CN110721376B - Sodium lime utility detection device for anesthesia machine - Google Patents
Sodium lime utility detection device for anesthesia machine Download PDFInfo
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- CN110721376B CN110721376B CN201911019995.5A CN201911019995A CN110721376B CN 110721376 B CN110721376 B CN 110721376B CN 201911019995 A CN201911019995 A CN 201911019995A CN 110721376 B CN110721376 B CN 110721376B
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- detection device
- fixedly connected
- soda lime
- lime
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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
- A61M16/0087—Environmental safety or protection means, e.g. preventing explosion
- A61M16/009—Removing used or expired gases or anaesthetic vapours
- A61M16/0093—Removing used or expired gases or anaesthetic vapours by adsorption, absorption or filtration
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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
- A61M16/0051—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes with alarm devices
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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
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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
- A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
- A61M2016/003—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter
- A61M2016/0033—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter electrical
- A61M2016/0042—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter electrical in the expiratory circuit
-
- 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
- A61M2205/3368—Temperature
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- Health & Medical Sciences (AREA)
- Anesthesiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hematology (AREA)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Emergency Medicine (AREA)
- Pulmonology (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
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- Environmental & Geological Engineering (AREA)
- Investigating Or Analysing Biological Materials (AREA)
Abstract
The invention relates to the technical field of effectiveness detection of sodium lime serving as an anesthetic, and discloses a sodium lime effectiveness detection device for an anesthetic machine. The current change in the thermistor circuit can be obtained through the temperature change of the thermistor arranged on the lower side of the left part of the air outlet pipe groove; the sliding rod and the metal ball on the sliding rod are driven by the sliding block to slide on the variable resistor, the current in the variable resistor circuit changes, the rate of carbon dioxide absorbed in the soda lime tank can be obtained according to the current value in the variable resistor circuit, and the problem that the existing anesthetic soda lime cannot be accurately detected is solved by the structure.
Description
Technical Field
The invention relates to the technical field of effectiveness detection of sodium lime serving as an anesthetic, in particular to a sodium lime effectiveness detection device for an anesthetic.
Background
The anesthetic is a medicament which can make the organism or the local temporary reversibility of the organism lose consciousness and pain sensation by using a medicament or a non-medicament method and is mostly used for operation or treatment of certain diseases, the anesthetic is the first invention and used in the world, is created by Huatuo, a medical professional distinguished between the last year of eastern Han and the third year, Huatuo, an ancient famous medical professional in China, invents the anesthetic, the anesthetic is selected from the earliest anesthetic in the world of the world recording Association, and the Huatuo is selected from the earliest person who uses the anesthetic in the world of the world recording Association for operation. The ephedra powder creates the most ancient Chinese medicine in the world. The anesthesia machine sends the anesthetic into the alveolus of the patient through a mechanical loop to form the gas partial pressure of the anesthetic, and after the gas partial pressure is dispersed into blood, the gas partial pressure directly inhibits the central nervous system, thereby generating the effect of general anesthesia.
Before the anesthetic is delivered to the alveoli of a patient by an anesthesia machine, the anesthetic needs to be tested for soda lime, which is CO indispensable for closed-cycle general anesthesia2Absorbent, sodium lime failure can cause CO2The accumulation of carbon dioxide, so that the patient has symptoms of carbon dioxide accumulation,therefore, the life safety of a patient is influenced, the color change of the soda lime in the existing anesthesia machine is observed by a worker through naked eyes, because the PH color change indicator is added into the existing soda lime, but the detection method cannot accurately judge the color depth through the naked eyes, and on the other hand, the interior of the soda lime cannot be observed through the naked eyes.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the utility detection device for the sodium lime for the anaesthesia machine, which has the advantages of high use degree and high detection sensitivity of the sodium lime, and solves the problem that the use degree of the sodium lime for the existing anaesthesia agent is not accurate.
(II) technical scheme
In order to realize the purposes of accurately detecting the using degree of soda lime and high detection sensitivity, the invention provides the following technical scheme: a utility detection device for soda lime for an anesthesia machine comprises a soda lime tank, an air valve is fixedly connected with the middle part of the lower end of the soda lime tank, a display is fixedly connected with the left side of the upper end of the soda lime tank, an indicator lamp is arranged at the right end of the display and at the upper side of the soda lime tank, an air inlet pipe is fixedly connected with the lower end of the soda lime tank and at the position of the air valve, a condenser is fixedly connected with the upper part of the air inlet pipe, a spiral pipe is fixedly connected with the middle part of the lower end of the inner part of the soda lime tank and above the air valve, a flow measurement device is fixedly connected with the outer side of the spiral pipe, a detection device is fixedly connected with the upper end of the spiral pipe and at the right side of the upper part of the soda lime tank, an air outlet pipe groove corresponding to the spiral pipe is arranged in the detection device, a positioning, the detection device comprises a detection device body, a slider, a sliding rod, a metal ball, a spring, a variable resistor and a filtering device, wherein the thermistor is fixedly connected to the inner portion of the detection device body and the lower side of the left portion of an air outlet pipe groove, the slider is slidably connected to the inner portion of the detection device body and the lower side of a rectangular groove, the sliding rod is fixedly connected to the right end of the slider, the metal ball is fixedly connected to the lower end of the sliding rod, the spring is fixedly connected to the right end of the sliding rod, the variable resistor is slidably connected to the lower.
