CN209529130U - The monitoring device and ventilator of tidal volume - Google Patents
The monitoring device and ventilator of tidal volume Download PDFInfo
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- CN209529130U CN209529130U CN201821890432.4U CN201821890432U CN209529130U CN 209529130 U CN209529130 U CN 209529130U CN 201821890432 U CN201821890432 U CN 201821890432U CN 209529130 U CN209529130 U CN 209529130U
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Abstract
The utility model provides a kind of monitoring device of tidal volume, wherein the device includes: the first acquisition unit, the gas volume flow data of gas in the suction line for acquiring ventilator, and the gas volume flow data of gas in the suction line are exported；Second acquisition unit is exported for acquiring the gas volume flow data of gas in the expiration pipeline, and by the gas volume flow data of gas in the expiration pipeline；The data processing unit being connected respectively with first acquisition unit and second acquisition unit, for receiving the gas volume flow data of the first acquisition unit acquisition gas and the gas volume flow data of second acquisition unit acquisition gas, and tidal volume is calculated according to the gas volume flow data of collected gas.Tidal volume when breathing can be obtained by the device, can be provided accurate clinical parameter for the automatic feedback formula system of invasive ventilation, be broken through the development bottleneck of invasive ventilation.
Description
Technical field
The utility model relates to the monitoring device of the tidal volume when technical field, especially invasive ventilation of invasive ventilation and
Ventilator.
Background technique
In medical field, newborn, premature clinical educational circles exploring new invasive ventilation mode always, and achieve
Significant progress；From rhinobyon type continuous positive pressure ventilation (Nasal Continuous Positive AirwayPressure,
NCPAP) to rhinobyon type intermittent positive pressure ventilation (Nasal IntermittentPositive Pressure Ventilation,
NIPPV), invasive ventilation is also increasingly valued by severe medicine section, and constant is supported to rise.
Advanced automatic feedback formula system in invasive ventilation needs the feedback of clinical information, completes the exploitation of system, wherein
Most important is exactly the feedback of tidal volume.But when carrying out invasive ventilation, which is either during air-breathing, still
During expiration, all there is a certain amount of gas leakage, and gas can not be prevented by way of changing and having a stuffy nose pipe size
This phenomenon is leaked, can only slightly improve, be unable to complete the monitoring of tidal volume；Therefore the monitoring of tidal volume becomes noninvasive logical
The problem of gas development, by tidal volume feed back based on the exploitation of automatic feedback formula system be also difficult to realize, realize tidal volume
Monitoring becomes the invasive ventilation field necessary technology problem currently to be solved.
Utility model content
In view of this, the utility model embodiment provides a kind of monitoring device of tidal volume, when realizing invasive ventilation,
The monitoring of tidal volume.
To achieve the above object, it is proposed that scheme it is as follows:
The utility model provides a kind of monitoring device of tidal volume, is applied to ventilator, comprising:
First acquisition unit, the gas volume flow data of gas in the suction line for acquiring the ventilator, and
By the gas volume flow data output of gas in the suction line of the ventilator；
Second acquisition unit, the gas volume flow data of gas in the expiration pipeline for acquiring the ventilator, and
By the gas volume flow data output of gas in the expiration pipeline of the ventilator；
The data processing unit being connected respectively with first acquisition unit and second acquisition unit, for receiving
State the gas volume flow data of the first acquisition unit acquisition gas and the gas volume of second acquisition unit acquisition gas
Data on flows, and adopted according to the gas volume flow data and second acquisition unit of first acquisition unit acquisition gas
The gas volume flow data for collecting gas calculate tidal volume.
Optionally, the monitoring device of the tidal volume, further includes:
Control of breathing unit, for receiving the tidal volume of the data processing unit output, and according to the data processing
The tidal volume of unit output controls the parameter of the ventilator.
Optionally, first acquisition unit is gas volume flow sensor.
Optionally, the gas volume flow sensor is laminar-flow type gas volume flow sensor, or heating electricity
Resistive gas volume flow sensor turbine type gas volume flow sensor or optical fiber type gas hold
Product flow sensor.
