CN220588730U - Carbon dioxide adsorption device in anesthesia loop - Google Patents
Carbon dioxide adsorption device in anesthesia loop Download PDFInfo
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- CN220588730U CN220588730U CN202321712240.5U CN202321712240U CN220588730U CN 220588730 U CN220588730 U CN 220588730U CN 202321712240 U CN202321712240 U CN 202321712240U CN 220588730 U CN220588730 U CN 220588730U
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- cavity
- carbon dioxide
- anesthesia
- air inlet
- circuit according
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 118
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 59
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 59
- 206010002091 Anaesthesia Diseases 0.000 title claims abstract description 50
- 230000037005 anaesthesia Effects 0.000 title claims abstract description 50
- 238000001179 sorption measurement Methods 0.000 title claims abstract description 14
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims abstract description 11
- 235000011941 Tilia x europaea Nutrition 0.000 claims abstract description 11
- 239000004571 lime Substances 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 5
- 239000002245 particle Substances 0.000 claims description 5
- 230000003444 anaesthetic effect Effects 0.000 claims 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 abstract description 7
- 229910052791 calcium Inorganic materials 0.000 abstract description 7
- 239000011575 calcium Substances 0.000 abstract description 7
- 206010011409 Cross infection Diseases 0.000 abstract description 6
- 206010029803 Nosocomial infection Diseases 0.000 abstract description 6
- 239000011257 shell material Substances 0.000 description 25
- 238000010521 absorption reaction Methods 0.000 description 9
- 230000029058 respiratory gaseous exchange Effects 0.000 description 8
- 238000009434 installation Methods 0.000 description 5
- 239000003463 adsorbent Substances 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004745 nonwoven fabric Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009924 canning Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005399 mechanical ventilation Methods 0.000 description 1
- 230000036407 pain Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/40—Capture or disposal of greenhouse gases of CO2
Landscapes
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The utility model provides a carbon dioxide adsorption device in an anesthesia loop, which relates to the technical field of carbon dioxide adsorption devices and comprises a shell, wherein an anesthesia machine connector is arranged on the shell, the anesthesia machine connector comprises an air inlet and an air outlet, at least two cavities are arranged in the shell, carbon dioxide adsorption materials are filled in the cavities, the cavities are connected through bottom cavities, the air inlet and the air outlet are respectively connected with a head cavity and a tail cavity, gas enters through the air inlet and sequentially passes through the first cavity, the bottom cavity, the tail cavity and the air outlet to form a tortuous circulation route of the gas, and a holding part is arranged on the shell. The traditional single-pass loop is designed into two relatively independent airflow cavities, so that each calcium lime can fully absorb carbon dioxide exhaled by a patient, and the design of the big cavity and the small cavity also enables medical staff to hold the device by one hand, thereby facilitating the operation and the replacement. The design realization of external connection can disposable jar body, has reduced patient cross infection's risk.
Description
Technical Field
The utility model relates to the technical field of carbon dioxide adsorption devices, in particular to a carbon dioxide adsorption device in an anesthesia loop.
Background
The mechanical ventilation of the anesthesia machine adopts a tight circulation mode, and the carbon dioxide absorbing device of the absorption loop of the anesthesia machine is used for absorbing carbon dioxide in the gas exhaled by a patient so as to reduce the concentration of the carbon dioxide in the gas inhaled by the patient. The carbon dioxide absorbing device has the effect principle that the carbon dioxide absorbent filled in the carbon dioxide absorbing device reacts with carbon dioxide chemically, so that the carbon dioxide is absorbed. When the carbon dioxide absorbing device absorbs the gas exhaled from the breathing pipeline of the anesthesia machine, the gas exhaled from the patient in the breathing pipeline of the anesthesia machine enters the carbon dioxide absorbing device through the air inlet pipe, the gas absorbed and filtered by the carbon dioxide absorbing device returns to the breathing pipeline of the anesthesia machine again through the air outlet pipe, and therefore the patient is prevented from repeatedly inhaling carbon dioxide to threaten life.
Nowadays, most anesthesia machines manufacturers adopt a design mode that a carbon dioxide absorbing tank is designed in the middle section of a breathing pipeline of the anesthesia machine, and the carbon dioxide absorbing tank is commonly called as a built-in carbon dioxide absorbing tank, and the built-in carbon dioxide absorbing tank needs to be matched with built-in carbon dioxide primary canning ports of anesthesia machines of different models, so that the research and development cost is extremely high. Different anesthesia machine tank opening structures are complicated, in order to guarantee product assembly leakproofness and change convenient for product structure is complicated, has caused the jar body cost higher. Meanwhile, the sectional area of the original can body of various models is larger, in order to ensure the carbon dioxide absorption effect, the weight of carbon dioxide adsorption particles to be filled is larger, if one can is used, the waste is very large, so that the treatment cost of a patient is increased, and the carbon dioxide absorption device is contrary to the current advocate of reducing the clinical medical cost, is difficult to popularize one can for one time in clinic, and is difficult to thoroughly avoid the hidden danger of cross infection, so that the carbon dioxide absorption device capable of realizing low-cost one-time use is urgently needed in clinic.
