CN211132587U - Carbon dioxide absorption tank - Google Patents
Carbon dioxide absorption tank Download PDFInfo
- Publication number
- CN211132587U CN211132587U CN201822130552.0U CN201822130552U CN211132587U CN 211132587 U CN211132587 U CN 211132587U CN 201822130552 U CN201822130552 U CN 201822130552U CN 211132587 U CN211132587 U CN 211132587U
- Authority
- CN
- China
- Prior art keywords
- spiral
- carbon dioxide
- shell
- air outlet
- cabin
- 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
Landscapes
- Gas Separation By Absorption (AREA)
Abstract
The utility model relates to a carbon dioxide absorption tank, which comprises a shell, an air inlet and an air outlet, wherein the air inlet and the air outlet are positioned on the shell; a diaphragm cabin is arranged in the shell, the inner cavity space of the shell is divided into independent vertical chambers through the diaphragm cabin, and carbon dioxide absorbent is filled in the vertical chambers; at least one group of circulation holes are arranged at the bottom of the diaphragm cabin, and the shell comprises a cylinder body with an opening at the upper end and the lower end; an opening at the upper end of the cylinder body is hermetically assembled with an upper cover, and an opening at the lower end of the cylinder body is hermetically assembled with a lower cover; the air inlet is arranged in the center of the upper cover and is correspondingly communicated with the diaphragm cabin, and exhaled air enters from the upper end of the diaphragm cabin and enters the vertical chamber through the circulation hole; the utility model discloses simple structure is compact, and the cost is lower, and the equipment is simple and convenient, and convenient to use can reduce environmental pollution, avoids influencing anesthesia doctor and patient's health, has increased the security when anesthesia machine implements mechanical ventilation.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, especially, relate to a carbon dioxide absorption tank.
Background
At present, a closed circulation mode is adopted during mechanical ventilation of an anesthesia machine, and expired gas (mixed gas containing carbon dioxide, mainly oxygen or anesthetic gas) in a breathing pipeline of the anesthesia machine enters a breathing loop again after being absorbed by a carbon dioxide absorption tank for use. The carbon dioxide absorption tank works on the principle that the carbon dioxide absorbent charged therein chemically reacts with carbon dioxide to absorb the carbon dioxide.
The carbon dioxide absorption tank used in the existing anesthesia machine is reused, and has the following defects: 1) carbon dioxide is a powder alkaline substance, and the alkaline powder enters a breathing circuit in use, so that the carbon dioxide is not beneficial to a patient; 2) the carbon dioxide absorbent needs to be replaced after being out of work, and alkaline dust is raised during replacement, which is not good for anesthesiologists; 3) when the anesthesia machine is used, the carbon dioxide absorbent fails, and mechanical ventilation needs to be interrupted to replace the carbon dioxide absorbent, which is not favorable for patients; 4) the carbon dioxide powder is filled in a large tank to easily form a short-circuit effect, exhaled gas escapes from gaps of loose parts with small resistance, the carbon dioxide powder is not used at other parts, but a carbon dioxide absorption tank is failed, the carbon dioxide powder in the whole tank needs to be replaced, the using time is shortened, waste is caused, and the environment is polluted.
In view of the above problems, it is necessary to improve them.
SUMMERY OF THE UTILITY MODEL
The utility model relates to an overcome the defect among the above-mentioned prior art, provide a simple structure, convenient to use can reduce environmental pollution, avoids the health hidden danger to anesthesia doctor and patient, has increased the carbon dioxide absorption jar of the security when anesthesia machine implements machinery and ventilates.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a carbon dioxide absorption tank comprises a shell, and an air inlet and an air outlet which are positioned on the shell; a diaphragm cabin is arranged in the shell, the inner cavity space of the shell is divided into independent vertical chambers through the diaphragm cabin, and carbon dioxide absorbent is filled in the vertical chambers; at least one group of circulation holes are arranged at the bottom of the diaphragm cabin, and the shell comprises a cylinder body with an opening at the upper end and the lower end; an opening at the upper end of the cylinder body is hermetically assembled with an upper cover, and an opening at the lower end of the cylinder body is hermetically assembled with a lower cover; the air inlet is arranged in the center of the upper cover and correspondingly communicated with the diaphragm chamber, exhaled air enters from the upper end of the diaphragm chamber and enters the vertical chamber through the circulation hole, the air outlet is arranged at the eccentric position of the upper cover, and the air outlet is correspondingly communicated with the vertical chamber.