Optionally, second acquisition unit is gas volume flow sensor.
Optionally, the gas volume flow sensor is laminar-flow type gas volume flow sensor, or heating electricity
Resistive gas volume flow sensor turbine type gas volume flow sensor or optical fiber type gas hold
Product flow sensor.
Optionally, first acquisition unit, is set to inside the ventilator, or is set to outside the ventilator
The suction line in.
Optionally, second acquisition unit is set in the expiration pipeline outside the ventilator.
Optionally, the data processing unit, comprising:
The first data processing unit being connected with first acquisition unit, for receiving the first acquisition unit acquisition
The gas volume flow data of gas, by the gas volume flow data conversion of first acquisition unit acquisition gas at first
Flow signal, and the first flow signal is exported；
The second data processing unit being connected with second acquisition unit, for receiving the second acquisition unit acquisition
The gas volume flow data of gas, by the gas volume flow data conversion of second acquisition unit acquisition gas at second
Flow signal, and the second flow signal is exported；
The tidal volume computing unit being connected respectively with first data processing unit and second data processing unit,
For receiving the first flow signal and the second flow signal, and according to the first flow signal and the second
It measures signal and calculates tidal volume；
Wherein, the output of the tidal volume computing unit is the output of the data processing unit.
The utility model also provides a kind of ventilator, including tidal volume described in ventilator ontology and above-mentioned any one
Monitoring device.
It can be seen from the above technical proposal that a kind of monitoring device of tidal volume provided by the utility model, the first acquisition
Unit acquires the gas volume flow data of gas in suction line, and the second acquisition unit acquires gas in expiration pipeline
Collected data are transmitted to by gas volume flow data, the first acquisition unit and the second acquisition unit respectively is set to breathing
Data processing unit in machine, data processing unit are counted by the data that the first acquisition unit and the second acquisition unit transmit
It calculates, obtains tidal volume.Tidal volume when breathing can be obtained by the device, can be mentioned for the automatic feedback formula system of invasive ventilation
For accurate clinical parameter, the development bottleneck of invasive ventilation is broken through.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is a kind of structure chart of the monitoring device of tidal volume disclosed in the utility model embodiment；
Fig. 2 is the structure chart of another kind data processing unit disclosed in the utility model embodiment；
Fig. 3 is applied to system leak measurement for a kind of monitoring device of tidal volume disclosed in the utility model embodiment
Working principle diagram；
Fig. 4 is when a kind of monitoring device of tidal volume disclosed in the utility model embodiment is applied to examining system leakage rate
Gas flow monitoring figure；
Fig. 5 is applied to work when patient breaths for a kind of monitoring device of tidal volume disclosed in the utility model embodiment
Schematic diagram；
Fig. 6 is applied to gas when patient breaths for a kind of monitoring device of tidal volume disclosed in the utility model embodiment
Flow monitoring figure；
Fig. 7 is applied to work when patient expiration for a kind of monitoring device of tidal volume disclosed in the utility model embodiment
Schematic diagram；
Fig. 8 is applied to gas when patient expiration for a kind of monitoring device of tidal volume disclosed in the utility model embodiment
Flow monitoring figure；
Fig. 9 is the structure chart of the monitoring device of another kind tidal volume disclosed in the utility model embodiment.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
In the present invention, the terms "include", "comprise" or its any other variant are intended to nonexcludability
It include so that the process, method, article or equipment for including a series of elements not only includes those elements, but also to wrap
Include other elements that are not explicitly listed, or further include for this process, method, article or equipment intrinsic want
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including described want
There is also other identical elements in the process, method, article or equipment of element.
Referring to Fig. 1, the utility model embodiment provides a kind of monitoring device of tidal volume, comprising:
First acquisition unit 101, the gas volume flow of live gas in the suction line for acquiring the ventilator
Data, and the gas volume flow data of live gas in the suction line of the ventilator are exported.
