CN108245156A - A kind of method, apparatus and equipment for monitoring the impedance of stomach esophagus and pH - Google Patents
A kind of method, apparatus and equipment for monitoring the impedance of stomach esophagus and pH Download PDFInfo
- Publication number
- CN108245156A CN108245156A CN201711230212.9A CN201711230212A CN108245156A CN 108245156 A CN108245156 A CN 108245156A CN 201711230212 A CN201711230212 A CN 201711230212A CN 108245156 A CN108245156 A CN 108245156A
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- Prior art keywords
- impedance
- signal
- monitoring
- digital signal
- stomach esophagus
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
- A61B5/053—Measuring electrical impedance or conductance of a portion of the body
- A61B5/0538—Measuring electrical impedance or conductance of a portion of the body invasively, e.g. using a catheter
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7225—Details of analog processing, e.g. isolation amplifier, gain or sensitivity adjustment, filtering, baseline or drift compensation
Abstract
The invention discloses a kind of method, apparatus and equipment for monitoring the impedance of stomach esophagus and pH, including：The analog signal for carrying the impedance of stomach esophagus and pH is obtained by impedance transducer and pH sensors；Corresponding digital signal is converted analog signals by AD converter；Digital signal is sent to external data logger and storage.The method retransmits the signal fadeout and damage for external data logger and storage, reducing signal in transmission process after converting analog signals into corresponding digital signal, ensure that the intensity and precision for the signal that data logger receives；Meanwhile monitoring stomach esophagus impedance and the accuracy rate and accuracy of pH are improved, more accurately monitoring result can be provided for medical staff.Correspondingly, a kind of device and equipment for monitoring the impedance of stomach esophagus and pH disclosed by the invention, similarly with above-mentioned technique effect.
Description
Technical field
The present invention relates to the field of medical instrument technology, more specifically to a kind of side for monitoring the impedance of stomach esophagus and pH
Method, device and equipment.
Background technology
It is researched and developed with the combination of computer technology and microelectric technique and medical instrument, is the disease prevention and treatment of the mankind
It brings great convenience.Wherein, it for disease of digestive tract, monitors the impedance of stomach esophagus and the research and development of the equipment of pH is great
Facilitate monitoring of the people to gastro-oesophageal reflux disease.
Gastro-oesophageal reflux disease is a kind of common digestion dyskinesis disease of clinic, generally refers to stomach or duodenum
Content reflux causes a variety of uncomfortable or symptoms, has seriously affected the quality of life of patient, most common clinical symptoms to oesophagus
It is heartburn, pectoralgia and sour regurgitation.The most common method of inspection currently for stomach esophageal reflux disease is exactly by impedance and pH conduits
It is inserted into esophagus by nasal cavity, the physiological parameters such as the impedance in esophagus and pH is carried out to supervise within continuous 24 hours or 48 hours
It surveys.Wherein, impedance and pH conduit integrated installations the impedance detection sensors device of a pair of of pH electrodes and 6 channels, catheter tip connect
It is connected to the data logger for carrying out impedance and the storage of pH data.
There is the storage medium of storage data, generally NAND FLASH storage chips or SD card in data logger.Its
In, NAND FLASH storage chips itself generate new bad block, and chip itself is without bad with the increase of erasing times by continuous
Block management function, the reliability of lasting increased bad number of blocks strong influence storage data and safety；SD card is moves
Dynamic storage medium, the card slot type connection in real work cannot be guaranteed the reliability of electrical connection, and its volume is larger, no
Conducive to the miniaturization of storage device.Simultaneously as impedance and the collected signal of pH conduits are analog signal, and this analog signal
Intensity is weaker, is easily interfered and is distorted in transmission process, thus causes the signal that data logger receives inaccurate,
So as to cause the state of an illness of the patient monitored, there are errors with the practical state of an illness, influence judgement of the medical staff for monitoring result,
So as to miss best occasion for the treatment, delay treatment.
Therefore, the precision for the signal that data logger receives how is improved, accurately reflects the state of an illness of patient, improves data
The reliability of the data storage of recorder, so as to provide more accurately monitoring result for medical staff, avoids missing optimal treatment
Opportunity is those skilled in the art's problem to be solved.
Invention content
The purpose of the present invention is to provide a kind of method, apparatus and equipment for monitoring the impedance of stomach esophagus and pH, are carried with realizing
The precision for the signal that high data logger receives accurately reflects the state of an illness of patient, improves the data storage of data logger
Reliability so as to provide more accurately monitoring result for medical staff, avoids missing best occasion for the treatment.
