CN114404754A - Take tidal volume monitoring function's breathing rescue system - Google Patents
Take tidal volume monitoring function's breathing rescue system Download PDFInfo
- Publication number
- CN114404754A CN114404754A CN202210088121.0A CN202210088121A CN114404754A CN 114404754 A CN114404754 A CN 114404754A CN 202210088121 A CN202210088121 A CN 202210088121A CN 114404754 A CN114404754 A CN 114404754A
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- Prior art keywords
- hose
- tidal volume
- breathing
- time
- patient
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- 230000029058 respiratory gaseous exchange Effects 0.000 title claims abstract description 30
- 238000012544 monitoring process Methods 0.000 title claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 238000001514 detection method Methods 0.000 claims abstract description 8
- 230000000241 respiratory effect Effects 0.000 claims abstract description 8
- 238000005070 sampling Methods 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 238000001125 extrusion Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 7
- 210000003128 head Anatomy 0.000 description 6
- 210000003928 nasal cavity Anatomy 0.000 description 3
- 210000005077 saccule Anatomy 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 206010002091 Anaesthesia Diseases 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002680 cardiopulmonary resuscitation Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000002627 tracheal intubation Methods 0.000 description 1
Images
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
- A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
- A61M16/0009—Accessories therefor, e.g. sensors, vibrators, negative pressure with sub-atmospheric pressure, e.g. during expiration
-
- 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
- A61M16/0057—Pumps therefor
- A61M16/0075—Bellows-type
-
- 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
- A61M16/0057—Pumps therefor
- A61M16/0078—Breathing bags
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Emergency Medicine (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The invention discloses a respiratory rescue system with a tidal volume monitoring function, which comprises an elastic air bag, a breathing mask, a breathing pipeline and a tidal volume detection device, wherein the elastic air bag is connected with the breathing mask; the breathing pipeline comprises a first hose, a left nostril sealing connector head, a second hose, a right nostril sealing connector head, a collecting cavity, a third hose connected with the collecting cavity, a one-way air inlet valve, a fourth hose connected with the collecting cavity and a one-way exhaust valve, wherein the one-way air inlet valve is positioned in the breathing mask, and the one-way exhaust valve is positioned outside the breathing mask; the tidal volume detection device comprises a gas flow sensor arranged on the fourth hose, a signal processor connected with the gas flow sensor and a display connected with the signal processor. The invention can monitor the tidal volume of the patient in the process of rescuing the patient, and display the tidal volume of the patient to a doctor through the display, so that the doctor can adjust the operation of the extrusion respirator in time according to the monitoring result, and the technical problem of insufficient ventilation or over ventilation of the patient can be better avoided.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a respiratory rescue system with a tidal volume monitoring function.
Background
The simple respirator is also called a saccule or a breathing bag, is the simplest first-aid device for establishing artificial ventilation when a critical patient is rescued, and is mainly used for basic life support during cardio-pulmonary resuscitation, transfer of the critical patient, anesthesia/intubation preparation, short-time replacement of a respirator and the like. The common simple respirator generally comprises a pressurizing mask, a saccule, an oxygen storage bag, an air suction one-way valve and the like, and the aim of artificial respiration is achieved by utilizing the compression and the relaxation of the saccule.
However, in the process of rescuing patients by using the simple respirator, the tidal volume of the patients cannot be intuitively known, medical staff can only operate the simple respirator by experience, and the medical staff cannot adjust the operation of extruding the simple respirator according to actual conditions due to the lack of accurate tidal volume feedback information, so that the patients are easily ventilated insufficiently or excessively, the expected rescue effect cannot be achieved, and even the lives of the patients are threatened.
Disclosure of Invention
In view of this, the present invention provides a respiratory rescue system with a tidal volume monitoring function, so as to solve the technical problem that the tidal volume of a patient cannot be monitored by the existing simple ventilator during the rescue process of the patient.
The invention relates to a respiration rescue system with a tidal volume monitoring function, which comprises an elastic air bag, a respiration mask connected with the front end of the elastic air bag through a pipeline, a respiration pipeline and a tidal volume detection device;
the breathing pipeline comprises a first hose, a left nostril sealing connector head arranged at the front end of the first hose, a second hose, a right nostril sealing connector head arranged at the front end of the second hose, a collecting cavity connected with the first hose and the second hose, a third hose connected with the collecting cavity, a one-way air inlet valve arranged on the third hose, a fourth hose connected with the collecting cavity and a one-way exhaust valve arranged on the fourth hose, wherein the one-way air inlet valve is positioned in the breathing mask, a hole for the fourth hose to penetrate out is arranged on the breathing mask, and the one-way exhaust valve is positioned outside the breathing mask;
the tidal volume detection device comprises a gas flow sensor arranged on the fourth hose, a signal processor connected with the gas flow sensor and a display connected with the signal processor.