As a preferred scheme of the utility model, at least one spiral plate is hermetically arranged between the peripheral wall of the diaphragm chamber and the inner wall of the cylinder body; the spiral plate is positioned in the vertical cavity; a spiral channel is formed among the diaphragm cabin, the cylinder body, the upper cover, the lower cover and the spiral plate; the carbon dioxide absorbent is located in the spiral channel.
As an optimized proposal of the utility model, the upper end of the spiral channel is communicated with the gas outlet, and the lower end of the spiral channel is communicated with the circulation hole.
As a preferred scheme of the utility model, the spiral plate is provided with two, and two spiral plate symmetries are and crisscross lay in vertical cavity, are formed with two screw channel like this, and corresponding with this, the opening is provided with two sets ofly, and the symmetry is laid on the diaphragm cabin, is located two spiral plate both sides respectively, and is corresponding with two screw channel positions.
As an optimized proposal of the utility model, the spiral plate is close to the joint of the inner wall of the cylinder body and is in arc transition.
As a preferred scheme of the utility model, the height of the intersection of the two spiral plates is H, and the inner diameter of the cylinder body is L, wherein the height is H, and the inner diameter is L1/2.
As a preferred scheme of the utility model, the air inlet department is furnished with the filter screen that admits air of shape adaptation, the filter screen of giving vent to anger of shape adaptation is furnished with in air outlet department, the micropore of filter screen and the filter screen of giving vent to anger can block and filter the carbon dioxide absorbent and let gaseous circulation smoothly.
As an optimized scheme of the utility model, the filter screen that admits air all adopts the PP orifice plate with the filter screen of giving vent to anger, and the micropore aperture on the PP orifice plate is no longer than 0.5 mm.
As a preferred scheme of the utility model, the bottom of the lower cover is provided with a holding handle.
As an optimized scheme of the utility model, casing upper portion is provided with connecting sleeve, and connecting sleeve outer wall and casing circular arc transition, connecting sleeve inner wall or outer wall are provided with the screw thread that matches with anesthesia machine carbon dioxide absorption jar bayonet socket.
The utility model has the advantages that:
1. the utility model has simple and compact structure, lower cost, simple and convenient assembly and convenient use, can reduce environmental pollution, avoid influencing the health of anaesthetists and patients, and increase the safety of the anaesthesia machine when mechanical ventilation is implemented;
2. the spiral channel structure formed by the spiral plates is adopted to guide the airflow, so that the space utilization rate of the interior of the carbon dioxide absorption tank is greatly improved, the path, time and contact area of the gas passing through the carbon dioxide absorbent are increased, the integral volume of the device is reduced, and the device is suitable for being used in various occasions;
3. the utility model discloses two spiral plate cross section's among the helical passage height is H, and the internal diameter of barrel is L, wherein, highly be 1/2 that the internal diameter is L for H, adopt above-mentioned technical scheme for the air current is when circulating from the top down through vertical cavity, through the upper and lower end production air pressure difference on vertical cavity, make the air current pass through the smooth process carbon dioxide absorbent of the spiral plate of device inside, carbon dioxide among the patient's exhalation is absorbed by the carbon dioxide absorbent at the circulation in-process, fully decomposed gas.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
fig. 2 is a plan view of embodiment 1 of the present invention;
fig. 3 is a sectional view taken along line a-a of embodiment 1 of the present invention;
fig. 4 is a schematic structural view of a spiral plate according to embodiment 1 of the present invention;
fig. 5 is a schematic structural diagram of embodiment 2 of the present invention;
fig. 6 is a side view of embodiment 2 of the present invention;
fig. 7 is a B-B sectional view of embodiment 2 of the present invention;
the drawing has the reference numbers of a shell 1, an air inlet 2, an air outlet 3, a diaphragm chamber 4, a vertical chamber 5, a flow hole 6, an upper cover 7, a lower cover 8, an arc transition 9, a cylinder 10, a spiral plate 11, a spiral channel 12, H13, L14, an air inlet filter screen 15, an air outlet filter screen 16, a holding handle 17, a connecting sleeve 18 and a thread 19.
Detailed Description
The following describes embodiments of the present invention in detail with reference to the accompanying drawings.
