CN109718449B - Prompting method and system in anesthesia induction process and respiratory support machine - Google Patents
Prompting method and system in anesthesia induction process and respiratory support machine Download PDFInfo
- Publication number
- CN109718449B CN109718449B CN201811630986.5A CN201811630986A CN109718449B CN 109718449 B CN109718449 B CN 109718449B CN 201811630986 A CN201811630986 A CN 201811630986A CN 109718449 B CN109718449 B CN 109718449B
- Authority
- CN
- China
- Prior art keywords
- ventilation
- carbon dioxide
- preset
- machine
- threshold
- 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.)
- Active
Links
Images
Abstract
The invention discloses a prompting method, a prompting system and a breathing support machine in an anesthesia induction process, wherein the prompting method comprises the following steps: in the anesthesia induction process, the machine is in the preset pressure control ventilation, and the carbon dioxide amount information in the ventilation pipelines of the user and the machine in a plurality of continuous ventilation periods is obtained; judging whether an exhalation platform and an inhalation platform exist in a plurality of continuous ventilation cycles; if yes, obtaining the end-expiratory carbon dioxide and the inhaled carbon dioxide of a plurality of continuous ventilation cycles according to the carbon dioxide amount information in the ventilation pipelines of the user and the machine in the plurality of continuous ventilation cycles; in a plurality of continuous ventilation cycles, a plurality of differences are calculated according to the end-expiratory carbon dioxide and the inhaled carbon dioxide in the same ventilation cycle, and prompt information is displayed according to the differences. The invention has the following advantages: can help medical personnel to ventilate effective automatic analysis and judgement to improve the efficiency and the accuracy of judgement.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a prompting method and a prompting system in an anesthesia induction process and a respiratory support machine.
Background
After the administration in general anesthesia induction, medical personnel perform tracheal intubation or put in a laryngeal mask, start mechanical ventilation after confirming that the position of the artificial airway is correct, and enter an anesthesia maintenance stage.
Medical personnel judge behind the intubate whether the intubate is in the correct position, and then judge whether accurate effective to patient's machine accuse ventilation, and this point is very high to medical personnel's requirement, therefore has the erroneous judgement risk.
Disclosure of Invention
The present invention is directed to solving at least one of the above problems.
Therefore, the first objective of the present invention is to provide a prompting method in the anesthesia induction process, which can help the medical staff to perform effective automatic analysis and judgment of ventilation, so as to improve the efficiency and accuracy of judgment.
In order to achieve the purpose, the embodiment of the invention discloses a prompting method in an anesthesia induction process, which comprises the following steps: in the process of anesthesia induction by a machine, the machine is in a preset pressure control ventilation mode, and carbon dioxide amount information in ventilation pipelines of a user and the machine in a plurality of continuous ventilation periods is obtained; judging whether an exhalation platform and an inhalation platform exist in the continuous multiple ventilation periods according to the carbon dioxide amount information in the ventilation pipelines of the user and the machine in the continuous multiple ventilation periods; if an expiration platform and an inspiration platform exist in the continuous plurality of ventilation cycles, obtaining end expiration carbon dioxide and inspiration carbon dioxide of the continuous plurality of ventilation cycles according to the carbon dioxide amount information in ventilation pipelines of the machine and the user in the continuous plurality of ventilation cycles; in the continuous multiple ventilation cycles, calculating according to the end-expiratory carbon dioxide and the inhaled carbon dioxide in the same ventilation cycle to obtain multiple difference values, and displaying prompt information according to the multiple difference values; wherein the plurality of difference values correspond to the plurality of ventilation cycles one-to-one.
Optionally, the step of displaying the prompt information according to the plurality of difference values specifically includes: if the difference values are all smaller than a preset first threshold value and are all larger than or equal to a preset second threshold value, displaying that the ventilation of the machine is effective, judging the ventilation state of the two lungs, and fixing the tracheal catheter; wherein the preset first threshold is greater than the preset second threshold.
