CN111840729A - Sodium lime utility detection device for anesthesia machine and detection method thereof - Google Patents
Sodium lime utility detection device for anesthesia machine and detection method thereof Download PDFInfo
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- CN111840729A CN111840729A CN202010867948.2A CN202010867948A CN111840729A CN 111840729 A CN111840729 A CN 111840729A CN 202010867948 A CN202010867948 A CN 202010867948A CN 111840729 A CN111840729 A CN 111840729A
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- 238000001514 detection method Methods 0.000 title claims abstract description 37
- 206010002091 Anaesthesia Diseases 0.000 title claims abstract description 28
- 230000037005 anaesthesia Effects 0.000 title claims abstract description 28
- 235000008733 Citrus aurantifolia Nutrition 0.000 title claims description 26
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 title claims description 26
- 235000011941 Tilia x europaea Nutrition 0.000 title claims description 26
- 239000004571 lime Substances 0.000 title claims description 26
- 229910052708 sodium Inorganic materials 0.000 title claims description 26
- 239000011734 sodium Substances 0.000 title claims description 26
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 194
- HUAUNKAZQWMVFY-UHFFFAOYSA-M sodium;oxocalcium;hydroxide Chemical compound [OH-].[Na+].[Ca]=O HUAUNKAZQWMVFY-UHFFFAOYSA-M 0.000 claims abstract description 109
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 97
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 97
- 239000002245 particle Substances 0.000 claims abstract description 20
- 238000012545 processing Methods 0.000 claims abstract description 15
- 230000000007 visual effect Effects 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 18
- 238000005070 sampling Methods 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 3
- 238000001949 anaesthesia Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 7
- 239000008187 granular material Substances 0.000 description 6
- 238000002695 general anesthesia Methods 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000003444 anaesthetic effect Effects 0.000 description 3
- 108700041286 delta Proteins 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000003994 anesthetic gas Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 210000003169 central nervous system Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 210000003456 pulmonary alveoli Anatomy 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
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- 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
- A61M16/01—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes specially adapted for anaesthetising
-
- 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
- A61M16/0087—Environmental safety or protection means, e.g. preventing explosion
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/004—CO or CO2
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Anesthesiology (AREA)
- Emergency Medicine (AREA)
- Public Health (AREA)
- Pulmonology (AREA)
- Veterinary Medicine (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Animal Behavior & Ethology (AREA)
- Analytical Chemistry (AREA)
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- Biochemistry (AREA)
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- Medicinal Chemistry (AREA)
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- Environmental & Geological Engineering (AREA)
- Molecular Biology (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
The invention discloses a soda lime utility detection device for an anesthesia machine and a detection method thereof, wherein the soda lime pot is filled with soda lime particles, carbon dioxide concentration sensors are distributed in the soda lime pot, the number of the carbon dioxide concentration sensors is not less than 4, the carbon dioxide concentration sensors are linearly distributed in the soda lime pot along the gas flowing direction at equal intervals, a wireless signal sending device is arranged in the soda lime pot and connected with the carbon dioxide concentration sensors, a wireless signal receiving device is arranged outside the soda lime pot, and a processing and displaying device and an alarming device are arranged on the wireless signal receiving device. The utility detection device and the detection method for the soda lime for the anaesthesia machine can accurately detect the utility condition of the soda lime in real time, and help an anaesthesiologist to quickly master the use of soda lime particles through visual display and an acousto-optic alarm device.
Description
Technical Field
The invention relates to the technical field of sodium lime utility detection for anesthesia machines, in particular to a sodium lime utility detection device for anesthesia machines and a detection method thereof.
