CN107320824A - A kind of humidifier condensed water warning system and lung ventilator - Google Patents
A kind of humidifier condensed water warning system and lung ventilator Download PDFInfo
- Publication number
- CN107320824A CN107320824A CN201710691946.0A CN201710691946A CN107320824A CN 107320824 A CN107320824 A CN 107320824A CN 201710691946 A CN201710691946 A CN 201710691946A CN 107320824 A CN107320824 A CN 107320824A
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- China
- Prior art keywords
- pressure
- condensed water
- humidifier
- corrugated hose
- warning system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 210000004072 lung Anatomy 0.000 title claims abstract description 40
- 230000029058 respiratory gaseous exchange Effects 0.000 claims abstract description 27
- 238000012360 testing method Methods 0.000 claims abstract description 23
- 239000007789 gas Substances 0.000 abstract description 16
- 238000009825 accumulation Methods 0.000 abstract description 11
- 230000000241 respiratory effect Effects 0.000 abstract description 8
- 230000005494 condensation Effects 0.000 abstract description 6
- 238000009833 condensation Methods 0.000 abstract description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 239000001301 oxygen Substances 0.000 abstract description 3
- 229910052760 oxygen Inorganic materials 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 description 3
- 210000002345 respiratory system Anatomy 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- A61M16/0051—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes with alarm devices
-
- 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
- A61M16/10—Preparation of respiratory gases or vapours
- A61M16/14—Preparation of respiratory gases or vapours by mixing different fluids, one of them being in a liquid phase
- A61M16/16—Devices to humidify the respiration air
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L13/00—Devices or apparatus for measuring differences of two or more fluid pressure values
-
- 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
-
- 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
- A61M2202/00—Special media to be introduced, removed or treated
- A61M2202/02—Gases
- A61M2202/0208—Oxygen
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/18—General characteristics of the apparatus with alarm
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
- A61M2205/3334—Measuring or controlling the flow rate
Abstract
The present invention discloses a kind of humidifier condensed water warning system, including corrugated hose, pressure test device and alarm, and pressure test device can detect pressure difference value of the corrugated hose close to end positions；When not having condensed water accumulation in corrugated hose, the gas pressure intensity at corrugated hose two ends keeps identical, and the pressure differential at two ends is within predetermined threshold value；When there is condensed water accumulation in corrugated hose, one end air pressure being connected with wearing part is reduced, it is difficult to ensure that air pressure is supplied, make patient respiratory difficult, the pressure differential at corrugated hose two ends is more than predetermined threshold value, alarm is now sent by alarm, user can lift corrugated hose, make the condensation flow of accumulation into ventilator humidifier.The system is not intended to suppress the generation of condensed water, but ensures that the normal of patient is used by detecting pressure difference value, patient can be made to have normal breathing all the time, it is ensured that sufficient oxygen supply.The present invention also provides a kind of lung ventilator, and identical technique effect can be achieved.
Description
Technical field
The present invention relates to breathing apparatus technical field, a kind of humidifier condensed water warning system is further related to.In addition,
The invention further relates to a kind of lung ventilator.
Background technology
The humidifier of noninvasive ventilator is used for the respiratory tract for humidifying patient, and both are used in conjunction with each other, and reduce dry gas
The damage caused to respiratory tract, improves the appropriate level of breathing.Condensed water is to be reduced to condense and produce by hot-gas temperature,
Noninvasive ventilator humidifier is input in the air of patient airway the amount of bordering on the river must not be less than 12mg/L, in addition patient respiratory air flue
Humidifying, can not avoid the generation of condensed water in the corrugated hose of lung ventilator.Condensed water is accumulated in corrugated hose, if having in time
Remove, there is the risk for blocking corrugated hose, air-flow operation is not smooth, and the eupnea to patient is impacted, or even is threatened
The life security of patient.
Traditional avoids the method for condensing water slug pipeline from mainly including two kinds：The first is warming pipeline, passes through increase
Temperature in corrugated hose, it is to avoid conveying gas is because temperature is reduced and condenses, but the breathing mask that patient wears is to heat
, therefore still there is partial condensation water condensation to be back in corrugated hose.Second is to increase condensation water collection on condensation pipe
Device, the program not only increases the complexity of pipeline, also add the weight of pipeline, defines the free degree of mask, seriously
Ground reduces the comfort level of patient；And the condensed water in this scheme is remained in pipeline, if cleaning is not in time, however it remains
Block the risk of corrugated hose.