Optionally, the method further comprises: if the plurality of difference values are all smaller than the preset second threshold value and are all larger than or equal to a preset third threshold value, the fact that the ventilation of the machine is effective and excessive ventilation or too low blood pressure is possible is displayed, the ventilation state of the double lungs is judged, and the tracheal catheter is fixed; wherein the preset second threshold is greater than the preset third threshold.
Optionally, the method further comprises: if the plurality of difference values are all smaller than the preset third threshold value and are all larger than a preset fourth threshold value, the positions of the tracheal catheters are checked, and the hypertension is noticed to be too low; wherein the preset third threshold is greater than the preset fourth threshold.
Optionally, the method further comprises: and if the plurality of difference values are all larger than or equal to the preset first threshold value, the position of the endotracheal tube is checked, and carbon dioxide asphyxia is noticed.
Optionally, the method further comprises: acquiring expiratory tidal volumes of the user over the consecutive plurality of ventilation cycles; and if the plurality of difference values are all smaller than the preset fourth threshold value or the expiratory tidal volumes of the continuous plurality of ventilation cycles are all smaller than a preset expiratory tidal volume threshold value, prompting that the ventilation of the machine is invalid.
According to the prompting method in the anesthesia induction process, analysis is carried out according to the tidal volume of ventilation and the difference value of the end-tidal carbon dioxide and the inhaled carbon dioxide of the user, corresponding judgment and treatment measures are provided according to various conditions, and medical staff can be assisted to accurately judge whether ventilation is effective and whether a catheter is in a correct position.
The second objective of the present invention is to provide a prompting system during the anesthesia induction process, which can help the medical staff to perform effective automatic analysis and judgment of ventilation, so as to improve the efficiency and accuracy of judgment.
In order to achieve the above object, an embodiment of the present invention discloses a prompting system in an anesthesia induction process, including: the data acquisition module is used for acquiring carbon dioxide amount information in ventilation pipelines of a user and the machine in a plurality of continuous ventilation periods when the machine is in a preset pressure control ventilation mode in the process of anesthesia induction;
the judging and prompting module is used for judging whether an expiration platform and an inspiration platform exist in the continuous multiple ventilation periods according to the carbon dioxide amount information in the ventilation pipelines of the user and the machine in the continuous multiple ventilation periods, obtaining end expiration carbon dioxide and inhaled carbon dioxide of the continuous multiple ventilation periods according to the carbon dioxide amount information in the ventilation pipelines of the user and the machine in the continuous multiple ventilation periods when the expiration platform and the inspiration platform exist in the continuous multiple ventilation periods, further calculating according to the end expiration carbon dioxide and the inhaled carbon dioxide in the same ventilation periods in the continuous multiple ventilation periods to obtain multiple difference values, and displaying prompting information according to the multiple difference values; wherein the plurality of difference values correspond to the plurality of ventilation cycles one-to-one.
Optionally, the judgment prompting module is specifically configured to display that the machine is effective in ventilation, judge a bi-pulmonary ventilation state, and fix the endotracheal tube if the plurality of difference values are all smaller than a preset first threshold and are all greater than or equal to a preset second threshold; wherein the preset first threshold is greater than the preset second threshold.
Optionally, the judgment prompting module is further configured to, if the plurality of difference values are all smaller than the preset second threshold and are all greater than or equal to a preset third threshold, display that the machine ventilation is effective, and may be over-ventilation or hypotension, judge a bi-pulmonary ventilation state, and fix the endotracheal tube; wherein the preset second threshold is greater than the preset third threshold.
Optionally, the judgment prompting module is further configured to display, if the plurality of difference values are all smaller than the preset third threshold and are all larger than a preset fourth threshold, the position of the endotracheal tube to be checked and the hypertension to be noticed are too low; wherein the preset third threshold is greater than the preset fourth threshold.
Optionally, the judgment prompting module is further configured to prompt to check the position of the endotracheal tube and pay attention to carbon dioxide asphyxia if the plurality of difference values are all greater than or equal to the preset first threshold.
Optionally, the data acquisition module is further configured to acquire expiratory tidal volumes of the user over the consecutive plurality of respiratory cycles. And the judgment prompting module is further used for displaying that the ventilation of the machine is invalid if the plurality of difference values are all smaller than the preset fourth threshold value or the expiratory tidal volumes of the continuous plurality of ventilation cycles are smaller than a preset expiratory tidal volume threshold value.