Background
The anesthesia machine is a mechanical device for general anesthesia, and sends anesthetic into alveolus of a patient through a mechanical loop to form anesthetic gas partial pressure which is dispersed into blood to directly inhibit a central nervous system, so that general anesthesia is generated. Before the anesthetic is delivered to alveoli of a patient through an anesthesia machine, soda lime in the anesthetic needs to be checked, the soda lime is a carbon dioxide absorbent indispensable for closed-cycle general anesthesia, the life safety of the patient is affected due to the fact that the soda lime fails and the symptoms of carbon dioxide accumulation of the patient can be caused, and the existing methods for judging the consumption condition of the soda lime comprise methods of visually observing the color change of soda lime particles, heat release of the soda lime particles after the soda lime particles absorb the carbon dioxide and the like.
The existing methods carry out indirect judgment according to the phenomena of pH change or heat release and the like in the chemical equation of absorbing carbon dioxide by soda lime, and the judgment method has the defects of non-intuition, inaccuracy, multiple influence factors and the like, so that the judgment of the consumption condition of the soda lime is difficult and unreliable.
Disclosure of Invention
The invention aims to provide a device and a method for detecting the effectiveness of soda lime for an anesthesia machine, which are used for solving the problems of difficulty and unreliability in effectiveness judgment of the soda lime for the anesthesia machine in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a soda lime utility detection device for anesthesia machine, includes soda lime jar, fill in the soda lime jar and have soda lime granule, and evenly distributed has carbon dioxide sensor in the soda lime jar, and carbon dioxide sensor arranges the inside at soda lime jar along gas flow direction equidistance straight line, the carbon dioxide sensor of the top is located near soda lime granule up end, and near the carbon dioxide sensor of below is located near terminal surface under the soda lime granule, the inside of soda lime jar is provided with wireless signal sending device, and wireless signal sending device links to each other with carbon dioxide sensor, the outside of soda lime jar is provided with wireless signal receiving arrangement, and is provided with on the wireless signal receiving arrangement and handles and display device and alarm device.
Preferably, the carbon dioxide concentration sensor is located inside the soda lime tank and used for detecting the concentration of carbon dioxide in the soda lime tank, the carbon dioxide concentration sensor is powered by a battery carried by the carbon dioxide concentration sensor, and the sampling frequency of the carbon dioxide concentration sensor can be set by self.
Preferably, the wireless signal transmitting device is used for outputting the carbon dioxide concentration information detected by the carbon dioxide concentration sensor, the wireless signal receiving device is used for receiving the carbon dioxide concentration information acquired by the carbon dioxide concentration sensor, the wireless signal transmitting device and the wireless signal receiving device adopt a wireless signal communication mode, and the signal receiving and transmitting frequency is consistent with the sampling frequency of the carbon dioxide concentration sensor.
Preferably, the processing and display device is used for analyzing and processing carbon dioxide concentration information detected by all carbon dioxide concentration sensors and displaying real-time soda lime consumption values, and the alarm device can set a threshold value according to needs and is used for giving out an acousto-optic alarm when the soda lime consumption value reaches or exceeds the set threshold value.
Preferably, the detection accuracy of the soda lime consumption depends on the number of the carbon dioxide concentration sensors, specifically: if the number of the carbon dioxide concentration sensors is n, the accuracy of the effectiveness judgment of the soda lime particles is (1/n) × 100%.
A detection method of a sodium lime utility detection device for an anesthesia machine comprises the following steps:
and step 3: the processing and displaying device analyzes and processes carbon dioxide concentration information detected by all carbon dioxide concentration sensors, calculates to obtain soda lime consumption conditions, adopts an algorithm for calculating the soda lime consumption conditions as the algorithm in the embodiment in the specification, displays real-time soda lime consumption values in the soda lime tank and transmits the information to the warning device;
and 4, if the real-time soda lime consumption value in the soda lime tank exceeds a threshold value set by the alarm device, performing acousto-optic alarm, otherwise, not performing alarm.