Optionally, in another embodiment of the utility model, the first acquisition unit 101 is gas volume flow sensor.
The gas volume flow sensor perceives gas flow by specific sensing element, then by conversion element, by gas stream
Amount is converted into electric signal.
For example, adding thermal resistance formula gas volume flow sensor, sensing element is adding thermal resistance, and what is utilized is that fluid flows through
When thermal objects, absorb the principle of the heat of thermal objects, thermal objects heat loss number with the flow of fluid in certain
Proportionate relationship.Two identical adding thermal resistances are set in the sensor, when fluid flows through a heating resistor, part can be absorbed
Heat, so that heating resistor temperature reduces, i.e. there are temperature difference, the flow of obtained temperature difference and fluid is in two adding thermal resistances
An existing linear relationship, is converted to electric signal by electronics micro-control circuit for temperature difference, realizes the flow monitoring of fluid.
Optionally, in another embodiment of the utility model, the gas volume flow sensor is in addition to can be heating
Resistance-type gas volume flow sensor can also be that laminar-flow type gas volume flow sensor or turbine type gas hold
Product flow sensor or optical fiber type gas volume flow sensor etc..
Optionally, in another embodiment of the utility model, a kind of embodiment of the first acquisition unit 101, by first
Acquisition unit 101 is set to inside the ventilator.
It should be noted that the acquisition of the first acquisition unit 101 is live gas that ventilator is output in breathing pipeline,
There is no the possibility for being infected with upper germ, so not being strict with the installation site of the first acquisition unit 101.First acquisition unit
101 installations are internal to breathing, and it is defeated that the gas volume flow data of the first acquisition unit 101 acquisition gas are comparatively close to ventilator
The gas volume flow data of gas out.
Certainly, in the another embodiment of the first acquisition unit 101, the first acquisition unit 101 is set to the breathing
In the suction line outside machine.
Wherein, first acquisition unit 101 belongs to electronic device, probably due to long-term use and break down, inhale
Gas in air pipe is to be supplied in patient respiratory, and the failure of device may impact the breathing of patient, influences patient
Health.Therefore, the first acquisition unit 101 is installed in suction line, can be replaced as needed, the operation such as management.
Second acquisition unit 102, the gas volume flow data of gas in the expiration pipeline for acquiring the ventilator,
And the gas volume flow data of gas in the expiration pipeline of the ventilator are exported.
Wherein, the gas flow in expiration pipeline can change with the breathing of patient.There is no patient's use based on ventilator
When the gas volume flow data that acquire on, when patient carries out air-breathing, the fresh gas flow that is recycled in expiration pipeline with do not have
Gas flow comparison when patient's use can be reduced；And patient, when exhaling, the gas recycled in expiration pipeline includes
The gas of live gas and patient's exhalation, the gas flow and ventilator of recycling do not have gas flow comparison meeting when patient's use
It increased, air-breathing and expiration are a continuous processes, and therefore, the figure presented is a waveform, referring specifically to such as
Under tidal volume monitoring device application.
Optionally, in another embodiment of the utility model, the second acquisition unit 102 is gas volume flow sensor,
For details, reference can be made to the contents of above-mentioned first acquisition unit 101, and details are not described herein again.
Optionally, in another embodiment of the utility model, the gas volume flow sensor is that laminar-flow type gas holds
Product flow sensor adding thermal resistance formula gas volume flow sensor or turbine type gas volume flow sensing
Device or optical fiber type gas volume flow sensor.
Optionally, in another embodiment of the utility model, a kind of embodiment of the second acquisition unit 102, by second
Acquisition unit 102 is set in the expiration pipeline outside the ventilator.
Wherein, for the second acquisition unit 102 unlike the first acquisition unit 101, the second acquisition unit 102 is collected
Gas in expiration pipeline includes the gas of patient's exhalation, and over the course for the treatment of, the gas of patient's exhalation can enter exhaust tube
Lu Zhong, the gas of exhalation may carry germ, and the second acquisition unit 102 may be infected with the germ in expiration pipeline, so, it needs
Will often be carried out disinfection processing, therefore, it is necessary to which, convenient for dismantling, carry out disinfection processing in device and expiration pipeline.