Example 1: as shown in fig. 1 to 4, a carbon dioxide absorption tank comprises a housing 1, and an air inlet 2 and an air outlet 3 on the housing 1; a diaphragm cabin 4 is arranged in the shell 1, the inner cavity space of the shell 1 is divided into independent vertical chambers 5 through the diaphragm cabin 4, and carbon dioxide absorbents are filled in the vertical chambers 5; at least one group of circulation holes 6 are arranged at the bottom of the diaphragm chamber 4, and the shell 1 comprises a cylinder body 10 with an opening at the upper end and the lower end; an upper cover 7 is hermetically assembled at the upper end opening of the cylinder body 10, and a lower cover 8 is hermetically assembled at the lower end opening of the cylinder body 10; the air inlet 2 is arranged in the center of the upper cover 7, the air inlet 2 is correspondingly communicated with the diaphragm chamber 4, exhaled air enters from the upper end of the diaphragm chamber 4 and enters the vertical chamber 5 through the circulation hole 6, the air outlet 3 is arranged at the eccentric position of the upper cover 7, and the air outlet 3 is correspondingly communicated with the vertical chamber; the utility model discloses simple structure is compact, and the cost is lower, and the equipment is simple and convenient, and convenient to use can reduce environmental pollution, avoids influencing anesthesia doctor and patient's health, has increased the security when anesthesia machine implements mechanical ventilation.
In this embodiment 1, circular shape air inlet filter screen 15 (shown in fig. 2) of shape adaptation is assembled to air inlet 2, fan-shaped air outlet filter screen 16 (shown in fig. 2) of shape adaptation is assembled to air outlet 3, air inlet filter screen 15 and the micropore of air outlet filter screen 16 can block and filter the carbon dioxide absorbent and let gas circulate smoothly, can prevent that carbon dioxide absorbent dust from getting into breathing circuit along with the air current. In this embodiment 1, the air inlet filter screen 15 and the air outlet filter screen 16 both adopt PP pore plates, and the pore diameter of the micropores on the PP pore plates is not more than 0.5 mm.
At least one spiral plate 11 is hermetically arranged between the outer peripheral wall of the diaphragm chamber 4 and the inner wall of the cylinder 10; the spiral plate 11 is positioned in the vertical chamber 5; a spiral channel 12 is formed among the diaphragm chamber 4, the cylinder 10, the upper cover 7, the lower cover 8 and the spiral plate 11; the carbon dioxide absorbent is positioned in the spiral channel 12; the spiral channel structure formed by the spiral plate guides the airflow, greatly improves the space utilization rate inside the carbon dioxide absorption tank, increases the distance, time and contact area of the gas passing through the carbon dioxide absorbent, reduces the whole volume of the device, and is suitable for being used in various occasions.
The upper end of the spiral passage 12 is communicated with the air outlet 3, and the lower end of the spiral passage 12 is communicated with the circulation hole 6; when the expired air (containing carbon dioxide) of the patient enters the air inlet pipe from the expired air inlet of the patient, the path, the time and the contact area of the expired air passing through the carbon dioxide absorbent are increased while the whole volume of the device is reduced when the expired air (containing carbon dioxide) of the patient passes through the spiral channel 12.
Two spiral plates 11 are arranged, the two spiral plates 11 are symmetrically and alternately arranged in the vertical chamber 5, so that two spiral channels 12 are formed, and correspondingly, two groups of circulation holes 6 are arranged, symmetrically arranged on the diaphragm cabin 4, respectively positioned at two sides of the two spiral plates 11 and corresponding to the two spiral channels 12; in the embodiment 1, the double spiral channel 12 is adopted, so that when the airflow circulates from top to bottom through the vertical chamber, the airflow can smoothly pass through the carbon dioxide absorbent through the spiral plates in the device by generating air pressure difference at the upper end and the lower end of the vertical chamber,
the spiral plate 11 is close to the connection position of the inner wall of the cylinder body 10 and is in arc transition 9, so that a spiral channel 12 for placing the carbon dioxide absorbent does not generate dead angles, the comprehensive performance of the carbon dioxide absorption tank is improved, the economic efficiency is high, the cost is saved, and the stress concentration at the tip end of the spiral plate 11 can be prevented.
The height of the intersection of the two spiral plates 11 is H13, the inner diameter of the cylinder body 10 is L14, the height of the intersection of the two spiral plates is H13 is 1/2 with the inner diameter of L14, and the height of the intersection of the two spiral plates is 1/2 with the inner diameter of L.