The content of the invention
The present invention provides a kind of humidifier condensed water warning system, hinders normally to exhale when there is condensed water accumulation in corrugated hose
Alarm is sent during suction, to remind patient or user, guarantee is normally used, and concrete scheme is as follows：
A kind of humidifier condensed water warning system, including two ends connect ventilator humidifier and wear the respiratory siphon of part respectively
Road, in addition to pressure test device and alarm, the pressure test device can detect the corrugated hose close to two ends position
The pressure difference value put；When the pressure differential at the corrugated hose two ends is more than predetermined threshold value, the alarm sends alarm.
Alternatively, the pressure test device be differential pressure pickup, the differential pressure pickup by catheter pressure respectively with
The two ends of the corrugated hose keep connection.
Alternatively, the pressure test device is pressure sensor, and two pressure sensors are respectively arranged at described
On the inwall at corrugated hose two ends.
Alternatively, the differential pressure pickup signal is connected to breathing machine controller, and the breathing machine controller control is described
Alarm sends alarm.
Alternatively, lung ventilator pressure source provides pressed gas by lung ventilator air flue to the ventilator humidifier；It is described
Lung ventilator pressure source is by the breathing machine controller control work, when the pressure test device detects that obtained pressure differential is more than
During predetermined threshold value, the lung ventilator pressure source improves conveying air pressure.
Alternatively, flow sensor is set in the lung ventilator air flue, and the flow sensor signal is connected to described exhale
Machine controller is inhaled, for detecting whether the lung ventilator pressure source has air pressure output.
Alternatively, the differential pressure pickup and the flow sensor may be contained within the inside of lung ventilator.
The present invention also provides a kind of lung ventilator, including the humidifier condensed water warning system described in any of the above-described.
Ventilator humidifier and pendant are connected respectively the invention discloses a kind of humidifier condensed water warning system, including two ends
Wear the corrugated hose of part, ventilator humidifier is used to produce moistening gas, by the gas humidification discharged in lung ventilator, wear part by
Patient-worn uses in face, and this system also includes pressure test device and alarm, and pressure test device can detect breathing
Pressure difference value of the pipeline close to end positions；When not having condensed water accumulation in corrugated hose, gas can smooth outflow, respiratory siphon
The gas pressure intensity at road two ends keeps identical, and pressure test device obtains the pressure differential at two ends within predetermined threshold value；Work as respiratory siphon
When having condensed water accumulation in road, the flowing of gas is hindered, and one end of connection ventilator humidifier is normally supplied, with wearing part
One end air pressure reduction of connection, it is difficult to ensure that air pressure is supplied, make patient respiratory difficult, pressure test device can detect corrugated hose
The pressure differential at two ends is more than predetermined threshold value, now sends alarm by alarm, patient or user can lift corrugated hose,
Make the condensation flow of accumulation into ventilator humidifier.The system is not intended to suppress the generation of condensed water, but passes through detection
Pressure difference value ensures that the normal of patient is used, and patient can be made to have normal breathing all the time, it is ensured that sufficient oxygen supply.
The present invention also provides a kind of lung ventilator, and identical technology effect can be achieved in above-mentioned humidifier condensed water warning system
Really.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of humidifier condensed water warning system provided by the present invention and lung ventilator.
Including：
Ventilator humidifier 1, corrugated hose 2, wearing part 3, alarm 4, differential pressure pickup 5, catheter pressure 6, lung ventilator
Controller 7, lung ventilator pressure source 8, lung ventilator air flue 9, flow sensor 10.
Embodiment
The core of the present invention is to provide a kind of humidifier condensed water warning system, when there is condensed water accumulation in corrugated hose
Hinder to send alarm during eupnea, to remind patient or user, guarantee is normally used.
In order that those skilled in the art more fully understands technical scheme, below in conjunction with accompanying drawing and specifically
Embodiment, to the present invention humidifier condensed water warning system explanation is described in detail.
As shown in figure 1, being humidifier condensed water warning system provided by the present invention and the structural representation of lung ventilator.
Humidifier condensed water warning system provided by the present invention includes corrugated hose 2, pressure test device and alarm 4
Etc. structure, the two ends of corrugated hose 2 connect ventilator humidifier 1 and wear part 3 respectively, and the gas produced from lung ventilator is first passed through
Cross the increase humidity of ventilator humidifier 1；The part 3 of wearing that corrugated hose 2 is connected is used for patient, can be mask or mouth and nose
Cover.