In summary, the current clinical pain point is that the anesthesia machine is from the carbon dioxide absorption tank body that takes, and factor year use is not changed, and cross infection is extremely easily caused between the patient, and the design of tank body single channel for carbon dioxide absorption is insufficient, causes the waste of adsorbent. The adsorbent in the tank body is replaced in the operation, dust is easy to generate to pollute the sterile environment of an operating room, doctors and patients all have the risk of sucking the dust, the replacement time is long, and the operation is complex; secondly, the loop in the tank body is a single channel, so that the carbon dioxide is incompletely absorbed, the carbon dioxide returns to the breathing pipeline of the anesthesia machine again, and the patient repeatedly inhales the carbon dioxide to threaten life; thirdly, the tank body in the market has larger volume and has no grabbing and pulling points during installation, and both hands are required to hold the tank body during replacement to realize installation or replacement.
The present application is directed to the above-mentioned drawbacks.
Disclosure of Invention
The utility model aims to provide a carbon dioxide adsorption device in an anesthesia loop, which solves the problems of easy cross infection, insufficient single-channel carbon dioxide absorption and complicated replacement among patients caused by long-time non-replacement of a built-in carbon dioxide absorption tank of an anesthesia machine at the present stage.
In order to solve the problems, the utility model provides a carbon dioxide adsorption device in an anesthesia loop, which comprises a shell, wherein an anesthesia machine connector is arranged on the shell, the anesthesia machine connector comprises an air inlet and an air outlet, at least two channels are arranged in the shell, carbon dioxide adsorption materials are filled in the channels, the channels are connected through a bottom cavity, the air inlet and the air outlet are respectively connected with a head cavity and a tail cavity, gas enters through the air inlet, sequentially passes through the first channel, the bottom cavity, the tail cavity and the air outlet, a tortuous circulation route of the gas is formed, and a holding part is arranged on the shell.
According to an embodiment of the utility model, the connecting positions of the cavity channel, the connecting port of the anesthesia machine and the bottom cavity are provided with sieve plates.
According to an embodiment of the utility model, a filter disc is further arranged at the connecting position of the cavity channel, the connecting port of the anesthesia machine and the bottom cavity.
According to an embodiment of the utility model, a plurality of protruding structures are arranged in the bottom cavity.
According to an embodiment of the present utility model, the carbon dioxide adsorbing material filled in the cavity is lime particles.
According to an embodiment of the utility model, the cavity is a cylindrical cavity, and the anesthesia machine connection port and the bottom cavity are respectively arranged at two ends of the cavity.
According to an embodiment of the present utility model, the outer housing of the cavity is cylindrical, thereby forming the grip portion.
According to an embodiment of the utility model, there is a gap between the outer shells of the two said channels.
According to an embodiment of the utility model, the diameters of the two channels are arranged in a large and small way, wherein the outer shell of the channel with the smaller diameter forms a holding part.
According to an embodiment of the utility model, the diameter of the channel connected with the air inlet is larger than the diameter of the channel connected with the air outlet.
The utility model has the beneficial effects that the traditional single-pass loop is designed into two relatively independent airflow cavities, so that each calcium lime can fully absorb carbon dioxide exhaled by a patient, and the design of the large and small cavities also enables medical staff to hold the single-hand type multifunctional medical device with more convenient operation and replacement. The design realization of external connection can disposable jar body, has reduced patient cross infection's risk. Double-layer filtering eliminates risks such as dust inhalation by doctors and patients. The bottom cavity design not only improves the circulation efficiency of carbon dioxide gas, but also can collect the moisture in the gas exhaled by the patient. The patient inhalation end adopts double-deck non-woven fabrics to filter the dust, effectual protection patient.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 is a schematic diagram of the overall structure of a carbon dioxide adsorbing device in an anesthesia loop;
FIG. 2 is a schematic cross-sectional view;
fig. 3 is a schematic diagram of the operation.