Compared with the prior art, the invention has the beneficial effects that: the utility detection device and the detection method for the soda lime for the anaesthesia machine can accurately detect the utility condition of the soda lime in real time, and help an anaesthesiologist to quickly master the use of soda lime particles through visual display and an acousto-optic alarm device. According to the utility detection device and the detection method for soda lime for the anesthesia machine, the consumption condition of soda lime is calculated by directly detecting the concentration of gas carbon dioxide after absorption of soda lime at different positions in a soda lime tank through a carbon dioxide concentration sensor, compared with the method of sodium lime color change, the method of sodium lime absorption of carbon dioxide heat release and the like is more real-time, accurate and reliable, the consumption condition of soda lime can be displayed in real time, and an anesthesia doctor can be reminded through acousto-optic alarm, so that the anesthesia doctor can intuitively and timely master the consumption condition of soda lime, and make response measures in advance, and the orderly development of general anesthesia work is ensured.
Drawings
FIG. 1 is a schematic structural diagram of a flow direction of carbon dioxide gas in a soda lime utility detection device for an anesthesia machine according to the present invention;
FIG. 2 is a schematic structural diagram of a wireless signal receiving device in the soda lime effect detection device for an anesthesia machine according to the present invention;
FIG. 3 is a schematic structural diagram of a decay curve of the effectiveness of soda lime particles in a soda lime effectiveness detection device for an anesthesia apparatus in absorbing carbon dioxide with time according to the present invention;
FIG. 4 is a schematic flow chart of a detection method of the utility detection device for sodium lime for an anesthesia machine.
In the figure: 1. the system comprises a soda lime tank, 2, a carbon dioxide concentration sensor, 3, a wireless signal transmitting device, 4, a wireless signal receiving device, 5, a processing and displaying device, 6 and an alarming device.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a soda lime utility detection device for anesthesia machine, including soda lime jar 1, soda lime jar 1 is filled with soda lime granule, and evenly distributed has carbon dioxide concentration sensor 2 in the soda lime jar 1, the number of carbon dioxide concentration sensor 2 is more than or equal to 4, and carbon dioxide concentration sensor 2 arranges in the inside of soda lime jar 1 along the equidistance straight line of gas flow direction, the carbon dioxide concentration sensor 2 of the top is located near soda lime granule up end, and the carbon dioxide concentration sensor 2 of the bottom is located near soda lime granule down end, carbon dioxide concentration sensor 2 is located inside soda lime jar 1, supply power by the battery that oneself carries, and the sampling frequency of carbon dioxide concentration sensor 2 can set for oneself, the sampling frequency of carbon dioxide can be controlled well to this structure, better detect, the inside of soda lime jar 1 is provided with wireless signal transmitting device 3, the wireless signal sending device 3 is connected with the carbon dioxide concentration sensor 2, the wireless signal receiving device 4 is arranged outside the soda lime tank 1, the processing and displaying device 5 and the warning device 6 are arranged on the wireless signal receiving device 4, the wireless signal mode is adopted for the communication between the wireless signal sending device 3 and the wireless signal receiving device 4, the signal receiving and sending frequency is consistent with the sampling frequency of the carbon dioxide concentration sensor 2, the structure can enable the wireless signal sending device 3 to receive the carbon dioxide concentration detected by the carbon dioxide concentration sensor 2 and send the carbon dioxide concentration to the outside through a wireless signal, the warning device 6 can set a threshold value according to needs, when the consumption or the surplus of soda lime reaches the threshold value, an acousto-optic warning is sent out, the processing and displaying device 5 calculates the consumption condition of soda lime by utilizing the carbon dioxide concentration information received by the wireless signal receiving device 4, and displaying the calculation result, wherein the specific calculation method is as follows:
the carbon dioxide concentration detected by the n-th carbon dioxide concentration sensor 2 is expressed as: cn, mixing C1-C2