The data processing unit 103 being connected respectively with the first acquisition unit 101 and the second acquisition unit 102, for receiving
First acquisition unit 101 acquires the gas volume flow data of gas and the gas volume of the second acquisition unit 102 acquisition gas
Data on flows, and acquired according to the gas volume flow data and the second acquisition unit 102 of the first acquisition unit 101 acquisition gas
The gas volume flow data of gas calculate tidal volume.
Wherein, the control chip inside ventilator can be used in data processing unit 103, completes the calculating of tidal volume, uses
, can be integrated with ventilator internal circuit by data processing unit 103 when ventilator inside chip, realize integration；It can be with
Setting possesses the control circuit of independent control chip in data processing unit 103, and data processing unit 103 at this time is just independent
In ventilator, when needing to survey tidal volume, it is matched with ventilator and completes measurement, the program uses the work run independently of ventilator
The smart of the device is improved as mode；The program that the control chip is used to run required for carrying data processing unit.
A kind of monitoring device of tidal volume provided by the utility model, the first acquisition unit 101 acquire in suction line
The gas volume flow data of gas, the second acquisition unit 102 acquire the gas volume flow data of gas in expiration pipeline；
Collect the first acquisition unit 101 of data, the second acquisition unit 102 transfers data to be set to inside ventilator respectively
Data processing unit 103 calculates corresponding tidal volume by the data processing unit 103.The device can obtain accurately
Tidal volume can provide accurate clinical parameter for the automatic feedback formula system of invasive ventilation, break through the development bottleneck of invasive ventilation.
Optionally, referring to fig. 2, in another embodiment of the utility model, a kind of embodiment party of data processing unit 103
Formula, comprising:
The first data processing unit 201 being connected with the first acquisition unit 101 is adopted for receiving the first acquisition unit 101
The gas volume flow data for collecting gas, by the gas volume flow data conversion of the first acquisition unit 101 acquisition gas at the
One flow signal, and the first flow signal is exported.
The second data processing unit 202 being connected with the second acquisition unit 102 is adopted for receiving the second acquisition unit 102
The gas volume flow data for collecting gas, by the gas volume flow data conversion of the second acquisition unit 102 acquisition gas at the
Two flow signals, and the second flow signal is exported.
The tidal volume computing unit being connected respectively with the first data processing unit 201 and the second data processing unit 202
203, for receiving the first flow signal and the second flow signal, and according to the first flow signal and described
Two flow signals calculate tidal volume.
Wherein, the output of tidal volume computing unit 203 is the output of data processing unit 103.
Referring to Fig. 3, in order to calculate tidal volume, first computing system leakage rate is needed:
System leak amount is calculated in the case where no patient's use, specific as follows:
Start ventilator, ventilator is allowed to work normally.
First acquisition unit 101 acquires the gas flow in suction line, obtains gas volume flow data D1；Second adopts
Collect the gas flow in the acquisition expiration pipeline of unit 102, obtains gas volume flow data D2；The acquisition of first acquisition unit 101
The gas volume flow data D1 of gas obtains first flow signal F1 after handling by the first data processing unit 201；Second
The gas volume flow data D2 that acquisition unit 102 acquires gas obtains second after handling by the second data processing unit 202
Flow F 2.
Referring to fig. 4, F1 is total gas flow signals of breathing output, i.e. first flow signal；F2 is the ventilator
The gas flow signals of recycling, i.e. second flow signal；Because patient has neither part nor lot in the gas exchanges of ventilator, therefore, system leak
Measure F3 are as follows:
F3=F1-F2
In the case where patient has neither part nor lot in the gas exchanges of ventilator, such as above formula, total gas flow of ventilator output
Equal to system leak amount and recycling fresh gas flow and；To obtain the leakage rate of system, the system leak amount is used for
The calculating of air-breathing tidal volume and expiration tidal volume.
Referring to Fig. 5, in coming into operation, tidal volume when patient breaths is calculated:
First acquisition unit 101 collects the gas flow in suction line, obtains gas volume flow data D1；This
When, gas exchanges have occurred in patient's use process, the gas flow in expiration pipeline changes with the breathing of patient, institute
With in patient breaths, gas flow in the collected expiration pipeline of the second acquisition unit 102 obtains gas volume flow
Data D4；The gas volume flow data D1 that first acquisition unit 101 acquires gas is handled by the first data processing unit 201
After obtain first flow signal F1；The gas volume flow data D4 that second acquisition unit 102 acquires gas passes through the second data
F4, i.e. the 4th flow signal are obtained after the processing of processing unit 202；System leak amount is F3；F1, F3, F4 are passed to moisture respectively
Computing unit 203 is measured, integral operation is carried out to three signals in inspiratory duration Ti, obtains Vi1, Vi3, Vi4.
Referring to Fig. 6, F1 is total gas flow signals of breathing output, i.e. first flow signal；F3 is that the ventilator is deposited
System leak amount, i.e. third flow signal；F4 is the gas flow signals when patient carries out air-breathing in expiration pipeline, i.e.,
4th flow signal；The gas that the ventilator is exported is equal to the live gas of recycling and live gas and the trouble of system leak
The sum of the live gas of person's sucking.Therefore, the tidal volume of patient's sucking are as follows:
Q1=Vi1-Vi4-Vi3
To obtain the tidal volume Q1 of patient's sucking.Wherein, tidal volume=inspiratory duration * supports flow velocity, it is hereby understood that inhaling
The gas time is longer, and air-breathing tidal volume is bigger.
Referring to Fig. 7, in coming into operation, tidal volume when patient expiration is calculated:
First acquisition unit 101 acquires the gas flow in suction line, obtains gas volume flow data D1；At this point,
Gas exchanges have occurred in patient's use process, the gas flow in expiration pipeline changes with the breathing of patient, so, the
Two acquisition units 102 acquire the gas flow in expiration pipeline, obtain gas volume flow data D5；First acquisition unit 101
The gas volume flow data D1 of acquisition gas obtains F1 after handling by the first data processing unit 201, i.e. first flow is believed
Number；The gas volume flow data D5 that second acquisition unit 102 acquires gas is obtained after being handled by the second data processing unit 202
To F5, i.e. the 5th flow signal；System leak amount is F3；F1, F3, F5 are passed to tidal volume computing unit 203, in expiratory duration
Integral operation is carried out to three signals in Te, obtains Ve1, Ve3, Ve5.
Referring to Fig. 8, F1 is total gas flow signals of breathing output, i.e. first flow signal；F3 is that the ventilator is deposited
System leak amount；F5 is the gas flow signals when patient exhales in expiration pipeline, i.e. the 5th flow signal；It exhales
The gas of suction machine output, is not inhaled by a patient, at this point, the gas of ventilator output only has recovery section and leakage part, and
The gas of patient's exhalation also only has recovery section and leakage part.The tidal volume of patient's exhalation are as follows:
Q2=Ve5-Ve1+Ve3
To obtain the tidal volume Q2 of patient's exhalation.
Tidal volume (Tidal volume, TV) refers to the tolerance for sucking or breathing out every time when normal respiration.It and age, property
Not, volumetric surface, breathing habit, body metabolism are related.The tidal volume of setting is often referred to sucking tolerance.The setting of tidal volume
And it is non-constant, it should be adjusted according to the blood gas analysis of patient.Under normal circumstances: adult: 8-10ml/kg, children: 6-10ml/
kg.The physiology tidal volume greater than people is had in the output of ventilator live gas, and physiology tidal volume is 6~10 milliliters/kilogram, and
The output quantity of ventilator is up to 10~15 milliliters/kilogram, often the 1~2 of physiology tidal volume times.Will also according to chest rise,
The parameters such as two lung air inlet situations, blood gas analysis and inspiratory/expiratory are auscultated further to adjust.
Optionally, the monitoring device of the tidal volume is also wrapped in addition to the detection device for including tidal volume referring to Fig. 9
It includes:
Control of breathing unit 301, for receiving the tidal volume of data processing unit output, and according to the data at
The tidal volume of reason unit output controls the parameter of the ventilator.
After tidal volume computing unit calculates tidal volume, need to export tidal volume, for adjusting ventilator parameter, from
And realize automatic feedback formula systematic difference.
For example, the setting of venting pressure, the first acquisition unit acquires the gas flow data of ventilator output, the second acquisition
Unit acquires the gas flow data in expiration pipeline, is calculated, is sucked according to collected data by data processing unit
Tidal volume and exhalation tidal volume, feed back to control of breathing unit for resulting tidal volume, control of breathing unit receives patient's
After sucking tidal volume and exhalation tidal volume, exhaled according to situations such as chest rise, auscultation two lung air inlet situations, blood gas analysis to adjust
The venting pressure of suction machine.
Another embodiment of the utility model also provides a kind of ventilator, including ventilator ontology and the utility model are provided
Embodiment in any one tidal volume monitoring device.
Wherein, live gas is transmitted to ventilator for exporting live gas by the ventilator ontology comprising breathing pipeline
In external suction line；It is also used to receive the gas in the expiration pipeline outside ventilator.The suction line is exhaled with described
Air pipe belongs to a part of the breathing pipeline of ventilator, and suction line is used for transmission live gas, and breathing pipeline is used for back
Getter body；Ventilator automatically adjusts the venting pressure, fluid flow, suction of ventilator according to the gas of output and the gas of recycling
The parameters such as the tidal volume for exhaling ratio, ventilator to export.
Wherein, the tidal volume that the ventilator is exported has to the physiology tidal volume greater than people, and physiology tidal volume is 6~
10 milliliters/kilogram, and the moisture output quantity of ventilator is up to 10~15 milliliters/kilogram, often 1 to 2 times of physiology tidal volume.
It also further to be adjusted according to situations such as chest rise, auscultation two lung air inlet situations, blood gas analysis, select suitable output quantity,
Adjuvant treatment.
The monitoring device of tidal volume, comprising:
First acquisition unit 101, the gas volume flow data of gas in the suction line for acquiring the ventilator,
And the gas volume flow data of gas in the suction line of the ventilator are exported.
Second acquisition unit 102, the gas volume flow data of gas in the expiration pipeline for acquiring the ventilator,
And the gas volume flow data of gas in the expiration pipeline of the ventilator are exported.
The data processing unit 103 being connected respectively with the first acquisition unit 101 and the second acquisition unit 102, for receiving
First acquisition unit 101 acquires the gas volume flow data of gas and the gas volume of the second acquisition unit 102 acquisition gas
Data on flows, and acquired according to the gas volume flow data and the second acquisition unit 102 of the first acquisition unit 101 acquisition gas
The gas volume flow data of gas calculate tidal volume.
Wherein, the monitoring device of tidal volume is connected with the control of breathing unit 301 inside ventilator, outside the ventilator
The breathing pipeline in portion is connected.The monitoring device of tidal volume acquires the gas flow data in the breathing pipeline, and tide is calculated
Tolerance, and tidal volume is exported to control of breathing unit 301.
A kind of ventilator provided by the utility model, is suitable for invasive ventilation field, and object to be treated is that thorax is not yet sent out
It educates completely, the premature excessively expanded or newborn of lung can not be constrained.Respiratory siphon is acquired by the monitoring device of tidal volume
Gas flow in road, data processing unit 103 in monitoring device of the collected gas flow again through the tidal volume,
It is calculated, obtains tidal volume, gained tidal volume is transmitted to control of breathing unit 301, completes the feedback of tidal volume.Patient is logical
It crosses and breathes resulting tidal volume as feedback, automatically adjust ventilator parameter, provide the parameters such as suitable venting pressure for patient,
Realize better nursing for treating.Meanwhile the ventilator automatic feedback formula system that is fed back to of tidal volume provides foundation, realizes certainly
Dynamic reaction type systematic difference provides effective clinical parameter for invasive ventilation field, breaks through the hair of automatic feedback formula system
Open up bottleneck.
Optionally, the monitoring device of the tidal volume, further includes:
Control of breathing unit 301, the tidal volume that processing unit 103 exports for receiving data, and according to data processing list
The tidal volume of 103 output of member controls the parameter of the ventilator.
Optionally, the first acquisition unit 101 is gas volume flow sensor.
Optionally, the gas volume flow sensor is laminar-flow type gas volume flow sensor, or heating electricity
Resistive gas volume flow sensor turbine type gas volume flow sensor or optical fiber type gas hold
Product flow sensor.
Optionally, the second acquisition unit 102 is gas volume flow sensor.
Optionally, the gas volume flow sensor is laminar-flow type gas volume flow sensor, or heating electricity
Resistive gas volume flow sensor turbine type gas volume flow sensor or optical fiber type gas hold
Product flow sensor.
Optionally, acquisition unit 101 are set to inside the ventilator, or are set to the institute outside the ventilator
It states in suction line.
Optionally, the second acquisition unit 102 is set in the expiration pipeline outside the ventilator.
Optionally, data processing unit 103, comprising:
The first data processing unit 201 being connected with the first acquisition unit 101 is adopted for receiving the first acquisition unit 101
The gas volume flow data for collecting gas, by the gas volume flow data conversion of the first acquisition unit 101 acquisition gas at the
One flow signal, and the first flow signal is exported.
The second data processing unit 202 being connected with the second acquisition unit 102 is adopted for receiving the second acquisition unit 102
The gas volume flow data for collecting gas, by the gas volume flow data conversion of the second acquisition unit 102 acquisition gas at the
Two flow signals, and the second flow signal is exported.
The tidal volume computing unit being connected respectively with the first data processing unit 201 and the second data processing unit 202
203, for receiving the first flow signal and the second flow signal, and according to the first flow signal and described
Two flow signals calculate tidal volume.
Wherein, the output of tidal volume computing unit 203 is the output of data processing unit 103.
In the above-mentioned several embodiments of the utility model, the work of all parts in the monitoring device of the tidal volume in ventilator
Process, reference can be made to the content of the monitoring device corresponding embodiment of above-mentioned tidal volume, details are not described herein again.
All the embodiments in this specification are described in a progressive manner, same and similar portion between each embodiment
Dividing may refer to each other, and each embodiment focuses on the differences from other embodiments.Especially for system or
For system embodiment, since it is substantially similar to the method embodiment, so describing fairly simple, related place is referring to method
The part of embodiment illustrates.System and system embodiment described above is only schematical, wherein the conduct
The unit of separate part description may or may not be physically separated, component shown as a unit can be or
Person may not be physical unit, it can and it is in one place, or may be distributed over multiple network units.It can root
According to actual need that some or all of the modules therein is selected to achieve the purpose of the solution of this embodiment.Ordinary skill
Personnel can understand and implement without creative efforts.
Professional further appreciates that, unit described in conjunction with the examples disclosed in the embodiments of the present disclosure
And algorithm steps, can be realized with electronic hardware, computer software, or a combination of 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 implemented in hardware or software actually, the specific application and design constraint depending on technical solution.Profession
Technical staff can use different methods to achieve the described function each specific application, but this realization is not answered
Think beyond the scope of the utility model.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (7)
1. a kind of monitoring device of tidal volume, which is characterized in that be applied to ventilator, comprising:
First acquisition unit, the gas volume flow data of gas in the suction line for acquiring the ventilator, and by institute
State the gas volume flow data output of gas in the suction line of ventilator, wherein first acquisition unit is gas appearance
Product flow sensor；
Second acquisition unit, the gas volume flow data of gas in the expiration pipeline for acquiring the ventilator, and by institute
State the gas volume flow data output of gas in the expiration pipeline of ventilator, wherein second acquisition unit is gas appearance
Product flow sensor；
The data processing unit being connected respectively with first acquisition unit and second acquisition unit, for receiving described
One acquisition unit acquires the gas volume flow data of gas and the gas volume flow of second acquisition unit acquisition gas
Data, and gas is acquired according to the gas volume flow data and second acquisition unit of first acquisition unit acquisition gas
The gas volume flow data of body calculate tidal volume.