The third purpose of the invention is to provide a respiratory support machine, which can help medical staff to perform effective automatic analysis and judgment of ventilation so as to improve the efficiency and accuracy of judgment.
In order to achieve the above purpose, an embodiment of the present invention discloses a respiratory support machine, which includes the prompting system in the anesthesia induction process of the above embodiment.
The respiratory support machine of the invention and the prompting system in the anesthesia induction process of the invention have the same advantages compared with the prior art.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a flow chart of a prompting method during anesthesia induction according to one embodiment of the present invention;
fig. 2 is a block diagram of a reminder system during anesthesia induction according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
These and other aspects of embodiments of the invention will be apparent with reference to the following description and attached drawings. In the description and drawings, particular embodiments of the invention have been disclosed in detail as being indicative of some of the ways in which the principles of the embodiments of the invention may be practiced, but it is understood that the scope of the embodiments of the invention is not limited correspondingly. On the contrary, the embodiments of the invention include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.
The prompting method, the prompting system and the respiratory support machine in the anesthesia induction process are described in the following with reference to the attached drawings.
The breathing support device of the present invention may be an anesthesia machine, or may be another device for supporting breathing having an anesthesia induction function.
Fig. 1 is a flowchart of a prompting method in an anesthesia induction process according to an embodiment of the present invention. As shown in fig. 1, the prompting method in the anesthesia induction process according to the embodiment of the present invention includes the following steps:
s1: during the anesthesia induction process of the machine, the machine is in a preset pressure control ventilation mode (for example, the anesthesia machine performs pressure control ventilation of SIMV _ PC (pressure control type synchronous intermittent command)), and the information of the carbon dioxide amount in the ventilation pipelines of the user and the machine in a plurality of continuous ventilation cycles is obtained.
The carbon dioxide sensor is arranged on the ventilation pipelines of the user and the machine, and the carbon dioxide sensor is used for acquiring the carbon dioxide amount information in the ventilation pipelines of the user and the machine in a plurality of continuous ventilation periods.
S2: and judging whether an exhalation platform and an inhalation platform exist in a plurality of continuous ventilation cycles according to the carbon dioxide amount information in the ventilation pipelines of the user and the machine in the plurality of continuous ventilation cycles.
In some examples, it is first determined whether the carbon dioxide data includes carbon dioxide values of a plurality of consecutive collection points, each of which is smaller than a preset difference threshold, and if the carbon dioxide data includes carbon dioxide values of a plurality of consecutive collection points, each of which is smaller than the preset difference threshold, it is determined that the respiratory platform data (i.e., data of the expiratory/inspiratory platform phase) exists in the carbon dioxide data.
S3: if an expiration platform and an inspiration platform exist in a plurality of continuous ventilation cycles, the end-expiratory carbon dioxide EtCO2 and the inspiratory carbon dioxide FiCO2 of the plurality of continuous ventilation cycles are obtained according to the carbon dioxide amount information in the ventilation pipelines of the user and the machine in the plurality of continuous ventilation cycles.
The analysis and determination of the end-tidal carbon dioxide and the inhaled carbon dioxide for each ventilation cycle based on the information about the amount of carbon dioxide in the ventilation pipelines of the user and the machine in a plurality of consecutive ventilation cycles is the prior art of those skilled in the art and will not be described herein again.
S4: in a plurality of continuous ventilation cycles, a plurality of differences are calculated according to the end-expiratory carbon dioxide and the inhaled carbon dioxide in the same ventilation cycle, and prompt information is displayed according to the differences.
In one embodiment of the present invention, displaying the hint information based on the plurality of difference values comprises: if the difference values are smaller than a preset first threshold value and larger than or equal to a preset second threshold value, the fact that the machine is effective in ventilation is displayed, the ventilation state of the two lungs is judged, and the tracheal catheter is fixed. The preset first threshold is larger than the preset second threshold. It should be noted that the range defined by the first threshold value to the second threshold value is a normal range of carbon dioxide emission, and the relevant range definition may refer to relevant medical books.