Pressure test device can detect pressure difference value of the corrugated hose 2 close to end positions, under normal circumstances, breathing
There is no condensed water in pipeline 2, gas is swimmingly reached from ventilator humidifier 1 at wearing part 3, the gas everywhere in corrugated hose 2
Pressure is consistent, and the atmospheric pressure value that pressure test device is measured at the two ends of corrugated hose 2 is within predetermined threshold value, it is allowed to which it has small
Error；And when having gathered condensed water in corrugated hose 2, pipeline receives obstruction, and the internal diameter of corrugated hose 2 is by condensed water
Obstruction is reduced, under identical flow, and condensed water accumulation is more, and pipeline allows just smaller by the sectional area of air, causes
The pressure difference at condensed water accumulation two ends is bigger；When condensed water is run up to it is a certain amount of after, pressure test device detection breathed
The pressure differential at the two ends of pipeline 2 sends alarm more than predetermined threshold value alarm device 4.
Breathing machine pipeline only has 1.8 meters, will when patient or user learn alarm, it is only necessary to which artificial raises pipeline
Condensed water is rushed in ventilator humidifier 1, it becomes possible to evade the risk of condensed water introducing.The humidifier condensed water of the present invention
Warning system is not intended to suppress the generation of condensed water, but ensures that the normal of patient makes by detecting pressure difference value in real time
With can make patient that there is normal breathing all the time, it is ensured that sufficient oxygen supply.
Specifically, pressure test device may be configured as differential pressure pickup 5 in the present invention, and differential pressure pickup 5 is led by pressure
Pipe 6 keeps connecting with the two ends of corrugated hose 2 respectively, and differential pressure pickup 5 realizes direct detection by two catheter pressures 6, pressure
Gap sensor 5 can freely set its position, it is not necessary to be arranged on corrugated hose 2, and extra burden will not be brought to patient.
In addition to differential pressure pickup, the pressure test device in the present invention may also be configured to pressure sensor, two pressures
Force snesor is respectively arranged on the inwall at the two ends of corrugated hose 2, can circumvent accumulation section, pressure sensor direct measurement respiratory siphon
The pressure of relevant position in road 2, the pressure differential at the two ends of corrugated hose 2 is obtained by two pressure values, breathing state is obtained indirectly,
These specific setting forms should be all included within protection scope of the present invention.
Specifically, the signal of differential pressure pickup 5 is connected to breathing machine controller 7, and the breathing control alarm 4 of machine controller 7 is sent out
Go out alarm.The signal of alarm 4 and differential pressure pickup 5 is judged to be integrated on breathing machine controller 7 with control centre, with breathing
The integrated level of machine is higher, it is not necessary to be separately provided control unit, certainly, if it is also possible to control judging unit individually to control,
Protected by the present invention.
Lung ventilator pressure source 8 in lung ventilator provides pressed gas by lung ventilator air flue 9 to ventilator humidifier 1, exhales
Connected between suction machine pressure source 8 and ventilator humidifier 1 by lung ventilator air flue 9；Lung ventilator pressure source 8 is by breathing machine controller
7 control work, when pressure test device detects that obtained pressure differential is more than predetermined threshold value, in addition to sending alarm, breathing
The control lung ventilator of machine controller 7 pressure source 8 improves conveying air pressure, to increase the gas flow obtained by gas pushing quantity, increase patient.
Further, the present invention sets flow sensor 10 in lung ventilator air flue 9, and the signal of flow sensor 10 is connected to
Machine controller 7 is breathed, for detecting whether lung ventilator pressure source 8 has air pressure output.Corrugated hose is measured using differential pressure pickup 5
The differential pressure change at 2 two ends, with reference to the flow sensor 10 of lung ventilator, it is possible to calculate the condensed water in corrugated hose 2 in breathing
Amount in pipeline, when the amount of the condensed water reaches monitoring threshold, breathing machine controller sends alarm signal, and alarm 4 occurs
Warning message, while breathing the output quantity in the adjustment respiratory pressure of machine controller 7 source 8, is compensated because of the output pressure that condensed water is introduced
It is not enough.