Further, a tidal volume calculation program is stored within the signal processor, which when executed performs the steps of:
1) sampling the monitoring signal of the gas flow sensor according to a set frequency to obtain a plurality of coordinate points (v) corresponding to the flow and the timei，ti) Wherein v isiAt a time point tiThe subscript i is a sequence number;
2) in a rectangular coordinate system with time t as an abscissa and flow v as an ordinate, fitting a curve equation v (f) (t) of the flow changing along with the time according to coordinate points obtained by continuous monitoring;
3) finding out t as the starting time of expiration according to the curve equationnAnd expiration end time tpAnd calculate from tnTo tpTidal volume V during this time:
the calculated V is the tidal volume of the patient during one exhalation.
The invention has the beneficial effects that:
the respiration rescue system with the tidal volume monitoring function can monitor the tidal volume of a patient in the process of rescuing the patient, and display the tidal volume of the patient to a doctor through the display, so that the doctor can adjust the operation of extruding the elastic air bag in time according to the monitoring result, and the technical problem of insufficient ventilation or over ventilation of the patient can be better solved.
Drawings
Fig. 1 is a schematic structural diagram of a respiratory rescue system with a tidal volume monitoring function.
Detailed Description
The invention is further described below with reference to the figures and examples.
As shown in the figure, the respiratory rescue system with the tidal volume monitoring function of the embodiment comprises an elastic air bag 1 and a breathing mask 2 connected with the front end of the elastic air bag through a pipeline, and the respiratory rescue system with the tidal volume monitoring function of the embodiment further comprises a breathing pipeline and a tidal volume detection device.
Breathing pipe is including first hose 3, set up at the left nostril sealing connection tube head 4 of first hose front end, second hose 5, set up at the right nostril sealing connection tube head 6 of second hose front end, collect chamber 7 with first hose and second hose connection, with collect the third hose 8 that the chamber is connected, set up one-way admission valve 9 on the third hose, with collect fourth hose 10 that the chamber is connected and set up one-way discharge valve 11 on the fourth hose, one-way admission valve is located respirator, is provided with the hole that supplies the fourth hose to wear out on the respirator, and one-way discharge valve is located outside the respirator.
The tidal volume detection device comprises a gas flow sensor 12 arranged on the fourth hose, a signal processor 13 connected with the gas flow sensor and a display 14 connected with the signal processor.
When the breathing rescue system with the moisture monitoring function is used, the left nostril sealing connector head and the right nostril sealing connector head are inserted into the nasal cavity of a patient, then the breathing mask is worn on the face of the patient, and oxygen enters the nasal cavity of the patient through the one-way air inlet valve, the third hose, the collecting cavity, the first hose and the second hose by extruding the elastic air bag and enters the body through the nasal cavity; the gas expired by the patient is exhausted through the fourth hose and the one-way exhaust valve.
In this embodiment, the respiratory rescue system with a tidal volume monitoring function detects an exhalation condition of a patient through a flow sensor, and a tidal volume calculation program is stored in the signal processor, and when being executed, the tidal volume calculation program implements the following steps:
1) sampling the monitoring signal of the gas flow sensor according to a set frequency to obtain a plurality of coordinate points (v) corresponding to the flow and the timei，ti) Wherein v isiAt a time point tiThe subscript i is a sequence number;
2) in a rectangular coordinate system with time t as an abscissa and flow v as an ordinate, fitting a curve equation v (f) (t) of the flow changing along with the time according to coordinate points obtained by continuous monitoring;
3) finding out t as the starting time of expiration according to the curve equationnAnd expiration end time tpAnd calculate from tnTo tpTidal volume V during this time:
the calculated V is the tidal volume of the patient during one exhalation.
Take tidal volume monitoring function's breathing rescue system in this embodiment, its tidal volume that can monitor patient at rescue patient in-process for the doctor can adjust the operation of extrusion elasticity gasbag according to the monitoring result, the technical problem of the insufficient or excessive ventilation of avoiding patient that can be better.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (2)
1. The utility model provides a take tidal volume monitoring function's breathing rescue system, includes elasticity gasbag and the respirator of being connected through pipeline and elasticity gasbag front end, its characterized in that: the device also comprises a breathing pipeline and a tidal volume detection device;
the breathing pipeline comprises a first hose, a left nostril sealing connector head arranged at the front end of the first hose, a second hose, a right nostril sealing connector head arranged at the front end of the second hose, a collecting cavity connected with the first hose and the second hose, a third hose connected with the collecting cavity, a one-way air inlet valve arranged on the third hose, a fourth hose connected with the collecting cavity and a one-way exhaust valve arranged on the fourth hose, wherein the one-way air inlet valve is positioned in the breathing mask, a hole for the fourth hose to penetrate out is arranged on the breathing mask, and the one-way exhaust valve is positioned outside the breathing mask;
the tidal volume detection device comprises a gas flow sensor arranged on the fourth hose, a signal processor connected with the gas flow sensor and a display connected with the signal processor.