Preferably, the gas valve is a one-way valve, so that the soda lime in the soda lime tank can absorb carbon dioxide to release heat and cannot flow back to the patient.
Preferably, the flow measuring means are located at the same relative position of the spiral tube so that it can be detected in which area of the soda lime tank carbon dioxide is most purged.
Preferably, the width of the rectangular groove is smaller than the width of the slider, so that gas is discharged from the rectangular groove.
Preferably, the cross section of the air outlet pipe groove is matched with the shape of the sliding block, so that the sliding block can normally slide in the air outlet pipe groove.
Preferably, the length of the rectangular groove is the same as the moving distance of the variable resistor and the sliding block on the air outlet pipe groove.
Preferably, the metal ball is aligned with the left end of the variable resistor, so that the current of the circuit formed by connecting the metal ball and the variable resistor in series is zero, and the calculation is convenient.
(III) advantageous effects
Compared with the prior art, the invention provides a sodium lime utility detection device for an anesthesia machine, which has the following beneficial effects:
1. this soda lime utility detection device for anesthesia machine, through the internal gas of measurement personnel to intake pipe exhalation, this gas passes through the intake pipe and enters into the spiral pipe through the pneumatic valve, the gas pocket of seting up through the spiral pipe, it is absorbed to enter into the soda lime layer, a plurality of flow measuring device through setting up on the spiral pipe, flow rate numerical value according to flow measuring device obtains, can derive which regional carbon dioxide of exhaled gas in the soda lime jar is absorbed the fastest, thereby further tell our soda lime jar in the different regional use degree of soda lime.
2. The utility detection device of soda lime for the anesthesia machine is characterized in that gas heat in a gas inlet pipe exhaled body is removed through a condenser by a detector, the heat in the detector is completely from a reaction of absorbing carbon dioxide, the current change in a thermistor circuit can be obtained through the temperature change of a thermistor arranged on the lower left side of a gas outlet pipe groove, so that the temperature in the gas outlet pipe groove is obtained, a sliding block is pushed to move rightwards through air pressure, the sliding block drives a sliding rod and a metal ball on the sliding rod to slide on a variable resistor, the current in the variable resistor circuit changes, when the sliding block drives the sliding rod and the metal ball on the sliding rod to reach a balance, the rate of absorbing carbon dioxide in a soda lime tank can be obtained according to the current value in the variable resistor circuit, the degree of consuming the whole soda lime tank can be indirectly obtained, and high precision and high sensitivity are detected by utilizing electric signals, thereby the problem that the prior anesthetic sodium lime is not accurately detected is solved.
3. This sodium lime utility detection device for anesthesia machine shows at the display through the signal of telecommunication in thermistor and the variable resistance circuit, and the service behavior of soda lime jar can audio-visually be known to the testing personnel, and when the signal of telecommunication in thermistor and the variable resistance circuit reached a certain numerical value, the pilot lamp will indicate the testing personnel to change the soda lime in the soda lime jar to further guarantee patient's life safety.
Drawings
FIG. 1 is a sectional view of the overall front structure of the present invention;
FIG. 2 is a front sectional view of the detecting device of the present invention;
FIG. 3 is an enlarged view of the structure of FIG. 2 at B according to the present invention;
FIG. 4 is a cross-sectional view of the structure of FIG. 2 taken along line A-A thereof in accordance with the present invention;
fig. 5 is an enlarged view of the structure of fig. 4 at C according to the present invention.
In the figure: the device comprises a soda ash tank 1, an air valve 101, a display 102, an indicator light 103, an air inlet pipe 2, a condenser 3, a spiral pipe 4, a flow measuring device 5, a detection device 6, an air outlet pipe groove 601, a positioning block 602, a rectangular groove 603, a thermistor 7, a slider 8, a sliding rod 9, a metal ball 901, a spring 10, a variable resistor 11 and a filtering device 12.
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. 1-5, a utility detection device for soda lime for anesthesia machine comprises a soda lime tank 1, an air valve 101 is fixedly connected to the middle of the lower end of the soda lime tank 1, the air valve 101 is a one-way valve, thereby guarantee that the soda lime in soda lime jar 1 absorbs the carbon dioxide and releases heat and can not flow back to the patient internal, the upper end left side fixedly connected with display 102 of soda lime jar 1, the right-hand member of display 102 and be provided with pilot lamp 103 at the upside of soda lime jar 1, the lower extreme of soda lime jar 1 and at the fixed connection in position intake pipe 2 of pneumatic valve 101, the upper portion fixedly connected with condenser 3 of intake pipe 2, the inside lower extreme middle part of soda lime jar 1 and at the top fixedly connected with spiral pipe 4 of pneumatic valve 101, the equal fixedly connected with flow measuring device 5 in the outside of spiral pipe 4, flow measuring device 5 is at the same relative position of spiral pipe 4, thereby can detect out which region of carbon dioxide in soda lime jar 1 and be clear away the most.
The working principle is as follows: it is known that: soda lime is one of the disposable medical consumables, used to absorb carbon dioxide in laparoscopic surgery or other general anesthesia surgeries. The working principle of soda lime is as follows: NaOH solid is easy to deliquesce, and CaO reacts with water to produce slaked lime Ca (OH)2The reaction equation is as follows:
CaO+H2O＝Ca(OH)2
Ca(OH)2+CO2＝CaCO3↓+H2O
2NaOH+CO2＝Na2CO3+H2O
among them, the former chemical reaction emits a large amount of heat.
This soda lime utility detection device for anesthesia machine, when detecting the soda lime in soda lime jar 1, through the gas that testing personnel exhaled to intake pipe 2 internal, this gas enters into spiral pipe 4 through intake pipe 2 through pneumatic valve 101, the gas pocket of seting up through spiral pipe 4, enter into the soda lime layer and be absorbed, a plurality of flow measuring device 5 through setting up on spiral pipe 4, flow rate numerical value according to flow measuring device 5 obtains, can derive that exhaled gas is absorbed the fastest at which regional carbon dioxide in soda lime jar 1, thereby further tell us the degree of use of the soda lime of different regions in soda lime jar 1. By CaO + H2O＝Ca(OH)2And Ca (OH)2+CO2＝CaCO3↓+H2O, the heat of the reaction is released, the heat of the gas exhaled from the gas inlet pipe 2 by a detector is removed through the condenser 3, so that the heat in the detector 6 is completely from the reaction of absorbing carbon dioxide, the current change in the circuit of the thermistor 7 can be obtained through the temperature change of the thermistor 7 arranged on the lower side of the left part of the gas outlet pipe groove 601, so as to obtain the temperature in the gas outlet pipe groove 601, the internal gas pressure of the gas outlet pipe groove 601 is increased due to the hot gas in the gas outlet pipe groove 601, the slider 8 is pushed by the gas pressure to move rightwards, the slider 8 drives the sliding rod 9 and the metal ball 901 thereon to slide on the variable resistor 11, the current in the circuit of the variable resistor 11 is changed, when the sliding rod 9 and the metal ball 901 thereon are driven by the slider 8 to reach a balance, the rate of absorbing carbon dioxide in the soda ash can be obtained according to the current value in the circuit of, therefore, the overall sodium lime consumed degree of the sodium lime tank 1 can be indirectly obtained, and the detection is performed by utilizing an electric signal, so that the high precision and the high sensitivity are realized, and the problem that the existing anesthetic sodium lime is not accurately detected is solved. The electric signals in the circuits of the thermistor 7 and the variable resistor 11 are displayed on the display 102, so that the detection personnel can visually know the service condition of the soda lime tank 1, and when the electric signals in the circuits of the thermistor 7 and the variable resistor 11 reach a certain value, the indicating lamp 103 prompts the detection personnel to replace soda lime in the soda lime tank 1, thereby further ensuring the life safety of the patient.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
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: an air valve (101) is fixedly connected to the middle of the lower end of the sodium lime tank (1), a display (102) is fixedly connected to the left side of the upper end of the sodium lime tank (1), an indicator lamp (103) is arranged at the right end of the display (102) and on the upper side of the sodium lime tank (1), an air inlet pipe (2) is fixedly connected to the lower end of the sodium lime tank (1) and on the position of the air valve (101), a condenser (3) is fixedly connected to the upper portion of the air inlet pipe (2), a spiral pipe (4) is fixedly connected to the middle of the lower end of the inner portion of the sodium lime tank (1) and above the air valve (101), a plurality of flow measuring devices (5) are fixedly connected to the outer side of the whole length of the spiral pipe (4), a detecting device (6) is fixedly connected to the upper end of the spiral pipe (4) and on the right side of the upper portion of the sodium, the detection device comprises a detection device (6), a positioning block (602) is arranged in the middle of an air outlet pipe groove (601), a rectangular groove (603) is formed in the detection device (6) and above the left side of the positioning block (602), a thermistor (7) is fixedly connected to the inner portion of the detection device (6) and below the left portion of the air outlet pipe groove (601), a slider (8) is slidably connected to the inner portion of the detection device (6) and below the rectangular groove (603), a sliding rod (9) is fixedly connected to the right end of the slider (8), a metal ball (901) is fixedly connected to the lower end of the sliding rod (9), a spring (10) is fixedly connected to the right end of the sliding rod (9), a variable resistor (11) is slidably connected to the lower end of the metal ball (901) and below the rectangular groove (603), and a filtering device (12) is fixedly connected to the right side of the upper end of the detection.