Record as Δ 1, record C2-C3 as Δ 2, record C3-C4 as Δ 3, and so on according to the following two rules: first, the decay curve of the carbon dioxide absorption efficiency of the fresh soda-lime particles over time is exponential (as shown in fig. 4); secondly, the consumption speed of the soda lime particles at the upper end along the airflow direction in the soda lime tank 1 is faster than that of the soda lime particles at the lower end adjacent to the upper end, therefore when Δ 1 is less than or equal to Δ 2, the soda lime particles between the No. 1 carbon dioxide concentration sensor 2 and the No. 2 carbon dioxide concentration sensor 2 can be regarded as losing effectiveness, when Δ 2 is less than or equal to Δ 3, the soda lime particles between the No. 2 carbon dioxide concentration sensor 2 and the No. 3 carbon dioxide concentration sensor 2 can be regarded as losing effectiveness, and so on, in general, the more the carbon dioxide concentration sensors 2 are used, the better the soda lime effectiveness judgment precision can be achieved, the detection precision of the soda lime consumption condition depends on the placing number of the carbon dioxide concentration sensors 2, specifically: assuming that the number of the carbon dioxide concentration sensors 2 is n, the accuracy of the effectiveness judgment of the soda lime particles is (1/n) × 100%, the structure takes the number of the carbon dioxide concentration sensors 2 as 8 as an example, when delta 1 is not more than delta 2 appears for the first time, the consumption of the soda lime is 12.5%, when delta 2 is not more than delta 3 appears for the first time, the consumption of the soda lime is 25%, and by analogy, in order to prevent the judgment conclusion from deviation caused by a certain abnormal detection result, comprehensive judgment can be carried out by using the algorithm through multiple times of sensor detection results, for example, the effectiveness loss of a certain part of the soda lime particles can be judged according to the algorithm that all detection results in 3 breathing cycles conform to the algorithm. According to the invention, the consumption condition of soda lime is calculated by a method for directly detecting the concentration of gas carbon dioxide absorbed by soda lime at different positions in a soda lime tank through a carbon dioxide concentration sensor, and compared with the method of absorbing carbon dioxide and releasing heat through soda lime, the method is more real-time, accurate and reliable, the carbon dioxide concentration sensor 2, the wireless signal sending device 3, the wireless signal receiving device 4 and the alarm device 6 are all in the prior art, and the composition structure and the working principle of the method are the same as those of the prior art.
The working principle is as follows: when the utility detection device for soda lime for the anesthesia machine is used, the carbon dioxide concentration sensors 2 are uniformly distributed in the soda lime tank 1 according to the gas flowing direction, when the detection is carried out, the wireless signal sending device 3 sends the carbon dioxide concentration information detected by the carbon dioxide concentration sensors 2 to the wireless signal receiving device 4 through wireless signals, the processing and displaying device 5 in the wireless signal receiving device 4 is used for analyzing and processing the carbon dioxide concentration information detected by all the carbon dioxide concentration sensors 2 and calculating the consumption condition of the soda lime and displaying the real-time consumption value of the soda lime, when the consumption value of the soda lime reaches or exceeds the set threshold value, the acousto-optic alarm can be generated through the alarm device 6, compared with the methods of the color change of the soda lime, the heat release of the soda lime absorbed by the soda lime and the like, the method is more real-time, accurate and, the invention can display the consumption condition of soda lime in real time, and can remind the anaesthetists through acousto-optic alarm, so that the anaesthetists can intuitively and timely master the consumption condition of the soda lime, and make response measures in advance, thereby ensuring the orderly development of general anesthesia work.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a sodium lime utility detection device for anesthesia machine, includes sodium lime jar (1), its characterized in that: the sodium lime tank (1) is filled with sodium lime particles, carbon dioxide concentration sensors (2) are uniformly distributed in the sodium lime tank (1), and the carbon dioxide concentration sensors (2) are linearly arranged in the sodium lime tank (1) at equal intervals along the gas flowing direction, the uppermost carbon dioxide concentration sensor (2) is positioned near the upper end surface of the soda lime particles, and the lowest carbon dioxide concentration sensor (2) is positioned near the lower end surface of the soda lime particles, a wireless signal sending device (3) is arranged in the sodium lime tank (1), and the wireless signal transmitting device (3) is connected with the carbon dioxide concentration sensor (2), a wireless signal receiving device (4) is arranged outside the sodium lime tank (1), and the wireless signal receiving device (4) is provided with a processing and displaying device (5) and an alarming device (6).