To achieve the above object, an embodiment of the present invention provides following technical solutions：
A kind of method for monitoring the impedance of stomach esophagus and pH, including：
The analog signal for carrying the impedance of stomach esophagus and pH is obtained by impedance transducer and pH sensors；
Corresponding digital signal is converted analog signals by AD converter；
Digital signal is sent to external data logger and storage.
Wherein, corresponding digital signal is converted analog signals by AD converter, including：
Analog signal is subjected to active second-order filter and is amplified, obtains target simulation signal；
Target simulation signal is converted to by corresponding digital signal by AD converter.
Wherein, digital signal is sent to external data logger and storage, including：
Digital signal is sent to external data logger, and the eMMC memories stored into data logger.
Wherein, digital signal is sent to external data logger, and stores the storages of the eMMC into data logger
After device, further include：
It will store to the digital data transmission of eMMC memories to preset host computer；
Digital signal, monitoring result of the generation comprising the impedance of stomach esophagus and pH are analyzed and processed by host computer.
A kind of device for monitoring the impedance of stomach esophagus and pH, including：
Acquisition module obtains for passing through impedance transducer and pH sensors and carries the impedance of stomach esophagus and the simulation of pH letter
Number；
Modular converter converts analog signals into corresponding digital signal for passing through AD converter；
Memory module, for digital signal to be sent to external data logger and storage.
Wherein, modular converter includes：
Execution unit for analog signal to be carried out active second-order filter and is amplified, obtains target simulation signal；
Target simulation signal is converted to corresponding digital signal by converting unit for passing through AD converter.
Wherein, memory module is specifically used for：
Digital signal is sent to external data logger, and the eMMC memories stored into data logger.
Wherein, memory module includes：
Transmission unit, for that will store to the digital data transmission of eMMC memories to preset host computer；
Generation unit, for analyzing and processing digital signal by host computer, generation includes the impedance of stomach esophagus and the monitoring of pH
As a result.
A kind of equipment for monitoring the impedance of stomach esophagus and pH, including：
Data acquisition end obtains for passing through impedance transducer and pH sensors and carries the impedance of stomach esophagus and the simulation of pH
Signal；Corresponding digital signal is converted analog signals by AD converter；Digital signal is sent to external data to remember
Record instrument；
Data logger, for storing the digital signal of data acquisition end transmission.
By above scheme it is found that a kind of method for monitoring the impedance of stomach esophagus and pH provided in an embodiment of the present invention, including：
The analog signal for carrying the impedance of stomach esophagus and pH is obtained by impedance transducer and pH sensors；It will be simulated and believed by AD converter
Number be converted to corresponding digital signal；Digital signal is sent to external data logger and storage.
As it can be seen that the method is after the analog signal for carrying the impedance of stomach esophagus and pH is got, immediately by the analog signal
Corresponding digital signal is converted to, and then by digital signal transmission to external data logger and storage, due to digital signal
Propagation distance is long, and can transmit the signal of large capacity simultaneously, strong antijamming capability, so as to reduce signal in transmission process
Signal fadeout and damage, ensure that the intensity and precision for the signal that data logger receives；Meanwhile improve monitoring stomach food
Road impedance and the accuracy rate and accuracy of pH, more accurately monitoring result can be provided for medical staff, accurately reflects patient's
The state of an illness so as to accomplish to find the state of an illness in time, treats, avoids missing best occasion for the treatment in time.
Correspondingly, a kind of device and equipment for monitoring the impedance of stomach esophagus and pH provided in an embodiment of the present invention, also the same to have
There is above-mentioned technique effect.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is a kind of method flow diagram for monitoring the impedance of stomach esophagus and pH disclosed by the embodiments of the present invention；
Fig. 2 is another method flow diagram for monitoring the impedance of stomach esophagus and pH disclosed by the embodiments of the present invention；
Fig. 3 is a kind of schematic device for monitoring the impedance of stomach esophagus and pH disclosed by the embodiments of the present invention；
Fig. 4 is a kind of equipment schematic diagram for monitoring the impedance of stomach esophagus and pH disclosed by the embodiments of the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
The embodiment of the invention discloses a kind of method, apparatus and equipment for monitoring the impedance of stomach esophagus and pH, are improved with realizing
The precision for the signal that data logger receives accurately reflects the state of an illness of patient, improve data logger data storage can
By property, so as to provide more accurately monitoring result for medical staff, avoid missing best occasion for the treatment.