2. The utility detection device of soda lime for anesthesia machine of claim 1, characterized in that: the air valve (101) is a one-way valve.
3. The utility detection device of soda lime for anesthesia machine of claim 1, characterized in that: the width of the rectangular groove (603) is smaller than that of the sliding block (8).
4. The utility detection device of soda lime for anesthesia machine of claim 1, characterized in that: the section of the air outlet pipe groove (601) is adapted to the shape of the sliding block (8).
5. The utility detection device of soda lime for anesthesia machine of claim 1, characterized in that: the length of the rectangular groove (603) is matched with that of the variable resistor (11) and the sliding block (8).
6. The utility detection device of soda lime for anesthesia machine of claim 1, characterized in that: the metal ball (901) is aligned with the left end of the variable resistor (11).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911019995.5A CN110721376B (en) | 2019-10-25 | 2019-10-25 | Sodium lime utility detection device for anesthesia machine |
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| CN201911019995.5A CN110721376B (en) | 2019-10-25 | 2019-10-25 | Sodium lime utility detection device for anesthesia machine |
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| CN110721376B true CN110721376B (en) | 2021-04-20 |
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| CN111388772B (en) * | 2020-03-26 | 2021-01-29 | 吉林大学 | Quick cough relieving device of cardiovascular postoperative care |
| CN111840729A (en) * | 2020-08-26 | 2020-10-30 | 西安交通大学医学院第一附属医院 | Sodium lime utility detection device for anesthesia machine and detection method thereof |
Citations (8)
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| EP0677883A1 (en) * | 1994-03-18 | 1995-10-18 | Electric Fuel (E.F.L.) Limited | Scrubber system for removing carbon dioxide from a metal-air or fuel cell battery |
| EP0773435A2 (en) * | 1995-07-21 | 1997-05-14 | Texas Instruments Incorporated | Method and devices for measuring radiation |
| WO2004001407A1 (en) * | 2002-06-25 | 2003-12-31 | Asthma Alert Limited | Electrochemical gas detection apparatus and method comprising a permeable membrane and an aqueous electrolyte |
| EP1496970B1 (en) * | 2002-04-23 | 2008-01-23 | Maquet Critical Care AB | Anaesthetic delivery system |
| CN207051136U (en) * | 2017-08-24 | 2018-02-27 | 深圳市鸿泰祥进出口有限公司 | Warehouse damp-proof device |
| CN207913002U (en) * | 2017-03-28 | 2018-09-28 | 杭州山友医疗器械有限公司 | Absorption unit of dioxide carbon and Anesthesia machine |
| CN108939184A (en) * | 2017-05-19 | 2018-12-07 | 宏碁股份有限公司 | Displacement sensing device and peritoneal dialysis system |
| CN109395227A (en) * | 2018-12-17 | 2019-03-01 | 无锡圣诺亚科技有限公司 | External absorption unit of dioxide carbon |
-
2019
- 2019-10-25 CN CN201911019995.5A patent/CN110721376B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0677883A1 (en) * | 1994-03-18 | 1995-10-18 | Electric Fuel (E.F.L.) Limited | Scrubber system for removing carbon dioxide from a metal-air or fuel cell battery |
| EP0773435A2 (en) * | 1995-07-21 | 1997-05-14 | Texas Instruments Incorporated | Method and devices for measuring radiation |
| EP1496970B1 (en) * | 2002-04-23 | 2008-01-23 | Maquet Critical Care AB | Anaesthetic delivery system |
| WO2004001407A1 (en) * | 2002-06-25 | 2003-12-31 | Asthma Alert Limited | Electrochemical gas detection apparatus and method comprising a permeable membrane and an aqueous electrolyte |
| CN207913002U (en) * | 2017-03-28 | 2018-09-28 | 杭州山友医疗器械有限公司 | Absorption unit of dioxide carbon and Anesthesia machine |
| CN108939184A (en) * | 2017-05-19 | 2018-12-07 | 宏碁股份有限公司 | Displacement sensing device and peritoneal dialysis system |
| CN207051136U (en) * | 2017-08-24 | 2018-02-27 | 深圳市鸿泰祥进出口有限公司 | Warehouse damp-proof device |
| CN109395227A (en) * | 2018-12-17 | 2019-03-01 | 无锡圣诺亚科技有限公司 | External absorption unit of dioxide carbon |
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