and optical fiber head (12); Emission light is penetrated by optical fiber head (12), after reflector (10) reflection, enters optical fiber (13) and passes optical receiver (3) back;
Said optical transmitting set (9) is made up of driver (15) and first optical transmitting set (16) and second optical transmitting set (17); The control end of driver (15) is linked system controller (7), accept the instruction of system controller (7) after, drive first optical transmitting set (16) and second optical transmitting set (17) is alternately luminous;
Said optical receiver (3) is made up of photoelectric sensor (14) and amplifier (13); Photoelectric sensor (14) directly with a branch of the linking to each other of optical fiber (2), A/D change-over circuit (4) is linked in the output of amplifier (13);
Said A/D change-over circuit (4) is made up of one 12 A/D converter; The input of A/D change-over circuit (4) is connected on the outfan of the amplifier (13) of optical receiver 3, and outfan is connected on the data input pin of system controller (7);
Said system controller (7) is the MSP430F147 low-power scm.
The beneficial effects of the utility model:
Device of the present utility model can drive the luminescent device of specific wavelength, utilize optical fiber optical signal to be imported patient's gastric area, optical signal is by behind the gastric juice, turn back to the light signal collection circuit of this instrument again through bilirubinic absorption, this instrument will be handled, store and can be input to computer to the signal that collects and carry out after-treatment and do the diagnosis reference for medical personnel.Instrument is made up of optical transmitting set, optical receiver, photoelectric switching circuit, signal analog to digital conversion circuit, system controller, memorizer, display and data communication interface.
1, adopts the optical transmitting set of respective wavelength and the optical receiver of corresponding peaks wavelength according to bilirubinic absorbing wavelength.
2, photoelectric switching circuit, signal analog to digital conversion circuit are realized optical signal is become the signal of telecommunication, and the signal of telecommunication is nursed one's health, and convert digital signal to and store.
3, system controller is the control core of this device, adopts single-chip microcomputer to realize that the emission of light, reception, the conversion of data, storage and transmission all have this controller to finish.
4, display is the human-computer interaction interface of this device, realizes the various functions of system.
Gastric juice and bile regurgitation monitoring apparatus can be as required, realize 24 hours or 48 hours real-time monitoring of patient's bile reflux, accurate quantification is measured DGER, and the treatment of esophagic reverse-current disease is had important assosting effect, can provide the reliable diagnostic foundation for the doctor.
Description of drawings
Fig. 1: monitor system structured flowchart;
Fig. 2: sonde configuration block diagram;
Fig. 3: optical receiver structured flowchart;
Fig. 4: optical transmitting set structured flowchart.
Among the figure: 1. 2. optical fiber, 3. optical receiver 4.A/D change-over circuits, 5. memorizeies, 6. communication controllers, 7. system controllers, 8. liquid crystal displays, 9. optical transmitting sets, 10. probe reflective optical systems, 11. adapters, 12. optical fiber heads, 13. amplifiers, 14. photoelectric sensors, the 15. light emission drivers of popping one's head in, 16. first optical transmitting sets, 17. second optical transmitting sets, 18. keyboards.
The specific embodiment
This gastric juice and bile regurgitation monitoring apparatus, it comprises optical transmitting set, optical receiver, optical fiber, probe, analog to digital conversion circuit, system controller, memorizer, display, communication controller and keyboard etc.Under the control of system controller, can timesharing drive reference light and test light, and write down, store the time and the data of data acquisition:
Probe 1: be made up of reflective optical system 10, adapter 11 and optical fiber head 12, emission light is penetrated by optical fiber head 12, after reflector 10 reflections, enters optical fiber 13 and passes optical receiver 3 back.Adapter 11 guarantees that the distance between reflector 10 and the optical fibre interface 12 is 2 millimeters.
Optical receiver 3: by a peak wavelength is that high sensitivity photosensors 14 and amplifier 13 about 465 nanometers formed, by amplifier 15 output voltage signals; Photoelectric sensor 14 directly links to each other with a branch of of optical fiber 2, and A/D change-over circuit 4 is linked in the output of amplifier 13; In photoelectric sensor 14, the output of photoelectric sensor 14 is changed through the light action of probe reflected back along with light intensity, the signal of telecommunication of this variation outputs to the input of A/D change-over circuit 4 through the amplification of amplifier 13.