2. the monitoring device of tidal volume according to claim 1, which is characterized in that further include:
Control of breathing unit, for receiving the tidal volume of the data processing unit output, and according to the data processing unit
The tidal volume of output controls the parameter of the ventilator.
3. the monitoring device of tidal volume according to claim 1, which is characterized in that the gas volume flow sensor is
Laminar-flow type gas volume flow sensor adding thermal resistance formula gas volume flow sensor or turbine type gas
Volume flow sensor or optical fiber type gas volume flow sensor.
4. the monitoring device of tidal volume according to claim 1, which is characterized in that first acquisition unit is set to
Inside the ventilator, or it is set in the suction line outside the ventilator.
5. the monitoring device of tidal volume according to claim 1, which is characterized in that second acquisition unit is set to
In the expiration pipeline outside the ventilator.
6. the monitoring device of tidal volume according to claim 1, which is characterized in that the data processing unit, comprising:
The first data processing unit being connected with first acquisition unit, for receiving the first acquisition unit acquisition gas
Gas volume flow data, by first acquisition unit acquisition gas gas volume flow data conversion at first flow
Signal, and the first flow signal is exported；
The second data processing unit being connected with second acquisition unit, for receiving the second acquisition unit acquisition gas
Gas volume flow data, by second acquisition unit acquisition gas gas volume flow data conversion at second flow
Signal, and the second flow signal is exported；
The tidal volume computing unit being connected respectively with first data processing unit and second data processing unit, is used for
The first flow signal and the second flow signal are received, and is believed according to the first flow signal and the second flow
Number calculate tidal volume；
Wherein, the output of the tidal volume computing unit is the output of the data processing unit.
7. a kind of ventilator, which is characterized in that the moisture including ventilator ontology and as described in any one of claim 1-6
The monitoring device of amount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109259766A (en) * | 2018-11-16 | 2019-01-25 | 培婴（湖北）医学技术有限公司 | The monitoring device and ventilator of tidal volume |
| CN111044237A (en) * | 2019-12-31 | 2020-04-21 | 湖南明康中锦医疗科技发展有限公司 | Self-checking system and method for water tank of respiratory support equipment |
| CN111658918A (en) * | 2020-05-27 | 2020-09-15 | 山东大学 | Multi-respiration index synchronous measurement system and method |
| WO2022141549A1 (en) * | 2020-12-31 | 2022-07-07 | 深圳迈瑞生物医疗电子股份有限公司 | Respiratory ventilation method and device, anesthesia machine and computer-readable storage medium |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109259766A (en) * | 2018-11-16 | 2019-01-25 | 培婴（湖北）医学技术有限公司 | The monitoring device and ventilator of tidal volume |
| CN111044237A (en) * | 2019-12-31 | 2020-04-21 | 湖南明康中锦医疗科技发展有限公司 | Self-checking system and method for water tank of respiratory support equipment |
| CN111658918A (en) * | 2020-05-27 | 2020-09-15 | 山东大学 | Multi-respiration index synchronous measurement system and method |
| WO2022141549A1 (en) * | 2020-12-31 | 2022-07-07 | 深圳迈瑞生物医疗电子股份有限公司 | Respiratory ventilation method and device, anesthesia machine and computer-readable storage medium |
| CN116782972A (en) * | 2020-12-31 | 2023-09-19 | 深圳迈瑞动物医疗科技股份有限公司 | Breathing ventilation method, device, anesthesia machine and computer readable storage medium |
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