In one embodiment of the present invention, further comprising: if the difference values are all smaller than a preset second threshold value and are all larger than or equal to a preset third threshold value, the ventilation of the machine is effective, excessive ventilation or too low blood pressure is possible, the ventilation state of the double lungs is judged, and the tracheal catheter is fixed; and the preset second threshold is greater than the preset third threshold.
The range defined by the second threshold value and the third threshold value is a range slightly lower than the normal range of the carbon dioxide emission amount.
In one embodiment of the present invention, further comprising: and if the plurality of difference values are all smaller than a preset third threshold value and are all larger than a preset fourth threshold value, prompting to check the position of the tracheal catheter and paying attention to the fact that the blood pressure is too low. And the preset third threshold is greater than the preset fourth threshold.
The range defined by the third threshold value and the fourth threshold value is a range slightly lower than the range defined by the second threshold value and the third threshold value. When (EtCO 2)i-FiCO2i) If the blood pressure is in the range defined by the third threshold and the fourth threshold, the position of the tracheal catheter is checked, and the blood pressure is noticed to be too low.
In one embodiment of the present invention, further comprising: and if the difference values are all larger than or equal to a preset first threshold value, the position of the endotracheal tube is checked, and carbon dioxide asphyxia is noticed.
If (EtCO 2)i-FiCO2i) Above the first threshold, possibly due to too low ventilation, a check of the position of the endotracheal tube is prompted, taking care of the hypotension.
In an embodiment of the present invention, the prompting method in the anesthesia induction process further includes: acquiring the expiratory tidal volumes of the user in the continuous ventilation cycles; and if the difference values are all smaller than a preset fourth threshold value or the expiratory tidal volume of the user is all smaller than a preset expiratory tidal volume threshold value, prompting that the ventilation of the machine is invalid.
It should be noted that the preset expiratory tidal volume threshold is a value of physiological dead space prescribed in medical records, if (EtCO 2)i-FiCO2i)<A fourth threshold, or expiratory tidal volume Vte<The physiological dead space value indicates that the ventilation of the machine is ineffective.
According to the prompting method in the anesthesia induction process, whether the expiration platform and the inspiration platform exist in a plurality of continuous ventilation cycles is judged according to the carbon dioxide amount information in the ventilation pipelines of the user and the machine in the plurality of continuous ventilation cycles, and then analysis is carried out according to the expiration tidal volume and the difference value of the end-expiration carbon dioxide and the inspiration carbon dioxide of the user, corresponding judgment and processing measures are provided according to various conditions, so that medical personnel can be assisted to accurately judge whether ventilation is effective and whether the catheter is in a correct position.
Fig. 2 is a block diagram of a reminder system during anesthesia induction according to an embodiment of the present invention. As shown in fig. 2, the prompting system in the anesthesia induction process according to the embodiment of the present invention includes a data obtaining module 100 and a judgment prompting module 200.
The data acquiring module 100 is configured to acquire information on an amount of carbon dioxide in ventilation pipelines of a user and a machine in a plurality of continuous ventilation cycles when the machine is in a preset pressure control ventilation mode during anesthesia induction. The judgment and prompt module 200 is configured to judge whether an exhalation platform and an inhalation platform exist in consecutive multiple ventilation cycles according to carbon dioxide amount information in ventilation pipelines of the user and the machine in consecutive multiple ventilation cycles, and when the exhalation platform and the inhalation platform exist in consecutive multiple ventilation cycles, obtain end-expiratory carbon dioxide and inhaled carbon dioxide in consecutive multiple ventilation cycles according to the carbon dioxide amount information in the ventilation pipelines of the user and the machine in consecutive multiple ventilation cycles, further calculate a plurality of differences according to the end-expiratory carbon dioxide and the inhaled carbon dioxide in the same ventilation cycle in consecutive multiple ventilation cycles, and display prompt information according to the plurality of differences. Wherein the plurality of difference values correspond to the plurality of ventilation cycles one to one.
In an embodiment of the present invention, the determination prompting module 200 is specifically configured to, if the plurality of difference values are all smaller than a preset first threshold and are all greater than or equal to a preset second threshold, indicate that the machine ventilation is effective, determine a double-lung ventilation state, and fix the endotracheal tube. The preset first threshold is larger than the preset second threshold.