1. An upper case; 1-1, an air inlet cavity channel; 1-2, an air outlet cavity channel; 2. a lower case; 2-1, bottom cavity; 3. an air outlet; 4. an air inlet; 5. a gas lower sieve plate; 6. a filter sheet; 7. the gas is put on the sieve plate.
Detailed Description
The following description is presented to enable one skilled in the art to practice the utility model and is provided only to enable the utility model. The embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art. The basic principles of the utility model defined in the following description may be applied to other embodiments, variations, modifications, equivalents, and other arrangements without departing from the spirit and scope of the utility model.
[ example 1 ]
The carbon dioxide absorbing device in the anesthesia loop solves the problem that the carbon dioxide absorbing device cannot fully utilize the adsorbent and replace the adsorbent to pollute the sterile environment; the problems of inconvenient installation, long replacement time and complex operation are solved; firstly, the problem of cross infection of a plurality of patients is solved; reducing the cost of raw materials and labor cost of manufacture.
The principle is as follows: when the calcium lime tank absorbs the gas exhaled from the breathing pipeline of the anesthesia machine, the gas exhaled from the patient in the breathing pipeline of the anesthesia machine enters the calcium lime tank through the air inlet pipe, and the gas after being absorbed and filtered by the calcium lime tank returns to the breathing pipeline of the anesthesia machine again through the air outlet pipe, as shown in figure 3, so that the absorption of carbon dioxide is realized.
Specifically, as shown in fig. 1 and 2, the device comprises a shell, wherein the shell comprises an upper shell 1 and a lower shell 2, the upper shell 1 and the lower shell 2 are fixedly connected, and the fixed connection can be realized through an ultrasonic welding mode, a clamping mode, a connecting piece connecting mode and the like.
The shell 1 is provided with an anesthesia machine connector, the anesthesia machine connector comprises an air inlet 4 and an air outlet 3, the air inlet 4 is used for being connected with an anesthesia machine, and the air outlet is connected with a threaded pipe (close to a patient end).
The shell is provided with a plurality of cavity channels, lime particles are filled in the cavity channels, two of the cavity channels are arranged in the embodiment, the lime particles comprise an air inlet cavity channel 1-1 and an air outlet cavity channel 1-2, a bottom cavity 2-1 is arranged in the lower shell 2, the air inlet cavity channel 1-1 and the air outlet cavity channel 1-2 are connected through the bottom cavity 2-1, an air inlet 4 and an air outlet 3 are respectively connected with the air inlet cavity channel 1-1 and the air outlet cavity channel 1-2, air enters through the air inlet 4, sequentially passes through the air inlet cavity channel 1-1, the bottom cavity 2-1, the air outlet cavity channel 1-2 and the air outlet 3, a tortuous circulation route of the air is formed, and a holding part is arranged on the shell.
The connecting positions of the cavity channel, the anesthesia machine connecting port and the bottom cavity 2-1 are provided with a sieve plate and a filter plate 6, and the assembling mode is as follows: the filter disc 6 is placed on the top (air inlet and outlet end) of the upper shell 1, and then the upper gas sieve plate 7 is placed on the filter disc 6; pouring a set amount of lime calcium into the upper shell 1; covering a filter sheet 6 and a gas lower sieve plate 5 on calcium lime in sequence; the upper shell 1 and the lower shell 2 are welded by ultrasonic waves.
Preferably, the filter sheet 6 may be a double layer nonwoven fabric.
Preferably, as shown in fig. 2, a plurality of protruding structures are arranged in the bottom cavity 2-1, which is plate-shaped in this embodiment, so that the contact area with the gas is increased, the gas circulation efficiency is improved, the water vapor in the gas exhaled by the patient can be collected, and the condensed water in the tank body is reduced.
Preferably, the cavity is a cylindrical cavity, the connecting port of the anesthesia machine and the bottom cavity 2-1 are respectively arranged at the upper end and the lower end of the cavity, the length of the gas passing through the cavity is increased, and the bottom cavity can effectively store condensed water.
Preferably, as shown in fig. 1, the outer shell of the cavity is cylindrical, so that the middle part of the upper shell 1 forms two cylinders, thereby forming a holding part, and the cylindrical shell is more convenient to hold during replacement. Further, as shown in fig. 1, a gap is provided between the outer shells of the two channels, which reduces the amount of shell material and increases the comfort of the grip. Further, the diameters of the two channels are set to be one by one, wherein the outer shell of the channel with the smaller diameter forms a holding part. Further, the diameter of the cavity connected with the air inlet 4 is larger than that of the cavity connected with the air outlet 3, so that the air inlet resistance is reduced.