A connecting sleeve 18 is arranged at the upper part of the shell 1, the outer wall of the connecting sleeve 18 is in arc transition with the shell 1, and the inner wall of the connecting sleeve 18 is provided with a thread 19 matched with a bayonet of a carbon dioxide absorption tank of the anesthesia machine; the sealing and communicating effect is achieved through the matched threads 19 and the cushion sealing ring arranged on the inner ring of the contact surface.
When the anesthesia machine is installed and used, a carbon dioxide absorbent is filled in a carbon dioxide absorption tank, then the absorption tank is installed at the corresponding position of the anesthesia machine, an air inlet 2 of the carbon dioxide absorption tank is communicated with an air inlet of a patient exhaling the anesthesia machine in a sealing way through an air inlet pipe, and an air outlet 3 of the carbon dioxide absorption tank is communicated with a treated air outlet of the anesthesia machine in a sealing way through an air outlet pipe; the expired gas (containing carbon dioxide) of a patient enters the gas inlet pipe from an expired gas inlet of the patient, firstly enters the diaphragm cabin 4 containing the carbon dioxide absorbent from the gas inlet pipe through the gas inlet 2, flows downwards from the top in the diaphragm cabin 4, then enters the side vertical chamber 5 from the circulation hole 6 on the side wall of the lower part of the diaphragm cabin 4, flows upwards from the bottom in the vertical chamber 5, the carbon dioxide in the expired gas of the patient is absorbed by the carbon dioxide absorbent in the circulation process, the remaining reusable gas is discharged from the gas outlet 3, and the gas outlet enters the breathing loop again from the gas outlet pipe after being treated by the anesthesia machine and is recycled.
Example 2: as shown in fig. 5-7, in this embodiment, in order to facilitate the detachment and installation of the carbon dioxide absorption canister, the bottom of the lower cover 8 is provided with a handle 17, the upper portion of the housing 1 is provided with a connecting sleeve 18, the outer wall of the connecting sleeve 18 is provided with a thread 19 matched with the bayonet of the carbon dioxide absorption canister of the anesthesia machine, and a sealing and communicating effect is achieved by the matched thread 19 and a cushion sealing ring arranged on the outer ring of the contact surface.
Other contents of this embodiment are the same as embodiment 1.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Although the figures are more often referred to by the reference numerals of the housing 1, the air inlet 2, the air outlet 3, the diaphragm chamber 4, the vertical chamber 5, the flow opening 6, the upper cover 7, the lower cover 8, the arc transition 9, the cylinder 10, the spiral plate 11, the spiral passage 12, the H13, the L14, the air intake screen 15, the air outlet screen 16, the grip 17, the connecting sleeve 18, the thread 19, etc., the use of other terms is not excluded.
Claims (5)
1. A carbon dioxide absorption tank is characterized by comprising a shell (1), an air inlet (2) and an air outlet (3) which are positioned on the shell (1), a diaphragm cabin (4) is arranged in the shell (1), the inner cavity space of the shell (1) is divided into an independent vertical chamber (5) through the diaphragm cabin (4), a carbon dioxide absorbent is filled in the vertical chamber (5), at least one group of circulation holes (6) are formed in the bottom of the diaphragm cabin (4), the shell (1) comprises a cylinder body (10) with an upper end and a lower end open, an upper cover (7) is arranged at the upper end of the cylinder body (10) in a sealing mode, a lower cover (8) is arranged at the lower end of the cylinder body (10) in a sealing mode, the air inlet (2) is arranged in the center of the upper cover (7), the air outlet (3) is correspondingly communicated with the diaphragm cabin (4), exhaled air enters the vertical chamber (5) through the upper end of the diaphragm cabin (4) and enters the upper spiral cavity (5) through the circulation holes (6), the air outlet (3) and is arranged in the vertical chamber (5), the spiral cabin (11), the two spiral distribution holes (11) are symmetrically arranged at the position corresponding to the upper end of the upper spiral cabin (10), the two spiral distribution holes (11), the two spiral distribution holes (11) are symmetrically arranged at least one spiral distribution plate (12), the spiral distribution channels (12) and the spiral distribution channels (12), the two spiral distribution channels (11) and the spiral distribution channels (12) are symmetrically arranged at the spiral cover (11), the spiral cover (6), the spiral cover (11), the spiral channel (11), the spiral cover (6), the spiral cover (10), the spiral channel (11) and the spiral channel (11) at the spiral channel (10), the spiral channel (11) at the inner wall (12) at the inner wall (10), the two spiral channel (11) at the inner wall (12) at the inner wall (10) at the inner wall (11).