In an embodiment of the present invention, the determination prompting module 200 is further configured to, if the plurality of difference values are all smaller than the preset second threshold and are all greater than or equal to the preset third threshold, indicate that the machine is effectively ventilated, may be over-ventilated or under-pressured, determine the ventilation status of both lungs, and fix the endotracheal tube. And the preset second threshold is greater than the preset third threshold.
In an embodiment of the present invention, the judgment prompting module 200 is further configured to, if the plurality of difference values are all smaller than a preset third threshold and are all larger than a preset fourth threshold, display that the position of the endotracheal tube is checked and the blood pressure is too low. And the preset third threshold is greater than the preset fourth threshold.
In an embodiment of the present invention, the determination prompting module 200 is further configured to, if the plurality of difference values are all greater than or equal to a preset first threshold, display a check on the position of the endotracheal tube to notice carbon dioxide asphyxia.
In an embodiment of the present invention, data acquisition module 100 is further configured to acquire the expiratory tidal volumes of the user over the consecutive plurality of respiratory cycles. The judgment prompting module 200 is further configured to prompt that the machine is ineffective in ventilation if the plurality of difference values are all smaller than a preset fourth threshold or the expiratory tidal volumes of a plurality of continuous ventilation cycles are all smaller than a preset expiratory tidal volume threshold.
According to the prompting system in the anesthesia induction process, analysis is carried out according to the tidal volume of ventilation and the difference value of the end-tidal carbon dioxide and the inhaled carbon dioxide of the user, corresponding judgment and treatment measures are provided according to various conditions, and medical staff can be assisted to accurately judge whether ventilation is effective and whether a catheter is in a correct position.
It should be noted that, a specific implementation manner of the prompting system in the anesthesia induction process in the embodiment of the present invention is similar to a specific implementation manner of the prompting method in the anesthesia induction process in the embodiment of the present invention, and specific reference is specifically made to the description of the prompting method in the anesthesia induction process, and no further description is given here in order to reduce redundancy.
The invention also discloses a breathing support machine which is provided with a prompt system in the anesthesia induction process. This breathe support machine can help medical personnel to ventilate effectual automation analysis and judgement to improve the efficiency and the accuracy of judging.
In addition, other configurations and functions of the respiratory support machine according to the embodiment of the present invention are known to those skilled in the art, and are not described in detail to reduce redundancy.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (4)
1. A reminder system in an anesthesia induction process, comprising:
the data acquisition module is used for acquiring carbon dioxide amount information in ventilation pipelines of a user and the machine in a plurality of continuous ventilation periods when the machine is in a preset pressure control ventilation mode in the process of anesthesia induction;
the judging and prompting module is used for judging whether an expiration platform and an inspiration platform exist in the continuous multiple ventilation periods according to the carbon dioxide amount information in the ventilation pipelines of the user and the machine in the continuous multiple ventilation periods, obtaining end expiration carbon dioxide and inhaled carbon dioxide of the continuous multiple ventilation periods according to the carbon dioxide amount information in the ventilation pipelines of the user and the machine in the continuous multiple ventilation periods when the expiration platform and the inspiration platform exist in the continuous multiple ventilation periods, further calculating according to the end expiration carbon dioxide and the inhaled carbon dioxide in the same ventilation periods in the continuous multiple ventilation periods to obtain multiple difference values, and displaying prompting information according to the multiple difference values;
wherein the plurality of difference values correspond to the plurality of ventilation cycles one-to-one.
2. The prompting system in the anesthesia induction process of claim 1, wherein the judgment prompting module is specifically configured to display that the machine ventilation is effective, judge the bi-pulmonary ventilation state, and fix the endotracheal tube if the plurality of difference values are all less than a preset first threshold value and are all greater than or equal to a preset second threshold value; wherein the preset first threshold is greater than the preset second threshold.