The two independent filter cavities of the air inlet cavity channel 1-1 and the air outlet cavity channel 1-2 can fully absorb and filter, so that the gas exhaled by a patient is filtered twice, and the double-cavity channel is designed as the initiative; the outer shell of the air outlet channel 1-2 can be used as a gripping point by medical staff during installation and disassembly, so that the air outlet channel is convenient to hold and operate, and the design is initiated; the design of the bottom cavity 2-1 greatly improves the gas circulation efficiency, can collect the vapor in the gas exhaled by the patient, reduces the condensed water in the tank body, and is the first design; the air inlet 4 is equipped with a main flow respirator and an anesthesia machine.
The two independent double-cavity channels of the air inlet cavity channel 1-1 and the air outlet cavity channel 1-2 can not reflux and can fully absorb carbon dioxide in the exhaled air, and the specific structural modes of the air inlet cavity channel 1-1 and the air outlet cavity channel 1-2 are not limited, namely the shapes, the arrangement modes and the like of the cavity channels.
The air outlet cavity 1-2 can be used as a gripping point for the medical staff during installation and disassembly, and is not limited to the specific structural specification and size, namely, the appearance is not limited to a cylindrical shape, the holding is convenient, and anti-skid lines can be arranged on the outer surface.
It will be appreciated by persons skilled in the art that the embodiments of the utility model described above and shown in the drawings are by way of example only and are not limiting. The objects of the present utility model have been fully and effectively achieved. The functional and structural principles of the present utility model have been shown and described in the examples and embodiments of the utility model are susceptible to any variations and modifications without departing from the principles.
Claims (10)
1. Carbon dioxide adsorption equipment in anesthesia return circuit, its characterized in that: including the casing, be provided with anesthesia machine connector on the casing, anesthesia machine connector includes air inlet (4) and gas outlet (3), be provided with two at least chambeies in the casing, be used for filling carbon dioxide adsorption material in the chambeies, be connected through bottom cavity (2-1) between the chambeies, air inlet (4) and gas outlet (3) are connected with two chambeies of head and tail respectively, and gas passes through air inlet (4) get into, loops through first chambeies, bottom cavity (2-1), afterbody chambeies and gas outlet (3), forms gaseous tortuous circulation route, be provided with the portion of gripping on the casing.
2. The carbon dioxide adsorbing device in an anesthesia circuit according to claim 1, wherein: the connecting positions of the cavity channel, the connecting port of the anesthesia machine and the bottom cavity (2-1) are provided with sieve plates.
3. The carbon dioxide adsorbing device in an anesthesia circuit according to claim 2, wherein: and a filter disc (6) is further arranged at the connecting position of the cavity channel, the anesthesia machine connecting port and the bottom cavity (2-1).
4. A carbon dioxide adsorbing device in an anaesthetic circuit according to any one of claims 1-3 wherein: a plurality of protruding structures are arranged in the bottom cavity (2-1).
5. The carbon dioxide adsorbing device in an anesthesia circuit according to claim 4 wherein: the carbon dioxide adsorption material filled in the cavity is lime particles.
6. The carbon dioxide adsorbing device in an anesthesia circuit according to claim 4 wherein: the cavity is a cylindrical cavity, and the connecting port of the anesthesia machine and the bottom cavity (2-1) are respectively arranged at two ends of the cavity.
7. The carbon dioxide adsorbing device in an anesthesia circuit according to claim 6, wherein: the outer housing of the channel is cylindrical, thereby forming the grip.
8. The carbon dioxide adsorbing device in an anesthesia circuit according to claim 7, wherein: a gap is provided between the outer shells of the two channels.
9. The carbon dioxide adsorbing device in an anesthesia circuit according to claim 7 or 8, wherein: the diameters of the two cavities are set in a large-small way, wherein the outer shell of the cavity with the smaller diameter forms a holding part.
10. The carbon dioxide adsorbing device in an anesthesia circuit according to claim 9, wherein: the diameter of the cavity connected with the air inlet (4) is larger than that of the cavity connected with the air outlet (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321712240.5U CN220588730U (en) | 2023-07-03 | 2023-07-03 | Carbon dioxide adsorption device in anesthesia loop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321712240.5U CN220588730U (en) | 2023-07-03 | 2023-07-03 | Carbon dioxide adsorption device in anesthesia loop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220588730U true CN220588730U (en) | 2024-03-15 |
Family
ID=90172031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321712240.5U Active CN220588730U (en) | 2023-07-03 | 2023-07-03 | Carbon dioxide adsorption device in anesthesia loop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220588730U (en) |
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2023
- 2023-07-03 CN CN202321712240.5U patent/CN220588730U/en active Active
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