A/D change-over circuit 4: the A/D converter by 12 is formed, and can convert 0 to 3.3 volt voltage signal to the digital signal of 000H to FFFH.The input of A/D change-over circuit 4 is connected on the outfan of the amplifier 13 of optical receiver 3, and outfan is connected on the data input pin of system controller 7; Under the control of system controller 7, reference light of every emission or test light all can start an A/D change-over circuit 4 and carry out data transaction, data acquisition and data storage.
Memorizer 5: the FLASH memorizer by a slice 4Mbit is formed; Its data wire directly links to each other with system controller 7 with control line, deposits data or sense data under the control of system controller 7 in.
Communication controller 6: MAX3221 forms by a slice serial communication controller integrated circuit, can be sent to the Monitoring Data of gathering through 24 or 48 hours in the computer, utilizes special-purpose software to handle again; Communication controller 6 adopts simplex mode, and input is connected with system controller, and outfan can be connected with outer computer by 9 needle sockets of standard.
System controller 7: form by single-chip microcomputer or any embedded microprocessor, this programme has adopted MSP430F series CPU to realize, this controller is by external liquid crystal display 8, memorizer 5 constitutes the core of this device, can directly control optical transmitting set 9, optical receiver 3 and communication controller 6 are by setting, control and the human-computer interaction interface of keyboard 18 realizations to complete machine.System controller 7 can be set the interval (4 seconds, 8 seconds, 16 seconds) that adopts by keyboard 18; System controller 7 can be by luminous time and the frequency of optical transmitting set 9 controls; System controller 7 can transmit data to computer by communication controller 6; The data that system controller 7 can obtain gathering by A/D change-over circuit 4, and data storage in memorizer 5; System controller 7 can show current working state by liquid crystal display 8.
Liquid crystal display 8: the low pressure lattice lcd display by a 128*64 is formed, the control line of liquid crystal display 8 and data/address bus are connected to system controller 7, showing current working state and set condition under the control of system controller 7, is gastric juice and bile regurgitation monitoring apparatus work man machine interface.Liquid crystal display 8 can show current working state, also can show current set condition.
Optical transmitting set 9: form by driver 15 and first optical transmitting set 16, second optical transmitting set 17.The control end of driver 15 is linked system controller 7, accept the instruction of system controller 7 after, drive first optical transmitting set 16 or second optical transmitting set 17 is luminous.A working cycle, at first the driven for emitting lights unit 16, and 100us driven for emitting lights unit 17 is again waited in the line data collection of going forward side by side then, carries out data acquisition, and the identical working cycle repeats 20 times at least, asks the meansigma methods of each secondary data to store.Driver 15 adopts the constant-current driving method, and this programme has utilized the MAX1990 circuit to realize.First optical transmitting set 16, second optical transmitting set 17 are packaged together, derive issued light with same optical fiber 2, utilize the timesharing driving method to drive first optical transmitting set 16 respectively and second optical transmitting set, 17, the first optical transmitting sets 16 are used for reference light, second optical transmitting set 17 is used for test.
This utility model gastric juice and bile regurgitation monitoring apparatus passes through following step in use successively:
(1) system powers on;
(2) duty is set: need before the system works to carry out necessary setting by 18 pairs of systems of keyboard, as employing cycle (can select 4 seconds, 8 seconds, 16 seconds etc.), type of work (can select to transmit different functions such as data, memory erase, data monitoring) and current time;
(3) send instruction by system controller 7, interval timing driven luminescence unit 16 and luminescence unit 17 according to configuring make it luminous;
(4) at luminescence unit circuit 16 or in 17 luminous times, start optical receivers 3 by system controller 7, make one of amplifier 13 output and the voltage signal that changes with change in optical signal;
(5) voltage signal that starts 13 outputs of A/D converter 4 pair amplifiers carries out the A/D conversion, and the result who changes is kept in;
(6) at interval, 20 gatherer processes constitute one and gather circulation, and 20 times image data is taken the mean deposits memorizer 5 in, writes down the current time simultaneously at a data acquisition time;
(7) reach 48 hours when work process, system controller 7 prompting monitorings finish, and system is in waiting state;
(8) make system controller 7 send the transmission data command by keyboard 18 inputs, the data in the memorizer 5 can all be sent in the computer;
(9) under the state of system blackout, the data in the memorizer 5 can not lost, and have only with erase command memorizer 5 to be wiped that just can to make memorizer be empty.