Referring to Fig. 1, a kind of method for monitoring the impedance of stomach esophagus and pH provided in an embodiment of the present invention, including：
S101, the analog signal for carrying the impedance of stomach esophagus and PH is obtained by impedance transducer and pH sensors；
Specifically, impedance transducer be six channels impedance transducer, pH sensors be a pair of pH electrodes, by this six lead to
Impedance transducer and a pair of pH electrodes the acquisition stomach esophagus impedance in road and the analog signal of pH, the i.e. analog signal carry stomach food
Road impedance and pH data.
It should be noted that usually the collected signal of sensor is the analog signal of nature necessary being, i.e., it is warm
The height of degree, the size of air pressure, the fluctuation of water level, object weight etc., therefore, the impedance transducer and a pair of pH of six channels are electric
Extremely collected stomach esophagus impedance and pH are also analog signal.
S102, corresponding digital signal is converted analog signals by AD converter；
Specifically, since analog signal is in transmission, capacity is small and easy distortion.Therefore passing through impedance transducer and pH
After sensor obtains the analog signal for carrying the impedance of stomach esophagus and pH, corresponding number is converted analog signals by AD converter
Word signal, to improve precision and efficiency of the signal in transmission process.
S103, digital signal is sent to external data logger and storage.
It should be noted that monitoring stomach esophagus impedance and pH need the regular hour, usually 24 hours or 48 hours,
After 24 hours or 48 hours, the collected stomach esophagus impedance of this time and the data variation of pH are observed, to assess patient
The patient's condition.Therefore it after collecting the impedance of stomach esophagus and pH, needs to store collected stomach esophagus impedance and pH to external number
According to recorder, so that medical staff checks.
As it can be seen that a kind of method for monitoring the impedance of stomach esophagus and pH provided in this embodiment, by getting carrying stomach food
After the analog signal of road impedance and pH, the analog signal is converted into corresponding digital signal, and then digital signal is sent out immediately
External data logger and storage are incident upon, due to data signal propagation distance, the signal of large capacity can be transmitted simultaneously and resisted
Interference performance is strong, so as to reduce signal fadeout and damage of the signal in transmission process, ensure that data logger receives
Signal intensity and precision；Meanwhile monitoring stomach esophagus impedance and the accuracy rate and accuracy of pH are improved, can be medical care people
Member provides more accurately monitoring result, accurately reflects the state of an illness of patient, so as to accomplish to find the state of an illness in time, treats, avoids in time
Miss best occasion for the treatment.
The embodiment of the invention discloses another monitoring stomach esophagus impedance and the method for pH, relative to a upper embodiment, sheet
Embodiment has made further instruction and optimization to technical solution.
Referring to Fig. 2, the method for another monitoring stomach esophagus impedance provided in an embodiment of the present invention and pH, including：
S201, the analog signal for carrying the impedance of stomach esophagus and pH is obtained by impedance transducer and pH sensors；
S202, analog signal is subjected to active second-order filter and is amplified, obtain target simulation signal；
Specifically, after obtaining the analog signal for carrying the impedance of stomach esophagus and pH by impedance transducer and pH sensors, it is
Make collected stomach esophagus impedance and pH accuracy highers, need to have the analog signal for carrying the impedance of stomach esophagus and pH
Source second-order filter, and amplified, to obtain more accurate target simulation signal.
S203, target simulation signal is converted to by corresponding digital signal by AD converter；
S204, digital signal is sent to external data logger and storage.
Specifically, more accurate target simulation signal is converted to corresponding digital signal by AD converter, obtain
Therefore the accuracy of digital signal is also improved accordingly.Also, digital signal, in transmission process, capacity is big and anti-dry
It disturbs that ability is strong, therefore reduces signal fadeout and damage of the signal in transmission process, ensure that data logger received
The intensity and precision of signal.
As it can be seen that the method for another monitoring stomach esophagus impedance provided in this embodiment and pH, by getting carrying stomach
After the analog signal of esophagus impedance and pH, analog signal is subjected to active second-order filter and is amplified, obtain target simulation signal, and
Target simulation signal is converted to by corresponding digital signal by AD converter, and then by digital signal transmission to external data
Recorder simultaneously stores, and due to data signal propagation distance, can transmit the signal and strong antijamming capability of large capacity simultaneously, so as to
Reduce signal fadeout and damage of the signal in transmission process, ensure that the intensity and essence for the signal that data logger receives
Degree；Meanwhile monitoring stomach esophagus impedance and the accuracy rate and accuracy of pH are improved, it can provide for medical staff and more accurately supervise
It surveys as a result, accurately reflecting the state of an illness of patient, so as to accomplish to find the state of an illness in time, treatment, avoids missing best occasion for the treatment in time.
Based on above-mentioned any embodiment, it should be noted that digital signal is sent to external data logger and is deposited
Storage, including：Digital signal is sent to external data logger, and the eMMC memories stored into data logger.
Specifically, since monitoring stomach esophagus impedance and pH need 24 hours or 48 hours, therefore it is required that data logger
In storage medium performance higher.Based on above-mentioned any embodiment, data logger has eMMC memories, eMMC memories
Inside has bad block management and balance erasing function, can improve the reliability and service life of equipment of data storage；It also, should
EMMC memories are soldered to circuit board using BGA package form, ensure that the reliability being electrically connected between device, are suitble to portable
Move occasion.
Based on above-mentioned any embodiment, it should be noted that digital signal is sent to external data logger, and is deposited
After storage to the eMMC memories in data logger, further include：It will store to the digital data transmission of eMMC memories to pre-
If host computer；Digital signal, monitoring result of the generation comprising the impedance of stomach esophagus and pH are analyzed and processed by host computer.
Specifically, after the monitoring of 24 hours or 48 hours, stored in the eMMC memories in data logger
A large amount of data are needed these data transmissions to preset host computer, these data, generation packet are analyzed and processed by host computer
The impedance of esophagus containing stomach and the monitoring result of pH so that medical staff judges according to monitoring result the patient's condition of patient, and then make conjunction
The diagnosis of reason, the state of an illness of reduction of patient.
Based on above-mentioned any embodiment, it should be noted that have MCU, MCU and eMMC memory in data logger
It is connected.Existing data logger is typically by the collected carrying impedance of impedance transducer and pH sensors and the simulation of pH
After signal is sent in vitro, then carry out analog-to-digital conversion；And the memory of existing data logger is compared with eMMC memories, no
Has apparent advantageous effect.Accordingly it is also possible to do not change the data processing method of existing data logger, and directly by it
Memory is changed to eMMC memories, and the safety of data and accuracy rate are stored to improve it.
A kind of device for monitoring the impedance of stomach esophagus and pH provided in an embodiment of the present invention is introduced below, is described below
A kind of monitoring stomach esophagus impedance and pH device and a kind of above-described method for monitoring the impedance of stomach esophagus and pH can phase
Mutual reference.
Referring to Fig. 3, a kind of device for monitoring the impedance of stomach esophagus and pH provided in an embodiment of the present invention, including：
Acquisition module 301 obtains for passing through impedance transducer and pH sensors and carries the impedance of stomach esophagus and the simulation of pH
Signal；
Modular converter 302 converts analog signals into corresponding digital signal for passing through AD converter；
Memory module 303, for digital signal to be sent to external data logger and storage.
Wherein, modular converter includes：
Execution unit for analog signal to be carried out active second-order filter and is amplified, obtains target simulation signal；
Target simulation signal is converted to corresponding digital signal by converting unit for passing through AD converter.
Wherein, memory module is specifically used for：
Digital signal is sent to external data logger, and the eMMC memories stored into data logger.
Wherein, memory module includes：
Transmission unit, for that will store to the digital data transmission of eMMC memories to preset host computer；
Generation unit, for analyzing and processing digital signal by host computer, generation includes the impedance of stomach esophagus and the monitoring of pH
As a result.
A kind of equipment for monitoring the impedance of stomach esophagus and pH provided in an embodiment of the present invention is introduced below, is described below
A kind of monitoring stomach esophagus impedance and pH equipment and a kind of above-described method and device for monitoring the impedance of stomach esophagus and pH
It can be cross-referenced.
Referring to Fig. 4, a kind of equipment for monitoring the impedance of stomach esophagus and pH provided in an embodiment of the present invention, including：
Data acquisition end 401 obtains carrying stomach esophagus impedance and the mould of pH for passing through impedance transducer and pH sensors
Intend signal；Corresponding digital signal is converted analog signals by AD converter；Digital signal is sent to external data
Recorder；
Data logger 402, for storing the digital signal of data acquisition end transmission.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with it is other
The difference of embodiment, just to refer each other for same or similar part between each embodiment.For dress disclosed in embodiment
Put and equipment for, since it is corresponded to the methods disclosed in the examples, so description is fairly simple, related part is referring to side
Method part illustrates.
Professional further appreciates that, with reference to each exemplary unit of the embodiments described herein description
And algorithm steps, can be realized with the combination of electronic hardware, computer software or the two, in order to clearly demonstrate hardware and
The interchangeability of software generally describes each exemplary composition and step according to function in the above description.These
Function is performed actually with hardware or software mode, specific application and design constraint depending on technical solution.Profession
Technical staff can realize described function to each specific application using distinct methods, but this realization should not
Think beyond the scope of this invention.