2. A carbon dioxide absorbing tank according to claim 1, wherein: air inlet (2) department is furnished with air intake filter (15) of shape adaptation, air outlet (3) department is furnished with air outlet filter (16) of shape adaptation, air intake filter (15) and air outlet filter (16)'s micropore can block and filter the carbon dioxide absorbent and let gaseous smooth circulation.
3. A carbon dioxide absorbing tank according to claim 2, wherein: the air inlet filter screen (15) and the air outlet filter screen (16) both adopt PP pore plates, and the aperture of micropores on the PP pore plates is not more than 0.5 mm.
4. A carbon dioxide absorbing tank according to claim 1, wherein: the bottom of the lower cover (8) is provided with a holding handle (17).
5. A carbon dioxide absorbing tank according to claim 1, wherein: the upper part of the shell (1) is provided with a connecting sleeve (18), the outer wall of the connecting sleeve (18) is in arc transition with the shell (1), and the inner wall or the outer wall of the connecting sleeve (18) is provided with a thread (19) matched with a bayonet of a carbon dioxide absorption tank of an anesthesia machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822130552.0U CN211132587U (en) | 2018-12-18 | 2018-12-18 | Carbon dioxide absorption tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822130552.0U CN211132587U (en) | 2018-12-18 | 2018-12-18 | Carbon dioxide absorption tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211132587U true CN211132587U (en) | 2020-07-31 |
Family
ID=71744180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822130552.0U Active CN211132587U (en) | 2018-12-18 | 2018-12-18 | Carbon dioxide absorption tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211132587U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109481817A (en) * | 2018-12-18 | 2019-03-19 | 杭州山友医疗器械有限公司 | A kind of carboloy dioxide canister |
| CN112156316A (en) * | 2020-10-13 | 2021-01-01 | 曼陀罗(乳源)医药制造有限公司 | Carbon dioxide absorber |
-
2018
- 2018-12-18 CN CN201822130552.0U patent/CN211132587U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109481817A (en) * | 2018-12-18 | 2019-03-19 | 杭州山友医疗器械有限公司 | A kind of carboloy dioxide canister |
| CN109481817B (en) * | 2018-12-18 | 2024-03-19 | 杭州山友医疗器械有限公司 | Carbon dioxide absorbing tank |
| CN112156316A (en) * | 2020-10-13 | 2021-01-01 | 曼陀罗(乳源)医药制造有限公司 | Carbon dioxide absorber |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109481817B (en) | Carbon dioxide absorbing tank | |
| CN211132587U (en) | Carbon dioxide absorption tank | |
| CN104740744B (en) | Helical blade type carboloy dioxide canister | |
| CN207913002U (en) | Absorption unit of dioxide carbon and Anesthesia machine | |
| CN104784802B (en) | Carbon dioxide absorbing canister | |
| CN209771066U (en) | conversion type double-layer sodium lime tank device for anesthesia machine | |
| CN211133471U (en) | Anesthesia department is with anesthesia waste gas pump drainage device | |
| CN218047148U (en) | Novel anesthesia waste gas adsorber | |
| CN204563243U (en) | Helical blade type carboloy dioxide canister | |
| CN104511077B (en) | High-efficiency modular carbon-dioxide absorption pot | |
| CN109091737A (en) | A kind of surgical anaesthesia breathing equipment | |
| CN105521571A (en) | Wearable three-cavity negative oxygen ion respiration apparatus | |
| CN203107918U (en) | Anesthesia exhaust gas adsorption filter | |
| CN204619109U (en) | Carboloy dioxide canister | |
| CN219167420U (en) | Carbon dioxide filtering and absorbing tank | |
| CN212699978U (en) | Carbon dioxide absorption tank capable of effectively removing water vapor | |
| CN219539177U (en) | Absorption filter device of anesthesia machine | |
| CN113952564A (en) | Closed loop oxygen suppliment respiratory | |
| KR100770584B1 (en) | System for absorbing carbon dioxide gas used in anesthesia apparatus | |
| CN221513189U (en) | Carbon dioxide absorbing device of anesthesia machine | |
| CN204446903U (en) | High-efficiency module formula carboloy dioxide canister | |
| CN221776011U (en) | Reactant tank integrated structure for circulating type scuba | |
| CN215608498U (en) | Emergency treatment device for emergency department | |
| CN218923484U (en) | Gas circuit structure of anesthesia respirator | |
| CN220842923U (en) | Time-prolonged circulating type scuba |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |