CN104623777B - Pressure generator type recognition method and device - Google Patents
Pressure generator type recognition method and device Download PDFInfo
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- CN104623777B CN104623777B CN201510091577.2A CN201510091577A CN104623777B CN 104623777 B CN104623777 B CN 104623777B CN 201510091577 A CN201510091577 A CN 201510091577A CN 104623777 B CN104623777 B CN 104623777B
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Abstract
The invention discloses a pressure generator type recognition method. The method includes the steps of acquiring a pressure signal of an intake end of a pressure generator in a respirator, a pressure signal of an adnasal end of the pressure generator and a flow signal of gas flowing by the pressure generator; calculating a correspondence of the signals; acquiring feature relations among the intake end pressures and adnasal end pressures of various pressure generators, suitable for the respirator, and the flows of gas flowing by the pressure generators; comparing the correspondence with the feature relations of the pressure generators so as to determine the types of the pressure generators. The pressure generator type recognition method and device has the advantages that medical staff can directly use recognition results to accurately set the types of the pressure generators in the respirator, mistaken setting caused by the fact that the medical staff is not familiar with the types of the pressure generators in the respirator and safety is high. The invention further discloses the pressure generator type recognition device.
Description
Technical field
The present invention relates to technical field of medical equipment, more particularly to a kind of pressure generator kind identification method and dress
Put.
Background technology
Current respirator (such as neonate per nasal noninvasive ventilator) can be divided into according to its Positive Airway Pressure producing method:
(1) the dual circuit type respirator with mechanical outlet valve, produces Positive Airway Pressure by the pressure of control machinery outlet valve；(2) make
With the respirator of pressure generator, produce Positive Airway Pressure by adjusting flow velocity size.Using pressure generator respirator with
It is capable of nearly nose pressure monitoring and is clinically more and more applied.
The type of the pressure generator be applied to respirator is many at present, and different pressure generator types has difference
Pressure and flow corresponding relation.Traditional respirator can not carry out automatic identification to pressure generator type, needs by curing
Shield personnel pre-set pressure generator type, and the pressure according to pressure generator and flow corresponding relation featured configuration flow or
Ventilated after pressure, operation more bothers.And medical personnel are not corresponding with pressure to the flow of every kind of pressure generator
Relation property is all it is clear that some that can lead to clinically arrange and then lead to respirator pressure output abnormal and produce clinic by mistake
Risk.
Content of the invention
Based on this it is necessary to be directed to the problems referred to above, provide one kind being capable of automatic identification pressure generator type and safety
Higher pressure generator kind identification method.
Additionally provide a kind of pressure generator type identification device.
A kind of pressure generator kind identification method, for automatically being known to the type of the pressure generator in respirator
, do not comprise the following steps: the inlet end pressure signal of pressure generator, nearly nose pressure signal and the stream gathering in respirator
Gas flow signals through described pressure generator；Calculate described inlet end pressure signal, nearly nose pressure signal and described
Corresponding relation between gas flow signals three；Obtain the air inlet side pressure of each pressure generator type being applicable to respirator
Characteristic relation between power, nearly nose pressure and the gas flow flowing through pressure generator；Identify described pressure generator
Type；Specifically, by the air inlet end pressure of calculated corresponding relation and each pressure generator type, nearly nose pressure and
Flow through the characteristic relation between the gas flow of pressure generator and be compared so that it is determined that the type of described pressure generator.
Wherein in an embodiment, the inlet end pressure signal of pressure generator in described collection respirator, nearly nose
Further comprise the steps of: to pressure sensing before the step of side pressure force signal and the gas flow signals flowing through described pressure generator
Device carries out zero point correction.
Wherein in an embodiment, the inlet end pressure signal of pressure generator in described collection respirator, nearly nose
After the step of side pressure force signal and the gas flow signals flowing through described pressure generator, described calculating described air inlet side pressure
Also include before the step of corresponding relation between force signal, nearly nose pressure signal and described gas flow signals three walking
Rapid: described inlet end pressure signal and described nearly nose pressure signal to be amplified, Filtering Processing.
Wherein in an embodiment, also include after the step of type of the described pressure generator of described identification: automatically
Update the pressure generator type of described respirator.
Wherein in an embodiment, after the described step of pressure generator type automatically updating described respirator also
Including step: arrange pressure or the flow of pressure generator according to the characteristic relation of the pressure generator type after updating.
Wherein in an embodiment, after the described step of type identifying described pressure generator, described automatically more
Newly further comprise the steps of: before the step of pressure generator type of described respirator judge the pressure generator type that recognizes with
In described respirator, whether default pressure generator type is consistent；If it is not, automatically updating described respirator described in then executing
The step of pressure generator type, and send alarm；If so, then end operation.
A kind of pressure generator type identification device, for automatically being known to the type of the pressure generator in respirator
Not, comprising: inlet end pressure transducer, for gathering the inlet end pressure signal of pressure generator；Nearly nose pressure transducer,
For gathering the nearly nose pressure signal of described pressure generator；Gas flow sensor, flows through described pressure for collection and sends out
The gas flow signals of raw device；Memory module, is applicable to the inlet end of each pressure generator type of respirator for storage
Characteristic relation between pressure, nearly nose pressure and the gas flow flowing through pressure generator；And control module, including meter
Calculate unit, for calculating between described inlet end pressure signal, nearly nose pressure signal and described gas flow signals three
Corresponding relation；Recognition unit, for identifying the type of described pressure generator according to described corresponding relation；Specifically, will count
The corresponding relation obtaining and the described air inlet end pressure of each pressure generator type of storage, nearly nose in described memory module
Characteristic relation between pressure and described gas flow is compared so that it is determined that the type of described pressure generator.
Wherein in an embodiment, also include signal processing circuit, for described inlet end pressure signal, nearly nose
Pressure signal is amplified, Filtering Processing.
Wherein in an embodiment, also include school zero circuit, pass with described control module, described air inlet end pressure respectively
Sensor and described nearly nose pressure transducer connect；Described school zero circuit is used under the control of described control module to described
Inlet end pressure transducer and described nearly nose pressure transducer carry out zero point correction.
Wherein in an embodiment, described control module also includes judging unit and updating block；Described judgement is single
Whether unit is consistent with pressure generator type default in described respirator for judging the pressure generator type recognizing；Institute
State updating block for judging that the pressure generator type recognizing is default with described respirator in described judging unit
During pressure generator Type-Inconsistencies, update the pressure generator type in respirator.
Above-mentioned pressure generator kind identification method and device, according to the inlet end pressure signal collecting, nearly nose
Pressure signal and gas flow signals calculate the corresponding relation between three, and by calculated corresponding relation with known
It is applicable to the air inlet end pressure of each pressure generator type, nearly nose pressure and the gas flowing through pressure generator of respirator
Characteristic relation between body flow is compared, thus realizing the automatic accurate knowledge to the pressure generator type in respirator
Not.By above-mentioned pressure generator kind identification method and device, medical personnel can directly utilize recognition result to breathing
Pressure generator type in machine is accurately arranged, and can be prevented effectively from and due to medical personnel, the pressure in respirator be occurred
Device type does not know the mistake setting leading to, and safety is higher.
Brief description
Fig. 1 is the flow chart of the pressure generator kind identification method in an embodiment；
Fig. 2 is the flow chart of the pressure generator kind identification method in another embodiment；
Fig. 3 is the structural representation of the pressure generator identifying device in an embodiment；
Fig. 4 is the circuit theory diagrams of the school zero circuit in the pressure generator identifying device shown in Fig. 3；
Fig. 5 is the structural representation of school zero valve in the pressure generator identifying device shown in Fig. 3；
Fig. 6 is the circuit theory diagrams of the signal processing circuit in the pressure generator identifying device shown in Fig. 3.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with drawings and Examples, right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only in order to explain the present invention, and
It is not used in the restriction present invention.
Fig. 1 is the flow chart of the pressure generator kind identification method in an embodiment, for the pressure in respirator
The type of generator carries out automatic identification.In the present embodiment, pressure generator is that a kind of single breathing pipeline connects, can pass through to hold
Continuous air-flow produces the device of airway pressure.Pressure generator is arranged on patient's nasal cavity, is connected with patient by nasal obstruction or nose cup,
Operation principle is the size of the gas flow by adjusting pressure generator, realizes different airway pressures.A kind of pressure occurs
Device kind identification method comprises the following steps:
S110, gathers the inlet end pressure signal of pressure generator in respirator, nearly nose pressure signal and flows through
The gas flow signals of pressure generator.
The inlet end setting inlet end pressure transducer of the pressure generator in respirator enters to inlet end pressure signal
Row collection, the pressure signal collecting is p1.In the nearly nose of pressure generator, nearly nose pressure transducer is set to nearly nose
Pressure signal is acquired, and the pressure signal collecting is p2.In the present embodiment, export the gas bag in pressure generator
Include oxygen source and air source of the gas, therefore respectively corresponding flow transducer is set in each source output end and sends out to being sent to pressure
Oxygen flow f1 in raw device and air mass flow f2 are acquired, thus realizing to the gas flow f flowing through in pressure generator
Collection.In other examples it is also possible to pass through a flow transducer to the gas flow f flowing through in pressure generator
It is acquired.Gas flow exports pressure generator by pipeline, and in the presence of pressure generator, finally patient's
Nearly nose produces Positive Airway Pressure.
In the present embodiment, for improving the precision of gathered data, also can execution step: to inlet end pressure signal, near
Nose pressure signal is amplified, Filtering Processing.For improve gathered data precision also can before s110 execution step: right
Pressure transducer carries out zero point correction.That is, unlatching and the closing of school zero valve are controlled by school zero circuit, thus realizing to pressure
The zero point correction of sensor, to ensure precision and the accuracy of gathered data.
S120, calculates the correspondence between inlet end pressure signal, nearly nose pressure signal and gas flow signals three
Relation.
It is right between three to be calculated by inlet end pressure signal, nearly nose pressure signal and the gas flow collecting
Should be related to.For can accurately calculate this corresponding relation, acquisition can be calculated by gathering multi-group data.Occur in pressure
In device, when flowing through the gas flow in pressure generator in different scopes, inlet end pressure signal, nearly nose pressure signal
Between can there are different corresponding relations, therefore can by gather the inlet end pressure signal under gas with various range of flow,
Nearly nose pressure signal is obtaining the corresponding relation between three.
S130, obtain be applicable to the air inlet end pressure of each pressure generator type of respirator, nearly nose pressure and
Flow through the characteristic relation between the gas flow of pressure generator.
Pressure generator type be applied to respirator is more at present, and different pressure generator types has different
Characteristic relation between air inlet end pressure, nearly nose pressure and the gas flow flowing through pressure generator.It is thus desirable to obtaining
The characteristic relation corresponding to pressure generator type being applicable in respirator existing up till now.Because s130 is only to follow-up
Step can produce impact, therefore in other examples, before s130 can also be placed on the step of s110 or s120.At this
In embodiment, for mitigating the workload of the identification process of whole pressure generator, for the different pressures with identical characteristics relation
Forcer type is all using a kind of pressure generator type therein as representative.Occurred with the pressure in per nasal noninvasive ventilator
As a example device type, its pressure generator type includes infant flow, medijet, infant flow lp and inspire
Ncpap is several, the characteristic basic of wherein infant flow, infant flow lp and inspire ncpap pressure generator
Cause, therefore in acquisition process, only with infant flow pressure generator as representative, characteristic relation such as table 1 institute that gets
Show.
Table 1: the air inlet end pressure of each pressure generator type of per nasal noninvasive ventilator, nearly nose pressure and flow through pressure
Characteristic relation between the gas flow of forcer
| Fresh gas flow f (l/min) | Infant flow pressure generator | Medijet pressure generator |
| ≤ 2 | p1>2*p2 | p1>p2+0.5 |
| > 2 ,≤10 | p1>2.5*p2 | p1>p2+1 |
| > 10 ,≤20 | p1>3*p2 | p1>1.5*p2 |
S140, the type of identification pressure generator.
The characteristic relation of calculated corresponding relation and each pressure generator type getting is compared, right
The pressure generator type in respirator is can determine that when should be related to and meet the characteristic relation of a certain pressure generator type, thus
Realize automatic identification pressure generator type.
Above-mentioned pressure generator kind identification method, according to the inlet end pressure signal collecting, nearly nose pressure signal
And gas flow signals calculate the corresponding relation between three, and calculated corresponding relation is applicable to known
The air inlet end pressure of each pressure generator type of respirator, nearly nose pressure and flow through pressure generator gas flow it
Between characteristic relation be compared, thus realizing automatic accurate identification to the pressure generator type in respirator.By upper
State pressure generator kind identification method, medical personnel can directly utilize recognition result to the pressure generator class in respirator
Type is accurately arranged, and can be prevented effectively from and not lead to because medical personnel know to the pressure generator type in respirator
Arrange, safety is higher by mistake.
Fig. 2 is the flow chart of the pressure generator kind identification method in another embodiment, including step s210～s270.
Wherein, s210～s240 by the agency of in the aforementioned embodiment, does not repeat herein.
S250, judges the pressure generator type that recognizes and default pressure generator type in respirator whether
Cause.
When default pressure generator Type-Inconsistencies in the pressure generator type recognizing with respirator, execute step
Rapid s260, otherwise then execution step s270.
S260, automatically updates the pressure occurrence type of respirator.
Pressure generator type in respirator is automatically updated, and sends alarm, remind medical personnel to reach
Reduce the risk of Clinical practice, improve safety.In the present embodiment, also can be according to the pressure generator type after updating
Characteristic relation arranges pressure or the flow of pressure generator, to reach accurate airway pressure output, is finally reached expected
Therapeutic effect, and reduce Clinical practice risk.
S270, end operation.
Above-mentioned pressure generator kind identification method, in the pressure generator type automatically identifying respirator and recognize
Pressure generator type and preset pressure generator Type-Inconsistencies when, automatically update and send alarm, clinic can be reduced
Application risk, improves safety.And, also can be sent out according to the characteristic relation setting pressure of the pressure generator type after updating
The pressure of raw device or flow, to reach accurate airway pressure output, are finally reached expected therapeutic effect, and reduce clinic
Application risk.
Present invention also offers a kind of pressure generator type identification device, for the pressure generator in respirator
Type carries out automatic identification, and its structural representation is as shown in Figure 3.In the present embodiment, pressure generator is a kind of individual calling suction pipe
Road connects, can produce by continuous flow the device of airway pressure.Pressure generator is arranged on patient's nasal cavity, by nasal obstruction or
Nose cup is connected with patient, and operation principle is the size of the air-flow by adjusting pressure generator, realizes different airway pressures.
A kind of pressure generator type identification device, including inlet end pressure transducer 302, nearly nose pressure transducer
304th, gas flow sensor 306, memory module (not shown) and control module (not shown).Wherein, air inlet side pressure
Force transducer 302 is arranged at the inlet end of pressure generator, i.e. the exit of live gass, for gathering entering of pressure generator
Gas side pressure force signal p1.Nearly nose pressure transducer 304 is then arranged at the nearly nose of pressure generator, for gathering nearly nose pressure
Force signal p2.In the present embodiment, export the gas in pressure generator and include oxygen source and air source of the gas, therefore distinguish
In each source output end, corresponding gas flow sensor 306 is set to the oxygen flow f1 being sent in pressure generator and sky
Throughput f2 is acquired, thus realizing the collection to the gas flow f flowing through in pressure generator.In other embodiments
In it is also possible to be acquired to the gas flow f in live gass exit by a flow transducer.In the present embodiment,
Flow transducer uses the high-precision flow sensor of honeywell company, high precision, good stability, can realize well leading to
The high precision monitor of throughput.Pressure transducer is then using the high accuracy differential pressure type pressure transducer of ge company, pressure transducer
Measurement range be 1psi (1psi=6.895kpa), output signal be differential signal.
For improve gathered data precision, above-mentioned pressure generator type identification device also include school zero circuit 308 with
And signal processing circuit (not shown).School zero circuit 308 is used under the control of control module to inlet end pressure transducer
302 and nearly nose pressure transducer 304 carry out zero point correction, to ensure precision and the accuracy of gathered data.In this reality
Apply in example, school zero circuit 308 includes circuit part and school zero valve, Fig. 4 is the circuit theory diagrams of school zero circuit 308, and Fig. 5 is then
The structural representation of school zero valve.In the present embodiment, school zero valve adopts 23 flow-through valves, and pressure transducer is connected to school zero valve
Port 2, the port 1 of school zero valve is then connected with air, and port 3 is pressure transducer thief hatch.Specifically, in pressure transducer
During normal work, port 3 is connected with port 2.When carrying out school zero to pressure transducer, port 3 closes, and port 2 and port 1 are even
Logical, against air, pressure inputs as 0 the thief hatch of pressure transducer.The switching of school zero valve is by the control of mos pipe q17 Lai real
Existing.
Signal processing circuit is used for inlet end pressure signal, nearly nose pressure signal are amplified, Filtering Processing.Pressure
Sensor adopts constant-current source type of drive, and Constant Current-Source Design adopts operational amplifier design, and driving current is set to 1ma.Amplifying circuit is adopted
Use instrumentation amplifier ad623, there is high input impedance, high cmrr, low noise, low drifting, temperature stability is good,
Amplification band width, the little advantage of noise coefficient, operational amplifier amplifies 35 times.Signal after amplification is through second-order active power filter circuit
Export after filtering to control module, its circuit theory is as shown in Figure 6.
Memory module is used for storage and is applicable to the air inlet end pressure of each pressure generator type of respirator, nearly nose pressure
Power and flow through pressure generator gas flow between characteristic relation.In the present embodiment, occur for mitigating whole pressure
The workload of the identification process of device, is all pressed with one kind therein for the different pressures generator type with identical characteristics relation
Forcer type is stored as representative.
Control module includes computing unit and recognition unit.Computing unit be used for calculating described inlet end pressure signal,
Nearly corresponding relation between nose pressure signal and described gas flow signals three.Recognition unit, calculates for basis
The corresponding relation arriving identifies the type of pressure generator.Specifically, recognition unit can be by calculated corresponding relation and storage
Characteristic relation between the air inlet end pressure of each pressure generator type of storage, nearly nose pressure and gas flow in module
It is compared, can determine that the pressure in respirator is sent out when corresponding relation meets the characteristic relation of a certain pressure generator type
Raw device type, thus realize automatic identification pressure generator type.
Above-mentioned pressure generator type identification device, according to the inlet end pressure signal collecting, nearly nose pressure signal
And gas flow signals calculate the corresponding relation between three, and calculated corresponding relation is applicable to known
The air inlet end pressure of each pressure generator type of respirator, nearly nose pressure and flow through pressure generator gas flow it
Between characteristic relation be compared, thus realizing automatic accurate identification to the pressure generator type in respirator.By upper
State pressure generator type identification device, medical personnel can directly utilize recognition result to the pressure generator class in respirator
Type is accurately arranged, and can be prevented effectively from and not lead to because medical personnel know to the pressure generator type in respirator
Arrange, safety is higher by mistake.
In another embodiment, control module also includes judging unit, updating block and alarm unit.Judging unit is used
Whether the pressure generator type recognizing in judgement is consistent with pressure generator type default in respirator.Updating block is used
In pressure generator type and the default pressure generator Type-Inconsistencies in respirator judging to recognize in judging unit
When, update the pressure generator type in respirator.Meanwhile, alarm unit can send alarm, to remind medical personnel to reach
Reduce the risk of Clinical practice, improve safety.In the present embodiment, updating block also can occur according to the pressure after updating
The characteristic relation of device type arranges pressure or the flow of pressure generator, to reach accurate airway pressure output, finally reaches
To expected therapeutic effect, and reduce Clinical practice risk.
Each technical characteristic of embodiment described above can arbitrarily be combined, for making description succinct, not to above-mentioned reality
The all possible combination of each technical characteristic applied in example is all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all it is considered to be the scope of this specification record.
Embodiment described above only have expressed the several embodiments of the present invention, and its description is more concrete and detailed, but simultaneously
Can not therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
Say, without departing from the inventive concept of the premise, some deformation can also be made and improve, these broadly fall into the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be defined by claims.
Claims (10)
1. a kind of pressure generator kind identification method, for automatically being known to the type of the pressure generator in respirator
, do not comprise the following steps:
The inlet end pressure signal of pressure generator in collection respirator, nearly nose pressure signal and flow through described pressure and send out
The gas flow signals of raw device；
Calculate the corresponding pass between described inlet end pressure signal, nearly nose pressure signal and described gas flow signals three
System；
Obtain and be applicable to the air inlet end pressure of each pressure generator type of respirator, nearly nose pressure and flow through pressure send out
Characteristic relation between the gas flow of raw device；
Identify the type of described pressure generator；Specifically, by calculated corresponding relation and each pressure generator type
Characteristic relation between air inlet end pressure, nearly nose pressure and the gas flow flowing through pressure generator is compared thus really
The type of fixed described pressure generator.
2. pressure generator kind identification method according to claim 1 is it is characterised in that in described collection respirator
The inlet end pressure signal of pressure generator, nearly nose pressure signal and the gas flow signals flowing through described pressure generator
Step before further comprise the steps of: zero point correction carried out to inlet end pressure transducer and nearly nose pressure transducer；Described
Inlet end pressure transducer is used for gathering described inlet end pressure signal；Described nearly nose pressure transducer is used for gathering described near
Nose pressure signal.
3. pressure generator kind identification method according to claim 1 is it is characterised in that in described collection respirator
The inlet end pressure signal of pressure generator, nearly nose pressure signal and the gas flow signals flowing through described pressure generator
Step after, the described inlet end pressure signal of described calculating, nearly nose pressure signal and described gas flow signals three
Between the step of corresponding relation before further comprise the steps of:
Described inlet end pressure signal and described nearly nose pressure signal are amplified, Filtering Processing.