To improve overall integrated level, differential pressure pickup 5 and flow sensor 10 may be contained within the inside of lung ventilator, only from
Two catheter pressures 6, the extra structure without increasing are drawn in lung ventilator.
The present invention also provides a kind of lung ventilator, including above-mentioned humidifier condensed water warning system, because it has humidifier
Condensed water warning system, so as to reach technique effect same as described above.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle, can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, this hair
It is bright to be not intended to be limited to the embodiments shown herein, and be to fit to and principles disclosed herein and features of novelty phase
Consistent most wide scope.
Claims (8)
1. a kind of humidifier condensed water warning system, including two ends connect ventilator humidifier (1) and wear exhaling for part (3) respectively
Suction pipe road (2), it is characterised in that also including pressure test device and alarm (4), the pressure test device can detect institute
State pressure difference value of the corrugated hose (2) close to end positions；When the pressure differential at the corrugated hose (2) two ends is more than predetermined threshold value
Shi Suoshu alarms (4) send alarm.
2. humidifier condensed water warning system according to claim 1, it is characterised in that the pressure test device is pressure
Gap sensor (5), the differential pressure pickup (5) keeps connecting with the two ends of the corrugated hose (2) respectively by catheter pressure (6)
It is logical.
3. humidifier condensed water warning system according to claim 2, it is characterised in that the pressure test device is pressure
Force snesor, two pressure sensors are respectively arranged on the inwall at the corrugated hose (2) two ends.
4. humidifier condensed water warning system according to claim 2, it is characterised in that differential pressure pickup (5) letter
Breathing machine controller (7) number is connected to, the breathing machine controller (7) controls the alarm (4) to send alarm.
5. humidifier condensed water warning system according to claim 4, it is characterised in that lung ventilator pressure source (8) passes through
Lung ventilator air flue (9) provides pressed gas to the ventilator humidifier (1)；The lung ventilator pressure source (8) is by the breathing
Machine controller (7) controls work, when the pressure test device detects that obtained pressure differential is more than predetermined threshold value, the breathing
Machine pressure source (8) improves conveying air pressure.
6. humidifier condensed water warning system according to claim 5, it is characterised in that on the lung ventilator air flue (9)
Flow sensor (10) is set, and flow sensor (10) signal is connected to the breathing machine controller (7), for detecting
State whether lung ventilator pressure source (8) has air pressure output.
7. humidifier condensed water warning system according to claim 6, it is characterised in that the differential pressure pickup (5) and
The flow sensor (10) may be contained within the inside of lung ventilator.
8. a kind of lung ventilator, it is characterised in that including the humidifier condensed water warning system described in any one of claim 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710691946.0A CN107320824A (en) | 2017-08-08 | 2017-08-08 | A kind of humidifier condensed water warning system and lung ventilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710691946.0A CN107320824A (en) | 2017-08-08 | 2017-08-08 | A kind of humidifier condensed water warning system and lung ventilator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107320824A true CN107320824A (en) | 2017-11-07 |
Family
ID=60225823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710691946.0A Pending CN107320824A (en) | 2017-08-08 | 2017-08-08 | A kind of humidifier condensed water warning system and lung ventilator |
Country Status (1)
| Country | Link |
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| CN (1) | CN107320824A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108452413A (en) * | 2018-04-02 | 2018-08-28 | 柳州市人民医院 | Medical breathing machine |
| CN109224238A (en) * | 2018-06-30 | 2019-01-18 | 湖南明康中锦医疗科技发展有限公司 | Breathing Suppotion equipment |
| CN109939311A (en) * | 2017-12-20 | 2019-06-28 | 北京谊安医疗***股份有限公司 | The judgment method and ventilator of breathing circuit obstruction block warning device |
| CN109998620A (en) * | 2019-03-01 | 2019-07-12 | 齐鲁工业大学 | A kind of automatic air pressure haemostat measurement and control system based on self adaptive control |
| CN114618061A (en) * | 2022-04-12 | 2022-06-14 | 深圳融昕医疗科技有限公司 | Breathing machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109939311A (en) * | 2017-12-20 | 2019-06-28 | 北京谊安医疗***股份有限公司 | The judgment method and ventilator of breathing circuit obstruction block warning device |
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| CN109998620A (en) * | 2019-03-01 | 2019-07-12 | 齐鲁工业大学 | A kind of automatic air pressure haemostat measurement and control system based on self adaptive control |
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