2. The respiratory rescue system with tidal volume monitoring function according to claim 1, characterized in that: stored within the signal processor is a tidal volume calculation program that, when executed, performs the steps of:
1) sampling the monitoring signal of the gas flow sensor according to a set frequency to obtain a plurality of coordinate points (v) corresponding to the flow and the timei，ti) Wherein v isiAt a time point tiThe subscript i is a sequence number;
2) in a rectangular coordinate system with time t as an abscissa and flow v as an ordinate, fitting a curve equation v (f) (t) of the flow changing along with the time according to coordinate points obtained by continuous monitoring;
3) finding out t as the starting time of expiration according to the curve equationnAnd expiration end time tpAnd calculate from tnTo tpTidal volume V during this time:
the calculated V is the tidal volume of the patient during one exhalation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210088121.0A CN114404754A (en) | 2022-01-25 | 2022-01-25 | Take tidal volume monitoring function's breathing rescue system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210088121.0A CN114404754A (en) | 2022-01-25 | 2022-01-25 | Take tidal volume monitoring function's breathing rescue system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114404754A true CN114404754A (en) | 2022-04-29 |
Family
ID=81277882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210088121.0A Pending CN114404754A (en) | 2022-01-25 | 2022-01-25 | Take tidal volume monitoring function's breathing rescue system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114404754A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6273088B1 (en) * | 1997-06-13 | 2001-08-14 | Sierra Biotechnology Company Lc | Ventilator biofeedback for weaning and assistance |
| CN101310678A (en) * | 2008-05-07 | 2008-11-26 | 上海力申科学仪器有限公司 | Measuring method of anesthesia apparatus tidal volume |
| CN204972589U (en) * | 2015-09-24 | 2016-01-20 | 北华大学 | Multi -functional artificial respirator is used in nursing of intracardiac branch of academic or vocational study |
| CN207679818U (en) * | 2017-04-06 | 2018-08-03 | 乔增海 | A kind of artificial respirator that Emergence uses |
| CN208726471U (en) * | 2017-11-29 | 2019-04-12 | 本乐乐 | The adjustable visual manual resuscitation bag of tidal volume |
| CN110721375A (en) * | 2019-09-19 | 2020-01-24 | 青岛大学附属医院 | Respirator device capable of monitoring ventilation |
| CN211132547U (en) * | 2019-09-27 | 2020-07-31 | 广州医科大学附属第一医院（广州呼吸中心） | Breathing air bag capable of displaying tidal volume in real time |
| CN111658918A (en) * | 2020-05-27 | 2020-09-15 | 山东大学 | Multi-respiration index synchronous measurement system and method |
| CN112754465A (en) * | 2021-01-14 | 2021-05-07 | 浙江工业大学 | Method for estimating quasi-static compliance of lung under pressure-controlled mechanical ventilation |
-
2022
- 2022-01-25 CN CN202210088121.0A patent/CN114404754A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6273088B1 (en) * | 1997-06-13 | 2001-08-14 | Sierra Biotechnology Company Lc | Ventilator biofeedback for weaning and assistance |
| CN101310678A (en) * | 2008-05-07 | 2008-11-26 | 上海力申科学仪器有限公司 | Measuring method of anesthesia apparatus tidal volume |
| CN204972589U (en) * | 2015-09-24 | 2016-01-20 | 北华大学 | Multi -functional artificial respirator is used in nursing of intracardiac branch of academic or vocational study |
| CN207679818U (en) * | 2017-04-06 | 2018-08-03 | 乔增海 | A kind of artificial respirator that Emergence uses |
| CN208726471U (en) * | 2017-11-29 | 2019-04-12 | 本乐乐 | The adjustable visual manual resuscitation bag of tidal volume |
| CN110721375A (en) * | 2019-09-19 | 2020-01-24 | 青岛大学附属医院 | Respirator device capable of monitoring ventilation |
| CN211132547U (en) * | 2019-09-27 | 2020-07-31 | 广州医科大学附属第一医院（广州呼吸中心） | Breathing air bag capable of displaying tidal volume in real time |
| CN111658918A (en) * | 2020-05-27 | 2020-09-15 | 山东大学 | Multi-respiration index synchronous measurement system and method |
| CN112754465A (en) * | 2021-01-14 | 2021-05-07 | 浙江工业大学 | Method for estimating quasi-static compliance of lung under pressure-controlled mechanical ventilation |
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