3. The system for prompting during anesthesia induction as claimed in claim 2, wherein said determining and prompting module is further configured to prompt the machine to ventilate effectively, possibly over-ventilation or hypotension, determine the ventilation status of both lungs, and fix the endotracheal tube, if the plurality of difference values are all less than the preset second threshold and greater than or equal to a preset third threshold; wherein the preset second threshold is greater than the preset third threshold.
4. A breathing support machine comprising the anesthesia induction prompting system of any of claims 1-3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811630986.5A CN109718449B (en) | 2018-12-29 | 2018-12-29 | Prompting method and system in anesthesia induction process and respiratory support machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811630986.5A CN109718449B (en) | 2018-12-29 | 2018-12-29 | Prompting method and system in anesthesia induction process and respiratory support machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109718449A CN109718449A (en) | 2019-05-07 |
| CN109718449B true CN109718449B (en) | 2020-04-10 |
Family
ID=66296030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811630986.5A Active CN109718449B (en) | 2018-12-29 | 2018-12-29 | Prompting method and system in anesthesia induction process and respiratory support machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109718449B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5386833A (en) * | 1993-12-23 | 1995-02-07 | Biochem International, Inc. | Method for calibrating a carbon dioxide monitor |
| US8905019B2 (en) * | 2010-05-11 | 2014-12-09 | Carefusion 207, Inc. | Patient circuit integrity alarm using exhaled CO2 |
| CN104665835A (en) * | 2015-02-04 | 2015-06-03 | 中国科学院合肥物质科学研究院 | Human energy metabolism detection device and method |
| JP2018528814A (en) * | 2015-08-31 | 2018-10-04 | コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． | Monitoring device with multi-parameter hyperventilation alert |
| CN108939231B (en) * | 2018-06-06 | 2020-05-22 | 山东大学 | Has CO2Remote management noninvasive ventilator with monitoring function and working method thereof |
-
2018
- 2018-12-29 CN CN201811630986.5A patent/CN109718449B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109718449A (en) | 2019-05-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20200360634A1 (en) | Endotracheal tube extubation detection | |
| US9375542B2 (en) | Systems and methods for monitoring, managing, and/or preventing fatigue during ventilation | |
| US20200016349A1 (en) | System for automated adjustment of a pressure set by a ventilation device | |
| US8752546B2 (en) | System and method for mobilizing occlusions from a breathing tube | |
| US9259544B2 (en) | Pressure support system with machine delivered breaths | |
| US10744285B2 (en) | Systems and methods for detection of ventilator and patient disconnections using patient lung compliance estimated on both inhalation and exhalation phases of a breath | |
| US10137266B2 (en) | Patient-ventilator dyssynchrony detection | |
| US20110178419A1 (en) | Tracheal tube with pressure monitoring lumen and method for using the same | |
| US20080255467A1 (en) | Method and system for detecting breathing tube occlusion | |
| CN102264423A (en) | Method and system for ventilation | |
| US8985107B2 (en) | Method, arrangement and computer program product for respiratory gas monitoring of ventilated patients | |
| CN103079621A (en) | Method and system for patient-synchronized ventilatory assist with endotracheal through-flow | |
| JP2013533760A (en) | Weaning from artificial respiration using capnography | |
| EP2376158B1 (en) | Airway pressure release ventilation | |
| CN105413033A (en) | Control method and device for improving effective utilization ratio of oxygen during noninvasive ventilation | |
| EP3086831B1 (en) | System for providing ventilatory assist to a patient | |
| EP2378966B1 (en) | Determining the functional residual capacity of a subject | |
| CN109718449B (en) | Prompting method and system in anesthesia induction process and respiratory support machine | |
| Moens | Clinical application of continuous spirometry with a pitot‐based flow meter during equine anaesthesia | |
| JP6050765B2 (en) | System and method for diagnosis of central apnea | |
| CN109621121B (en) | Detection method and detection system for mechanical control ventilation state | |
| US20230094608A1 (en) | Pendelluft detection by acoustic interferometry through an endotracheal tube | |
| CN115089160A (en) | Method for accurately judging airway secretions based on waveform of breathing machine | |
| Venkataraman et al. | Ventilator Graphics | |
| Li et al. | Difficult positive pressure ventilation in an adult with a tracheostomy |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |