CN106730219B - Intelligent rehabilitation ventilator - Google Patents
Intelligent rehabilitation ventilator Download PDFInfo
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- CN106730219B CN106730219B CN201611118269.5A CN201611118269A CN106730219B CN 106730219 B CN106730219 B CN 106730219B CN 201611118269 A CN201611118269 A CN 201611118269A CN 106730219 B CN106730219 B CN 106730219B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/06—Respiratory or anaesthetic masks
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/08—Detecting, measuring or recording devices for evaluating the respiratory organs
- A61B5/087—Measuring breath flow
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/48—Other medical applications
- A61B5/4836—Diagnosis combined with treatment in closed-loop systems or methods
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/20—Valves specially adapted to medical respiratory devices
- A61M16/201—Controlled valves
- A61M16/202—Controlled valves electrically actuated
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
- A61M2016/003—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter
- A61M2016/0033—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter electrical
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2230/00—Measuring parameters of the user
- A61M2230/40—Respiratory characteristics
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Pulmonology (AREA)
- Anesthesiology (AREA)
- Emergency Medicine (AREA)
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- Physics & Mathematics (AREA)
- Physiology (AREA)
- Percussion Or Vibration Massage (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Magnetic Treatment Devices (AREA)
Abstract
The invention proposes a kind of ventilators for part respiratory function loss patient, including oxygen mask, mainframe box and WINCE industrial control board.The intensity of its air-flow according to produced by the patient detected current autonomous respiration, and then trigger matched secondary air, and the moment is synchronous with the holding of patient respiratory frequency, doctor can carry out real-time parameter regulation according to patient's autonomous respiration ability that ventilator detects, can guarantee patient always can all be in the matching air flow condition of suitable strength, so as to realize intelligentized control method to secondary air rhythm caused by ventilator and intensity.Present invention mainly solves two problems: first is that solve can not the current desired best secondary air intensity of real-time judge patient, avoid single standard injury of lungs phenomenon different degrees of caused by patient；Second is that assisted ventilation can be carried out in strict accordance with the respiratory rate of detected patient, so as to avoid man-machine uncoordinated problem.
Description
Technical field
The present invention proposes a kind of intelligent rehabilitation ventilator, belongs to medical equipment technological field.
Background technique
Ventilator is a kind of medical instrument of most common auxiliary Rehabilitation in clinical medicine, according to mechanical ventilation principle
It develops.China's ventilator is started late, and is in reference currently, domestic ventilator is technically most of and is imitated state
Outer product technology especially in reliability, lags behind developed countries in terms of service quality, so country is very heavy
Depending on the innovation and research of ventilator technology.Existing ventilator can be mainly divided into two major classes according to ventilating mode: pressure control is logical
Gas and volume controlled ventilation.
Pressure controlled ventilation mode is mainly using airway pressure as handoff parameter.Ventilator generates air-flow and enters breathing
Road makes alveolar ectasia, and chest, lung are extended, and pressure constantly increases in respiratory tract, and after reaching scheduled pressure value, air-flow is terminated, and switchs to
It exhales, intra-airway pressure constantly declines at this time, reaches a predetermined value, and air-flow occurs again.Its advantage is that reducing peak airway pressure, subtract
It is few to cause dangerous probability due to airway pressure；Gas distribution uniform can improve gas exchanges.But its tidal volume cannot protect
Card, is particularly easy to lead to patient-ventilator asynchrony problem.
Volume controlled ventilation mode is mainly using capacity as handoff parameter.Ventilator breathes preset tidal volume by people
Lung is sent into road, it guarantees in scheduled pressure limit, and tidal volume is not influenced by respiratory dynamics and airway resistance variation.
Its advantage is that accurate tidal volume can be provided according to preset value, excessive or very few phenomenon of ventilating not will cause, it will not be with
The change of lung function and change.For from comprehensive performance and control effect, better than pressure controlled ventilation mode.
But no matter which type of ventilator all have the defects that two it is shared.First is that without specific aim, to different
Patient and different pathological states all carry out assisted respiartion with single control parameter, and often will appear hypoventilation in this way
Or excessive ventilation phenomenon, different degrees of injury of lungs is caused to patient；The other is man-machine uncoordinated phenomenon, patient respiratory frequency
It is different from the assisted ventilation frequency of ventilator, so great pain can be brought for patient.