2. The utility detection device of soda lime for anesthesia machine of claim 1, characterized in that: the carbon dioxide concentration sensor (2) is positioned in the sodium lime tank (1) and used for detecting the concentration of carbon dioxide in the sodium lime tank (1), the carbon dioxide concentration sensor (2) is powered by a battery carried by the carbon dioxide concentration sensor, and the sampling frequency of the carbon dioxide concentration sensor (2) can be set automatically.
3. The utility detection device of soda lime for anesthesia machine of claim 1, characterized in that: the carbon dioxide concentration sensor is characterized in that the wireless signal sending device (3) is used for outputting carbon dioxide concentration information detected by the carbon dioxide concentration sensor (2), the wireless signal receiving device (4) is used for receiving the carbon dioxide concentration information collected by the carbon dioxide concentration sensor (2), the wireless signal sending device (3) and the wireless signal receiving device (4) adopt a wireless signal communication mode, and the signal receiving and sending frequency is consistent with the sampling frequency of the carbon dioxide concentration sensor (2).
4. The utility detection device of soda lime for anesthesia machine of claim 1, characterized in that: the processing and displaying device (5) is used for analyzing and processing carbon dioxide concentration information detected by all the carbon dioxide concentration sensors (2) and displaying real-time soda lime consumption values, the warning device (6) can set a threshold value according to needs, and when the consumption condition of soda lime particles reaches or exceeds the set threshold value, an acousto-optic warning is given out.
5. The utility detection device of soda lime for anesthesia machine of claim 1, characterized in that: the detection precision of the soda lime consumption condition depends on the placing number of the carbon dioxide concentration sensors (2), and specifically comprises the following steps: if the number of the carbon dioxide concentration sensors (2) is n, the accuracy of the effectiveness judgment of the soda lime particles is (1/n) × 100%.
6. The method for detecting the effectiveness of sodium lime for an anesthesia machine according to claim 1, wherein the method comprises the following steps: the method comprises the following steps:
step 1, detecting the concentration of carbon dioxide in a sodium lime tank (1) by using carbon dioxide concentration sensors (2) which are linearly arranged at equal intervals along the gas flowing direction, and transmitting information to a wireless signal transmitting device (3);
step 2, the wireless signal transmitting device (3) transmits the carbon dioxide concentration consumption information in the soda lime tank (1) to the wireless signal receiving device (4), and the wireless signal receiving device (4) feeds back the information to the processing and displaying device (5);
and step 3: the processing and display device (5) analyzes and processes carbon dioxide concentration information detected by all the carbon dioxide concentration sensors (2), calculates sodium lime consumption conditions, calculates algorithms of the sodium lime consumption conditions according to specific contents in a specification, displays real-time sodium lime consumption values in the sodium lime tank (1), and transmits information to the alarm device (6);
and 4, if the real-time sodium lime consumption value in the sodium lime tank (1) exceeds a threshold value set by the alarm device (6), performing audible and visual alarm, otherwise, not performing alarm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010867948.2A CN111840729A (en) | 2020-08-26 | 2020-08-26 | Sodium lime utility detection device for anesthesia machine and detection method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010867948.2A CN111840729A (en) | 2020-08-26 | 2020-08-26 | Sodium lime utility detection device for anesthesia machine and detection method thereof |
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Cited By (2)
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| CN115023255A (en) * | 2020-12-31 | 2022-09-06 | 深圳迈瑞动物医疗科技股份有限公司 | Medical alarm system, method and equipment, anesthesia equipment and weighing equipment |
| CN115675799A (en) * | 2022-11-16 | 2023-02-03 | 中国人民解放军海军特色医学中心 | System and method for monitoring use state of carbon dioxide absorbent in absorbent tank |
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2020
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