It can directly be held with reference to the step of method or algorithm that the embodiments described herein describes with hardware, processor
The combination of capable software module or the two is implemented.Software module can be placed in random access memory (RAM), memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium well known in field.
A kind of method, apparatus and equipment for monitoring the impedance of stomach esophagus and pH provided by the present invention has been carried out in detail above
It introduces.Specific case used herein is expounded the principle of the present invention and embodiment, the explanation of above example
It is merely used to help understand the method and its core concept of the present invention.It should be pointed out that the ordinary skill people for the art
Member for, without departing from the principle of the present invention, can also to the present invention some improvement and modification can also be carried out, these improve and
Modification is also fallen within the protection scope of the claims of the present invention.
Claims (9)
- A kind of 1. method for monitoring the impedance of stomach esophagus and pH, which is characterized in that including：The analog signal for carrying the impedance of stomach esophagus and pH is obtained by impedance transducer and pH sensors；The analog signal is converted to by corresponding digital signal by AD converter；The digital signal is sent to external data logger and storage.
- 2. monitoring stomach esophagus impedance according to claim 1 and the method for pH, which is characterized in that described to pass through AD converter The analog signal is converted into corresponding digital signal, including：The analog signal is subjected to active second-order filter and is amplified, obtains target simulation signal；The target simulation signal is converted to by corresponding digital signal by AD converter.
- 3. monitoring stomach esophagus impedance according to claim 1 and the method for pH, which is characterized in that described to believe the number Number external data logger and storage are sent to, including：The digital signal is sent to the external data logger, and store to the eMMC in the data logger and deposit Reservoir.
- 4. monitoring stomach esophagus impedance according to claim 3 and the method for pH, which is characterized in that described to believe the number Number the external data logger is sent to, and store to the eMMC memories in the data logger, further included：It will store to the digital data transmission of the eMMC memories to preset host computer；The digital signal, monitoring result of the generation comprising the stomach esophagus impedance and pH are analyzed and processed by the host computer.
- 5. a kind of device for monitoring the impedance of stomach esophagus and pH, which is characterized in that including：Acquisition module obtains carrying stomach esophagus impedance and the analog signal of pH for passing through impedance transducer and pH sensors；The analog signal is converted to corresponding digital signal by modular converter for passing through AD converter；Memory module, for the digital signal to be sent to external data logger and storage.
- 6. monitoring stomach esophagus impedance according to claim 5 and the device of pH, which is characterized in that the modular converter packet It includes：Execution unit for the analog signal to be carried out active second-order filter and is amplified, obtains target simulation signal；The target simulation signal is converted to corresponding digital signal by converting unit for passing through AD converter.
- 7. monitoring stomach esophagus impedance according to claim 5 and the device of pH, which is characterized in that the memory module is specific For：The digital signal is sent to the external data logger, and store to the eMMC in the data logger and deposit Reservoir.
- 8. monitoring stomach esophagus impedance according to claim 7 and the device of pH, which is characterized in that the memory module packet It includes：Transmission unit, for that will store to the digital data transmission of the eMMC memories to preset host computer；Generation unit, for analyzing and processing the digital signal by the host computer, generation comprising the stomach esophagus impedance and The monitoring result of pH.
- 9. a kind of equipment for monitoring the impedance of stomach esophagus and pH, which is characterized in that including：Data acquisition end obtains carrying stomach esophagus impedance and the analog signal of pH for passing through impedance transducer and pH sensors； The analog signal is converted to by corresponding digital signal by AD converter；The digital signal is sent to external data Recorder；The data logger, for storing the digital signal that the data acquisition end is sent.
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| CN201711230212.9A CN108245156A (en) | 2017-11-29 | 2017-11-29 | A kind of method, apparatus and equipment for monitoring the impedance of stomach esophagus and pH |
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| CN110313970A (en) * | 2019-07-09 | 2019-10-11 | 广东工业大学 | A kind of regurgitation of gastric juice baffle system |
| CN114246552A (en) * | 2021-12-13 | 2022-03-29 | 重庆金山医疗技术研究院有限公司 | Reflux judgment system, method, equipment and storage medium |
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| CN110313970A (en) * | 2019-07-09 | 2019-10-11 | 广东工业大学 | A kind of regurgitation of gastric juice baffle system |
| CN114246552A (en) * | 2021-12-13 | 2022-03-29 | 重庆金山医疗技术研究院有限公司 | Reflux judgment system, method, equipment and storage medium |
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