Summary of the invention
In order to overcome the above deficiency, the invention proposes a kind of intelligent rehabilitation ventilators.
The technical solution adopted by the present invention to solve the technical problems is:
The present invention includes oxygen mask, mainframe box and WINCE industrial control board.
The oxygen mask is exactly medical oxygen mask, and for connecting with the mouth and nose of patient, ventilator is suffered from by it
Person carries out assisted ventilation.
The mainframe box can be divided into Switching Power Supply, gas source, sensor, air guide chamber, solenoid valve and information processing mould
Block.Switching Power Supply provides suitable voltage as transformer, for system；Gas source provides air-flow for system；Air guide chamber is used to air guide,
For connecting all parts of system；Sensor is used to acquisition system air-flow velocity intensity and pressure；Solenoid valve is as system
The discharge of interior gas controls, and is core component；The message processing module includes USB6009 information acquisition card and amplification electricity
Signal that is, for amplifying and analog-to-digital conversion process the collected signal of sensor, and is ultimately delivered to WINCE work by road
It carries out concentrating analysis processing in control plate.
The WINCE industrial control board is microcomputer.In the present invention, the Labview by being installed in industrial control board
Software carries out information processing, instruction control and the displaying of working condition, system performance index to system.Simultaneously because industrial control board
Small in size, portability is preferable, can to its further expand realize remote control so that doctor to patient monitoring more and
When, conveniently.
Present invention current rate according to caused by the current autonomous respiration of the patient detected, and then trigger matched
Secondary air, and the moment is synchronous with the holding of patient respiratory frequency, avoids patient-ventilator asynchrony problem, and doctor can be according to ventilator
The patient's autonomous respiration ability detected carries out real-time parameter regulation, it is ensured that patient can be in always suitable strength
Air flow condition is matched, so as to realize intelligentized control method to secondary air rhythm caused by ventilator and intensity.
Detailed description of the invention
Fig. 1 is apparatus of the present invention structure chart；
Fig. 2 is mainframe box internal structure chart of the present invention；
Fig. 3 a and Fig. 3 b are solenoid valve schematic diagram of the present invention；
Fig. 4 is work flow diagram of the present invention.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
As shown in Figure 1, being apparatus of the present invention structure chart.Intelligent rehabilitation ventilator can be divided into three parts: first part is
By the oxygen mask 1 for the model ComfortGel Blue that Philip Acoba L. L. C. provides, the mask attached gel technology, surely
It is fixed, comfortable, there is 360 degree rotation elbow, increase the freedom degree of wearer；Second part is the design of Guangzhou Luo Gang industry control company
The WINCE industrial control board 3 of model WLT_0431, industrial control board CPU be Samsung S3C2416, ARM9 frame, dominant frequency 400MHz,
Data processing speed with higher, while having 3 road network communication serial ports, two-way peripheral hardware serial ports can support a variety of exploitations soft
Part, such as Visual Studio, EVC++ and Labview, extended capability are stronger；Part III is mainframe box 2.Work as system
When starting running, mainframe box 2 detects patient's autonomous respiration intensity, transfers information in industrial control board 3, utilizes 2014 editions
Program written by this Labview software analyzes it processing, and makes corresponding instruction based on the analysis results.It realizes certainly
Move the function of detection, intelligent control.
As shown in Fig. 2, being mainframe box internal structure chart of the invention.Intelligent rehabilitation ventilator mainframe box internal structure is main
It consists of the following components:
1) the western SA5012 Switching Power Supply 4 of moral power, AC-input voltage are 85~132 and 170~264, can be selected by switch
It selects, there is reliable and stable 12VDC output voltage；
2) the WS7040-24-V200N air blower gas source 5 of wave Dongguo electromechanics Co., Ltd production, the blower are rolled using NMB
Pearl bearing has longer service life and low noise, and air quantity is stablized, and for highest confining pressure up to 6Kpa, air output is bigger,
Maximum open air quantity reaches 200L/min, and motor is three-phase direct-current brushless structure, reduces windage, while there are three Hall members for inside
Part, high sensitivity, driving circuit of brushless electric machine is external, convenient for connecting with other equipment；
3) model AWM700 and the 26PCA sensing device 6 of .Honywell company design, the former feature are as follows: maximum stream flow
It is worth up to 200SLPM, zero-bit and full scale are able to maintain high stability, and encapsulation is compact, and leakproofness is good, is not in gas leakage
Situation, extremely low hysteresis and repeatability error, lower than the 0.35% of reading, the response time is short, sensitiveer, usually 6ms,
Power consumption is lower, is up to 60mW；The latter's feature are as follows: maximum range be ± 1psi (about ± 68cmH2O), resolution ratio be better than
0.03% FSS (full scale) has high burst pressure force characteristic, up to 415inH2O (1034mbar) or more, in different rings
Higher sensitivity can also be kept under border, all no requirement (NR)s whether to installation direction and vibration, small in size, area occupied is small；
4) air guide chamber 7, i.e., for air guide and connection various pieces；
5) solenoid valve 8 of independent development, according to electromagnetism perception principle autonomous Design, voltage rating 12V has higher
Sensitivity；
6) message processing module 9, in conjunction with integrated circuit knowledge, the amplifying circuit and AD conversion module of design.
Its course of work are as follows: Switching Power Supply 4 is the power supply of message processing module 9, and message processing module 9 is according to from industry control
The instruction that 3 main program of plate provides dominates gas source 1, sensing device 6 and solenoid valve 8 and is orderly worked, and air guide chamber 7 is as connection
The effect of system all parts and air-flow conducting.
It as shown in Figure 3a and Figure 3b shows, is solenoid valve schematic diagram of the invention.Its structure can be divided into air guide interface tube 10, sky
Heart magnet 11, slide coil 12, hollow pipe 13 and shell 13.The wherein left side of hollow magnet 11 and external air guide interface tube 10
It communicates, right side is communicated with hollow pipe 13；Be closed on the right side of hollow pipe 13, and be provided with an aperture on its side wall, just with
Solenoid valve venthole 15 is opposite.The course of work of solenoid valve are as follows: when energized, due to electromagnetic induction, slide coil 12 is pulled to
Venthole 15 between 13 side wall of hollow pipe and shell 14 is blocked, guarantees that air-flow will not flow out, realizes the function of choked flow by right side
Can, see Fig. 3 a；When power is off, slide coil 12 returns to initial position, at this point, air-flow is flowed by external air guide interface tube 10, leads to
Hollow magnet 11 and hollow pipe 13 are crossed, is flowed out by 13 side wall aperture of hollow pipe, is finally discharged, realizes through-flow in venthole 15
Function is shown in Fig. 3 b.
Real-time performance curve when the left part of invention software monitoring interface is for observing system operation, facilitates
Supervisor gets information about the state of an illness state of patient at that time；Right side is control parameter, the practical feelings that can be arrived according to the observation
Condition makes corresponding adjustment to ventilator.
As shown in figure 4, the workflow of intelligent rehabilitation ventilator are as follows: when system brings into operation, detection from patient's mouth and nose
Derived current rate in the oxygen mask being connected detects that current rate if it is zero, that is, does not have autonomous respiration ability, that
Doctor's advice parameter is just set to it carries out assisted respiartion；If detecting that current rate is not zero, that is, there is autonomous respiration ability, according to
This, the signal that system can will test is amplified by mainframe box and analog-to-digital conversion, is sent in WINCE industrial control board
Reason, while instruction can be issued, allow mainframe box to dominate gas source strong with the secondary air to match with current patents' autonomous respiration ability
Degree is supplied gas, and system, which formally enters, at this time assists state of supplying gas.When detecting actual tidal volume and set target tide
When tolerance mismatches, system can automatically adjust the air inlet intensity of gas source, and stable tidal volume is eventually kept to supply gas.
Claims (1)
1. intelligent rehabilitation ventilator, including oxygen mask, mainframe box and WINCE industrial control board, it is characterised in that: the mainframe box
Detection derived current rate from the oxygen mask being connected with patient's mouth and nose, detects that current rate if it is zero, that is, does not have
There is autonomous respiration ability, then just setting doctor's advice parameter to it carries out assisted respiartion；If detecting that current rate is not zero, i.e.,
There is autonomous respiration ability, then the signal that will test is amplified by mainframe box and analog-to-digital conversion, is sent to WINCE industrial control board
In handled, while instruction can be issued, allow mainframe box to dominate gas source auxiliary to match with current patents' autonomous respiration ability
It helps current rate to supply gas, formally enters assist state of supplying gas at this time；When detecting actual tidal volume and set mesh
When marking tidal volume mismatch, the air inlet intensity of gas source is automatically adjusted, stable tidal volume is eventually kept to supply gas；
The mainframe box includes Switching Power Supply, gas source, sensor, air guide chamber, solenoid valve and message processing module；Switch electricity
Source provides suitable voltage as transformer, for ventilator；Gas source provides air-flow；Air guide chamber is used to air guide；Sensor is used to adopt
Collect air-flow velocity intensity and pressure；Discharge controlling part of the solenoid valve as gas；Message processing module includes USB6009 letter
Capture card and amplifying circuit are ceased, the message processing module is used to amplify the collected signal of sensor to be turned with modulus
Processing is changed, and signal is ultimately delivered in WINCE industrial control board and concentrate analysis processing；
The solenoid valve includes air guide interface tube, hollow magnet, slide coil, hollow pipe and shell；Wherein hollow magnet
Left side is communicated with external air guide interface tube, and right side is communicated with hollow pipe；It is closed on the right side of hollow pipe, and on its side wall
It is provided with an aperture, it is just opposite with the solenoid valve venthole on shell；When energization, due to electromagnetic induction, slide coil is pulled to
Solenoid valve venthole between side wall of hollow pipe and shell is blocked, guarantees that air-flow will not flow out, realizes the function of choked flow by right side
Energy；When power-off, slide coil returns to initial position, at this point, air-flow is flowed by external air guide interface tube, passes through hollow magnet and sky
Heart pipe is flowed out by side wall of hollow pipe aperture, is finally discharged in solenoid valve venthole, is realized through-flow function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611118269.5A CN106730219B (en) | 2016-12-07 | 2016-12-07 | Intelligent rehabilitation ventilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611118269.5A CN106730219B (en) | 2016-12-07 | 2016-12-07 | Intelligent rehabilitation ventilator |
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| Publication Number | Publication Date |
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| CN106730219A CN106730219A (en) | 2017-05-31 |
| CN106730219B true CN106730219B (en) | 2018-12-07 |
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| CN201611118269.5A Active CN106730219B (en) | 2016-12-07 | 2016-12-07 | Intelligent rehabilitation ventilator |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111467621A (en) * | 2020-05-06 | 2020-07-31 | 杨东明 | Multifunctional chronic obstructive pulmonary disease rehabilitation training device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2325548Y (en) * | 1997-12-26 | 1999-06-23 | 胡英杰 | Electromagnetic water pump |
| CN102451506A (en) * | 2010-10-19 | 2012-05-16 | 袁含光 | Method and device for controlling airflow of respirator |
| CN102655903A (en) * | 2009-12-15 | 2012-09-05 | 皇家飞利浦电子股份有限公司 | System and method for supporting sub-physiologic and physiologic tidal volumes in spontaneous or non-spontaneous breathing during high frequency ventilation |
| CN104874055A (en) * | 2014-02-28 | 2015-09-02 | 北京谊安医疗系统股份有限公司 | Respirator |
| CN105381526A (en) * | 2015-12-08 | 2016-03-09 | 杭州电子科技大学 | Intelligent outflow resistance switching simulation breathing apparatus |
-
2016
- 2016-12-07 CN CN201611118269.5A patent/CN106730219B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2325548Y (en) * | 1997-12-26 | 1999-06-23 | 胡英杰 | Electromagnetic water pump |
| CN102655903A (en) * | 2009-12-15 | 2012-09-05 | 皇家飞利浦电子股份有限公司 | System and method for supporting sub-physiologic and physiologic tidal volumes in spontaneous or non-spontaneous breathing during high frequency ventilation |
| CN102451506A (en) * | 2010-10-19 | 2012-05-16 | 袁含光 | Method and device for controlling airflow of respirator |
| CN104874055A (en) * | 2014-02-28 | 2015-09-02 | 北京谊安医疗系统股份有限公司 | Respirator |
| CN105381526A (en) * | 2015-12-08 | 2016-03-09 | 杭州电子科技大学 | Intelligent outflow resistance switching simulation breathing apparatus |
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