Claims (5)
1. gastric juice and bile regurgitation monitoring apparatus, it comprises optical transmitting set, optical receiver, optical fiber, probe, analog to digital conversion circuit, system controller, memorizer, display, communication controller, keyboard, it is characterized in that the control output signal of said system controller (7) is connected respectively to optical receiver (3), optical transmitting set (9), liquid crystal display (8), memorizer (5) and communication controller (6); The control input signal of said system controller (7) is connected with A/D change-over circuit (4), keyboard 18 and memorizer (5) respectively; Said probe is connected with optical receiver with optical transmitting set (9) by optical fiber (2); Wherein:
Said probe (1) is made up of reflective optical system (10), adapter (11) and optical fiber head (12); Emission light is penetrated by optical fiber head (12), after reflector (10) reflection, enters optical fiber (13) and passes optical receiver (3) back;
Said optical transmitting set (9) is made up of driver (15) and first optical transmitting set (16) and second optical transmitting set (17); The control end of driver (15) is linked system controller (7), accept the instruction of system controller (7) after, drive first optical transmitting set (16) and second optical transmitting set (17) is alternately luminous;
Said optical receiver (3) is made up of photoelectric sensor (14) and amplifier (13); Photoelectric sensor (14) directly with a branch of the linking to each other of optical fiber (2), A/D change-over circuit (4) is linked in the output of amplifier (13);
Said A/D change-over circuit (4) is made up of one 12 A/D converter; The input of A/D change-over circuit (4) is connected on the outfan of the amplifier (13) of optical receiver 3, and outfan is connected on the data input pin of system controller (7);
Said system controller (7) is the MSP430F147 low-power scm.
2. gastric juice and bile regurgitation monitoring apparatus according to claim 1 is characterized in that said system controller (7) can be respectively 4 seconds, 8 seconds, 16 seconds by the interval that keyboard (18) setting is adopted; System controller (7) can pass through luminous time and the frequency of optical transmitting set (9) control; System controller (7) can pass through communication controller (6) and transmit data to computer; The data that system controller (7) can obtain gathering by A/D change-over circuit (4), and data storage in memorizer (5); System controller (7) can pass through liquid crystal display (8) and show current working state.
3. gastric juice and bile regurgitation monitoring apparatus according to claim 1 is characterized in that its adapter of said probe (11) guarantees that the distance between reflector (10) and the optical fibre interface (12) is 2 millimeters.
4. gastric juice and bile regurgitation monitoring apparatus according to claim 1, the front end head (12) that it is characterized in that said optical fiber (2) is connected to probe (1), the afterbody of optical fiber (2) is divided into two bundles, a branch of front end that is installed in optical transmitting set 9, be used for light is imported probe (1), another bundle is installed in the front end of optical receiver (3), is used for the light through reflector (10) reflection is imported optical receiver (3).
5. gastric juice and bile regurgitation monitoring apparatus according to claim 1 is characterized in that said communication controller (6) is made up of a slice serial communication controller integrated circuit MAX3221; Communication controller (6) adopts simplex mode, and input is connected with system controller, and outfan can be connected with outer computer by 9 needle sockets of standard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620027369 CN200963129Y (en) | 2006-09-20 | 2006-09-20 | Gastric juice bile counter flowing monitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620027369 CN200963129Y (en) | 2006-09-20 | 2006-09-20 | Gastric juice bile counter flowing monitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200963129Y true CN200963129Y (en) | 2007-10-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620027369 Expired - Fee Related CN200963129Y (en) | 2006-09-20 | 2006-09-20 | Gastric juice bile counter flowing monitor |
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| Country | Link |
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| CN (1) | CN200963129Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102908133A (en) * | 2012-11-12 | 2013-02-06 | 合肥优尔电子科技有限公司 | Esophagus vein blood pressure measuring instrument |
-
2006
- 2006-09-20 CN CN 200620027369 patent/CN200963129Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102908133A (en) * | 2012-11-12 | 2013-02-06 | 合肥优尔电子科技有限公司 | Esophagus vein blood pressure measuring instrument |
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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: 20071024 Termination date: 20110920 |