4. pressure generator kind identification method according to claim 1 is it is characterised in that the described pressure of described identification is sent out
Also include after the step of type of raw device: automatically update the pressure generator type of described respirator.
5. pressure generator kind identification method according to claim 4 it is characterised in that described automatically update described in exhale
The characteristic relation according to the pressure generator type after updating is further comprised the steps of: after the step of pressure generator type of suction machine
The pressure of setting pressure generator or flow.
6. pressure generator kind identification method according to claim 4 is it is characterised in that the described pressure of described identification is sent out
After the step of type of raw device, also include walking before the described step of pressure generator type automatically updating described respirator
Rapid:
Judge whether the pressure generator type recognizing is consistent with pressure generator type default in described respirator；If
Step that is no, then automatically updating the pressure generator type of described respirator described in execution, and send alarm；If so, then terminate
Operation.
7. a kind of pressure generator type identification device, for automatically being known to the type of the pressure generator in respirator
Not it is characterised in that including:
Inlet end pressure transducer, for gathering the inlet end pressure signal of pressure generator；
Nearly nose pressure transducer, for gathering the nearly nose pressure signal of described pressure generator；
Gas flow sensor, flows through the gas flow signals of described pressure generator for collection；
Memory module, is applicable to the air inlet end pressure of each pressure generator type of respirator, nearly nose pressure for storage
And flow through the characteristic relation between the gas flow of pressure generator；And
Control module, including
Computing unit, for calculating described inlet end pressure signal, nearly nose pressure signal and described gas flow signals three
Corresponding relation between person；
Recognition unit, for identifying the type of described pressure generator according to described corresponding relation；Specifically, will be calculated
The described air inlet end pressure of each pressure generator type of storage in corresponding relation and described memory module, nearly nose pressure and
Characteristic relation between described gas flow is compared so that it is determined that the type of described pressure generator.
8. pressure generator type identification device according to claim 7 is it is characterised in that also include signal processing electricity
Road, for being amplified to described inlet end pressure signal, nearly nose pressure signal, Filtering Processing.
9. pressure generator type identification device according to claim 7, it is characterised in that also including school zero circuit, divides
It is not connected with described control module, described inlet end pressure transducer and described nearly nose pressure transducer；Described school zero electricity
Road is used under the control of described control module, described inlet end pressure transducer and described nearly nose pressure transducer being entered
Row zero point correction.
10. pressure generator type identification device according to claim 7 is it is characterised in that described control module is also wrapped
Include judging unit and updating block；
Described judging unit is used for pressure generator type and the default pressure generator in described respirator judging to recognize
Whether type is consistent；
Described updating block is used for judging in the pressure generator type and described respirator recognizing in described judging unit
During default pressure generator Type-Inconsistencies, update the pressure generator type in respirator.
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| CN114126691B (en) * | 2019-12-03 | 2024-10-11 | 深圳迈瑞生物医疗电子股份有限公司 | Pressure generating device identification method and system, ventilation support device, and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE9703290D0 (en) * | 1997-09-11 | 1997-09-11 | Siemens Elema Ab | ventilator |
| FR2850284B1 (en) * | 2003-01-27 | 2012-11-30 | Saime Sarl | BREATHING DEVICE AND REGULATION METHOD |
| EP1855749A4 (en) * | 2005-03-01 | 2011-11-23 | Resmed Ltd | Recognition system for an apparatus that delivers breathable gas to a patient |
| WO2007030877A1 (en) * | 2005-09-12 | 2007-03-22 | Resmed Ltd | Network enabled flow generator |
| US9586014B2 (en) * | 2008-10-31 | 2017-03-07 | Resmed Limited | Systems and/or methods for guiding transitions between therapy modes in connection with treatment and/or diagnosis of sleep-disordered breathing |
| WO2011054038A1 (en) * | 2009-11-03 | 2011-05-12 | Resmed Ltd | Cpap systems |
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Inventor after: Feng Zhichun Inventor after: Zou Dong Inventor before: Zou Dong |
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| COR | Change of bibliographic data | ||
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Effective date of registration: 20190304 Address after: 518000 South Ring Road, Matian Street, Guangming District, Shenzhen City, Guangdong Province Co-patentee after: Seventh Medical Center, General Hospital of the Chinese People's Liberation Army Patentee after: Shenzhen Comen Medical Instruments Co., Ltd. Address before: 518052 Nanshan Avenue Nanyou Fourth Industrial Zone, Nanshan District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Comen Medical Instruments Co., Ltd. |
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| TR01 | Transfer of patent right |